functions.php

   1 <?php
   2
   3 /*      if ($_GET["debug"]) {
   4                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   5         } else {
   6                 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
   7         } */
   8
   9         require_once 'config.php';
  10
  11         if (DB_TYPE == "pgsql") {
  12                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  13         } else {
  14                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  15         }
  16
  17         /**
  18          * Return available translations names.
  19          *
  20          * @access public
  21          * @return array A array of available translations.
  22          */
  23         function get_translations() {
  24                 $tr = array(
  25                                         "auto"  => "Detect automatically",
  26                                         "en_US" => "English",
  27                                         "fr_FR" => "Français",
  28                                         "hu_HU" => "Magyar (Hungarian)",
  29                                         "it_IT" => "Italiano",
  30                                         "ja_JP" => "日本語 (Japanese)",
  31                                         "nb_NO" => "Norwegian bokmål",
  32                                         "ru_RU" => "Русский",
  33                                         "pt_BR" => "Portuguese/Brazil",
  34                                         "zh_CN" => "Simplified Chinese");
  35
  36                 return $tr;
  37         }
  38
  39         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  40                 require_once "accept-to-gettext.php";
  41                 require_once "lib/gettext/gettext.inc";
  42
  43                 function startup_gettext() {
  44
  45                         # Get locale from Accept-Language header
  46                         $lang = al2gt(array_keys(get_translations()), "text/html");
  47
  48                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  49                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  50                         }
  51
  52                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  53                                 $lang = $_COOKIE["ttrss_lang"];
  54                         }
  55
  56                         /* In login action of mobile version */
  57                         if ($_POST["language"] && defined('MOBILE_VERSION')) {
  58                                 $lang = $_POST["language"];
  59                                 $_COOKIE["ttrss_lang"] = $lang;
  60                         }
  61
  62                         if ($lang) {
  63                                 if (defined('LC_MESSAGES')) {
  64                                         _setlocale(LC_MESSAGES, $lang);
  65                                 } else if (defined('LC_ALL')) {
  66                                         _setlocale(LC_ALL, $lang);
  67                                 } else {
  68                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  69                                 }
  70
  71                                 if (defined('MOBILE_VERSION')) {
  72                                         _bindtextdomain("messages", "../locale");
  73                                 } else {
  74                                         _bindtextdomain("messages", "locale");
  75                                 }
  76
  77                                 _textdomain("messages");
  78                                 _bind_textdomain_codeset("messages", "UTF-8");
  79                         }
  80                 }
  81
  82                 startup_gettext();
  83
  84         } else { // If translations are enabled.
  85                 function __($msg) {
  86                         return $msg;
  87                 }
  88                 function startup_gettext() {
  89                         // no-op
  90                         return true;
  91                 }
  92         } // If translations are enabled.
  93
  94         require_once 'db-prefs.php';
  95         require_once 'compat.php';
  96         require_once 'errors.php';
  97         require_once 'version.php';
  98
  99         require_once 'lib/phpmailer/class.phpmailer.php';
 100
 101         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 102         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 103         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
 104
 105         require_once "lib/simplepie/simplepie.inc";
 106         require_once "lib/magpierss/rss_fetch.inc";
 107         require_once 'lib/magpierss/rss_utils.inc';
 108
 109         /**
 110          * Print a timestamped debug message.
 111          *
 112          * @param string $msg The debug message.
 113          * @return void
 114          */
 115         function _debug($msg) {
 116                 $ts = strftime("%H:%M:%S", time());
 117                 if (function_exists('posix_getpid')) {
 118                         $ts = "$ts/" . posix_getpid();
 119                 }
 120                 print "[$ts] $msg\n";
 121         } // function _debug
 122
 123         /**
 124          * Purge a feed old posts.
 125          *
 126          * @param mixed $link A database connection.
 127          * @param mixed $feed_id The id of the purged feed.
 128          * @param mixed $purge_interval Olderness of purged posts.
 129          * @param boolean $debug Set to True to enable the debug. False by default.
 130          * @access public
 131          * @return void
 132          */
 133         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 134
 135                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 136
 137                 $rows = -1;
 138
 139                 $result = db_query($link,
 140                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 141
 142                 $owner_uid = false;
 143
 144                 if (db_num_rows($result) == 1) {
 145                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 146                 }
 147
 148                 if ($purge_interval == -1 || !$purge_interval) {
 149                         if ($owner_uid) {
 150                                 ccache_update($link, $feed_id, $owner_uid);
 151                         }
 152                         return;
 153                 }
 154
 155                 if (!$owner_uid) return;
 156
 157                 if (FORCE_ARTICLE_PURGE == 0) {
 158                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 159                                 $owner_uid, false);
 160                 } else {
 161                         $purge_unread = true;
 162                         $purge_interval = FORCE_ARTICLE_PURGE;
 163                 }
 164
 165                 if (!$purge_unread) $query_limit = " unread = false AND ";
 166
 167                 if (DB_TYPE == "pgsql") {
 168 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 169                                 marked = false AND feed_id = '$feed_id' AND
 170                                 (SELECT date_entered FROM ttrss_entries WHERE
 171                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 172
 173                         $pg_version = get_pgsql_version($link);
 174
 175                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 176
 177                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 178                                         ttrss_entries.id = ref_id AND
 179                                         marked = false AND
 180                                         feed_id = '$feed_id' AND
 181                                         $query_limit
 182                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 183
 184                         } else {
 185
 186                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 187                                         USING ttrss_entries
 188                                         WHERE ttrss_entries.id = ref_id AND
 189                                         marked = false AND
 190                                         feed_id = '$feed_id' AND
 191                                         $query_limit
 192                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 193                         }
 194
 195                         $rows = pg_affected_rows($result);
 196
 197                 } else {
 198
 199 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 200                                 marked = false AND feed_id = '$feed_id' AND
 201                                 (SELECT date_entered FROM ttrss_entries WHERE
 202                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 203
 204                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 205                                 USING ttrss_user_entries, ttrss_entries
 206                                 WHERE ttrss_entries.id = ref_id AND
 207                                 marked = false AND
 208                                 feed_id = '$feed_id' AND
 209                                 $query_limit
 210                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 211
 212                         $rows = mysql_affected_rows($link);
 213
 214                 }
 215
 216                 ccache_update($link, $feed_id, $owner_uid);
 217
 218                 if ($debug) {
 219                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 220                 }
 221         } // function purge_feed
 222
 223         /**
 224          * Purge old posts from old feeds.
 225          *
 226          * @param mixed $link A database connection
 227          * @param boolean $do_output Set to true to enable printed output, false by default.
 228          * @param integer $limit The maximal number of removed posts.
 229          * @access public
 230          * @return void
 231          */
 232         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 233
 234                 $random_qpart = sql_random_function();
 235
 236                 if ($limit) {
 237                         $limit_qpart = "LIMIT $limit";
 238                 } else {
 239                         $limit_qpart = "";
 240                 }
 241
 242                 $result = db_query($link,
 243                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 244                                 ORDER BY $random_qpart $limit_qpart");
 245
 246                 while ($line = db_fetch_assoc($result)) {
 247
 248                         $feed_id = $line["id"];
 249                         $purge_interval = $line["purge_interval"];
 250                         $owner_uid = $line["owner_uid"];
 251
 252                         if ($purge_interval == 0) {
 253
 254                                 $tmp_result = db_query($link,
 255                                         "SELECT value FROM ttrss_user_prefs WHERE
 256                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 257
 258                                 if (db_num_rows($tmp_result) != 0) {
 259                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 260                                 }
 261                         }
 262
 263                         if ($do_output) {
 264 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 265                         }
 266
 267                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 268                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 269                         }
 270                 }
 271
 272                 // purge orphaned posts in main content table
 273                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 274                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 275
 276                 if ($do_output) {
 277                         $rows = db_affected_rows($link, $result);
 278                         _debug("Purged $rows orphaned posts.");
 279                 }
 280
 281         } // function global_purge_old_posts
 282
 283         function feed_purge_interval($link, $feed_id) {
 284
 285                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 286                         WHERE id = '$feed_id'");
 287
 288                 if (db_num_rows($result) == 1) {
 289                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 290                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 291
 292                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 293                                 'PURGE_OLD_DAYS', $owner_uid);
 294
 295                         return $purge_interval;
 296
 297                 } else {
 298                         return -1;
 299                 }
 300         }
 301
 302         function purge_old_posts($link) {
 303
 304                 $user_id = $_SESSION["uid"];
 305
 306                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 307                         WHERE owner_uid = '$user_id'");
 308
 309                 while ($line = db_fetch_assoc($result)) {
 310
 311                         $feed_id = $line["id"];
 312                         $purge_interval = $line["purge_interval"];
 313
 314                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 315
 316                         if ($purge_interval > 0) {
 317                                 purge_feed($link, $feed_id, $purge_interval);
 318                         }
 319                 }
 320
 321                 purge_orphans($link);
 322         }
 323
 324         function purge_orphans($link) {
 325                 // purge orphaned posts in main content table
 326                 db_query($link, "DELETE FROM ttrss_entries WHERE
 327                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 328         }
 329
 330         function get_feed_update_interval($link, $feed_id) {
 331                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 332                         ttrss_feeds WHERE id = '$feed_id'");
 333
 334                 if (db_num_rows($result) == 1) {
 335                         $update_interval = db_fetch_result($result, 0, "update_interval");
 336                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 337
 338                         if ($update_interval != 0) {
 339                                 return $update_interval;
 340                         } else {
 341                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 342                         }
 343
 344                 } else {
 345                         return -1;
 346                 }
 347         }
 348
 349         function fetch_file_contents($url) {
 350                 if (USE_CURL_FOR_ICONS) {
 351                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
 352
 353                         $ch = curl_init($url);
 354                         $fp = fopen($tmpfile, "w");
 355
 356                         if ($fp) {
 357                                 curl_setopt($ch, CURLOPT_FILE, $fp);
 358                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 359                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 360                                 curl_exec($ch);
 361                                 curl_close($ch);
 362                                 fclose($fp);
 363                         }
 364
 365                         $contents =  file_get_contents($tmpfile);
 366                         unlink($tmpfile);
 367
 368                         return $contents;
 369
 370                 } else {
 371                         return file_get_contents($url);
 372                 }
 373
 374         }
 375
 376         /**
 377          * Try to determine the favicon URL for a feed.
 378          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 379          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 380          *
 381          * @param string $url A feed or page URL
 382          * @access public
 383          * @return mixed The favicon URL, or false if none was found.
 384          */
 385         function get_favicon_url($url) {
 386
 387                 if ($html = @fetch_file_contents($url)) {
 388
 389                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 390                                 // Attempt to grab a favicon link from their webpage url
 391                                 $linkUrl = html_entity_decode($matches[1]);
 392
 393                                 if (substr($linkUrl, 0, 1) == '/') {
 394                                         $urlParts = parse_url($url);
 395                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 396                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 397                                         $faviconURL = $linkUrl;
 398                                 } else if (substr($url, -1, 1) == '/') {
 399                                         $faviconURL = $url.$linkUrl;
 400                                 } else {
 401                                         $faviconURL = $url.'/'.$linkUrl;
 402                                 }
 403
 404                         } else {
 405                                 // If unsuccessful, attempt to "guess" the favicon location
 406                                 $urlParts = parse_url($url);
 407                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 408                         }
 409                 }
 410
 411                 // Run a test to see if what we have attempted to get actually exists.
 412                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 413                         return $faviconURL;
 414                 } else {
 415                         return false;
 416                 }
 417         } // function get_favicon_url
 418
 419         /**
 420          * Check if a link is a valid and working URL.
 421          *
 422          * @param mixed $link A URL to check
 423          * @access public
 424          * @return boolean True if the URL is valid, false otherwise.
 425          */
 426         function url_validate($link) {
 427
 428                 $url_parts = @parse_url($link);
 429
 430                 if ( empty( $url_parts["host"] ) )
 431                                 return false;
 432
 433                 if ( !empty( $url_parts["path"] ) ) {
 434                                 $documentpath = $url_parts["path"];
 435                 } else {
 436                                 $documentpath = "/";
 437                 }
 438
 439                 if ( !empty( $url_parts["query"] ) )
 440                                 $documentpath .= "?" . $url_parts["query"];
 441
 442                 $host = $url_parts["host"];
 443                 $port = $url_parts["port"];
 444
 445                 if ( empty($port) )
 446                                 $port = "80";
 447
 448                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 449
 450                 if ( !$socket )
 451                                 return false;
 452
 453                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 454
 455                 $http_response = fgets( $socket, 22 );
 456
 457                 $responses = "/(200 OK)|(30[0-9] Moved)/";
 458                 if ( preg_match($responses, $http_response) ) {
 459                                 fclose($socket);
 460                                 return true;
 461                 } else {
 462                                 return false;
 463                 }
 464
 465         } // function url_validate
 466
 467         function check_feed_favicon($site_url, $feed, $link) {
 468                 $favicon_url = get_favicon_url($site_url);
 469
 470 #               print "FAVICON [$site_url]: $favicon_url\n";
 471
 472                 error_reporting(0);
 473
 474                 $icon_file = ICONS_DIR . "/$feed.ico";
 475
 476                 if ($favicon_url && !file_exists($icon_file)) {
 477                         $contents = fetch_file_contents($favicon_url);
 478
 479                         $fp = fopen($icon_file, "w");
 480
 481                         if ($fp) {
 482                                 fwrite($fp, $contents);
 483                                 fclose($fp);
 484                                 chmod($icon_file, 0644);
 485                         }
 486                 }
 487
 488                 error_reporting(DEFAULT_ERROR_LEVEL);
 489
 490         }
 491
 492         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 493
 494                 if (!$_GET["daemon"] && !$ignore_daemon) {
 495                         return false;
 496                 }
 497
 498                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 499                         _debug("update_rss_feed: start");
 500                 }
 501
 502                 if (!$ignore_daemon) {
 503
 504                         if (DB_TYPE == "pgsql") {
 505                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 506                                 } else {
 507                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 508                                 }
 509
 510                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 511                                 auth_pass,cache_images,update_method
 512                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 513
 514                 } else {
 515
 516                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 517                                 auth_pass,cache_images,update_method,hidden,last_updated
 518                                 FROM ttrss_feeds WHERE id = '$feed'");
 519
 520                 }
 521
 522                 if (db_num_rows($result) == 0) {
 523                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 524                                 _debug("update_rss_feed: feed $feed [$feed_url] NOT FOUND/SKIPPED");
 525                         }
 526                         return false;
 527                 }
 528
 529                 $hidden = sql_bool_to_bool(db_fetch_result($result, 0, "hidden"));
 530                 $update_method = db_fetch_result($result, 0, "update_method");
 531                 $last_updated = db_fetch_result($result, 0, "last_updated");
 532
 533                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 534                         WHERE id = '$feed'");
 535
 536                 $auth_login = db_fetch_result($result, 0, "auth_login");
 537                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 538
 539                 if (ALLOW_SELECT_UPDATE_METHOD) {
 540                         if (ENABLE_SIMPLEPIE) {
 541                                 $use_simplepie = $update_method != 1;
 542                         } else {
 543                                 $use_simplepie = $update_method == 2;
 544                         }
 545                 } else {
 546                         $use_simplepie = ENABLE_SIMPLEPIE;
 547                 }
 548
 549                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 550                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 551                 }
 552
 553                 if (!$use_simplepie) {
 554                         $auth_login = urlencode($auth_login);
 555                         $auth_pass = urlencode($auth_pass);
 556                 }
 557
 558                 $update_interval = db_fetch_result($result, 0, "update_interval");
 559                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 560
 561                 if ($update_interval < 0) { return; }
 562
 563                 $feed = db_escape_string($feed);
 564
 565                 $fetch_url = $feed_url;
 566
 567                 if ($auth_login && $auth_pass) {
 568                         $url_parts = array();
 569                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 570
 571                         if ($url_parts[1] && $url_parts[2]) {
 572                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 573                         }
 574
 575                 }
 576
 577                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 578                         _debug("update_rss_feed: fetching [$fetch_url]...");
 579                 }
 580
 581                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_GET['xdebug']) {
 582                         error_reporting(0);
 583                 }
 584
 585                 if (!$use_simplepie) {
 586                         $rss = fetch_rss($fetch_url);
 587                 } else {
 588                         if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 589                                 mkdir(SIMPLEPIE_CACHE_DIR);
 590                         }
 591
 592                         $rss = new SimplePie();
 593                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 594 #                       $rss->set_timeout(10);
 595                         $rss->set_feed_url($fetch_url);
 596                         $rss->set_output_encoding('UTF-8');
 597
 598                         if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 599                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 600                                         _debug("enabling image cache");
 601                                 }
 602
 603                                 $rss->set_image_handler('./image.php', 'i');
 604                         }
 605
 606                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 607                                 _debug("feed update interval (sec): " .
 608                                         get_feed_update_interval($link, $feed)*60);
 609                         }
 610
 611                         if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 612                                 $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 613                                 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 614                         }
 615
 616                         $rss->init();
 617                 }
 618
 619 //              print_r($rss);
 620
 621                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 622                         _debug("update_rss_feed: fetch done, parsing...");
 623                 } else {
 624                         error_reporting (DEFAULT_ERROR_LEVEL);
 625                 }
 626
 627                 $feed = db_escape_string($feed);
 628
 629                 if ($use_simplepie) {
 630                         $fetch_ok = !$rss->error();
 631                 } else {
 632                         $fetch_ok = !!$rss;
 633                 }
 634
 635                 if ($fetch_ok) {
 636
 637                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 638                                 _debug("update_rss_feed: processing feed data...");
 639                         }
 640
 641 //                      db_query($link, "BEGIN");
 642
 643                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 644                                 FROM ttrss_feeds WHERE id = '$feed'");
 645
 646                         $registered_title = db_fetch_result($result, 0, "title");
 647                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 648                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 649
 650                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 651
 652                         if ($use_simplepie) {
 653                                 $site_url = $rss->get_link();
 654                         } else {
 655                                 $site_url = $rss->channel["link"];
 656                         }
 657
 658                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 659                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 660                                         _debug("update_rss_feed: checking favicon...");
 661                                 }
 662
 663                                 check_feed_favicon($site_url, $feed, $link);
 664                         }
 665
 666                         if (!$registered_title || $registered_title == "[Unknown]") {
 667
 668                                 if ($use_simplepie) {
 669                                         $feed_title = db_escape_string($rss->get_title());
 670                                 } else {
 671                                         $feed_title = db_escape_string($rss->channel["title"]);
 672                                 }
 673
 674                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 675                                         _debug("update_rss_feed: registering title: $feed_title");
 676                                 }
 677
 678                                 db_query($link, "UPDATE ttrss_feeds SET
 679                                         title = '$feed_title' WHERE id = '$feed'");
 680                         }
 681
 682                         // weird, weird Magpie
 683                         if (!$use_simplepie) {
 684                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 685                         }
 686
 687                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 688                                 db_query($link, "UPDATE ttrss_feeds SET
 689                                         site_url = '$site_url' WHERE id = '$feed'");
 690                         }
 691
 692 //                      print "I: " . $rss->channel["image"]["url"];
 693
 694                         if (!$use_simplepie) {
 695                                 $icon_url = $rss->image["url"];
 696                         } else {
 697                                 $icon_url = $rss->get_image_url();
 698                         }
 699
 700                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 701                                 $icon_url = db_escape_string($icon_url);
 702                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 703                         }
 704
 705                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 706                                 _debug("update_rss_feed: loading filters...");
 707                         }
 708
 709                         $filters = load_filters($link, $feed, $owner_uid);
 710
 711                         if ($use_simplepie) {
 712                                 $iterator = $rss->get_items();
 713                         } else {
 714                                 $iterator = $rss->items;
 715                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 716                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 717                         }
 718
 719                         if (!is_array($iterator)) {
 720                                 /* db_query($link, "UPDATE ttrss_feeds
 721                                         SET last_error = 'Parse error: can\'t find any articles.'
 722                                         WHERE id = '$feed'"); */
 723
 724                                 // clear any errors and mark feed as updated if fetched okay
 725                                 // even if it's blank
 726
 727                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 728                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 729                                 }
 730
 731                                 db_query($link, "UPDATE ttrss_feeds
 732                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 733
 734                                 return; // no articles
 735                         }
 736
 737                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 738                                 _debug("update_rss_feed: processing articles...");
 739                         }
 740
 741                         foreach ($iterator as $item) {
 742
 743                                 if ($_GET['xdebug']) {
 744                                         print_r($item);
 745
 746                                 }
 747
 748                                 if ($use_simplepie) {
 749                                         $entry_guid = $item->get_id();
 750                                         if (!$entry_guid) $entry_guid = $item->get_link();
 751                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 752
 753                                 } else {
 754
 755                                         $entry_guid = $item["id"];
 756
 757                                         if (!$entry_guid) $entry_guid = $item["guid"];
 758                                         if (!$entry_guid) $entry_guid = $item["link"];
 759                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 760                                 }
 761
 762                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 763                                         _debug("update_rss_feed: guid $entry_guid");
 764                                 }
 765
 766                                 if (!$entry_guid) continue;
 767
 768                                 $entry_timestamp = "";
 769
 770                                 if ($use_simplepie) {
 771                                         $entry_timestamp = strtotime($item->get_date());
 772                                 } else {
 773                                         $rss_2_date = $item['pubdate'];
 774                                         $rss_1_date = $item['dc']['date'];
 775                                         $atom_date = $item['issued'];
 776                                         if (!$atom_date) $atom_date = $item['updated'];
 777
 778                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 779                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 780                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 781                                 }
 782
 783                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 784                                         $entry_timestamp = time();
 785                                         $no_orig_date = 'true';
 786                                 } else {
 787                                         $no_orig_date = 'false';
 788                                 }
 789
 790                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 791
 792                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 793                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 794                                 }
 795
 796                                 if ($use_simplepie) {
 797                                         $entry_title = $item->get_title();
 798                                 } else {
 799                                         $entry_title = trim(strip_tags($item["title"]));
 800                                 }
 801
 802                                 if ($use_simplepie) {
 803                                         $entry_link = $item->get_link();
 804                                 } else {
 805                                         // strange Magpie workaround
 806                                         $entry_link = $item["link_"];
 807                                         if (!$entry_link) $entry_link = $item["link"];
 808                                 }
 809
 810                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 811                                         _debug("update_rss_feed: title $entry_title");
 812                                 }
 813
 814                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 815
 816                                 $entry_link = strip_tags($entry_link);
 817
 818                                 if ($use_simplepie) {
 819                                         $entry_content = $item->get_content();
 820                                         if (!$entry_content) $entry_content = $item->get_description();
 821                                 } else {
 822                                         $entry_content = $item["content:escaped"];
 823
 824                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 825                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 826                                         if (!$entry_content) $entry_content = $item["content"];
 827
 828                                         // Magpie bugs are getting ridiculous
 829                                         if (trim($entry_content) == "Array") $entry_content = false;
 830
 831                                         if (!$entry_content) $entry_content = $item["atom_content"];
 832                                         if (!$entry_content) $entry_content = $item["summary"];
 833
 834                                         if (!$entry_content ||
 835                                                 strlen($entry_content) < strlen($item["description"])) {
 836                                                         $entry_content = $item["description"];
 837                                         };
 838
 839                                         // WTF
 840                                         if (is_array($entry_content)) {
 841                                                 $entry_content = $entry_content["encoded"];
 842                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 843                                         }
 844                                 }
 845
 846                                 if ($_GET["xdebug"]) {
 847                                         print "update_rss_feed: content: ";
 848                                         print_r(htmlspecialchars($entry_content));
 849                                 }
 850
 851                                 $entry_content_unescaped = $entry_content;
 852
 853                                 if ($use_simplepie) {
 854                                         $entry_comments = strip_tags($item->data["comments"]);
 855                                         if ($item->get_author()) {
 856                                                 $entry_author_item = $item->get_author();
 857                                                 $entry_author = $entry_author_item->get_name();
 858                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 859
 860                                                 $entry_author = db_escape_string($entry_author);
 861                                         }
 862                                 } else {
 863                                         $entry_comments = strip_tags($item["comments"]);
 864
 865                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 866
 867                                         if ($item['author']) {
 868
 869                                                 if (is_array($item['author'])) {
 870
 871                                                         if (!$entry_author) {
 872                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 873                                                         }
 874
 875                                                         if (!$entry_author) {
 876                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 877                                                         }
 878                                                 }
 879
 880                                                 if (!$entry_author) {
 881                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 882                                                 }
 883                                         }
 884                                 }
 885
 886                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 887
 888                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 889                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 890
 891                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 892                                         WHERE guid = '$entry_guid'");
 893
 894                                 $entry_content = db_escape_string($entry_content);
 895
 896                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 897
 898                                 $entry_title = db_escape_string($entry_title);
 899                                 $entry_link = db_escape_string($entry_link);
 900                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 901                                 $entry_author = mb_substr($entry_author, 0, 250);
 902
 903                                 if ($use_simplepie) {
 904                                         $num_comments = 0; #FIXME#
 905                                 } else {
 906                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 907                                 }
 908
 909                                 if (!$num_comments) $num_comments = 0;
 910
 911                                 // parse <category> entries into tags
 912
 913                                 if ($use_simplepie) {
 914
 915                                         $additional_tags = array();
 916                                         $additional_tags_src = $item->get_categories();
 917
 918                                         if (is_array($additional_tags_src)) {
 919                                                 foreach ($additional_tags_src as $tobj) {
 920                                                         array_push($additional_tags, $tobj->get_term());
 921                                                 }
 922                                         }
 923
 924                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 925                                                 _debug("update_rss_feed: category tags:");
 926                                                 print_r($additional_tags);
 927                                         }
 928
 929                                 } else {
 930
 931                                         $t_ctr = $item['category#'];
 932
 933                                         $additional_tags = false;
 934
 935                                         if ($t_ctr == 0) {
 936                                                 $additional_tags = false;
 937                                         } else if ($t_ctr > 0) {
 938                                                 $additional_tags = array($item['category']);
 939
 940                                                 if ($item['category@term']) {
 941                                                         array_push($additional_tags, $item['category@term']);
 942                                                 }
 943
 944                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 945                                                         if ($item["category#$i"]) {
 946                                                                 array_push($additional_tags, $item["category#$i"]);
 947                                                         }
 948
 949                                                         if ($item["category#$i@term"]) {
 950                                                                 array_push($additional_tags, $item["category#$i@term"]);
 951                                                         }
 952                                                 }
 953                                         }
 954
 955                                         // parse <dc:subject> elements
 956
 957                                         $t_ctr = $item['dc']['subject#'];
 958
 959                                         if ($t_ctr > 0) {
 960                                                 $additional_tags = array($item['dc']['subject']);
 961
 962                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 963                                                         if ($item['dc']["subject#$i"]) {
 964                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
 965                                                         }
 966                                                 }
 967                                         }
 968                                 }
 969
 970                                 // enclosures
 971
 972                                 $enclosures = array();
 973
 974                                 if ($use_simplepie) {
 975                                         $encs = $item->get_enclosures();
 976
 977                                         if (is_array($encs)) {
 978                                                 foreach ($encs as $e) {
 979                                                         $e_item = array(
 980                                                                 $e->link, $e->type, $e->length);
 981
 982                                                         array_push($enclosures, $e_item);
 983                                                 }
 984                                         }
 985
 986                                 } else {
 987                                         // <enclosure>
 988
 989                                         $e_ctr = $item['enclosure#'];
 990
 991                                         if ($e_ctr > 0) {
 992                                                 $e_item = array($item['enclosure@url'],
 993                                                         $item['enclosure@type'],
 994                                                         $item['enclosure@length']);
 995
 996                                                 array_push($enclosures, $e_item);
 997
 998                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
 999
1000                                                         if ($item["enclosure#$i@url"]) {
1001                                                                 $e_item = array($item["enclosure#$i@url"],
1002                                                                         $item["enclosure#$i@type"],
1003                                                                         $item["enclosure#$i@length"]);
1004                                                                 array_push($enclosures, $e_item);
1005                                                         }
1006                                                 }
1007                                         }
1008
1009                                         // <media:content>
1010                                         // can there be many of those? yes -fox
1011
1012                                         $m_ctr = $item['media']['content#'];
1013
1014                                         if ($m_ctr > 0) {
1015                                                 $e_item = array($item['media']['content@url'],
1016                                                         $item['media']['content@medium'],
1017                                                         $item['media']['content@length']);
1018
1019                                                 array_push($enclosures, $e_item);
1020
1021                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1022
1023                                                         if ($item["media"]["content#$i@url"]) {
1024                                                                 $e_item = array($item["media"]["content#$i@url"],
1025                                                                         $item["media"]["content#$i@medium"],
1026                                                                         $item["media"]["content#$i@length"]);
1027                                                                 array_push($enclosures, $e_item);
1028                                                         }
1029                                                 }
1030
1031                                         }
1032                                 }
1033
1034                                 # sanitize content
1035
1036                                 $entry_content = sanitize_article_content($entry_content);
1037                                 $entry_title = sanitize_article_content($entry_title);
1038
1039                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1040                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1041                                 }
1042
1043                                 db_query($link, "BEGIN");
1044
1045                                 if (db_num_rows($result) == 0) {
1046
1047                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1048                                                 _debug("update_rss_feed: base guid not found");
1049                                         }
1050
1051                                         // base post entry does not exist, create it
1052
1053                                         $result = db_query($link,
1054                                                 "INSERT INTO ttrss_entries
1055                                                         (title,
1056                                                         guid,
1057                                                         link,
1058                                                         updated,
1059                                                         content,
1060                                                         content_hash,
1061                                                         no_orig_date,
1062                                                         date_entered,
1063                                                         comments,
1064                                                         num_comments,
1065                                                         author)
1066                                                 VALUES
1067                                                         ('$entry_title',
1068                                                         '$entry_guid',
1069                                                         '$entry_link',
1070                                                         '$entry_timestamp_fmt',
1071                                                         '$entry_content',
1072                                                         '$content_hash',
1073                                                         $no_orig_date,
1074                                                         NOW(),
1075                                                         '$entry_comments',
1076                                                         '$num_comments',
1077                                                         '$entry_author')");
1078                                 } else {
1079                                         // we keep encountering the entry in feeds, so we need to
1080                                         // update date_entered column so that we don't get horrible
1081                                         // dupes when the entry gets purged and reinserted again e.g.
1082                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1083
1084                                         $base_entry_id = db_fetch_result($result, 0, "id");
1085
1086                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1087                                                 WHERE id = '$base_entry_id'");
1088                                 }
1089
1090                                 // now it should exist, if not - bad luck then
1091
1092                                 $result = db_query($link, "SELECT
1093                                                 id,content_hash,no_orig_date,title,
1094                                                 ".SUBSTRING_FOR_DATE."(date_entered,1,19) as date_entered,
1095                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1096                                                 num_comments
1097                                         FROM
1098                                                 ttrss_entries
1099                                         WHERE guid = '$entry_guid'");
1100
1101                                 $entry_ref_id = 0;
1102                                 $entry_int_id = 0;
1103
1104                                 if (db_num_rows($result) == 1) {
1105
1106                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1107                                                 _debug("update_rss_feed: base guid found, checking for user record");
1108                                         }
1109
1110                                         // this will be used below in update handler
1111                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1112                                         $orig_title = db_fetch_result($result, 0, "title");
1113                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1114                                         $orig_date_entered = strtotime(db_fetch_result($result,
1115                                                 0, "date_entered"));
1116
1117                                         $ref_id = db_fetch_result($result, 0, "id");
1118                                         $entry_ref_id = $ref_id;
1119
1120                                         // check for user post link to main table
1121
1122                                         // do we allow duplicate posts with same GUID in different feeds?
1123                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1124                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
1125                                         } else {
1126                                                 $dupcheck_qpart = "";
1127                                         }
1128
1129 //                                      error_reporting(0);
1130
1131                                         $article_filters = get_article_filters($filters, $entry_title,
1132                                                         $entry_content, $entry_link, $entry_timestamp);
1133
1134                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1135                                                 _debug("update_rss_feed: article filters: ");
1136                                                 if (count($article_filters) != 0) {
1137                                                         print_r($article_filters);
1138                                                 }
1139                                         }
1140
1141                                         if (find_article_filter($article_filters, "filter")) {
1142                                                 db_query($link, "COMMIT"); // close transaction in progress
1143                                                 continue;
1144                                         }
1145
1146 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1147
1148                                         $score = calculate_article_score($article_filters);
1149
1150                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1151                                                 _debug("update_rss_feed: initial score: $score");
1152                                         }
1153
1154                                         $result = db_query($link,
1155                                                 "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1156                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1157                                                         $dupcheck_qpart");
1158
1159                                         // okay it doesn't exist - create user entry
1160                                         if (db_num_rows($result) == 0) {
1161
1162                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1163                                                         _debug("update_rss_feed: user record not found, creating...");
1164                                                 }
1165
1166                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1167                                                         $unread = 'true';
1168                                                         $last_read_qpart = 'NULL';
1169                                                 } else {
1170                                                         $unread = 'false';
1171                                                         $last_read_qpart = 'NOW()';
1172                                                 }
1173
1174                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1175                                                         $marked = 'true';
1176                                                 } else {
1177                                                         $marked = 'false';
1178                                                 }
1179
1180                                                 if (find_article_filter($article_filters, 'publish')) {
1181                                                         $published = 'true';
1182                                                 } else {
1183                                                         $published = 'false';
1184                                                 }
1185
1186                                                 $result = db_query($link,
1187                                                         "INSERT INTO ttrss_user_entries
1188                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1189                                                                         published, score)
1190                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1191                                                                 $last_read_qpart, $marked, $published, '$score')");
1192
1193                                                 $result = db_query($link,
1194                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1195                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1196                                                                 feed_id = '$feed' LIMIT 1");
1197
1198                                                 if (db_num_rows($result) == 1) {
1199                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1200                                                 }
1201                                         } else {
1202                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1203                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1204                                         }
1205
1206                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1207                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1208                                         }
1209
1210                                         $post_needs_update = false;
1211
1212                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1213                                                 ($content_hash != $orig_content_hash)) {
1214 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1215                                                 $post_needs_update = true;
1216                                         }
1217
1218                                         if (db_escape_string($orig_title) != $entry_title) {
1219                                                 $post_needs_update = true;
1220                                         }
1221
1222                                         if ($orig_num_comments != $num_comments) {
1223                                                 $post_needs_update = true;
1224                                         }
1225
1226 //                                      this doesn't seem to be very reliable
1227 //
1228 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1229 //                                              $post_needs_update = true;
1230 //                                      }
1231
1232                                         // if post needs update, update it and mark all user entries
1233                                         // linking to this post as updated
1234                                         if ($post_needs_update) {
1235
1236                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1237                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1238                                                 }
1239
1240 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1241
1242                                                 db_query($link, "UPDATE ttrss_entries
1243                                                         SET title = '$entry_title', content = '$entry_content',
1244                                                                 content_hash = '$content_hash',
1245                                                                 num_comments = '$num_comments'
1246                                                         WHERE id = '$ref_id'");
1247
1248                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1249                                                         db_query($link, "UPDATE ttrss_user_entries
1250                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1251                                                 } else {
1252                                                         db_query($link, "UPDATE ttrss_user_entries
1253                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1254                                                 }
1255
1256                                         }
1257                                 }
1258
1259                                 db_query($link, "COMMIT");
1260
1261                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1262                                         _debug("update_rss_feed: assigning labels...");
1263                                 }
1264
1265                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1266                                         $owner_uid);
1267
1268                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1269                                         _debug("update_rss_feed: looking for enclosures...");
1270                                 }
1271
1272                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1273                                         print_r($enclosures);
1274                                 }
1275
1276                                 db_query($link, "BEGIN");
1277
1278                                 foreach ($enclosures as $enc) {
1279                                         $enc_url = db_escape_string($enc[0]);
1280                                         $enc_type = db_escape_string($enc[1]);
1281                                         $enc_dur = db_escape_string($enc[2]);
1282
1283                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1284                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1285
1286                                         if (db_num_rows($result) == 0) {
1287                                                 db_query($link, "INSERT INTO ttrss_enclosures
1288                                                         (content_url, content_type, title, duration, post_id) VALUES
1289                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1290                                         }
1291                                 }
1292
1293                                 db_query($link, "COMMIT");
1294
1295                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1296                                         _debug("update_rss_feed: looking for tags...");
1297                                 }
1298
1299                                 /* taaaags */
1300                                 // <a href="..." rel="tag">Xorg</a>, //
1301
1302                                 $entry_tags = null;
1303
1304                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1305                                         $entry_content_unescaped, $entry_tags);
1306
1307 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1308                                 print_r($entry_tags);
1309                                 print "<br/></p>"; */
1310
1311                                 $entry_tags = $entry_tags[1];
1312
1313                                 # check for manual tags
1314
1315                                 $tag_filter = find_article_filter($article_filters, "tag");
1316
1317                                 if ($tag_filter) {
1318
1319                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1320
1321                                         foreach ($manual_tags as $tag) {
1322                                                 if (tag_is_valid($tag)) {
1323                                                         array_push($entry_tags, $tag);
1324                                                 }
1325                                         }
1326                                 }
1327
1328                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1329                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1330
1331                                 if ($additional_tags && is_array($additional_tags)) {
1332                                         foreach ($additional_tags as $tag) {
1333                                                 if (tag_is_valid($tag) &&
1334                                                                 array_search($tag, $boring_tags) === FALSE) {
1335                                                         array_push($entry_tags, $tag);
1336                                                 }
1337                                         }
1338                                 }
1339
1340 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1341
1342                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1343                                         print_r($entry_tags);
1344                                 }
1345
1346                                 if (count($entry_tags) > 0) {
1347
1348                                         db_query($link, "BEGIN");
1349
1350                                                 foreach ($entry_tags as $tag) {
1351
1352                                                         $tag = sanitize_tag($tag);
1353                                                         $tag = db_escape_string($tag);
1354
1355                                                         if (!tag_is_valid($tag)) continue;
1356
1357                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1358                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1359                                                                 owner_uid = '$owner_uid' LIMIT 1");
1360
1361         //                                              print db_fetch_result($result, 0, "id");
1362
1363                                                         if ($result && db_num_rows($result) == 0) {
1364
1365                                                                 db_query($link, "INSERT INTO ttrss_tags
1366                                                                         (owner_uid,tag_name,post_int_id)
1367                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1368                                                         }
1369                                                 }
1370
1371                                         db_query($link, "COMMIT");
1372                                 }
1373
1374                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1375                                         _debug("update_rss_feed: article processed");
1376                                 }
1377                         }
1378
1379                         if (!$last_updated) {
1380                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1381                                         _debug("update_rss_feed: new feed, catching it up...");
1382                                 }
1383                                 catchup_feed($link, $feed, false);
1384                         }
1385
1386                         if (!$hidden) {
1387                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1388                                         _debug("update_rss_feed: updating counters cache...");
1389                                 }
1390
1391                                 // disabled, purge_feed() does that...
1392                                 //ccache_update($link, $feed, $owner_uid);
1393                         }
1394
1395                         purge_feed($link, $feed, 0);
1396
1397                         db_query($link, "UPDATE ttrss_feeds
1398                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1399
1400 //                      db_query($link, "COMMIT");
1401
1402                 } else {
1403
1404                         if ($use_simplepie) {
1405                                 $error_msg = mb_substr($rss->error(), 0, 250);
1406                         } else {
1407                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1408                         }
1409
1410                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1411                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1412                         }
1413
1414                         $error_msg = db_escape_string($error_msg);
1415
1416                         db_query($link,
1417                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1418                                         last_updated = NOW() WHERE id = '$feed'");
1419                 }
1420
1421                 if ($use_simplepie) {
1422                         unset($rss);
1423                 }
1424
1425                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1426                         _debug("update_rss_feed: done");
1427                 }
1428
1429         }
1430
1431         function print_select($id, $default, $values, $attributes = "") {
1432                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1433                 foreach ($values as $v) {
1434                         if ($v == $default)
1435                                 $sel = " selected";
1436                          else
1437                                 $sel = "";
1438
1439                         print "<option$sel>$v</option>";
1440                 }
1441                 print "</select>";
1442         }
1443
1444         function print_select_hash($id, $default, $values, $attributes = "") {
1445                 print "<select name=\"$id\" id='$id' $attributes>";
1446                 foreach (array_keys($values) as $v) {
1447                         if ($v == $default)
1448                                 $sel = 'selected="selected"';
1449                          else
1450                                 $sel = "";
1451
1452                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1453                 }
1454
1455                 print "</select>";
1456         }
1457
1458         function get_article_filters($filters, $title, $content, $link, $timestamp) {
1459                 $matches = array();
1460
1461                 if ($filters["title"]) {
1462                         foreach ($filters["title"] as $filter) {
1463                                 $reg_exp = $filter["reg_exp"];
1464                                 $inverse = $filter["inverse"];
1465                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1466                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1467
1468                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1469                                 }
1470                         }
1471                 }
1472
1473                 if ($filters["content"]) {
1474                         foreach ($filters["content"] as $filter) {
1475                                 $reg_exp = $filter["reg_exp"];
1476                                 $inverse = $filter["inverse"];
1477
1478                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1479                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1480
1481                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1482                                 }
1483                         }
1484                 }
1485
1486                 if ($filters["both"]) {
1487                         foreach ($filters["both"] as $filter) {
1488                                 $reg_exp = $filter["reg_exp"];
1489                                 $inverse = $filter["inverse"];
1490
1491                                 if ($inverse) {
1492                                         if (!preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1493                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1494                                         }
1495                                 } else {
1496                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1497                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1498                                         }
1499                                 }
1500                         }
1501                 }
1502
1503                 if ($filters["link"]) {
1504                         $reg_exp = $filter["reg_exp"];
1505                         foreach ($filters["link"] as $filter) {
1506                                 $reg_exp = $filter["reg_exp"];
1507                                 $inverse = $filter["inverse"];
1508
1509                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1510                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1511
1512                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1513                                 }
1514                         }
1515                 }
1516
1517                 if ($filters["date"]) {
1518                         $reg_exp = $filter["reg_exp"];
1519                         foreach ($filters["date"] as $filter) {
1520                                 $date_modifier = $filter["filter_param"];
1521                                 $inverse = $filter["inverse"];
1522                                 $check_timestamp = strtotime($filter["reg_exp"]);
1523
1524                                 # no-op when timestamp doesn't parse to prevent misfires
1525
1526                                 if ($check_timestamp) {
1527                                         $match_ok = false;
1528
1529                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1530                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1531                                                         $match_ok = true;
1532                                         }
1533
1534                                         if ($inverse) $match_ok = !$match_ok;
1535
1536                                         if ($match_ok) {
1537                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1538                                         }
1539                                 }
1540                         }
1541                 }
1542
1543                 return $matches;
1544         }
1545
1546         function find_article_filter($filters, $filter_name) {
1547                 foreach ($filters as $f) {
1548                         if ($f[0] == $filter_name) {
1549                                 return $f;
1550                         };
1551                 }
1552                 return false;
1553         }
1554
1555         function calculate_article_score($filters) {
1556                 $score = 0;
1557
1558                 foreach ($filters as $f) {
1559                         if ($f[0] == "score") {
1560                                 $score += $f[1];
1561                         };
1562                 }
1563                 return $score;
1564         }
1565
1566         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1567                 foreach ($filters as $f) {
1568                         if ($f[0] == "label") {
1569                                 label_add_article($link, $id, $f[1], $owner_uid);
1570                         };
1571                 }
1572         }
1573
1574         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1575                 $rtl_content = false, $last_updated = false, $last_error = false,
1576                 $fg_content = false, $bg_content = false) {
1577
1578                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1579                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1580                 } else {
1581                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1582                 }
1583
1584                 if ($rtl_content) {
1585                         $rtl_tag = "dir=\"rtl\"";
1586                 } else {
1587                         $rtl_tag = "dir=\"ltr\"";
1588                 }
1589
1590                 $error_notify_msg = "";
1591
1592                 if ($last_error) {
1593                         $link_title = "Error: $last_error ($last_updated)";
1594                         $error_notify_msg = "(Error)";
1595                 } else if ($last_updated) {
1596                         $link_title = "Updated: $last_updated";
1597                 }
1598
1599                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1600                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1601
1602 /*              if ($feed_id < -10) {
1603                         $bg_color = "#00ccff";
1604                         $fg_color = "white";
1605                 }
1606
1607                 if ($fg_color || $bg_color) {
1608                         $color_str = "<div class='labelColorIndicator'
1609                                 style='color : $fg_color; background-color : $bg_color'>l</div>";
1610                 }
1611
1612                 print $color_str; */
1613
1614                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1615                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1616                         print "$feed_icon";
1617                 }
1618
1619                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1620
1621                 if ($unread != 0) {
1622                         $fctr_class = "class=\"feedCtrHasUnread\"";
1623                 } else {
1624                         $fctr_class = "class=\"feedCtrNoUnread\"";
1625                 }
1626
1627                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1628                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1629
1630                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1631                         $total = getFeedArticles($link, $feed_id);
1632                         print "<div class=\"feedExtInfo\">
1633                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1634                 }
1635
1636                 print "</li>";
1637
1638         }
1639
1640         function getmicrotime() {
1641                 list($usec, $sec) = explode(" ",microtime());
1642                 return ((float)$usec + (float)$sec);
1643         }
1644
1645         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1646                 foreach ($values as $v) {
1647
1648                         if ($v == $default)
1649                                 $sel = "checked";
1650                          else
1651                                 $sel = "";
1652
1653                         if ($v == $true_is) {
1654                                 $sel .= " value=\"1\"";
1655                         } else {
1656                                 $sel .= " value=\"0\"";
1657                         }
1658
1659                         print "<input class=\"noborder\"
1660                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1661
1662                 }
1663         }
1664
1665         function initialize_user_prefs($link, $uid) {
1666
1667                 $uid = db_escape_string($uid);
1668
1669                 db_query($link, "BEGIN");
1670
1671                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1672
1673                 $u_result = db_query($link, "SELECT pref_name
1674                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1675
1676                 $active_prefs = array();
1677
1678                 while ($line = db_fetch_assoc($u_result)) {
1679                         array_push($active_prefs, $line["pref_name"]);
1680                 }
1681
1682                 while ($line = db_fetch_assoc($result)) {
1683                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1684 //                              print "adding " . $line["pref_name"] . "<br>";
1685
1686                                 db_query($link, "INSERT INTO ttrss_user_prefs
1687                                         (owner_uid,pref_name,value) VALUES
1688                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1689
1690                         }
1691                 }
1692
1693                 db_query($link, "COMMIT");
1694
1695         }
1696
1697         function lookup_user_id($link, $user) {
1698
1699                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1700                         login = '$login'");
1701
1702                 if (db_num_rows($result) == 1) {
1703                         return db_fetch_result($result, 0, "id");
1704                 } else {
1705                         return false;
1706                 }
1707         }
1708
1709         function http_authenticate_user($link) {
1710
1711                 error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1712
1713                 if (!$_SERVER["PHP_AUTH_USER"]) {
1714
1715                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1716                         header('HTTP/1.0 401 Unauthorized');
1717                         exit;
1718
1719                 } else {
1720                         $auth_result = authenticate_user($link,
1721                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1722
1723                         if (!$auth_result) {
1724                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1725                                 header('HTTP/1.0 401 Unauthorized');
1726                                 exit;
1727                         }
1728                 }
1729
1730                 return true;
1731         }
1732
1733         function authenticate_user($link, $login, $password, $force_auth = false) {
1734
1735                 if (!SINGLE_USER_MODE) {
1736
1737                         $pwd_hash1 = encrypt_password($password);
1738                         $pwd_hash2 = encrypt_password($password, $login);
1739
1740                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1741                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1742
1743                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1744
1745                                 $query = "SELECT id,login,access_level,pwd_hash
1746                     FROM ttrss_users WHERE
1747                                         login = '$login'";
1748
1749                         } else {
1750                                 $query = "SELECT id,login,access_level,pwd_hash
1751                     FROM ttrss_users WHERE
1752                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1753                                                 pwd_hash = '$pwd_hash2')";
1754                         }
1755
1756                         $result = db_query($link, $query);
1757
1758                         if (db_num_rows($result) == 1) {
1759                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1760                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1761                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1762
1763                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1764                                         $_SESSION["uid"]);
1765
1766                                 $user_theme = get_user_theme_path($link);
1767
1768                                 $_SESSION["theme"] = $user_theme;
1769                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1770                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1771
1772                                 initialize_user_prefs($link, $_SESSION["uid"]);
1773
1774                                 return true;
1775                         }
1776
1777                         return false;
1778
1779                 } else {
1780
1781                         $_SESSION["uid"] = 1;
1782                         $_SESSION["name"] = "admin";
1783
1784                         $user_theme = get_user_theme_path($link);
1785
1786                         $_SESSION["theme"] = $user_theme;
1787                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1788
1789                         initialize_user_prefs($link, $_SESSION["uid"]);
1790
1791                         return true;
1792                 }
1793         }
1794
1795         function make_password($length = 8) {
1796
1797                 $password = "";
1798                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1799
1800         $i = 0;
1801
1802                 while ($i < $length) {
1803                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1804
1805                         if (!strstr($password, $char)) {
1806                                 $password .= $char;
1807                                 $i++;
1808                         }
1809                 }
1810                 return $password;
1811         }
1812
1813         // this is called after user is created to initialize default feeds, labels
1814         // or whatever else
1815
1816         // user preferences are checked on every login, not here
1817
1818         function initialize_user($link, $uid) {
1819
1820 /*              db_query($link, "INSERT INTO ttrss_labels2 (owner_uid, caption)
1821                         VALUES ('$uid', 'All Articles')");
1822
1823                 db_query($link, "INSERT INTO ttrss_filters
1824                         (owner_uid, feed_id, filter_type, reg_exp, enabled,
1825                                 action_id, action_param, filter_param)
1826                         VALUES ('$uid', NULL, 1, '.', true, 7, 'All Articles', 'before')"); */
1827
1828                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1829                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1830                         'http://tt-rss.org/releases.rss')");
1831
1832                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1833                         values ('$uid', 'Tiny Tiny RSS: Forum',
1834                         'http://tt-rss.org/forum/rss.php')");
1835         }
1836
1837         function logout_user() {
1838                 session_destroy();
1839                 if (isset($_COOKIE[session_name()])) {
1840                    setcookie(session_name(), '', time()-42000, '/');
1841                 }
1842         }
1843
1844         function get_script_urlpath() {
1845                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1846         }
1847
1848         function validate_session($link) {
1849                 if (SINGLE_USER_MODE) {
1850                         return true;
1851                 }
1852
1853                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1854                         if ($_SESSION["ip_address"]) {
1855                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1856                                         $_SESSION["login_error_msg"] = "Session failed to validate (incorrect IP)";
1857                                         return false;
1858                                 }
1859                         }
1860                 }
1861
1862                 if ($_SESSION["uid"]) {
1863
1864                         $result = db_query($link,
1865                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1866
1867                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1868
1869                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1870                                 return false;
1871                         }
1872                 }
1873
1874 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1875
1876                         //print_r($_SESSION);
1877
1878                         if (time() > $_SESSION["cookie_lifetime"]) {
1879                                 return false;
1880                         }
1881                 } */
1882
1883                 return true;
1884         }
1885
1886         function login_sequence($link, $mobile = false) {
1887                 if (!SINGLE_USER_MODE) {
1888
1889                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1890                                 $swu = db_escape_string($_REQUEST["swu"]);
1891                                 if ($swu) {
1892                                         $_SESSION["prefs_cache"] = false;
1893                                         return authenticate_user($link, $swu, null, true);
1894                                 }
1895                         }
1896
1897                         $login_action = $_POST["login_action"];
1898
1899                         # try to authenticate user if called from login form
1900                         if ($login_action == "do_login") {
1901                                 $login = $_POST["login"];
1902                                 $password = $_POST["password"];
1903                                 $remember_me = $_POST["remember_me"];
1904
1905                                 if (authenticate_user($link, $login, $password)) {
1906                                         $_POST["password"] = "";
1907
1908                                         $_SESSION["language"] = $_POST["language"];
1909                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1910
1911                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1912                                         exit;
1913
1914                                         return;
1915                                 } else {
1916                                         $_SESSION["login_error_msg"] = "Incorrect username or password";
1917                                 }
1918                         }
1919
1920                         if (!$_SESSION["uid"] || !validate_session($link)) {
1921                                 //render_login_form($link, $mobile);
1922                                 header("Location: login.php");
1923                                 exit;
1924                         } else {
1925                                 /* bump login timestamp */
1926                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1927                                         $_SESSION["uid"]);
1928
1929                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1930                                         setcookie("ttrss_lang", $_SESSION["language"],
1931                                                 time() + SESSION_COOKIE_LIFETIME);
1932                                 }
1933
1934                                 /* bump counters stamp since we're getting reloaded anyway */
1935
1936                                 $_SESSION["get_all_counters_stamp"] = time();
1937                         }
1938
1939                 } else {
1940                         return authenticate_user($link, "admin", null);
1941                 }
1942         }
1943
1944         function truncate_string($str, $max_len) {
1945                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1946                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1947                 } else {
1948                         return $str;
1949                 }
1950         }
1951
1952         function get_user_theme_path($link) {
1953                 $result = db_query($link, "SELECT theme_path
1954                         FROM
1955                                 ttrss_themes,ttrss_users
1956                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1957                 if (db_num_rows($result) != 0) {
1958                         return db_fetch_result($result, 0, "theme_path");
1959                 } else {
1960                         return null;
1961                 }
1962         }
1963
1964         function smart_date_time($timestamp) {
1965                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1966                         return date("G:i", $timestamp);
1967                 } else if (date("Y", $timestamp) == date("Y")) {
1968                         return date("M d, G:i", $timestamp);
1969                 } else {
1970                         return date("Y/m/d, G:i", $timestamp);
1971                 }
1972         }
1973
1974         function smart_date($timestamp) {
1975                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1976                         return "Today";
1977                 } else if (date("Y", $timestamp) == date("Y")) {
1978                         return date("D m", $timestamp);
1979                 } else {
1980                         return date("Y/m/d", $timestamp);
1981                 }
1982         }
1983
1984         function sql_bool_to_string($s) {
1985                 if ($s == "t" || $s == "1") {
1986                         return "true";
1987                 } else {
1988                         return "false";
1989                 }
1990         }
1991
1992         function sql_bool_to_bool($s) {
1993                 if ($s == "t" || $s == "1") {
1994                         return true;
1995                 } else {
1996                         return false;
1997                 }
1998         }
1999
2000         function bool_to_sql_bool($s) {
2001                 if ($s) {
2002                         return "true";
2003                 } else {
2004                         return "false";
2005                 }
2006         }
2007
2008         function toggleEvenOdd($a) {
2009                 if ($a == "even")
2010                         return "odd";
2011                 else
2012                         return "even";
2013         }
2014
2015         function sanity_check($link) {
2016
2017                 error_reporting(0);
2018
2019                 $error_code = 0;
2020                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2021                 $schema_version = db_fetch_result($result, 0, "schema_version");
2022
2023                 if ($schema_version != SCHEMA_VERSION) {
2024                         $error_code = 5;
2025                 }
2026
2027                 if (DB_TYPE == "mysql") {
2028                         $result = db_query($link, "SELECT true", false);
2029                         if (db_num_rows($result) != 1) {
2030                                 $error_code = 10;
2031                         }
2032                 }
2033
2034                 if (db_escape_string("testTEST") != "testTEST") {
2035                         $error_code = 12;
2036                 }
2037
2038                 error_reporting (DEFAULT_ERROR_LEVEL);
2039
2040                 if ($error_code != 0) {
2041                         print_error_xml($error_code);
2042                         return false;
2043                 } else {
2044                         return true;
2045                 }
2046         }
2047
2048         function file_is_locked($filename) {
2049                 if (function_exists('flock')) {
2050                         error_reporting(0);
2051                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2052                         error_reporting(DEFAULT_ERROR_LEVEL);
2053                         if ($fp) {
2054                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2055                                         flock($fp, LOCK_UN);
2056                                         fclose($fp);
2057                                         return false;
2058                                 }
2059                                 fclose($fp);
2060                                 return true;
2061                         } else {
2062                                 return false;
2063                         }
2064                 }
2065                 return true; // consider the file always locked and skip the test
2066         }
2067
2068         function make_lockfile($filename) {
2069                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2070
2071                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2072                         return $fp;
2073                 } else {
2074                         return false;
2075                 }
2076         }
2077
2078         function make_stampfile($filename) {
2079                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2080
2081                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2082                         fwrite($fp, time() . "\n");
2083                         flock($fp, LOCK_UN);
2084                         fclose($fp);
2085                         return true;
2086                 } else {
2087                         return false;
2088                 }
2089         }
2090
2091         function read_stampfile($filename) {
2092
2093                 error_reporting(0);
2094                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2095                 error_reporting (DEFAULT_ERROR_LEVEL);
2096
2097                 if ($fp) {
2098                         if (flock($fp, LOCK_EX)) {
2099                                 $stamp = fgets($fp);
2100                                 flock($fp, LOCK_UN);
2101                                 fclose($fp);
2102                                 return $stamp;
2103                         } else {
2104                                 return false;
2105                         }
2106                 } else {
2107                         return false;
2108                 }
2109         }
2110
2111         function sql_random_function() {
2112                 if (DB_TYPE == "mysql") {
2113                         return "RAND()";
2114                 } else {
2115                         return "RANDOM()";
2116                 }
2117         }
2118
2119         function catchup_feed($link, $feed, $cat_view) {
2120
2121                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2122
2123                                 if ($cat_view) {
2124
2125                                         if ($feed >= 0) {
2126
2127                                                 if ($feed > 0) {
2128                                                         $cat_qpart = "cat_id = '$feed'";
2129                                                 } else {
2130                                                         $cat_qpart = "cat_id IS NULL";
2131                                                 }
2132
2133                                                 $tmp_result = db_query($link, "SELECT id
2134                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
2135                                                         $_SESSION["uid"]);
2136
2137                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2138
2139                                                         $tmp_feed = $tmp_line["id"];
2140
2141                                                         db_query($link, "UPDATE ttrss_user_entries
2142                                                                 SET unread = false,last_read = NOW()
2143                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
2144                                                 }
2145                                         } else if ($feed == -2) {
2146
2147                                                 /* FIXME catchup for all labels vfeed */
2148                                         }
2149
2150                                 } else if ($feed > 0) {
2151
2152                                         $tmp_result = db_query($link, "SELECT id
2153                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2154                                                 ORDER BY cat_id,title");
2155
2156                                         $parent_ids = array();
2157
2158                                         if (db_num_rows($tmp_result) > 0) {
2159                                                 while ($p = db_fetch_assoc($tmp_result)) {
2160                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2161                                                 }
2162
2163                                                 $children_qpart = implode(" OR ", $parent_ids);
2164
2165                                                 db_query($link, "UPDATE ttrss_user_entries
2166                                                         SET unread = false,last_read = NOW()
2167                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2168                                                         AND owner_uid = " . $_SESSION["uid"]);
2169
2170                                         } else {
2171                                                 db_query($link, "UPDATE ttrss_user_entries
2172                                                         SET unread = false,last_read = NOW()
2173                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2174                                         }
2175
2176                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2177
2178                                         if ($feed == -1) {
2179                                                 db_query($link, "UPDATE ttrss_user_entries
2180                                                         SET unread = false,last_read = NOW()
2181                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
2182                                         }
2183
2184                                         if ($feed == -2) {
2185                                                 db_query($link, "UPDATE ttrss_user_entries
2186                                                         SET unread = false,last_read = NOW()
2187                                                         WHERE published = true AND owner_uid = ".$_SESSION["uid"]);
2188                                         }
2189
2190                                         if ($feed == -3) {
2191
2192                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2193
2194                                                 if (DB_TYPE == "pgsql") {
2195                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2196                                                 } else {
2197                                                         $match_part = "updated > DATE_SUB(NOW(),
2198                                                                 INTERVAL $intl HOUR) ";
2199                                                 }
2200
2201                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2202                                                         ttrss_user_entries WHERE $match_part AND
2203                                                         unread = true AND
2204                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2205                                                         owner_uid = ".$_SESSION["uid"]);
2206
2207                                                 $affected_ids = array();
2208
2209                                                 while ($line = db_fetch_assoc($result)) {
2210                                                         array_push($affected_ids, $line["id"]);
2211                                                 }
2212
2213                                                 catchupArticlesById($link, $affected_ids, 0);
2214                                         }
2215
2216                                         if ($feed == -4) {
2217                                                 db_query($link, "UPDATE ttrss_user_entries
2218                                                         SET unread = false,last_read = NOW()
2219                                                         WHERE owner_uid = ".$_SESSION["uid"]);
2220                                         }
2221
2222                                 } else if ($feed < -10) { // label
2223
2224                                         $label_id = -$feed - 11;
2225
2226                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2227                                                 SET unread = false WHERE label_id = '$label_id' AND unread = true
2228                                                         AND owner_uid = '".$_SESSION["uid"]."' AND ref_id = article_id");
2229
2230                                 }
2231
2232                                 ccache_update($link, $feed, $_SESSION["uid"], $cat_view);
2233
2234                         } else { // tag
2235                                 db_query($link, "BEGIN");
2236
2237                                 $tag_name = db_escape_string($feed);
2238
2239                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2240                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
2241
2242                                 while ($line = db_fetch_assoc($result)) {
2243                                         db_query($link, "UPDATE ttrss_user_entries SET
2244                                                 unread = false, last_read = NOW()
2245                                                 WHERE int_id = " . $line["post_int_id"]);
2246                                 }
2247                                 db_query($link, "COMMIT");
2248                         }
2249         }
2250
2251         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2252                         if ($cat_view) {
2253
2254                                 if ($feed > 0) {
2255                                         $cat_qpart = "cat_id = '$feed'";
2256                                 } else {
2257                                         $cat_qpart = "cat_id IS NULL";
2258                                 }
2259
2260                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
2261                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2262
2263                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2264                                         $feed_url = $tmp_line["feed_url"];
2265                                         $feed_id = $tmp_line["id"];
2266                                         update_rss_feed($link, $feed_url, $feed_id, $force_update);
2267                                 }
2268
2269                         } else {
2270                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
2271                                         WHERE id = '$feed'");
2272                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
2273                                 update_rss_feed($link, $feed_url, $feed, $force_update);
2274                         }
2275         }
2276
2277         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2278
2279                 if (!$omode) $omode = "flc";
2280
2281                 getGlobalCounters($link);
2282
2283                 if (strchr($omode, "l")) getLabelCounters($link);
2284                 if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
2285                 if (strchr($omode, "t")) getTagCounters($link);
2286                 if (strchr($omode, "c")) {
2287                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2288                                 getCategoryCounters($link);
2289                         }
2290                 }
2291         }
2292
2293         function getCategoryCounters($link) {
2294                 # two special categories are -1 and -2 (all virtuals; all labels)
2295
2296 /*              $ctr = getCategoryUnread($link, -1);
2297
2298                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>"; */
2299
2300                 $ctr = getCategoryUnread($link, -2);
2301
2302                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2303
2304                 $age_qpart = getMaxAgeSubquery();
2305
2306                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2307                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2308                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2309                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2310
2311                 while ($line = db_fetch_assoc($result)) {
2312                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
2313
2314                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2315                                 $line["unread"]."\"/>";
2316                 }
2317
2318                 /* Special case: NULL category doesn't actually exist in the DB */
2319
2320                 print "<counter type=\"category\" id=\"0\" counter=\"".
2321                         ccache_find($link, 0, $_SESSION["uid"], true)."\"/>";
2322
2323         }
2324
2325         function getCategoryUnread($link, $cat, $owner_uid = false) {
2326
2327                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2328
2329                 if ($cat >= 0) {
2330
2331                         if ($cat != 0) {
2332                                 $cat_query = "cat_id = '$cat'";
2333                         } else {
2334                                 $cat_query = "cat_id IS NULL";
2335                         }
2336
2337                         $age_qpart = getMaxAgeSubquery();
2338
2339                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2340                                         AND hidden = false
2341                                         AND owner_uid = " . $owner_uid);
2342
2343                         $cat_feeds = array();
2344                         while ($line = db_fetch_assoc($result)) {
2345                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2346                         }
2347
2348                         if (count($cat_feeds) == 0) return 0;
2349
2350                         $match_part = implode(" OR ", $cat_feeds);
2351
2352                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2353                                 FROM ttrss_user_entries,ttrss_entries
2354                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2355                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2356
2357                         $unread = 0;
2358
2359                         # this needs to be rewritten
2360                         while ($line = db_fetch_assoc($result)) {
2361                                 $unread += $line["unread"];
2362                         }
2363
2364                         return $unread;
2365                 } else if ($cat == -1) {
2366                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
2367                 } else if ($cat == -2) {
2368
2369                         $result = db_query($link, "
2370                                 SELECT COUNT(unread) AS unread FROM
2371                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2372                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2373                                         ttrss_labels2.owner_uid = '$owner_uid'
2374                                         AND unread = true AND hidden = false AND feed_id = ttrss_feeds.id
2375                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2376
2377                         $unread = db_fetch_result($result, 0, "unread");
2378
2379                         return $unread;
2380
2381                 }
2382         }
2383
2384         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2385                 if (DB_TYPE == "pgsql") {
2386                         return "ttrss_entries.date_entered >
2387                                 NOW() - INTERVAL '$days days'";
2388                 } else {
2389                         return "ttrss_entries.date_entered >
2390                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2391                 }
2392         }
2393
2394         function getFeedUnread($link, $feed, $is_cat = false) {
2395                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2396         }
2397
2398         function getLabelUnread($link, $label_id, $owner_uid = false) {
2399                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2400
2401                 $result = db_query($link, "
2402                         SELECT COUNT(unread) AS unread FROM
2403                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2404                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2405                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2406                                 AND unread = true AND hidden = false AND feed_id = ttrss_feeds.id
2407                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2408
2409                 if (db_num_rows($result) != 0) {
2410                         return db_fetch_result($result, 0, "unread");
2411                 } else {
2412                         return 0;
2413                 }
2414         }
2415
2416         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2417                 $owner_uid = false) {
2418
2419                 $n_feed = sprintf("%d", $feed);
2420
2421                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2422
2423                 if ($unread_only) {
2424                         $unread_qpart = "unread = true";
2425                 } else {
2426                         $unread_qpart = "true";
2427                 }
2428
2429                 $age_qpart = getMaxAgeSubquery();
2430
2431                 if ($is_cat) {
2432                         return getCategoryUnread($link, $n_feed, $owner_uid);
2433                 } else if ($n_feed == -1) {
2434                         $match_part = "marked = true";
2435                 } else if ($n_feed == -2) {
2436                         $match_part = "published = true";
2437                 } else if ($n_feed == -3) {
2438                         $match_part = "unread = true";
2439
2440                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2441
2442                         if (DB_TYPE == "pgsql") {
2443                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2444                         } else {
2445                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2446                         }
2447                 } else if ($n_feed == -4) {
2448                         $match_part = "true";
2449                 } else if ($n_feed > 0) {
2450
2451                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2452                                         WHERE parent_feed = '$n_feed'
2453                                         AND hidden = false
2454                                         AND owner_uid = " . $owner_uid);
2455
2456                         if (db_num_rows($result) > 0) {
2457
2458                                 $linked_feeds = array();
2459                                 while ($line = db_fetch_assoc($result)) {
2460                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2461                                 }
2462
2463                                 array_push($linked_feeds, "feed_id = $n_feed");
2464
2465                                 $match_part = implode(" OR ", $linked_feeds);
2466
2467                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
2468                                         FROM ttrss_user_entries,ttrss_entries
2469                                         WHERE   $unread_qpart AND
2470                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2471                                         $age_qpart AND
2472                                         ($match_part) AND
2473                                         owner_uid = " . $owner_uid);
2474
2475                                 $unread = 0;
2476
2477                                 # this needs to be rewritten
2478                                 while ($line = db_fetch_assoc($result)) {
2479                                         $unread += $line["unread"];
2480                                 }
2481
2482                                 return $unread;
2483
2484                         } else {
2485                                 $match_part = "feed_id = '$n_feed'";
2486                         }
2487                 } else if ($feed < -10) {
2488
2489                         $label_id = -$feed - 11;
2490
2491                         return getLabelUnread($link, $label_id, $owner_uid);
2492
2493                 }
2494
2495                 if ($match_part) {
2496
2497                         $result = db_query($link, "SELECT count(int_id) AS unread
2498                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
2499                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2500                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2501                                 ttrss_feeds.hidden = false AND
2502                                 $age_qpart AND
2503                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = " . $owner_uid);
2504
2505                 } else {
2506
2507                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2508                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2509                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2510                                 AND $unread_qpart AND $age_qpart AND
2511                                         ttrss_tags.owner_uid = " . $owner_uid);
2512                 }
2513
2514                 $unread = db_fetch_result($result, 0, "unread");
2515
2516                 return $unread;
2517         }
2518
2519         function getGlobalUnread($link, $user_id = false) {
2520
2521                 if (!$user_id) {
2522                         $user_id = $_SESSION["uid"];
2523                 }
2524
2525                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2526                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2527
2528                 $c_id = db_fetch_result($result, 0, "c_id");
2529
2530                 return $c_id;
2531         }
2532
2533         function getGlobalCounters($link, $global_unread = -1) {
2534                 if ($global_unread == -1) {
2535                         $global_unread = getGlobalUnread($link);
2536                 }
2537                 print "<counter type=\"global\" id='global-unread'
2538                         counter='$global_unread'/>";
2539
2540                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2541                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2542
2543                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2544
2545                 print "<counter type=\"global\" id='subscribed-feeds'
2546                         counter='$subscribed_feeds'/>";
2547
2548         }
2549
2550         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2551
2552                 if ($smart_mode) {
2553                         if (!$_SESSION["tctr_last_value"]) {
2554                                 $_SESSION["tctr_last_value"] = array();
2555                         }
2556                 }
2557
2558                 $old_counters = $_SESSION["tctr_last_value"];
2559
2560                 $tctrs_modified = false;
2561
2562                 $age_qpart = getMaxAgeSubquery();
2563
2564                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2565                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2566                                 AND ref_id = id AND $age_qpart
2567                                 AND unread = true)) AS count FROM ttrss_tags
2568                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2569                                 ORDER BY count DESC LIMIT 55");
2570
2571                 $tags = array();
2572
2573                 while ($line = db_fetch_assoc($result)) {
2574                         $tags[$line["tag_name"]] += $line["count"];
2575                 }
2576
2577                 foreach (array_keys($tags) as $tag) {
2578                         $unread = $tags[$tag];
2579
2580                         $tag = htmlspecialchars($tag);
2581
2582                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2583                                 $old_counters[$tag] = $unread;
2584                                 $tctrs_modified = true;
2585                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2586                         }
2587
2588                 }
2589
2590                 if ($smart_mode && $tctrs_modified) {
2591                         $_SESSION["tctr_last_value"] = $old_counters;
2592                 }
2593
2594         }
2595
2596         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2597
2598                 $age_qpart = getMaxAgeSubquery();
2599
2600                 if ($smart_mode) {
2601                         if (!$_SESSION["lctr_last_value"]) {
2602                                 $_SESSION["lctr_last_value"] = array();
2603                         }
2604                 }
2605
2606                 $ret_arr = array();
2607
2608                 for ($i = -1; $i >= -4; $i--) {
2609
2610                         $count = getFeedUnread($link, $i);
2611
2612                         if (!$ret_mode) {
2613
2614                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2615                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $i) . " total)\"";
2616                                 } else {
2617                                         $xmsg_part = "";
2618                                 }
2619
2620                                 print "<counter type=\"label\" id=\"$i\" counter=\"$count\" $xmsg_part/>";
2621                         } else {
2622                                 $ret_arr[$i]["counter"] = $count;
2623                                 $ret_arr[$i]["description"] = getFeedTitle($link, $i);
2624                         }
2625
2626                 }
2627
2628                 $old_counters = $_SESSION["lctr_last_value"];
2629                 $lctrs_modified = false;
2630
2631
2632                         $owner_uid = $_SESSION["uid"];
2633
2634                         $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2635                                 WHERE owner_uid = '$owner_uid'");
2636
2637                         while ($line = db_fetch_assoc($result)) {
2638
2639                                 $id = -$line["id"] - 11;
2640
2641                                 $label_name = $line["caption"];
2642                                 $count = getFeedUnread($link, $id);
2643
2644                                 if (!$smart_mode || $old_counters[$id] != $count) {
2645                                         $old_counters[$id] = $count;
2646                                         $lctrs_modified = true;
2647                                         if (!$ret_mode) {
2648
2649                                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2650                                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2651                                                 } else {
2652                                                         $xmsg_part = "";
2653                                                 }
2654
2655                                                 print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
2656                                         } else {
2657                                                 $ret_arr[$id]["counter"] = $count;
2658                                                 $ret_arr[$id]["description"] = $label_name;
2659                                         }
2660                                 }
2661
2662                                 error_reporting (DEFAULT_ERROR_LEVEL);
2663                         }
2664
2665                 if ($smart_mode && $lctrs_modified) {
2666                         $_SESSION["lctr_last_value"] = $old_counters;
2667                 }
2668
2669                 return $ret_arr;
2670         }
2671
2672         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2673
2674                 $age_qpart = getMaxAgeSubquery();
2675
2676                 if ($smart_mode) {
2677                         if (!$_SESSION["fctr_last_value"]) {
2678                                 $_SESSION["fctr_last_value"] = array();
2679                         }
2680                 }
2681
2682                 $old_counters = $_SESSION["fctr_last_value"];
2683
2684                 $query = "SELECT ttrss_feeds.id,
2685                                 ttrss_feeds.title,
2686                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2687                                 last_error, value AS count
2688                         FROM ttrss_feeds, ttrss_counters_cache
2689                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2690                                 AND parent_feed IS NULL
2691                                 AND ttrss_counters_cache.feed_id = id";
2692
2693                 $result = db_query($link, $query);
2694                 $fctrs_modified = false;
2695
2696                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2697
2698                 while ($line = db_fetch_assoc($result)) {
2699
2700                         $id = $line["id"];
2701                         $count = $line["count"];
2702                         $last_error = htmlspecialchars($line["last_error"]);
2703
2704                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2705                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2706                         } else {
2707                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2708                         }
2709
2710                         $last_updated = htmlspecialchars($last_updated);
2711
2712                         $has_img = feed_has_icon($id);
2713
2714                         $tmp_result = db_query($link,
2715                                 "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
2716                                         WHERE parent_feed = '$id' AND feed_id = id");
2717
2718                         $count += db_fetch_result($tmp_result, 0, "unread");
2719
2720                         if (!$smart_mode || $old_counters[$id] != $count) {
2721                                 $old_counters[$id] = $count;
2722                                 $fctrs_modified = true;
2723
2724                                 if ($last_error) {
2725                                         $error_part = "error=\"$last_error\"";
2726                                 } else {
2727                                         $error_part = "";
2728                                 }
2729
2730                                 if ($has_img) {
2731                                         $has_img_part = "hi=\"$has_img\"";
2732                                 } else {
2733                                         $has_img_part = "";
2734                                 }
2735
2736                                 if ($active_feed && $id == $active_feed) {
2737                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2738                                 } else {
2739                                         $has_title_part = "";
2740                                 }
2741
2742                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2743                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2744                                 }
2745
2746                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
2747                         }
2748                 }
2749
2750                 if ($smart_mode && $fctrs_modified) {
2751                         $_SESSION["fctr_last_value"] = $old_counters;
2752                 }
2753         }
2754
2755         function get_script_dt_add() {
2756 /*              if (strpos(VERSION, ".99") === false) {
2757                         return VERSION;
2758                 } else {
2759                         return time();
2760                 } */
2761                 return time();
2762         }
2763
2764         function get_pgsql_version($link) {
2765                 $result = db_query($link, "SELECT version() AS version");
2766                 $version = split(" ", db_fetch_result($result, 0, "version"));
2767                 return $version[1];
2768         }
2769
2770         function print_error_xml($code, $add_msg = "") {
2771                 global $ERRORS;
2772
2773                 $error_msg = $ERRORS[$code];
2774
2775                 if ($add_msg) {
2776                         $error_msg = "$error_msg; $add_msg";
2777                 }
2778
2779                 print "<rpc-reply>";
2780                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2781                 print "</rpc-reply>";
2782         }
2783
2784         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2785                         $auth_login = '', $auth_pass = '') {
2786
2787                 # check for feed:http://url
2788                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2789
2790                 # check for feed://URL
2791                 if (strpos($feed_link, "//") === 0) {
2792                         $feed_link = "http:$feed_link";
2793                 }
2794
2795                 if ($feed_link == "") return;
2796
2797                 if ($cat_id == "0" || !$cat_id) {
2798                         $cat_qpart = "NULL";
2799                 } else {
2800                         $cat_qpart = "'$cat_id'";
2801                 }
2802
2803                 $result = db_query($link,
2804                         "SELECT id FROM ttrss_feeds
2805                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2806
2807                 if (db_num_rows($result) == 0) {
2808
2809                         $result = db_query($link,
2810                                 "INSERT INTO ttrss_feeds
2811                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2812                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2813                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2814
2815                         $result = db_query($link,
2816                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2817                                         AND owner_uid = " . $_SESSION["uid"]);
2818
2819                         $feed_id = db_fetch_result($result, 0, "id");
2820
2821                         if ($feed_id) {
2822                                 update_rss_feed($link, $feed_link, $feed_id, true);
2823                         }
2824
2825                         return true;
2826                 } else {
2827                         return false;
2828                 }
2829         }
2830
2831         function print_feed_select($link, $id, $default_id = "",
2832                 $attributes = "", $include_all_feeds = true) {
2833
2834                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2835                 if ($include_all_feeds) {
2836                         print "<option value=\"0\">".__('All feeds')."</option>";
2837                 }
2838
2839                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2840                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2841
2842                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2843                         print "<option disabled>--------</option>";
2844                 }
2845
2846                 while ($line = db_fetch_assoc($result)) {
2847                         if ($line["id"] == $default_id) {
2848                                 $is_selected = "selected";
2849                         } else {
2850                                 $is_selected = "";
2851                         }
2852                         printf("<option $is_selected value='%d'>%s</option>",
2853                                 $line["id"], htmlspecialchars($line["title"]));
2854                 }
2855
2856                 print "</select>";
2857         }
2858
2859         function print_feed_cat_select($link, $id, $default_id = "",
2860                 $attributes = "", $include_all_cats = true) {
2861
2862                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2863
2864                 if ($include_all_cats) {
2865                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2866                 }
2867
2868                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2869                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2870
2871                 if (db_num_rows($result) > 0 && $include_all_cats) {
2872                         print "<option disabled>--------</option>";
2873                 }
2874
2875                 while ($line = db_fetch_assoc($result)) {
2876                         if ($line["id"] == $default_id) {
2877                                 $is_selected = "selected";
2878                         } else {
2879                                 $is_selected = "";
2880                         }
2881                         printf("<option $is_selected value='%d'>%s</option>",
2882                                 $line["id"], htmlspecialchars($line["title"]));
2883                 }
2884
2885                 print "</select>";
2886         }
2887
2888         function checkbox_to_sql_bool($val) {
2889                 return ($val == "on") ? "true" : "false";
2890         }
2891
2892         function getFeedCatTitle($link, $id) {
2893                 if ($id == -1) {
2894                         return __("Special");
2895                 } else if ($id < -10) {
2896                         return __("Labels");
2897                 } else if ($id > 0) {
2898                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2899                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2900                                         cat_id = ttrss_feed_categories.id");
2901                         if (db_num_rows($result) == 1) {
2902                                 return db_fetch_result($result, 0, "title");
2903                         } else {
2904                                 return __("Uncategorized");
2905                         }
2906                 } else {
2907                         return "getFeedCatTitle($id) failed";
2908                 }
2909
2910         }
2911
2912         function getFeedTitle($link, $id) {
2913                 if ($id == -1) {
2914                         return __("Starred articles");
2915                 } else if ($id == -2) {
2916                         return __("Published articles");
2917                 } else if ($id == -3) {
2918                         return __("Fresh articles");
2919                 } else if ($id == -4) {
2920                         return __("All articles");
2921                 } else if ($id < -10) {
2922                         $label_id = -$id - 11;
2923                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
2924                         if (db_num_rows($result) == 1) {
2925                                 return db_fetch_result($result, 0, "caption");
2926                         } else {
2927                                 return "Unknown label ($label_id)";
2928                         }
2929
2930                 } else if ($id > 0) {
2931                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2932                         if (db_num_rows($result) == 1) {
2933                                 return db_fetch_result($result, 0, "title");
2934                         } else {
2935                                 return "Unknown feed ($id)";
2936                         }
2937                 } else {
2938                         return "getFeedTitle($id) failed";
2939                 }
2940
2941         }
2942
2943         function get_session_cookie_name() {
2944                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2945         }
2946
2947         function print_init_params($link) {
2948                 print "<init-params>";
2949                 if ($_SESSION["stored-params"]) {
2950                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
2951                                 if ($key) {
2952                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2953                                         print "<param key=\"$key\" value=\"$value\"/>";
2954                                 }
2955                         }
2956                 }
2957
2958                 print "<param key=\"theme\" value=\"".$_SESSION["theme"]."\"/>";
2959                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2960                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2961                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
2962
2963                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
2964                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2965
2966                 print "<param key=\"hide_read_feeds\" value=\"" .
2967                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
2968
2969                 print "<param key=\"enable_feed_cats\" value=\"" .
2970                         (int) get_pref($link, "ENABLE_FEED_CATS") . "\"/>";
2971
2972                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
2973                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
2974
2975                 print "<param key=\"confirm_feed_catchup\" value=\"" .
2976                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
2977
2978                 print "<param key=\"cdm_auto_catchup\" value=\"" .
2979                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
2980
2981                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
2982
2983                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
2984
2985                 print "<param key=\"default_view_mode\" value=\"" .
2986                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
2987
2988                 print "<param key=\"default_view_limit\" value=\"" .
2989                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
2990
2991                 print "<param key=\"default_view_order_by\" value=\"" .
2992                         get_pref($link, "_DEFAULT_VIEW_ORDER_BY") . "\"/>";
2993
2994                 print "<param key=\"prefs_active_tab\" value=\"" .
2995                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
2996
2997                 print "<param key=\"infobox_disable_overlay\" value=\"" .
2998                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
2999
3000                 print "<param key=\"icons_location\" value=\"" .
3001                         ICONS_URL . "\"/>";
3002
3003                 print "<param key=\"hide_read_shows_special\" value=\"" .
3004                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
3005
3006                 print "<param key=\"hide_feedlist\" value=\"" .
3007                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
3008
3009                 print "<param key=\"bw_limit\" value=\"".
3010                         (int) $_SESSION["bw_limit"]."\"/>";
3011
3012 //              print "<param key=\"sync_counters\" value=\"" .
3013 //                      (int) get_pref($link, "SYNC_COUNTERS") . "\"/>";
3014
3015                 print "<param key=\"sync_counters\" value=\"1\"/>";
3016
3017                 print "<param key=\"offline_enabled\" value=\"".
3018                         (int) get_pref($link, "ENABLE_OFFLINE_READING") . "\"/>";
3019
3020                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3021                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3022
3023                 $num_feeds = db_fetch_result($result, 0, "cf");
3024
3025                 print "<param key=\"num_feeds\" value=\"".
3026                         (int)$num_feeds. "\"/>";
3027
3028                 print "</init-params>";
3029         }
3030
3031         function print_runtime_info($link) {
3032                 print "<runtime-info>";
3033
3034                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3035                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3036
3037                 $num_feeds = db_fetch_result($result, 0, "cf");
3038
3039                 print "<param key=\"num_feeds\" value=\"".
3040                         (int)$num_feeds. "\"/>";
3041
3042                 if (ENABLE_UPDATE_DAEMON) {
3043                         print "<param key=\"daemon_is_running\" value=\"".
3044                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
3045
3046                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3047
3048                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3049
3050 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3051
3052                                 if ($stamp) {
3053                                         $stamp_delta = time() - $stamp;
3054
3055                                         if ($stamp_delta > 1800) {
3056                                                 $stamp_check = 0;
3057                                         } else {
3058                                                 $stamp_check = 1;
3059                                                 $_SESSION["daemon_stamp_check"] = time();
3060                                         }
3061
3062                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3063
3064                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3065
3066                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3067                                 }
3068                         }
3069                 }
3070
3071                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3072
3073                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3074                                 $new_version_details = check_for_update($link);
3075
3076                                 print "<param key=\"new_version_available\" value=\"".
3077                                         sprintf("%d", $new_version_details != ""). "\"/>";
3078
3079                                 $_SESSION["last_version_check"] = time();
3080                         }
3081                 }
3082
3083 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3084
3085                 print "</runtime-info>";
3086         }
3087
3088         function getSearchSql($search, $match_on) {
3089
3090                 $search_query_part = "";
3091
3092                 $keywords = split(" ", $search);
3093                 $query_keywords = array();
3094
3095                 if ($match_on == "both") {
3096
3097                         foreach ($keywords as $k) {
3098                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
3099                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3100                         }
3101
3102                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3103
3104                 } else if ($match_on == "title") {
3105
3106                         foreach ($keywords as $k) {
3107                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
3108                         }
3109
3110                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3111
3112                 } else if ($match_on == "content") {
3113
3114                         foreach ($keywords as $k) {
3115                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3116                         }
3117                 }
3118
3119                 $search_query_part = implode("AND", $query_keywords);
3120
3121                 return $search_query_part;
3122         }
3123
3124         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3125
3126                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3127
3128                         if ($search) {
3129
3130                                 $search_query_part = getSearchSql($search, $match_on);
3131                                 $search_query_part .= " AND ";
3132
3133                         } else {
3134                                 $search_query_part = "";
3135                         }
3136
3137                         $view_query_part = "";
3138
3139                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3140                                 if ($search) {
3141                                         $view_query_part = " ";
3142                                 } else if ($feed != -1) {
3143                                         $unread = getFeedUnread($link, $feed, $cat_view);
3144                                         if ($unread > 0) {
3145                                                 $view_query_part = " unread = true AND ";
3146                                         }
3147                                 }
3148                         }
3149
3150                         if ($view_mode == "marked") {
3151                                 $view_query_part = " marked = true AND ";
3152                         }
3153
3154                         if ($view_mode == "unread") {
3155                                 $view_query_part = " unread = true AND ";
3156                         }
3157
3158                         if ($view_mode == "updated") {
3159                                 $view_query_part = " (last_read is null and unread = false) AND ";
3160                         }
3161
3162                         if ($limit > 0) {
3163                                 $limit_query_part = "LIMIT " . $limit;
3164                         }
3165
3166                         $vfeed_query_part = "";
3167
3168                         // override query strategy and enable feed display when searching globally
3169                         if ($search && $search_mode == "all_feeds") {
3170                                 $query_strategy_part = "ttrss_entries.id > 0";
3171                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3172                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3173                                 $query_strategy_part = "ttrss_entries.id > 0";
3174                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3175                                         id = feed_id) as feed_title,";
3176                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
3177
3178                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3179
3180                                 $tmp_result = false;
3181
3182                                 if ($cat_view) {
3183                                         $tmp_result = db_query($link, "SELECT id
3184                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3185                                 } else {
3186                                         $tmp_result = db_query($link, "SELECT id
3187                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3188                                                         WHERE id = '$feed') AND id != '$feed'");
3189                                 }
3190
3191                                 $cat_siblings = array();
3192
3193                                 if (db_num_rows($tmp_result) > 0) {
3194                                         while ($p = db_fetch_assoc($tmp_result)) {
3195                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3196                                         }
3197
3198                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3199                                                 $feed, implode(" OR ", $cat_siblings));
3200
3201                                 } else {
3202                                         $query_strategy_part = "ttrss_entries.id > 0";
3203                                 }
3204
3205                         } else if ($feed >= 0) {
3206
3207                                 if ($cat_view) {
3208
3209                                         if ($feed > 0) {
3210                                                 $query_strategy_part = "cat_id = '$feed'";
3211                                         } else {
3212                                                 $query_strategy_part = "cat_id IS NULL";
3213                                         }
3214
3215                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3216
3217                                 } else {
3218                                         $tmp_result = db_query($link, "SELECT id
3219                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3220                                                 ORDER BY cat_id,title");
3221
3222                                         $parent_ids = array();
3223
3224                                         if (db_num_rows($tmp_result) > 0) {
3225                                                 while ($p = db_fetch_assoc($tmp_result)) {
3226                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3227                                                 }
3228
3229                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3230                                                         $feed, implode(" OR ", $parent_ids));
3231
3232                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3233                                         } else {
3234                                                 $query_strategy_part = "feed_id = '$feed'";
3235                                         }
3236                                 }
3237                         } else if ($feed == -1) { // starred virtual feed
3238                                 $query_strategy_part = "marked = true";
3239                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3240                         } else if ($feed == -2) { // published virtual feed OR labels category
3241
3242                                 if (!$cat_view) {
3243                                         $query_strategy_part = "published = true";
3244                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3245                                 } else {
3246                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3247
3248                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3249
3250                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3251                                                 ttrss_user_labels2.article_id = ref_id";
3252
3253                                 }
3254
3255                         } else if ($feed == -3) { // fresh virtual feed
3256                                 $query_strategy_part = "unread = true";
3257
3258                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3259
3260                                 if (DB_TYPE == "pgsql") {
3261                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3262                                 } else {
3263                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3264                                 }
3265
3266                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3267                         } else if ($feed == -4) { // all articles virtual feed
3268                                 $query_strategy_part = "true";
3269                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3270                         } else if ($feed <= -10) { // labels
3271                                 $label_id = -$feed - 11;
3272
3273                                 $query_strategy_part = "label_id = '$label_id' AND
3274                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3275                                         ttrss_user_labels2.article_id = ref_id";
3276
3277                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3278                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3279
3280                         } else {
3281                                 $query_strategy_part = "id > 0"; // dumb
3282                         }
3283
3284                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3285                                 $order_by = "updated";
3286                         } else {
3287                                 $order_by = "updated DESC";
3288                         }
3289
3290                         if ($view_mode != "noscores") {
3291                                 $order_by = "score DESC, $order_by";
3292                         }
3293
3294                         if ($override_order) {
3295                                 $order_by = $override_order;
3296                         }
3297
3298                         $feed_title = "";
3299
3300                         if ($search && $search_mode == "all_feeds") {
3301                                 $feed_title = __("Search results")." ($search)";
3302                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3303                                 $feed_title = __("Search results")." ($search, $feed)";
3304                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3305                                 $feed_title = $feed;
3306                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
3307
3308                                 if ($cat_view) {
3309
3310                                         if ($feed != 0) {
3311                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
3312                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
3313                                                 $feed_title = db_fetch_result($result, 0, "title");
3314                                         } else {
3315                                                 $feed_title = __("Uncategorized");
3316                                         }
3317
3318                                         if ($search) {
3319                                                 $feed_title = __("Searched for")." $search ($feed_title)";
3320                                         }
3321
3322                                 } else {
3323
3324                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
3325                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
3326
3327                                         $feed_title = db_fetch_result($result, 0, "title");
3328                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
3329                                         $last_error = db_fetch_result($result, 0, "last_error");
3330
3331                                         if ($search) {
3332                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
3333                                         }
3334                                 }
3335
3336                         } else if ($feed == -1) {
3337                                 $feed_title = __("Starred articles");
3338                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3339                         } else if ($feed == -2) {
3340                                 if (!$cat_view) {
3341                                         $feed_title = __("Published articles");
3342                                         if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3343                                 } else {
3344                                         $feed_title = __("Labels");
3345                                 }
3346                         } else if ($feed == -3) {
3347                                 $feed_title = __("Fresh articles");
3348                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3349                         } else if ($feed == -4) {
3350                                 $feed_title = __("All articles");
3351                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3352                         } else if ($feed < -10) {
3353                                 $label_id = -$feed - 11;
3354                                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
3355                                         WHERE id = '$label_id'");
3356                                 $feed_title = db_fetch_result($result, 0, "caption");
3357
3358                                 if ($search) {
3359                                         $feed_title = __("Searched for") . " $search ($feed_title)";
3360                                 }
3361                         } else {
3362                                 $feed_title = "?";
3363                         }
3364
3365                         $content_query_part = "content as content_preview,";
3366
3367                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3368
3369                                 if ($feed >= 0) {
3370                                         $feed_kind = "Feeds";
3371                                 } else {
3372                                         $feed_kind = "Labels";
3373                                 }
3374
3375                                 if ($limit_query_part) {
3376                                         $offset_query_part = "OFFSET $offset";
3377                                 }
3378
3379                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3380                                         if (!$override_order) {
3381                                                 $order_by = "ttrss_feeds.title, $order_by";
3382                                         }
3383
3384                                         // Special output for Fresh feed
3385
3386 /*                                      if ($feed == -3) {
3387                                                 $group_limit_part = "(select count(*) from
3388                                                         ttrss_user_entries AS t1, ttrss_entries AS t2 where
3389                                                                 t1.ref_id = t2.id and t1.owner_uid = 2 and
3390                                                                 t1.feed_id = ttrss_user_entries.feed_id and
3391                                                                 t2.updated > ttrss_entries.updated) <= 5 AND";
3392 } */
3393                                 }
3394
3395                                 $query = "SELECT DISTINCT
3396                                                 guid,
3397                                                 ttrss_entries.id,ttrss_entries.title,
3398                                                 updated,
3399                                                 unread,feed_id,marked,published,link,last_read,
3400                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3401                                                 $vfeed_query_part
3402                                                 $content_query_part
3403                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3404                                                 author,score
3405                                         FROM
3406                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part
3407                                         WHERE
3408                                         $group_limit_part
3409                                         ttrss_feeds.hidden = false AND
3410                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
3411                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3412                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3413                                         $search_query_part
3414                                         $view_query_part
3415                                         $query_strategy_part ORDER BY $order_by
3416                                         $limit_query_part $offset_query_part";
3417
3418                                 if ($_GET["debug"]) print $query;
3419
3420                                 $result = db_query($link, $query);
3421
3422                         } else {
3423                                 // browsing by tag
3424
3425                                 $feed_kind = "Tags";
3426
3427                                 $result = db_query($link, "SELECT
3428                                         guid,
3429                                         ttrss_entries.id as id,title,
3430                                         updated,
3431                                         unread,feed_id,
3432                                         marked,link,last_read,
3433                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3434                                         $vfeed_query_part
3435                                         $content_query_part
3436                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3437                                         score
3438                                         FROM
3439                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3440                                         WHERE
3441                                                 ref_id = ttrss_entries.id AND
3442                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3443                                                 post_int_id = int_id AND tag_name = '$feed' AND
3444                                                 $view_query_part
3445                                                 $search_query_part
3446                                                 $query_strategy_part ORDER BY $order_by
3447                                         $limit_query_part");
3448                         }
3449
3450                         return array($result, $feed_title, $feed_site_url, $last_error);
3451
3452         }
3453
3454         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3455                 $limit, $search, $search_mode, $match_on) {
3456
3457                 if (!$limit) $limit = 30;
3458
3459                 $qfh_ret = queryFeedHeadlines($link, $feed,
3460                         $limit, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3461                         $owner_uid);
3462
3463                 $result = $qfh_ret[0];
3464                 $feed_title = htmlspecialchars($qfh_ret[1]);
3465                 $feed_site_url = $qfh_ret[2];
3466                 $last_error = $qfh_ret[3];
3467
3468 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3469
3470                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3471                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3472                         <rss version=\"2.0\">
3473                         <channel>
3474                         <title>$feed_title</title>
3475                         <link>$feed_site_url</link>
3476                         <description>Feed generated by Tiny Tiny RSS</description>";
3477
3478                 while ($line = db_fetch_assoc($result)) {
3479                         print "<item>";
3480                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3481                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3482
3483                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3484
3485                         foreach ($tags as $tag) {
3486                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3487                         }
3488
3489                         $rfc822_date = date('r', strtotime($line["updated"]));
3490
3491                         print "<pubDate>$rfc822_date</pubDate>";
3492
3493                         print "<title>" .
3494                                 htmlspecialchars($line["title"]) . "</title>";
3495
3496                         print "<description><![CDATA[" .
3497                                 $line["content_preview"] . "]]></description>";
3498
3499                         print "</item>";
3500                 }
3501
3502                 print "</channel></rss>";
3503
3504         }
3505
3506         function getCategoryTitle($link, $cat_id) {
3507
3508                 if ($cat_id == -1) {
3509                         return __("Special");
3510                 } else if ($cat_id == -2) {
3511                         return __("Labels");
3512                 } else {
3513
3514                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3515                                 id = '$cat_id'");
3516
3517                         if (db_num_rows($result) == 1) {
3518                                 return db_fetch_result($result, 0, "title");
3519                         } else {
3520                                 return "Uncategorized";
3521                         }
3522                 }
3523         }
3524
3525         // http://ru2.php.net/strip-tags
3526
3527         function strip_tags_long($textstring, $allowed){
3528         while($textstring != strip_tags($textstring, $allowed))
3529     {
3530     while (strlen($textstring) != 0)
3531          {
3532          if (strlen($textstring) > 1024) {
3533               $otherlen = 1024;
3534          } else {
3535               $otherlen = strlen($textstring);
3536          }
3537          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3538          $safetext .= $temptext;
3539          $textstring = substr_replace($textstring,'',0,$otherlen);
3540          }
3541     $textstring = $safetext;
3542     }
3543         return $textstring;
3544         }
3545
3546
3547         function sanitize_rss($link, $str, $force_strip_tags = false) {
3548                 $res = $str;
3549
3550                 if (get_pref($link, "STRIP_UNSAFE_TAGS") || $force_strip_tags) {
3551
3552                         $res = strip_tags_long($res,
3553                                 "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3554
3555 //                      $res = preg_replace("/\r\n|\n|\r/", "", $res);
3556 //                      $res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");
3557                 }
3558
3559                 if (get_pref($link, "STRIP_IMAGES")) {
3560
3561                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3562
3563                 }
3564
3565                 return $res;
3566         }
3567
3568         /**
3569          * Send by mail a digest of last articles.
3570          *
3571          * @param mixed $link The database connection.
3572          * @param integer $limit The maximum number of articles by digest.
3573          * @return boolean Return false if digests are not enabled.
3574          */
3575         function send_headlines_digests($link, $limit = 100) {
3576
3577                 if (!DIGEST_ENABLE) return false;
3578
3579                 $user_limit = DIGEST_EMAIL_LIMIT;
3580                 $days = 1;
3581
3582                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3583
3584                 if (DB_TYPE == "pgsql") {
3585                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3586                 } else if (DB_TYPE == "mysql") {
3587                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3588                 }
3589
3590                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3591                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3592
3593                 while ($line = db_fetch_assoc($result)) {
3594
3595                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3596                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3597
3598                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3599
3600                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3601                                 $digest = $tuple[0];
3602                                 $headlines_count = $tuple[1];
3603                                 $affected_ids = $tuple[2];
3604                                 $digest_text = $tuple[3];
3605
3606                                 if ($headlines_count > 0) {
3607
3608                                         $mail = new PHPMailer();
3609
3610                                         $mail->PluginDir = "lib/phpmailer/";
3611                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3612
3613                                         $mail->CharSet = "UTF-8";
3614
3615                                         $mail->From = DIGEST_FROM_ADDRESS;
3616                                         $mail->FromName = DIGEST_FROM_NAME;
3617                                         $mail->AddAddress($line["email"], $line["login"]);
3618
3619                                         if (DIGEST_SMTP_HOST) {
3620                                                 $mail->Host = DIGEST_SMTP_HOST;
3621                                                 $mail->Mailer = "smtp";
3622                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3623                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3624                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3625                                         }
3626
3627                                         $mail->IsHTML(true);
3628                                         $mail->Subject = DIGEST_SUBJECT;
3629                                         $mail->Body = $digest;
3630                                         $mail->AltBody = $digest_text;
3631
3632                                         $rc = $mail->Send();
3633
3634                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3635
3636                                         print "RC=$rc\n";
3637
3638                                         if ($rc && $do_catchup) {
3639                                                 print "Marking affected articles as read...\n";
3640                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3641                                         }
3642
3643                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3644                                                         WHERE id = " . $line["id"]);
3645                                 } else {
3646                                         print "No headlines\n";
3647                                 }
3648                         }
3649                 }
3650
3651                 print "All done.\n";
3652
3653         }
3654
3655         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3656
3657                 require_once "lib/MiniTemplator.class.php";
3658
3659                 $tpl = new MiniTemplator;
3660                 $tpl_t = new MiniTemplator;
3661
3662                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3663                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3664
3665                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3666                 $tpl->setVariable('CUR_TIME', date('G:i'));
3667
3668                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3669                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3670
3671                 $affected_ids = array();
3672
3673                 if (DB_TYPE == "pgsql") {
3674                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3675                 } else if (DB_TYPE == "mysql") {
3676                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3677                 }
3678
3679                 $result = db_query($link, "SELECT ttrss_entries.title,
3680                                 ttrss_feeds.title AS feed_title,
3681                                 date_entered,
3682                                 ttrss_user_entries.ref_id,
3683                                 link,
3684                                 SUBSTRING(content, 1, 120) AS excerpt,
3685                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3686                         FROM
3687                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3688                         WHERE
3689                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3690                                 AND include_in_digest = true
3691                                 AND $interval_query
3692                                 AND hidden = false
3693                                 AND ttrss_user_entries.owner_uid = $user_id
3694                                 AND unread = true
3695                         ORDER BY ttrss_feeds.title, date_entered DESC
3696                         LIMIT $limit");
3697
3698                 $cur_feed_title = "";
3699
3700                 $headlines_count = db_num_rows($result);
3701
3702                 $headlines = array();
3703
3704                 while ($line = db_fetch_assoc($result)) {
3705                         array_push($headlines, $line);
3706                 }
3707
3708                 for ($i = 0; $i < sizeof($headlines); $i++) {
3709
3710                         $line = $headlines[$i];
3711
3712                         array_push($affected_ids, $line["ref_id"]);
3713
3714                         $updated = smart_date_time(strtotime($line["last_updated"]));
3715
3716                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3717                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3718                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3719                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3720                         $tpl->setVariable('ARTICLE_EXCERPT',
3721                                 truncate_string(strip_tags($line["excerpt"]), 100));
3722
3723                         $tpl->addBlock('article');
3724
3725                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3726                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3727                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3728                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3729 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3730 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3731
3732                         $tpl_t->addBlock('article');
3733
3734                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3735                                 $tpl->addBlock('feed');
3736                                 $tpl_t->addBlock('feed');
3737                         }
3738
3739                 }
3740
3741                 $tpl->addBlock('digest');
3742                 $tpl->generateOutputToString($tmp);
3743
3744                 $tpl_t->addBlock('digest');
3745                 $tpl_t->generateOutputToString($tmp_t);
3746
3747                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3748         }
3749
3750         function check_for_update($link) {
3751                 $releases_feed = "http://tt-rss.org/releases.rss";
3752
3753                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3754                         return;
3755                 }
3756
3757                 error_reporting(0);
3758                 if (ENABLE_SIMPLEPIE) {
3759                         $rss = new SimplePie();
3760                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3761 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3762                         $rss->set_feed_url($fetch_url);
3763                         $rss->set_output_encoding('UTF-8');
3764                         $rss->init();
3765                 } else {
3766                         $rss = fetch_rss($releases_feed);
3767                 }
3768                 error_reporting (DEFAULT_ERROR_LEVEL);
3769
3770                 if ($rss) {
3771
3772                         if (ENABLE_SIMPLEPIE) {
3773                                 $items = $rss->get_items();
3774                         } else {
3775                                 $items = $rss->items;
3776
3777                                 if (!$items || !is_array($items)) $items = $rss->entries;
3778                                 if (!$items || !is_array($items)) $items = $rss;
3779                         }
3780
3781                         if (!is_array($items) || count($items) == 0) {
3782                                 return;
3783                         }
3784
3785                         $latest_item = $items[0];
3786
3787                         if (ENABLE_SIMPLEPIE) {
3788                                 $last_title = $latest_item->get_title();
3789                         } else {
3790                                 $last_title = $latest_item["title"];
3791                         }
3792
3793                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3794
3795                         if (ENABLE_SIMPLEPIE) {
3796                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3797                                 $content = sanitize_rss($link, $latest_item->get_description());
3798                         } else {
3799                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3800                                 $content = sanitize_rss($link, $latest_item["description"]);
3801                         }
3802
3803                         if (version_compare(VERSION, $latest_version) == -1) {
3804                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
3805                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
3806                         } else {
3807                                 return false;
3808                         }
3809                 }
3810         }
3811
3812         function markArticlesById($link, $ids, $cmode) {
3813
3814                 $tmp_ids = array();
3815
3816                 foreach ($ids as $id) {
3817                         array_push($tmp_ids, "ref_id = '$id'");
3818                 }
3819
3820                 $ids_qpart = join(" OR ", $tmp_ids);
3821
3822                 if ($cmode == 0) {
3823                         db_query($link, "UPDATE ttrss_user_entries SET
3824                         marked = false,last_read = NOW()
3825                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3826                 } else if ($cmode == 1) {
3827                         db_query($link, "UPDATE ttrss_user_entries SET
3828                         marked = true
3829                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3830                 } else {
3831                         db_query($link, "UPDATE ttrss_user_entries SET
3832                         marked = NOT marked,last_read = NOW()
3833                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3834                 }
3835         }
3836
3837         function publishArticlesById($link, $ids, $cmode) {
3838
3839                 $tmp_ids = array();
3840
3841                 foreach ($ids as $id) {
3842                         array_push($tmp_ids, "ref_id = '$id'");
3843                 }
3844
3845                 $ids_qpart = join(" OR ", $tmp_ids);
3846
3847                 if ($cmode == 0) {
3848                         db_query($link, "UPDATE ttrss_user_entries SET
3849                         published = false,last_read = NOW()
3850                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3851                 } else if ($cmode == 1) {
3852                         db_query($link, "UPDATE ttrss_user_entries SET
3853                         published = true
3854                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3855                 } else {
3856                         db_query($link, "UPDATE ttrss_user_entries SET
3857                         published = NOT published,last_read = NOW()
3858                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3859                 }
3860         }
3861
3862         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3863
3864                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3865
3866                 $tmp_ids = array();
3867
3868                 foreach ($ids as $id) {
3869                         array_push($tmp_ids, "ref_id = '$id'");
3870                 }
3871
3872                 $ids_qpart = join(" OR ", $tmp_ids);
3873
3874                 if ($cmode == 0) {
3875                         db_query($link, "UPDATE ttrss_user_entries SET
3876                         unread = false,last_read = NOW()
3877                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3878                 } else if ($cmode == 1) {
3879                         db_query($link, "UPDATE ttrss_user_entries SET
3880                         unread = true
3881                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3882                 } else {
3883                         db_query($link, "UPDATE ttrss_user_entries SET
3884                         unread = NOT unread,last_read = NOW()
3885                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3886                 }
3887
3888                 /* update ccache */
3889
3890                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
3891                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3892
3893                 while ($line = db_fetch_assoc($result)) {
3894                         ccache_update($link, $line["feed_id"], $owner_uid);
3895                 }
3896         }
3897
3898         function catchupArticleById($link, $id, $cmode) {
3899
3900                 if ($cmode == 0) {
3901                         db_query($link, "UPDATE ttrss_user_entries SET
3902                         unread = false,last_read = NOW()
3903                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3904                 } else if ($cmode == 1) {
3905                         db_query($link, "UPDATE ttrss_user_entries SET
3906                         unread = true
3907                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3908                 } else {
3909                         db_query($link, "UPDATE ttrss_user_entries SET
3910                         unread = NOT unread,last_read = NOW()
3911                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3912                 }
3913         }
3914
3915         function make_guid_from_title($title) {
3916                 return preg_replace("/[ \"\',.:;]/", "-",
3917                         mb_strtolower(strip_tags($title), 'utf-8'));
3918         }
3919
3920         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
3921                         $feed_id, $is_cat, $search, $match_on,
3922                         $search_mode) {
3923
3924                         print "<div class=\"headlinesSubToolbar\">";
3925
3926                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
3927                         $page_next_link = "javascript:viewFeedGoPage(1)";
3928                         $page_first_link = "javascript:viewFeedGoPage(0)";
3929
3930                         $catchup_page_link = "javascript:catchupPage()";
3931                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
3932                         $catchup_sel_link = "javascript:catchupSelection()";
3933
3934                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3935
3936                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
3937                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
3938                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
3939                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
3940
3941                                 $tog_unread_link = "javascript:selectionToggleUnread()";
3942                                 $tog_marked_link = "javascript:selectionToggleMarked()";
3943                                 $tog_published_link = "javascript:selectionTogglePublished()";
3944
3945                         } else {
3946
3947                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
3948                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
3949                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
3950
3951                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
3952
3953                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
3954                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
3955                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
3956
3957                         }
3958
3959                         print "<div id=\"subtoolbar_ftitle\">";
3960
3961                         if ($feed_site_url) {
3962                                 if (!$bottom) {
3963                                         $target = "target=\"_blank\"";
3964                                 }
3965                                 print "<a $target href=\"$feed_site_url\">".
3966                                         truncate_string($feed_title,30)."</a>";
3967                         } else {
3968                                 print $feed_title;
3969                         }
3970
3971                         if ($search) {
3972                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
3973                         }
3974
3975                         print "
3976                                 <a target=\"_blank\"
3977                                         href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
3978                                         <img class=\"noborder\"
3979                                                 alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
3980                                                 </a>";
3981
3982                         print "</div>";
3983
3984                         print __('Select:')."
3985                                 <a href=\"$sel_all_link\">".__('All')."</a>,
3986                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3987                                 <a href=\"$sel_inv_link\">".__('Invert')."</a>,
3988                                 <a href=\"$sel_none_link\">".__('None')."</a></li>";
3989
3990                         print "&nbsp;&nbsp;";
3991
3992                         print "<span
3993                                 onmouseover=\"enable_selection(false)\"
3994             onmouseout=\"enable_selection(true)\"
3995                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
3996                                 __("Actions...") . "&nbsp;&nbsp;<img src=\"images/down_arrow.png\">
3997                                 </span>";
3998
3999                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
4000
4001                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4002                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4003                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4004                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4005                                 <!-- <li><span class=\"insensitive\">--------</span></li> -->
4006                                 <li class=\"insensitive\">".__('Mark as read:')."</li>
4007                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Selection')."</li>";
4008
4009                         print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4010                                 "</li>";
4011
4012                         //print "<li><span class=\"insensitive\">--------</span></li>";
4013                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4014
4015                         print_labels_headlines_dropdown($link, $feed_id);
4016
4017                         print "</ul>";
4018
4019                         print "</div>";
4020                 }
4021
4022         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4023
4024                         $tmp_category = getCategoryTitle($link, $cat_id);
4025
4026                         if ($cat_id > 0) {
4027                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4028                         } else if ($cat_id == 0 || $cat_id == -2) {
4029                                 $cat_unread = getCategoryUnread($link, $cat_id);
4030                         }
4031
4032                         if ($hidden) {
4033                                 $holder_style = "display:none;";
4034                                 $ellipsis = "…";
4035                         } else {
4036                                 $holder_style = "";
4037                                 $ellipsis = "";
4038                         }
4039
4040                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4041
4042                         if ($can_browse) {
4043                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4044                                 $inner_title_class = "catTitle";
4045                         } else {
4046                                 $browse_cat_link = "";
4047                                 $inner_title_class = "catTitleNL";
4048                         }
4049
4050                         $cat_class = "feedCat";
4051
4052                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4053                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4054                                         title=\"".__('Click to collapse category')."\"
4055                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\"
4056                                         id=\"FCATN-$cat_id\" $browse_cat_link
4057                                 \">$tmp_category</span>";
4058
4059                         print "<span id=\"FCAP-$cat_id\">";
4060
4061                         print " <span id=\"FCATCTR-$cat_id\"
4062                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4063
4064                         print "</span>";
4065
4066                         //print "</li>";
4067
4068                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4069
4070         }
4071
4072         function outputFeedList($link, $tags = false) {
4073
4074                 print "<ul class=\"feedList\" id=\"feedList\">";
4075
4076                 $owner_uid = $_SESSION["uid"];
4077
4078                 /* virtual feeds */
4079
4080                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4081
4082                         if ($_COOKIE["ttrss_vf_vclps"] == 1) {
4083                                 $cat_hidden = true;
4084                         } else {
4085                                 $cat_hidden = false;
4086                         }
4087
4088                         printCategoryHeader($link, -1, $cat_hidden, false);
4089                 }
4090
4091                 $num_starred = getFeedUnread($link, -1);
4092                 $num_published = getFeedUnread($link, -2);
4093                 $num_fresh = getFeedUnread($link, -3);
4094                 $num_total = getFeedUnread($link, -4);
4095
4096                 $class = "virt";
4097
4098                 if ($num_total > 0) $class .= "Unread";
4099
4100                 printFeedEntry(-4, $class, __("All articles"), $num_total,
4101                         "images/tag.png", $link);
4102
4103                 $class = "virt";
4104
4105                 if ($num_fresh > 0) $class .= "Unread";
4106
4107                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh,
4108                         "images/fresh.png", $link);
4109
4110                 $class = "virt";
4111
4112                 if ($num_starred > 0) $class .= "Unread";
4113
4114                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4115
4116                 if ($is_ie) {
4117                         $mark_img_ext = "gif";
4118                 } else {
4119                         $mark_img_ext = "png";
4120                 }
4121
4122                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
4123                         "images/mark_set.$mark_img_ext", $link);
4124
4125                 $class = "virt";
4126
4127                 if ($num_published > 0) $class .= "Unread";
4128
4129                 printFeedEntry(-2, $class, __("Published articles"), $num_published,
4130                         "images/pub_set.gif", $link);
4131
4132                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4133                         print "</ul></li>";
4134                 }
4135
4136                 if (!$tags) {
4137
4138
4139                                 $result = db_query($link, "SELECT * FROM
4140                                         ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4141
4142                                 if (db_num_rows($result) > 0) {
4143                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4144
4145                                                 if ($_COOKIE["ttrss_vf_lclps"] == 1) {
4146                                                         $cat_hidden = true;
4147                                                 } else {
4148                                                         $cat_hidden = false;
4149                                                 }
4150
4151                                                 printCategoryHeader($link, -2, $cat_hidden, true);
4152
4153                                         } else {
4154                                                 print "<li><hr></li>";
4155                                         }
4156                                 }
4157
4158                                 while ($line = db_fetch_assoc($result)) {
4159
4160                                         $label_id = -$line['id'] - 11;
4161                                         $count = getFeedUnread($link, $label_id);
4162
4163                                         $class = "label";
4164
4165                                         if ($count > 0) {
4166                                                 $class .= "Unread";
4167                                         }
4168
4169                                         printFeedEntry($label_id,
4170                                                 $class, $line["caption"],
4171                                                 $count, "images/label.png", $link,
4172                                                 false, false, false,
4173                                                 $line['fg_color'], $line['bg_color']);
4174
4175                                 }
4176
4177                                 if (db_num_rows($result) > 0) {
4178                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4179                                                 print "</ul>";
4180                                         }
4181                                 }
4182
4183
4184                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4185                                 print "<li><hr></li>";
4186                         }
4187
4188                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4189                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4190                                         $order_by_qpart = "order_id,category,unread DESC,title";
4191                                 } else {
4192                                         $order_by_qpart = "order_id,category,title";
4193                                 }
4194                         } else {
4195                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4196                                         $order_by_qpart = "unread DESC,title";
4197                                 } else {
4198                                         $order_by_qpart = "title";
4199                                 }
4200                         }
4201
4202                         $age_qpart = getMaxAgeSubquery();
4203
4204                         $query = "SELECT ttrss_feeds.*,
4205                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4206                                 cat_id,last_error,
4207                                 ttrss_feed_categories.title AS category,
4208                                 ttrss_feed_categories.collapsed,
4209                                 value AS unread
4210                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4211                                         ON (ttrss_feed_categories.id = cat_id)
4212                                 LEFT JOIN ttrss_counters_cache
4213                                         ON
4214                                                 (ttrss_feeds.id = feed_id)
4215                                 WHERE
4216                                         ttrss_feeds.hidden = false AND
4217                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4218                                 ORDER BY $order_by_qpart";
4219
4220                         $result = db_query($link, $query);
4221
4222                         $actid = $_GET["actid"];
4223
4224                         /* real feeds */
4225
4226                         $lnum = 0;
4227
4228                         $total_unread = 0;
4229
4230                         $category = "";
4231
4232                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4233
4234                         while ($line = db_fetch_assoc($result)) {
4235
4236                                 $feed = trim($line["title"]);
4237
4238                                 if (!$feed) $feed = "[Untitled]";
4239
4240                                 $feed_id = $line["id"];
4241                                 $unread = $line["unread"];
4242
4243                                 $subop = $_GET["subop"];
4244
4245                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4246                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4247                                 } else {
4248                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4249                                 }
4250
4251                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4252
4253                                 if ($rtl_content) {
4254                                         $rtl_tag = "dir=\"RTL\"";
4255                                 } else {
4256                                         $rtl_tag = "";
4257                                 }
4258
4259                                 $tmp_result = db_query($link,
4260                                         "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
4261                                                 WHERE parent_feed = '$feed_id' AND feed_id = id");
4262
4263                                 $unread += db_fetch_result($tmp_result, 0, "unread");
4264
4265                                 $cat_id = $line["cat_id"];
4266
4267                                 $tmp_category = $line["category"];
4268
4269                                 if (!$tmp_category) {
4270                                         $tmp_category = __("Uncategorized");
4271                                 }
4272
4273         //                      $class = ($lnum % 2) ? "even" : "odd";
4274
4275                                 if ($line["last_error"]) {
4276                                         $class = "error";
4277                                 } else {
4278                                         $class = "feed";
4279                                 }
4280
4281                                 if ($unread > 0) $class .= "Unread";
4282
4283                                 if ($actid == $feed_id) {
4284                                         $class .= "Selected";
4285                                 }
4286
4287                                 $total_unread += $unread;
4288
4289                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4290
4291                                         if ($category) {
4292                                                 print "</ul></li>";
4293                                         }
4294
4295                                         $category = $tmp_category;
4296
4297                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4298
4299                                         // workaround for NULL category
4300                                         if ($category == __("Uncategorized")) {
4301                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
4302                                                         $collapsed = "t";
4303                                                 }
4304                                         }
4305
4306                                         $cat_id = sprintf("%d", $cat_id);
4307
4308                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4309
4310                                 }
4311
4312                                 printFeedEntry($feed_id, $class, $feed, $unread,
4313                                         ICONS_URL."/$feed_id.ico", $link, $rtl_content,
4314                                         $last_updated, $line["last_error"]);
4315
4316                                 ++$lnum;
4317                         }
4318
4319                         if (db_num_rows($result) == 0) {
4320                                 print "<li>".__('No feeds to display.')."</li>";
4321                         }
4322
4323                 } else {
4324
4325                         // tags
4326
4327 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4328                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4329                                 post_int_id = ttrss_user_entries.int_id AND
4330                                 unread = true AND ref_id = ttrss_entries.id
4331                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4332                         UNION
4333                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4334                         ORDER BY tag_name"); */
4335
4336                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4337                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4338                                 print "<ul class=\"feedCatList\">";
4339                         }
4340
4341                         $age_qpart = getMaxAgeSubquery();
4342
4343                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4344                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4345                                         AND ref_id = id AND $age_qpart
4346                                         AND unread = true)) AS count FROM ttrss_tags
4347                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4348                                         ORDER BY count DESC LIMIT 50");
4349
4350                         $tags = array();
4351
4352                         while ($line = db_fetch_assoc($result)) {
4353                                 $tags[$line["tag_name"]] += $line["count"];
4354                         }
4355
4356                         foreach (array_keys($tags) as $tag) {
4357
4358                                 $unread = $tags[$tag];
4359
4360                                 $class = "tag";
4361
4362                                 if ($unread > 0) {
4363                                         $class .= "Unread";
4364                                 }
4365
4366                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4367
4368                         }
4369
4370                         if (db_num_rows($result) == 0) {
4371                                 print "<li>No tags to display.</li>";
4372                         }
4373
4374                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4375                                 print "</ul>";
4376                         }
4377
4378                 }
4379
4380                 print "</ul>";
4381
4382         }
4383
4384         function get_article_tags($link, $id, $owner_uid = 0) {
4385
4386                 $a_id = db_escape_string($id);
4387
4388                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4389
4390                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4391                         owner_uid as owner FROM
4392                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4393                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4394
4395                 $tags = array();
4396
4397                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4398                         array_push($tags, $tmp_line["tag_name"]);
4399                 }
4400
4401                 return $tags;
4402         }
4403
4404         function trim_value(&$value) {
4405                 $value = trim($value);
4406         }
4407
4408         function trim_array($array) {
4409                 $tmp = $array;
4410                 array_walk($tmp, 'trim_value');
4411                 return $tmp;
4412         }
4413
4414         function tag_is_valid($tag) {
4415                 if ($tag == '') return false;
4416                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4417
4418                 if (function_exists('iconv')) {
4419                         $tag = iconv("utf-8", "utf-8", $tag);
4420                 }
4421
4422                 if (!$tag) return false;
4423
4424                 return true;
4425         }
4426
4427         function render_login_form($link, $mobile = false) {
4428                 if (!$mobile) {
4429                         require_once "login_form.php";
4430                 } else {
4431                         require_once "mobile/login_form.php";
4432                 }
4433         }
4434
4435         // from http://developer.apple.com/internet/safari/faq.html
4436         function no_cache_incantation() {
4437                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4438                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4439                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4440                 header("Cache-Control: post-check=0, pre-check=0", false);
4441                 header("Pragma: no-cache"); // HTTP/1.0
4442         }
4443
4444         function format_warning($msg, $id = "") {
4445                 return "<div class=\"warning\" id=\"$id\">
4446                         <img src=\"images/sign_excl.gif\">$msg</div>";
4447         }
4448
4449         function format_notice($msg) {
4450                 return "<div class=\"notice\">
4451                         <img src=\"images/sign_info.gif\">$msg</div>";
4452         }
4453
4454         function format_error($msg) {
4455                 return "<div class=\"error\">
4456                         <img src=\"images/sign_excl.gif\">$msg</div>";
4457         }
4458
4459         function print_notice($msg) {
4460                 return print format_notice($msg);
4461         }
4462
4463         function print_warning($msg) {
4464                 return print format_warning($msg);
4465         }
4466
4467         function print_error($msg) {
4468                 return print format_error($msg);
4469         }
4470
4471
4472         function T_sprintf() {
4473                 $args = func_get_args();
4474                 return vsprintf(__(array_shift($args)), $args);
4475         }
4476
4477         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4478                 $zoom_mode = false) {
4479
4480                 /* we can figure out feed_id from article id anyway, why do we
4481                  * pass feed_id here? */
4482
4483                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4484                         WHERE ref_id = '$id'");
4485
4486                 $feed_id = db_fetch_result($result, 0, "feed_id");
4487
4488                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4489
4490                 $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4491                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4492
4493                 if (db_num_rows($result) == 1) {
4494                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4495                 } else {
4496                         $rtl_content = false;
4497                 }
4498
4499                 if ($rtl_content) {
4500                         $rtl_tag = "dir=\"RTL\"";
4501                         $rtl_class = "RTL";
4502                 } else {
4503                         $rtl_tag = "";
4504                         $rtl_class = "";
4505                 }
4506
4507                 if ($mark_as_read) {
4508                         $result = db_query($link, "UPDATE ttrss_user_entries
4509                                 SET unread = false,last_read = NOW()
4510                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4511
4512                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4513                 }
4514
4515                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4516                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4517                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4518                         num_comments,
4519                         author
4520                         FROM ttrss_entries,ttrss_user_entries
4521                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4522
4523                 if ($result) {
4524
4525                         $link_target = "";
4526
4527                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4528                                 $link_target = "target=\"_blank\"";
4529                         }
4530
4531                         $line = db_fetch_assoc($result);
4532
4533                         if ($line["icon_url"]) {
4534                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4535                         } else {
4536                                 $feed_icon = "&nbsp;";
4537                         }
4538
4539                         $num_comments = $line["num_comments"];
4540                         $entry_comments = "";
4541
4542                         if ($num_comments > 0) {
4543                                 if ($line["comments"]) {
4544                                         $comments_url = $line["comments"];
4545                                 } else {
4546                                         $comments_url = $line["link"];
4547                                 }
4548                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4549                         } else {
4550                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4551                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4552                                 }
4553                         }
4554
4555                         if ($zoom_mode) {
4556                                 header("Content-Type: text/html");
4557                                 print "<html><head>
4558                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4559                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4560                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4561                                         </head><body>";
4562                         }
4563
4564
4565                         print "<div class=\"postReply\">";
4566
4567                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\"
4568                                 onmouseout=\"enable_resize(false)\">";
4569
4570                         $entry_author = $line["author"];
4571
4572                         if ($entry_author) {
4573                                 $entry_author = __(" - ") . $entry_author;
4574                         }
4575
4576                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4577                                 strtotime($line["updated"]));
4578
4579                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4580
4581                         if ($line["link"]) {
4582                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4583                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4584                         } else {
4585                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4586                         }
4587
4588                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4589
4590                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4591
4592                         print "<div style='float : right'>
4593                                         <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>";
4594
4595                         if (!$zoom_mode) {
4596                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4597                                         <a title=\"".__('Edit tags for this article')."\"
4598                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
4599
4600                                 if (defined('_ENABLE_INLINE_VIEW')) {
4601
4602                                         print "<img src=\"images/art-inline.png\" class='tagsPic'
4603                                                         style=\"cursor : pointer\" style=\"cursor : pointer\"
4604                                                         onclick=\"showOriginalArticleInline($id)\"
4605                                                         alt='Inline' title='".__('Display original article content')."'>";
4606
4607                                 }
4608
4609                                 print "<img src=\"images/art-zoom.png\" class='tagsPic'
4610                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4611                                                 onclick=\"zoomToArticle($id)\"
4612                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4613                         }
4614                         print "</div>";
4615                         print "<div clear='both'>$entry_comments</div>";
4616
4617                         print "</div>";
4618
4619                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4620
4621                         print "<div class=\"postContent\">";
4622
4623                         $article_content = sanitize_rss($link, $line["content"]);
4624
4625                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4626                                 $article_content = preg_replace("/href=/i", "target=\"_blank\" href=",
4627                                         $article_content);
4628                         }
4629
4630                         print $article_content;
4631
4632                         $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4633                                 post_id = '$id' AND content_url != ''");
4634
4635                         if (db_num_rows($result) > 0) {
4636
4637                                 $entries_html = array();
4638                                 $entries = array();
4639
4640                                 while ($line = db_fetch_assoc($result)) {
4641
4642                                         $url = $line["content_url"];
4643                                         $ctype = $line["content_type"];
4644
4645                                         if (!$ctype) $ctype = __("unknown type");
4646
4647                                         $filename = substr($url, strrpos($url, "/")+1);
4648
4649                                         $entry = "";
4650
4651                                         if (($ctype == __("audio/mpeg")) &&
4652                                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4653
4654                                                 $entry .= "<object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object> ";
4655
4656                                         }
4657
4658                                         $entry .= "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4659                                                 $filename . " (" . $ctype . ")" . "</a>";
4660
4661                                         array_push($entries_html, $entry);
4662
4663                                         $entry = array();
4664
4665                                         $entry["type"] = $ctype;
4666                                         $entry["filename"] = $filename;
4667                                         $entry["url"] = $url;
4668
4669                                         array_push($entries, $entry);
4670                                 }
4671
4672                                 print "<div class=\"postEnclosures\">";
4673
4674                                 if (!preg_match("/img/i", $article_content)) {
4675                                         foreach ($entries as $entry) {
4676                                                 if (preg_match("/image/", $entry["type"])) {
4677                                                         print "<p><img
4678                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
4679                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
4680                                                 }
4681                                         }
4682                                 }
4683
4684                                 print "<div class=\"postEnclosures\">";
4685
4686                                 if (db_num_rows($result) == 1) {
4687                                         print __("Attachment:") . " ";
4688                                 } else {
4689                                         print __("Attachments:") . " ";
4690                                 }
4691
4692                                 print join(", ", $entries_html);
4693
4694                                 print "</div>";
4695                         }
4696
4697                         print "</div>";
4698
4699                         print "</div>";
4700
4701                 }
4702
4703                 if (!$zoom_mode) {
4704                         print "]]></article>";
4705                 } else {
4706                         print "
4707                                 <div style=\"text-align : center\">
4708                                 <input type=\"submit\" onclick=\"return window.close()\"
4709                                 value=\"".__("Close this window")."\"></div>";
4710                         print "</body></html>";
4711
4712                 }
4713
4714         }
4715
4716         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4717                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4718                                         $override_order = false) {
4719
4720                 $disable_cache = false;
4721
4722                 $timing_info = getmicrotime();
4723
4724                 $topmost_article_ids = array();
4725
4726                 if (!$offset) {
4727                         $offset = 0;
4728                 }
4729
4730                 if ($subop == "undefined") $subop = "";
4731
4732                 $subop_split = split(":", $subop);
4733
4734                 if ($subop == "CatchupSelected") {
4735                         $ids = split(",", db_escape_string($_GET["ids"]));
4736                         $cmode = sprintf("%d", $_GET["cmode"]);
4737
4738                         catchupArticlesById($link, $ids, $cmode);
4739                 }
4740
4741                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4742                         update_generic_feed($link, $feed, $cat_view, true);
4743                 }
4744
4745                 if ($subop == "MarkAllRead")  {
4746                         catchup_feed($link, $feed, $cat_view);
4747
4748                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4749                                 if ($next_unread_feed) {
4750                                         $feed = $next_unread_feed;
4751                                 }
4752                         }
4753                 }
4754
4755                 if ($subop_split[0] == "MarkAllReadGR")  {
4756                         catchup_feed($link, $subop_split[1], false);
4757                 }
4758
4759
4760                 if ($feed_id > 0) {
4761                         $result = db_query($link,
4762                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4763
4764                         if (db_num_rows($result) == 0) {
4765                                 print "<div align='center'>".__('Feed not found.')."</div>";
4766                                 return;
4767                         }
4768                 }
4769
4770                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4771
4772                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4773                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4774
4775                         if (db_num_rows($result) == 1) {
4776                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4777                         } else {
4778                                 $rtl_content = false;
4779                         }
4780
4781                         if ($rtl_content) {
4782                                 $rtl_tag = "dir=\"RTL\"";
4783                         } else {
4784                                 $rtl_tag = "";
4785                         }
4786                 } else {
4787                         $rtl_tag = "";
4788                         $rtl_content = false;
4789                 }
4790
4791                 $script_dt_add = get_script_dt_add();
4792
4793                 /// START /////////////////////////////////////////////////////////////////////////////////
4794
4795                 $search = db_escape_string($_GET["query"]);
4796
4797                 if ($search) {
4798                         $disable_cache = true;
4799                 }
4800
4801                 $search_mode = db_escape_string($_GET["search_mode"]);
4802                 $match_on = db_escape_string($_GET["match_on"]);
4803
4804                 if (!$match_on) {
4805                         $match_on = "both";
4806                 }
4807
4808                 $real_offset = $offset * $limit;
4809
4810                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4811
4812                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4813                         $search, $search_mode, $match_on, $override_order, $real_offset);
4814
4815                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4816
4817                 $result = $qfh_ret[0];
4818                 $feed_title = $qfh_ret[1];
4819                 $feed_site_url = $qfh_ret[2];
4820                 $last_error = $qfh_ret[3];
4821
4822                 $vgroup_last_feed = $vgr_last_feed;
4823
4824                 if ($feed == -2) {
4825                         $feed_site_url = article_publish_url($link);
4826                 }
4827
4828                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4829
4830                 if (!$offset) {
4831                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4832
4833                         if (!$result) {
4834                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4835                                 return;
4836                         }
4837
4838                         print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4839                                 $feed, $cat_view, $search, $match_on, $search_mode);
4840
4841                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4842                 }
4843
4844                 $headlines_count = db_num_rows($result);
4845
4846                 if (db_num_rows($result) > 0) {
4847
4848 #                       print "\{$offset}";
4849
4850                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4851                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4852                                         cellspacing=\"0\">";
4853                         }
4854
4855                         $lnum = $limit*$offset;
4856
4857                         error_reporting (DEFAULT_ERROR_LEVEL);
4858
4859                         $num_unread = 0;
4860                         $cur_feed_title = '';
4861
4862                         while ($line = db_fetch_assoc($result)) {
4863
4864                                 $class = ($lnum % 2) ? "even" : "odd";
4865
4866                                 $id = $line["id"];
4867                                 $feed_id = $line["feed_id"];
4868
4869                                 $labels = get_article_labels($link, $id);
4870
4871                                 $labels_str = "<span id=\"HLLCTR-$id\">";
4872                                 $labels_str .= format_article_labels($labels, $id);
4873                                 $labels_str .= "</span>";
4874
4875                                 if (count($topmost_article_ids) < 5) {
4876                                         array_push($topmost_article_ids, $id);
4877                                 }
4878
4879                                 if ($line["last_read"] == "" &&
4880                                                 ($line["unread"] != "t" && $line["unread"] != "1")) {
4881
4882                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
4883                                                 alt=\"Updated\">";
4884                                 } else {
4885                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4886                                                 alt=\"Updated\">";
4887                                 }
4888
4889                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4890                                         $class .= "Unread";
4891                                         ++$num_unread;
4892                                         $is_unread = true;
4893                                 } else {
4894                                         $is_unread = false;
4895                                 }
4896
4897                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4898
4899                                 if ($is_ie) {
4900                                         $mark_img_ext = "gif";
4901                                 } else {
4902                                         $mark_img_ext = "png";
4903                                 }
4904
4905                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4906                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
4907                                                 class=\"markedPic\"
4908                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
4909                                 } else {
4910                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
4911                                                 class=\"markedPic\"
4912                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
4913                                 }
4914
4915                                 if ($line["published"] == "t" || $line["published"] == "1") {
4916                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
4917                                                 class=\"markedPic\"
4918                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4919                                 } else {
4920                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
4921                                                 class=\"markedPic\"
4922                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4923                                 }
4924
4925 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
4926 #                                       $line["title"] . "</a>";
4927
4928 #                               $content_link = "<a
4929 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
4930 #                                       onclick=\"view($id,$feed_id);\">" .
4931 #                                       $line["title"] . "</a>";
4932
4933 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4934 #                                       $line["title"] . "</a>";
4935
4936                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4937                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
4938                                 } else {
4939                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4940                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
4941                                 }
4942
4943                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4944                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4945                                                 100);
4946                                 }
4947
4948                                 $score = $line["score"];
4949
4950                                 $score_pic = get_score_pic($score);
4951
4952 /*                              $score_title = __("(Click to change)");
4953                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
4954                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
4955
4956                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
4957                                         title=\"$score\">";
4958
4959                                 if ($score > 500) {
4960                                         $hlc_suffix = "H";
4961                                 } else if ($score < -100) {
4962                                         $hlc_suffix = "L";
4963                                 } else {
4964                                         $hlc_suffix = "";
4965                                 }
4966
4967                                 $entry_author = $line["author"];
4968
4969                                 if ($entry_author) {
4970                                         $entry_author = " - $entry_author";
4971                                 }
4972
4973                                 $has_feed_icon = feed_has_icon($feed_id);
4974
4975                                 if ($has_feed_icon) {
4976                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
4977                                 } else {
4978                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
4979                                         $feed_icon_img = "";
4980                                 }
4981
4982                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4983
4984                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
4985                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
4986
4987                                                         $cur_feed_title = $line["feed_title"];
4988                                                         $vgroup_last_feed = $feed_id;
4989
4990                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
4991
4992                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>mark as read</a>)";
4993
4994                                                         print "<tr class='feedTitle'><td colspan='7'>".
4995                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
4996                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
4997                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
4998                                                 }
4999                                         }
5000
5001                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5002                                                 onmouseout='postMouseOut($id)'";
5003
5004                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5005
5006                                         print "<td class='hlUpdPic'>$update_pic</td>";
5007
5008                                         print "<td class='hlSelectRow'>
5009                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5010                                                         id=\"RCHK-$id\">
5011                                                 </td>";
5012
5013                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5014                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5015
5016 #                                       if ($line["feed_title"]) {
5017 #                                               print "<td class='hlContent'>$content_link</td>";
5018 #                                               print "<td class='hlFeed'>
5019 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5020 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5021 #                                       } else {
5022
5023                                         print "<td onclick='view($id,$feed_id)' class='hlContent$hlc_suffix' valign='middle'>";
5024
5025                                         print "<a id=\"RTITLE-$id\"
5026                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5027                                                 onclick=\"return view($id,$feed_id);\">" .
5028                                                 $line["title"];
5029
5030                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5031                                                 if ($content_preview) {
5032                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5033                                                 }
5034                                         }
5035
5036                                         print "</a>";
5037
5038                                         print $labels_str;
5039
5040 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5041 #                                                       $line["feed_title"]."</a>
5042
5043                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5044                                                 if ($line["feed_title"]) {
5045                                                         print "<span class=\"hlFeed\">
5046                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5047                                                                 $line["feed_title"]."</a>)
5048                                                         </span>";
5049                                                 }
5050                                         }
5051                                         print "</td>";
5052
5053 #                                       }
5054
5055                                         print "<td class=\"hlUpdated\" onclick='view($id,$feed_id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5056
5057                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5058
5059                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5060                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5061                                         }
5062
5063                                         print "</tr>";
5064
5065                                 } else {
5066
5067                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5068                                                 if ($feed_id != $vgroup_last_feed) {
5069
5070                                                         $cur_feed_title = $line["feed_title"];
5071                                                         $vgroup_last_feed = $feed_id;
5072
5073                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5074
5075                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>mark as read</a>)";
5076
5077                                                         $has_feed_icon = feed_has_icon($feed_id);
5078
5079                                                         if ($has_feed_icon) {
5080                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5081                                                         } else {
5082                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5083                                                         }
5084
5085                                                         print "<div class='cdmFeedTitle'>".
5086                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5087                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5088                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5089                                                 }
5090                                         }
5091
5092                                         if ($is_unread) {
5093                                                 $add_class = "Unread";
5094                                         } else {
5095                                                 $add_class = "";
5096                                         }
5097
5098                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5099                                         $show_excerpt = false;
5100
5101                                         if ($expand_cdm && $score >= -100) {
5102                                                 $cdm_cstyle = "";
5103                                                 $show_excerpt = false;
5104                                         } else {
5105                                                 $cdm_cstyle = "style=\"display : none\"";
5106                                                 $show_excerpt = true;
5107                                         }
5108
5109                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5110                                                 onmouseout='postMouseOut($id)'";
5111
5112                                         print "<div class=\"cdmArticle$add_class\"
5113                                                 id=\"RROW-$id\"
5114                                                 $mouseover_attrs'>";
5115
5116                                         print "<div class=\"cdmHeader\">";
5117
5118                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5119                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5120                                         }
5121
5122                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5123                                                 </div>";
5124
5125                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\"
5126                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5127                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5128                                                 ";
5129
5130                                         print $entry_author;
5131
5132 /*                                      if (!$expand_cdm || $score < -100) {
5133                                                 print "&nbsp;<a id=\"CICH-$id\"
5134                                                         href=\"javascript:cdmExpandArticle($id)\">
5135                                                         (".__('Show article').")</a>";
5136                                         } */
5137
5138                                         print $labels_str;
5139
5140                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5141                                                 if ($line["feed_title"]) {
5142                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5143                                                 }
5144                                         }
5145
5146                                         print "</span></div>";
5147
5148                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
5149                                                 $line["content_preview"] = preg_replace("/href=/i",
5150                                                         "target=\"_blank\" href=", $line["content_preview"]);
5151                                         }
5152
5153                                         if ($show_excerpt) {
5154                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5155                                                         onclick=\"cdmExpandArticle($id)\"
5156                                                         title=\"".__('Click to expand article')."\">";
5157                                                 print truncate_string(strip_tags($line["content_preview"]), 100);
5158                                                 print "</div>";
5159                                         }
5160
5161                                         print "<div class=\"cdmContent\"
5162                                                 onclick=\"cdmClicked($id)\"
5163                                                 id=\"CICD-$id\" $cdm_cstyle>";
5164
5165 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5166
5167                                         print sanitize_rss($link, $line["content_preview"]);
5168                                         $article_content = $line["content_preview"];
5169
5170                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5171                                                 post_id = '$id' AND content_url != ''");
5172
5173                                         if (db_num_rows($e_result) > 0) {
5174
5175                                 $entries_html = array();
5176                                 $entries = array();
5177
5178                                 while ($e_line = db_fetch_assoc($e_result)) {
5179
5180                                         $url = $e_line["content_url"];
5181                                         $ctype = $e_line["content_type"];
5182                                         if (!$ctype) $ctype = __("unknown type");
5183
5184                                         $filename = substr($url, strrpos($url, "/")+1);
5185
5186                                         $entry = "";
5187
5188                                         if (($ctype == __("audio/mpeg")) &&
5189                                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
5190
5191                                                 $entry .= "<object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object> ";
5192
5193                                         }
5194
5195                                         $entry .= "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5196                                                 $filename . " (" . $ctype . ")" . "</a>";
5197
5198                                         array_push($entries_html, $entry);
5199
5200                                         $entry = array();
5201
5202                                         $entry["type"] = $ctype;
5203                                         $entry["filename"] = $filename;
5204                                         $entry["url"] = $url;
5205
5206                                         array_push($entries, $entry);
5207                                 }
5208
5209                                 if (!preg_match("/img/i", $article_content)) {
5210                                         foreach ($entries as $entry) {
5211                                                 if (preg_match("/image/", $entry["type"])) {
5212                                                         print "<p><img
5213                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
5214                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
5215                                                 }
5216                                         }
5217                                 }
5218
5219                                 print "<div class=\"cdmEnclosures\">";
5220
5221                                 if (db_num_rows($e_result) == 1) {
5222                                         print __("Attachment:") . " ";
5223                                 } else {
5224                                         print __("Attachments:") . " ";
5225                                 }
5226
5227                                 print join(", ", $entries_html);
5228
5229                                 print "</div>";
5230                         }
5231
5232
5233                                         print "<br clear='both'>";
5234 //                                      print "</div>";
5235
5236 /*                                      if (!$expand_cdm) {
5237                                                 print "<a id=\"CICH-$id\"
5238                                                         href=\"javascript:cdmExpandArticle($id)\">
5239                                                         Show article</a>";
5240                                         } */
5241
5242                                         print "</div>";
5243
5244                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5245
5246                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5247
5248                                         print __("Select:").
5249                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5250                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5251
5252                                         print "</span><span class='s1'>$marked_pic</span> ";
5253                                         print "<span class='s1'>$published_pic</span> ";
5254                                         print "<span class='s1'><img src=\"images/art-zoom.png\" class='tagsPic'
5255                                                 onclick=\"zoomToArticle($id)\"
5256                                                 style=\"cursor : pointer\"
5257                                                 alt='Zoom'
5258                                                 title='".__('Show article summary in new window')."'></span>";
5259
5260                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5261
5262 //                                      print "<img src='images/tag.png' class='markedPic'>";
5263
5264                                         print "<span class='s1'>
5265                                                 <img class='tagsPic' src='images/tag.png' alt='Tags' title='Tags'>
5266                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5267                                                 <a title=\"".__('Edit tags for this article')."\"
5268                                                 href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5269
5270                                         print "</span>";
5271
5272                                         print "<span class='s2'>Toggle: <a class=\"cdmToggleLink\"
5273                                                         href=\"javascript:toggleUnread($id)\">
5274                                                         Unread</a></span>";
5275
5276                                         print "</div>";
5277                                         print "</div>";
5278
5279                                 }
5280
5281                                 ++$lnum;
5282                         }
5283
5284                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5285                                 print "</table>";
5286                         }
5287
5288                 } else {
5289                         $message = "";
5290
5291                         switch ($view_mode) {
5292                                 case "unread":
5293                                         $message = __("No unread articles found to display.");
5294                                         break;
5295                                 case "updated":
5296                                         $message = __("No updated articles found to display.");
5297                                         break;
5298                                 case "marked":
5299                                         $message = __("No starred articles found to display.");
5300                                         break;
5301                                 default:
5302                                         if ($feed < -10) {
5303                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5304                                         } else {
5305                                                 $message = __("No articles found to display.");
5306                                         }
5307                         }
5308
5309                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5310                 }
5311
5312                 if (!$offset) {
5313                         print "</div>";
5314                         print "</div>";
5315                 }
5316
5317                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5318         }
5319
5320 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5321
5322         function printTagCloud($link) {
5323
5324                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5325                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5326                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5327
5328                 $result = db_query($link, $query);
5329
5330                 $tags = array();
5331
5332                 while ($line = db_fetch_assoc($result)) {
5333                         $tags[$line["tag_name"]] = $line["count"];
5334                 }
5335
5336                 ksort($tags);
5337
5338                 $max_size = 32; // max font size in pixels
5339                 $min_size = 11; // min font size in pixels
5340
5341                 // largest and smallest array values
5342                 $max_qty = max(array_values($tags));
5343                 $min_qty = min(array_values($tags));
5344
5345                 // find the range of values
5346                 $spread = $max_qty - $min_qty;
5347                 if ($spread == 0) { // we don't want to divide by zero
5348                                 $spread = 1;
5349                 }
5350
5351                 // set the font-size increment
5352                 $step = ($max_size - $min_size) / ($spread);
5353
5354                 // loop through the tag array
5355                 foreach ($tags as $key => $value) {
5356                         // calculate font-size
5357                         // find the $value in excess of $min_qty
5358                         // multiply by the font-size increment ($size)
5359                         // and add the $min_size set above
5360                         $size = round($min_size + (($value - $min_qty) * $step));
5361
5362                         $key_escaped = str_replace("'", "\\'", $key);
5363
5364                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5365                                 $size . "px\" title=\"$value articles tagged with " .
5366                                 $key . '">' . $key . '</a> ';
5367                 }
5368         }
5369
5370         function print_checkpoint($n, $s) {
5371                 $ts = getmicrotime();
5372                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5373                 return $ts;
5374         }
5375
5376         function sanitize_tag($tag) {
5377                 $tag = trim($tag);
5378
5379                 $tag = mb_strtolower($tag, 'utf-8');
5380
5381                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5382
5383 //              $tag = str_replace('"', "", $tag);
5384 //              $tag = str_replace("+", " ", $tag);
5385                 $tag = str_replace("technorati tag: ", "", $tag);
5386
5387                 return $tag;
5388         }
5389
5390         function generate_publish_key() {
5391                 return sha1(uniqid(rand(), true));
5392         }
5393
5394         function article_publish_url($link) {
5395
5396                 $url_path = "";
5397
5398
5399                 if ($_SERVER['HTTPS'] != "on") {
5400                         $url_path = "http://";
5401                 } else {
5402                         $url_path = "https://";
5403                 }
5404
5405                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5406                 $url_path .= "/backend.php?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
5407
5408                 return $url_path;
5409         }
5410
5411         /**
5412          * Purge a feed contents, marked articles excepted.
5413          *
5414          * @param mixed $link The database connection.
5415          * @param integer $id The id of the feed to purge.
5416          * @return void
5417          */
5418         function clear_feed_articles($link, $id) {
5419                 $result = db_query($link, "DELETE FROM ttrss_user_entries
5420                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5421
5422                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5423                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5424
5425                 ccache_update($link, $id, $_SESSION['uid']);
5426         } // function clear_feed_articles
5427
5428         /**
5429          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5430          *
5431          * @return string The Mozilla Firefox feed adding URL.
5432          */
5433         function add_feed_url() {
5434                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5435                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5436                 return $url_path;
5437         } // function add_feed_url
5438
5439         /**
5440          * Encrypt a password in SHA1.
5441          *
5442          * @param string $pass The password to encrypt.
5443          * @param string $login A optionnal login.
5444          * @return string The encrypted password.
5445          */
5446         function encrypt_password($pass, $login = '') {
5447                 if ($login) {
5448                         return "SHA1X:" . sha1("$login:$pass");
5449                 } else {
5450                         return "SHA1:" . sha1($pass);
5451                 }
5452         } // function encrypt_password
5453
5454         /**
5455          * Update a feed batch.
5456          * Used by daemons to update n feeds by run.
5457          * Only update feed needing a update, and not being processed
5458          * by another process.
5459          *
5460          * @param mixed $link Database link
5461          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5462          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5463          * @param boolean $debug Set to false to disable debug output. Default to true.
5464          * @return void
5465          */
5466         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5467                 // Process all other feeds using last_updated and interval parameters
5468
5469                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5470                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5471                         if (DB_TYPE == "pgsql") {
5472                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5473                         } else {
5474                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5475                         }
5476                 } else {
5477                         $login_thresh_qpart = "";
5478                 }
5479
5480                 // Test if the feed need a update (update interval exceded).
5481                 if (DB_TYPE == "pgsql") {
5482                         $update_limit_qpart = "AND ((
5483                                         ttrss_feeds.update_interval = 0
5484                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5485                                 ) OR (
5486                                         ttrss_feeds.update_interval > 0
5487                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5488                                 ) OR ttrss_feeds.last_updated IS NULL)";
5489                 } else {
5490                         $update_limit_qpart = "AND ((
5491                                         ttrss_feeds.update_interval = 0
5492                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5493                                 ) OR (
5494                                         ttrss_feeds.update_interval > 0
5495                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5496                                 ) OR ttrss_feeds.last_updated IS NULL)";
5497                 }
5498
5499                 // Test if feed is currently being updated by another process.
5500                 if (DB_TYPE == "pgsql") {
5501                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5502                 } else {
5503                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5504                 }
5505
5506                 // Test if there is a limit to number of updated feeds
5507                 $query_limit = "";
5508                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5509
5510                 $random_qpart = sql_random_function();
5511
5512                 // We search for feed needing update.
5513                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5514                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5515                                 ttrss_feeds.update_interval
5516                         FROM
5517                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5518                         WHERE
5519                                 ttrss_feeds.owner_uid = ttrss_users.id
5520                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5521                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5522                                 $login_thresh_qpart $update_limit_qpart
5523                          $updstart_thresh_qpart
5524                         ORDER BY $random_qpart $query_limit");
5525
5526                 $user_prefs_cache = array();
5527
5528                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5529
5530                 // Here is a little cache magic in order to minimize risk of double feed updates.
5531                 $feeds_to_update = array();
5532                 while ($line = db_fetch_assoc($result)) {
5533                         $feeds_to_update[$line['id']] = $line;
5534                 }
5535
5536                 // We update the feed last update started date before anything else.
5537                 // There is no lag due to feed contents downloads
5538                 // It prevent an other process to update the same feed.
5539                 $feed_ids = array_keys($feeds_to_update);
5540                 if($feed_ids) {
5541                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5542                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5543                 }
5544
5545                 // For each feed, we call the feed update function.
5546                 while ($line = array_pop($feeds_to_update)) {
5547
5548                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5549
5550                         // We setup a alarm to alert if the feed take more than 300s to update.
5551                         // => HANG alarm.
5552                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
5553                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5554                         // Cancel the alarm (the update went well)
5555                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
5556
5557                         sleep(1); // prevent flood (FIXME make this an option?)
5558                 }
5559
5560                 // Send feed digests by email if needed.
5561                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5562
5563                 purge_orphans($link);
5564
5565         } // function update_daemon_common
5566
5567         function sanitize_article_content($text) {
5568                 # we don't support CDATA sections in articles, they break our own escaping
5569                 $text = preg_replace("/\[\[CDATA/", "", $text);
5570                 $text = preg_replace("/\]\]\>/", "", $text);
5571                 return $text;
5572         }
5573
5574         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5575                 $filters = array();
5576
5577                 if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5578
5579                 $result = db_query($link, "SELECT reg_exp,
5580                         ttrss_filter_types.name AS name,
5581                         ttrss_filter_actions.name AS action,
5582                         inverse,
5583                         action_param,
5584                         filter_param
5585                         FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5586                                 enabled = true AND
5587                                 $ftype_query_part
5588                                 owner_uid = $owner_uid AND
5589                                 ttrss_filter_types.id = filter_type AND
5590                                 ttrss_filter_actions.id = action_id AND
5591                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5592
5593                 while ($line = db_fetch_assoc($result)) {
5594                         if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5595                                 $filter["reg_exp"] = $line["reg_exp"];
5596                                 $filter["action"] = $line["action"];
5597                                 $filter["action_param"] = $line["action_param"];
5598                                 $filter["filter_param"] = $line["filter_param"];
5599                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5600
5601                                 array_push($filters[$line["name"]], $filter);
5602                         }
5603
5604                 return $filters;
5605         }
5606
5607         function get_score_pic($score) {
5608                 if ($score > 100) {
5609                         return "score_high.png";
5610                 } else if ($score > 0) {
5611                         return "score_half_high.png";
5612                 } else if ($score < -100) {
5613                         return "score_low.png";
5614                 } else if ($score < 0) {
5615                         return "score_half_low.png";
5616                 } else {
5617                         return "score_neutral.png";
5618                 }
5619         }
5620
5621         function rounded_table_start($classname, $header = "&nbsp;") {
5622                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5623                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5624                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5625         }
5626
5627         function rounded_table_end($footer = "&nbsp;") {
5628                 print "</td><td class='right'>&nbsp;</td></tr>";
5629                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5630                 print "</table>";
5631         }
5632
5633         function feed_has_icon($id) {
5634                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5635         }
5636
5637         function init_connection($link) {
5638                 if (DB_TYPE == "pgsql") {
5639                         pg_query($link, "set client_encoding = 'UTF-8'");
5640                         pg_set_client_encoding("UNICODE");
5641                         pg_query($link, "set datestyle = 'ISO, european'");
5642                 } else {
5643                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5644                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5645         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5646                         }
5647                 }
5648         }
5649
5650         function update_feedbrowser_cache($link) {
5651
5652                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5653                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5654                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5655                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5656                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5657
5658                 db_query($link, "BEGIN");
5659
5660                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5661
5662                 $count = 0;
5663
5664                 while ($line = db_fetch_assoc($result)) {
5665                         $subscribers = db_escape_string($line["subscribers"]);
5666                         $feed_url = db_escape_string($line["feed_url"]);
5667                         $title = db_escape_string($line["title"]);
5668
5669                         $tmp_result = db_query($link, "SELECT subscribers FROM
5670                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5671
5672                         if (db_num_rows($tmp_result) == 0) {
5673
5674                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5675                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5676                                                 '$title', '$subscribers')");
5677
5678                                 ++$count;
5679
5680                         }
5681
5682                 }
5683
5684                 db_query($link, "COMMIT");
5685
5686                 return $count;
5687
5688         }
5689
5690         function ccache_zero($link, $feed_id, $owner_uid) {
5691                 db_query($link, "UPDATE ttrss_counters_cache SET
5692                         value = 0, updated = NOW() WHERE
5693                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5694         }
5695
5696         function ccache_zero_all($link, $owner_uid) {
5697                 db_query($link, "UPDATE ttrss_counters_cache SET
5698                         value = 0 WHERE owner_uid = '$owner_uid'");
5699
5700                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5701                         value = 0 WHERE owner_uid = '$owner_uid'");
5702         }
5703
5704         function ccache_update_all($link, $owner_uid) {
5705
5706                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5707
5708                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
5709                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5710
5711                         while ($line = db_fetch_assoc($result)) {
5712                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
5713                         }
5714
5715                         /* We have to manually include category 0 */
5716
5717                         ccache_update($link, 0, $owner_uid, true);
5718
5719                 } else {
5720                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
5721                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5722
5723                         while ($line = db_fetch_assoc($result)) {
5724                                 print ccache_update($link, $line["feed_id"], $owner_uid);
5725
5726                         }
5727
5728                 }
5729         }
5730
5731         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
5732                 $no_update = false) {
5733
5734                 if (!is_numeric($feed_id)) return;
5735
5736                 if (!$is_cat) {
5737                         $table = "ttrss_counters_cache";
5738                 } else {
5739                         $table = "ttrss_cat_counters_cache";
5740                 }
5741
5742                 if (DB_TYPE == "pgsql") {
5743                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
5744                 } else if (DB_TYPE == "mysql") {
5745                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
5746                 }
5747
5748                 $result = db_query($link, "SELECT value FROM $table
5749                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
5750                         LIMIT 1");
5751
5752                 if (db_num_rows($result) == 1) {
5753                         return db_fetch_result($result, 0, "value");
5754                 } else {
5755                         if ($no_update) {
5756                                 return -1;
5757                         } else {
5758                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
5759                         }
5760                 }
5761
5762         }
5763
5764         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
5765                 $update_pcat = true) {
5766
5767                 if (!is_numeric($feed_id)) return;
5768
5769                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
5770
5771                 /* When updating a label, all we need to do is recalculate feed counters
5772                  * because labels are not cached */
5773
5774                 if ($feed_id < 0) {
5775                         ccache_update_all($link, $owner_uid);
5776                         return;
5777                 }
5778
5779                 if (!$is_cat) {
5780                         $table = "ttrss_counters_cache";
5781                 } else {
5782                         $table = "ttrss_cat_counters_cache";
5783                 }
5784
5785                 if ($is_cat && $feed_id >= 0) {
5786                         if ($feed_id != 0) {
5787                                 $cat_qpart = "cat_id = '$feed_id'";
5788                         } else {
5789                                 $cat_qpart = "cat_id IS NULL";
5790                         }
5791
5792                         /* Recalculate counters for child feeds */
5793
5794                         $result = db_query($link, "SELECT id FROM ttrss_feeds
5795                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
5796
5797                         while ($line = db_fetch_assoc($result)) {
5798                                 ccache_update($link, $line["id"], $owner_uid, false, false);
5799                         }
5800
5801                         $result = db_query($link, "SELECT SUM(value) AS sv
5802                                 FROM ttrss_counters_cache, ttrss_feeds
5803                                 WHERE id = feed_id AND $cat_qpart AND
5804                                 ttrss_feeds.owner_uid = '$owner_uid'");
5805
5806                         $unread = (int) db_fetch_result($result, 0, "sv");
5807
5808                 } else {
5809                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
5810                 }
5811
5812                 $result = db_query($link, "SELECT feed_id FROM $table
5813                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
5814
5815                 if (db_num_rows($result) == 1) {
5816                         db_query($link, "UPDATE $table SET
5817                                 value = '$unread', updated = NOW() WHERE
5818                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5819
5820                 } else {
5821                         db_query($link, "INSERT INTO $table
5822                                 (feed_id, value, owner_uid, updated)
5823                                 VALUES
5824                                 ($feed_id, $unread, $owner_uid, NOW())");
5825                 }
5826
5827                 if ($feed_id > 0 && $prev_unread != $unread) {
5828
5829                         if (!$is_cat) {
5830
5831                                 /* Update parent category */
5832
5833                                 if ($update_pcat) {
5834
5835                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
5836                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
5837
5838                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
5839
5840                                         ccache_update($link, $cat_id, $owner_uid, true);
5841
5842                                 }
5843                         }
5844                 } else if ($feed_id < 0) {
5845                         ccache_update_all($link, $owner_uid);
5846                 }
5847
5848                 return $unread;
5849         }
5850
5851         function label_find_id($link, $label, $owner_uid) {
5852                 $result = db_query($link,
5853                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
5854                                 AND owner_uid = '$owner_uid' LIMIT 1");
5855
5856                 if (db_num_rows($result) == 1) {
5857                         return db_fetch_result($result, 0, "id");
5858                 } else {
5859                         return 0;
5860                 }
5861         }
5862
5863         function get_article_labels($link, $id) {
5864                 $result = db_query($link,
5865                         "SELECT DISTINCT label_id,caption,fg_color,bg_color
5866                                 FROM ttrss_labels2, ttrss_user_labels2
5867                         WHERE id = label_id
5868                                 AND article_id = '$id'
5869                                 AND owner_uid = ".$_SESSION["uid"] . "
5870                         ORDER BY caption");
5871
5872                 $rv = array();
5873
5874                 while ($line = db_fetch_assoc($result)) {
5875                         $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
5876                                 $line["bg_color"]);
5877                         array_push($rv, $rk);
5878                 }
5879
5880                 return $rv;
5881         }
5882
5883
5884         function label_find_caption($link, $label, $owner_uid) {
5885                 $result = db_query($link,
5886                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
5887                                 AND owner_uid = '$owner_uid' LIMIT 1");
5888
5889                 if (db_num_rows($result) == 1) {
5890                         return db_fetch_result($result, 0, "caption");
5891                 } else {
5892                         return "";
5893                 }
5894         }
5895
5896         function label_remove_article($link, $id, $label, $owner_uid) {
5897
5898                 $label_id = label_find_id($link, $label, $owner_uid);
5899
5900                 if (!$label_id) return;
5901
5902                 $result = db_query($link,
5903                         "DELETE FROM ttrss_user_labels2
5904                         WHERE
5905                                 label_id = '$label_id' AND
5906                                 article_id = '$id'");
5907         }
5908
5909         function label_add_article($link, $id, $label, $owner_uid) {
5910
5911                 $label_id = label_find_id($link, $label, $owner_uid);
5912
5913                 if (!$label_id) return;
5914
5915                 $result = db_query($link,
5916                         "SELECT
5917                                 article_id FROM ttrss_labels2, ttrss_user_labels2
5918                         WHERE
5919                                 label_id = id AND
5920                                 label_id = '$label_id' AND
5921                                 article_id = '$id' AND owner_uid = '$owner_uid'
5922                         LIMIT 1");
5923
5924                 if (db_num_rows($result) == 0) {
5925                         db_query($link, "INSERT INTO ttrss_user_labels2
5926                                 (label_id, article_id) VALUES ('$label_id', '$id')");
5927                 }
5928         }
5929
5930         function label_remove($link, $id, $owner_uid) {
5931
5932                 db_query($link, "BEGIN");
5933
5934                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
5935                         WHERE id = '$id'");
5936
5937                 $caption = db_fetch_result($result, 0, "caption");
5938
5939                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
5940                         AND owner_uid = " . $_SESSION["uid"]);
5941
5942                 if (db_affected_rows($link, $result) != 0 && $caption) {
5943
5944                         /* Disable filters that reference label being removed */
5945
5946                         db_query($link, "UPDATE ttrss_filters SET
5947                                 enabled = false WHERE action_param = '$caption'
5948                                         AND action_id = 7
5949                                         AND owner_uid = " . $_SESSION["uid"]);
5950                         }
5951
5952                 db_query($link, "COMMIT");
5953         }
5954
5955         function label_create($link, $caption) {
5956
5957                 db_query($link, "BEGIN");
5958
5959                 $result = false;
5960
5961                 $result = db_query($link, "SELECT id FROM ttrss_labels2
5962                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
5963
5964                 if (db_num_rows($result) == 0) {
5965                         $result = db_query($link,
5966                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
5967                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
5968
5969                         $result = db_affected_rows($link, $result) != 0;
5970                 }
5971
5972                 db_query($link, "COMMIT");
5973
5974                 return $result;
5975         }
5976
5977         function print_labels_headlines_dropdown($link, $feed_id) {
5978                 print "<li onclick=\"javascript:addLabel()\">
5979                         &nbsp;&nbsp;".__("Create label...")."</li>";
5980
5981                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
5982                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
5983
5984                 while ($line = db_fetch_assoc($result)) {
5985
5986                         $label_id = $line["id"];
5987                         $label_caption = $line["caption"];
5988
5989                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
5990                                 print "<li id=\"LHDL-$id\"
5991                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
5992                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
5993                         } else {
5994                                 print "<li id=\"LHDL-$id\"
5995                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
5996                                         &nbsp;&nbsp;$label_caption</li>";
5997                         }
5998                 }
5999         }
6000
6001         function format_tags_string($tags, $id) {
6002
6003                 $tags_str = "";
6004                 $tags_nolinks_str = "";
6005
6006                 $num_tags = 0;
6007
6008                 if ($_SESSION["theme"] == "3pane") {
6009                         $tag_limit = 3;
6010                 } else {
6011                         $tag_limit = 6;
6012                 }
6013
6014                 $formatted_tags = array();
6015
6016                 foreach ($tags as $tag) {
6017                         $num_tags++;
6018                         $tag_escaped = str_replace("'", "\\'", $tag);
6019
6020                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6021
6022                         array_push($formatted_tags, $tag_str);
6023
6024                         if ($num_tags == $tag_limit) {
6025                                 break;
6026                         }
6027                 }
6028
6029                 $tags_str = implode(", ", $formatted_tags);
6030
6031                 if ($num_tags < count($tags)) {
6032                         $tags_str .= ", &hellip;";
6033                 }
6034
6035                 if ($num_tags == 0) {
6036                         $tags_str = __("no tags");
6037                 }
6038
6039                 return $tags_str;
6040
6041         }
6042
6043         function format_article_labels($labels, $id) {
6044
6045                 $labels_str = "";
6046
6047                 foreach ($labels as $l) {
6048                         $labels_str .= sprintf("<span class='hlLabelRef'
6049                                 style='color : %s; background-color : %s'>%s</span>",
6050                                         $l[2], $l[3], $l[1]);
6051                         }
6052
6053                 return $labels_str;
6054
6055         }
6056 ?>