functions.php

   1 <?php
   2
   3         date_default_timezone_set('UTC');
   4         if (defined('E_DEPRECATED')) {
   5                 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
   6         } else {
   7                 error_reporting(E_ALL & ~E_NOTICE);
   8         }
   9
  10         require_once 'config.php';
  11
  12         if (DB_TYPE == "pgsql") {
  13                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  14         } else {
  15                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  16         }
  17
  18         /**
  19          * Return available translations names.
  20          *
  21          * @access public
  22          * @return array A array of available translations.
  23          */
  24         function get_translations() {
  25                 $tr = array(
  26                                         "auto"  => "Detect automatically",
  27                                         "ca_CA" => "Català",
  28                                         "en_US" => "English",
  29                                         "es_ES" => "Español",
  30                                         "de_DE" => "Deutsch",
  31                                         "fr_FR" => "Français",
  32                                         "hu_HU" => "Magyar (Hungarian)",
  33                                         "it_IT" => "Italiano",
  34                                         "ja_JP" => "日本語 (Japanese)",
  35                                         "nb_NO" => "Norwegian bokmål",
  36                                         "ru_RU" => "Русский",
  37                                         "pt_BR" => "Portuguese/Brazil",
  38                                         "zh_CN" => "Simplified Chinese");
  39
  40                 return $tr;
  41         }
  42
  43         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  44                 require_once "lib/accept-to-gettext.php";
  45                 require_once "lib/gettext/gettext.inc";
  46
  47                 function startup_gettext() {
  48
  49                         # Get locale from Accept-Language header
  50                         $lang = al2gt(array_keys(get_translations()), "text/html");
  51
  52                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  53                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  54                         }
  55
  56                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  57                                 $lang = $_COOKIE["ttrss_lang"];
  58                         }
  59
  60                         /* In login action of mobile version */
  61                         if ($_POST["language"] && defined('MOBILE_VERSION')) {
  62                                 $lang = $_POST["language"];
  63                                 $_COOKIE["ttrss_lang"] = $lang;
  64                         }
  65
  66                         if ($lang) {
  67                                 if (defined('LC_MESSAGES')) {
  68                                         _setlocale(LC_MESSAGES, $lang);
  69                                 } else if (defined('LC_ALL')) {
  70                                         _setlocale(LC_ALL, $lang);
  71                                 } else {
  72                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  73                                 }
  74
  75                                 if (defined('MOBILE_VERSION')) {
  76                                         _bindtextdomain("messages", "../locale");
  77                                 } else {
  78                                         _bindtextdomain("messages", "locale");
  79                                 }
  80
  81                                 _textdomain("messages");
  82                                 _bind_textdomain_codeset("messages", "UTF-8");
  83                         }
  84                 }
  85
  86                 startup_gettext();
  87
  88         } else { // If translations are enabled.
  89                 function __($msg) {
  90                         return $msg;
  91                 }
  92                 function startup_gettext() {
  93                         // no-op
  94                         return true;
  95                 }
  96         } // If translations are enabled.
  97
  98         if (defined('MEMCACHE_SERVER')) {
  99                 $memcache = new Memcache;
 100                 $memcache->connect(MEMCACHE_SERVER, 11211);
 101         }
 102
 103         require_once 'db-prefs.php';
 104         require_once 'compat.php';
 105         require_once 'errors.php';
 106         require_once 'version.php';
 107
 108         require_once 'lib/phpmailer/class.phpmailer.php';
 109         require_once 'lib/sphinxapi.php';
 110
 111         //define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 112         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 113         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
 114
 115         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
 116         define('MAGPIE_USER_AGENT', SELF_USER_AGENT);
 117
 118         require_once "lib/simplepie/simplepie.inc";
 119         require_once "lib/magpierss/rss_fetch.inc";
 120         require_once 'lib/magpierss/rss_utils.inc';
 121         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
 122
 123         $config = HTMLPurifier_Config::createDefault();
 124
 125         $allowed = "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4";
 126
 127         $config->set('HTML', 'Allowed', $allowed);
 128         $purifier = new HTMLPurifier($config);
 129
 130         /**
 131          * Print a timestamped debug message.
 132          *
 133          * @param string $msg The debug message.
 134          * @return void
 135          */
 136         function _debug($msg) {
 137                 $ts = strftime("%H:%M:%S", time());
 138                 if (function_exists('posix_getpid')) {
 139                         $ts = "$ts/" . posix_getpid();
 140                 }
 141                 print "[$ts] $msg\n";
 142         } // function _debug
 143
 144         /**
 145          * Purge a feed old posts.
 146          *
 147          * @param mixed $link A database connection.
 148          * @param mixed $feed_id The id of the purged feed.
 149          * @param mixed $purge_interval Olderness of purged posts.
 150          * @param boolean $debug Set to True to enable the debug. False by default.
 151          * @access public
 152          * @return void
 153          */
 154         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 155
 156                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 157
 158                 $rows = -1;
 159
 160                 $result = db_query($link,
 161                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 162
 163                 $owner_uid = false;
 164
 165                 if (db_num_rows($result) == 1) {
 166                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 167                 }
 168
 169                 if ($purge_interval == -1 || !$purge_interval) {
 170                         if ($owner_uid) {
 171                                 ccache_update($link, $feed_id, $owner_uid);
 172                         }
 173                         return;
 174                 }
 175
 176                 if (!$owner_uid) return;
 177
 178                 if (FORCE_ARTICLE_PURGE == 0) {
 179                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 180                                 $owner_uid, false);
 181                 } else {
 182                         $purge_unread = true;
 183                         $purge_interval = FORCE_ARTICLE_PURGE;
 184                 }
 185
 186                 if (!$purge_unread) $query_limit = " unread = false AND ";
 187
 188                 if (DB_TYPE == "pgsql") {
 189 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 190                                 marked = false AND feed_id = '$feed_id' AND
 191                                 (SELECT date_updated FROM ttrss_entries WHERE
 192                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 193
 194                         $pg_version = get_pgsql_version($link);
 195
 196                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 197
 198                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 199                                         ttrss_entries.id = ref_id AND
 200                                         marked = false AND
 201                                         feed_id = '$feed_id' AND
 202                                         $query_limit
 203                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 204
 205                         } else {
 206
 207                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 208                                         USING ttrss_entries
 209                                         WHERE ttrss_entries.id = ref_id AND
 210                                         marked = false AND
 211                                         feed_id = '$feed_id' AND
 212                                         $query_limit
 213                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 214                         }
 215
 216                         $rows = pg_affected_rows($result);
 217
 218                 } else {
 219
 220 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 221                                 marked = false AND feed_id = '$feed_id' AND
 222                                 (SELECT date_updated FROM ttrss_entries WHERE
 223                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 224
 225                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 226                                 USING ttrss_user_entries, ttrss_entries
 227                                 WHERE ttrss_entries.id = ref_id AND
 228                                 marked = false AND
 229                                 feed_id = '$feed_id' AND
 230                                 $query_limit
 231                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 232
 233                         $rows = mysql_affected_rows($link);
 234
 235                 }
 236
 237                 ccache_update($link, $feed_id, $owner_uid);
 238
 239                 if ($debug) {
 240                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 241                 }
 242         } // function purge_feed
 243
 244         /**
 245          * Purge old posts from old feeds. Not used anymore, purging is done after feed update.
 246          *
 247          * @param mixed $link A database connection
 248          * @param boolean $do_output Set to true to enable printed output, false by default.
 249          * @param integer $limit The maximal number of removed posts.
 250          * @access public
 251          * @return void
 252          */
 253         /* function global_purge_old_posts($link, $do_output = false, $limit = false) {
 254
 255                 $random_qpart = sql_random_function();
 256
 257                 if ($limit) {
 258                         $limit_qpart = "LIMIT $limit";
 259                 } else {
 260                         $limit_qpart = "";
 261                 }
 262
 263                 $result = db_query($link,
 264                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 265                                 ORDER BY $random_qpart $limit_qpart");
 266
 267                 while ($line = db_fetch_assoc($result)) {
 268
 269                         $feed_id = $line["id"];
 270                         $purge_interval = $line["purge_interval"];
 271                         $owner_uid = $line["owner_uid"];
 272
 273                         if ($purge_interval == 0) {
 274
 275                                 $tmp_result = db_query($link,
 276                                         "SELECT value FROM ttrss_user_prefs WHERE
 277                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 278
 279                                 if (db_num_rows($tmp_result) != 0) {
 280                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 281                                 }
 282                         }
 283
 284                         if ($do_output) {
 285 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 286                         }
 287
 288                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 289                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 290                         }
 291                 }
 292
 293                 purge_orphans($link, $do_output);
 294
 295         } // function global_purge_old_posts */
 296
 297         function feed_purge_interval($link, $feed_id) {
 298
 299                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 300                         WHERE id = '$feed_id'");
 301
 302                 if (db_num_rows($result) == 1) {
 303                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 304                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 305
 306                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 307                                 'PURGE_OLD_DAYS', $owner_uid);
 308
 309                         return $purge_interval;
 310
 311                 } else {
 312                         return -1;
 313                 }
 314         }
 315
 316         function purge_old_posts($link) {
 317
 318                 $user_id = $_SESSION["uid"];
 319
 320                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 321                         WHERE owner_uid = '$user_id'");
 322
 323                 while ($line = db_fetch_assoc($result)) {
 324
 325                         $feed_id = $line["id"];
 326                         $purge_interval = $line["purge_interval"];
 327
 328                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 329
 330                         if ($purge_interval > 0) {
 331                                 purge_feed($link, $feed_id, $purge_interval);
 332                         }
 333                 }
 334
 335                 purge_orphans($link);
 336         }
 337
 338         function purge_orphans($link, $do_output = false) {
 339
 340                 // purge orphaned posts in main content table
 341                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 342                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 343
 344                 if ($do_output) {
 345                         $rows = db_affected_rows($link, $result);
 346                         _debug("Purged $rows orphaned posts.");
 347                 }
 348         }
 349
 350         function get_feed_update_interval($link, $feed_id) {
 351                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 352                         ttrss_feeds WHERE id = '$feed_id'");
 353
 354                 if (db_num_rows($result) == 1) {
 355                         $update_interval = db_fetch_result($result, 0, "update_interval");
 356                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 357
 358                         if ($update_interval != 0) {
 359                                 return $update_interval;
 360                         } else {
 361                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 362                         }
 363
 364                 } else {
 365                         return -1;
 366                 }
 367         }
 368
 369         function fetch_file_contents($url, $type = false) {
 370                 if (USE_CURL_FOR_ICONS) {
 371                         $ch = curl_init($url);
 372
 373                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 374                         curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 375                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 376                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 377                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 378                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 379
 380                         $contents = @curl_exec($ch);
 381                         if ($contents === false) {
 382                                 curl_close($ch);
 383                                 return false;
 384                         }
 385
 386                         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 387                         curl_close($ch);
 388
 389                         if ($type && strpos($content_type, "$type") === false) {
 390                                 return false;
 391                         }
 392
 393                         return $contents;
 394                 } else {
 395                         return @file_get_contents($url);
 396                 }
 397
 398         }
 399
 400         /**
 401          * Try to determine the favicon URL for a feed.
 402          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 403          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 404          *
 405          * @param string $url A feed or page URL
 406          * @access public
 407          * @return mixed The favicon URL, or false if none was found.
 408          */
 409         function get_favicon_url($url) {
 410
 411                 $favicon_url = false;
 412
 413                 if ($html = @fetch_file_contents($url)) {
 414
 415                         libxml_use_internal_errors(true);
 416
 417                         $doc = new DOMDocument();
 418                         $doc->loadHTML($html);
 419                         $xpath = new DOMXPath($doc);
 420                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon"]');
 421
 422                         if (count($entries) > 0) {
 423                                 foreach ($entries as $entry) {
 424                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 425                                         break;
 426                                 }
 427                         }
 428                 }
 429
 430                 if (!$favicon_url)
 431                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 432
 433                 // Run a test to see if what we have attempted to get actually exists.
 434                 if(USE_CURL_FOR_ICONS || url_validate($favicon_url)) {
 435                         return $favicon_url;
 436                 } else {
 437                         return false;
 438                 }
 439         } // function get_favicon_url
 440
 441         /**
 442          * Check if a link is a valid and working URL.
 443          *
 444          * @param mixed $link A URL to check
 445          * @access public
 446          * @return boolean True if the URL is valid, false otherwise.
 447          */
 448         function url_validate($link) {
 449
 450                 $url_parts = @parse_url($link);
 451
 452                 if ( empty( $url_parts["host"] ) )
 453                                 return false;
 454
 455                 if ( !empty( $url_parts["path"] ) ) {
 456                                 $documentpath = $url_parts["path"];
 457                 } else {
 458                                 $documentpath = "/";
 459                 }
 460
 461                 if ( !empty( $url_parts["query"] ) )
 462                                 $documentpath .= "?" . $url_parts["query"];
 463
 464                 $host = $url_parts["host"];
 465                 $port = $url_parts["port"];
 466
 467                 if ( empty($port) )
 468                                 $port = "80";
 469
 470                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 471
 472                 if ( !$socket )
 473                                 return false;
 474
 475                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 476
 477                 $http_response = fgets( $socket, 22 );
 478
 479                 $responses = "/(200 OK)|(30[123])/";
 480                 if ( preg_match($responses, $http_response) ) {
 481                                 fclose($socket);
 482                                 return true;
 483                 } else {
 484                                 return false;
 485                 }
 486
 487         } // function url_validate
 488
 489         function check_feed_favicon($site_url, $feed, $link) {
 490                 $favicon_url = get_favicon_url($site_url);
 491
 492 #               print "FAVICON [$site_url]: $favicon_url\n";
 493
 494                 $icon_file = ICONS_DIR . "/$feed.ico";
 495
 496                 if ($favicon_url && !file_exists($icon_file)) {
 497                         $contents = fetch_file_contents($favicon_url, "image");
 498
 499                         if ($contents) {
 500                                 $fp = fopen($icon_file, "w");
 501
 502                                 if ($fp) {
 503                                         fwrite($fp, $contents);
 504                                         fclose($fp);
 505                                         chmod($icon_file, 0644);
 506                                 }
 507                         }
 508                 }
 509         }
 510
 511         function update_rss_feed($link, $feed, $ignore_daemon = false) {
 512
 513                 global $memcache;
 514
 515                 /* Update all feeds with the same URL to utilize memcache */
 516
 517                 if ($memcache) {
 518                         $result = db_query($link, "SELECT f1.id
 519                                 FROM ttrss_feeds AS f1, ttrss_feeds AS f2
 520                                 WHERE   f2.feed_url = f1.feed_url AND f2.id = '$feed'");
 521
 522                         while ($line = db_fetch_assoc($result)) {
 523                                 update_rss_feed_real($link, $line["id"], $ignore_daemon);
 524                         }
 525                 } else {
 526                         update_rss_feed_real($link, $feed, $ignore_daemon);
 527                 }
 528         }
 529
 530         function update_rss_feed_real($link, $feed, $ignore_daemon = false) {
 531
 532                 global $memcache;
 533
 534                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
 535                         return false;
 536                 }
 537
 538                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 539                         _debug("update_rss_feed: start");
 540                 }
 541
 542                 if (!$ignore_daemon) {
 543
 544                         if (DB_TYPE == "pgsql") {
 545                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 546                                 } else {
 547                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 548                                 }
 549
 550                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 551                                 auth_pass,cache_images,update_method
 552                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 553
 554                 } else {
 555
 556                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 557                                 feed_url,auth_pass,cache_images,update_method,last_updated
 558                                 FROM ttrss_feeds WHERE id = '$feed'");
 559
 560                 }
 561
 562                 if (db_num_rows($result) == 0) {
 563                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 564                                 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
 565                         }
 566                         return false;
 567                 }
 568
 569                 $update_method = db_fetch_result($result, 0, "update_method");
 570                 $last_updated = db_fetch_result($result, 0, "last_updated");
 571
 572                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 573                         WHERE id = '$feed'");
 574
 575                 $auth_login = db_fetch_result($result, 0, "auth_login");
 576                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 577
 578                 if (DEFAULT_UPDATE_METHOD == "1") {
 579                         $use_simplepie = $update_method != 1;
 580                 } else {
 581                         $use_simplepie = $update_method == 2;
 582                 }
 583
 584                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 585                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 586                 }
 587
 588                 if (!$use_simplepie) {
 589                         $auth_login = urlencode($auth_login);
 590                         $auth_pass = urlencode($auth_pass);
 591                 }
 592
 593                 $update_interval = db_fetch_result($result, 0, "update_interval");
 594                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 595                 $fetch_url = db_fetch_result($result, 0, "feed_url");
 596
 597                 if ($update_interval < 0) { return; }
 598
 599                 $feed = db_escape_string($feed);
 600
 601                 if ($auth_login && $auth_pass) {
 602                         $url_parts = array();
 603                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 604
 605                         if ($url_parts[1] && $url_parts[2]) {
 606                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 607                         }
 608
 609                 }
 610
 611                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 612                         _debug("update_rss_feed: fetching [$fetch_url]...");
 613                 }
 614
 615                 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
 616
 617                 if ($memcache && $obj = $memcache->get($obj_id)) {
 618
 619                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 620                                 _debug("update_rss_feed: data found in memcache.");
 621                         }
 622
 623                         $rss = $obj;
 624
 625                 } else {
 626
 627                         if (!$use_simplepie) {
 628                                 $rss = @fetch_rss($fetch_url);
 629                         } else {
 630                                 if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 631                                         mkdir(SIMPLEPIE_CACHE_DIR);
 632                                 }
 633
 634                                 $rss = new SimplePie();
 635                                 $rss->set_useragent(SELF_USER_AGENT);
 636         #                       $rss->set_timeout(10);
 637                                 $rss->set_feed_url($fetch_url);
 638                                 $rss->set_output_encoding('UTF-8');
 639
 640                                 if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 641                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 642                                                 _debug("enabling image cache");
 643                                         }
 644
 645                                         $rss->set_image_handler('./image.php', 'i');
 646                                 }
 647
 648                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 649                                         _debug("feed update interval (sec): " .
 650                                                 get_feed_update_interval($link, $feed)*60);
 651                                 }
 652
 653                                 if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 654                                         $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 655                                         $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 656                                 }
 657
 658                                 $rss->init();
 659                         }
 660
 661                         if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
 662                 }
 663
 664 //              print_r($rss);
 665
 666                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 667                         _debug("update_rss_feed: fetch done, parsing...");
 668                 }
 669
 670                 $feed = db_escape_string($feed);
 671
 672                 if ($use_simplepie) {
 673                         $fetch_ok = !$rss->error();
 674                 } else {
 675                         $fetch_ok = !!$rss;
 676                 }
 677
 678                 if ($fetch_ok) {
 679
 680                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 681                                 _debug("update_rss_feed: processing feed data...");
 682                         }
 683
 684 //                      db_query($link, "BEGIN");
 685
 686                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 687                                 FROM ttrss_feeds WHERE id = '$feed'");
 688
 689                         $registered_title = db_fetch_result($result, 0, "title");
 690                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 691                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 692
 693                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 694
 695                         if ($use_simplepie) {
 696                                 $site_url = $rss->get_link();
 697                         } else {
 698                                 $site_url = $rss->channel["link"];
 699                         }
 700
 701                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 702                                 _debug("update_rss_feed: checking favicon...");
 703                         }
 704
 705                         check_feed_favicon($site_url, $feed, $link);
 706
 707                         if (!$registered_title || $registered_title == "[Unknown]") {
 708
 709                                 if ($use_simplepie) {
 710                                         $feed_title = db_escape_string($rss->get_title());
 711                                 } else {
 712                                         $feed_title = db_escape_string($rss->channel["title"]);
 713                                 }
 714
 715                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 716                                         _debug("update_rss_feed: registering title: $feed_title");
 717                                 }
 718
 719                                 db_query($link, "UPDATE ttrss_feeds SET
 720                                         title = '$feed_title' WHERE id = '$feed'");
 721                         }
 722
 723                         // weird, weird Magpie
 724                         if (!$use_simplepie) {
 725                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 726                         }
 727
 728                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 729                                 db_query($link, "UPDATE ttrss_feeds SET
 730                                         site_url = '$site_url' WHERE id = '$feed'");
 731                         }
 732
 733 //                      print "I: " . $rss->channel["image"]["url"];
 734
 735                         if (!$use_simplepie) {
 736                                 $icon_url = db_escape_string($rss->image["url"]);
 737                         } else {
 738                                 $icon_url = db_escape_string($rss->get_image_url());
 739                         }
 740
 741                         $icon_url = substr($icon_url, 0, 250);
 742
 743                         if ($icon_url && $orig_icon_url != $icon_url) {
 744                                 if (USE_CURL_FOR_ICONS || url_validate($icon_url)) {
 745                                         db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 746                                 }
 747                         }
 748
 749                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 750                                 _debug("update_rss_feed: loading filters...");
 751                         }
 752
 753                         $filters = load_filters($link, $feed, $owner_uid);
 754
 755                         if ($use_simplepie) {
 756                                 $iterator = $rss->get_items();
 757                         } else {
 758                                 $iterator = $rss->items;
 759                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 760                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 761                         }
 762
 763                         if (!is_array($iterator)) {
 764                                 /* db_query($link, "UPDATE ttrss_feeds
 765                                         SET last_error = 'Parse error: can\'t find any articles.'
 766                                         WHERE id = '$feed'"); */
 767
 768                                 // clear any errors and mark feed as updated if fetched okay
 769                                 // even if it's blank
 770
 771                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 772                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 773                                 }
 774
 775                                 db_query($link, "UPDATE ttrss_feeds
 776                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 777
 778                                 return; // no articles
 779                         }
 780
 781                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 782                                 _debug("update_rss_feed: processing articles...");
 783                         }
 784
 785                         foreach ($iterator as $item) {
 786
 787                                 if ($_REQUEST['xdebug'] == 2) {
 788                                         print_r($item);
 789                                 }
 790
 791                                 if ($use_simplepie) {
 792                                         $entry_guid = $item->get_id();
 793                                         if (!$entry_guid) $entry_guid = $item->get_link();
 794                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 795
 796                                 } else {
 797
 798                                         $entry_guid = $item["id"];
 799
 800                                         if (!$entry_guid) $entry_guid = $item["guid"];
 801                                         if (!$entry_guid) $entry_guid = $item["link"];
 802                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 803                                 }
 804
 805                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 806                                         _debug("update_rss_feed: guid $entry_guid");
 807                                 }
 808
 809                                 if (!$entry_guid) continue;
 810
 811                                 $entry_timestamp = "";
 812
 813                                 if ($use_simplepie) {
 814                                         $entry_timestamp = strtotime($item->get_date());
 815                                 } else {
 816                                         $rss_2_date = $item['pubdate'];
 817                                         $rss_1_date = $item['dc']['date'];
 818                                         $atom_date = $item['issued'];
 819                                         if (!$atom_date) $atom_date = $item['updated'];
 820
 821                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 822                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 823                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 824
 825                                 }
 826
 827                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 828                                         $entry_timestamp = time();
 829                                         $no_orig_date = 'true';
 830                                 } else {
 831                                         $no_orig_date = 'false';
 832                                 }
 833
 834                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 835
 836                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 837                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 838                                 }
 839
 840                                 if ($use_simplepie) {
 841                                         $entry_title = $item->get_title();
 842                                 } else {
 843                                         $entry_title = trim(strip_tags($item["title"]));
 844                                 }
 845
 846                                 if ($use_simplepie) {
 847                                         $entry_link = $item->get_link();
 848                                 } else {
 849                                         // strange Magpie workaround
 850                                         $entry_link = $item["link_"];
 851                                         if (!$entry_link) $entry_link = $item["link"];
 852                                 }
 853
 854                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 855                                         _debug("update_rss_feed: title $entry_title");
 856                                 }
 857
 858                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 859
 860                                 $entry_link = strip_tags($entry_link);
 861
 862                                 if ($use_simplepie) {
 863                                         $entry_content = $item->get_content();
 864                                         if (!$entry_content) $entry_content = $item->get_description();
 865                                 } else {
 866                                         $entry_content = $item["content:escaped"];
 867
 868                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 869                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 870                                         if (!$entry_content) $entry_content = $item["content"];
 871
 872                                         // Magpie bugs are getting ridiculous
 873                                         if (trim($entry_content) == "Array") $entry_content = false;
 874
 875                                         if (!$entry_content) $entry_content = $item["atom_content"];
 876                                         if (!$entry_content) $entry_content = $item["summary"];
 877
 878                                         if (!$entry_content ||
 879                                                 strlen($entry_content) < strlen($item["description"])) {
 880                                                         $entry_content = $item["description"];
 881                                         };
 882
 883                                         // WTF
 884                                         if (is_array($entry_content)) {
 885                                                 $entry_content = $entry_content["encoded"];
 886                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 887                                         }
 888                                 }
 889
 890                                 if ($_REQUEST["xdebug"] == 2) {
 891                                         print "update_rss_feed: content: ";
 892                                         print_r(htmlspecialchars($entry_content));
 893                                 }
 894
 895                                 $entry_content_unescaped = $entry_content;
 896
 897                                 if ($use_simplepie) {
 898                                         $entry_comments = strip_tags($item->data["comments"]);
 899                                         if ($item->get_author()) {
 900                                                 $entry_author_item = $item->get_author();
 901                                                 $entry_author = $entry_author_item->get_name();
 902                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 903
 904                                                 $entry_author = db_escape_string($entry_author);
 905                                         }
 906                                 } else {
 907                                         $entry_comments = strip_tags($item["comments"]);
 908
 909                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 910
 911                                         if ($item['author']) {
 912
 913                                                 if (is_array($item['author'])) {
 914
 915                                                         if (!$entry_author) {
 916                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 917                                                         }
 918
 919                                                         if (!$entry_author) {
 920                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 921                                                         }
 922                                                 }
 923
 924                                                 if (!$entry_author) {
 925                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 926                                                 }
 927                                         }
 928                                 }
 929
 930                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 931
 932                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 933                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 934
 935                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 936                                         WHERE guid = '$entry_guid'");
 937
 938                                 $entry_content = db_escape_string($entry_content);
 939
 940                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 941
 942                                 $entry_title = db_escape_string($entry_title);
 943                                 $entry_link = db_escape_string($entry_link);
 944                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 945                                 $entry_author = mb_substr($entry_author, 0, 250);
 946
 947                                 if ($use_simplepie) {
 948                                         $num_comments = 0; #FIXME#
 949                                 } else {
 950                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 951                                 }
 952
 953                                 if (!$num_comments) $num_comments = 0;
 954
 955                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 956                                         _debug("update_rss_feed: looking for tags [1]...");
 957                                 }
 958
 959                                 // parse <category> entries into tags
 960
 961                                 $additional_tags = array();
 962
 963                                 if ($use_simplepie) {
 964
 965                                         $additional_tags_src = $item->get_categories();
 966
 967                                         if (is_array($additional_tags_src)) {
 968                                                 foreach ($additional_tags_src as $tobj) {
 969                                                         array_push($additional_tags, $tobj->get_term());
 970                                                 }
 971                                         }
 972
 973                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 974                                                 _debug("update_rss_feed: category tags:");
 975                                                 print_r($additional_tags);
 976                                         }
 977
 978                                 } else {
 979
 980                                         $t_ctr = $item['category#'];
 981
 982                                         if ($t_ctr == 0) {
 983                                                 $additional_tags = array();
 984                                         } else if ($t_ctr > 0) {
 985                                                 $additional_tags = array($item['category']);
 986
 987                                                 if ($item['category@term']) {
 988                                                         array_push($additional_tags, $item['category@term']);
 989                                                 }
 990
 991                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 992                                                         if ($item["category#$i"]) {
 993                                                                 array_push($additional_tags, $item["category#$i"]);
 994                                                         }
 995
 996                                                         if ($item["category#$i@term"]) {
 997                                                                 array_push($additional_tags, $item["category#$i@term"]);
 998                                                         }
 999                                                 }
1000                                         }
1001
1002                                         // parse <dc:subject> elements
1003
1004                                         $t_ctr = $item['dc']['subject#'];
1005
1006                                         if ($t_ctr > 0) {
1007                                                 array_push($additional_tags, $item['dc']['subject']);
1008
1009                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1010                                                         if ($item['dc']["subject#$i"]) {
1011                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1012                                                         }
1013                                                 }
1014                                         }
1015                                 }
1016
1017                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1018                                         _debug("update_rss_feed: looking for tags [2]...");
1019                                 }
1020
1021                                 /* taaaags */
1022                                 // <a href="..." rel="tag">Xorg</a>, //
1023
1024                                 $entry_tags = null;
1025
1026                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?\>([^<]+)<\/a>/i",
1027                                         $entry_content_unescaped, $entry_tags);
1028
1029                                 $entry_tags = $entry_tags[1];
1030
1031                                 $entry_tags = array_merge($entry_tags, $additional_tags);
1032                                 $entry_tags = array_unique($entry_tags);
1033
1034                                 for ($i = 0; $i < count($entry_tags); $i++)
1035                                         $entry_tags[$i] = mb_strtolower($entry_tags[$i], 'utf-8');
1036
1037                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1038                                         _debug("update_rss_feed: unfiltered tags found:");
1039                                         print_r($entry_tags);
1040                                 }
1041
1042                                 # sanitize content
1043
1044                                 $entry_content = sanitize_article_content($entry_content);
1045                                 $entry_title = sanitize_article_content($entry_title);
1046
1047                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1048                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1049                                 }
1050
1051                                 db_query($link, "BEGIN");
1052
1053                                 if (db_num_rows($result) == 0) {
1054
1055                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1056                                                 _debug("update_rss_feed: base guid not found");
1057                                         }
1058
1059                                         // base post entry does not exist, create it
1060
1061                                         $result = db_query($link,
1062                                                 "INSERT INTO ttrss_entries
1063                                                         (title,
1064                                                         guid,
1065                                                         link,
1066                                                         updated,
1067                                                         content,
1068                                                         content_hash,
1069                                                         no_orig_date,
1070                                                         date_updated,
1071                                                         date_entered,
1072                                                         comments,
1073                                                         num_comments,
1074                                                         author)
1075                                                 VALUES
1076                                                         ('$entry_title',
1077                                                         '$entry_guid',
1078                                                         '$entry_link',
1079                                                         '$entry_timestamp_fmt',
1080                                                         '$entry_content',
1081                                                         '$content_hash',
1082                                                         $no_orig_date,
1083                                                         NOW(),
1084                                                         NOW(),
1085                                                         '$entry_comments',
1086                                                         '$num_comments',
1087                                                         '$entry_author')");
1088                                 } else {
1089                                         // we keep encountering the entry in feeds, so we need to
1090                                         // update date_updated column so that we don't get horrible
1091                                         // dupes when the entry gets purged and reinserted again e.g.
1092                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1093
1094                                         $base_entry_id = db_fetch_result($result, 0, "id");
1095
1096                                         db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()
1097                                                 WHERE id = '$base_entry_id'");
1098                                 }
1099
1100                                 // now it should exist, if not - bad luck then
1101
1102                                 $result = db_query($link, "SELECT
1103                                                 id,content_hash,no_orig_date,title,
1104                                                 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
1105                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1106                                                 num_comments
1107                                         FROM
1108                                                 ttrss_entries
1109                                         WHERE guid = '$entry_guid'");
1110
1111                                 $entry_ref_id = 0;
1112                                 $entry_int_id = 0;
1113
1114                                 if (db_num_rows($result) == 1) {
1115
1116                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1117                                                 _debug("update_rss_feed: base guid found, checking for user record");
1118                                         }
1119
1120                                         // this will be used below in update handler
1121                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1122                                         $orig_title = db_fetch_result($result, 0, "title");
1123                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1124                                         $orig_date_updated = strtotime(db_fetch_result($result,
1125                                                 0, "date_updated"));
1126
1127                                         $ref_id = db_fetch_result($result, 0, "id");
1128                                         $entry_ref_id = $ref_id;
1129
1130                                         // check for user post link to main table
1131
1132                                         // do we allow duplicate posts with same GUID in different feeds?
1133                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1134                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1135                                         } else {
1136                                                 $dupcheck_qpart = "";
1137                                         }
1138
1139                                         /* Collect article tags here so we could filter by them: */
1140
1141                                         $article_filters = get_article_filters($filters, $entry_title,
1142                                                 $entry_content, $entry_link, $entry_timestamp, $entry_author,
1143                                                 $entry_tags);
1144
1145                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1146                                                 _debug("update_rss_feed: article filters: ");
1147                                                 if (count($article_filters) != 0) {
1148                                                         print_r($article_filters);
1149                                                 }
1150                                         }
1151
1152                                         if (find_article_filter($article_filters, "filter")) {
1153                                                 db_query($link, "COMMIT"); // close transaction in progress
1154                                                 continue;
1155                                         }
1156
1157                                         $score = calculate_article_score($article_filters);
1158
1159                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1160                                                 _debug("update_rss_feed: initial score: $score");
1161                                         }
1162
1163                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1164                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1165                                                         $dupcheck_qpart";
1166
1167 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1168
1169                                         $result = db_query($link, $query);
1170
1171                                         // okay it doesn't exist - create user entry
1172                                         if (db_num_rows($result) == 0) {
1173
1174                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1175                                                         _debug("update_rss_feed: user record not found, creating...");
1176                                                 }
1177
1178                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1179                                                         $unread = 'true';
1180                                                         $last_read_qpart = 'NULL';
1181                                                 } else {
1182                                                         $unread = 'false';
1183                                                         $last_read_qpart = 'NOW()';
1184                                                 }
1185
1186                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1187                                                         $marked = 'true';
1188                                                 } else {
1189                                                         $marked = 'false';
1190                                                 }
1191
1192                                                 if (find_article_filter($article_filters, 'publish')) {
1193                                                         $published = 'true';
1194                                                 } else {
1195                                                         $published = 'false';
1196                                                 }
1197
1198                                                 $result = db_query($link,
1199                                                         "INSERT INTO ttrss_user_entries
1200                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1201                                                                         published, score, tag_cache, label_cache)
1202                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1203                                                                 $last_read_qpart, $marked, $published, '$score', '', '')");
1204
1205                                                 $result = db_query($link,
1206                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1207                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1208                                                                 feed_id = '$feed' LIMIT 1");
1209
1210                                                 if (db_num_rows($result) == 1) {
1211                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1212                                                 }
1213                                         } else {
1214                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1215                                                         _debug("update_rss_feed: user record FOUND");
1216                                                 }
1217
1218                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1219                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1220                                         }
1221
1222                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1223                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1224                                         }
1225
1226                                         $post_needs_update = false;
1227
1228                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1229                                                 ($content_hash != $orig_content_hash)) {
1230 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1231                                                 $post_needs_update = true;
1232                                         }
1233
1234                                         if (db_escape_string($orig_title) != $entry_title) {
1235                                                 $post_needs_update = true;
1236                                         }
1237
1238                                         if ($orig_num_comments != $num_comments) {
1239                                                 $post_needs_update = true;
1240                                         }
1241
1242 //                                      this doesn't seem to be very reliable
1243 //
1244 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1245 //                                              $post_needs_update = true;
1246 //                                      }
1247
1248                                         // if post needs update, update it and mark all user entries
1249                                         // linking to this post as updated
1250                                         if ($post_needs_update) {
1251
1252                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1253                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1254                                                 }
1255
1256 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1257
1258                                                 db_query($link, "UPDATE ttrss_entries
1259                                                         SET title = '$entry_title', content = '$entry_content',
1260                                                                 content_hash = '$content_hash',
1261                                                                 num_comments = '$num_comments'
1262                                                         WHERE id = '$ref_id'");
1263
1264                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1265                                                         db_query($link, "UPDATE ttrss_user_entries
1266                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1267                                                 } else {
1268                                                         db_query($link, "UPDATE ttrss_user_entries
1269                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1270                                                 }
1271
1272                                         }
1273                                 }
1274
1275                                 db_query($link, "COMMIT");
1276
1277                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1278                                         _debug("update_rss_feed: assigning labels...");
1279                                 }
1280
1281                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1282                                         $owner_uid);
1283
1284                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1285                                         _debug("update_rss_feed: looking for enclosures...");
1286                                 }
1287
1288                                 // enclosures
1289
1290                                 $enclosures = array();
1291
1292                                 if ($use_simplepie) {
1293                                         $encs = $item->get_enclosures();
1294
1295                                         if (is_array($encs)) {
1296                                                 foreach ($encs as $e) {
1297                                                         $e_item = array(
1298                                                                 $e->link, $e->type, $e->length);
1299
1300                                                         array_push($enclosures, $e_item);
1301                                                 }
1302                                         }
1303
1304                                 } else {
1305                                         // <enclosure>
1306
1307                                         $e_ctr = $item['enclosure#'];
1308
1309                                         if ($e_ctr > 0) {
1310                                                 $e_item = array($item['enclosure@url'],
1311                                                         $item['enclosure@type'],
1312                                                         $item['enclosure@length']);
1313
1314                                                 array_push($enclosures, $e_item);
1315
1316                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1317
1318                                                         if ($item["enclosure#$i@url"]) {
1319                                                                 $e_item = array($item["enclosure#$i@url"],
1320                                                                         $item["enclosure#$i@type"],
1321                                                                         $item["enclosure#$i@length"]);
1322                                                                 array_push($enclosures, $e_item);
1323                                                         }
1324                                                 }
1325                                         }
1326
1327                                         // <media:content>
1328                                         // can there be many of those? yes -fox
1329
1330                                         $m_ctr = $item['media']['content#'];
1331
1332                                         if ($m_ctr > 0) {
1333                                                 $e_item = array($item['media']['content@url'],
1334                                                         $item['media']['content@medium'],
1335                                                         $item['media']['content@length']);
1336
1337                                                 array_push($enclosures, $e_item);
1338
1339                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1340
1341                                                         if ($item["media"]["content#$i@url"]) {
1342                                                                 $e_item = array($item["media"]["content#$i@url"],
1343                                                                         $item["media"]["content#$i@medium"],
1344                                                                         $item["media"]["content#$i@length"]);
1345                                                                 array_push($enclosures, $e_item);
1346                                                         }
1347                                                 }
1348
1349                                         }
1350                                 }
1351
1352
1353                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1354                                         _debug("update_rss_feed: article enclosures:");
1355                                         print_r($enclosures);
1356                                 }
1357
1358                                 db_query($link, "BEGIN");
1359
1360                                 foreach ($enclosures as $enc) {
1361                                         $enc_url = db_escape_string($enc[0]);
1362                                         $enc_type = db_escape_string($enc[1]);
1363                                         $enc_dur = db_escape_string($enc[2]);
1364
1365                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1366                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1367
1368                                         if (db_num_rows($result) == 0) {
1369                                                 db_query($link, "INSERT INTO ttrss_enclosures
1370                                                         (content_url, content_type, title, duration, post_id) VALUES
1371                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1372                                         }
1373                                 }
1374
1375                                 db_query($link, "COMMIT");
1376
1377                                 // check for manual tags (we have to do it here since they're loaded from filters)
1378
1379                                 foreach ($article_filters as $f) {
1380                                         if ($f[0] == "tag") {
1381
1382                                                 $manual_tags = trim_array(split(",", $f[1]));
1383
1384                                                 foreach ($manual_tags as $tag) {
1385                                                         if (tag_is_valid($tag)) {
1386                                                                 array_push($entry_tags, $tag);
1387                                                         }
1388                                                 }
1389                                         }
1390                                 }
1391
1392                                 // Skip boring tags
1393
1394                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1395                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1396
1397                                 $filtered_tags = array();
1398                                 $tags_to_cache = array();
1399
1400                                 if ($entry_tags && is_array($entry_tags)) {
1401                                         foreach ($entry_tags as $tag) {
1402                                                 if (array_search($tag, $boring_tags) === false) {
1403                                                         array_push($filtered_tags, $tag);
1404                                                 }
1405                                         }
1406                                 }
1407
1408                                 $filtered_tags = array_unique($filtered_tags);
1409
1410                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1411                                         _debug("update_rss_feed: filtered article tags:");
1412                                         print_r($filtered_tags);
1413                                 }
1414
1415                                 // Save article tags in the database
1416
1417                                 if (count($filtered_tags) > 0) {
1418
1419                                         db_query($link, "BEGIN");
1420
1421                                         foreach ($filtered_tags as $tag) {
1422
1423                                                 $tag = sanitize_tag($tag);
1424                                                 $tag = db_escape_string($tag);
1425
1426                                                 if (!tag_is_valid($tag)) continue;
1427
1428                                                 $result = db_query($link, "SELECT id FROM ttrss_tags
1429                                                         WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1430                                                         owner_uid = '$owner_uid' LIMIT 1");
1431
1432                                                         if ($result && db_num_rows($result) == 0) {
1433
1434                                                                 db_query($link, "INSERT INTO ttrss_tags
1435                                                                         (owner_uid,tag_name,post_int_id)
1436                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1437                                                         }
1438
1439                                                 array_push($tags_to_cache, $tag);
1440                                         }
1441
1442                                         /* update the cache */
1443
1444                                         $tags_to_cache = array_unique($tags_to_cache);
1445
1446                                         $tags_str = db_escape_string(join(",", $tags_to_cache));
1447
1448                                         db_query($link, "UPDATE ttrss_user_entries
1449                                                 SET tag_cache = '$tags_str' WHERE ref_id = '$entry_ref_id'
1450                                                 AND owner_uid = $owner_uid");
1451
1452                                         db_query($link, "COMMIT");
1453                                 }
1454
1455                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1456                                         _debug("update_rss_feed: article processed");
1457                                 }
1458                         }
1459
1460                         if (!$last_updated) {
1461                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1462                                         _debug("update_rss_feed: new feed, catching it up...");
1463                                 }
1464                                 catchup_feed($link, $feed, false, $owner_uid);
1465                         }
1466
1467                         purge_feed($link, $feed, 0);
1468
1469                         db_query($link, "UPDATE ttrss_feeds
1470                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1471
1472 //                      db_query($link, "COMMIT");
1473
1474                 } else {
1475
1476                         if ($use_simplepie) {
1477                                 $error_msg = mb_substr($rss->error(), 0, 250);
1478                         } else {
1479                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1480                         }
1481
1482                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1483                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1484                         }
1485
1486                         $error_msg = db_escape_string($error_msg);
1487
1488                         db_query($link,
1489                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1490                                         last_updated = NOW() WHERE id = '$feed'");
1491                 }
1492
1493                 if ($use_simplepie) {
1494                         unset($rss);
1495                 }
1496
1497                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1498                         _debug("update_rss_feed: done");
1499                 }
1500
1501         }
1502
1503         function print_select($id, $default, $values, $attributes = "") {
1504                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1505                 foreach ($values as $v) {
1506                         if ($v == $default)
1507                                 $sel = " selected";
1508                          else
1509                                 $sel = "";
1510
1511                         print "<option$sel>$v</option>";
1512                 }
1513                 print "</select>";
1514         }
1515
1516         function print_select_hash($id, $default, $values, $attributes = "") {
1517                 print "<select name=\"$id\" id='$id' $attributes>";
1518                 foreach (array_keys($values) as $v) {
1519                         if ($v == $default)
1520                                 $sel = 'selected="selected"';
1521                          else
1522                                 $sel = "";
1523
1524                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1525                 }
1526
1527                 print "</select>";
1528         }
1529
1530         function get_article_filters($filters, $title, $content, $link, $timestamp, $author, $tags) {
1531                 $matches = array();
1532
1533                 if ($filters["title"]) {
1534                         foreach ($filters["title"] as $filter) {
1535                                 $reg_exp = $filter["reg_exp"];
1536                                 $inverse = $filter["inverse"];
1537                                 if ((!$inverse && @preg_match("/$reg_exp/i", $title)) ||
1538                                                 ($inverse && !@preg_match("/$reg_exp/i", $title))) {
1539
1540                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1541                                 }
1542                         }
1543                 }
1544
1545                 if ($filters["content"]) {
1546                         foreach ($filters["content"] as $filter) {
1547                                 $reg_exp = $filter["reg_exp"];
1548                                 $inverse = $filter["inverse"];
1549
1550                                 if ((!$inverse && @preg_match("/$reg_exp/i", $content)) ||
1551                                                 ($inverse && !@preg_match("/$reg_exp/i", $content))) {
1552
1553                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1554                                 }
1555                         }
1556                 }
1557
1558                 if ($filters["both"]) {
1559                         foreach ($filters["both"] as $filter) {
1560                                 $reg_exp = $filter["reg_exp"];
1561                                 $inverse = $filter["inverse"];
1562
1563                                 if ($inverse) {
1564                                         if (!@preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1565                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1566                                         }
1567                                 } else {
1568                                         if (@preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1569                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1570                                         }
1571                                 }
1572                         }
1573                 }
1574
1575                 if ($filters["link"]) {
1576                         $reg_exp = $filter["reg_exp"];
1577                         foreach ($filters["link"] as $filter) {
1578                                 $reg_exp = $filter["reg_exp"];
1579                                 $inverse = $filter["inverse"];
1580
1581                                 if ((!$inverse && @preg_match("/$reg_exp/i", $link)) ||
1582                                                 ($inverse && !@preg_match("/$reg_exp/i", $link))) {
1583
1584                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1585                                 }
1586                         }
1587                 }
1588
1589                 if ($filters["date"]) {
1590                         $reg_exp = $filter["reg_exp"];
1591                         foreach ($filters["date"] as $filter) {
1592                                 $date_modifier = $filter["filter_param"];
1593                                 $inverse = $filter["inverse"];
1594                                 $check_timestamp = strtotime($filter["reg_exp"]);
1595
1596                                 # no-op when timestamp doesn't parse to prevent misfires
1597
1598                                 if ($check_timestamp) {
1599                                         $match_ok = false;
1600
1601                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1602                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1603                                                         $match_ok = true;
1604                                         }
1605
1606                                         if ($inverse) $match_ok = !$match_ok;
1607
1608                                         if ($match_ok) {
1609                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1610                                         }
1611                                 }
1612                         }
1613                 }
1614
1615                 if ($filters["author"]) {
1616                         foreach ($filters["author"] as $filter) {
1617                                 $reg_exp = $filter["reg_exp"];
1618                                 $inverse = $filter["inverse"];
1619                                 if ((!$inverse && @preg_match("/$reg_exp/i", $author)) ||
1620                                                 ($inverse && !@preg_match("/$reg_exp/i", $author))) {
1621
1622                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1623                                 }
1624                         }
1625                 }
1626
1627                 if ($filters["tag"]) {
1628
1629                         $tag_string = join(",", $tags);
1630
1631                         foreach ($filters["tag"] as $filter) {
1632                                 $reg_exp = $filter["reg_exp"];
1633                                 $inverse = $filter["inverse"];
1634
1635                                 if ((!$inverse && @preg_match("/$reg_exp/i", $tag_string)) ||
1636                                                 ($inverse && !@preg_match("/$reg_exp/i", $tag_string))) {
1637
1638                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1639                                 }
1640                         }
1641                 }
1642
1643
1644                 return $matches;
1645         }
1646
1647         function find_article_filter($filters, $filter_name) {
1648                 foreach ($filters as $f) {
1649                         if ($f[0] == $filter_name) {
1650                                 return $f;
1651                         };
1652                 }
1653                 return false;
1654         }
1655
1656         function calculate_article_score($filters) {
1657                 $score = 0;
1658
1659                 foreach ($filters as $f) {
1660                         if ($f[0] == "score") {
1661                                 $score += $f[1];
1662                         };
1663                 }
1664                 return $score;
1665         }
1666
1667         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1668                 foreach ($filters as $f) {
1669                         if ($f[0] == "label") {
1670                                 label_add_article($link, $id, $f[1], $owner_uid);
1671                         };
1672                 }
1673         }
1674
1675         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1676                 $rtl_content = false, $last_updated = false, $last_error = false,
1677                 $fg_content = false, $bg_content = false) {
1678
1679                 if (!$feed_title) $feed_title = getFeedTitle($link, $feed_id, false);
1680                 if (!$unread) $unread = getFeedUnread($link, $feed_id);
1681
1682                 if ($unread > 0) $class .= " Unread";
1683
1684                 if (!$icon_file) $icon_file = getFeedIcon($feed_id);
1685
1686                 if (strpos($icon_file, "images") !== false) {
1687                         $icon_file = theme_image($link, $icon_file);
1688                 }
1689
1690                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1691                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1692                 } else {
1693                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1694                 }
1695
1696                 if ($rtl_content) {
1697                         $rtl_tag = "dir=\"rtl\"";
1698                 } else {
1699                         $rtl_tag = "dir=\"ltr\"";
1700                 }
1701
1702                 $error_notify_msg = "";
1703
1704                 if ($last_error) {
1705                         $link_title = "Error: $last_error ($last_updated)";
1706                         $error_notify_msg = "(Error)";
1707                 } else if ($last_updated) {
1708                         $link_title = "Updated: $last_updated";
1709                 }
1710
1711                 $feed_title = truncate_string($feed_title, 30);
1712
1713                 $feed = "<span class='feedlink' title=\"$link_title\" id=\"FEEDL-$feed_id\" href=\"#\"
1714                         onclick=\"viewfeed('$feed_id');\">$feed_title</span>";
1715
1716 /*              if ($feed_id < -10) {
1717                         $bg_color = "#00ccff";
1718                         $fg_color = "white";
1719                 }
1720
1721                 if ($fg_color || $bg_color) {
1722                         $color_str = "<div class='labelColorIndicator'
1723                                 style='color : $fg_color; background-color : $bg_color'>l</div>";
1724                 }
1725
1726                 print $color_str; */
1727
1728                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1729                 print "$feed_icon";
1730                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1731
1732                 if ($unread != 0) {
1733                         $fctr_class = "class=\"feedCtr Unread\"";
1734                 } else {
1735                         $fctr_class = "class=\"feedCtr\"";
1736                 }
1737
1738                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1739                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1740
1741                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1742                         $total = getFeedArticles($link, $feed_id);
1743                         print "<div class=\"feedExtInfo\">
1744                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1745                 }
1746
1747                 print "</li>";
1748
1749         }
1750
1751         function getmicrotime() {
1752                 list($usec, $sec) = explode(" ",microtime());
1753                 return ((float)$usec + (float)$sec);
1754         }
1755
1756         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1757                 foreach ($values as $v) {
1758
1759                         if ($v == $default)
1760                                 $sel = "checked";
1761                          else
1762                                 $sel = "";
1763
1764                         if ($v == $true_is) {
1765                                 $sel .= " value=\"1\"";
1766                         } else {
1767                                 $sel .= " value=\"0\"";
1768                         }
1769
1770                         print "<input class=\"noborder\"
1771                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1772
1773                 }
1774         }
1775
1776         function initialize_user_prefs($link, $uid, $profile = false) {
1777
1778                 $uid = db_escape_string($uid);
1779
1780                 if (!$profile) {
1781                         $profile = "NULL";
1782                         $profile_qpart = "AND profile IS NULL";
1783                 } else {
1784                         $profile_qpart = "AND profile = '$profile'";
1785                 }
1786
1787                 if (get_schema_version($link) < 63) $profile_qpart = "";
1788
1789                 db_query($link, "BEGIN");
1790
1791                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1792
1793                 $u_result = db_query($link, "SELECT pref_name
1794                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
1795
1796                 $active_prefs = array();
1797
1798                 while ($line = db_fetch_assoc($u_result)) {
1799                         array_push($active_prefs, $line["pref_name"]);
1800                 }
1801
1802                 while ($line = db_fetch_assoc($result)) {
1803                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1804 //                              print "adding " . $line["pref_name"] . "<br>";
1805
1806                                 if (get_schema_version($link) < 63) {
1807                                         db_query($link, "INSERT INTO ttrss_user_prefs
1808                                                 (owner_uid,pref_name,value) VALUES
1809                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1810
1811                                 } else {
1812                                         db_query($link, "INSERT INTO ttrss_user_prefs
1813                                                 (owner_uid,pref_name,value, profile) VALUES
1814                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1815                                 }
1816
1817                         }
1818                 }
1819
1820                 db_query($link, "COMMIT");
1821
1822         }
1823
1824         function lookup_user_id($link, $user) {
1825
1826                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1827                         login = '$login'");
1828
1829                 if (db_num_rows($result) == 1) {
1830                         return db_fetch_result($result, 0, "id");
1831                 } else {
1832                         return false;
1833                 }
1834         }
1835
1836         function http_authenticate_user($link) {
1837
1838 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1839
1840                 if (!$_SERVER["PHP_AUTH_USER"]) {
1841
1842                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1843                         header('HTTP/1.0 401 Unauthorized');
1844                         exit;
1845
1846                 } else {
1847                         $auth_result = authenticate_user($link,
1848                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1849
1850                         if (!$auth_result) {
1851                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1852                                 header('HTTP/1.0 401 Unauthorized');
1853                                 exit;
1854                         }
1855                 }
1856
1857                 return true;
1858         }
1859
1860         function authenticate_user($link, $login, $password, $force_auth = false) {
1861
1862                 if (!SINGLE_USER_MODE) {
1863
1864                         $pwd_hash1 = encrypt_password($password);
1865                         $pwd_hash2 = encrypt_password($password, $login);
1866                         $login = db_escape_string($login);
1867
1868                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1869                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1870
1871                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1872
1873                                 $query = "SELECT id,login,access_level,pwd_hash
1874                     FROM ttrss_users WHERE
1875                                         login = '$login'";
1876
1877                         } else {
1878                                 $query = "SELECT id,login,access_level,pwd_hash
1879                     FROM ttrss_users WHERE
1880                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1881                                                 pwd_hash = '$pwd_hash2')";
1882                         }
1883
1884                         $result = db_query($link, $query);
1885
1886                         if (db_num_rows($result) == 1) {
1887                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1888                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1889                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1890
1891                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1892                                         $_SESSION["uid"]);
1893
1894                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1895                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1896
1897                                 $_SESSION["last_version_check"] = time();
1898
1899                                 initialize_user_prefs($link, $_SESSION["uid"]);
1900
1901                                 return true;
1902                         }
1903
1904                         return false;
1905
1906                 } else {
1907
1908                         $_SESSION["uid"] = 1;
1909                         $_SESSION["name"] = "admin";
1910
1911                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1912
1913                         initialize_user_prefs($link, $_SESSION["uid"]);
1914
1915                         return true;
1916                 }
1917         }
1918
1919         function make_password($length = 8) {
1920
1921                 $password = "";
1922                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1923
1924         $i = 0;
1925
1926                 while ($i < $length) {
1927                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1928
1929                         if (!strstr($password, $char)) {
1930                                 $password .= $char;
1931                                 $i++;
1932                         }
1933                 }
1934                 return $password;
1935         }
1936
1937         // this is called after user is created to initialize default feeds, labels
1938         // or whatever else
1939
1940         // user preferences are checked on every login, not here
1941
1942         function initialize_user($link, $uid) {
1943
1944                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1945                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1946                         'http://tt-rss.org/releases.rss')");
1947
1948                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1949                         values ('$uid', 'Tiny Tiny RSS: Forum',
1950                                 'http://tt-rss.org/forum/rss.php')");
1951         }
1952
1953         function logout_user() {
1954                 session_destroy();
1955                 if (isset($_COOKIE[session_name()])) {
1956                    setcookie(session_name(), '', time()-42000, '/');
1957                 }
1958         }
1959
1960         function get_script_urlpath() {
1961                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1962         }
1963
1964         function validate_session($link) {
1965                 if (SINGLE_USER_MODE) {
1966                         return true;
1967                 }
1968
1969                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1970                         if ($_SESSION["ip_address"]) {
1971                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1972                                         $_SESSION["login_error_msg"] = __("Session failed to validate (incorrect IP)");
1973                                         return false;
1974                                 }
1975                         }
1976                 }
1977
1978                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true)) {
1979                         return false;
1980                 }
1981
1982                 if ($_SESSION["uid"]) {
1983
1984                         $result = db_query($link,
1985                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1986
1987                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1988
1989                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1990                                 return false;
1991                         }
1992                 }
1993
1994 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1995
1996                         //print_r($_SESSION);
1997
1998                         if (time() > $_SESSION["cookie_lifetime"]) {
1999                                 return false;
2000                         }
2001                 } */
2002
2003                 return true;
2004         }
2005
2006         function login_sequence($link, $mobile = false) {
2007                 if (!SINGLE_USER_MODE) {
2008
2009                         $login_action = $_POST["login_action"];
2010
2011                         # try to authenticate user if called from login form
2012                         if ($login_action == "do_login") {
2013                                 $login = $_POST["login"];
2014                                 $password = $_POST["password"];
2015                                 $remember_me = $_POST["remember_me"];
2016
2017                                 if (authenticate_user($link, $login, $password)) {
2018                                         $_POST["password"] = "";
2019
2020                                         $_SESSION["language"] = $_POST["language"];
2021                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
2022                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
2023
2024                                         if ($_POST["profile"]) {
2025
2026                                                 $profile = db_escape_string($_POST["profile"]);
2027
2028                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
2029                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
2030
2031                                                 if (db_num_rows($result) != 0) {
2032                                                         $_SESSION["profile"] = $profile;
2033                                                         $_SESSION["prefs_cache"] = array();
2034                                                 }
2035                                         }
2036
2037                                         header("Location: " . $_SERVER["REQUEST_URI"]);
2038                                         exit;
2039
2040                                         return;
2041                                 } else {
2042                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
2043                                 }
2044                         }
2045
2046                         if (!$_SESSION["uid"] || !validate_session($link)) {
2047                                 render_login_form($link, $mobile);
2048                                 //header("Location: login.php");
2049                                 exit;
2050                         } else {
2051                                 /* bump login timestamp */
2052                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
2053                                         $_SESSION["uid"]);
2054
2055                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
2056                                         setcookie("ttrss_lang", $_SESSION["language"],
2057                                                 time() + SESSION_COOKIE_LIFETIME);
2058                                 }
2059                         }
2060
2061                 } else {
2062                         return authenticate_user($link, "admin", null);
2063                 }
2064         }
2065
2066         function truncate_string($str, $max_len) {
2067                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
2068                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
2069                 } else {
2070                         return $str;
2071                 }
2072         }
2073
2074         function theme_image($link, $filename) {
2075                 if ($link) {
2076                         $theme_path = get_user_theme_path($link);
2077
2078                         if ($theme_path && is_file($theme_path.$filename)) {
2079                                 return $theme_path.$filename;
2080                         } else {
2081                                 return $filename;
2082                         }
2083                 } else {
2084                         return $filename;
2085                 }
2086         }
2087
2088         function get_user_theme($link) {
2089
2090                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2091                         $theme_name = get_pref($link, "_THEME_ID");
2092                         if (is_dir("themes/$theme_name")) {
2093                                 return $theme_name;
2094                         } else {
2095                                 return '';
2096                         }
2097                 } else {
2098                         return '';
2099                 }
2100
2101         }
2102
2103         function get_user_theme_path($link) {
2104                 $theme_path = '';
2105
2106                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2107                         $theme_name = get_pref($link, "_THEME_ID");
2108
2109                         if ($theme_name && is_dir("themes/$theme_name")) {
2110                                 $theme_path = "themes/$theme_name/";
2111                         } else {
2112                                 $theme_name = '';
2113                         }
2114                 } else {
2115                         $theme_path = '';
2116                 }
2117
2118                 return $theme_path;
2119         }
2120
2121         function get_user_theme_options($link) {
2122                 $t = get_user_theme_path($link);
2123
2124                 if ($t) {
2125                         if (is_file("$t/theme.ini")) {
2126                                 $ini = parse_ini_file("$t/theme.ini", true);
2127                                 if ($ini['theme']['version']) {
2128                                         return $ini['theme']['options'];
2129                                 }
2130                         }
2131                 }
2132                 return '';
2133         }
2134
2135
2136         function get_all_themes() {
2137                 $themes = glob("themes/*");
2138
2139                 asort($themes);
2140
2141                 $rv = array();
2142
2143                 foreach ($themes as $t) {
2144                         if (is_file("$t/theme.ini")) {
2145                                 $ini = parse_ini_file("$t/theme.ini", true);
2146                                 if ($ini['theme']['version'] && !$ini['theme']['disabled']) {
2147                                         $entry = array();
2148                                         $entry["path"] = $t;
2149                                         $entry["base"] = basename($t);
2150                                         $entry["name"] = $ini['theme']['name'];
2151                                         $entry["version"] = $ini['theme']['version'];
2152                                         $entry["author"] = $ini['theme']['author'];
2153                                         $entry["options"] = $ini['theme']['options'];
2154                                         array_push($rv, $entry);
2155                                 }
2156                         }
2157                 }
2158
2159                 return $rv;
2160         }
2161
2162         function make_local_datetime($link, $timestamp, $long, $owner_uid = false,
2163                                         $no_smart_dt = false) {
2164
2165                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2166                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
2167
2168                 $user_tz_string = get_pref($link, 'USER_TIMEZONE', $owner_uid);
2169
2170                 try {
2171                         $user_tz = new DateTimeZone($user_tz_string);
2172                 } catch (Exception $e) {
2173                         $user_tz = new DateTimeZone('UTC');
2174                 }
2175
2176                 # We store date in UTC internally
2177                 $dt = new DateTime($timestamp, new DateTimeZone('UTC'));
2178                 $user_timestamp = $dt->format('U') + $user_tz->getOffset($dt);
2179
2180                 if (!$no_smart_dt && get_pref($link, 'HEADLINES_SMART_DATE', $owner_uid)) {
2181                         return smart_date_time($link, $user_timestamp,
2182                                 $user_tz->getOffset($dt), $owner_uid);
2183                 } else {
2184                         if ($long)
2185                                 $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2186                         else
2187                                 $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2188
2189                         return date($format, $user_timestamp);
2190                 }
2191         }
2192
2193         function smart_date_time($link, $timestamp, $tz_offset = 0, $owner_uid = false) {
2194                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2195
2196                 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
2197                         return date("G:i", $timestamp);
2198                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
2199                         $format = get_pref($link, 'SHORT_DATE_FORMAT', $owner_uid);
2200                         return date($format, $timestamp);
2201                 } else {
2202                         $format = get_pref($link, 'LONG_DATE_FORMAT', $owner_uid);
2203                         return date($format, $timestamp);
2204                 }
2205         }
2206
2207         function smart_date($timestamp) {
2208                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2209                         return "Today";
2210                 } else if (date("Y", $timestamp) == date("Y")) {
2211                         return date("D m", $timestamp);
2212                 } else {
2213                         return date("Y/m/d", $timestamp);
2214                 }
2215         }
2216
2217         function sql_bool_to_string($s) {
2218                 if ($s == "t" || $s == "1") {
2219                         return "true";
2220                 } else {
2221                         return "false";
2222                 }
2223         }
2224
2225         function sql_bool_to_bool($s) {
2226                 if ($s == "t" || $s == "1") {
2227                         return true;
2228                 } else {
2229                         return false;
2230                 }
2231         }
2232
2233         function bool_to_sql_bool($s) {
2234                 if ($s) {
2235                         return "true";
2236                 } else {
2237                         return "false";
2238                 }
2239         }
2240
2241         function toggleEvenOdd($a) {
2242                 if ($a == "even")
2243                         return "odd";
2244                 else
2245                         return "even";
2246         }
2247
2248         function get_schema_version($link, $nocache = false) {
2249                 if (!$_SESSION["schema_version"] || $nocache) {
2250                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2251                         $version = db_fetch_result($result, 0, "schema_version");
2252                         $_SESSION["schema_version"] = $version;
2253                         return $version;
2254                 } else {
2255                         return $_SESSION["schema_version"];
2256                 }
2257         }
2258
2259         function sanity_check($link) {
2260
2261                 $error_code = 0;
2262                 $schema_version = get_schema_version($link);
2263
2264                 if ($schema_version != SCHEMA_VERSION) {
2265                         $error_code = 5;
2266                 }
2267
2268                 if (DB_TYPE == "mysql") {
2269                         $result = db_query($link, "SELECT true", false);
2270                         if (db_num_rows($result) != 1) {
2271                                 $error_code = 10;
2272                         }
2273                 }
2274
2275                 if (db_escape_string("testTEST") != "testTEST") {
2276                         $error_code = 12;
2277                 }
2278
2279                 if ($error_code != 0) {
2280                         print_error_xml($error_code);
2281                         return false;
2282                 } else {
2283                         return true;
2284                 }
2285         }
2286
2287         function file_is_locked($filename) {
2288                 if (function_exists('flock')) {
2289                         $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
2290                         if ($fp) {
2291                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2292                                         flock($fp, LOCK_UN);
2293                                         fclose($fp);
2294                                         return false;
2295                                 }
2296                                 fclose($fp);
2297                                 return true;
2298                         } else {
2299                                 return false;
2300                         }
2301                 }
2302                 return true; // consider the file always locked and skip the test
2303         }
2304
2305         function make_lockfile($filename) {
2306                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2307
2308                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2309                         if (function_exists('posix_getpid')) {
2310                                 fwrite($fp, posix_getpid() . "\n");
2311                         }
2312                         return $fp;
2313                 } else {
2314                         return false;
2315                 }
2316         }
2317
2318         function make_stampfile($filename) {
2319                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2320
2321                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2322                         fwrite($fp, time() . "\n");
2323                         flock($fp, LOCK_UN);
2324                         fclose($fp);
2325                         return true;
2326                 } else {
2327                         return false;
2328                 }
2329         }
2330
2331         function sql_random_function() {
2332                 if (DB_TYPE == "mysql") {
2333                         return "RAND()";
2334                 } else {
2335                         return "RANDOM()";
2336                 }
2337         }
2338
2339         function catchup_feed($link, $feed, $cat_view, $owner_uid = false) {
2340
2341                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2342
2343                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2344
2345                                 if ($cat_view) {
2346
2347                                         if ($feed >= 0) {
2348
2349                                                 if ($feed > 0) {
2350                                                         $cat_qpart = "cat_id = '$feed'";
2351                                                 } else {
2352                                                         $cat_qpart = "cat_id IS NULL";
2353                                                 }
2354
2355                                                 $tmp_result = db_query($link, "SELECT id
2356                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2357
2358                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2359
2360                                                         $tmp_feed = $tmp_line["id"];
2361
2362                                                         db_query($link, "UPDATE ttrss_user_entries
2363                                                                 SET unread = false,last_read = NOW()
2364                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2365                                                 }
2366                                         } else if ($feed == -2) {
2367
2368
2369                                                 db_query($link, "UPDATE ttrss_user_entries
2370                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2371                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2372                                                         AND unread = true AND owner_uid = $owner_uid");
2373                                         }
2374
2375                                 } else if ($feed > 0) {
2376
2377                                         db_query($link, "UPDATE ttrss_user_entries
2378                                                         SET unread = false,last_read = NOW()
2379                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2380
2381                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2382
2383                                         if ($feed == -1) {
2384                                                 db_query($link, "UPDATE ttrss_user_entries
2385                                                         SET unread = false,last_read = NOW()
2386                                                         WHERE marked = true AND owner_uid = $owner_uid");
2387                                         }
2388
2389                                         if ($feed == -2) {
2390                                                 db_query($link, "UPDATE ttrss_user_entries
2391                                                         SET unread = false,last_read = NOW()
2392                                                         WHERE published = true AND owner_uid = $owner_uid");
2393                                         }
2394
2395                                         if ($feed == -3) {
2396
2397                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2398
2399                                                 if (DB_TYPE == "pgsql") {
2400                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2401                                                 } else {
2402                                                         $match_part = "updated > DATE_SUB(NOW(),
2403                                                                 INTERVAL $intl HOUR) ";
2404                                                 }
2405
2406                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2407                                                         ttrss_user_entries WHERE $match_part AND
2408                                                         unread = true AND
2409                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2410                                                         owner_uid = $owner_uid");
2411
2412                                                 $affected_ids = array();
2413
2414                                                 while ($line = db_fetch_assoc($result)) {
2415                                                         array_push($affected_ids, $line["id"]);
2416                                                 }
2417
2418                                                 catchupArticlesById($link, $affected_ids, 0);
2419                                         }
2420
2421                                         if ($feed == -4) {
2422                                                 db_query($link, "UPDATE ttrss_user_entries
2423                                                         SET unread = false,last_read = NOW()
2424                                                         WHERE owner_uid = $owner_uid");
2425                                         }
2426
2427                                 } else if ($feed < -10) { // label
2428
2429                                         $label_id = -$feed - 11;
2430
2431                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2432                                                 SET unread = false, last_read = NOW()
2433                                                         WHERE label_id = '$label_id' AND unread = true
2434                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2435
2436                                 }
2437
2438                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2439
2440                         } else { // tag
2441                                 db_query($link, "BEGIN");
2442
2443                                 $tag_name = db_escape_string($feed);
2444
2445                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2446                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2447
2448                                 while ($line = db_fetch_assoc($result)) {
2449                                         db_query($link, "UPDATE ttrss_user_entries SET
2450                                                 unread = false, last_read = NOW()
2451                                                 WHERE int_id = " . $line["post_int_id"]);
2452                                 }
2453                                 db_query($link, "COMMIT");
2454                         }
2455         }
2456
2457         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2458                         if ($cat_view) {
2459
2460                                 if ($feed > 0) {
2461                                         $cat_qpart = "cat_id = '$feed'";
2462                                 } else {
2463                                         $cat_qpart = "cat_id IS NULL";
2464                                 }
2465
2466                                 $tmp_result = db_query($link, "SELECT id FROM ttrss_feeds
2467                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2468
2469                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2470                                         $feed_id = $tmp_line["id"];
2471                                         update_rss_feed($link, $feed_id, $force_update);
2472                                 }
2473
2474                         } else {
2475                                 update_rss_feed($link, $feed, $force_update);
2476                         }
2477         }
2478
2479         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2480
2481                 if (!$omode) $omode = "flc";
2482
2483                 $data = getGlobalCounters($link);
2484
2485                 $data = array_merge($data, getVirtCounters($link));
2486
2487                 if (strchr($omode, "l")) $data = array_merge($data, getLabelCounters($link));
2488                 if (strchr($omode, "f")) $data = array_merge($data, getFeedCounters($link, $active_feed));
2489                 if (strchr($omode, "t")) $data = array_merge($data, getTagCounters($link));
2490                 if (strchr($omode, "c")) {
2491                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2492                                 $data = array_merge($data, getCategoryCounters($link));
2493                         }
2494                 }
2495
2496                 return $data;
2497         }
2498
2499         function getCategoryCounters($link) {
2500                 $ret_arr = array();
2501
2502                 /* Labels category */
2503
2504                 $cv = array("id" => -2, "kind" => "cat",
2505                         "counter" => getCategoryUnread($link, -2));
2506
2507                 array_push($ret_arr, $cv);
2508
2509                 $age_qpart = getMaxAgeSubquery();
2510
2511                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2512                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2513                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2514                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2515
2516                 while ($line = db_fetch_assoc($result)) {
2517                         $line["cat_id"] = (int) $line["cat_id"];
2518
2519                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
2520                                 "counter" => $line["unread"]);
2521
2522                         array_push($ret_arr, $cv);
2523                 }
2524
2525                 /* Special case: NULL category doesn't actually exist in the DB */
2526
2527                 $cv = array("id" => 0, "kind" => "cat",
2528                         "counter" => ccache_find($link, 0, $_SESSION["uid"], true));
2529
2530                 array_push($ret_arr, $cv);
2531
2532                 return $ret_arr;
2533         }
2534
2535         function getCategoryUnread($link, $cat, $owner_uid = false) {
2536
2537                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2538
2539                 if ($cat >= 0) {
2540
2541                         if ($cat != 0) {
2542                                 $cat_query = "cat_id = '$cat'";
2543                         } else {
2544                                 $cat_query = "cat_id IS NULL";
2545                         }
2546
2547                         $age_qpart = getMaxAgeSubquery();
2548
2549                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2550                                         AND owner_uid = " . $owner_uid);
2551
2552                         $cat_feeds = array();
2553                         while ($line = db_fetch_assoc($result)) {
2554                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2555                         }
2556
2557                         if (count($cat_feeds) == 0) return 0;
2558
2559                         $match_part = implode(" OR ", $cat_feeds);
2560
2561                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2562                                 FROM ttrss_user_entries,ttrss_entries
2563                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2564                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2565
2566                         $unread = 0;
2567
2568                         # this needs to be rewritten
2569                         while ($line = db_fetch_assoc($result)) {
2570                                 $unread += $line["unread"];
2571                         }
2572
2573                         return $unread;
2574                 } else if ($cat == -1) {
2575                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2576                 } else if ($cat == -2) {
2577
2578                         $result = db_query($link, "
2579                                 SELECT COUNT(unread) AS unread FROM
2580                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2581                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2582                                         ttrss_labels2.owner_uid = '$owner_uid'
2583                                         AND unread = true AND feed_id = ttrss_feeds.id
2584                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2585
2586                         $unread = db_fetch_result($result, 0, "unread");
2587
2588                         return $unread;
2589
2590                 }
2591         }
2592
2593         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2594                 if (DB_TYPE == "pgsql") {
2595                         return "ttrss_entries.date_updated >
2596                                 NOW() - INTERVAL '$days days'";
2597                 } else {
2598                         return "ttrss_entries.date_updated >
2599                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2600                 }
2601         }
2602
2603         function getFeedUnread($link, $feed, $is_cat = false) {
2604                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2605         }
2606
2607         function getLabelUnread($link, $label_id, $owner_uid = false) {
2608                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2609
2610                 $result = db_query($link, "
2611                         SELECT COUNT(unread) AS unread FROM
2612                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2613                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2614                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2615                                 AND unread = true AND feed_id = ttrss_feeds.id
2616                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2617
2618                 if (db_num_rows($result) != 0) {
2619                         return db_fetch_result($result, 0, "unread");
2620                 } else {
2621                         return 0;
2622                 }
2623         }
2624
2625         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2626                 $owner_uid = false) {
2627
2628                 $n_feed = (int) $feed;
2629
2630                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2631
2632                 if ($unread_only) {
2633                         $unread_qpart = "unread = true";
2634                 } else {
2635                         $unread_qpart = "true";
2636                 }
2637
2638                 $age_qpart = getMaxAgeSubquery();
2639
2640                 if ($is_cat) {
2641                         return getCategoryUnread($link, $n_feed, $owner_uid);
2642                 } if ($feed != "0" && $n_feed == 0) {
2643
2644                         $feed = db_escape_string($feed);
2645
2646                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2647                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2648                                         AND ref_id = id AND $age_qpart
2649                                         AND $unread_qpart)) AS count FROM ttrss_tags
2650                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2651                         return db_fetch_result($result, 0, "count");
2652
2653                 } else if ($n_feed == -1) {
2654                         $match_part = "marked = true";
2655                 } else if ($n_feed == -2) {
2656                         $match_part = "published = true";
2657                 } else if ($n_feed == -3) {
2658                         $match_part = "unread = true";
2659
2660                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2661
2662                         if (DB_TYPE == "pgsql") {
2663                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2664                         } else {
2665                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2666                         }
2667                 } else if ($n_feed == -4) {
2668                         $match_part = "true";
2669                 } else if ($n_feed >= 0) {
2670
2671                         if ($n_feed != 0) {
2672                                 $match_part = "feed_id = '$n_feed'";
2673                         } else {
2674                                 $match_part = "feed_id IS NULL";
2675                         }
2676
2677                 } else if ($feed < -10) {
2678
2679                         $label_id = -$feed - 11;
2680
2681                         return getLabelUnread($link, $label_id, $owner_uid);
2682
2683                 }
2684
2685                 if ($match_part) {
2686
2687                         if ($n_feed != 0) {
2688                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2689                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2690                         } else {
2691                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2692                                 $feeds_qpart = '';
2693                         }
2694
2695                         $query = "SELECT count(int_id) AS unread
2696                                 FROM $from_qpart WHERE
2697                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2698                                 $age_qpart AND
2699                                 $feeds_qpart
2700                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2701
2702                         $result = db_query($link, $query);
2703
2704                 } else {
2705
2706                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2707                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2708                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2709                                 AND $unread_qpart AND $age_qpart AND
2710                                         ttrss_tags.owner_uid = " . $owner_uid);
2711                 }
2712
2713                 $unread = db_fetch_result($result, 0, "unread");
2714
2715                 return $unread;
2716         }
2717
2718         function getGlobalUnread($link, $user_id = false) {
2719
2720                 if (!$user_id) {
2721                         $user_id = $_SESSION["uid"];
2722                 }
2723
2724                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2725                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2726
2727                 $c_id = db_fetch_result($result, 0, "c_id");
2728
2729                 return $c_id;
2730         }
2731
2732         function getGlobalCounters($link, $global_unread = -1) {
2733                 $ret_arr = array();
2734
2735                 if ($global_unread == -1) {
2736                         $global_unread = getGlobalUnread($link);
2737                 }
2738
2739                 $cv = array("id" => "global-unread",
2740                         "counter" => $global_unread);
2741
2742                 array_push($ret_arr, $cv);
2743
2744                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2745                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2746
2747                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2748
2749                 $cv = array("id" => "subscribed-feeds",
2750                         "counter" => $subscribed_feeds);
2751
2752                 array_push($ret_arr, $cv);
2753
2754                 return $ret_arr;
2755         }
2756
2757         function getSubscribedFeeds($link) {
2758                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2759                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2760
2761                 return db_fetch_result($result, 0, "fn");
2762         }
2763
2764         function getTagCounters($link) {
2765
2766                 $ret_arr = array();
2767
2768                 $age_qpart = getMaxAgeSubquery();
2769
2770                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2771                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2772                                 AND ref_id = id AND $age_qpart
2773                                 AND unread = true)) AS count FROM ttrss_tags
2774                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2775                                 ORDER BY count DESC LIMIT 55");
2776
2777                 $tags = array();
2778
2779                 while ($line = db_fetch_assoc($result)) {
2780                         $tags[$line["tag_name"]] += $line["count"];
2781                 }
2782
2783                 foreach (array_keys($tags) as $tag) {
2784                         $unread = $tags[$tag];
2785                         $tag = htmlspecialchars($tag);
2786
2787                         $cv = array("id" => $tag,
2788                                 "kind" => "tag",
2789                                 "counter" => $unread);
2790
2791                         array_push($ret_arr, $cv);
2792                 }
2793
2794                 return $ret_arr;
2795         }
2796
2797         function getVirtCounters($link) {
2798
2799                 $ret_arr = array();
2800
2801                 for ($i = 0; $i >= -4; $i--) {
2802
2803                         $count = getFeedUnread($link, $i);
2804
2805                         $cv = array("id" => $i,
2806                                 "counter" => $count);
2807
2808                         if (get_pref($link, 'EXTENDED_FEEDLIST'))
2809                                 $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
2810
2811                         array_push($ret_arr, $cv);
2812                 }
2813
2814                 return $ret_arr;
2815         }
2816
2817         function getLabelCounters($link, $descriptions = false) {
2818
2819                 $ret_arr = array();
2820
2821                 $age_qpart = getMaxAgeSubquery();
2822
2823                 $owner_uid = $_SESSION["uid"];
2824
2825                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2826                         WHERE owner_uid = '$owner_uid'");
2827
2828                 while ($line = db_fetch_assoc($result)) {
2829
2830                         $id = -$line["id"] - 11;
2831
2832                         $label_name = $line["caption"];
2833                         $count = getFeedUnread($link, $id);
2834
2835                         $cv = array("id" => $id,
2836                                 "counter" => $count);
2837
2838                         if ($descriptions)
2839                                 $cv["description"] = $label_name;
2840
2841                         if (get_pref($link, 'EXTENDED_FEEDLIST'))
2842                                 $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2843
2844                         array_push($ret_arr, $cv);
2845                 }
2846
2847                 return $ret_arr;
2848         }
2849
2850         function getFeedCounters($link, $active_feed = false) {
2851
2852                 $ret_arr = array();
2853
2854                 $age_qpart = getMaxAgeSubquery();
2855
2856                 $query = "SELECT ttrss_feeds.id,
2857                                 ttrss_feeds.title,
2858                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2859                                 last_error, value AS count
2860                         FROM ttrss_feeds, ttrss_counters_cache
2861                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2862                                 AND ttrss_counters_cache.feed_id = id";
2863
2864                 $result = db_query($link, $query);
2865                 $fctrs_modified = false;
2866
2867                 while ($line = db_fetch_assoc($result)) {
2868
2869                         $id = $line["id"];
2870                         $count = $line["count"];
2871                         $last_error = htmlspecialchars($line["last_error"]);
2872
2873                         $last_updated = make_local_datetime($link, $line['last_updated'], false);
2874
2875                         $has_img = feed_has_icon($id);
2876
2877                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
2878                                 $last_updated = '';
2879
2880                         $cv = array("id" => $id,
2881                                 "updated" => $last_updated,
2882                                 "counter" => $count,
2883                                 "has_img" => (int) $has_img);
2884
2885                         if ($last_error)
2886                                 $cv["error"] = $last_error;
2887
2888                         if (get_pref($link, 'EXTENDED_FEEDLIST'))
2889                                 $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2890
2891                         if ($active_feed && $id == $active_feed)
2892                                 $cv["title"] = truncate_string($line["title"], 30);
2893
2894                         array_push($ret_arr, $cv);
2895
2896                 }
2897
2898                 return $ret_arr;
2899         }
2900
2901         function get_pgsql_version($link) {
2902                 $result = db_query($link, "SELECT version() AS version");
2903                 $version = split(" ", db_fetch_result($result, 0, "version"));
2904                 return $version[1];
2905         }
2906
2907         function print_error_xml($code, $add_msg = "") {
2908                 global $ERRORS;
2909
2910                 $error_msg = $ERRORS[$code];
2911
2912                 if ($add_msg) {
2913                         $error_msg = "$error_msg; $add_msg";
2914                 }
2915
2916                 print "<rpc-reply>";
2917                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2918                 print "</rpc-reply>";
2919         }
2920
2921         /**
2922          * Subscribes the user to the given feed
2923          *
2924          * @param resource $link       Database connection
2925          * @param string   $url        Feed URL to subscribe to
2926          * @param integer  $cat_id     Category ID the feed shall be added to
2927          * @param string   $auth_login (optional) Feed username
2928          * @param string   $auth_pass  (optional) Feed password
2929          *
2930          * @return integer Status code:
2931          *                 0 - OK, Feed already exists
2932          *                 1 - OK, Feed added
2933          *                 2 - Invalid URL
2934          *                 3 - URL content is HTML, no feeds available
2935          *                 4 - URL content is HTML which contains multiple feeds.
2936          *                     Here you should call extractfeedurls in rpc-backend
2937          *                     to get all possible feeds.
2938          *                 5 - Couldn't download the URL content.
2939          */
2940         function subscribe_to_feed($link, $url, $cat_id = 0,
2941                         $auth_login = '', $auth_pass = '') {
2942
2943                 $url = fix_url($url);
2944                 if (!validate_feed_url($url)) return 2;
2945                 if (!fetch_file_contents($url)) return 5;
2946
2947                 if (url_is_html($url)) {
2948                         $feedUrls = get_feeds_from_html($url);
2949                         if (count($feedUrls) == 0) {
2950                                 return 3;
2951                         } else if (count($feedUrls) > 1) {
2952                                 return 4;
2953                         }
2954                         //use feed url as new URL
2955                         $url = key($feedUrls);
2956                 }
2957
2958                 if ($cat_id == "0" || !$cat_id) {
2959                         $cat_qpart = "NULL";
2960                 } else {
2961                         $cat_qpart = "'$cat_id'";
2962                 }
2963
2964                 $result = db_query($link,
2965                         "SELECT id FROM ttrss_feeds
2966                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2967
2968                 if (db_num_rows($result) == 0) {
2969                         $result = db_query($link,
2970                                 "INSERT INTO ttrss_feeds
2971                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2972                                 VALUES ('".$_SESSION["uid"]."', '$url',
2973                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2974
2975                         $result = db_query($link,
2976                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
2977                                         AND owner_uid = " . $_SESSION["uid"]);
2978
2979                         $feed_id = db_fetch_result($result, 0, "id");
2980
2981                         if ($feed_id) {
2982                                 update_rss_feed($link, $feed_id, true);
2983                         }
2984
2985                         return 1;
2986                 } else {
2987                         return 0;
2988                 }
2989         }
2990
2991         function print_feed_select($link, $id, $default_id = "",
2992                 $attributes = "", $include_all_feeds = true) {
2993
2994                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2995                 if ($include_all_feeds) {
2996                         print "<option value=\"0\">".__('All feeds')."</option>";
2997                 }
2998
2999                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
3000                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
3001
3002                 if (db_num_rows($result) > 0 && $include_all_feeds) {
3003                         print "<option disabled>--------</option>";
3004                 }
3005
3006                 while ($line = db_fetch_assoc($result)) {
3007                         if ($line["id"] == $default_id) {
3008                                 $is_selected = "selected=\"1\"";
3009                         } else {
3010                                 $is_selected = "";
3011                         }
3012
3013                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
3014
3015                         printf("<option $is_selected value='%d'>%s</option>",
3016                                 $line["id"], $title);
3017                 }
3018
3019                 print "</select>";
3020         }
3021
3022         function print_feed_cat_select($link, $id, $default_id = "",
3023                 $attributes = "", $include_all_cats = true) {
3024
3025                 print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
3026
3027                 if ($include_all_cats) {
3028                         print "<option value=\"0\">".__('Uncategorized')."</option>";
3029                 }
3030
3031                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
3032                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
3033
3034                 if (db_num_rows($result) > 0 && $include_all_cats) {
3035                         print "<option disabled=\"1\">--------</option>";
3036                 }
3037
3038                 while ($line = db_fetch_assoc($result)) {
3039                         if ($line["id"] == $default_id) {
3040                                 $is_selected = "selected=\"1\"";
3041                         } else {
3042                                 $is_selected = "";
3043                         }
3044
3045                         if ($line["title"])
3046                                 printf("<option $is_selected value='%d'>%s</option>",
3047                                         $line["id"], htmlspecialchars($line["title"]));
3048                 }
3049
3050                 print "<option value=\"ADD_CAT\">" .__("Add category...") . "</option>";
3051
3052                 print "</select>";
3053         }
3054
3055         function checkbox_to_sql_bool($val) {
3056                 return ($val == "on") ? "true" : "false";
3057         }
3058
3059         function getFeedCatTitle($link, $id) {
3060                 if ($id == -1) {
3061                         return __("Special");
3062                 } else if ($id < -10) {
3063                         return __("Labels");
3064                 } else if ($id > 0) {
3065                         $result = db_query($link, "SELECT ttrss_feed_categories.title
3066                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3067                                         cat_id = ttrss_feed_categories.id");
3068                         if (db_num_rows($result) == 1) {
3069                                 return db_fetch_result($result, 0, "title");
3070                         } else {
3071                                 return __("Uncategorized");
3072                         }
3073                 } else {
3074                         return "getFeedCatTitle($id) failed";
3075                 }
3076
3077         }
3078
3079         function getFeedIcon($id) {
3080                 switch ($id) {
3081                 case 0:
3082                         return "images/archive.png";
3083                         break;
3084                 case -1:
3085                         return "images/mark_set.png";
3086                         break;
3087                 case -2:
3088                         return "images/pub_set.png";
3089                         break;
3090                 case -3:
3091                         return "images/fresh.png";
3092                         break;
3093                 case -4:
3094                         return "images/tag.png";
3095                         break;
3096                 default:
3097                         if ($id < -10) {
3098                                 return "images/label.png";
3099                         } else {
3100                                 return ICONS_URL . "/$id.ico";
3101                         }
3102                         break;
3103                 }
3104         }
3105
3106         function getFeedTitle($link, $id) {
3107                 if ($id == -1) {
3108                         return __("Starred articles");
3109                 } else if ($id == -2) {
3110                         return __("Published articles");
3111                 } else if ($id == -3) {
3112                         return __("Fresh articles");
3113                 } else if ($id == -4) {
3114                         return __("All articles");
3115                 } else if ($id === 0 || $id === "0") {
3116                         return __("Archived articles");
3117                 } else if ($id < -10) {
3118                         $label_id = -$id - 11;
3119                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3120                         if (db_num_rows($result) == 1) {
3121                                 return db_fetch_result($result, 0, "caption");
3122                         } else {
3123                                 return "Unknown label ($label_id)";
3124                         }
3125
3126                 } else if ($id > 0) {
3127                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3128                         if (db_num_rows($result) == 1) {
3129                                 return db_fetch_result($result, 0, "title");
3130                         } else {
3131                                 return "Unknown feed ($id)";
3132                         }
3133                 } else {
3134                         return $id;
3135                 }
3136         }
3137
3138         function get_session_cookie_name() {
3139                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3140         }
3141
3142         function make_init_params($link) {
3143                 $params = array();
3144
3145                 $params["theme"] = get_user_theme($link);
3146                 $params["theme_options"] = get_user_theme_options($link);
3147                 $params["daemon_enabled"] = ENABLE_UPDATE_DAEMON;
3148
3149                 $params["sign_progress"] = theme_image($link, "images/indicator_white.gif");
3150                 $params["sign_progress_tiny"] = theme_image($link, "images/indicator_tiny.gif");
3151                 $params["sign_excl"] = theme_image($link, "images/sign_excl.png");
3152                 $params["sign_info"] = theme_image($link, "images/sign_info.png");
3153
3154                 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
3155                         "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
3156                         "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE", "DEFAULT_ARTICLE_LIMIT",
3157                         "HIDE_READ_SHOWS_SPECIAL", "HIDE_FEEDLIST", "COMBINED_DISPLAY_MODE") as $param) {
3158
3159                                  $params[strtolower($param)] = (int) get_pref($link, $param);
3160                  }
3161
3162                 $params["icons_url"] = ICONS_URL;
3163                 $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
3164                 $params["default_view_mode"] = get_pref($link, "_DEFAULT_VIEW_MODE");
3165                 $params["default_view_limit"] = (int) get_pref($link, "_DEFAULT_VIEW_LIMIT");
3166                 $params["default_view_order_by"] = get_pref($link, "_DEFAULT_VIEW_ORDER_BY");
3167                 $params["prefs_active_tab"] = get_pref($link, "_PREFS_ACTIVE_TAB");
3168                 $params["infobox_disable_overlay"] = get_pref($link, "_INFOBOX_DISABLE_OVERLAY");
3169                 $params["bw_limit"] = (int) $_SESSION["bw_limit"];
3170                 $params["offline_enabled"] = (int) get_pref($link, "ENABLE_OFFLINE_READING");
3171
3172                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3173                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3174
3175                 $num_feeds = db_fetch_result($result, 0, "cf");
3176
3177                 $params["num_feeds"] = (int) $num_feeds;
3178                 $params["collapsed_feedlist"] = (int) get_pref($link, "_COLLAPSED_FEEDLIST");
3179
3180                 return $params;
3181         }
3182
3183         function print_runtime_info($link) {
3184                 print "<runtime-info><![CDATA[";
3185                 print json_encode(make_runtime_info($link));
3186                 print "]]></runtime-info>";
3187         }
3188
3189         function make_runtime_info($link) {
3190                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3191                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3192
3193                 $num_feeds = db_fetch_result($result, 0, "cf");
3194
3195                 $data = array();
3196
3197                 $data['num_feeds'] = (int) $num_feeds;
3198                 $data['last_article_id'] = getLastArticleId($link);
3199                 $data['cdm_expanded'] = get_pref($link, 'CDM_EXPANDED');
3200
3201                 if (ENABLE_UPDATE_DAEMON) {
3202
3203                         $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
3204
3205                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3206
3207                                 $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
3208
3209                                 if ($stamp) {
3210                                         $stamp_delta = time() - $stamp;
3211
3212                                         if ($stamp_delta > 1800) {
3213                                                 $stamp_check = 0;
3214                                         } else {
3215                                                 $stamp_check = 1;
3216                                                 $_SESSION["daemon_stamp_check"] = time();
3217                                         }
3218
3219                                         $data['daemon_stamp_ok'] = $stamp_check;
3220
3221                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3222
3223                                         $data['daemon_stamp'] = $stamp_fmt;
3224                                 }
3225                         }
3226                 }
3227
3228                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3229
3230                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3231                                 $new_version_details = @check_for_update($link);
3232
3233                                 $data['new_version_available'] = (int) $new_version_details != "";
3234
3235                                 $_SESSION["last_version_check"] = time();
3236                         }
3237                 }
3238
3239                 return $data;
3240         }
3241
3242         function getSearchSql($search, $match_on) {
3243
3244                 $search_query_part = "";
3245
3246                 $keywords = split(" ", $search);
3247                 $query_keywords = array();
3248
3249                 if ($match_on == "both") {
3250
3251                         foreach ($keywords as $k) {
3252                                 if (strpos($k, "-") === 0) {
3253                                         $k = substr($k, 1);
3254                                         $not = "NOT";
3255                                 } else {
3256                                         $not = "";
3257                                 }
3258
3259                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3260                                         OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3261                         }
3262
3263                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3264
3265                 } else if ($match_on == "title") {
3266
3267                         foreach ($keywords as $k) {
3268                                 if (strpos($k, "-") === 0) {
3269                                         $k = substr($k, 1);
3270                                         $not = "NOT";
3271                                 } else {
3272                                         $not = "";
3273                                 }
3274
3275                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
3276                         }
3277
3278                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3279
3280                 } else if ($match_on == "content") {
3281
3282                         foreach ($keywords as $k) {
3283                                 if (strpos($k, "-") === 0) {
3284                                         $k = substr($k, 1);
3285                                         $not = "NOT";
3286                                 } else {
3287                                         $not = "";
3288                                 }
3289
3290                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3291                         }
3292                 }
3293
3294                 $search_query_part = implode("AND", $query_keywords);
3295
3296                 return $search_query_part;
3297         }
3298
3299         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3300
3301                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3302
3303                 $ext_tables_part = "";
3304
3305                         if ($search) {
3306
3307                                 if (SPHINX_ENABLED) {
3308                                         $ids = join(",", @sphinx_search($search, 0, 500));
3309
3310                                         if ($ids)
3311                                                 $search_query_part = "ref_id IN ($ids) AND ";
3312                                         else
3313                                                 $search_query_part = "ref_id = -1 AND ";
3314
3315                                 } else {
3316                                         $search_query_part = getSearchSql($search, $match_on);
3317                                         $search_query_part .= " AND ";
3318                                 }
3319
3320                         } else {
3321                                 $search_query_part = "";
3322                         }
3323
3324                         $view_query_part = "";
3325
3326                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3327                                 if ($search) {
3328                                         $view_query_part = " ";
3329                                 } else if ($feed != -1) {
3330                                         $unread = getFeedUnread($link, $feed, $cat_view);
3331                                         if ($unread > 0) {
3332                                                 $view_query_part = " unread = true AND ";
3333                                         }
3334                                 }
3335                         }
3336
3337                         if ($view_mode == "marked") {
3338                                 $view_query_part = " marked = true AND ";
3339                         }
3340
3341                         if ($view_mode == "published") {
3342                                 $view_query_part = " published = true AND ";
3343                         }
3344
3345                         if ($view_mode == "unread") {
3346                                 $view_query_part = " unread = true AND ";
3347                         }
3348
3349                         if ($view_mode == "updated") {
3350                                 $view_query_part = " (last_read is null and unread = false) AND ";
3351                         }
3352
3353                         if ($limit > 0) {
3354                                 $limit_query_part = "LIMIT " . $limit;
3355                         }
3356
3357                         $vfeed_query_part = "";
3358
3359                         // override query strategy and enable feed display when searching globally
3360                         if ($search && $search_mode == "all_feeds") {
3361                                 $query_strategy_part = "ttrss_entries.id > 0";
3362                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3363                         /* tags */
3364                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3365                                 $query_strategy_part = "ttrss_entries.id > 0";
3366                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3367                                         id = feed_id) as feed_title,";
3368                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3369
3370                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3371
3372                                 $tmp_result = false;
3373
3374                                 if ($cat_view) {
3375                                         $tmp_result = db_query($link, "SELECT id
3376                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3377                                 } else {
3378                                         $tmp_result = db_query($link, "SELECT id
3379                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3380                                                         WHERE id = '$feed') AND id != '$feed'");
3381                                 }
3382
3383                                 $cat_siblings = array();
3384
3385                                 if (db_num_rows($tmp_result) > 0) {
3386                                         while ($p = db_fetch_assoc($tmp_result)) {
3387                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3388                                         }
3389
3390                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3391                                                 $feed, implode(" OR ", $cat_siblings));
3392
3393                                 } else {
3394                                         $query_strategy_part = "ttrss_entries.id > 0";
3395                                 }
3396
3397                         } else if ($feed > 0) {
3398
3399                                 if ($cat_view) {
3400
3401                                         if ($feed > 0) {
3402                                                 $query_strategy_part = "cat_id = '$feed'";
3403                                         } else {
3404                                                 $query_strategy_part = "cat_id IS NULL";
3405                                         }
3406
3407                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3408
3409                                 } else {
3410                                         $query_strategy_part = "feed_id = '$feed'";
3411                                 }
3412                         } else if ($feed == 0 && !$cat_view) { // archive virtual feed
3413                                 $query_strategy_part = "feed_id IS NULL";
3414                         } else if ($feed == 0 && $cat_view) { // uncategorized
3415                                 $query_strategy_part = "cat_id IS NULL";
3416                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3417                         } else if ($feed == -1) { // starred virtual feed
3418                                 $query_strategy_part = "marked = true";
3419                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3420                         } else if ($feed == -2) { // published virtual feed OR labels category
3421
3422                                 if (!$cat_view) {
3423                                         $query_strategy_part = "published = true";
3424                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3425                                 } else {
3426                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3427
3428                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3429
3430                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3431                                                 ttrss_user_labels2.article_id = ref_id";
3432
3433                                 }
3434
3435                         } else if ($feed == -3) { // fresh virtual feed
3436                                 $query_strategy_part = "unread = true";
3437
3438                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3439
3440                                 if (DB_TYPE == "pgsql") {
3441                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3442                                 } else {
3443                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3444                                 }
3445
3446                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3447                         } else if ($feed == -4) { // all articles virtual feed
3448                                 $query_strategy_part = "true";
3449                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3450                         } else if ($feed <= -10) { // labels
3451                                 $label_id = -$feed - 11;
3452
3453                                 $query_strategy_part = "label_id = '$label_id' AND
3454                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3455                                         ttrss_user_labels2.article_id = ref_id";
3456
3457                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3458                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3459
3460                         } else {
3461                                 $query_strategy_part = "id > 0"; // dumb
3462                         }
3463
3464                         if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3465                                 $date_sort_field = "updated";
3466                         } else {
3467                                 $date_sort_field = "date_entered";
3468                         }
3469
3470                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3471                                 $order_by = "$date_sort_field";
3472                         } else {
3473                                 $order_by = "$date_sort_field DESC";
3474                         }
3475
3476                         if ($view_mode != "noscores") {
3477                                 $order_by = "score DESC, $order_by";
3478                         }
3479
3480                         if ($override_order) {
3481                                 $order_by = $override_order;
3482                         }
3483
3484                         $feed_title = "";
3485
3486                         if ($search) {
3487                                 $feed_title = "Search results";
3488                         } else {
3489                                 if ($cat_view) {
3490                                         $feed_title = getCategoryTitle($link, $feed);
3491                                 } else {
3492                                         if ((int)$feed == $feed && $feed > 0) {
3493                                                 $result = db_query($link, "SELECT title,site_url,last_error
3494                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3495
3496                                                 $feed_title = db_fetch_result($result, 0, "title");
3497                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3498                                                 $last_error = db_fetch_result($result, 0, "last_error");
3499                                         } else {
3500                                                 $feed_title = getFeedTitle($link, $feed);
3501                                         }
3502                                 }
3503                         }
3504
3505                         $content_query_part = "content as content_preview,";
3506
3507                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3508
3509                                 if ($feed >= 0) {
3510                                         $feed_kind = "Feeds";
3511                                 } else {
3512                                         $feed_kind = "Labels";
3513                                 }
3514
3515                                 if ($limit_query_part) {
3516                                         $offset_query_part = "OFFSET $offset";
3517                                 }
3518
3519                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3520                                         if (!$override_order) {
3521                                                 $order_by = "ttrss_feeds.title, $order_by";
3522                                         }
3523                                 }
3524
3525                                 if ($feed != "0") {
3526                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3527                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3528
3529                                 } else {
3530                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3531                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3532                                 }
3533
3534                                 $query = "SELECT DISTINCT
3535                                                 date_entered,
3536                                                 guid,
3537                                                 ttrss_entries.id,ttrss_entries.title,
3538                                                 updated,
3539                                                 note,
3540                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3541                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3542                                                 $vfeed_query_part
3543                                                 $content_query_part
3544                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3545                                                 author,score
3546                                         FROM
3547                                                 $from_qpart
3548                                         WHERE
3549                                         $feed_check_qpart
3550                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3551                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3552                                         $search_query_part
3553                                         $view_query_part
3554                                         $query_strategy_part ORDER BY $order_by
3555                                         $limit_query_part $offset_query_part";
3556
3557                                 if ($_REQUEST["debug"]) print $query;
3558
3559                                 $result = db_query($link, $query);
3560
3561                         } else {
3562                                 // browsing by tag
3563
3564                                 $feed_kind = "Tags";
3565
3566                                 $result = db_query($link, "SELECT
3567                                         guid,
3568                                         note,
3569                                         ttrss_entries.id as id,title,
3570                                         updated,
3571                                         unread,feed_id,orig_feed_id,
3572                                         marked,link,last_read,
3573                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3574                                         $vfeed_query_part
3575                                         $content_query_part
3576                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3577                                         score
3578                                         FROM
3579                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3580                                         WHERE
3581                                                 ref_id = ttrss_entries.id AND
3582                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3583                                                 post_int_id = int_id AND tag_name = '$feed' AND
3584                                                 $view_query_part
3585                                                 $search_query_part
3586                                                 $query_strategy_part ORDER BY $order_by
3587                                         $limit_query_part");
3588                         }
3589
3590                         return array($result, $feed_title, $feed_site_url, $last_error);
3591
3592         }
3593
3594         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3595                 $limit, $search, $search_mode, $match_on, $view_mode = false) {
3596
3597                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3598                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3599                         "margin-bottom : 1em; color : #9a8c59;";
3600
3601                 if (!$limit) $limit = 30;
3602
3603                 if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
3604                         $date_sort_field = "updated";
3605                 } else {
3606                         $date_sort_field = "date_entered";
3607                 }
3608
3609                 $qfh_ret = queryFeedHeadlines($link, $feed,
3610                         $limit, $view_mode, $is_cat, $search, $search_mode,
3611                         $match_on, "$date_sort_field DESC", 0, $owner_uid);
3612
3613                 $result = $qfh_ret[0];
3614                 $feed_title = htmlspecialchars($qfh_ret[1]);
3615                 $feed_site_url = $qfh_ret[2];
3616                 $last_error = $qfh_ret[3];
3617
3618 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3619
3620                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3621                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3622                         <rss version=\"2.0\">
3623                         <channel>
3624                         <title>$feed_title</title>
3625                         <link>$feed_site_url</link>
3626                         <description>Feed generated by Tiny Tiny RSS</description>";
3627
3628                 while ($line = db_fetch_assoc($result)) {
3629                         print "<item>";
3630                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3631                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3632
3633                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3634
3635                         foreach ($tags as $tag) {
3636                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3637                         }
3638
3639                         $rfc822_date = date('r', strtotime($line["updated"]));
3640
3641                         print "<pubDate>$rfc822_date</pubDate>";
3642
3643                         if ($line["author"]) {
3644                                 print "<author>" . htmlspecialchars($line["author"]) . "</author>";
3645                         }
3646
3647                         print "<title><![CDATA[" .
3648                                 htmlspecialchars($line["title"]) . "]]></title>";
3649
3650                         print "<description><![CDATA[";
3651
3652                         if ($line["note"]) {
3653                                 print "<div style='$note_style'>";
3654                                 print $line["note"];
3655                                 print "</div>";
3656                         }
3657
3658                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3659                         print "]]></description>";
3660
3661                         $enclosures = get_article_enclosures($link, $line["id"]);
3662
3663                         foreach ($enclosures as $e) {
3664                                 $type = htmlspecialchars($e['content_type']);
3665                                 $url = htmlspecialchars($e['content_url']);
3666                                 $length = $e['duration'];
3667                                 print "<enclosure url=\"$url\" type=\"$type\" length=\"$length\"/>";
3668                         }
3669
3670                         print "</item>";
3671                 }
3672
3673                 print "</channel></rss>";
3674
3675         }
3676
3677         function getCategoryTitle($link, $cat_id) {
3678
3679                 if ($cat_id == -1) {
3680                         return __("Special");
3681                 } else if ($cat_id == -2) {
3682                         return __("Labels");
3683                 } else {
3684
3685                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3686                                 id = '$cat_id'");
3687
3688                         if (db_num_rows($result) == 1) {
3689                                 return db_fetch_result($result, 0, "title");
3690                         } else {
3691                                 return "Uncategorized";
3692                         }
3693                 }
3694         }
3695
3696         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
3697                 global $purifier;
3698
3699                 if (!$owner) $owner = $_SESSION["uid"];
3700
3701                 $res = trim($str); if (!$res) return '';
3702
3703                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3704                         $res = $purifier->purify($res);
3705                 }
3706
3707                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3708                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3709                 }
3710
3711                 $charset_hack = '<head>
3712                         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
3713                 </head>';
3714
3715                 $res = trim($res); if (!$res) return '';
3716
3717                 libxml_use_internal_errors(true);
3718
3719                 $doc = new DOMDocument();
3720                 $doc->loadHTML($charset_hack . $res);
3721                 $xpath = new DOMXPath($doc);
3722
3723                 $entries = $xpath->query('(//a[@href]|//img[@src])');
3724                 $br_inserted = 0;
3725
3726                 foreach ($entries as $entry) {
3727
3728                         if ($site_url) {
3729
3730                                 if ($entry->hasAttribute('href'))
3731                                         $entry->setAttribute('href',
3732                                                 rewrite_relative_url($site_url, $entry->getAttribute('href')));
3733
3734                                 if ($entry->hasAttribute('src'))
3735                                         $entry->setAttribute('src',
3736                                                 rewrite_relative_url($site_url, $entry->getAttribute('src')));
3737                         }
3738
3739                         if (strtolower($entry->nodeName) == "a") {
3740                                 if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW', $owner)) {
3741                                         $entry->setAttribute("target", "_blank");
3742                                 }
3743                         }
3744
3745                         if (strtolower($entry->nodeName) == "img" && !$br_inserted) {
3746                                 $br = $doc->createElement("br");
3747
3748                                 if ($entry->parentNode->nextSibling) {
3749                                         $entry->parentNode->insertBefore($br, $entry->nextSibling);
3750                                         $br_inserted = 1;
3751                                 }
3752
3753                         }
3754                 }
3755
3756                 $node = $doc->getElementsByTagName('body')->item(0);
3757
3758                 return $doc->saveXML($node);
3759         }
3760
3761         /**
3762          * Send by mail a digest of last articles.
3763          *
3764          * @param mixed $link The database connection.
3765          * @param integer $limit The maximum number of articles by digest.
3766          * @return boolean Return false if digests are not enabled.
3767          */
3768         function send_headlines_digests($link, $limit = 100) {
3769
3770                 if (!DIGEST_ENABLE) return false;
3771
3772                 $user_limit = DIGEST_EMAIL_LIMIT;
3773                 $days = 1;
3774
3775                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3776
3777                 if (DB_TYPE == "pgsql") {
3778                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3779                 } else if (DB_TYPE == "mysql") {
3780                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3781                 }
3782
3783                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3784                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3785
3786                 while ($line = db_fetch_assoc($result)) {
3787
3788                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3789                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3790
3791                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3792
3793                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3794                                 $digest = $tuple[0];
3795                                 $headlines_count = $tuple[1];
3796                                 $affected_ids = $tuple[2];
3797                                 $digest_text = $tuple[3];
3798
3799                                 if ($headlines_count > 0) {
3800
3801                                         $mail = new PHPMailer();
3802
3803                                         $mail->PluginDir = "lib/phpmailer/";
3804                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3805
3806                                         $mail->CharSet = "UTF-8";
3807
3808                                         $mail->From = DIGEST_FROM_ADDRESS;
3809                                         $mail->FromName = DIGEST_FROM_NAME;
3810                                         $mail->AddAddress($line["email"], $line["login"]);
3811
3812                                         if (DIGEST_SMTP_HOST) {
3813                                                 $mail->Host = DIGEST_SMTP_HOST;
3814                                                 $mail->Mailer = "smtp";
3815                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3816                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3817                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3818                                         }
3819
3820                                         $mail->IsHTML(true);
3821                                         $mail->Subject = DIGEST_SUBJECT;
3822                                         $mail->Body = $digest;
3823                                         $mail->AltBody = $digest_text;
3824
3825                                         $rc = $mail->Send();
3826
3827                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3828
3829                                         print "RC=$rc\n";
3830
3831                                         if ($rc && $do_catchup) {
3832                                                 print "Marking affected articles as read...\n";
3833                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3834                                         }
3835                                 } else {
3836                                         print "No headlines\n";
3837                                 }
3838
3839                                 db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3840                                         WHERE id = " . $line["id"]);
3841                         }
3842                 }
3843
3844                 print "All done.\n";
3845
3846         }
3847
3848         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3849
3850                 require_once "lib/MiniTemplator.class.php";
3851
3852                 $tpl = new MiniTemplator;
3853                 $tpl_t = new MiniTemplator;
3854
3855                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3856                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3857
3858                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3859                 $tpl->setVariable('CUR_TIME', date('G:i'));
3860
3861                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3862                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3863
3864                 $affected_ids = array();
3865
3866                 if (DB_TYPE == "pgsql") {
3867                         $interval_query = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
3868                 } else if (DB_TYPE == "mysql") {
3869                         $interval_query = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
3870                 }
3871
3872                 $result = db_query($link, "SELECT ttrss_entries.title,
3873                                 ttrss_feeds.title AS feed_title,
3874                                 date_updated,
3875                                 ttrss_user_entries.ref_id,
3876                                 link,
3877                                 SUBSTRING(content, 1, 120) AS excerpt,
3878                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3879                         FROM
3880                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3881                         WHERE
3882                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3883                                 AND include_in_digest = true
3884                                 AND $interval_query
3885                                 AND ttrss_user_entries.owner_uid = $user_id
3886                                 AND unread = true
3887                         ORDER BY ttrss_feeds.title, date_updated DESC
3888                         LIMIT $limit");
3889
3890                 $cur_feed_title = "";
3891
3892                 $headlines_count = db_num_rows($result);
3893
3894                 $headlines = array();
3895
3896                 while ($line = db_fetch_assoc($result)) {
3897                         array_push($headlines, $line);
3898                 }
3899
3900                 for ($i = 0; $i < sizeof($headlines); $i++) {
3901
3902                         $line = $headlines[$i];
3903
3904                         array_push($affected_ids, $line["ref_id"]);
3905
3906                         $updated = make_local_datetime($link, $line['last_updated'], false,
3907                                 $user_id);
3908
3909                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3910                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3911                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3912                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3913                         $tpl->setVariable('ARTICLE_EXCERPT',
3914                                 truncate_string(strip_tags($line["excerpt"]), 100));
3915
3916                         $tpl->addBlock('article');
3917
3918                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3919                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3920                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3921                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3922 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3923 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3924
3925                         $tpl_t->addBlock('article');
3926
3927                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3928                                 $tpl->addBlock('feed');
3929                                 $tpl_t->addBlock('feed');
3930                         }
3931
3932                 }
3933
3934                 $tpl->addBlock('digest');
3935                 $tpl->generateOutputToString($tmp);
3936
3937                 $tpl_t->addBlock('digest');
3938                 $tpl_t->generateOutputToString($tmp_t);
3939
3940                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3941         }
3942
3943         function check_for_update($link) {
3944                 $releases_feed = "http://tt-rss.org/releases.rss";
3945
3946                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3947                         return;
3948                 }
3949
3950                 if (DEFAULT_UPDATE_METHOD == "1") {
3951                         $rss = new SimplePie();
3952                         $rss->set_useragent(SELF_USER_AGENT);
3953                         $rss->set_feed_url($fetch_url);
3954                         $rss->set_output_encoding('UTF-8');
3955                         $rss->init();
3956                 } else {
3957                         $rss = fetch_rss($releases_feed);
3958                 }
3959
3960                 if ($rss) {
3961
3962                         if (DEFAULT_UPDATE_METHOD == "1") {
3963                                 $items = $rss->get_items();
3964                         } else {
3965                                 $items = $rss->items;
3966
3967                                 if (!$items || !is_array($items)) $items = $rss->entries;
3968                                 if (!$items || !is_array($items)) $items = $rss;
3969                         }
3970
3971                         if (!is_array($items) || count($items) == 0) {
3972                                 return;
3973                         }
3974
3975                         $latest_item = $items[0];
3976
3977                         if (DEFAULT_UPDATE_METHOD == "1") {
3978                                 $last_title = $latest_item->get_title();
3979                         } else {
3980                                 $last_title = $latest_item["title"];
3981                         }
3982
3983                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3984
3985                         if (DEFAULT_UPDATE_METHOD == "1") {
3986                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3987                                 $content = sanitize_rss($link, $latest_item->get_description());
3988                         } else {
3989                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3990                                 $content = sanitize_rss($link, $latest_item["description"]);
3991                         }
3992
3993                         if (version_compare(VERSION, $latest_version) == -1) {
3994                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
3995                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
3996                         } else {
3997                                 return false;
3998                         }
3999                 }
4000         }
4001
4002         function markArticlesById($link, $ids, $cmode) {
4003
4004                 $tmp_ids = array();
4005
4006                 foreach ($ids as $id) {
4007                         array_push($tmp_ids, "ref_id = '$id'");
4008                 }
4009
4010                 $ids_qpart = join(" OR ", $tmp_ids);
4011
4012                 if ($cmode == 0) {
4013                         db_query($link, "UPDATE ttrss_user_entries SET
4014                         marked = false,last_read = NOW()
4015                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4016                 } else if ($cmode == 1) {
4017                         db_query($link, "UPDATE ttrss_user_entries SET
4018                         marked = true
4019                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4020                 } else {
4021                         db_query($link, "UPDATE ttrss_user_entries SET
4022                         marked = NOT marked,last_read = NOW()
4023                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4024                 }
4025         }
4026
4027         function publishArticlesById($link, $ids, $cmode) {
4028
4029                 $tmp_ids = array();
4030
4031                 foreach ($ids as $id) {
4032                         array_push($tmp_ids, "ref_id = '$id'");
4033                 }
4034
4035                 $ids_qpart = join(" OR ", $tmp_ids);
4036
4037                 if ($cmode == 0) {
4038                         db_query($link, "UPDATE ttrss_user_entries SET
4039                         published = false,last_read = NOW()
4040                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4041                 } else if ($cmode == 1) {
4042                         db_query($link, "UPDATE ttrss_user_entries SET
4043                         published = true
4044                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4045                 } else {
4046                         db_query($link, "UPDATE ttrss_user_entries SET
4047                         published = NOT published,last_read = NOW()
4048                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4049                 }
4050         }
4051
4052         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
4053
4054                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4055                 if (count($ids) == 0) return;
4056
4057                 $tmp_ids = array();
4058
4059                 foreach ($ids as $id) {
4060                         array_push($tmp_ids, "ref_id = '$id'");
4061                 }
4062
4063                 $ids_qpart = join(" OR ", $tmp_ids);
4064
4065                 if ($cmode == 0) {
4066                         db_query($link, "UPDATE ttrss_user_entries SET
4067                         unread = false,last_read = NOW()
4068                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4069                 } else if ($cmode == 1) {
4070                         db_query($link, "UPDATE ttrss_user_entries SET
4071                         unread = true
4072                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4073                 } else {
4074                         db_query($link, "UPDATE ttrss_user_entries SET
4075                         unread = NOT unread,last_read = NOW()
4076                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4077                 }
4078
4079                 /* update ccache */
4080
4081                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4082                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4083
4084                 while ($line = db_fetch_assoc($result)) {
4085                         ccache_update($link, $line["feed_id"], $owner_uid);
4086                 }
4087         }
4088
4089         function catchupArticleById($link, $id, $cmode) {
4090
4091                 if ($cmode == 0) {
4092                         db_query($link, "UPDATE ttrss_user_entries SET
4093                         unread = false,last_read = NOW()
4094                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4095                 } else if ($cmode == 1) {
4096                         db_query($link, "UPDATE ttrss_user_entries SET
4097                         unread = true
4098                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4099                 } else {
4100                         db_query($link, "UPDATE ttrss_user_entries SET
4101                         unread = NOT unread,last_read = NOW()
4102                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4103                 }
4104
4105                 $feed_id = getArticleFeed($link, $id);
4106                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4107         }
4108
4109         function make_guid_from_title($title) {
4110                 return preg_replace("/[ \"\',.:;]/", "-",
4111                         mb_strtolower(strip_tags($title), 'utf-8'));
4112         }
4113
4114         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4115                         $feed_id, $is_cat, $search, $match_on,
4116                         $search_mode, $view_mode) {
4117
4118 #                       print "<div class=\"headlinesSubToolbar\">";
4119
4120                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
4121                         $page_next_link = "javascript:viewFeedGoPage(1)";
4122                         $page_first_link = "javascript:viewFeedGoPage(0)";
4123
4124                         $catchup_page_link = "javascript:catchupPage()";
4125                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
4126                         $catchup_sel_link = "javascript:catchupSelection()";
4127
4128                         $archive_sel_link = "javascript:archiveSelection()";
4129                         $delete_sel_link = "javascript:deleteSelection()";
4130
4131                         $sel_all_link = "javascript:selectArticles('all')";
4132                         $sel_unread_link = "javascript:selectArticles('unread')";
4133                         $sel_none_link = "javascript:selectArticles('none')";
4134                         $sel_inv_link = "javascript:selectArticles('invert')";
4135
4136                         $tog_unread_link = "javascript:selectionToggleUnread()";
4137                         $tog_marked_link = "javascript:selectionToggleMarked()";
4138                         $tog_published_link = "javascript:selectionTogglePublished()";
4139
4140                         print "<div id=\"subtoolbar_ftitle\">";
4141
4142                         if ($feed_site_url) {
4143                                 $target = "target=\"_blank\"";
4144                                 print "<a title=\"".__("Visit the website")."\" $target href=\"$feed_site_url\">".
4145                                         truncate_string($feed_title,30)."</a>";
4146                         } else {
4147                                 if ($feed_id < -10) {
4148                                         $label_id = -11-$feed_id;
4149
4150                                         $result = db_query($link, "SELECT fg_color, bg_color
4151                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4152                                                 $_SESSION["uid"]);
4153
4154                                         if (db_num_rows($result) != 0) {
4155                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4156                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4157
4158                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4159                                                 print $feed_title;
4160                                                 print "</span>";
4161                                         } else {
4162                                                 print $feed_title;
4163                                         }
4164
4165                                 } else {
4166                                         print $feed_title;
4167                                 }
4168                         }
4169
4170                         if ($search) {
4171                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4172                         } else {
4173                                 $search_q = "";
4174                         }
4175
4176                         // Adaptive doesn't really make any sense for generated feeds
4177                         // All Articles is the default, so no need to insert it either
4178                         if ($view_mode == "adaptive" || $view_mode == "all_articles")
4179                                 $view_mode = "";
4180                         else
4181                                 $view_mode = "&view-mode=$view_mode";
4182
4183                         $rss_link = htmlspecialchars(get_self_url_prefix() .
4184                                 "/backend.php?op=rss&id=$feed_id&is_cat=$is_cat$view_mode$search_q");
4185
4186                         #print "
4187                         #       <a target=\"_blank\"
4188                         #               title=\"".__("View as RSS feed")."\"
4189                         #               href=\"$rss_link\">
4190                         #               <img class=\"noborder\" src=\"images/feed-icon-12x12.png\"></a>";
4191
4192                         print "
4193                                 <a href=\"#\"
4194                                         title=\"".__("View as RSS feed")."\"
4195                                         onclick=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">
4196                                         <img class=\"noborder\" style=\"vertical-align : middle\" src=\"images/feed-icon-12x12.png\"></a>";
4197
4198                         print "</div>";
4199
4200                         print __('Select:')."
4201                                 <a href=\"#\" onclick=\"$sel_all_link\">".__('All')."</a>,
4202                                 <a href=\"#\" onclick=\"$sel_unread_link\">".__('Unread')."</a>,
4203                                 <a href=\"#\" onclick=\"$sel_inv_link\">".__('Invert')."</a>,
4204                                 <a href=\"#\" onclick=\"$sel_none_link\">".__('None')."</a></li>";
4205
4206                         print "&nbsp;&nbsp;";
4207
4208                         print "<span
4209                                 onmouseover=\"enable_selection(false)\"
4210             onmouseout=\"enable_selection(true)\"
4211                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
4212                                 __("Actions...") . "&nbsp;&nbsp;<img width='11' height'7'
4213                                 src=\"images/down_arrow.png\">
4214                                 </span>";
4215
4216                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
4217
4218                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4219                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4220                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4221                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4222                                 <li class=\"insensitive\">".__('Selection:')."</li>
4223                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Mark as read')."</li>";
4224
4225 //                      print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4226 //                              "</li>";
4227
4228                         if ($feed_id != "0") {
4229                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Archive')."</li>";
4230                         } else {
4231                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Move back')."</li>";
4232                                 print "<li onclick=\"$delete_sel_link\">&nbsp;&nbsp;".__('Delete')."</li>";
4233
4234                         }
4235
4236                         print "<li onclick=\"emailArticle(false)\">&nbsp;&nbsp;".
4237                                 __('Forward by email')."</li>";
4238
4239                         //print "<li><span class=\"insensitive\">--------</span></li>";
4240                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4241
4242                         print_labels_headlines_dropdown($link, $feed_id);
4243
4244                         print "<li class=\"insensitive\">".__('Feed:')."</li>";
4245                         print "<li onclick=\"displayDlg('generatedFeed', '$feed_id:$is_cat:$rss_link')\">&nbsp;&nbsp;".__('View as RSS')."</li>";
4246
4247                         print "</ul>";
4248
4249 #                       print "</div>";
4250                 }
4251
4252         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true,
4253                                         $title_override = false) {
4254
4255                         if (!$title_override)
4256                                 $tmp_category = getCategoryTitle($link, $cat_id);
4257                         else
4258                                 $tmp_category = $title_override;
4259
4260                         if ($cat_id > 0) {
4261                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4262                         } else if ($cat_id == 0 || $cat_id == -2) {
4263                                 $cat_unread = getCategoryUnread($link, $cat_id);
4264                         }
4265
4266                         if ($hidden) {
4267                                 $holder_style = "display:none;";
4268                                 $ellipsis = "…";
4269                                 $collapse_pic = "cat-uncollapse.png";
4270                         } else {
4271                                 $holder_style = "";
4272                                 $ellipsis = "";
4273                                 $collapse_pic = "cat-collapse.png";
4274                         }
4275
4276                         $catctr_class = ($cat_unread > 0) ? "catCtr Unread" : "catCtr";
4277
4278                         if ($can_browse) {
4279                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4280                                 $inner_title_class = "catTitle";
4281                         } else {
4282                                 $browse_cat_link = "";
4283                                 $inner_title_class = "catTitleNL";
4284                         }
4285
4286                         $cat_class = "feedCat";
4287
4288                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4289                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4290                                         title=\"".__('Click to collapse category')."\"
4291                                         src=\"images/$collapse_pic?\"><span class=\"$inner_title_class\"
4292                                         id=\"FCATN-$cat_id\" $browse_cat_link/>$tmp_category</span>";
4293
4294                         print "<span id=\"FCAP-$cat_id\">";
4295
4296                         print " <span id=\"FCATCTR-$cat_id\"
4297                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4298
4299                         print "</span>";
4300
4301                         //print "</li>";
4302
4303                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4304
4305         }
4306
4307         function outputFeedList($link, $tags = false) {
4308
4309                 $feedlist = array();
4310
4311                 $enable_cats = get_pref($link, 'ENABLE_FEED_CATS');
4312
4313                 $feedlist['identifier'] = 'id';
4314                 $feedlist['label'] = 'name';
4315                 $feedlist['items'] = array();
4316
4317                 $owner_uid = $_SESSION["uid"];
4318
4319                 /* virtual feeds */
4320
4321                 if ($enable_cats) {
4322                         $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4323                         $cat = feedlist_init_cat($link, -1, $cat_hidden);
4324                 } else {
4325                         $cat['items'] = array();
4326                 }
4327
4328                 foreach (array(-4, -3, -1, -2, 0) as $i) {
4329                         array_push($cat['items'], feedlist_init_feed($link, $i));
4330                 }
4331
4332                 if ($enable_cats) {
4333                         array_push($feedlist['items'], $cat);
4334                 } else {
4335                         $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4336                 }
4337
4338                 if (!$tags) {
4339
4340                         $result = db_query($link, "SELECT * FROM
4341                                 ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4342
4343                         if (db_num_rows($result) > 0) {
4344                                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4345                                         $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4346                                         $cat = feedlist_init_cat($link, -2, $cat_hidden);
4347                                 } else {
4348                                         $cat['items'] = array();
4349                                 }
4350                         }
4351
4352                         while ($line = db_fetch_assoc($result)) {
4353
4354                                 $label_id = -$line['id'] - 11;
4355                                 $count = getFeedUnread($link, $label_id);
4356
4357                                 array_push($cat['items'], feedlist_init_feed($link, $label_id,
4358                                         false, $count));
4359                         }
4360
4361                         if ($enable_cats) {
4362                                 array_push($feedlist['items'], $cat);
4363                         } else {
4364                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4365                         }
4366
4367                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4368                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4369                                         $order_by_qpart = "order_id,category,unread DESC,title";
4370                                 } else {
4371                                         $order_by_qpart = "order_id,category,title";
4372                                 }
4373                         } else {
4374                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4375                                         $order_by_qpart = "unread DESC,title";
4376                                 } else {
4377                                         $order_by_qpart = "title";
4378                                 }
4379                         }
4380
4381                         $age_qpart = getMaxAgeSubquery();
4382
4383                         $query = "SELECT ttrss_feeds.id, ttrss_feeds.title,
4384                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4385                                 cat_id,last_error,
4386                                 ttrss_feed_categories.title AS category,
4387                                 ttrss_feed_categories.collapsed,
4388                                 value AS unread
4389                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4390                                         ON (ttrss_feed_categories.id = cat_id)
4391                                 LEFT JOIN ttrss_counters_cache
4392                                         ON
4393                                                 (ttrss_feeds.id = feed_id)
4394                                 WHERE
4395                                         ttrss_feeds.owner_uid = '$owner_uid'
4396                                 ORDER BY $order_by_qpart";
4397
4398                         $result = db_query($link, $query);
4399
4400                         $actid = $_REQUEST["actid"];
4401
4402                         /* real feeds */
4403
4404                         $category = "";
4405
4406                         if (!$enable_cats)
4407                                 $cat['items'] = array();
4408                         else
4409                                 $cat = false;
4410
4411                         while ($line = db_fetch_assoc($result)) {
4412
4413                                 $feed = htmlspecialchars(trim($line["title"]));
4414
4415                                 if (!$feed) $feed = "[Untitled]";
4416
4417                                 $feed_id = $line["id"];
4418                                 $unread = $line["unread"];
4419
4420                                 $cat_id = $line["cat_id"];
4421                                 $tmp_category = $line["category"];
4422                                 if (!$tmp_category) $tmp_category = __("Uncategorized");
4423
4424                                 if ($category != $tmp_category && $enable_cats) {
4425
4426                                         $category = $tmp_category;
4427
4428                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4429
4430                                         // workaround for NULL category
4431                                         if ($category == __("Uncategorized")) {
4432                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4433                                         }
4434
4435                                         if ($cat) array_push($feedlist['items'], $cat);
4436
4437                                         $cat = feedlist_init_cat($link, $cat_id, $collapsed);
4438                                 }
4439
4440                                 array_push($cat['items'], feedlist_init_feed($link, $feed_id,
4441                                         $feed, $unread));
4442                         }
4443
4444                         if (!$enable_cats) {
4445                                 $feedlist['items'] = array_merge($feedlist['items'], $cat['items']);
4446                         }
4447
4448 /*                      if (db_num_rows($result) == 0) {
4449
4450                                 if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4451                                         print "<li style='text-align : center'><a href=\"#\"
4452                                           onclick=\"quickAddFeed()\">".
4453                                                 __('Subscribe to feed...')."</a></li>";
4454                                 } else {
4455                                         printCategoryHeader($link, -1, false, false, "Feeds");
4456
4457                                         print "<li><a href=\"#\"
4458                                           onclick=\"quickAddFeed()\">".
4459                                                 __('Subscribe to feed...')."</a></li>";
4460
4461                                         print "</ul>";
4462                                 }
4463                         } */
4464
4465                 } else {
4466
4467                         // tags
4468
4469                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4470 #                               print "<li class=\"feedCat\">".__('Tags')."</li>";
4471 #                               print "<ul class=\"feedCatList\">";
4472                         }
4473
4474                         $age_qpart = getMaxAgeSubquery();
4475
4476                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4477                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4478                                         AND ref_id = id AND $age_qpart
4479                                         AND unread = true)) AS count FROM ttrss_tags
4480                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4481                                         ORDER BY count DESC LIMIT 50");
4482
4483                         $tags = array();
4484
4485                         while ($line = db_fetch_assoc($result)) {
4486                                 $tags[$line["tag_name"]] += $line["count"];
4487                         }
4488
4489                         foreach (array_keys($tags) as $tag) {
4490
4491                                 $unread = $tags[$tag];
4492                                 $class = "tag";
4493
4494 #                               printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4495
4496                         }
4497
4498                         if (db_num_rows($result) == 0) {
4499 #                               print "<li>No tags to display.</li>";
4500                         }
4501
4502                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4503 #                               print "</ul>";
4504                         }
4505
4506                 }
4507
4508 #               print "</ul>";
4509
4510
4511                 return $feedlist;
4512         }
4513
4514         function get_article_tags($link, $id, $owner_uid = 0) {
4515
4516                 global $memcache;
4517
4518                 $a_id = db_escape_string($id);
4519
4520                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4521
4522                 $query = "SELECT DISTINCT tag_name,
4523                         owner_uid as owner FROM
4524                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4525                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4526
4527                 $obj_id = md5("TAGS:$owner_uid:$id");
4528                 $tags = array();
4529
4530                 if ($memcache && $obj = $memcache->get($obj_id)) {
4531                         $tags = $obj;
4532                 } else {
4533                         /* check cache first */
4534
4535                         $result = db_query($link, "SELECT tag_cache FROM ttrss_user_entries
4536                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4537
4538                         $tag_cache = db_fetch_result($result, 0, "tag_cache");
4539
4540                         if ($tag_cache) {
4541                                 $tags = explode(",", $tag_cache);
4542                         } else {
4543
4544                                 /* do it the hard way */
4545
4546                                 $tmp_result = db_query($link, $query);
4547
4548                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4549                                         array_push($tags, $tmp_line["tag_name"]);
4550                                 }
4551
4552                                 /* update the cache */
4553
4554                                 $tags_str = db_escape_string(join(",", $tags));
4555
4556                                 db_query($link, "UPDATE ttrss_user_entries
4557                                         SET tag_cache = '$tags_str' WHERE ref_id = '$id'
4558                                         AND owner_uid = " . $_SESSION["uid"]);
4559                         }
4560
4561                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4562                 }
4563
4564                 return $tags;
4565         }
4566
4567         function trim_value(&$value) {
4568                 $value = trim($value);
4569         }
4570
4571         function trim_array($array) {
4572                 $tmp = $array;
4573                 array_walk($tmp, 'trim_value');
4574                 return $tmp;
4575         }
4576
4577         function tag_is_valid($tag) {
4578                 if ($tag == '') return false;
4579                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4580                 if (mb_strlen($tag) > 250) return false;
4581
4582                 if (function_exists('iconv')) {
4583                         $tag = iconv("utf-8", "utf-8", $tag);
4584                 }
4585
4586                 if (!$tag) return false;
4587
4588                 return true;
4589         }
4590
4591         function render_login_form($link, $mobile = 0) {
4592                 switch ($mobile) {
4593                 case 0:
4594                         require_once "login_form.php";
4595                         break;
4596                 case 1:
4597                         require_once "mobile/login_form.php";
4598                         break;
4599                 case 2:
4600                         require_once "mobile/classic/login_form.php";
4601                 }
4602         }
4603
4604         // from http://developer.apple.com/internet/safari/faq.html
4605         function no_cache_incantation() {
4606                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4607                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4608                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4609                 header("Cache-Control: post-check=0, pre-check=0", false);
4610                 header("Pragma: no-cache"); // HTTP/1.0
4611         }
4612
4613         function format_warning($msg, $id = "") {
4614                 global $link;
4615                 return "<div class=\"warning\" id=\"$id\">
4616                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4617         }
4618
4619         function format_notice($msg) {
4620                 global $link;
4621                 return "<div class=\"notice\" id=\"$id\">
4622                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4623         }
4624
4625         function format_error($msg) {
4626                 global $link;
4627                 return "<div class=\"error\" id=\"$id\">
4628                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4629         }
4630
4631         function print_notice($msg) {
4632                 return print format_notice($msg);
4633         }
4634
4635         function print_warning($msg) {
4636                 return print format_warning($msg);
4637         }
4638
4639         function print_error($msg) {
4640                 return print format_error($msg);
4641         }
4642
4643
4644         function T_sprintf() {
4645                 $args = func_get_args();
4646                 return vsprintf(__(array_shift($args)), $args);
4647         }
4648
4649         function format_inline_player($link, $url, $ctype) {
4650
4651                 $entry = "";
4652
4653                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4654
4655                         $entry .= "<object type=\"application/x-shockwave-flash\"
4656                                 data=\"extras/button/musicplayer.swf?song_url=$url\"
4657                                 width=\"17\" height=\"17\">
4658                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";
4659                 }
4660
4661                 /*
4662
4663                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4664                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4665                         if (($ctype == __("audio/mpeg")) &&
4666                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4667                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4668                         }
4669                         $entry .= "</audio> ";
4670                         if (($ctype == __("audio/mpeg")) &&
4671                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4672                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";
4673                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>";
4674                         }
4675                 } elseif (substr($ctype,0,6)=="video/") {
4676                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4677                         $entry .= "</video>";
4678                 } */
4679
4680
4681
4682                 return $entry;
4683         }
4684
4685         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4686                 $zoom_mode = false) {
4687
4688                 /* we can figure out feed_id from article id anyway, why do we
4689                  * pass feed_id here? let's ignore the argument :( */
4690
4691                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4692                         WHERE ref_id = '$id'");
4693
4694                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4695
4696                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4697
4698                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4699                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4700
4701                 if (db_num_rows($result) == 1) {
4702                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4703                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4704                 } else {
4705                         $rtl_content = false;
4706                         $always_display_enclosures = false;
4707                 }
4708
4709                 if ($rtl_content) {
4710                         $rtl_tag = "dir=\"RTL\"";
4711                         $rtl_class = "RTL";
4712                 } else {
4713                         $rtl_tag = "";
4714                         $rtl_class = "";
4715                 }
4716
4717                 if ($mark_as_read) {
4718                         $result = db_query($link, "UPDATE ttrss_user_entries
4719                                 SET unread = false,last_read = NOW()
4720                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4721
4722                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4723                 }
4724
4725                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4726                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4727                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4728                         (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
4729                         num_comments,
4730                         author,
4731                         orig_feed_id,
4732                         note
4733                         FROM ttrss_entries,ttrss_user_entries
4734                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4735
4736                 if ($result) {
4737
4738                         $line = db_fetch_assoc($result);
4739
4740                         if ($line["icon_url"]) {
4741                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4742                         } else {
4743                                 $feed_icon = "&nbsp;";
4744                         }
4745
4746                         $feed_site_url = $line['site_url'];
4747
4748                         $num_comments = $line["num_comments"];
4749                         $entry_comments = "";
4750
4751                         if ($num_comments > 0) {
4752                                 if ($line["comments"]) {
4753                                         $comments_url = $line["comments"];
4754                                 } else {
4755                                         $comments_url = $line["link"];
4756                                 }
4757                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4758                         } else {
4759                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4760                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4761                                 }
4762                         }
4763
4764                         if ($zoom_mode) {
4765                                 header("Content-Type: text/html");
4766                                 print "<html><head>
4767                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4768                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4769                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4770                                         </head><body>";
4771                         }
4772
4773
4774                         print "<div class=\"postReply\">";
4775                         print "<div class=\"postHeader\">";
4776
4777                         $entry_author = $line["author"];
4778
4779                         if ($entry_author) {
4780                                 $entry_author = __(" - ") . $entry_author;
4781                         }
4782
4783                         $parsed_updated = make_local_datetime($link, $line["updated"], true,
4784                                 false, true);
4785
4786                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4787
4788                         if ($line["link"]) {
4789                                 print "<div clear='both'><a target='_blank' href=\"" . $line["link"] . "\">" .
4790                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4791                         } else {
4792                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4793                         }
4794
4795                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4796
4797                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4798
4799                         print "<div style='float : right'>
4800                                 <img src='".theme_image($link, 'images/tag.png')."'
4801                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4802
4803                         if (!$zoom_mode) {
4804                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4805                                         <a title=\"".__('Edit tags for this article')."\"
4806                                         href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
4807
4808                                 print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
4809                                                 class='tagsPic' style=\"cursor : pointer\"
4810                                                 onclick=\"zoomToArticle($id)\"
4811                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4812
4813                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4814
4815                                 print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
4816                                                 class='tagsPic' style=\"cursor : pointer\"
4817                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4818                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4819
4820                                 if (DIGEST_ENABLE) {
4821                                         print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
4822                                                 class='tagsPic' style=\"cursor : pointer\"
4823                                                 onclick=\"emailArticle($id)\"
4824                                                 alt='Zoom' title='".__('Forward by email')."'>";
4825                                 }
4826
4827                         } else {
4828                                 $tags_str = strip_tags($tags_str);
4829                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4830                         }
4831                         print "</div>";
4832                         print "<div clear='both'>$entry_comments</div>";
4833
4834                         if ($line["orig_feed_id"]) {
4835
4836                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4837                                         WHERE id = ".$line["orig_feed_id"]);
4838
4839                                 if (db_num_rows($tmp_result) != 0) {
4840
4841                                         print "<div clear='both'>";
4842                                         print __("Originally from:");
4843
4844                                         print "&nbsp;";
4845
4846                                         $tmp_line = db_fetch_assoc($tmp_result);
4847
4848                                         print "<a target='_blank'
4849                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4850                                                 $tmp_line['title'] . "</a>";
4851
4852                                         print "&nbsp;";
4853
4854                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4855                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4856
4857                                         print "</div>";
4858                                 }
4859                         }
4860
4861                         print "</div>";
4862
4863                         print "<div class=\"postIcon\">" .
4864                                 "<a target=\"_blank\" title=\"".__("Visit the website")."\"$
4865                                 href=\"".htmlspecialchars($feed_site_url)."\">".
4866                                 $feed_icon . "</a></div>";
4867
4868                         print "<div class=\"postContent\">";
4869
4870                         $article_content = sanitize_rss($link, $line["content"], false, false,
4871                                 $feed_site_url);
4872
4873                         print "<div id=\"POSTNOTE-$id\">";
4874                                 if ($line['note']) {
4875                                         print format_article_note($id, $line['note']);
4876                                 }
4877                         print "</div>";
4878
4879                         print $article_content;
4880
4881                         print_article_enclosures($link, $id, $always_display_enclosures,
4882                                 $article_content);
4883
4884                         print "</div>";
4885
4886                         print "</div>";
4887
4888                 }
4889
4890                 if (!$zoom_mode) {
4891                         print "]]></article>";
4892                 } else {
4893                         print "
4894                                 <div style=\"text-align : center\">
4895                                 <button onclick=\"return window.close()\">".
4896                                         __("Close this window")."</button></div>";
4897                         print "</body></html>";
4898
4899                 }
4900
4901         }
4902
4903         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4904                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4905                                         $override_order = false) {
4906
4907                 $disable_cache = false;
4908
4909                 $timing_info = getmicrotime();
4910
4911                 $topmost_article_ids = array();
4912
4913                 if (!$offset) {
4914                         $offset = 0;
4915                 }
4916
4917                 if ($subop == "undefined") $subop = "";
4918
4919                 $subop_split = split(":", $subop);
4920
4921                 if ($subop == "CatchupSelected") {
4922                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
4923                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
4924
4925                         catchupArticlesById($link, $ids, $cmode);
4926                 }
4927
4928                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0 && !$cat_view) {
4929                         update_generic_feed($link, $feed, $cat_view, true);
4930                 }
4931
4932                 if ($subop == "MarkAllRead")  {
4933                         catchup_feed($link, $feed, $cat_view);
4934
4935                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4936                                 if ($next_unread_feed) {
4937                                         $feed = $next_unread_feed;
4938                                 }
4939                         }
4940                 }
4941
4942                 if ($subop_split[0] == "MarkAllReadGR")  {
4943                         catchup_feed($link, $subop_split[1], false);
4944                 }
4945
4946                 // FIXME: might break tag display?
4947
4948                 if ($feed > 0 && !$cat_view) {
4949                         $result = db_query($link,
4950                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4951
4952                         if (db_num_rows($result) == 0) {
4953                                 print "<div align='center'>".__('Feed not found.')."</div>";
4954                                 return;
4955                         }
4956                 }
4957
4958                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4959
4960                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4961                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4962
4963                         if (db_num_rows($result) == 1) {
4964                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4965                         } else {
4966                                 $rtl_content = false;
4967                         }
4968
4969                         if ($rtl_content) {
4970                                 $rtl_tag = "dir=\"RTL\"";
4971                         } else {
4972                                 $rtl_tag = "";
4973                         }
4974                 } else {
4975                         $rtl_tag = "";
4976                         $rtl_content = false;
4977                 }
4978
4979                 /// START /////////////////////////////////////////////////////////////////////////////////
4980
4981                 @$search = db_escape_string($_REQUEST["query"]);
4982
4983                 if ($search) {
4984                         $disable_cache = true;
4985                 }
4986
4987                 @$search_mode = db_escape_string($_REQUEST["search_mode"]);
4988                 @$match_on = db_escape_string($_REQUEST["match_on"]);
4989
4990                 if (!$match_on) {
4991                         $match_on = "both";
4992                 }
4993
4994                 $real_offset = $offset * $limit;
4995
4996                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4997
4998                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4999                         $search, $search_mode, $match_on, $override_order, $real_offset);
5000
5001                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
5002
5003                 $result = $qfh_ret[0];
5004                 $feed_title = $qfh_ret[1];
5005                 $feed_site_url = $qfh_ret[2];
5006                 $last_error = $qfh_ret[3];
5007
5008                 $vgroup_last_feed = $vgr_last_feed;
5009
5010 /*              if ($feed == -2) {
5011                         $feed_site_url = article_publish_url($link);
5012                 } */
5013
5014                 /// STOP //////////////////////////////////////////////////////////////////////////////////
5015
5016                 print "<toolbar><![CDATA[";
5017
5018                 if (!$offset) {
5019 //                      print "<div id=\"headlinesContainer\" $rtl_tag>";
5020
5021                         if (!$result) {
5022                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
5023                                 return;
5024                         }
5025
5026                         if (db_num_rows($result) > 0) {
5027                                 print_headline_subtoolbar($link, $feed_site_url, $feed_title,
5028                                         $feed, $cat_view, $search, $match_on, $search_mode, $view_mode);
5029
5030 //                              print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
5031
5032                         }
5033                 }
5034
5035                 print "]]></toolbar><content><![CDATA[";
5036
5037                 $headlines_count = db_num_rows($result);
5038
5039                 if (db_num_rows($result) > 0) {
5040
5041                         $lnum = $limit*$offset;
5042
5043                         $num_unread = 0;
5044                         $cur_feed_title = '';
5045
5046                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
5047
5048                         while ($line = db_fetch_assoc($result)) {
5049
5050                                 $class = ($lnum % 2) ? "even" : "odd";
5051
5052                                 $id = $line["id"];
5053                                 $feed_id = $line["feed_id"];
5054
5055                                 $labels = get_article_labels($link, $id);
5056
5057                                 $labels_str = "<span id=\"HLLCTR-$id\">";
5058                                 $labels_str .= format_article_labels($labels, $id);
5059                                 $labels_str .= "</span>";
5060
5061                                 if (count($topmost_article_ids) < 3) {
5062                                         array_push($topmost_article_ids, $id);
5063                                 }
5064
5065                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5066
5067                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5068                                                 theme_image($link, 'images/updated.png')."\"
5069                                                 alt=\"Updated\">";
5070                                 } else {
5071                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
5072                                                 alt=\"Updated\">";
5073                                 }
5074
5075                                 if (sql_bool_to_bool($line["unread"]) &&
5076                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5077
5078                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5079                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
5080                                 }
5081
5082                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5083                                         $class .= " Unread";
5084                                         ++$num_unread;
5085                                         $is_unread = true;
5086                                 } else {
5087                                         $is_unread = false;
5088                                 }
5089
5090                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5091                                         $marked_pic = "<img id=\"FMPIC-$id\"
5092                                                 src=\"".theme_image($link, 'images/mark_set.png')."\"
5093                                                 class=\"markedPic\" alt=\"Unstar article\"
5094                                                 onclick='javascript:tMark($id)'>";
5095                                 } else {
5096                                         $marked_pic = "<img id=\"FMPIC-$id\"
5097                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\"
5098                                                 class=\"markedPic\" alt=\"Star article\"
5099                                                 onclick='javascript:tMark($id)'>";
5100                                 }
5101
5102                                 if ($line["published"] == "t" || $line["published"] == "1") {
5103                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5104                                                 'images/pub_set.png')."\"
5105                                                 class=\"markedPic\"
5106                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5107                                 } else {
5108                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5109                                                 'images/pub_unset.png')."\"
5110                                                 class=\"markedPic\"
5111                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5112                                 }
5113
5114 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5115 #                                       $line["title"] . "</a>";
5116
5117 #                               $content_link = "<a
5118 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5119 #                                       onclick=\"view($id,$feed_id);\">" .
5120 #                                       $line["title"] . "</a>";
5121
5122 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5123 #                                       $line["title"] . "</a>";
5124
5125                                 $updated_fmt = make_local_datetime($link, $line["updated_noms"], false);
5126
5127                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5128                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5129                                                 100);
5130                                 }
5131
5132                                 $score = $line["score"];
5133
5134                                 $score_pic = theme_image($link,
5135                                         "images/" . get_score_pic($score));
5136
5137 /*                              $score_title = __("(Click to change)");
5138                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5139                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5140
5141                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\"
5142                                         title=\"$score\">";
5143
5144                                 if ($score > 500) {
5145                                         $hlc_suffix = "H";
5146                                 } else if ($score < -100) {
5147                                         $hlc_suffix = "L";
5148                                 } else {
5149                                         $hlc_suffix = "";
5150                                 }
5151
5152                                 $entry_author = $line["author"];
5153
5154                                 if ($entry_author) {
5155                                         $entry_author = " - $entry_author";
5156                                 }
5157
5158                                 $has_feed_icon = feed_has_icon($feed_id);
5159
5160                                 if ($has_feed_icon) {
5161                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5162                                 } else {
5163                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5164                                         $feed_icon_img = "";
5165                                 }
5166
5167                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5168
5169                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5170                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5171
5172                                                         $cur_feed_title = $line["feed_title"];
5173                                                         $vgroup_last_feed = $feed_id;
5174
5175                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5176
5177                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5178
5179                                                         print "<div class='cdmFeedTitle'>".
5180                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5181                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5182                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5183
5184                                                 }
5185                                         }
5186
5187                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5188                                                 onmouseout='postMouseOut($id)'";
5189
5190                                         print "<div class='$class' id='RROW-$id' $mouseover_attrs>";
5191
5192                                         print "<div class='hlUpdPic'>$update_pic</div>";
5193
5194                                         print "<div class='hlLeft'>";
5195
5196                                         print "<input type=\"checkbox\" onclick=\"tSR(this)\"
5197                                                         id=\"RCHK-$id\">";
5198
5199                                         print "$marked_pic";
5200                                         print "$published_pic";
5201
5202                                         print "</div>";
5203
5204                                         print "<div onclick='return hlClicked(event, $id)'
5205                                                 class=\"hlTitle\"><span class='hlContent$hlc_suffix'>";
5206                                         print "<a id=\"RTITLE-$id\"
5207                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5208                                                 onclick=\"return false;\">" .
5209                                                 $line["title"];
5210
5211                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5212                                                 if ($content_preview) {
5213                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5214                                                 }
5215                                         }
5216
5217                                         print "</a></span>";
5218
5219                                         print $labels_str;
5220
5221                                         /* if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5222                                                 if (@$line["feed_title"]) {
5223                                                         print "<span class=\"hlFeed\">
5224                                                                 (<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5225                                                                 $line["feed_title"]."</a>)
5226                                                         </span>";
5227                                                 }
5228                                         } */
5229
5230                                         print "</div>";
5231
5232                                         print "<div class=\"hlRight\">";
5233                                         print "<span class=\"hlUpdated\">$updated_fmt</span>";
5234                                         print $score_pic;
5235
5236                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5237
5238                                                 print "<span onclick=\"viewfeed($feed_id)\"
5239                                                         title=\"".htmlspecialchars($line['feed_title'])."\">
5240                                                         $feed_icon_img<span>";
5241                                         }
5242
5243                                         print "</div>";
5244                                         print "</div>";
5245
5246                                 } else {
5247
5248                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5249                                                 if ($feed_id != $vgroup_last_feed) {
5250
5251                                                         $cur_feed_title = $line["feed_title"];
5252                                                         $vgroup_last_feed = $feed_id;
5253
5254                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5255
5256                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5257
5258                                                         $has_feed_icon = feed_has_icon($feed_id);
5259
5260                                                         if ($has_feed_icon) {
5261                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5262                                                         } else {
5263                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5264                                                         }
5265
5266                                                         print "<div class='cdmFeedTitle'>".
5267                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5268                                                                 "<a href=\"#\" onclick=\"viewfeed($feed_id)\">".
5269                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5270                                                 }
5271                                         }
5272
5273                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5274
5275                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5276                                                 onmouseout='postMouseOut($id)'";
5277
5278                                         print "<div class=\"$class\"
5279                                                 id=\"RROW-$id\"
5280                                                 $mouseover_attrs'>";
5281
5282                                         print "<div class=\"cdmHeader\">";
5283
5284                                         print "<div style='float : right'>";
5285                                         print "<span class='updated'>$updated_fmt</span>";
5286                                         print "$score_pic";
5287
5288                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") && $line["feed_title"]) {
5289                                                 print "<span style=\"cursor : pointer\"
5290                                                         title=\"".htmlspecialchars($line["feed_title"])."\"
5291                                                         onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5292                                         }
5293                                         print "<div class=\"updPic\">$update_pic</div>";
5294
5295                                         print "</div>";
5296
5297                                         print "<input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5298                                                         'RROW-$id')\" id=\"RCHK-$id\"/>";
5299
5300                                         print "$marked_pic";
5301                                         print "$published_pic";
5302
5303                                         print "<span id=\"RTITLE-$id\"
5304                                                 onclick=\"return cdmExpandArticle($id)\"
5305                                                 class=\"titleWrap$hlc_suffix\">
5306                                                 <a class=\"title\"
5307                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5308                                                 $entry_author
5309                                                 </span>";
5310
5311                                         print $labels_str;
5312
5313                                         if (!$expand_cdm)
5314                                                 $content_hidden = "style=\"display : none\"";
5315                                         else
5316                                                 $excerpt_hidden = "style=\"display : none\"";
5317
5318                                         print "<span $excerpt_hidden
5319                                                 onclick=\"return cdmExpandArticle($id)\"
5320                                                 id=\"CEXC-$id\" class=\"cdmExcerpt\"> - $content_preview</span>";
5321
5322                                         print "</div>";
5323
5324                                         print "<div class=\"cdmContent\" $content_hidden
5325                                                 onclick=\"return cdmClicked(event, $id);\"
5326                                                 id=\"CICD-$id\">";
5327
5328                                         print "<div class=\"cdmContentInner\">";
5329
5330                         if ($line["orig_feed_id"]) {
5331
5332                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5333                                         WHERE id = ".$line["orig_feed_id"]);
5334
5335                                                 if (db_num_rows($tmp_result) != 0) {
5336
5337                                                         print "<div clear='both'>";
5338                                                         print __("Originally from:");
5339
5340                                                         print "&nbsp;";
5341
5342                                                         $tmp_line = db_fetch_assoc($tmp_result);
5343
5344                                                         print "<a target='_blank'
5345                                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5346                                                                 $tmp_line['title'] . "</a>";
5347
5348                                                         print "&nbsp;";
5349
5350                                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5351                                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5352
5353                                                         print "</div>";
5354                                                 }
5355                                         }
5356
5357                                         // FIXME: make this less of a hack
5358
5359                                         $feed_site_url = false;
5360
5361                                         if ($line["feed_id"]) {
5362                                                 $tmp_result = db_query($link, "SELECT site_url FROM ttrss_feeds
5363                                                         WHERE id = " . $line["feed_id"]);
5364
5365                                                 if (db_num_rows($tmp_result) == 1) {
5366                                                         $feed_site_url = db_fetch_result($tmp_result, 0, "site_url");
5367                                                 }
5368                                         }
5369
5370                                         if ($expand_cdm) {
5371                                                 $article_content = sanitize_rss($link, $line["content_preview"],
5372                                                         false, false, $feed_site_url);
5373
5374                                                 if (!$article_content) $article_content = "&nbsp;";
5375                                         } else {
5376                                                 $article_content = '';
5377                                         }
5378
5379                                         print "<div id=\"POSTNOTE-$id\">";
5380                                         if ($line['note']) {
5381                                                 print format_article_note($id, $line['note']);
5382                                         }
5383                                         print "</div>";
5384
5385                                         print "<span id=\"CWRAP-$id\">$article_content</span>";
5386
5387                                         $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5388                                                 ttrss_feeds WHERE id = ".
5389                                                 (($line['feed_id'] == null) ? $line['orig_feed_id'] :
5390                                                                 $line['feed_id'])." AND owner_uid = ".$_SESSION["uid"]);
5391
5392                                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($tmp_result,
5393                                                 0, "always_display_enclosures"));
5394
5395                                         print_article_enclosures($link, $id, $always_display_enclosures,
5396                                                 $article_content);
5397
5398                                         print "</div>";
5399
5400                                         print "<div class=\"cdmFooter\">";
5401
5402                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5403
5404                                         print "<img src='".theme_image($link,
5405                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5406                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5407                                                 <a title=\"".__('Edit tags for this article')."\"
5408                                                 href=\"#\" onclick=\"editArticleTags($id, $feed_id, true)\">(+)</a>";
5409
5410                                         print "<div style=\"float : right\">";
5411
5412                                         print "<img src=\"images/art-zoom.png\"
5413                                                 onclick=\"zoomToArticle($id)\"
5414                                                 style=\"cursor : pointer\"
5415                                                 alt='Zoom'
5416                                                 title='".__('Show article summary in new window')."'>";
5417
5418                                         if (DIGEST_ENABLE) {
5419                                                 print "<img src=\"".theme_image($link, 'images/art-email.png')."\"
5420                                                         style=\"cursor : pointer\"
5421                                                         onclick=\"emailArticle($id)\"
5422                                                         alt='Zoom' title='".__('Forward by email')."'>";
5423                                         }
5424
5425                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5426
5427                                         print "<img src=\"images/art-pub-note.png\"
5428                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5429                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5430                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5431
5432                                         print "<img src=\"images/digest_checkbox.png\"
5433                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5434                                                 onclick=\"dismissArticle($id)\"
5435                                                 alt='Dismiss' title='".__('Dismiss article')."'>";
5436
5437                                         print "</div>";
5438                                         print "</div>";
5439
5440                                         print "</div>";
5441
5442                                         print "</div>";
5443
5444                                 }
5445
5446                                 ++$lnum;
5447                         }
5448
5449                 } else {
5450                         $message = "";
5451
5452                         switch ($view_mode) {
5453                                 case "unread":
5454                                         $message = __("No unread articles found to display.");
5455                                         break;
5456                                 case "updated":
5457                                         $message = __("No updated articles found to display.");
5458                                         break;
5459                                 case "marked":
5460                                         $message = __("No starred articles found to display.");
5461                                         break;
5462                                 default:
5463                                         if ($feed < -10) {
5464                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5465                                         } else {
5466                                                 $message = __("No articles found to display.");
5467                                         }
5468                         }
5469
5470                         if (!$offset && $message) {
5471                                 print "<div class='whiteBox'>$message";
5472
5473                                 print "<p class=\"small\"><span class=\"insensitive\">";
5474
5475                                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
5476                                         WHERE owner_uid = " . $_SESSION['uid']);
5477
5478                                 $last_updated = db_fetch_result($result, 0, "last_updated");
5479                                 $last_updated = make_local_datetime($link, $last_updated, false);
5480
5481                                 printf(__("Feeds last updated at %s"), $last_updated);
5482
5483                                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
5484                                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
5485
5486                                 $num_errors = db_fetch_result($result, 0, "num_errors");
5487
5488                                 if ($num_errors > 0) {
5489                                         print "<br/>";
5490                                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
5491                                                 __('Some feeds have update errors (click for details)')."</a>";
5492                                 }
5493                                 print "</span></p></div>";
5494                         }
5495                 }
5496
5497 #               if (!$offset) {
5498 #                       if ($headlines_count > 0) print "</div>";
5499 #                       print "</div>";
5500 #               }
5501
5502                 print "]]></content>";
5503
5504                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5505         }
5506
5507 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5508
5509         function printTagCloud($link) {
5510
5511                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5512                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5513                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5514
5515                 $result = db_query($link, $query);
5516
5517                 $tags = array();
5518
5519                 while ($line = db_fetch_assoc($result)) {
5520                         $tags[$line["tag_name"]] = $line["count"];
5521                 }
5522
5523                 ksort($tags);
5524
5525                 $max_size = 32; // max font size in pixels
5526                 $min_size = 11; // min font size in pixels
5527
5528                 // largest and smallest array values
5529                 $max_qty = max(array_values($tags));
5530                 $min_qty = min(array_values($tags));
5531
5532                 // find the range of values
5533                 $spread = $max_qty - $min_qty;
5534                 if ($spread == 0) { // we don't want to divide by zero
5535                                 $spread = 1;
5536                 }
5537
5538                 // set the font-size increment
5539                 $step = ($max_size - $min_size) / ($spread);
5540
5541                 // loop through the tag array
5542                 foreach ($tags as $key => $value) {
5543                         // calculate font-size
5544                         // find the $value in excess of $min_qty
5545                         // multiply by the font-size increment ($size)
5546                         // and add the $min_size set above
5547                         $size = round($min_size + (($value - $min_qty) * $step));
5548
5549                         $key_escaped = str_replace("'", "\\'", $key);
5550
5551                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5552                                 $size . "px\" title=\"$value articles tagged with " .
5553                                 $key . '">' . $key . '</a> ';
5554                 }
5555         }
5556
5557         function print_checkpoint($n, $s) {
5558                 $ts = getmicrotime();
5559                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5560                 return $ts;
5561         }
5562
5563         function sanitize_tag($tag) {
5564                 $tag = trim($tag);
5565
5566                 $tag = mb_strtolower($tag, 'utf-8');
5567
5568                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5569
5570 //              $tag = str_replace('"', "", $tag);
5571 //              $tag = str_replace("+", " ", $tag);
5572                 $tag = str_replace("technorati tag: ", "", $tag);
5573
5574                 return $tag;
5575         }
5576
5577         function get_self_url_prefix() {
5578
5579                 $url_path = "";
5580
5581                 if ($_SERVER['HTTPS'] != "on") {
5582                         $url_path = "http://";
5583                 } else {
5584                         $url_path = "https://";
5585                 }
5586
5587                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5588
5589                 return $url_path;
5590
5591         }
5592         function opml_publish_url($link){
5593
5594                 $url_path = get_self_url_prefix();
5595                 $url_path .= "/opml.php?op=publish&key=" .
5596                         get_feed_access_key($link, 'OPML:Publish', false, $_SESSION["uid"]);
5597
5598                 return $url_path;
5599         }
5600
5601         /**
5602          * Purge a feed contents, marked articles excepted.
5603          *
5604          * @param mixed $link The database connection.
5605          * @param integer $id The id of the feed to purge.
5606          * @return void
5607          */
5608         function clear_feed_articles($link, $id) {
5609
5610                 if ($id != 0) {
5611                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5612                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5613                 } else {
5614                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5615                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5616                 }
5617
5618                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5619                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5620
5621                 ccache_update($link, $id, $_SESSION['uid']);
5622         } // function clear_feed_articles
5623
5624         /**
5625          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5626          *
5627          * @return string The Mozilla Firefox feed adding URL.
5628          */
5629         function add_feed_url() {
5630                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5631                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5632                 return $url_path;
5633         } // function add_feed_url
5634
5635         /**
5636          * Encrypt a password in SHA1.
5637          *
5638          * @param string $pass The password to encrypt.
5639          * @param string $login A optionnal login.
5640          * @return string The encrypted password.
5641          */
5642         function encrypt_password($pass, $login = '') {
5643                 if ($login) {
5644                         return "SHA1X:" . sha1("$login:$pass");
5645                 } else {
5646                         return "SHA1:" . sha1($pass);
5647                 }
5648         } // function encrypt_password
5649
5650         /**
5651          * Update a feed batch.
5652          * Used by daemons to update n feeds by run.
5653          * Only update feed needing a update, and not being processed
5654          * by another process.
5655          *
5656          * @param mixed $link Database link
5657          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5658          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5659          * @param boolean $debug Set to false to disable debug output. Default to true.
5660          * @return void
5661          */
5662         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5663                 // Process all other feeds using last_updated and interval parameters
5664
5665                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5666                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5667                         if (DB_TYPE == "pgsql") {
5668                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5669                         } else {
5670                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5671                         }
5672                 } else {
5673                         $login_thresh_qpart = "";
5674                 }
5675
5676                 // Test if the feed need a update (update interval exceded).
5677                 if (DB_TYPE == "pgsql") {
5678                         $update_limit_qpart = "AND ((
5679                                         ttrss_feeds.update_interval = 0
5680                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5681                                 ) OR (
5682                                         ttrss_feeds.update_interval > 0
5683                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5684                                 ) OR ttrss_feeds.last_updated IS NULL)";
5685                 } else {
5686                         $update_limit_qpart = "AND ((
5687                                         ttrss_feeds.update_interval = 0
5688                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5689                                 ) OR (
5690                                         ttrss_feeds.update_interval > 0
5691                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5692                                 ) OR ttrss_feeds.last_updated IS NULL)";
5693                 }
5694
5695                 // Test if feed is currently being updated by another process.
5696                 if (DB_TYPE == "pgsql") {
5697                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5698                 } else {
5699                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5700                 }
5701
5702                 // Test if there is a limit to number of updated feeds
5703                 $query_limit = "";
5704                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5705
5706                 $random_qpart = sql_random_function();
5707
5708                 // We search for feed needing update.
5709                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5710                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5711                                 ttrss_feeds.update_interval
5712                         FROM
5713                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5714                         WHERE
5715                                 ttrss_feeds.owner_uid = ttrss_users.id
5716                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5717                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5718                                 $login_thresh_qpart $update_limit_qpart
5719                          $updstart_thresh_qpart
5720                         ORDER BY $random_qpart $query_limit");
5721
5722                 $user_prefs_cache = array();
5723
5724                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5725
5726                 // Here is a little cache magic in order to minimize risk of double feed updates.
5727                 $feeds_to_update = array();
5728                 while ($line = db_fetch_assoc($result)) {
5729                         $feeds_to_update[$line['id']] = $line;
5730                 }
5731
5732                 // We update the feed last update started date before anything else.
5733                 // There is no lag due to feed contents downloads
5734                 // It prevent an other process to update the same feed.
5735                 $feed_ids = array_keys($feeds_to_update);
5736                 if($feed_ids) {
5737                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5738                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5739                 }
5740
5741                 // For each feed, we call the feed update function.
5742                 while ($line = array_pop($feeds_to_update)) {
5743
5744                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5745
5746                         update_rss_feed($link, $line["id"], true);
5747
5748                         sleep(1); // prevent flood (FIXME make this an option?)
5749                 }
5750
5751                 // Send feed digests by email if needed.
5752                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5753
5754         } // function update_daemon_common
5755
5756         function sanitize_article_content($text) {
5757                 # we don't support CDATA sections in articles, they break our own escaping
5758                 $text = preg_replace("/\[\[CDATA/", "", $text);
5759                 $text = preg_replace("/\]\]\>/", "", $text);
5760                 return $text;
5761         }
5762
5763         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5764                 $filters = array();
5765
5766                 global $memcache;
5767
5768                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5769
5770                 if ($memcache && $obj = $memcache->get($obj_id)) {
5771
5772                         return $obj;
5773
5774                 } else {
5775
5776                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5777
5778                         $result = db_query($link, "SELECT reg_exp,
5779                                 ttrss_filter_types.name AS name,
5780                                 ttrss_filter_actions.name AS action,
5781                                 inverse,
5782                                 action_param,
5783                                 filter_param
5784                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5785                                         enabled = true AND
5786                                         $ftype_query_part
5787                                         owner_uid = $owner_uid AND
5788                                         ttrss_filter_types.id = filter_type AND
5789                                         ttrss_filter_actions.id = action_id AND
5790                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5791
5792                         while ($line = db_fetch_assoc($result)) {
5793                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5794                                         $filter["reg_exp"] = $line["reg_exp"];
5795                                         $filter["action"] = $line["action"];
5796                                         $filter["action_param"] = $line["action_param"];
5797                                         $filter["filter_param"] = $line["filter_param"];
5798                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5799
5800                                         array_push($filters[$line["name"]], $filter);
5801                                 }
5802
5803                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5804
5805                         return $filters;
5806                 }
5807         }
5808
5809         function get_score_pic($score) {
5810                 if ($score > 100) {
5811                         return "score_high.png";
5812                 } else if ($score > 0) {
5813                         return "score_half_high.png";
5814                 } else if ($score < -100) {
5815                         return "score_low.png";
5816                 } else if ($score < 0) {
5817                         return "score_half_low.png";
5818                 } else {
5819                         return "score_neutral.png";
5820                 }
5821         }
5822
5823         function rounded_table_start($classname, $header = "&nbsp;") {
5824                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5825                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5826                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5827         }
5828
5829         function rounded_table_end($footer = "&nbsp;") {
5830                 print "</td><td class='right'>&nbsp;</td></tr>";
5831                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5832                 print "</table>";
5833         }
5834
5835         function feed_has_icon($id) {
5836                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5837         }
5838
5839         function init_connection($link) {
5840                 if (DB_TYPE == "pgsql") {
5841                         pg_query($link, "set client_encoding = 'UTF-8'");
5842                         pg_set_client_encoding("UNICODE");
5843                         pg_query($link, "set datestyle = 'ISO, european'");
5844                         pg_query($link, "set TIME ZONE 0");
5845                 } else {
5846                         db_query($link, "SET time_zone = '+0:0'");
5847
5848                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5849                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5850         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5851                         }
5852                 }
5853         }
5854
5855         function update_feedbrowser_cache($link) {
5856
5857                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
5858                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5859                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5860                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5861                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
5862
5863                 db_query($link, "BEGIN");
5864
5865                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5866
5867                 $count = 0;
5868
5869                 while ($line = db_fetch_assoc($result)) {
5870                         $subscribers = db_escape_string($line["subscribers"]);
5871                         $feed_url = db_escape_string($line["feed_url"]);
5872                         $title = db_escape_string($line["title"]);
5873
5874                         $tmp_result = db_query($link, "SELECT subscribers FROM
5875                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
5876
5877                         if (db_num_rows($tmp_result) == 0) {
5878
5879                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5880                                         (feed_url, title, subscribers) VALUES ('$feed_url',
5881                                                 '$title', '$subscribers')");
5882
5883                                 ++$count;
5884
5885                         }
5886
5887                 }
5888
5889                 db_query($link, "COMMIT");
5890
5891                 return $count;
5892
5893         }
5894
5895         function ccache_zero($link, $feed_id, $owner_uid) {
5896                 db_query($link, "UPDATE ttrss_counters_cache SET
5897                         value = 0, updated = NOW() WHERE
5898                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5899         }
5900
5901         function ccache_zero_all($link, $owner_uid) {
5902                 db_query($link, "UPDATE ttrss_counters_cache SET
5903                         value = 0 WHERE owner_uid = '$owner_uid'");
5904
5905                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
5906                         value = 0 WHERE owner_uid = '$owner_uid'");
5907         }
5908
5909         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
5910
5911                 if (!$is_cat) {
5912                         $table = "ttrss_counters_cache";
5913                 } else {
5914                         $table = "ttrss_cat_counters_cache";
5915                 }
5916
5917                 db_query($link, "DELETE FROM $table WHERE
5918                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
5919
5920         }
5921
5922         function ccache_update_all($link, $owner_uid) {
5923
5924                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
5925
5926                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
5927                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5928
5929                         while ($line = db_fetch_assoc($result)) {
5930                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
5931                         }
5932
5933                         /* We have to manually include category 0 */
5934
5935                         ccache_update($link, 0, $owner_uid, true);
5936
5937                 } else {
5938                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
5939                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
5940
5941                         while ($line = db_fetch_assoc($result)) {
5942                                 print ccache_update($link, $line["feed_id"], $owner_uid);
5943
5944                         }
5945
5946                 }
5947         }
5948
5949         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
5950                 $no_update = false) {
5951
5952                 if (!is_numeric($feed_id)) return;
5953
5954                 if (!$is_cat) {
5955                         $table = "ttrss_counters_cache";
5956                         if ($feed_id > 0) {
5957                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5958                                         WHERE id = '$feed_id'");
5959                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5960                         }
5961                 } else {
5962                         $table = "ttrss_cat_counters_cache";
5963                 }
5964
5965                 if (DB_TYPE == "pgsql") {
5966                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
5967                 } else if (DB_TYPE == "mysql") {
5968                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
5969                 }
5970
5971                 $result = db_query($link, "SELECT value FROM $table
5972                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
5973                         LIMIT 1");
5974
5975                 if (db_num_rows($result) == 1) {
5976                         return db_fetch_result($result, 0, "value");
5977                 } else {
5978                         if ($no_update) {
5979                                 return -1;
5980                         } else {
5981                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
5982                         }
5983                 }
5984
5985         }
5986
5987         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
5988                 $update_pcat = true) {
5989
5990                 if (!is_numeric($feed_id)) return;
5991
5992                 if (!$is_cat && $feed_id > 0) {
5993                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
5994                                 WHERE id = '$feed_id'");
5995                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
5996                 }
5997
5998                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
5999
6000                 /* When updating a label, all we need to do is recalculate feed counters
6001                  * because labels are not cached */
6002
6003                 if ($feed_id < 0) {
6004                         ccache_update_all($link, $owner_uid);
6005                         return;
6006                 }
6007
6008                 if (!$is_cat) {
6009                         $table = "ttrss_counters_cache";
6010                 } else {
6011                         $table = "ttrss_cat_counters_cache";
6012                 }
6013
6014                 if ($is_cat && $feed_id >= 0) {
6015                         if ($feed_id != 0) {
6016                                 $cat_qpart = "cat_id = '$feed_id'";
6017                         } else {
6018                                 $cat_qpart = "cat_id IS NULL";
6019                         }
6020
6021                         /* Recalculate counters for child feeds */
6022
6023                         $result = db_query($link, "SELECT id FROM ttrss_feeds
6024                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
6025
6026                         while ($line = db_fetch_assoc($result)) {
6027                                 ccache_update($link, $line["id"], $owner_uid, false, false);
6028                         }
6029
6030                         $result = db_query($link, "SELECT SUM(value) AS sv
6031                                 FROM ttrss_counters_cache, ttrss_feeds
6032                                 WHERE id = feed_id AND $cat_qpart AND
6033                                 ttrss_feeds.owner_uid = '$owner_uid'");
6034
6035                         $unread = (int) db_fetch_result($result, 0, "sv");
6036
6037                 } else {
6038                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
6039                 }
6040
6041                 db_query($link, "BEGIN");
6042
6043                 $result = db_query($link, "SELECT feed_id FROM $table
6044                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6045
6046                 if (db_num_rows($result) == 1) {
6047                         db_query($link, "UPDATE $table SET
6048                                 value = '$unread', updated = NOW() WHERE
6049                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6050
6051                 } else {
6052                         db_query($link, "INSERT INTO $table
6053                                 (feed_id, value, owner_uid, updated)
6054                                 VALUES
6055                                 ($feed_id, $unread, $owner_uid, NOW())");
6056                 }
6057
6058                 db_query($link, "COMMIT");
6059
6060                 if ($feed_id > 0 && $prev_unread != $unread) {
6061
6062                         if (!$is_cat) {
6063
6064                                 /* Update parent category */
6065
6066                                 if ($update_pcat) {
6067
6068                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6069                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6070
6071                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6072
6073                                         ccache_update($link, $cat_id, $owner_uid, true);
6074
6075                                 }
6076                         }
6077                 } else if ($feed_id < 0) {
6078                         ccache_update_all($link, $owner_uid);
6079                 }
6080
6081                 return $unread;
6082         }
6083
6084         function label_find_id($link, $label, $owner_uid) {
6085                 $result = db_query($link,
6086                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
6087                                 AND owner_uid = '$owner_uid' LIMIT 1");
6088
6089                 if (db_num_rows($result) == 1) {
6090                         return db_fetch_result($result, 0, "id");
6091                 } else {
6092                         return 0;
6093                 }
6094         }
6095
6096         function get_article_labels($link, $id) {
6097                 global $memcache;
6098
6099                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
6100
6101                 $rv = array();
6102
6103                 if ($memcache && $obj = $memcache->get($obj_id)) {
6104                         return $obj;
6105                 } else {
6106
6107                         $result = db_query($link, "SELECT label_cache FROM
6108                                 ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = " .
6109                                 $_SESSION["uid"]);
6110
6111                         $label_cache = db_fetch_result($result, 0, "label_cache");
6112
6113                         if ($label_cache) {
6114
6115                                 $label_cache = json_decode($label_cache, true);
6116
6117                                 if ($label_cache["no-labels"] == 1)
6118                                         return $rv;
6119                                 else
6120                                         return $label_cache;
6121                         }
6122
6123                         $result = db_query($link,
6124                                 "SELECT DISTINCT label_id,caption,fg_color,bg_color
6125                                         FROM ttrss_labels2, ttrss_user_labels2
6126                                 WHERE id = label_id
6127                                         AND article_id = '$id'
6128                                         AND owner_uid = ".$_SESSION["uid"] . "
6129                                 ORDER BY caption");
6130
6131                         while ($line = db_fetch_assoc($result)) {
6132                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6133                                         $line["bg_color"]);
6134                                 array_push($rv, $rk);
6135                         }
6136                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6137
6138                         if (count($rv) > 0)
6139                                 label_update_cache($link, $id, $rv);
6140                         else
6141                                 label_update_cache($link, $id, array("no-labels" => 1));
6142                 }
6143
6144                 return $rv;
6145         }
6146
6147
6148         function label_find_caption($link, $label, $owner_uid) {
6149                 $result = db_query($link,
6150                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6151                                 AND owner_uid = '$owner_uid' LIMIT 1");
6152
6153                 if (db_num_rows($result) == 1) {
6154                         return db_fetch_result($result, 0, "caption");
6155                 } else {
6156                         return "";
6157                 }
6158         }
6159
6160         function label_update_cache($link, $id, $labels = false, $force = false) {
6161
6162                 if ($force)
6163                         label_clear_cache($link, $id);
6164
6165                 if (!$labels)
6166                         $labels = get_article_labels($link, $id);
6167
6168                 $labels = db_escape_string(json_encode($labels));
6169
6170                 db_query($link, "UPDATE ttrss_user_entries SET
6171                         label_cache = '$labels' WHERE ref_id = '$id'");
6172
6173         }
6174
6175         function label_clear_cache($link, $id) {
6176
6177                 db_query($link, "UPDATE ttrss_user_entries SET
6178                         label_cache = '' WHERE ref_id = '$id'");
6179
6180         }
6181
6182         function label_remove_article($link, $id, $label, $owner_uid) {
6183
6184                 $label_id = label_find_id($link, $label, $owner_uid);
6185
6186                 if (!$label_id) return;
6187
6188                 $result = db_query($link,
6189                         "DELETE FROM ttrss_user_labels2
6190                         WHERE
6191                                 label_id = '$label_id' AND
6192                                 article_id = '$id'");
6193
6194                 label_clear_cache($link, $id);
6195         }
6196
6197         function label_add_article($link, $id, $label, $owner_uid) {
6198
6199                 global $memcache;
6200
6201                 if ($memcache) {
6202                         $obj_id = md5("LABELS:$id:$owner_uid");
6203                         $memcache->delete($obj_id);
6204                 }
6205
6206                 $label_id = label_find_id($link, $label, $owner_uid);
6207
6208                 if (!$label_id) return;
6209
6210                 $result = db_query($link,
6211                         "SELECT
6212                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6213                         WHERE
6214                                 label_id = id AND
6215                                 label_id = '$label_id' AND
6216                                 article_id = '$id' AND owner_uid = '$owner_uid'
6217                         LIMIT 1");
6218
6219                 if (db_num_rows($result) == 0) {
6220                         db_query($link, "INSERT INTO ttrss_user_labels2
6221                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6222                 }
6223
6224                 label_clear_cache($link, $id);
6225
6226         }
6227
6228         function label_remove($link, $id, $owner_uid) {
6229                 global $memcache;
6230
6231                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6232
6233                 if ($memcache) {
6234                         $obj_id = md5("LABELS:$id:$owner_uid");
6235                         $memcache->delete($obj_id);
6236                 }
6237
6238                 db_query($link, "BEGIN");
6239
6240                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6241                         WHERE id = '$id'");
6242
6243                 $caption = db_fetch_result($result, 0, "caption");
6244
6245                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6246                         AND owner_uid = " . $owner_uid);
6247
6248                 if (db_affected_rows($link, $result) != 0 && $caption) {
6249
6250                         /* Remove access key for the label */
6251
6252                         $ext_id = -11 - $id;
6253
6254                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6255                                 feed_id = '$ext_id' AND owner_uid = $owner_uid");
6256
6257                         /* Disable filters that reference label being removed */
6258
6259                         db_query($link, "UPDATE ttrss_filters SET
6260                                 enabled = false WHERE action_param = '$caption'
6261                                         AND action_id = 7
6262                                         AND owner_uid = " . $owner_uid);
6263
6264                         /* Remove cached data */
6265
6266                         db_query($link, "UPDATE ttrss_user_entries SET label_cache = ''
6267                                 WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
6268
6269                 }
6270
6271                 db_query($link, "COMMIT");
6272         }
6273
6274         function label_create($link, $caption) {
6275
6276                 db_query($link, "BEGIN");
6277
6278                 $result = false;
6279
6280                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6281                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6282
6283                 if (db_num_rows($result) == 0) {
6284                         $result = db_query($link,
6285                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6286                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6287
6288                         $result = db_affected_rows($link, $result) != 0;
6289                 }
6290
6291                 db_query($link, "COMMIT");
6292
6293                 return $result;
6294         }
6295
6296         function print_labels_headlines_dropdown($link, $feed_id) {
6297                 print "<li onclick=\"javascript:addLabel()\">
6298                         &nbsp;&nbsp;".__("Create label...")."</li>";
6299
6300                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6301                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6302
6303                 while ($line = db_fetch_assoc($result)) {
6304
6305                         $label_id = $line["id"];
6306                         $label_caption = $line["caption"];
6307                         $id = $line["id"];
6308
6309                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6310                                 print "<li id=\"LHDL-$id\"
6311                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
6312                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
6313                         } else {
6314                                 print "<li id=\"LHDL-$id\"
6315                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
6316                                         &nbsp;&nbsp;$label_caption</li>";
6317                         }
6318                 }
6319         }
6320
6321         function format_tags_string($tags, $id) {
6322
6323                 $tags_str = "";
6324                 $tags_nolinks_str = "";
6325
6326                 $num_tags = 0;
6327
6328 /*              if (get_user_theme($link) == "3pane") {
6329                         $tag_limit = 3;
6330                 } else {
6331                         $tag_limit = 6;
6332                 } */
6333
6334                 $tag_limit = 6;
6335
6336                 $formatted_tags = array();
6337
6338                 foreach ($tags as $tag) {
6339                         $num_tags++;
6340                         $tag_escaped = str_replace("'", "\\'", $tag);
6341
6342                         if (mb_strlen($tag) > 30) {
6343                                 $tag = truncate_string($tag, 30);
6344                         }
6345
6346                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6347
6348                         array_push($formatted_tags, $tag_str);
6349
6350                         $tmp_tags_str = implode(", ", $formatted_tags);
6351
6352                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6353                                 break;
6354                         }
6355                 }
6356
6357                 $tags_str = implode(", ", $formatted_tags);
6358
6359                 if ($num_tags < count($tags)) {
6360                         $tags_str .= ", &hellip;";
6361                 }
6362
6363                 if ($num_tags == 0) {
6364                         $tags_str = __("no tags");
6365                 }
6366
6367                 return $tags_str;
6368
6369         }
6370
6371         function format_article_labels($labels, $id) {
6372
6373                 $labels_str = "";
6374
6375                 foreach ($labels as $l) {
6376                         $labels_str .= sprintf("<span class='hlLabelRef'
6377                                 style='color : %s; background-color : %s'>%s</span>",
6378                                         $l[2], $l[3], $l[1]);
6379                         }
6380
6381                 return $labels_str;
6382
6383         }
6384
6385         function format_article_note($id, $note) {
6386
6387                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6388
6389                 $str = "<div class='articleNote'>";
6390                 $str .= $note;
6391                 $str .= "<div class='articleNoteOps'>";
6392                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6393                         __('edit note')."</a>";
6394                 $str .= "</div>";
6395                 $str .= "</div>";
6396
6397                 return $str;
6398         }
6399
6400         function toggle_collapse_cat($link, $cat_id) {
6401                 if ($cat_id > 0) {
6402                         db_query($link, "UPDATE ttrss_feed_categories SET
6403                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
6404                                 $_SESSION["uid"]);
6405                 } else {
6406                         $pref_name = '';
6407
6408                         switch ($cat_id) {
6409                         case -1:
6410                                 $pref_name = '_COLLAPSED_SPECIAL';
6411                                 break;
6412                         case -2:
6413                                 $pref_name = '_COLLAPSED_LABELS';
6414                                 break;
6415                         case 0:
6416                                 $pref_name = '_COLLAPSED_UNCAT';
6417                                 break;
6418                         }
6419
6420                         if ($pref_name) {
6421                                 if (get_pref($link, $pref_name)) {
6422                                         set_pref($link, $pref_name, 'false');
6423                                 } else {
6424                                         set_pref($link, $pref_name, 'true');
6425                                 }
6426                         }
6427                 }
6428         }
6429
6430         function remove_feed($link, $id, $owner_uid) {
6431
6432                 if ($id > 0) {
6433
6434                         /* save starred articles in Archived feed */
6435
6436                         db_query($link, "BEGIN");
6437
6438                         /* prepare feed if necessary */
6439
6440                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6441                                 WHERE id = '$id'");
6442
6443                         if (db_num_rows($result) == 0) {
6444                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6445                                         (id, owner_uid, title, feed_url, site_url)
6446                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6447                                 WHERE id = '$id'");
6448                         }
6449
6450                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6451                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6452                                         marked = true AND owner_uid = $owner_uid");
6453
6454                         /* Remove access key for the feed */
6455
6456                         db_query($link, "DELETE FROM ttrss_access_keys WHERE
6457                                 feed_id = '$id' AND owner_uid = $owner_uid");
6458
6459                         /* remove the feed */
6460
6461                         db_query($link, "DELETE FROM ttrss_feeds
6462                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6463
6464                         db_query($link, "COMMIT");
6465
6466 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6467                                 unlink(ICONS_DIR . "/$id.ico");
6468                         } */
6469
6470                         ccache_remove($link, $id, $owner_uid);
6471
6472                 } else {
6473                         label_remove($link, -11-$id, $owner_uid);
6474                         ccache_remove($link, -11-$id, $owner_uid);
6475                 }
6476         }
6477
6478         function add_feed_category($link, $feed_cat) {
6479
6480                 if (!$feed_cat) return false;
6481
6482                 db_query($link, "BEGIN");
6483
6484                 $result = db_query($link,
6485                         "SELECT id FROM ttrss_feed_categories
6486                         WHERE title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
6487
6488                 if (db_num_rows($result) == 0) {
6489
6490                         $result = db_query($link,
6491                                 "INSERT INTO ttrss_feed_categories (owner_uid,title)
6492                                 VALUES ('".$_SESSION["uid"]."', '$feed_cat')");
6493
6494                         db_query($link, "COMMIT");
6495
6496                         return true;
6497                 }
6498
6499                 return false;
6500         }
6501
6502         function remove_feed_category($link, $id, $owner_uid) {
6503
6504                 db_query($link, "DELETE FROM ttrss_feed_categories
6505                         WHERE id = '$id' AND owner_uid = $owner_uid");
6506
6507                 ccache_remove($link, $id, $owner_uid, true);
6508         }
6509
6510         function archive_article($link, $id, $owner_uid) {
6511                 db_query($link, "BEGIN");
6512
6513                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6514                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6515
6516                 if (db_num_rows($result) != 0) {
6517
6518                         /* prepare the archived table */
6519
6520                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6521
6522                         if ($feed_id) {
6523                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6524                                         WHERE id = '$feed_id'");
6525
6526                                 if (db_num_rows($result) == 0) {
6527                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6528                                                 (id, owner_uid, title, feed_url, site_url)
6529                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6530                                         WHERE id = '$feed_id'");
6531                                 }
6532
6533                                 db_query($link, "UPDATE ttrss_user_entries
6534                                         SET orig_feed_id = feed_id, feed_id = NULL
6535                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6536                         }
6537                 }
6538
6539                 db_query($link, "COMMIT");
6540         }
6541
6542         function getArticleFeed($link, $id) {
6543                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6544                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6545
6546                 if (db_num_rows($result) != 0) {
6547                         return db_fetch_result($result, 0, "feed_id");
6548                 } else {
6549                         return 0;
6550                 }
6551         }
6552
6553         function make_url_from_parts($parts) {
6554                 $url = $parts['scheme'] . '://' . $parts['host'];
6555
6556                 if ($parts['path']) $url .= $parts['path'];
6557                 if ($parts['query']) $url .= '?' . $parts['query'];
6558
6559                 return $url;
6560         }
6561
6562         /**
6563          * Fixes incomplete URLs by prepending "http://".
6564          * Also replaces feed:// with http://, and
6565          * prepends a trailing slash if the url is a domain name only.
6566          *
6567          * @param string $url Possibly incomplete URL
6568          *
6569          * @return string Fixed URL.
6570          */
6571         function fix_url($url) {
6572                 if (strpos($url, '://') === false) {
6573                         $url = 'http://' . $url;
6574                 } else if (substr($url, 0, 5) == 'feed:') {
6575                         $url = 'http:' . substr($url, 5);
6576                 }
6577
6578                 //prepend slash if the URL has no slash in it
6579                 // "http://www.example" -> "http://www.example/"
6580                 if (strpos($url, '/', strpos($url, ':') + 3) === false) {
6581                         $url .= '/';
6582                 }
6583                 return $url;
6584         }
6585
6586         function validate_feed_url($url) {
6587                 $parts = parse_url($url);
6588
6589                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6590
6591         }
6592
6593         function get_article_enclosures($link, $id) {
6594
6595                 global $memcache;
6596
6597                 $query = "SELECT * FROM ttrss_enclosures
6598                         WHERE post_id = '$id' AND content_url != ''";
6599
6600                 $obj_id = md5("ENCLOSURES:$id");
6601
6602                 $rv = array();
6603
6604                 if ($memcache && $obj = $memcache->get($obj_id)) {
6605                         $rv = $obj;
6606                 } else {
6607                         $result = db_query($link, $query);
6608
6609                         if (db_num_rows($result) > 0) {
6610                                 while ($line = db_fetch_assoc($result)) {
6611                                         array_push($rv, $line);
6612                                 }
6613                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6614                         }
6615                 }
6616
6617                 return $rv;
6618         }
6619
6620         function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
6621
6622                         $feeds = array();
6623
6624                         /* Labels */
6625
6626                         if ($cat_id == -4 || $cat_id == -2) {
6627                                 $counters = getLabelCounters($link, true);
6628
6629                                 foreach (array_values($counters) as $cv) {
6630
6631                                         $unread = $cv["counter"];
6632
6633                                         if ($unread || !$unread_only) {
6634
6635                                                 $row = array(
6636                                                                 "id" => $cv["id"],
6637                                                                 "title" => $cv["description"],
6638                                                                 "unread" => $cv["counter"],
6639                                                                 "cat_id" => -2,
6640                                                         );
6641
6642                                                 array_push($feeds, $row);
6643                                         }
6644                                 }
6645                         }
6646
6647                         /* Virtual feeds */
6648
6649                         if ($cat_id == -4 || $cat_id == -1) {
6650                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
6651                                         $unread = getFeedUnread($link, $i);
6652
6653                                         if ($unread || !$unread_only) {
6654                                                 $title = getFeedTitle($link, $i);
6655
6656                                                 $row = array(
6657                                                                 "id" => $i,
6658                                                                 "title" => $title,
6659                                                                 "unread" => $unread,
6660                                                                 "cat_id" => -1,
6661                                                         );
6662                                                 array_push($feeds, $row);
6663                                         }
6664
6665                                 }
6666                         }
6667
6668                         /* Real feeds */
6669
6670                         if ($limit) {
6671                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
6672                         } else {
6673                                 $limit_qpart = "";
6674                         }
6675
6676                         if ($cat_id == -4 || $cat_id == -3) {
6677                                 $result = db_query($link, "SELECT
6678                                         id, feed_url, cat_id, title, ".
6679                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6680                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
6681                                                 " ORDER BY cat_id, title " . $limit_qpart);
6682                         } else {
6683
6684                                 if ($cat_id)
6685                                         $cat_qpart = "cat_id = '$cat_id'";
6686                                 else
6687                                         $cat_qpart = "cat_id IS NULL";
6688
6689                                 $result = db_query($link, "SELECT
6690                                         id, feed_url, cat_id, title, ".
6691                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6692                                                 FROM ttrss_feeds WHERE
6693                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
6694                                                 " ORDER BY cat_id, title " . $limit_qpart);
6695                         }
6696
6697                         while ($line = db_fetch_assoc($result)) {
6698
6699                                 $unread = getFeedUnread($link, $line["id"]);
6700
6701                                 $has_icon = feed_has_icon($line['id']);
6702
6703                                 if ($unread || !$unread_only) {
6704
6705                                         $row = array(
6706                                                         "feed_url" => $line["feed_url"],
6707                                                         "title" => $line["title"],
6708                                                         "id" => (int)$line["id"],
6709                                                         "unread" => (int)$unread,
6710                                                         "has_icon" => $has_icon,
6711                                                         "cat_id" => (int)$line["cat_id"],
6712                                                         "last_updated" => strtotime($line["last_updated"])
6713                                                 );
6714
6715                                         array_push($feeds, $row);
6716                                 }
6717                         }
6718
6719                 return $feeds;
6720         }
6721
6722         function api_get_headlines($link, $feed_id, $limit, $offset,
6723                                         $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order) {
6724
6725                         /* do not rely on params below */
6726
6727                         $search = db_escape_string($_REQUEST["search"]);
6728                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
6729                         $match_on = db_escape_string($_REQUEST["match_on"]);
6730
6731                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
6732                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
6733                                 $order, $offset);
6734
6735                         $result = $qfh_ret[0];
6736                         $feed_title = $qfh_ret[1];
6737
6738                         $headlines = array();
6739
6740                         while ($line = db_fetch_assoc($result)) {
6741                                 $is_updated = ($line["last_read"] == "" &&
6742                                         ($line["unread"] != "t" && $line["unread"] != "1"));
6743
6744                                 $headline_row = array(
6745                                                 "id" => (int)$line["id"],
6746                                                 "unread" => sql_bool_to_bool($line["unread"]),
6747                                                 "marked" => sql_bool_to_bool($line["marked"]),
6748                                                 "published" => sql_bool_to_bool($line["published"]),
6749                                                 "updated" => strtotime($line["updated"]),
6750                                                 "is_updated" => $is_updated,
6751                                                 "title" => $line["title"],
6752                                                 "link" => $line["link"],
6753                                                 "feed_id" => $line["feed_id"],
6754                                                 "tags" => get_article_tags($link, $line["id"]),
6755                                         );
6756
6757                                 if ($show_excerpt) {
6758                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
6759                                         $headline_row["excerpt"] = $excerpt;
6760                                 }
6761
6762                                 if ($show_content) {
6763                                         $headline_row["content"] = $line["content_preview"];
6764                                 }
6765
6766                                 array_push($headlines, $headline_row);
6767                         }
6768
6769                         return $headlines;
6770         }
6771
6772         function generate_dashboard_feed($link) {
6773                 print "<headlines id=\"-5\" is_cat=\"\">";
6774
6775                 print "<toolbar><![CDATA[]]></toolbar>";
6776
6777                 print '<content><![CDATA[';
6778
6779                 print "<div class='whiteBox'>".__('No feed selected.');
6780
6781                 print "<p class=\"small\"><span class=\"insensitive\">";
6782
6783                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
6784                         WHERE owner_uid = " . $_SESSION['uid']);
6785
6786                 $last_updated = db_fetch_result($result, 0, "last_updated");
6787                 $last_updated = make_local_datetime($link, $last_updated, false);
6788
6789                 printf(__("Feeds last updated at %s"), $last_updated);
6790
6791                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
6792                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
6793
6794                 $num_errors = db_fetch_result($result, 0, "num_errors");
6795
6796                 if ($num_errors > 0) {
6797                         print "<br/>";
6798                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
6799                                 __('Some feeds have update errors (click for details)')."</a>";
6800                 }
6801                 print "</span></p>";
6802
6803                 print "]]></content>";
6804                 print "</headlines>";
6805
6806                 print "<headlines-info><![CDATA[";
6807
6808                 $info = array("count" => 0,
6809                         "vgroup_last_feed" => '',
6810                         "unread" => 0,
6811                         "disable_cache" => true);
6812
6813                 print json_encode($info);
6814
6815                 print "]]></headlines-info>";
6816
6817         }
6818
6819         function save_email_address($link, $email) {
6820                 // FIXME: implement persistent storage of emails
6821
6822                 if (!$_SESSION['stored_emails'])
6823                         $_SESSION['stored_emails'] = array();
6824
6825                 if (!in_array($email, $_SESSION['stored_emails']))
6826                         array_push($_SESSION['stored_emails'], $email);
6827         }
6828
6829         function update_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6830                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6831
6832                 $sql_is_cat = bool_to_sql_bool($is_cat);
6833
6834                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6835                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6836                         AND owner_uid = " . $owner_uid);
6837
6838                 if (db_num_rows($result) == 1) {
6839                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6840
6841                         db_query($link, "UPDATE ttrss_access_keys SET access_key = '$key'
6842                                 WHERE feed_id = '$feed_id' AND is_cat = $sql_is_cat
6843                                 AND owner_uid = " . $owner_uid);
6844
6845                         return $key;
6846
6847                 } else {
6848                         return get_feed_access_key($link, $feed_id, $is_cat, $owner_uid);
6849                 }
6850         }
6851
6852         function get_feed_access_key($link, $feed_id, $is_cat, $owner_uid = false) {
6853
6854                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
6855
6856                 $sql_is_cat = bool_to_sql_bool($is_cat);
6857
6858                 $result = db_query($link, "SELECT access_key FROM ttrss_access_keys
6859                         WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
6860                         AND owner_uid = " . $owner_uid);
6861
6862                 if (db_num_rows($result) == 1) {
6863                         return db_fetch_result($result, 0, "access_key");
6864                 } else {
6865                         $key = db_escape_string(sha1(uniqid(rand(), true)));
6866
6867                         $result = db_query($link, "INSERT INTO ttrss_access_keys
6868                                 (access_key, feed_id, is_cat, owner_uid)
6869                                 VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
6870
6871                         return $key;
6872                 }
6873                 return false;
6874         }
6875
6876         /**
6877          * Extracts RSS/Atom feed URLs from the given HTML URL.
6878          *
6879          * @param string $url HTML page URL
6880          *
6881          * @return array Array of feeds. Key is the full URL, value the title
6882          */
6883         function get_feeds_from_html($url)
6884         {
6885                 $url     = fix_url($url);
6886                 $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
6887
6888                 libxml_use_internal_errors(true);
6889
6890                 $doc = new DOMDocument();
6891                 $doc->loadHTMLFile($url);
6892                 $xpath = new DOMXPath($doc);
6893                 $entries = $xpath->query('/html/head/link[@rel="alternate"]');
6894                 $feedUrls = array();
6895                 foreach ($entries as $entry) {
6896                         if ($entry->hasAttribute('href')) {
6897                                 $title = $entry->getAttribute('title');
6898                                 if ($title == '') {
6899                                         $title = $entry->getAttribute('type');
6900                                 }
6901                                 $feedUrl = rewrite_relative_url(
6902                                         $baseUrl, $entry->getAttribute('href')
6903                                 );
6904                                 $feedUrls[$feedUrl] = $title;
6905                         }
6906                 }
6907                 return $feedUrls;
6908         }
6909
6910         /**
6911          * Checks if the content behind the given URL is a HTML file
6912          *
6913          * @param string $url URL to check
6914          *
6915          * @return boolean True if the URL contains HTML content
6916          */
6917         function url_is_html($url) {
6918                 $content = substr(fetch_file_contents($url, false), 0, 1000);
6919                 if (stripos($content, '<html>') === false
6920                         && stripos($content, '<html ') === false
6921                 ) {
6922                         return false;
6923                 }
6924
6925                 return true;
6926         }
6927
6928         function print_label_select($link, $name, $value, $style = "") {
6929
6930                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6931                         WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6932
6933                 print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
6934                         "\" style=\"$style\" onchange=\"labelSelectOnChange(this)\" >";
6935
6936                 while ($line = db_fetch_assoc($result)) {
6937
6938                         $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
6939
6940                         print "<option $issel>" . htmlspecialchars($line["caption"]) . "</option>";
6941
6942                 }
6943
6944                 print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
6945
6946                 print "</select>";
6947
6948
6949         }
6950
6951         function print_article_enclosures($link, $id, $always_display_enclosures,
6952                                         $article_content) {
6953
6954                 $result = get_article_enclosures($link, $id);
6955
6956                 if (count($result) > 0) {
6957
6958                         $entries_html = array();
6959                         $entries = array();
6960
6961                         foreach ($result as $line) {
6962
6963                                 $url = $line["content_url"];
6964                                 $ctype = $line["content_type"];
6965
6966                                 if (!$ctype) $ctype = __("unknown type");
6967
6968                                 $filename = substr($url, strrpos($url, "/")+1);
6969
6970                                 $entry = format_inline_player($link, $url, $ctype);
6971
6972                                 $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
6973                                         $filename . " (" . $ctype . ")" . "</a>";
6974
6975                                 array_push($entries_html, $entry);
6976
6977                                 $entry = array();
6978
6979                                 $entry["type"] = $ctype;
6980                                 $entry["filename"] = $filename;
6981                                 $entry["url"] = $url;
6982
6983                                 array_push($entries, $entry);
6984                         }
6985
6986                         print "<div class=\"postEnclosures\">";
6987
6988                         if (!get_pref($link, "STRIP_IMAGES")) {
6989                                 if ($always_display_enclosures ||
6990                                                         !preg_match("/<img/i", $article_content)) {
6991
6992                                         foreach ($entries as $entry) {
6993
6994                                                 if (preg_match("/image/", $entry["type"]) ||
6995                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
6996
6997                                                                 print "<p><img
6998                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
6999                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
7000                                                 }
7001                                         }
7002                                 }
7003                         }
7004
7005                         if (count($entries) == 1) {
7006                                 print __("Attachment:") . " ";
7007                         } else {
7008                                 print __("Attachments:") . " ";
7009                         }
7010
7011                         print join(", ", $entries_html);
7012
7013                         print "</div>";
7014                 }
7015         }
7016
7017         function getLastArticleId($link) {
7018                 $result = db_query($link, "SELECT MAX(ref_id) AS id FROM ttrss_user_entries
7019                         WHERE owner_uid = " . $_SESSION["uid"]);
7020
7021                 if (db_num_rows($result) == 1) {
7022                         return db_fetch_result($result, 0, "id");
7023                 } else {
7024                         return -1;
7025                 }
7026         }
7027
7028         function build_url($parts) {
7029                 return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
7030         }
7031
7032         /**
7033          * Converts a (possibly) relative URL to a absolute one.
7034          *
7035          * @param string $url     Base URL (i.e. from where the document is)
7036          * @param string $rel_url Possibly relative URL in the document
7037          *
7038          * @return string Absolute URL
7039          */
7040         function rewrite_relative_url($url, $rel_url) {
7041                 if (strpos($rel_url, "://") !== false) {
7042                         return $rel_url;
7043                 } else if (strpos($rel_url, "/") === 0)
7044                 {
7045                         $parts = parse_url($url);
7046                         $parts['path'] = $rel_url;
7047
7048                         return build_url($parts);
7049
7050                 } else {
7051                         $parts = parse_url($url);
7052                         if (!isset($parts['path'])) {
7053                                 $parts['path'] = '/';
7054                         }
7055                         $dir = $parts['path'];
7056                         if (substr($dir, -1) !== '/') {
7057                                 $dir = dirname($parts['path']);
7058                                 $dir !== '/' && $dir .= '/';
7059                         }
7060                         $parts['path'] = $dir . $rel_url;
7061
7062                         return build_url($parts);
7063                 }
7064         }
7065
7066         function sphinx_search($query, $offset = 0, $limit = 30) {
7067                 $sphinxClient = new SphinxClient();
7068
7069                 $sphinxClient->SetServer('localhost', 9312);
7070                 $sphinxClient->SetConnectTimeout(1);
7071
7072                 $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
7073                         'feed_title' => 20));
7074
7075                 $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
7076                 $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
7077                 $sphinxClient->SetLimits($offset, $limit, 1000);
7078                 $sphinxClient->SetArrayResult(false);
7079                 $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
7080
7081                 $result = $sphinxClient->Query($query, SPHINX_INDEX);
7082
7083                 $ids = array();
7084
7085                 if (is_array($result['matches'])) {
7086                         foreach (array_keys($result['matches']) as $int_id) {
7087                                 $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
7088                                 array_push($ids, $ref_id);
7089                         }
7090                 }
7091
7092                 return $ids;
7093         }
7094
7095         function cleanup_tags($link, $days = 14, $limit = 1000) {
7096
7097                 if (DB_TYPE == "pgsql") {
7098                         $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
7099                 } else if (DB_TYPE == "mysql") {
7100                         $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
7101                 }
7102
7103                 $tags_deleted = 0;
7104
7105                 while ($limit > 0) {
7106                         $limit_part = 500;
7107
7108                         $query = "SELECT ttrss_tags.id AS id
7109                                 FROM ttrss_tags, ttrss_user_entries, ttrss_entries
7110                                 WHERE post_int_id = int_id AND $interval_query AND
7111                                 ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
7112
7113                         $result = db_query($link, $query);
7114
7115                         $ids = array();
7116
7117                         while ($line = db_fetch_assoc($result)) {
7118                                 array_push($ids, $line['id']);
7119                         }
7120
7121                         if (count($ids) > 0) {
7122                                 $ids = join(",", $ids);
7123                                 print ".";
7124
7125                                 $tmp_result = db_query($link, "DELETE FROM ttrss_tags WHERE id IN ($ids)");
7126                                 $tags_deleted += db_affected_rows($link, $tmp_result);
7127                         } else {
7128                                 break;
7129                         }
7130
7131                         $limit -= $limit_part;
7132                 }
7133
7134                 print "\n";
7135
7136                 return $tags_deleted;
7137         }
7138
7139         function feedlist_init_cat($link, $cat_id, $hidden = false) {
7140                 $obj = array();
7141
7142                 if ($cat_id > 0) {
7143                         $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
7144                 } else if ($cat_id == 0 || $cat_id == -2) {
7145                         $cat_unread = getCategoryUnread($link, $cat_id);
7146                 }
7147
7148                 $obj['id'] = 'CAT:' . $cat_id;
7149                 $obj['items'] = array();
7150                 $obj['name'] = getCategoryTitle($link, $cat_id);
7151                 $obj['type'] = 'feed';
7152                 $obj['unread'] = (int) $cat_unread;
7153                 $obj['hidden'] = $hidden;
7154
7155                 return $obj;
7156         }
7157
7158         function feedlist_init_feed($link, $feed_id, $title = false, $unread = false) {
7159                 $obj = array();
7160
7161                 if (!$title)
7162                         $title = getFeedTitle($link, $feed_id, false);
7163
7164                 if (!$unread)
7165                         $unread = getFeedUnread($link, $feed_id, false);
7166
7167                 $obj['id'] = 'FEED:' . $feed_id;
7168                 $obj['name'] = $title;
7169                 $obj['unread'] = (int) $unread;
7170                 $obj['type'] = 'feed';
7171
7172                 return $obj;
7173         }
7174
7175 ?>