functions.php

   1 <?php
   2
   3 /*      if ($_GET["debug"]) {
   4                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   5         } else {
   6                 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
   7         } */
   8
   9         require_once 'config.php';
  10
  11         if (DB_TYPE == "pgsql") {
  12                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  13         } else {
  14                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  15         }
  16
  17         /**
  18          * Return available translations names.
  19          *
  20          * @access public
  21          * @return array A array of available translations.
  22          */
  23         function get_translations() {
  24                 $tr = array(
  25                                         "auto"  => "Detect automatically",
  26                                         "en_US" => "English",
  27                                         "fr_FR" => "Français",
  28                                         "hu_HU" => "Magyar (Hungarian)",
  29                                         "it_IT" => "Italiano",
  30                                         "ja_JP" => "日本語 (Japanese)",
  31                                         "nb_NO" => "Norwegian bokmål",
  32                                         "ru_RU" => "Русский",
  33                                         "pt_BR" => "Portuguese/Brazil",
  34                                         "zh_CN" => "Simplified Chinese");
  35
  36                 return $tr;
  37         }
  38
  39         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  40                 require_once "accept-to-gettext.php";
  41                 require_once "gettext/gettext.inc";
  42
  43                 function startup_gettext() {
  44
  45                         # Get locale from Accept-Language header
  46                         $lang = al2gt(array_keys(get_translations()), "text/html");
  47
  48                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  49                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  50                         }
  51
  52                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  53                                 $lang = $_COOKIE["ttrss_lang"];
  54                         }
  55
  56                         /* In login action of mobile version */
  57                         if ($_POST["language"] && defined('MOBILE_VERSION')) {
  58                                 $lang = $_POST["language"];
  59                                 $_COOKIE["ttrss_lang"] = $lang;
  60                         }
  61
  62                         if ($lang) {
  63                                 if (defined('LC_MESSAGES')) {
  64                                         _setlocale(LC_MESSAGES, $lang);
  65                                 } else if (defined('LC_ALL')) {
  66                                         _setlocale(LC_ALL, $lang);
  67                                 } else {
  68                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  69                                 }
  70
  71                                 if (defined('MOBILE_VERSION')) {
  72                                         _bindtextdomain("messages", "../locale");
  73                                 } else {
  74                                         _bindtextdomain("messages", "locale");
  75                                 }
  76
  77                                 _textdomain("messages");
  78                                 _bind_textdomain_codeset("messages", "UTF-8");
  79                         }
  80                 }
  81
  82                 startup_gettext();
  83
  84         } else { // If translations are enabled.
  85                 function __($msg) {
  86                         return $msg;
  87                 }
  88                 function startup_gettext() {
  89                         // no-op
  90                         return true;
  91                 }
  92         } // If translations are enabled.
  93
  94         require_once 'db-prefs.php';
  95         require_once 'compat.php';
  96         require_once 'errors.php';
  97         require_once 'version.php';
  98
  99         require_once 'phpmailer/class.phpmailer.php';
 100
 101         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 102         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 103         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
 104
 105         require_once "simplepie/simplepie.inc";
 106         require_once "magpierss/rss_fetch.inc";
 107         require_once 'magpierss/rss_utils.inc';
 108
 109         /**
 110          * Print a timestamped debug message.
 111          *
 112          * @param string $msg The debug message.
 113          * @return void
 114          */
 115         function _debug($msg) {
 116                 $ts = strftime("%H:%M:%S", time());
 117                 if (function_exists('posix_getpid')) {
 118                         $ts = "$ts/" . posix_getpid();
 119                 }
 120                 print "[$ts] $msg\n";
 121         } // function _debug
 122
 123         /**
 124          * Purge a feed old posts.
 125          *
 126          * @param mixed $link A database connection.
 127          * @param mixed $feed_id The id of the purged feed.
 128          * @param mixed $purge_interval Olderness of purged posts.
 129          * @param boolean $debug Set to True to enable the debug. False by default.
 130          * @access public
 131          * @return void
 132          */
 133         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 134
 135                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 136
 137                 $rows = -1;
 138
 139                 $result = db_query($link,
 140                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 141
 142                 $owner_uid = false;
 143
 144                 if (db_num_rows($result) == 1) {
 145                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 146                 }
 147
 148                 if (!$owner_uid) return;
 149
 150                 $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 151                         $owner_uid, false);
 152
 153                 if (!$purge_unread) $query_limit = " unread = false AND ";
 154
 155                 if (DB_TYPE == "pgsql") {
 156 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 157                                 marked = false AND feed_id = '$feed_id' AND
 158                                 (SELECT date_entered FROM ttrss_entries WHERE
 159                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 160
 161                         $pg_version = get_pgsql_version($link);
 162
 163                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 164
 165                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 166                                         ttrss_entries.id = ref_id AND
 167                                         marked = false AND
 168                                         feed_id = '$feed_id' AND
 169                                         $query_limit
 170                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 171
 172                         } else {
 173
 174                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 175                                         USING ttrss_entries
 176                                         WHERE ttrss_entries.id = ref_id AND
 177                                         marked = false AND
 178                                         feed_id = '$feed_id' AND
 179                                         $query_limit
 180                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 181                         }
 182
 183                         $rows = pg_affected_rows($result);
 184
 185                 } else {
 186
 187 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 188                                 marked = false AND feed_id = '$feed_id' AND
 189                                 (SELECT date_entered FROM ttrss_entries WHERE
 190                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 191
 192                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 193                                 USING ttrss_user_entries, ttrss_entries
 194                                 WHERE ttrss_entries.id = ref_id AND
 195                                 marked = false AND
 196                                 feed_id = '$feed_id' AND
 197                                 $query_limit
 198                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 199
 200                         $rows = mysql_affected_rows($link);
 201
 202                 }
 203
 204                 if ($debug) {
 205                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 206                 }
 207         } // function purge_feed
 208
 209         /**
 210          * Purge old posts from old feeds.
 211          *
 212          * @param mixed $link A database connection
 213          * @param boolean $do_output Set to true to enable printed output, false by default.
 214          * @param integer $limit The maximal number of removed posts.
 215          * @access public
 216          * @return void
 217          */
 218         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 219
 220                 $random_qpart = sql_random_function();
 221
 222                 if ($limit) {
 223                         $limit_qpart = "LIMIT $limit";
 224                 } else {
 225                         $limit_qpart = "";
 226                 }
 227
 228                 $result = db_query($link,
 229                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 230                                 ORDER BY $random_qpart $limit_qpart");
 231
 232                 while ($line = db_fetch_assoc($result)) {
 233
 234                         $feed_id = $line["id"];
 235                         $purge_interval = $line["purge_interval"];
 236                         $owner_uid = $line["owner_uid"];
 237
 238                         if ($purge_interval == 0) {
 239
 240                                 $tmp_result = db_query($link,
 241                                         "SELECT value FROM ttrss_user_prefs WHERE
 242                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 243
 244                                 if (db_num_rows($tmp_result) != 0) {
 245                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 246                                 }
 247                         }
 248
 249                         if ($do_output) {
 250 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 251                         }
 252
 253                         if ($purge_interval > 0) {
 254                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 255                         }
 256                 }
 257
 258                 // purge orphaned posts in main content table
 259                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 260                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 261
 262                 if ($do_output) {
 263                         $rows = db_affected_rows($link, $result);
 264                         _debug("Purged $rows orphaned posts.");
 265                 }
 266
 267         } // function global_purge_old_posts
 268
 269         function feed_purge_interval($link, $feed_id) {
 270
 271                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 272                         WHERE id = '$feed_id'");
 273
 274                 if (db_num_rows($result) == 1) {
 275                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 276                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 277
 278                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 279                                 'PURGE_OLD_DAYS', $user_id);
 280
 281                         return $purge_interval;
 282
 283                 } else {
 284                         return -1;
 285                 }
 286         }
 287
 288         function purge_old_posts($link) {
 289
 290                 $user_id = $_SESSION["uid"];
 291
 292                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 293                         WHERE owner_uid = '$user_id'");
 294
 295                 while ($line = db_fetch_assoc($result)) {
 296
 297                         $feed_id = $line["id"];
 298                         $purge_interval = $line["purge_interval"];
 299
 300                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 301
 302                         if ($purge_interval > 0) {
 303                                 purge_feed($link, $feed_id, $purge_interval);
 304                         }
 305                 }
 306
 307                 // purge orphaned posts in main content table
 308                 db_query($link, "DELETE FROM ttrss_entries WHERE
 309                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 310         }
 311
 312         function get_feed_update_interval($link, $feed_id) {
 313                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 314                         ttrss_feeds WHERE id = '$feed_id'");
 315
 316                 if (db_num_rows($result) == 1) {
 317                         $update_interval = db_fetch_result($result, 0, "update_interval");
 318                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 319
 320                         if ($update_interval != 0) {
 321                                 return $update_interval;
 322                         } else {
 323                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 324                         }
 325
 326                 } else {
 327                         return -1;
 328                 }
 329         }
 330
 331         function update_all_feeds($link, $fetch, $user_id = false, $force_daemon = false) {
 332
 333                 if (WEB_DEMO_MODE) return;
 334
 335                 if (!$user_id) {
 336                         $user_id = $_SESSION["uid"];
 337                         purge_old_posts($link);
 338                 }
 339
 340 //              db_query($link, "BEGIN");
 341
 342                 if (MAX_UPDATE_TIME > 0) {
 343                         if (DB_TYPE == "mysql") {
 344                                 $q_order = "RAND()";
 345                         } else {
 346                                 $q_order = "RANDOM()";
 347                         }
 348                 } else {
 349                         $q_order = "last_updated DESC";
 350                 }
 351
 352                 $result = db_query($link, "SELECT feed_url,id,
 353                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated,
 354                         update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'
 355                         ORDER BY $q_order");
 356
 357                 $upd_start = time();
 358
 359                 while ($line = db_fetch_assoc($result)) {
 360                         $upd_intl = $line["update_interval"];
 361
 362                         if (!$upd_intl || $upd_intl == 0) {
 363                                 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id, false);
 364                         }
 365
 366                         if ($upd_intl < 0) {
 367                                 // Updates for this feed are disabled
 368                                 continue;
 369                         }
 370
 371                         if ($fetch || (!$line["last_updated"] ||
 372                                 time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
 373
 374 //                              print "<!-- feed: ".$line["feed_url"]." -->";
 375
 376                                 update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
 377
 378                                 $upd_elapsed = time() - $upd_start;
 379
 380                                 if (MAX_UPDATE_TIME > 0 && $upd_elapsed > MAX_UPDATE_TIME) {
 381                                         return;
 382                                 }
 383                         }
 384                 }
 385
 386 //              db_query($link, "COMMIT");
 387
 388         }
 389
 390         function fetch_file_contents($url) {
 391                 if (USE_CURL_FOR_ICONS) {
 392                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
 393
 394                         $ch = curl_init($url);
 395                         $fp = fopen($tmpfile, "w");
 396
 397                         if ($fp) {
 398                                 curl_setopt($ch, CURLOPT_FILE, $fp);
 399                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 400                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 401                                 curl_exec($ch);
 402                                 curl_close($ch);
 403                                 fclose($fp);
 404                         }
 405
 406                         $contents =  file_get_contents($tmpfile);
 407                         unlink($tmpfile);
 408
 409                         return $contents;
 410
 411                 } else {
 412                         return file_get_contents($url);
 413                 }
 414
 415         }
 416
 417         /**
 418          * Try to determine the favicon URL for a feed.
 419          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 420          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 421          *
 422          * @param string $url A feed or page URL
 423          * @access public
 424          * @return mixed The favicon URL, or false if none was found.
 425          */
 426         function get_favicon_url($url) {
 427
 428                 if ($html = @fetch_file_contents($url)) {
 429
 430                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 431                                 // Attempt to grab a favicon link from their webpage url
 432                                 $linkUrl = html_entity_decode($matches[1]);
 433
 434                                 if (substr($linkUrl, 0, 1) == '/') {
 435                                         $urlParts = parse_url($url);
 436                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 437                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 438                                         $faviconURL = $linkUrl;
 439                                 } else if (substr($url, -1, 1) == '/') {
 440                                         $faviconURL = $url.$linkUrl;
 441                                 } else {
 442                                         $faviconURL = $url.'/'.$linkUrl;
 443                                 }
 444
 445                         } else {
 446                                 // If unsuccessful, attempt to "guess" the favicon location
 447                                 $urlParts = parse_url($url);
 448                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 449                         }
 450                 }
 451
 452                 // Run a test to see if what we have attempted to get actually exists.
 453                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 454                         return $faviconURL;
 455                 } else {
 456                         return false;
 457                 }
 458         } // function get_favicon_url
 459
 460         /**
 461          * Check if a link is a valid and working URL.
 462          *
 463          * @param mixed $link A URL to check
 464          * @access public
 465          * @return boolean True if the URL is valid, false otherwise.
 466          */
 467         function url_validate($link) {
 468
 469                 $url_parts = @parse_url($link);
 470
 471                 if ( empty( $url_parts["host"] ) )
 472                                 return false;
 473
 474                 if ( !empty( $url_parts["path"] ) ) {
 475                                 $documentpath = $url_parts["path"];
 476                 } else {
 477                                 $documentpath = "/";
 478                 }
 479
 480                 if ( !empty( $url_parts["query"] ) )
 481                                 $documentpath .= "?" . $url_parts["query"];
 482
 483                 $host = $url_parts["host"];
 484                 $port = $url_parts["port"];
 485
 486                 if ( empty($port) )
 487                                 $port = "80";
 488
 489                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 490
 491                 if ( !$socket )
 492                                 return false;
 493
 494                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 495
 496                 $http_response = fgets( $socket, 22 );
 497
 498                 $responses = "/(200 OK)|(30[0-9] Moved)/";
 499                 if ( preg_match($responses, $http_response) ) {
 500                                 fclose($socket);
 501                                 return true;
 502                 } else {
 503                                 return false;
 504                 }
 505
 506         } // function url_validate
 507
 508         function check_feed_favicon($site_url, $feed, $link) {
 509                 $favicon_url = get_favicon_url($site_url);
 510
 511 #               print "FAVICON [$site_url]: $favicon_url\n";
 512
 513                 error_reporting(0);
 514
 515                 $icon_file = ICONS_DIR . "/$feed.ico";
 516
 517                 if ($favicon_url && !file_exists($icon_file)) {
 518                         $contents = fetch_file_contents($favicon_url);
 519
 520                         $fp = fopen($icon_file, "w");
 521
 522                         if ($fp) {
 523                                 fwrite($fp, $contents);
 524                                 fclose($fp);
 525                                 chmod($icon_file, 0644);
 526                         }
 527                 }
 528
 529                 error_reporting(DEFAULT_ERROR_LEVEL);
 530
 531         }
 532
 533         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 534
 535                 if (!$_GET["daemon"] && !$ignore_daemon) {
 536                         return false;
 537                 }
 538
 539                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 540                         _debug("update_rss_feed: start");
 541                 }
 542
 543                 if (!$ignore_daemon) {
 544
 545                         if (DB_TYPE == "pgsql") {
 546                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 547                                 } else {
 548                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 549                                 }
 550
 551                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 552                                 auth_pass,cache_images,update_method
 553                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 554
 555                 } else {
 556
 557                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 558                                 auth_pass,cache_images,update_method
 559                                 FROM ttrss_feeds WHERE id = '$feed'");
 560
 561                 }
 562
 563                 if (db_num_rows($result) == 0) {
 564                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 565                                 _debug("update_rss_feed: feed $feed [$feed_url] NOT FOUND/SKIPPED");
 566                         }
 567                         return false;
 568                 }
 569
 570                 $update_method = db_fetch_result($result, 0, "update_method");
 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 (ALLOW_SELECT_UPDATE_METHOD) {
 579                         if (ENABLE_SIMPLEPIE) {
 580                                 $use_simplepie = $update_method != 1;
 581                         } else {
 582                                 $use_simplepie = $update_method == 2;
 583                         }
 584                 } else {
 585                         $use_simplepie = ENABLE_SIMPLEPIE;
 586                 }
 587
 588                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 589                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 590                 }
 591
 592                 if (!$use_simplepie) {
 593                         $auth_login = urlencode($auth_login);
 594                         $auth_pass = urlencode($auth_pass);
 595                 }
 596
 597                 $update_interval = db_fetch_result($result, 0, "update_interval");
 598                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 599
 600                 if ($update_interval < 0) { return; }
 601
 602                 $feed = db_escape_string($feed);
 603
 604                 $fetch_url = $feed_url;
 605
 606                 if ($auth_login && $auth_pass) {
 607                         $url_parts = array();
 608                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 609
 610                         if ($url_parts[1] && $url_parts[2]) {
 611                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 612                         }
 613
 614                 }
 615
 616                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 617                         _debug("update_rss_feed: fetching [$fetch_url]...");
 618                 }
 619
 620                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_GET['xdebug']) {
 621                         error_reporting(0);
 622                 }
 623
 624                 if (!$use_simplepie) {
 625                         $rss = fetch_rss($fetch_url);
 626                 } else {
 627                         if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 628                                 mkdir(SIMPLEPIE_CACHE_DIR);
 629                         }
 630
 631                         $rss = new SimplePie();
 632                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 633 #                       $rss->set_timeout(10);
 634                         $rss->set_feed_url($fetch_url);
 635                         $rss->set_output_encoding('UTF-8');
 636
 637                         if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 638                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 639                                         _debug("enabling image cache");
 640                                 }
 641
 642                                 $rss->set_image_handler('./image.php', 'i');
 643                         }
 644
 645                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 646                                 _debug("feed update interval (sec): " .
 647                                         get_feed_update_interval($link, $feed)*60);
 648                         }
 649
 650                         if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 651                                 $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 652                                 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 653                         }
 654
 655                         $rss->init();
 656                 }
 657
 658 //              print_r($rss);
 659
 660                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 661                         _debug("update_rss_feed: fetch done, parsing...");
 662                 } else {
 663                         error_reporting (DEFAULT_ERROR_LEVEL);
 664                 }
 665
 666                 $feed = db_escape_string($feed);
 667
 668                 if ($use_simplepie) {
 669                         $fetch_ok = !$rss->error();
 670                 } else {
 671                         $fetch_ok = !!$rss;
 672                 }
 673
 674                 if ($fetch_ok) {
 675
 676                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 677                                 _debug("update_rss_feed: processing feed data...");
 678                         }
 679
 680 //                      db_query($link, "BEGIN");
 681
 682                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 683                                 FROM ttrss_feeds WHERE id = '$feed'");
 684
 685                         $registered_title = db_fetch_result($result, 0, "title");
 686                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 687                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 688
 689                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 690
 691                         if ($use_simplepie) {
 692                                 $site_url = $rss->get_link();
 693                         } else {
 694                                 $site_url = $rss->channel["link"];
 695                         }
 696
 697                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 698                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 699                                         _debug("update_rss_feed: checking favicon...");
 700                                 }
 701
 702                                 check_feed_favicon($site_url, $feed, $link);
 703                         }
 704
 705                         if (!$registered_title || $registered_title == "[Unknown]") {
 706
 707                                 if ($use_simplepie) {
 708                                         $feed_title = db_escape_string($rss->get_title());
 709                                 } else {
 710                                         $feed_title = db_escape_string($rss->channel["title"]);
 711                                 }
 712
 713                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 714                                         _debug("update_rss_feed: registering title: $feed_title");
 715                                 }
 716
 717                                 db_query($link, "UPDATE ttrss_feeds SET
 718                                         title = '$feed_title' WHERE id = '$feed'");
 719                         }
 720
 721                         // weird, weird Magpie
 722                         if (!$use_simplepie) {
 723                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 724                         }
 725
 726                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 727                                 db_query($link, "UPDATE ttrss_feeds SET
 728                                         site_url = '$site_url' WHERE id = '$feed'");
 729                         }
 730
 731 //                      print "I: " . $rss->channel["image"]["url"];
 732
 733                         if (!$use_simplepie) {
 734                                 $icon_url = $rss->image["url"];
 735                         } else {
 736                                 $icon_url = $rss->get_image_url();
 737                         }
 738
 739                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 740                                 $icon_url = db_escape_string($icon_url);
 741                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 742                         }
 743
 744                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 745                                 _debug("update_rss_feed: loading filters...");
 746                         }
 747
 748                         $filters = load_filters($link, $feed, $owner_uid);
 749
 750                         if ($use_simplepie) {
 751                                 $iterator = $rss->get_items();
 752                         } else {
 753                                 $iterator = $rss->items;
 754                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 755                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 756                         }
 757
 758                         if (!is_array($iterator)) {
 759                                 /* db_query($link, "UPDATE ttrss_feeds
 760                                         SET last_error = 'Parse error: can\'t find any articles.'
 761                                         WHERE id = '$feed'"); */
 762
 763                                 // clear any errors and mark feed as updated if fetched okay
 764                                 // even if it's blank
 765
 766                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 767                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 768                                 }
 769
 770                                 db_query($link, "UPDATE ttrss_feeds
 771                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 772
 773                                 return; // no articles
 774                         }
 775
 776                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 777                                 _debug("update_rss_feed: processing articles...");
 778                         }
 779
 780                         foreach ($iterator as $item) {
 781
 782                                 if ($_GET['xdebug']) {
 783                                         print_r($item);
 784
 785                                 }
 786
 787                                 if ($use_simplepie) {
 788                                         $entry_guid = $item->get_id();
 789                                         if (!$entry_guid) $entry_guid = $item->get_link();
 790                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 791
 792                                 } else {
 793
 794                                         $entry_guid = $item["id"];
 795
 796                                         if (!$entry_guid) $entry_guid = $item["guid"];
 797                                         if (!$entry_guid) $entry_guid = $item["link"];
 798                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 799                                 }
 800
 801                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 802                                         _debug("update_rss_feed: guid $entry_guid");
 803                                 }
 804
 805                                 if (!$entry_guid) continue;
 806
 807                                 $entry_timestamp = "";
 808
 809                                 if ($use_simplepie) {
 810                                         $entry_timestamp = strtotime($item->get_date());
 811                                 } else {
 812                                         $rss_2_date = $item['pubdate'];
 813                                         $rss_1_date = $item['dc']['date'];
 814                                         $atom_date = $item['issued'];
 815                                         if (!$atom_date) $atom_date = $item['updated'];
 816
 817                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 818                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 819                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 820                                 }
 821
 822                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 823                                         $entry_timestamp = time();
 824                                         $no_orig_date = 'true';
 825                                 } else {
 826                                         $no_orig_date = 'false';
 827                                 }
 828
 829                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 830
 831                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 832                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 833                                 }
 834
 835                                 if ($use_simplepie) {
 836                                         $entry_title = $item->get_title();
 837                                 } else {
 838                                         $entry_title = trim(strip_tags($item["title"]));
 839                                 }
 840
 841                                 if ($use_simplepie) {
 842                                         $entry_link = $item->get_link();
 843                                 } else {
 844                                         // strange Magpie workaround
 845                                         $entry_link = $item["link_"];
 846                                         if (!$entry_link) $entry_link = $item["link"];
 847                                 }
 848
 849                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 850                                         _debug("update_rss_feed: title $entry_title");
 851                                 }
 852
 853                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 854
 855                                 $entry_link = strip_tags($entry_link);
 856
 857                                 if ($use_simplepie) {
 858                                         $entry_content = $item->get_content();
 859                                         if (!$entry_content) $entry_content = $item->get_description();
 860                                 } else {
 861                                         $entry_content = $item["content:escaped"];
 862
 863                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 864                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 865                                         if (!$entry_content) $entry_content = $item["content"];
 866
 867                                         // Magpie bugs are getting ridiculous
 868                                         if (trim($entry_content) == "Array") $entry_content = false;
 869
 870                                         if (!$entry_content) $entry_content = $item["atom_content"];
 871                                         if (!$entry_content) $entry_content = $item["summary"];
 872
 873                                         if (!$entry_content ||
 874                                                 strlen($entry_content) < strlen($item["description"])) {
 875                                                         $entry_content = $item["description"];
 876                                         };
 877
 878                                         // WTF
 879                                         if (is_array($entry_content)) {
 880                                                 $entry_content = $entry_content["encoded"];
 881                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 882                                         }
 883                                 }
 884
 885                                 if ($_GET["xdebug"]) {
 886                                         print "update_rss_feed: content: ";
 887                                         print_r(htmlspecialchars($entry_content));
 888                                 }
 889
 890                                 $entry_content_unescaped = $entry_content;
 891
 892                                 if ($use_simplepie) {
 893                                         $entry_comments = strip_tags($item->data["comments"]);
 894                                         if ($item->get_author()) {
 895                                                 $entry_author_item = $item->get_author();
 896                                                 $entry_author = $entry_author_item->get_name();
 897                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 898
 899                                                 $entry_author = db_escape_string($entry_author);
 900                                         }
 901                                 } else {
 902                                         $entry_comments = strip_tags($item["comments"]);
 903
 904                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 905
 906                                         if ($item['author']) {
 907
 908                                                 if (is_array($item['author'])) {
 909
 910                                                         if (!$entry_author) {
 911                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 912                                                         }
 913
 914                                                         if (!$entry_author) {
 915                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 916                                                         }
 917                                                 }
 918
 919                                                 if (!$entry_author) {
 920                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 921                                                 }
 922                                         }
 923                                 }
 924
 925                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 926
 927                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 928                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 929
 930                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 931                                         WHERE guid = '$entry_guid'");
 932
 933                                 $entry_content = db_escape_string($entry_content);
 934
 935                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 936
 937                                 $entry_title = db_escape_string($entry_title);
 938                                 $entry_link = db_escape_string($entry_link);
 939                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 940                                 $entry_author = mb_substr($entry_author, 0, 250);
 941
 942                                 if ($use_simplepie) {
 943                                         $num_comments = 0; #FIXME#
 944                                 } else {
 945                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 946                                 }
 947
 948                                 if (!$num_comments) $num_comments = 0;
 949
 950                                 // parse <category> entries into tags
 951
 952                                 if ($use_simplepie) {
 953
 954                                         $additional_tags = array();
 955                                         $additional_tags_src = $item->get_categories();
 956
 957                                         if (is_array($additional_tags_src)) {
 958                                                 foreach ($additional_tags_src as $tobj) {
 959                                                         array_push($additional_tags, $tobj->get_term());
 960                                                 }
 961                                         }
 962
 963                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 964                                                 _debug("update_rss_feed: category tags:");
 965                                                 print_r($additional_tags);
 966                                         }
 967
 968                                 } else {
 969
 970                                         $t_ctr = $item['category#'];
 971
 972                                         $additional_tags = false;
 973
 974                                         if ($t_ctr == 0) {
 975                                                 $additional_tags = false;
 976                                         } else if ($t_ctr > 0) {
 977                                                 $additional_tags = array($item['category']);
 978
 979                                                 if ($item['category@term']) {
 980                                                         array_push($additional_tags, $item['category@term']);
 981                                                 }
 982
 983                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 984                                                         if ($item["category#$i"]) {
 985                                                                 array_push($additional_tags, $item["category#$i"]);
 986                                                         }
 987
 988                                                         if ($item["category#$i@term"]) {
 989                                                                 array_push($additional_tags, $item["category#$i@term"]);
 990                                                         }
 991                                                 }
 992                                         }
 993
 994                                         // parse <dc:subject> elements
 995
 996                                         $t_ctr = $item['dc']['subject#'];
 997
 998                                         if ($t_ctr > 0) {
 999                                                 $additional_tags = array($item['dc']['subject']);
1000
1001                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1002                                                         if ($item['dc']["subject#$i"]) {
1003                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1004                                                         }
1005                                                 }
1006                                         }
1007                                 }
1008
1009                                 // enclosures
1010
1011                                 $enclosures = array();
1012
1013                                 if ($use_simplepie) {
1014                                         $encs = $item->get_enclosures();
1015
1016                                         if (is_array($encs)) {
1017                                                 foreach ($encs as $e) {
1018                                                         $e_item = array(
1019                                                                 $e->link, $e->type, $e->length);
1020
1021                                                         array_push($enclosures, $e_item);
1022                                                 }
1023                                         }
1024
1025                                 } else {
1026                                         // <enclosure>
1027
1028                                         $e_ctr = $item['enclosure#'];
1029
1030                                         if ($e_ctr > 0) {
1031                                                 $e_item = array($item['enclosure@url'],
1032                                                         $item['enclosure@type'],
1033                                                         $item['enclosure@length']);
1034
1035                                                 array_push($enclosures, $e_item);
1036
1037                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1038
1039                                                         if ($item["enclosure#$i@url"]) {
1040                                                                 $e_item = array($item["enclosure#$i@url"],
1041                                                                         $item["enclosure#$i@type"],
1042                                                                         $item["enclosure#$i@length"]);
1043                                                                 array_push($enclosures, $e_item);
1044                                                         }
1045                                                 }
1046                                         }
1047
1048                                         // <media:content>
1049                                         // can there be many of those? yes -fox
1050
1051                                         $m_ctr = $item['media']['content#'];
1052
1053                                         if ($m_ctr > 0) {
1054                                                 $e_item = array($item['media']['content@url'],
1055                                                         $item['media']['content@medium'],
1056                                                         $item['media']['content@length']);
1057
1058                                                 array_push($enclosures, $e_item);
1059
1060                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1061
1062                                                         if ($item["media"]["content#$i@url"]) {
1063                                                                 $e_item = array($item["media"]["content#$i@url"],
1064                                                                         $item["media"]["content#$i@medium"],
1065                                                                         $item["media"]["content#$i@length"]);
1066                                                                 array_push($enclosures, $e_item);
1067                                                         }
1068                                                 }
1069
1070                                         }
1071                                 }
1072
1073                                 # sanitize content
1074
1075                                 $entry_content = sanitize_article_content($entry_content);
1076                                 $entry_title = sanitize_article_content($entry_title);
1077
1078                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1079                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1080                                 }
1081
1082                                 db_query($link, "BEGIN");
1083
1084                                 if (db_num_rows($result) == 0) {
1085
1086                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1087                                                 _debug("update_rss_feed: base guid not found");
1088                                         }
1089
1090                                         // base post entry does not exist, create it
1091
1092                                         $result = db_query($link,
1093                                                 "INSERT INTO ttrss_entries
1094                                                         (title,
1095                                                         guid,
1096                                                         link,
1097                                                         updated,
1098                                                         content,
1099                                                         content_hash,
1100                                                         no_orig_date,
1101                                                         date_entered,
1102                                                         comments,
1103                                                         num_comments,
1104                                                         author)
1105                                                 VALUES
1106                                                         ('$entry_title',
1107                                                         '$entry_guid',
1108                                                         '$entry_link',
1109                                                         '$entry_timestamp_fmt',
1110                                                         '$entry_content',
1111                                                         '$content_hash',
1112                                                         $no_orig_date,
1113                                                         NOW(),
1114                                                         '$entry_comments',
1115                                                         '$num_comments',
1116                                                         '$entry_author')");
1117                                 } else {
1118                                         // we keep encountering the entry in feeds, so we need to
1119                                         // update date_entered column so that we don't get horrible
1120                                         // dupes when the entry gets purged and reinserted again e.g.
1121                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1122
1123                                         $base_entry_id = db_fetch_result($result, 0, "id");
1124
1125                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1126                                                 WHERE id = '$base_entry_id'");
1127                                 }
1128
1129                                 // now it should exist, if not - bad luck then
1130
1131                                 $result = db_query($link, "SELECT
1132                                                 id,content_hash,no_orig_date,title,
1133                                                 ".SUBSTRING_FOR_DATE."(date_entered,1,19) as date_entered,
1134                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1135                                                 num_comments
1136                                         FROM
1137                                                 ttrss_entries
1138                                         WHERE guid = '$entry_guid'");
1139
1140                                 $entry_ref_id = 0;
1141                                 $entry_int_id = 0;
1142
1143                                 if (db_num_rows($result) == 1) {
1144
1145                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1146                                                 _debug("update_rss_feed: base guid found, checking for user record");
1147                                         }
1148
1149                                         // this will be used below in update handler
1150                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1151                                         $orig_title = db_fetch_result($result, 0, "title");
1152                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1153                                         $orig_date_entered = strtotime(db_fetch_result($result,
1154                                                 0, "date_entered"));
1155
1156                                         $ref_id = db_fetch_result($result, 0, "id");
1157                                         $entry_ref_id = $ref_id;
1158
1159                                         // check for user post link to main table
1160
1161                                         // do we allow duplicate posts with same GUID in different feeds?
1162                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1163                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
1164                                         } else {
1165                                                 $dupcheck_qpart = "";
1166                                         }
1167
1168 //                                      error_reporting(0);
1169
1170                                         $article_filters = get_article_filters($filters, $entry_title,
1171                                                         $entry_content, $entry_link, $entry_timestamp);
1172
1173                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1174                                                 _debug("update_rss_feed: article filters: ");
1175                                                 if (count($article_filters) != 0) {
1176                                                         print_r($article_filters);
1177                                                 }
1178                                         }
1179
1180                                         if (find_article_filter($article_filters, "filter")) {
1181                                                 db_query($link, "COMMIT"); // close transaction in progress
1182                                                 continue;
1183                                         }
1184
1185 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1186
1187                                         $score = calculate_article_score($article_filters);
1188
1189                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1190                                                 _debug("update_rss_feed: initial score: $score");
1191                                         }
1192
1193                                         $result = db_query($link,
1194                                                 "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1195                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1196                                                         $dupcheck_qpart");
1197
1198                                         // okay it doesn't exist - create user entry
1199                                         if (db_num_rows($result) == 0) {
1200
1201                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1202                                                         _debug("update_rss_feed: user record not found, creating...");
1203                                                 }
1204
1205                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1206                                                         $unread = 'true';
1207                                                         $last_read_qpart = 'NULL';
1208                                                 } else {
1209                                                         $unread = 'false';
1210                                                         $last_read_qpart = 'NOW()';
1211                                                 }
1212
1213                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1214                                                         $marked = 'true';
1215                                                 } else {
1216                                                         $marked = 'false';
1217                                                 }
1218
1219                                                 if (find_article_filter($article_filters, 'publish')) {
1220                                                         $published = 'true';
1221                                                 } else {
1222                                                         $published = 'false';
1223                                                 }
1224
1225                                                 $result = db_query($link,
1226                                                         "INSERT INTO ttrss_user_entries
1227                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1228                                                                         published, score)
1229                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1230                                                                 $last_read_qpart, $marked, $published, '$score')");
1231
1232                                                 $result = db_query($link,
1233                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1234                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1235                                                                 feed_id = '$feed' LIMIT 1");
1236
1237                                                 if (db_num_rows($result) == 1) {
1238                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1239                                                 }
1240                                         } else {
1241                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1242                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1243                                         }
1244
1245                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1246                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1247                                         }
1248
1249                                         $post_needs_update = false;
1250
1251                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1252                                                 ($content_hash != $orig_content_hash)) {
1253 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1254                                                 $post_needs_update = true;
1255                                         }
1256
1257                                         if (db_escape_string($orig_title) != $entry_title) {
1258                                                 $post_needs_update = true;
1259                                         }
1260
1261                                         if ($orig_num_comments != $num_comments) {
1262                                                 $post_needs_update = true;
1263                                         }
1264
1265 //                                      this doesn't seem to be very reliable
1266 //
1267 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1268 //                                              $post_needs_update = true;
1269 //                                      }
1270
1271                                         // if post needs update, update it and mark all user entries
1272                                         // linking to this post as updated
1273                                         if ($post_needs_update) {
1274
1275                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1276                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1277                                                 }
1278
1279 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1280
1281                                                 db_query($link, "UPDATE ttrss_entries
1282                                                         SET title = '$entry_title', content = '$entry_content',
1283                                                                 content_hash = '$content_hash',
1284                                                                 num_comments = '$num_comments'
1285                                                         WHERE id = '$ref_id'");
1286
1287                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1288                                                         db_query($link, "UPDATE ttrss_user_entries
1289                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1290                                                 } else {
1291                                                         db_query($link, "UPDATE ttrss_user_entries
1292                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1293                                                 }
1294
1295                                         }
1296                                 }
1297
1298                                 db_query($link, "COMMIT");
1299
1300                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1301                                         _debug("update_rss_feed: looking for enclosures...");
1302                                 }
1303
1304                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1305                                         print_r($enclosures);
1306                                 }
1307
1308                                 db_query($link, "BEGIN");
1309
1310                                 foreach ($enclosures as $enc) {
1311                                         $enc_url = db_escape_string($enc[0]);
1312                                         $enc_type = db_escape_string($enc[1]);
1313                                         $enc_dur = db_escape_string($enc[2]);
1314
1315                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1316                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1317
1318                                         if (db_num_rows($result) == 0) {
1319                                                 db_query($link, "INSERT INTO ttrss_enclosures
1320                                                         (content_url, content_type, title, duration, post_id) VALUES
1321                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1322                                         }
1323                                 }
1324
1325                                 db_query($link, "COMMIT");
1326
1327                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1328                                         _debug("update_rss_feed: looking for tags...");
1329                                 }
1330
1331                                 /* taaaags */
1332                                 // <a href="..." rel="tag">Xorg</a>, //
1333
1334                                 $entry_tags = null;
1335
1336                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1337                                         $entry_content_unescaped, $entry_tags);
1338
1339 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1340                                 print_r($entry_tags);
1341                                 print "<br/></p>"; */
1342
1343                                 $entry_tags = $entry_tags[1];
1344
1345                                 # check for manual tags
1346
1347                                 $tag_filter = find_article_filter($article_filters, "tag");
1348
1349                                 if ($tag_filter) {
1350
1351                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1352
1353                                         foreach ($manual_tags as $tag) {
1354                                                 if (tag_is_valid($tag)) {
1355                                                         array_push($entry_tags, $tag);
1356                                                 }
1357                                         }
1358                                 }
1359
1360                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1361                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1362
1363                                 if ($additional_tags && is_array($additional_tags)) {
1364                                         foreach ($additional_tags as $tag) {
1365                                                 if (tag_is_valid($tag) &&
1366                                                                 array_search($tag, $boring_tags) === FALSE) {
1367                                                         array_push($entry_tags, $tag);
1368                                                 }
1369                                         }
1370                                 }
1371
1372 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1373
1374                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1375                                         print_r($entry_tags);
1376                                 }
1377
1378                                 if (count($entry_tags) > 0) {
1379
1380                                         db_query($link, "BEGIN");
1381
1382                                                 foreach ($entry_tags as $tag) {
1383
1384                                                         $tag = sanitize_tag($tag);
1385                                                         $tag = db_escape_string($tag);
1386
1387                                                         if (!tag_is_valid($tag)) continue;
1388
1389                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1390                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1391                                                                 owner_uid = '$owner_uid' LIMIT 1");
1392
1393         //                                              print db_fetch_result($result, 0, "id");
1394
1395                                                         if ($result && db_num_rows($result) == 0) {
1396
1397                                                                 db_query($link, "INSERT INTO ttrss_tags
1398                                                                         (owner_uid,tag_name,post_int_id)
1399                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1400                                                         }
1401                                                 }
1402
1403                                         db_query($link, "COMMIT");
1404                                 }
1405
1406                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1407                                         _debug("update_rss_feed: article processed");
1408                                 }
1409                         }
1410
1411                         db_query($link, "UPDATE ttrss_feeds
1412                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1413
1414 //                      db_query($link, "COMMIT");
1415
1416                 } else {
1417
1418                         if ($use_simplepie) {
1419                                 $error_msg = mb_substr($rss->error(), 0, 250);
1420                         } else {
1421                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1422                         }
1423
1424                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1425                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1426                         }
1427
1428                         $error_msg = db_escape_string($error_msg);
1429
1430                         db_query($link,
1431                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1432                                         last_updated = NOW() WHERE id = '$feed'");
1433                 }
1434
1435                 if ($use_simplepie) {
1436                         unset($rss);
1437                 }
1438
1439                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1440                         _debug("update_rss_feed: done");
1441                 }
1442
1443         }
1444
1445         function print_select($id, $default, $values, $attributes = "") {
1446                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1447                 foreach ($values as $v) {
1448                         if ($v == $default)
1449                                 $sel = " selected";
1450                          else
1451                                 $sel = "";
1452
1453                         print "<option$sel>$v</option>";
1454                 }
1455                 print "</select>";
1456         }
1457
1458         function print_select_hash($id, $default, $values, $attributes = "") {
1459                 print "<select name=\"$id\" id='$id' $attributes>";
1460                 foreach (array_keys($values) as $v) {
1461                         if ($v == $default)
1462                                 $sel = 'selected="selected"';
1463                          else
1464                                 $sel = "";
1465
1466                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1467                 }
1468
1469                 print "</select>";
1470         }
1471
1472         function get_article_filters($filters, $title, $content, $link, $timestamp) {
1473                 $matches = array();
1474
1475                 if ($filters["title"]) {
1476                         foreach ($filters["title"] as $filter) {
1477                                 $reg_exp = $filter["reg_exp"];
1478                                 $inverse = $filter["inverse"];
1479                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1480                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1481
1482                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1483                                 }
1484                         }
1485                 }
1486
1487                 if ($filters["content"]) {
1488                         foreach ($filters["content"] as $filter) {
1489                                 $reg_exp = $filter["reg_exp"];
1490                                 $inverse = $filter["inverse"];
1491
1492                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1493                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1494
1495                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1496                                 }
1497                         }
1498                 }
1499
1500                 if ($filters["both"]) {
1501                         foreach ($filters["both"] as $filter) {
1502                                 $reg_exp = $filter["reg_exp"];
1503                                 $inverse = $filter["inverse"];
1504
1505                                 if ($inverse) {
1506                                         if (!preg_match("/$reg_exp/i", $title) || !preg_match("/$reg_exp/i", $content)) {
1507                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1508                                         }
1509                                 } else {
1510                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1511                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1512                                         }
1513                                 }
1514                         }
1515                 }
1516
1517                 if ($filters["link"]) {
1518                         $reg_exp = $filter["reg_exp"];
1519                         foreach ($filters["link"] as $filter) {
1520                                 $reg_exp = $filter["reg_exp"];
1521                                 $inverse = $filter["inverse"];
1522
1523                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1524                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1525
1526                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1527                                 }
1528                         }
1529                 }
1530
1531                 if ($filters["date"]) {
1532                         $reg_exp = $filter["reg_exp"];
1533                         foreach ($filters["date"] as $filter) {
1534                                 $date_modifier = $filter["filter_param"];
1535                                 $inverse = $filter["inverse"];
1536                                 $check_timestamp = strtotime($filter["reg_exp"]);
1537
1538                                 # no-op when timestamp doesn't parse to prevent misfires
1539
1540                                 if ($check_timestamp) {
1541                                         $match_ok = false;
1542
1543                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1544                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1545                                                         $match_ok = true;
1546                                         }
1547
1548                                         if ($inverse) $match_ok = !$match_ok;
1549
1550                                         if ($match_ok) {
1551                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1552                                         }
1553                                 }
1554                         }
1555                 }
1556
1557                 return $matches;
1558         }
1559
1560         function find_article_filter($filters, $filter_name) {
1561                 foreach ($filters as $f) {
1562                         if ($f[0] == $filter_name) {
1563                                 return $f;
1564                         };
1565                 }
1566                 return false;
1567         }
1568
1569         function calculate_article_score($filters) {
1570                 $score = 0;
1571
1572                 foreach ($filters as $f) {
1573                         if ($f[0] == "score") {
1574                                 $score += $f[1];
1575                         };
1576                 }
1577                 return $score;
1578         }
1579
1580
1581         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1582                 $rtl_content = false, $last_updated = false, $last_error = false) {
1583
1584                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1585                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1586                 } else {
1587                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1588                 }
1589
1590                 if ($rtl_content) {
1591                         $rtl_tag = "dir=\"rtl\"";
1592                 } else {
1593                         $rtl_tag = "dir=\"ltr\"";
1594                 }
1595
1596                 $error_notify_msg = "";
1597
1598                 if ($last_error) {
1599                         $link_title = "Error: $last_error ($last_updated)";
1600                         $error_notify_msg = "(Error)";
1601                 } else if ($last_updated) {
1602                         $link_title = "Updated: $last_updated";
1603                 }
1604
1605                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1606                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1607
1608                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1609                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1610                         print "$feed_icon";
1611                 }
1612
1613                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1614
1615                 if ($unread != 0) {
1616                         $fctr_class = "class=\"feedCtrHasUnread\"";
1617                 } else {
1618                         $fctr_class = "class=\"feedCtrNoUnread\"";
1619                 }
1620
1621                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1622                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1623
1624                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1625                         $total = getFeedArticles($link, $feed_id);
1626                         print "<div class=\"feedExtInfo\">
1627                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1628                 }
1629
1630                 print "</li>";
1631
1632         }
1633
1634         function getmicrotime() {
1635                 list($usec, $sec) = explode(" ",microtime());
1636                 return ((float)$usec + (float)$sec);
1637         }
1638
1639         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1640                 foreach ($values as $v) {
1641
1642                         if ($v == $default)
1643                                 $sel = "checked";
1644                          else
1645                                 $sel = "";
1646
1647                         if ($v == $true_is) {
1648                                 $sel .= " value=\"1\"";
1649                         } else {
1650                                 $sel .= " value=\"0\"";
1651                         }
1652
1653                         print "<input class=\"noborder\"
1654                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1655
1656                 }
1657         }
1658
1659         function initialize_user_prefs($link, $uid) {
1660
1661                 $uid = db_escape_string($uid);
1662
1663                 db_query($link, "BEGIN");
1664
1665                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1666
1667                 $u_result = db_query($link, "SELECT pref_name
1668                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1669
1670                 $active_prefs = array();
1671
1672                 while ($line = db_fetch_assoc($u_result)) {
1673                         array_push($active_prefs, $line["pref_name"]);
1674                 }
1675
1676                 while ($line = db_fetch_assoc($result)) {
1677                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1678 //                              print "adding " . $line["pref_name"] . "<br>";
1679
1680                                 db_query($link, "INSERT INTO ttrss_user_prefs
1681                                         (owner_uid,pref_name,value) VALUES
1682                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1683
1684                         }
1685                 }
1686
1687                 db_query($link, "COMMIT");
1688
1689         }
1690
1691         function lookup_user_id($link, $user) {
1692
1693                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1694                         login = '$login'");
1695
1696                 if (db_num_rows($result) == 1) {
1697                         return db_fetch_result($result, 0, "id");
1698                 } else {
1699                         return false;
1700                 }
1701         }
1702
1703         function http_authenticate_user($link) {
1704
1705                 error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1706
1707                 if (!$_SERVER["PHP_AUTH_USER"]) {
1708
1709                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1710                         header('HTTP/1.0 401 Unauthorized');
1711                         exit;
1712
1713                 } else {
1714                         $auth_result = authenticate_user($link,
1715                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1716
1717                         if (!$auth_result) {
1718                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1719                                 header('HTTP/1.0 401 Unauthorized');
1720                                 exit;
1721                         }
1722                 }
1723
1724                 return true;
1725         }
1726
1727         function authenticate_user($link, $login, $password, $force_auth = false) {
1728
1729                 if (!SINGLE_USER_MODE) {
1730
1731                         $pwd_hash1 = encrypt_password($password);
1732                         $pwd_hash2 = encrypt_password($password, $login);
1733
1734                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1735                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1736
1737                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1738
1739                                 $query = "SELECT id,login,access_level,pwd_hash
1740                     FROM ttrss_users WHERE
1741                                         login = '$login'";
1742
1743                         } else {
1744                                 $query = "SELECT id,login,access_level,pwd_hash
1745                     FROM ttrss_users WHERE
1746                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1747                                                 pwd_hash = '$pwd_hash2')";
1748                         }
1749
1750                         $result = db_query($link, $query);
1751
1752                         if (db_num_rows($result) == 1) {
1753                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1754                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1755                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1756
1757                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1758                                         $_SESSION["uid"]);
1759
1760                                 $user_theme = get_user_theme_path($link);
1761
1762                                 $_SESSION["theme"] = $user_theme;
1763                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1764                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1765
1766                                 initialize_user_prefs($link, $_SESSION["uid"]);
1767
1768                                 return true;
1769                         }
1770
1771                         return false;
1772
1773                 } else {
1774
1775                         $_SESSION["uid"] = 1;
1776                         $_SESSION["name"] = "admin";
1777
1778                         $user_theme = get_user_theme_path($link);
1779
1780                         $_SESSION["theme"] = $user_theme;
1781                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1782
1783                         initialize_user_prefs($link, $_SESSION["uid"]);
1784
1785                         return true;
1786                 }
1787         }
1788
1789         function make_password($length = 8) {
1790
1791                 $password = "";
1792                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1793
1794         $i = 0;
1795
1796                 while ($i < $length) {
1797                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1798
1799                         if (!strstr($password, $char)) {
1800                                 $password .= $char;
1801                                 $i++;
1802                         }
1803                 }
1804                 return $password;
1805         }
1806
1807         // this is called after user is created to initialize default feeds, labels
1808         // or whatever else
1809
1810         // user preferences are checked on every login, not here
1811
1812         function initialize_user($link, $uid) {
1813
1814                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1815                         values ('$uid','unread = true', 'Unread articles')");
1816
1817                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1818                         values ('$uid','last_read is null and unread = false', 'Updated articles')");
1819
1820                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1821                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1822                         'http://tt-rss.spb.ru/releases.rss')");
1823
1824                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1825                         values ('$uid', 'Tiny Tiny RSS: Forum',
1826                         'http://tt-rss.spb.ru/forum/rss.php')");
1827         }
1828
1829         function logout_user() {
1830                 session_destroy();
1831                 if (isset($_COOKIE[session_name()])) {
1832                    setcookie(session_name(), '', time()-42000, '/');
1833                 }
1834         }
1835
1836         function get_script_urlpath() {
1837                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1838         }
1839
1840         function validate_session($link) {
1841                 if (SINGLE_USER_MODE) {
1842                         return true;
1843                 }
1844
1845                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1846                         if ($_SESSION["ip_address"]) {
1847                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1848                                         $_SESSION["login_error_msg"] = "Session failed to validate (incorrect IP)";
1849                                         return false;
1850                                 }
1851                         }
1852                 }
1853
1854                 if ($_SESSION["uid"]) {
1855
1856                         $result = db_query($link,
1857                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1858
1859                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1860
1861                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1862                                 return false;
1863                         }
1864                 }
1865
1866 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1867
1868                         //print_r($_SESSION);
1869
1870                         if (time() > $_SESSION["cookie_lifetime"]) {
1871                                 return false;
1872                         }
1873                 } */
1874
1875                 return true;
1876         }
1877
1878         function login_sequence($link, $mobile = false) {
1879                 if (!SINGLE_USER_MODE) {
1880
1881                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1882                                 $swu = db_escape_string($_REQUEST["swu"]);
1883                                 if ($swu) {
1884                                         $_SESSION["prefs_cache"] = false;
1885                                         return authenticate_user($link, $swu, null, true);
1886                                 }
1887                         }
1888
1889                         $login_action = $_POST["login_action"];
1890
1891                         # try to authenticate user if called from login form
1892                         if ($login_action == "do_login") {
1893                                 $login = $_POST["login"];
1894                                 $password = $_POST["password"];
1895                                 $remember_me = $_POST["remember_me"];
1896
1897                                 if (authenticate_user($link, $login, $password)) {
1898                                         $_POST["password"] = "";
1899
1900                                         $_SESSION["language"] = $_POST["language"];
1901                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1902
1903                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1904                                         exit;
1905
1906                                         return;
1907                                 } else {
1908                                         $_SESSION["login_error_msg"] = "Incorrect username or password";
1909                                 }
1910                         }
1911
1912 //                      print session_id();
1913 //                      print_r($_SESSION);
1914
1915                         if (!$_SESSION["uid"] || !validate_session($link)) {
1916                                 render_login_form($link, $mobile);
1917                                 exit;
1918                         } else {
1919                                 /* bump login timestamp */
1920                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1921                                         $_SESSION["uid"]);
1922
1923                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1924                                         setcookie("ttrss_lang", $_SESSION["language"],
1925                                                 time() + SESSION_COOKIE_LIFETIME);
1926                                 }
1927
1928                                 /* bump counters stamp since we're getting reloaded anyway */
1929
1930                                 $_SESSION["get_all_counters_stamp"] = time();
1931                         }
1932
1933                 } else {
1934                         return authenticate_user($link, "admin", null);
1935                 }
1936         }
1937
1938         function truncate_string($str, $max_len) {
1939                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1940                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1941                 } else {
1942                         return $str;
1943                 }
1944         }
1945
1946         function get_user_theme_path($link) {
1947                 $result = db_query($link, "SELECT theme_path
1948                         FROM
1949                                 ttrss_themes,ttrss_users
1950                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1951                 if (db_num_rows($result) != 0) {
1952                         return db_fetch_result($result, 0, "theme_path");
1953                 } else {
1954                         return null;
1955                 }
1956         }
1957
1958         function smart_date_time($timestamp) {
1959                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1960                         return date("G:i", $timestamp);
1961                 } else if (date("Y", $timestamp) == date("Y")) {
1962                         return date("M d, G:i", $timestamp);
1963                 } else {
1964                         return date("Y/m/d, G:i", $timestamp);
1965                 }
1966         }
1967
1968         function smart_date($timestamp) {
1969                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1970                         return "Today";
1971                 } else if (date("Y", $timestamp) == date("Y")) {
1972                         return date("D m", $timestamp);
1973                 } else {
1974                         return date("Y/m/d", $timestamp);
1975                 }
1976         }
1977
1978         function sql_bool_to_string($s) {
1979                 if ($s == "t" || $s == "1") {
1980                         return "true";
1981                 } else {
1982                         return "false";
1983                 }
1984         }
1985
1986         function sql_bool_to_bool($s) {
1987                 if ($s == "t" || $s == "1") {
1988                         return true;
1989                 } else {
1990                         return false;
1991                 }
1992         }
1993
1994
1995         function toggleEvenOdd($a) {
1996                 if ($a == "even")
1997                         return "odd";
1998                 else
1999                         return "even";
2000         }
2001
2002         function sanity_check($link) {
2003
2004                 error_reporting(0);
2005
2006                 $error_code = 0;
2007                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2008                 $schema_version = db_fetch_result($result, 0, "schema_version");
2009
2010                 if ($schema_version != SCHEMA_VERSION) {
2011                         $error_code = 5;
2012                 }
2013
2014                 if (DB_TYPE == "mysql") {
2015                         $result = db_query($link, "SELECT true", false);
2016                         if (db_num_rows($result) != 1) {
2017                                 $error_code = 10;
2018                         }
2019                 }
2020
2021                 if (db_escape_string("testTEST") != "testTEST") {
2022                         $error_code = 12;
2023                 }
2024
2025                 error_reporting (DEFAULT_ERROR_LEVEL);
2026
2027                 if ($error_code != 0) {
2028                         print_error_xml($error_code);
2029                         return false;
2030                 } else {
2031                         return true;
2032                 }
2033         }
2034
2035         function file_is_locked($filename) {
2036                 if (function_exists('flock')) {
2037                         error_reporting(0);
2038                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2039                         error_reporting(DEFAULT_ERROR_LEVEL);
2040                         if ($fp) {
2041                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2042                                         flock($fp, LOCK_UN);
2043                                         fclose($fp);
2044                                         return false;
2045                                 }
2046                                 fclose($fp);
2047                                 return true;
2048                         } else {
2049                                 return false;
2050                         }
2051                 }
2052                 return true; // consider the file always locked and skip the test
2053         }
2054
2055         function make_lockfile($filename) {
2056                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2057
2058                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2059                         return $fp;
2060                 } else {
2061                         return false;
2062                 }
2063         }
2064
2065         function make_stampfile($filename) {
2066                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2067
2068                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2069                         fwrite($fp, time() . "\n");
2070                         flock($fp, LOCK_UN);
2071                         fclose($fp);
2072                         return true;
2073                 } else {
2074                         return false;
2075                 }
2076         }
2077
2078         function read_stampfile($filename) {
2079
2080                 error_reporting(0);
2081                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2082                 error_reporting (DEFAULT_ERROR_LEVEL);
2083
2084                 if ($fp) {
2085                         if (flock($fp, LOCK_EX)) {
2086                                 $stamp = fgets($fp);
2087                                 flock($fp, LOCK_UN);
2088                                 fclose($fp);
2089                                 return $stamp;
2090                         } else {
2091                                 return false;
2092                         }
2093                 } else {
2094                         return false;
2095                 }
2096         }
2097
2098         function sql_random_function() {
2099                 if (DB_TYPE == "mysql") {
2100                         return "RAND()";
2101                 } else {
2102                         return "RANDOM()";
2103                 }
2104         }
2105
2106         function catchup_feed($link, $feed, $cat_view) {
2107
2108                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2109
2110                                 if ($cat_view) {
2111
2112                                         if ($feed > 0) {
2113                                                 $cat_qpart = "cat_id = '$feed'";
2114                                         } else {
2115                                                 $cat_qpart = "cat_id IS NULL";
2116                                         }
2117
2118                                         $tmp_result = db_query($link, "SELECT id
2119                                                 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
2120                                                 $_SESSION["uid"]);
2121
2122                                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
2123
2124                                                 $tmp_feed = $tmp_line["id"];
2125
2126                                                 db_query($link, "UPDATE ttrss_user_entries
2127                                                         SET unread = false,last_read = NOW()
2128                                                         WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
2129                                         }
2130
2131                                 } else if ($feed > 0) {
2132
2133                                         $tmp_result = db_query($link, "SELECT id
2134                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2135                                                 ORDER BY cat_id,title");
2136
2137                                         $parent_ids = array();
2138
2139                                         if (db_num_rows($tmp_result) > 0) {
2140                                                 while ($p = db_fetch_assoc($tmp_result)) {
2141                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2142                                                 }
2143
2144                                                 $children_qpart = implode(" OR ", $parent_ids);
2145
2146                                                 db_query($link, "UPDATE ttrss_user_entries
2147                                                         SET unread = false,last_read = NOW()
2148                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2149                                                         AND owner_uid = " . $_SESSION["uid"]);
2150
2151                                         } else {
2152                                                 db_query($link, "UPDATE ttrss_user_entries
2153                                                         SET unread = false,last_read = NOW()
2154                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2155                                         }
2156
2157                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2158
2159                                         if ($feed == -1) {
2160                                                 db_query($link, "UPDATE ttrss_user_entries
2161                                                         SET unread = false,last_read = NOW()
2162                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
2163                                         }
2164
2165                                         if ($feed == -2) {
2166                                                 db_query($link, "UPDATE ttrss_user_entries
2167                                                         SET unread = false,last_read = NOW()
2168                                                         WHERE published = true AND owner_uid = ".$_SESSION["uid"]);
2169                                         }
2170
2171                                         if ($feed == -3) {
2172
2173                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2174
2175                                                 if (DB_TYPE == "pgsql") {
2176                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2177                                                 } else {
2178                                                         $match_part = "updated > DATE_SUB(NOW(),
2179                                                                 INTERVAL $intl HOUR) ";
2180                                                 }
2181
2182                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2183                                                         ttrss_user_entries WHERE $match_part AND
2184                                                         unread = true AND
2185                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2186                                                         owner_uid = ".$_SESSION["uid"]);
2187
2188                                                 $affected_ids = array();
2189
2190                                                 while ($line = db_fetch_assoc($result)) {
2191                                                         array_push($affected_ids, $line["id"]);
2192                                                 }
2193
2194                                                 catchupArticlesById($link, $affected_ids, 0);
2195                                         }
2196
2197                                 } else if ($feed < -10) { // label
2198
2199                                         // TODO make this more efficient
2200
2201                                         $label_id = -$feed - 11;
2202
2203                                         $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
2204                                                 WHERE id = '$label_id'");
2205
2206                                         if ($tmp_result) {
2207                                                 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
2208
2209                                                 db_query($link, "BEGIN");
2210
2211                                                 $tmp2_result = db_query($link,
2212                                                         "SELECT
2213                                                                 int_id
2214                                                         FROM
2215                                                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
2216                                                         WHERE
2217                                                                 ref_id = ttrss_entries.id AND
2218                                                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2219                                                                 $sql_exp AND
2220                                                                 ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2221
2222                                                 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
2223                                                         db_query($link, "UPDATE
2224                                                                 ttrss_user_entries
2225                                                         SET
2226                                                                 unread = false, last_read = NOW()
2227                                                         WHERE
2228                                                                 int_id = " . $tmp_line["int_id"]);
2229                                                 }
2230
2231                                                 db_query($link, "COMMIT");
2232
2233 /*                                              db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
2234                                                         SET unread = false,last_read = NOW()
2235                                                         WHERE $sql_exp
2236                                                         AND ref_id = id
2237                                                         AND owner_uid = ".$_SESSION["uid"]); */
2238                                         }
2239                                 }
2240                         } else { // tag
2241                                 db_query($link, "BEGIN");
2242
2243                                 $tag_name = db_escape_string($feed);
2244
2245                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2246                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
2247
2248                                 while ($line = db_fetch_assoc($result)) {
2249                                         db_query($link, "UPDATE ttrss_user_entries SET
2250                                                 unread = false, last_read = NOW()
2251                                                 WHERE int_id = " . $line["post_int_id"]);
2252                                 }
2253                                 db_query($link, "COMMIT");
2254                         }
2255         }
2256
2257         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2258                         if ($cat_view) {
2259
2260                                 if ($feed > 0) {
2261                                         $cat_qpart = "cat_id = '$feed'";
2262                                 } else {
2263                                         $cat_qpart = "cat_id IS NULL";
2264                                 }
2265
2266                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
2267                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2268
2269                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2270                                         $feed_url = $tmp_line["feed_url"];
2271                                         $feed_id = $tmp_line["id"];
2272                                         update_rss_feed($link, $feed_url, $feed_id, $force_update);
2273                                 }
2274
2275                         } else {
2276                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
2277                                         WHERE id = '$feed'");
2278                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
2279                                 update_rss_feed($link, $feed_url, $feed, $force_update);
2280                         }
2281         }
2282
2283         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2284
2285                 /* getting all counters is a resource intensive operation, so we
2286                  * rate limit it a little bit */
2287
2288
2289
2290                 if (get_pref($link, "SYNC_COUNTERS") ||
2291                                 time() - $_SESSION["get_all_counters_stamp"] > 5) {
2292
2293                         if (!$omode) $omode = "flc";
2294
2295                         getGlobalCounters($link);
2296
2297                         if (strchr($omode, "l")) getLabelCounters($link);
2298                         if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
2299                         if (strchr($omode, "t")) getTagCounters($link);
2300                         if (strchr($omode, "c")) {
2301                                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
2302                                         getCategoryCounters($link);
2303                                 }
2304                         }
2305
2306                         $_SESSION["get_all_counters_stamp"] = time();
2307                 }
2308
2309         }
2310
2311         function getCategoryCounters($link) {
2312                 # two special categories are -1 and -2 (all virtuals; all labels)
2313
2314                 $ctr = getCategoryUnread($link, -1);
2315
2316                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>";
2317
2318                 $ctr = getCategoryUnread($link, -2);
2319
2320                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2321
2322                 $age_qpart = getMaxAgeSubquery();
2323
2324                 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
2325                                 FROM ttrss_user_entries, ttrss_entries WHERE feed_id = ttrss_feeds.id
2326                                         AND id = ref_id AND $age_qpart
2327                                         AND unread = true)) AS unread FROM ttrss_feeds
2328                         WHERE
2329                                 hidden = false AND owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
2330
2331                 while ($line = db_fetch_assoc($result)) {
2332                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
2333                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2334                                 $line["unread"]."\"/>";
2335                 }
2336         }
2337
2338         function getCategoryUnread($link, $cat) {
2339
2340                 if ($cat >= 0) {
2341
2342                         if ($cat != 0) {
2343                                 $cat_query = "cat_id = '$cat'";
2344                         } else {
2345                                 $cat_query = "cat_id IS NULL";
2346                         }
2347
2348                         $age_qpart = getMaxAgeSubquery();
2349
2350                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2351                                         AND hidden = false
2352                                         AND owner_uid = " . $_SESSION["uid"]);
2353
2354                         $cat_feeds = array();
2355                         while ($line = db_fetch_assoc($result)) {
2356                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2357                         }
2358
2359                         if (count($cat_feeds) == 0) return 0;
2360
2361                         $match_part = implode(" OR ", $cat_feeds);
2362
2363                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2364                                 FROM ttrss_user_entries,ttrss_entries
2365                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2366                                 AND $age_qpart AND owner_uid = " . $_SESSION["uid"]);
2367
2368                         $unread = 0;
2369
2370                         # this needs to be rewritten
2371                         while ($line = db_fetch_assoc($result)) {
2372                                 $unread += $line["unread"];
2373                         }
2374
2375                         return $unread;
2376                 } else if ($cat == -1) {
2377                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
2378                 } else if ($cat == -2) {
2379
2380                         $rv = getLabelCounters($link, false, true);
2381                         $ctr = 0;
2382
2383                         foreach (array_keys($rv) as $k) {
2384                                 if ($k < -10) {
2385                                         $ctr += $rv[$k]["counter"];
2386                                 }
2387                         }
2388
2389                         return $ctr;
2390                 }
2391         }
2392
2393         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2394                 if (DB_TYPE == "pgsql") {
2395                         return "ttrss_entries.date_entered >
2396                                 NOW() - INTERVAL '$days days'";
2397                 } else {
2398                         return "ttrss_entries.date_entered >
2399                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2400                 }
2401         }
2402
2403         function getFeedUnread($link, $feed, $is_cat = false) {
2404                 return getFeedArticles($link, $feed, $is_cat, true);
2405         }
2406
2407         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false) {
2408                 $n_feed = sprintf("%d", $feed);
2409
2410                 if ($unread_only) {
2411                         $unread_qpart = "unread = true";
2412                 } else {
2413                         $unread_qpart = "true";
2414                 }
2415
2416                 $age_qpart = getMaxAgeSubquery();
2417
2418                 if ($is_cat) {
2419                         return getCategoryUnread($link, $n_feed);
2420                 } else if ($n_feed == -1) {
2421                         $match_part = "marked = true";
2422                 } else if ($n_feed == -2) {
2423                         $match_part = "published = true";
2424                 } else if ($n_feed == -3) {
2425                         $match_part = "unread = true";
2426
2427                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2428
2429                         if (DB_TYPE == "pgsql") {
2430                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2431                         } else {
2432                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2433                         }
2434
2435                 } else if ($n_feed > 0) {
2436
2437                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2438                                         WHERE parent_feed = '$n_feed'
2439                                         AND hidden = false
2440                                         AND owner_uid = " . $_SESSION["uid"]);
2441
2442                         if (db_num_rows($result) > 0) {
2443
2444                                 $linked_feeds = array();
2445                                 while ($line = db_fetch_assoc($result)) {
2446                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2447                                 }
2448
2449                                 array_push($linked_feeds, "feed_id = $n_feed");
2450
2451                                 $match_part = implode(" OR ", $linked_feeds);
2452
2453                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
2454                                         FROM ttrss_user_entries,ttrss_entries
2455                                         WHERE   $unread_qpart AND
2456                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2457                                         $age_qpart AND
2458                                         ($match_part) AND
2459                                         owner_uid = " . $_SESSION["uid"]);
2460
2461                                 $unread = 0;
2462
2463                                 # this needs to be rewritten
2464                                 while ($line = db_fetch_assoc($result)) {
2465                                         $unread += $line["unread"];
2466                                 }
2467
2468                                 return $unread;
2469
2470                         } else {
2471                                 $match_part = "feed_id = '$n_feed'";
2472                         }
2473                 } else if ($feed < -10) {
2474
2475                         $label_id = -$feed - 11;
2476
2477                         $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
2478                                 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
2479
2480                         $match_part = db_fetch_result($result, 0, "sql_exp");
2481                 }
2482
2483                 if ($match_part) {
2484
2485                         $result = db_query($link, "SELECT count(int_id) AS unread
2486                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
2487                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2488                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2489                                 ttrss_feeds.hidden = false AND
2490                                 $age_qpart AND
2491                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2492
2493                 } else {
2494
2495                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2496                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2497                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2498                                 AND $unread_qpart AND $age_qpart AND
2499                                         ttrss_tags.owner_uid = " . $_SESSION["uid"]);
2500                 }
2501
2502                 $unread = db_fetch_result($result, 0, "unread");
2503
2504                 return $unread;
2505         }
2506
2507         /* FIXME this needs reworking */
2508
2509         function getGlobalUnread($link, $user_id = false) {
2510
2511                 if (!$user_id) {
2512                         $user_id = $_SESSION["uid"];
2513                 }
2514
2515                 $age_qpart = getMaxAgeSubquery();
2516
2517                 $result = db_query($link, "SELECT count(ttrss_entries.id) as c_id FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2518                         WHERE unread = true AND
2519                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
2520                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2521                         hidden = false AND
2522                         $age_qpart AND
2523                         ttrss_user_entries.owner_uid = '$user_id'");
2524                 $c_id = db_fetch_result($result, 0, "c_id");
2525                 return $c_id;
2526         }
2527
2528         function getGlobalCounters($link, $global_unread = -1) {
2529                 if ($global_unread == -1) {
2530                         $global_unread = getGlobalUnread($link);
2531                 }
2532                 print "<counter type=\"global\" id='global-unread'
2533                         counter='$global_unread'/>";
2534
2535                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2536                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2537
2538                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2539
2540                 print "<counter type=\"global\" id='subscribed-feeds'
2541                         counter='$subscribed_feeds'/>";
2542
2543         }
2544
2545         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2546
2547                 if ($smart_mode) {
2548                         if (!$_SESSION["tctr_last_value"]) {
2549                                 $_SESSION["tctr_last_value"] = array();
2550                         }
2551                 }
2552
2553                 $old_counters = $_SESSION["tctr_last_value"];
2554
2555                 $tctrs_modified = false;
2556
2557 /*              $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
2558                         FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
2559                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2560                         ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
2561                         post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
2562                 UNION
2563                         select tag_name,0 as count FROM ttrss_tags
2564                         WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
2565
2566                 $age_qpart = getMaxAgeSubquery();
2567
2568                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2569                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2570                                 AND ref_id = id AND $age_qpart
2571                                 AND unread = true)) AS count FROM ttrss_tags
2572                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2573                                 ORDER BY count DESC LIMIT 55");
2574
2575                 $tags = array();
2576
2577                 while ($line = db_fetch_assoc($result)) {
2578                         $tags[$line["tag_name"]] += $line["count"];
2579                 }
2580
2581                 foreach (array_keys($tags) as $tag) {
2582                         $unread = $tags[$tag];
2583
2584                         $tag = htmlspecialchars($tag);
2585
2586                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2587                                 $old_counters[$tag] = $unread;
2588                                 $tctrs_modified = true;
2589                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2590                         }
2591
2592                 }
2593
2594                 if ($smart_mode && $tctrs_modified) {
2595                         $_SESSION["tctr_last_value"] = $old_counters;
2596                 }
2597
2598         }
2599
2600         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2601
2602                 $age_qpart = getMaxAgeSubquery();
2603
2604                 if ($smart_mode) {
2605                         if (!$_SESSION["lctr_last_value"]) {
2606                                 $_SESSION["lctr_last_value"] = array();
2607                         }
2608                 }
2609
2610                 $ret_arr = array();
2611
2612                 $old_counters = $_SESSION["lctr_last_value"];
2613                 $lctrs_modified = false;
2614
2615                 $count = getFeedUnread($link, -1);
2616
2617                 if (!$ret_mode) {
2618
2619                         if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2620                                 $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2621                         } else {
2622                                 $xmsg_part = "";
2623                         }
2624
2625                         print "<counter type=\"label\" id=\"-1\" counter=\"$count\" $xmsg_part/>";
2626                 } else {
2627                         $ret_arr["-1"]["counter"] = $count;
2628                         $ret_arr["-1"]["description"] = __("Starred articles");
2629                 }
2630
2631                 $count = getFeedUnread($link, -2);
2632
2633                 if (!$ret_mode) {
2634
2635                         if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2636                                 $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2637                         } else {
2638                                 $xmsg_part = "";
2639                         }
2640
2641                         print "<counter type=\"label\" id=\"-2\" counter=\"$count\" $xmsg_part/>";
2642                 } else {
2643                         $ret_arr["-2"]["counter"] = $count;
2644                         $ret_arr["-2"]["description"] = __("Published articles");
2645                 }
2646
2647                 $count = getFeedUnread($link, -3);
2648
2649                 if (!$ret_mode) {
2650
2651                         if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2652                                 $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2653                         } else {
2654                                 $xmsg_part = "";
2655                         }
2656
2657                         print "<counter type=\"label\" id=\"-3\" counter=\"$count\" $xmsg_part/>";
2658                 } else {
2659                         $ret_arr["-3"]["counter"] = $count;
2660                         $ret_arr["-3"]["description"] = __("Fresh articles");
2661                 }
2662
2663
2664                 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
2665                         ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
2666
2667                 while ($line = db_fetch_assoc($result)) {
2668
2669                         $id = -$line["id"] - 11;
2670
2671                         $label_name = $line["description"];
2672
2673                         error_reporting (0);
2674
2675                         $tmp_result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_user_entries,ttrss_entries,ttrss_feeds
2676                                 WHERE (" . $line["sql_exp"] . ") AND unread = true AND
2677                                 ttrss_feeds.hidden = false AND
2678                                 $age_qpart AND
2679                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2680                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2681                                 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
2682
2683                         $count = db_fetch_result($tmp_result, 0, "count");
2684
2685                         if (!$smart_mode || $old_counters[$id] != $count) {
2686                                 $old_counters[$id] = $count;
2687                                 $lctrs_modified = true;
2688                                 if (!$ret_mode) {
2689
2690                                         if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2691                                                 $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2692                                         } else {
2693                                                 $xmsg_part = "";
2694                                         }
2695
2696                                         print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
2697                                 } else {
2698                                         $ret_arr[$id]["counter"] = $count;
2699                                         $ret_arr[$id]["description"] = $label_name;
2700                                 }
2701                         }
2702
2703                         error_reporting (DEFAULT_ERROR_LEVEL);
2704                 }
2705
2706                 if ($smart_mode && $lctrs_modified) {
2707                         $_SESSION["lctr_last_value"] = $old_counters;
2708                 }
2709
2710                 return $ret_arr;
2711         }
2712
2713 /*      function getFeedCounter($link, $id) {
2714
2715                 $result = db_query($link, "SELECT
2716                                 count(id) as count,last_error
2717                         FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2718                         WHERE feed_id = '$id' AND unread = true
2719                         AND ttrss_user_entries.feed_id = ttrss_feeds.id
2720                         AND ttrss_user_entries.ref_id = ttrss_entries.id");
2721
2722                         $count = db_fetch_result($result, 0, "count");
2723                         $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
2724
2725                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
2726         } */
2727
2728         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2729
2730                 $age_qpart = getMaxAgeSubquery();
2731
2732                 if ($smart_mode) {
2733                         if (!$_SESSION["fctr_last_value"]) {
2734                                 $_SESSION["fctr_last_value"] = array();
2735                         }
2736                 }
2737
2738                 $old_counters = $_SESSION["fctr_last_value"];
2739
2740 /*              $result = db_query($link, "SELECT id,last_error,parent_feed,
2741                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated,
2742                         (SELECT count(id)
2743                                 FROM ttrss_entries,ttrss_user_entries
2744                                 WHERE feed_id = ttrss_feeds.id AND
2745                                         ttrss_user_entries.ref_id = ttrss_entries.id
2746                                 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
2747                         FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
2748                         AND parent_feed IS NULL"); */
2749
2750                 $query = "SELECT ttrss_feeds.id,
2751                                 ttrss_feeds.title,
2752                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2753                                 last_error,
2754                                 COUNT(ttrss_entries.id) AS count
2755                         FROM ttrss_feeds
2756                                 LEFT JOIN ttrss_user_entries ON (ttrss_user_entries.feed_id = ttrss_feeds.id
2757                                         AND ttrss_user_entries.owner_uid = ttrss_feeds.owner_uid
2758                                         AND ttrss_user_entries.unread = true)
2759                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id AND
2760                                         $age_qpart)
2761                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2762                                 AND parent_feed IS NULL
2763                         GROUP BY ttrss_feeds.id, ttrss_feeds.title, ttrss_feeds.last_updated, last_error";
2764
2765                 $result = db_query($link, $query);
2766                 $fctrs_modified = false;
2767
2768                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2769
2770                 while ($line = db_fetch_assoc($result)) {
2771
2772                         $id = $line["id"];
2773                         $count = $line["count"];
2774                         $last_error = htmlspecialchars($line["last_error"]);
2775
2776                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2777                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2778                         } else {
2779                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2780                         }
2781
2782                         $last_updated = htmlspecialchars($last_updated);
2783
2784                         $has_img = feed_has_icon($id);
2785
2786                         $tmp_result = db_query($link,
2787                                 "SELECT ttrss_feeds.id,COUNT(unread) AS unread
2788                                 FROM ttrss_feeds LEFT JOIN ttrss_user_entries
2789                                         ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
2790                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id)
2791                                 WHERE parent_feed = '$id' AND $age_qpart AND unread = true GROUP BY ttrss_feeds.id");
2792
2793                         if (db_num_rows($tmp_result) > 0) {
2794                                 while ($l = db_fetch_assoc($tmp_result)) {
2795                                         $count += $l["unread"];
2796                                 }
2797                         }
2798
2799                         if (!$smart_mode || $old_counters[$id] != $count) {
2800                                 $old_counters[$id] = $count;
2801                                 $fctrs_modified = true;
2802
2803                                 if ($last_error) {
2804                                         $error_part = "error=\"$last_error\"";
2805                                 } else {
2806                                         $error_part = "";
2807                                 }
2808
2809                                 if ($has_img) {
2810                                         $has_img_part = "hi=\"$has_img\"";
2811                                 } else {
2812                                         $has_img_part = "";
2813                                 }
2814
2815                                 if ($active_feed && $id == $active_feed) {
2816                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2817                                 } else {
2818                                         $has_title_part = "";
2819                                 }
2820
2821                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2822                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2823                                 }
2824
2825                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
2826                         }
2827                 }
2828
2829                 if ($smart_mode && $fctrs_modified) {
2830                         $_SESSION["fctr_last_value"] = $old_counters;
2831                 }
2832         }
2833
2834         function get_script_dt_add() {
2835                 if (strpos(VERSION, ".99") === false) {
2836                         return VERSION;
2837                 } else {
2838                         return time();
2839                 }
2840         }
2841
2842         function get_pgsql_version($link) {
2843                 $result = db_query($link, "SELECT version() AS version");
2844                 $version = split(" ", db_fetch_result($result, 0, "version"));
2845                 return $version[1];
2846         }
2847
2848         function print_error_xml($code, $add_msg = "") {
2849                 global $ERRORS;
2850
2851                 $error_msg = $ERRORS[$code];
2852
2853                 if ($add_msg) {
2854                         $error_msg = "$error_msg; $add_msg";
2855                 }
2856
2857                 print "<rpc-reply>";
2858                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2859                 print "</rpc-reply>";
2860         }
2861
2862         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2863                         $auth_login = '', $auth_pass = '') {
2864
2865                 # check for feed:http://url
2866                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2867
2868                 # check for feed://URL
2869                 if (strpos($feed_link, "//") === 0) {
2870                         $feed_link = "http:$feed_link";
2871                 }
2872
2873                 if ($feed_link == "") return;
2874
2875                 if ($cat_id == "0" || !$cat_id) {
2876                         $cat_qpart = "NULL";
2877                 } else {
2878                         $cat_qpart = "'$cat_id'";
2879                 }
2880
2881                 $result = db_query($link,
2882                         "SELECT id FROM ttrss_feeds
2883                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2884
2885                 if (db_num_rows($result) == 0) {
2886
2887                         $result = db_query($link,
2888                                 "INSERT INTO ttrss_feeds
2889                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2890                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2891                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2892
2893                         $result = db_query($link,
2894                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2895                                         AND owner_uid = " . $_SESSION["uid"]);
2896
2897                         $feed_id = db_fetch_result($result, 0, "id");
2898
2899                         if ($feed_id) {
2900                                 update_rss_feed($link, $feed_link, $feed_id, true);
2901                         }
2902
2903                         return true;
2904                 } else {
2905                         return false;
2906                 }
2907         }
2908
2909         function print_feed_select($link, $id, $default_id = "",
2910                 $attributes = "", $include_all_feeds = true) {
2911
2912                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2913                 if ($include_all_feeds) {
2914                         print "<option value=\"0\">".__('All feeds')."</option>";
2915                 }
2916
2917                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2918                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2919
2920                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2921                         print "<option disabled>--------</option>";
2922                 }
2923
2924                 while ($line = db_fetch_assoc($result)) {
2925                         if ($line["id"] == $default_id) {
2926                                 $is_selected = "selected";
2927                         } else {
2928                                 $is_selected = "";
2929                         }
2930                         printf("<option $is_selected value='%d'>%s</option>",
2931                                 $line["id"], htmlspecialchars($line["title"]));
2932                 }
2933
2934                 print "</select>";
2935         }
2936
2937         function print_feed_cat_select($link, $id, $default_id = "",
2938                 $attributes = "", $include_all_cats = true) {
2939
2940                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2941
2942                 if ($include_all_cats) {
2943                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2944                 }
2945
2946                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2947                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2948
2949                 if (db_num_rows($result) > 0 && $include_all_cats) {
2950                         print "<option disabled>--------</option>";
2951                 }
2952
2953                 while ($line = db_fetch_assoc($result)) {
2954                         if ($line["id"] == $default_id) {
2955                                 $is_selected = "selected";
2956                         } else {
2957                                 $is_selected = "";
2958                         }
2959                         printf("<option $is_selected value='%d'>%s</option>",
2960                                 $line["id"], htmlspecialchars($line["title"]));
2961                 }
2962
2963                 print "</select>";
2964         }
2965
2966         function checkbox_to_sql_bool($val) {
2967                 return ($val == "on") ? "true" : "false";
2968         }
2969
2970         function getFeedCatTitle($link, $id) {
2971                 if ($id == -1) {
2972                         return __("Special");
2973                 } else if ($id < -10) {
2974                         return __("Labels");
2975                 } else if ($id > 0) {
2976                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2977                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2978                                         cat_id = ttrss_feed_categories.id");
2979                         if (db_num_rows($result) == 1) {
2980                                 return db_fetch_result($result, 0, "title");
2981                         } else {
2982                                 return __("Uncategorized");
2983                         }
2984                 } else {
2985                         return "getFeedCatTitle($id) failed";
2986                 }
2987
2988         }
2989
2990         function getFeedTitle($link, $id) {
2991                 if ($id == -1) {
2992                         return __("Starred articles");
2993                 } else if ($id == -2) {
2994                         return __("Published articles");
2995                 } else if ($id == -3) {
2996                         return __("Fresh articles");
2997                 } else if ($id < -10) {
2998                         $label_id = -$id - 11;
2999                         $result = db_query($link, "SELECT description FROM ttrss_labels WHERE id = '$label_id'");
3000                         if (db_num_rows($result) == 1) {
3001                                 return db_fetch_result($result, 0, "description");
3002                         } else {
3003                                 return "Unknown label ($label_id)";
3004                         }
3005
3006                 } else if ($id > 0) {
3007                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3008                         if (db_num_rows($result) == 1) {
3009                                 return db_fetch_result($result, 0, "title");
3010                         } else {
3011                                 return "Unknown feed ($id)";
3012                         }
3013                 } else {
3014                         return "getFeedTitle($id) failed";
3015                 }
3016
3017         }
3018
3019         function get_session_cookie_name() {
3020                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3021         }
3022
3023         function print_init_params($link) {
3024                 print "<init-params>";
3025                 if ($_SESSION["stored-params"]) {
3026                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
3027                                 if ($key) {
3028                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
3029                                         print "<param key=\"$key\" value=\"$value\"/>";
3030                                 }
3031                         }
3032                 }
3033
3034                 print "<param key=\"theme\" value=\"".$_SESSION["theme"]."\"/>";
3035                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
3036                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
3037                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
3038
3039                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
3040                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
3041
3042                 print "<param key=\"hide_read_feeds\" value=\"" .
3043                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
3044
3045                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
3046                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
3047
3048                 print "<param key=\"confirm_feed_catchup\" value=\"" .
3049                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
3050
3051                 print "<param key=\"cdm_auto_catchup\" value=\"" .
3052                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
3053
3054                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
3055
3056                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
3057
3058                 print "<param key=\"default_view_mode\" value=\"" .
3059                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
3060
3061                 print "<param key=\"default_view_limit\" value=\"" .
3062                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
3063
3064                 print "<param key=\"default_view_order_by\" value=\"" .
3065                         get_pref($link, "_DEFAULT_VIEW_ORDER_BY") . "\"/>";
3066
3067                 print "<param key=\"prefs_active_tab\" value=\"" .
3068                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
3069
3070                 print "<param key=\"infobox_disable_overlay\" value=\"" .
3071                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
3072
3073                 print "<param key=\"icons_location\" value=\"" .
3074                         ICONS_URL . "\"/>";
3075
3076                 print "<param key=\"hide_read_shows_special\" value=\"" .
3077                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
3078
3079                 print "<param key=\"hide_feedlist\" value=\"" .
3080                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
3081
3082                 print "<param key=\"bw_limit\" value=\"".
3083                         (int) $_SESSION["bw_limit"]."\"/>";
3084
3085                 print "<param key=\"sync_counters\" value=\"" .
3086                         (int) get_pref($link, "SYNC_COUNTERS") . "\"/>";
3087
3088                 print "</init-params>";
3089         }
3090
3091         function print_runtime_info($link) {
3092                 print "<runtime-info>";
3093
3094                 if (ENABLE_UPDATE_DAEMON) {
3095                         print "<param key=\"daemon_is_running\" value=\"".
3096                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
3097
3098                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3099
3100                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3101
3102 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3103
3104                                 if ($stamp) {
3105                                         $stamp_delta = time() - $stamp;
3106
3107                                         if ($stamp_delta > 1800) {
3108                                                 $stamp_check = 0;
3109                                         } else {
3110                                                 $stamp_check = 1;
3111                                                 $_SESSION["daemon_stamp_check"] = time();
3112                                         }
3113
3114                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3115
3116                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3117
3118                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3119                                 }
3120                         }
3121                 }
3122
3123                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3124
3125                         if ($_SESSION["last_version_check"] + 86400 < time()) {
3126                                 $new_version_details = check_for_update($link);
3127
3128                                 print "<param key=\"new_version_available\" value=\"".
3129                                         sprintf("%d", $new_version_details != ""). "\"/>";
3130
3131                                 $_SESSION["last_version_check"] = time();
3132                         }
3133                 }
3134
3135 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3136
3137                 print "</runtime-info>";
3138         }
3139
3140         function getSearchSql($search, $match_on) {
3141
3142                 $search_query_part = "";
3143
3144                 $keywords = split(" ", $search);
3145                 $query_keywords = array();
3146
3147                 if ($match_on == "both") {
3148
3149                         foreach ($keywords as $k) {
3150                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
3151                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3152                         }
3153
3154                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3155
3156                 } else if ($match_on == "title") {
3157
3158                         foreach ($keywords as $k) {
3159                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
3160                         }
3161
3162                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3163
3164                 } else if ($match_on == "content") {
3165
3166                         foreach ($keywords as $k) {
3167                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3168                         }
3169                 }
3170
3171                 $search_query_part = implode("AND", $query_keywords);
3172
3173                 return $search_query_part;
3174         }
3175
3176         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3177
3178                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3179
3180                         if ($search) {
3181
3182                                 $search_query_part = getSearchSql($search, $match_on);
3183                                 $search_query_part .= " AND ";
3184
3185                         } else {
3186                                 $search_query_part = "";
3187                         }
3188
3189                         $view_query_part = "";
3190
3191                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3192                                 if ($search) {
3193                                         $view_query_part = " ";
3194                                 } else if ($feed != -1) {
3195                                         $unread = getFeedUnread($link, $feed, $cat_view);
3196                                         if ($unread > 0) {
3197                                                 $view_query_part = " unread = true AND ";
3198                                         }
3199                                 }
3200                         }
3201
3202                         if ($view_mode == "marked") {
3203                                 $view_query_part = " marked = true AND ";
3204                         }
3205
3206                         if ($view_mode == "unread") {
3207                                 $view_query_part = " unread = true AND ";
3208                         }
3209
3210                         if ($limit > 0) {
3211                                 $limit_query_part = "LIMIT " . $limit;
3212                         }
3213
3214                         $vfeed_query_part = "";
3215
3216                         // override query strategy and enable feed display when searching globally
3217                         if ($search && $search_mode == "all_feeds") {
3218                                 $query_strategy_part = "ttrss_entries.id > 0";
3219                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3220                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3221                                 $query_strategy_part = "ttrss_entries.id > 0";
3222                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3223                                         id = feed_id) as feed_title,";
3224                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
3225
3226                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3227
3228                                 $tmp_result = false;
3229
3230                                 if ($cat_view) {
3231                                         $tmp_result = db_query($link, "SELECT id
3232                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3233                                 } else {
3234                                         $tmp_result = db_query($link, "SELECT id
3235                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3236                                                         WHERE id = '$feed') AND id != '$feed'");
3237                                 }
3238
3239                                 $cat_siblings = array();
3240
3241                                 if (db_num_rows($tmp_result) > 0) {
3242                                         while ($p = db_fetch_assoc($tmp_result)) {
3243                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3244                                         }
3245
3246                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3247                                                 $feed, implode(" OR ", $cat_siblings));
3248
3249                                 } else {
3250                                         $query_strategy_part = "ttrss_entries.id > 0";
3251                                 }
3252
3253                         } else if ($feed >= 0) {
3254
3255                                 if ($cat_view) {
3256
3257                                         if ($feed > 0) {
3258                                                 $query_strategy_part = "cat_id = '$feed'";
3259                                         } else {
3260                                                 $query_strategy_part = "cat_id IS NULL";
3261                                         }
3262
3263                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3264
3265                                 } else {
3266                                         $tmp_result = db_query($link, "SELECT id
3267                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3268                                                 ORDER BY cat_id,title");
3269
3270                                         $parent_ids = array();
3271
3272                                         if (db_num_rows($tmp_result) > 0) {
3273                                                 while ($p = db_fetch_assoc($tmp_result)) {
3274                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3275                                                 }
3276
3277                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3278                                                         $feed, implode(" OR ", $parent_ids));
3279
3280                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3281                                         } else {
3282                                                 $query_strategy_part = "feed_id = '$feed'";
3283                                         }
3284                                 }
3285                         } else if ($feed == -1) { // starred virtual feed
3286                                 $query_strategy_part = "marked = true";
3287                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3288                         } else if ($feed == -2) { // published virtual feed
3289                                 $query_strategy_part = "published = true";
3290                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3291                         } else if ($feed == -3) { // fresh virtual feed
3292                                 $query_strategy_part = "unread = true";
3293
3294                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3295
3296                                 if (DB_TYPE == "pgsql") {
3297                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3298                                 } else {
3299                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3300                                 }
3301
3302                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3303                         } else if ($feed <= -10) { // labels
3304                                 $label_id = -$feed - 11;
3305
3306                                 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
3307                                         WHERE id = '$label_id'");
3308
3309                                 $query_strategy_part = "(" . db_fetch_result($tmp_result, 0, "sql_exp") . ")";
3310
3311                                 if (!$query_strategy_part) {
3312                                         return false;
3313                                 }
3314
3315                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3316                         } else {
3317                                 $query_strategy_part = "id > 0"; // dumb
3318                         }
3319
3320                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3321                                 $order_by = "updated";
3322                         } else {
3323                                 $order_by = "updated DESC";
3324                         }
3325
3326                         if ($view_mode != "noscores") {
3327                                 $order_by = "score DESC, $order_by";
3328                         }
3329
3330                         if ($override_order) {
3331                                 $order_by = $override_order;
3332                         }
3333
3334                         $feed_title = "";
3335
3336                         if ($search && $search_mode == "all_feeds") {
3337                                 $feed_title = __("Search results")." ($search)";
3338                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3339                                 $feed_title = __("Search results")." ($search, $feed)";
3340                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3341                                 $feed_title = $feed;
3342                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
3343
3344                                 if ($cat_view) {
3345
3346                                         if ($feed != 0) {
3347                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
3348                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
3349                                                 $feed_title = db_fetch_result($result, 0, "title");
3350                                         } else {
3351                                                 $feed_title = __("Uncategorized");
3352                                         }
3353
3354                                         if ($search) {
3355                                                 $feed_title = __("Searched for")." $search ($feed_title)";
3356                                         }
3357
3358                                 } else {
3359
3360                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
3361                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
3362
3363                                         $feed_title = db_fetch_result($result, 0, "title");
3364                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
3365                                         $last_error = db_fetch_result($result, 0, "last_error");
3366
3367                                         if ($search) {
3368                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
3369                                         }
3370                                 }
3371
3372                         } else if ($feed == -1) {
3373                                 $feed_title = __("Starred articles");
3374                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3375                         } else if ($feed == -2) {
3376                                 $feed_title = __("Published articles");
3377                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3378                         } else if ($feed == -3) {
3379                                 $feed_title = __("Fresh articles");
3380                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3381                         } else if ($feed < -10) {
3382                                 $label_id = -$feed - 11;
3383                                 $result = db_query($link, "SELECT description FROM ttrss_labels
3384                                         WHERE id = '$label_id'");
3385                                 $feed_title = db_fetch_result($result, 0, "description");
3386
3387                                 if ($search) {
3388                                         $feed_title = __("Searched for") . " $search ($feed_title)";
3389                                 }
3390                         } else {
3391                                 $feed_title = "?";
3392                         }
3393
3394                         if ($feed < -10) error_reporting (0);
3395
3396                         $content_query_part = "content as content_preview,";
3397
3398                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3399
3400                                 if ($feed >= 0) {
3401                                         $feed_kind = "Feeds";
3402                                 } else {
3403                                         $feed_kind = "Labels";
3404                                 }
3405
3406                                 if ($limit_query_part) {
3407                                         $offset_query_part = "OFFSET $offset";
3408                                 }
3409
3410                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3411                                         if (!$override_order) {
3412                                                 $order_by = "ttrss_feeds.title, $order_by";
3413                                         }
3414
3415                                         // Special output for Fresh feed
3416
3417 /*                                      if ($feed == -3) {
3418                                                 $group_limit_part = "(select count(*) from
3419                                                         ttrss_user_entries AS t1, ttrss_entries AS t2 where
3420                                                                 t1.ref_id = t2.id and t1.owner_uid = 2 and
3421                                                                 t1.feed_id = ttrss_user_entries.feed_id and
3422                                                                 t2.updated > ttrss_entries.updated) <= 5 AND";
3423 } */
3424                                 }
3425
3426                                 $query = "SELECT
3427                                                 guid,
3428                                                 ttrss_entries.id,ttrss_entries.title,
3429                                                 updated,
3430                                                 unread,feed_id,marked,published,link,last_read,
3431                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3432                                                 $vfeed_query_part
3433                                                 $content_query_part
3434                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3435                                                 author,score
3436                                         FROM
3437                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds
3438                                         WHERE
3439                                         $group_limit_part
3440                                         ttrss_feeds.hidden = false AND
3441                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
3442                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3443                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3444                                         $search_query_part
3445                                         $view_query_part
3446                                         $query_strategy_part ORDER BY $order_by
3447                                         $limit_query_part $offset_query_part";
3448
3449                                 if ($_GET["debug"]) print $query;
3450
3451                                 $result = db_query($link, $query);
3452
3453                         } else {
3454                                 // browsing by tag
3455
3456                                 $feed_kind = "Tags";
3457
3458                                 $result = db_query($link, "SELECT
3459                                         guid,
3460                                         ttrss_entries.id as id,title,
3461                                         updated,
3462                                         unread,feed_id,
3463                                         marked,link,last_read,
3464                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3465                                         $vfeed_query_part
3466                                         $content_query_part
3467                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3468                                         score
3469                                         FROM
3470                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3471                                         WHERE
3472                                                 ref_id = ttrss_entries.id AND
3473                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3474                                                 post_int_id = int_id AND tag_name = '$feed' AND
3475                                                 $view_query_part
3476                                                 $search_query_part
3477                                                 $query_strategy_part ORDER BY $order_by
3478                                         $limit_query_part");
3479                         }
3480
3481                         return array($result, $feed_title, $feed_site_url, $last_error);
3482
3483         }
3484
3485         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3486                 $limit, $search, $search_mode, $match_on) {
3487
3488                 if (!$limit) $limit = 30;
3489
3490                 $qfh_ret = queryFeedHeadlines($link, $feed,
3491                         $limit, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3492                         $owner_uid);
3493
3494                 $result = $qfh_ret[0];
3495                 $feed_title = htmlspecialchars($qfh_ret[1]);
3496                 $feed_site_url = $qfh_ret[2];
3497                 $last_error = $qfh_ret[3];
3498
3499 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3500
3501                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3502                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3503                         <rss version=\"2.0\">
3504                         <channel>
3505                         <title>$feed_title</title>
3506                         <link>$feed_site_url</link>
3507                         <description>Feed generated by Tiny Tiny RSS</description>";
3508
3509                 while ($line = db_fetch_assoc($result)) {
3510                         print "<item>";
3511                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3512                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3513
3514                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3515
3516                         foreach ($tags as $tag) {
3517                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3518                         }
3519
3520                         $rfc822_date = date('r', strtotime($line["updated"]));
3521
3522                         print "<pubDate>$rfc822_date</pubDate>";
3523
3524                         print "<title>" .
3525                                 htmlspecialchars($line["title"]) . "</title>";
3526
3527                         print "<description><![CDATA[" .
3528                                 $line["content_preview"] . "]]></description>";
3529
3530                         print "</item>";
3531                 }
3532
3533                 print "</channel></rss>";
3534
3535         }
3536
3537         function getCategoryTitle($link, $cat_id) {
3538
3539                 if ($cat_id == -1) {
3540                         return __("Special");
3541                 } else if ($cat_id == -2) {
3542                         return __("Labels");
3543                 } else {
3544
3545                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3546                                 id = '$cat_id'");
3547
3548                         if (db_num_rows($result) == 1) {
3549                                 return db_fetch_result($result, 0, "title");
3550                         } else {
3551                                 return "Uncategorized";
3552                         }
3553                 }
3554         }
3555
3556         // http://ru2.php.net/strip-tags
3557
3558         function strip_tags_long($textstring, $allowed){
3559         while($textstring != strip_tags($textstring, $allowed))
3560     {
3561     while (strlen($textstring) != 0)
3562          {
3563          if (strlen($textstring) > 1024) {
3564               $otherlen = 1024;
3565          } else {
3566               $otherlen = strlen($textstring);
3567          }
3568          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3569          $safetext .= $temptext;
3570          $textstring = substr_replace($textstring,'',0,$otherlen);
3571          }
3572     $textstring = $safetext;
3573     }
3574         return $textstring;
3575         }
3576
3577
3578         function sanitize_rss($link, $str, $force_strip_tags = false) {
3579                 $res = $str;
3580
3581                 if (get_pref($link, "STRIP_UNSAFE_TAGS") || $force_strip_tags) {
3582
3583                         $res = strip_tags_long($res,
3584                                 "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3585
3586 //                      $res = preg_replace("/\r\n|\n|\r/", "", $res);
3587 //                      $res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");
3588                 }
3589
3590                 if (get_pref($link, "STRIP_IMAGES")) {
3591
3592                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3593
3594                 }
3595
3596                 return $res;
3597         }
3598
3599         /**
3600          * Send by mail a digest of last articles.
3601          *
3602          * @param mixed $link The database connection.
3603          * @param integer $limit The maximum number of articles by digest.
3604          * @return boolean Return false if digests are not enabled.
3605          */
3606         function send_headlines_digests($link, $limit = 100) {
3607
3608                 if (!DIGEST_ENABLE) return false;
3609
3610                 $user_limit = DIGEST_EMAIL_LIMIT;
3611                 $days = 1;
3612
3613                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3614
3615                 if (DB_TYPE == "pgsql") {
3616                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3617                 } else if (DB_TYPE == "mysql") {
3618                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3619                 }
3620
3621                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3622                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3623
3624                 while ($line = db_fetch_assoc($result)) {
3625
3626                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3627                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3628
3629                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3630
3631                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3632                                 $digest = $tuple[0];
3633                                 $headlines_count = $tuple[1];
3634                                 $affected_ids = $tuple[2];
3635                                 $digest_text = $tuple[3];
3636
3637                                 if ($headlines_count > 0) {
3638
3639                                         $mail = new PHPMailer();
3640
3641                                         $mail->PluginDir = "phpmailer/";
3642                                         $mail->SetLanguage("en", "phpmailer/language/");
3643
3644                                         $mail->CharSet = "UTF-8";
3645
3646                                         $mail->From = DIGEST_FROM_ADDRESS;
3647                                         $mail->FromName = DIGEST_FROM_NAME;
3648                                         $mail->AddAddress($line["email"], $line["login"]);
3649
3650                                         if (DIGEST_SMTP_HOST) {
3651                                                 $mail->Host = DIGEST_SMTP_HOST;
3652                                                 $mail->Mailer = "smtp";
3653                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3654                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3655                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3656                                         }
3657
3658                                         $mail->IsHTML(true);
3659                                         $mail->Subject = DIGEST_SUBJECT;
3660                                         $mail->Body = $digest;
3661                                         $mail->AltBody = $digest_text;
3662
3663                                         $rc = $mail->Send();
3664
3665                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3666
3667                                         print "RC=$rc\n";
3668
3669                                         if ($rc && $do_catchup) {
3670                                                 print "Marking affected articles as read...\n";
3671                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3672                                         }
3673
3674                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3675                                                         WHERE id = " . $line["id"]);
3676                                 } else {
3677                                         print "No headlines\n";
3678                                 }
3679                         }
3680                 }
3681
3682                 print "All done.\n";
3683
3684         }
3685
3686         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3687
3688                 require_once "MiniTemplator.class.php";
3689
3690                 $tpl = new MiniTemplator;
3691                 $tpl_t = new MiniTemplator;
3692
3693                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3694                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3695
3696                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3697                 $tpl->setVariable('CUR_TIME', date('G:i'));
3698
3699                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3700                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3701
3702                 $affected_ids = array();
3703
3704                 if (DB_TYPE == "pgsql") {
3705                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3706                 } else if (DB_TYPE == "mysql") {
3707                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3708                 }
3709
3710                 $result = db_query($link, "SELECT ttrss_entries.title,
3711                                 ttrss_feeds.title AS feed_title,
3712                                 date_entered,
3713                                 ttrss_user_entries.ref_id,
3714                                 link,
3715                                 SUBSTRING(content, 1, 120) AS excerpt,
3716                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3717                         FROM
3718                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3719                         WHERE
3720                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3721                                 AND include_in_digest = true
3722                                 AND $interval_query
3723                                 AND hidden = false
3724                                 AND ttrss_user_entries.owner_uid = $user_id
3725                                 AND unread = true
3726                         ORDER BY ttrss_feeds.title, date_entered DESC
3727                         LIMIT $limit");
3728
3729                 $cur_feed_title = "";
3730
3731                 $headlines_count = db_num_rows($result);
3732
3733                 $headlines = array();
3734
3735                 while ($line = db_fetch_assoc($result)) {
3736                         array_push($headlines, $line);
3737                 }
3738
3739                 for ($i = 0; $i < sizeof($headlines); $i++) {
3740
3741                         $line = $headlines[$i];
3742
3743                         array_push($affected_ids, $line["ref_id"]);
3744
3745                         $updated = smart_date_time(strtotime($line["last_updated"]));
3746
3747                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3748                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3749                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3750                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3751                         $tpl->setVariable('ARTICLE_EXCERPT',
3752                                 truncate_string(strip_tags($line["excerpt"]), 100));
3753
3754                         $tpl->addBlock('article');
3755
3756                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3757                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3758                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3759                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3760 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3761 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3762
3763                         $tpl_t->addBlock('article');
3764
3765                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3766                                 $tpl->addBlock('feed');
3767                                 $tpl_t->addBlock('feed');
3768                         }
3769
3770                 }
3771
3772                 $tpl->addBlock('digest');
3773                 $tpl->generateOutputToString($tmp);
3774
3775                 $tpl_t->addBlock('digest');
3776                 $tpl_t->generateOutputToString($tmp_t);
3777
3778                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3779         }
3780
3781         function check_for_update($link, $brief_fmt = true) {
3782                 $releases_feed = "http://tt-rss.spb.ru/releases.rss";
3783
3784                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3785                         return;
3786                 }
3787
3788                 error_reporting(0);
3789                 if (ENABLE_SIMPLEPIE) {
3790                         $rss = new SimplePie();
3791                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3792 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3793                         $rss->set_feed_url($fetch_url);
3794                         $rss->set_output_encoding('UTF-8');
3795                         $rss->init();
3796                 } else {
3797                         $rss = fetch_rss($releases_feed);
3798                 }
3799                 error_reporting (DEFAULT_ERROR_LEVEL);
3800
3801                 if ($rss) {
3802
3803                         if (ENABLE_SIMPLEPIE) {
3804                                 $items = $rss->get_items();
3805                         } else {
3806                                 $items = $rss->items;
3807
3808                                 if (!$items || !is_array($items)) $items = $rss->entries;
3809                                 if (!$items || !is_array($items)) $items = $rss;
3810                         }
3811
3812                         if (!is_array($items) || count($items) == 0) {
3813                                 return;
3814                         }
3815
3816                         $latest_item = $items[0];
3817
3818                         if (ENABLE_SIMPLEPIE) {
3819                                 $last_title = $latest_item->get_title();
3820                         } else {
3821                                 $last_title = $latest_item["title"];
3822                         }
3823
3824                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3825
3826                         if (ENABLE_SIMPLEPIE) {
3827                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3828                                 $content = sanitize_rss($link, $latest_item->get_description());
3829                         } else {
3830                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3831                                 $content = sanitize_rss($link, $latest_item["description"]);
3832                         }
3833
3834                         if (version_compare(VERSION, $latest_version) == -1) {
3835                                 if ($brief_fmt) {
3836                                         return format_notice("<a href=\"javascript:showBlockElement('milestoneDetails')\">
3837                                                 New version of Tiny-Tiny RSS ($latest_version) is available (click for details)</a>
3838                                                 <div id=\"milestoneDetails\">$content</div>");
3839                                 } else {
3840                                         return "New version of Tiny-Tiny RSS ($latest_version) is available:
3841                                                 <div class='milestoneDetails'>$content</div>
3842                                                 Visit <a target=\"_blank\" href=\"http://tt-rss.spb.ru/\">official site</a> for
3843                                                 download and update information.";
3844                                 }
3845
3846                         }
3847                 }
3848         }
3849
3850         function markArticlesById($link, $ids, $cmode) {
3851
3852                 $tmp_ids = array();
3853
3854                 foreach ($ids as $id) {
3855                         array_push($tmp_ids, "ref_id = '$id'");
3856                 }
3857
3858                 $ids_qpart = join(" OR ", $tmp_ids);
3859
3860                 if ($cmode == 0) {
3861                         db_query($link, "UPDATE ttrss_user_entries SET
3862                         marked = false,last_read = NOW()
3863                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3864                 } else if ($cmode == 1) {
3865                         db_query($link, "UPDATE ttrss_user_entries SET
3866                         marked = true
3867                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3868                 } else {
3869                         db_query($link, "UPDATE ttrss_user_entries SET
3870                         marked = NOT marked,last_read = NOW()
3871                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3872                 }
3873         }
3874
3875         function publishArticlesById($link, $ids, $cmode) {
3876
3877                 $tmp_ids = array();
3878
3879                 foreach ($ids as $id) {
3880                         array_push($tmp_ids, "ref_id = '$id'");
3881                 }
3882
3883                 $ids_qpart = join(" OR ", $tmp_ids);
3884
3885                 if ($cmode == 0) {
3886                         db_query($link, "UPDATE ttrss_user_entries SET
3887                         published = false,last_read = NOW()
3888                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3889                 } else if ($cmode == 1) {
3890                         db_query($link, "UPDATE ttrss_user_entries SET
3891                         published = true
3892                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3893                 } else {
3894                         db_query($link, "UPDATE ttrss_user_entries SET
3895                         published = NOT published,last_read = NOW()
3896                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3897                 }
3898         }
3899
3900         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3901
3902                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3903
3904                 $tmp_ids = array();
3905
3906                 foreach ($ids as $id) {
3907                         array_push($tmp_ids, "ref_id = '$id'");
3908                 }
3909
3910                 $ids_qpart = join(" OR ", $tmp_ids);
3911
3912                 if ($cmode == 0) {
3913                         db_query($link, "UPDATE ttrss_user_entries SET
3914                         unread = false,last_read = NOW()
3915                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3916                 } else if ($cmode == 1) {
3917                         db_query($link, "UPDATE ttrss_user_entries SET
3918                         unread = true
3919                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3920                 } else {
3921                         db_query($link, "UPDATE ttrss_user_entries SET
3922                         unread = NOT unread,last_read = NOW()
3923                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3924                 }
3925         }
3926
3927         function catchupArticleById($link, $id, $cmode) {
3928
3929                 if ($cmode == 0) {
3930                         db_query($link, "UPDATE ttrss_user_entries SET
3931                         unread = false,last_read = NOW()
3932                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3933                 } else if ($cmode == 1) {
3934                         db_query($link, "UPDATE ttrss_user_entries SET
3935                         unread = true
3936                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3937                 } else {
3938                         db_query($link, "UPDATE ttrss_user_entries SET
3939                         unread = NOT unread,last_read = NOW()
3940                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3941                 }
3942         }
3943
3944         function make_guid_from_title($title) {
3945                 return preg_replace("/[ \"\',.:;]/", "-",
3946                         mb_strtolower(strip_tags($title), 'utf-8'));
3947         }
3948
3949         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
3950                         $bottom = false, $rtl_content = false, $feed_id = 0,
3951                         $is_cat = false, $search = false, $match_on = false,
3952                         $search_mode = false, $offset = 0, $limit = 0,
3953                         $dashboard_menu = 0, $disable_feed = 0, $feed_small_icon = 0) {
3954
3955                         $user_page_offset = $offset + 1;
3956
3957                         if (!$bottom) {
3958                                 $class = "headlinesSubToolbar";
3959                                 $tid = "headlineActionsTop";
3960                         } else {
3961                                 $class = "headlinesSubToolbar";
3962                                 $tid = "headlineActionsBottom";
3963                         }
3964
3965                         print "<nobr><table class=\"$class\" id=\"$tid\"
3966                                 width=\"100%\" cellspacing=\"0\" cellpadding=\"0\"><tr>";
3967
3968                         if ($rtl_content) {
3969                                 $rtl_cpart = "RTL";
3970                         } else {
3971                                 $rtl_cpart = "";
3972                         }
3973
3974                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
3975                         $page_next_link = "javascript:viewFeedGoPage(1)";
3976                         $page_first_link = "javascript:viewFeedGoPage(0)";
3977
3978                         $catchup_page_link = "javascript:catchupPage()";
3979                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
3980                         $catchup_sel_link = "javascript:catchupSelection()";
3981
3982                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3983
3984                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
3985                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
3986                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
3987                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
3988
3989                                 $tog_unread_link = "javascript:selectionToggleUnread()";
3990                                 $tog_marked_link = "javascript:selectionToggleMarked()";
3991                                 $tog_published_link = "javascript:selectionTogglePublished()";
3992
3993                         } else {
3994
3995                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
3996                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
3997                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
3998
3999                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4000
4001                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
4002                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
4003                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
4004
4005                         }
4006
4007                         if (!$dashboard_menu) {
4008
4009                                 if (strpos($_SESSION["client.userAgent"], "MSIE") === false) {
4010
4011                                         print "<td class=\"headlineActions$rtl_cpart\">
4012                                                 <ul class=\"headlineDropdownMenu\">
4013                                                 <li class=\"top2\">
4014                                                 ".__('Select:')."
4015                                                         <a href=\"$sel_all_link\">".__('All')."</a>,
4016                                                         <a href=\"$sel_unread_link\">".__('Unread')."</a>,
4017                                                         <a href=\"$sel_inv_link\">".__('Invert')."</a>,
4018                                                         <a href=\"$sel_none_link\">".__('None')."</a></li>
4019                                                 <li class=\"vsep\">&nbsp;</li>
4020                                                 <li class=\"top\">".__('Actions...')."<ul>
4021                                                         <li><span class=\"insensitive\">".__('Selection toggle:')."</span></li>
4022                                                         <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4023                                                         <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4024                                                         <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4025                                                         <li><span class=\"insensitive\">--------</span></li>
4026                                                         <li><span class=\"insensitive\">".__('Mark as read:')."</span></li>
4027                                                         <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Selection')."</li>";
4028
4029 /*                              if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4030
4031                                         print "
4032                                                 <li onclick=\"catchupRelativeToArticle(0)\">&nbsp;&nbsp;".__("Above active article")."</li>
4033                                                 <li onclick=\"catchupRelativeToArticle(1)\">&nbsp;&nbsp;".__("Below active article")."</li>";
4034                                 } else {
4035                                         print "
4036                                                 <li><span class=\"insensitive\">&nbsp;&nbsp;".__("Above active article")."</span></li>
4037                                                 <li><span class=\"insensitive\">&nbsp;&nbsp;".__("Below active article")."</span></li>";
4038
4039                                 } */
4040
4041                                 print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed')."</li>";
4042
4043                                 print "<li><span class=\"insensitive\">--------</span></li>";
4044                                 print "<li><span class=\"insensitive\">".__('Other actions:')."</span></li>";
4045
4046
4047                                 if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
4048                                         print "
4049                                                 <li onclick=\"javascript:labelFromSearch('$search', '$search_mode',
4050                                                         '$match_on', '$feed_id', '$is_cat');\">&nbsp;&nbsp;
4051                                                         ".__('Search to label')."</li>";
4052                                 } else {
4053                                         print "<li><span class=\"insensitive\">&nbsp;&nbsp;".__('Search to label')."</li>";
4054
4055                                 }
4056
4057                                 print   "</ul></li></ul>";
4058                                 print "</td>";
4059
4060                                 } else {
4061                                         // old style subtoolbar:
4062
4063                                         print "<td class=\"headlineActions$rtl_cpart\">".
4064                                                 __('Select:')."
4065                                                                         <a href=\"$sel_all_link\">".__('All')."</a>,
4066                                                                         <a href=\"$sel_unread_link\">".__('Unread')."</a>,
4067                                                                         <a href=\"$sel_none_link\">".__('None')."</a>
4068                                                         &nbsp;&nbsp;".
4069                                                         __('Toggle:')." <a href=\"$tog_unread_link\">".__('Unread')."</a>,
4070                                                                 <a href=\"$tog_marked_link\">".__('Starred')."</a>
4071                                                         &nbsp;&nbsp;".
4072                                                         __('Mark as read:')."
4073                                                                 <a href=\"#\" onclick=\"$catchup_page_link\">".__('Page')."</a>,
4074                                                                 <a href=\"#\" onclick=\"$catchup_feed_link\">".__('Feed')."</a>";
4075
4076                                         if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
4077
4078                                                 print "&nbsp;&nbsp;
4079                                                                 <a href=\"javascript:labelFromSearch('$search', '$search_mode',
4080                                                                         '$match_on', '$feed_id', '$is_cat');\">
4081                                                                 ".__('Convert to label')."</a>";
4082                                         }
4083
4084                                         print "</td>";
4085
4086                                 }
4087                         } else { // dashboard menu actions
4088
4089                                 // not implemented
4090                                 print "</td>";
4091                         }
4092
4093                         print "<td class=\"headlineTitle$rtl_cpart\">";
4094
4095                         print "<span id=\"subtoolbar_search\"
4096                                 style=\"display : none\"><input
4097                                 id=\"subtoolbar_search_box\"
4098                                 onblur=\"javascript:enableHotkeys();\"
4099                                 onfocus=\"javascript:disableHotkeys();\"
4100                                 onchange=\"subtoolbarSearch()\"
4101                                 onkeyup=\"subtoolbarSearch()\" type=\"search\"></span>";
4102
4103                         print "<span id=\"subtoolbar_ftitle\">";
4104
4105                         if ($feed_site_url) {
4106                                 if (!$bottom) {
4107                                         $target = "target=\"_blank\"";
4108                                 }
4109                                 print "<a $target href=\"$feed_site_url\">".
4110                                         truncate_string($feed_title,30)."</a>";
4111                         } else {
4112                                 print $feed_title;
4113                         }
4114
4115                         if ($search) {
4116                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4117                         }
4118
4119                         if ($user_page_offset > 1) {
4120                                 print " [$user_page_offset] ";
4121                         }
4122
4123                         if (!$bottom && !$disable_feed) {
4124                                 print "
4125                                         <a target=\"_blank\"
4126                                                 href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
4127                                                 <img class=\"noborder\"
4128                                                         alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
4129                                         </a>";
4130                         } else if ($feed_small_icon) {
4131                                 print "<img class=\"noborder\" alt=\"\" src=\"images/$feed_small_icon\">";
4132                         }
4133
4134                         print "</span>";
4135
4136                         print "</td>";
4137                         print "</tr></table></nobr>";
4138
4139                 }
4140
4141         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4142
4143                         $tmp_category = getCategoryTitle($link, $cat_id);
4144                         $cat_unread = getCategoryUnread($link, $cat_id);
4145
4146                         if ($hidden) {
4147                                 $holder_style = "display:none;";
4148                                 $ellipsis = "…";
4149                         } else {
4150                                 $holder_style = "";
4151                                 $ellipsis = "";
4152                         }
4153
4154                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4155
4156                         if ($can_browse) {
4157                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4158                                 $inner_title_class = "catTitle";
4159                         } else {
4160                                 $browse_cat_link = "";
4161                                 $inner_title_class = "catTitleNL";
4162                         }
4163
4164                         if ($cat_id > 0) {
4165                                 $cat_class = "feedCat";
4166                         } else {
4167                                 $cat_class = "virtCat";
4168                         }
4169
4170                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4171                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4172                                         title=\"".__('Click to collapse category')."\"
4173                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\"
4174                                         id=\"FCATN-$cat_id\" $browse_cat_link
4175                                 \">$tmp_category</span>";
4176
4177                         print "<span id=\"FCAP-$cat_id\">";
4178
4179                         print " <span id=\"FCATCTR-$cat_id\"
4180                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4181
4182                         print "</span>";
4183
4184                         //print "</li>";
4185
4186                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4187
4188         }
4189
4190         function outputFeedList($link, $tags = false) {
4191
4192                 print "<ul class=\"feedList\" id=\"feedList\">";
4193
4194                 $owner_uid = $_SESSION["uid"];
4195
4196                 /* virtual feeds */
4197
4198                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4199
4200                         if ($_COOKIE["ttrss_vf_vclps"] == 1) {
4201                                 $cat_hidden = true;
4202                         } else {
4203                                 $cat_hidden = false;
4204                         }
4205
4206                         printCategoryHeader($link, -1, $cat_hidden, false);
4207                 }
4208
4209                 if (defined('_ENABLE_DASHBOARD')) {
4210                         printFeedEntry(-4, "virt", __("Dashboard"), 0,
4211                                 "images/tag.png", $link);
4212                 }
4213
4214                 $num_starred = getFeedUnread($link, -1);
4215                 $num_published = getFeedUnread($link, -2);
4216                 $num_fresh = getFeedUnread($link, -3);
4217
4218                 $class = "virt";
4219
4220                 if ($num_fresh > 0) $class .= "Unread";
4221
4222                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh,
4223                         "images/fresh.png", $link);
4224
4225                 $class = "virt";
4226
4227                 if ($num_starred > 0) $class .= "Unread";
4228
4229                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4230
4231                 if ($is_ie) {
4232                         $mark_img_ext = "gif";
4233                 } else {
4234                         $mark_img_ext = "png";
4235                 }
4236
4237                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
4238                         "images/mark_set.$mark_img_ext", $link);
4239
4240                 $class = "virt";
4241
4242                 if ($num_published > 0) $class .= "Unread";
4243
4244                 printFeedEntry(-2, $class, __("Published articles"), $num_published,
4245                         "images/pub_set.gif", $link);
4246
4247                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4248                         print "</ul></li>";
4249                 }
4250
4251                 if (!$tags) {
4252
4253                         if (GLOBAL_ENABLE_LABELS && get_pref($link, 'ENABLE_LABELS')) {
4254
4255                                 $result = db_query($link, "SELECT id,sql_exp,description FROM
4256                                         ttrss_labels WHERE owner_uid = '$owner_uid' ORDER by description");
4257
4258                                 if (db_num_rows($result) > 0) {
4259                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4260
4261                                                 if ($_COOKIE["ttrss_vf_lclps"] == 1) {
4262                                                         $cat_hidden = true;
4263                                                 } else {
4264                                                         $cat_hidden = false;
4265                                                 }
4266
4267                                                 printCategoryHeader($link, -2, $cat_hidden, false);
4268
4269                                         } else {
4270                                                 print "<li><hr></li>";
4271                                         }
4272                                 }
4273
4274                                 while ($line = db_fetch_assoc($result)) {
4275
4276                                         error_reporting (0);
4277
4278                                         $label_id = -$line['id'] - 11;
4279                                         $count = getFeedUnread($link, $label_id);
4280
4281                                         $class = "label";
4282
4283                                         if ($count > 0) {
4284                                                 $class .= "Unread";
4285                                         }
4286
4287                                         error_reporting (DEFAULT_ERROR_LEVEL);
4288
4289                                         printFeedEntry($label_id,
4290                                                 $class, $line["description"],
4291                                                 $count, "images/label.png", $link);
4292
4293                                 }
4294
4295                                 if (db_num_rows($result) > 0) {
4296                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4297                                                 print "</ul>";
4298                                         }
4299                                 }
4300
4301                         }
4302
4303                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4304                                 print "<li><hr></li>";
4305                         }
4306
4307                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4308                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4309                                         $order_by_qpart = "order_id,category,unread DESC,title";
4310                                 } else {
4311                                         $order_by_qpart = "order_id,category,title";
4312                                 }
4313                         } else {
4314                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4315                                         $order_by_qpart = "unread DESC,title";
4316                                 } else {
4317                                         $order_by_qpart = "title";
4318                                 }
4319                         }
4320
4321                         $age_qpart = getMaxAgeSubquery();
4322
4323                         $query = "SELECT ttrss_feeds.*,
4324                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4325                                 (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
4326                                         WHERE feed_id = ttrss_feeds.id AND unread = true
4327                                                 AND $age_qpart
4328                                                 AND ttrss_user_entries.ref_id = ttrss_entries.id
4329                                                 AND owner_uid = '$owner_uid') as unread,
4330                                 cat_id,last_error,
4331                                 ttrss_feed_categories.title AS category,
4332                                 ttrss_feed_categories.collapsed
4333                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4334                                         ON (ttrss_feed_categories.id = cat_id)
4335                                 WHERE
4336                                         ttrss_feeds.hidden = false AND
4337                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4338                                 ORDER BY $order_by_qpart";
4339
4340                         $result = db_query($link, $query);
4341
4342                         $actid = $_GET["actid"];
4343
4344                         /* real feeds */
4345
4346                         $lnum = 0;
4347
4348                         $total_unread = 0;
4349
4350                         $category = "";
4351
4352                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4353
4354                         while ($line = db_fetch_assoc($result)) {
4355
4356                                 $feed = trim($line["title"]);
4357
4358                                 if (!$feed) $feed = "[Untitled]";
4359
4360                                 $feed_id = $line["id"];
4361
4362                                 $subop = $_GET["subop"];
4363
4364                                 $unread = $line["unread"];
4365
4366                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4367                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4368                                 } else {
4369                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4370                                 }
4371
4372                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4373
4374                                 if ($rtl_content) {
4375                                         $rtl_tag = "dir=\"RTL\"";
4376                                 } else {
4377                                         $rtl_tag = "";
4378                                 }
4379
4380                                 $tmp_result = db_query($link,
4381                                         "SELECT id,COUNT(unread) AS unread
4382                                         FROM ttrss_feeds LEFT JOIN ttrss_user_entries
4383                                                 ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
4384                                         WHERE parent_feed = '$feed_id' AND unread = true
4385                                         GROUP BY ttrss_feeds.id");
4386
4387                                 if (db_num_rows($tmp_result) > 0) {
4388                                         while ($l = db_fetch_assoc($tmp_result)) {
4389                                                 $unread += $l["unread"];
4390                                         }
4391                                 }
4392
4393                                 $cat_id = $line["cat_id"];
4394
4395                                 $tmp_category = $line["category"];
4396
4397                                 if (!$tmp_category) {
4398                                         $tmp_category = __("Uncategorized");
4399                                 }
4400
4401         //                      $class = ($lnum % 2) ? "even" : "odd";
4402
4403                                 if ($line["last_error"]) {
4404                                         $class = "error";
4405                                 } else {
4406                                         $class = "feed";
4407                                 }
4408
4409                                 if ($unread > 0) $class .= "Unread";
4410
4411                                 if ($actid == $feed_id) {
4412                                         $class .= "Selected";
4413                                 }
4414
4415                                 $total_unread += $unread;
4416
4417                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4418
4419                                         if ($category) {
4420                                                 print "</ul></li>";
4421                                         }
4422
4423                                         $category = $tmp_category;
4424
4425                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4426
4427                                         // workaround for NULL category
4428                                         if ($category == __("Uncategorized")) {
4429                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
4430                                                         $collapsed = "t";
4431                                                 }
4432                                         }
4433
4434                                         $cat_id = sprintf("%d", $cat_id);
4435
4436                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4437
4438                                 }
4439
4440                                 printFeedEntry($feed_id, $class, $feed, $unread,
4441                                         ICONS_URL."/$feed_id.ico", $link, $rtl_content,
4442                                         $last_updated, $line["last_error"]);
4443
4444                                 ++$lnum;
4445                         }
4446
4447                         if (db_num_rows($result) == 0) {
4448                                 print "<li>".__('No feeds to display.')."</li>";
4449                         }
4450
4451                 } else {
4452
4453                         // tags
4454
4455 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4456                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4457                                 post_int_id = ttrss_user_entries.int_id AND
4458                                 unread = true AND ref_id = ttrss_entries.id
4459                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4460                         UNION
4461                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4462                         ORDER BY tag_name"); */
4463
4464                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4465                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4466                                 print "<ul class=\"feedCatList\">";
4467                         }
4468
4469                         $age_qpart = getMaxAgeSubquery();
4470
4471                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4472                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4473                                         AND ref_id = id AND $age_qpart
4474                                         AND unread = true)) AS count FROM ttrss_tags
4475                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4476                                         ORDER BY count DESC LIMIT 50");
4477
4478                         $tags = array();
4479
4480                         while ($line = db_fetch_assoc($result)) {
4481                                 $tags[$line["tag_name"]] += $line["count"];
4482                         }
4483
4484                         foreach (array_keys($tags) as $tag) {
4485
4486                                 $unread = $tags[$tag];
4487
4488                                 $class = "tag";
4489
4490                                 if ($unread > 0) {
4491                                         $class .= "Unread";
4492                                 }
4493
4494                                 printFeedEntry($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($link, 'ENABLE_FEED_CATS')) {
4503                                 print "</ul>";
4504                         }
4505
4506                 }
4507
4508                 print "</ul>";
4509
4510         }
4511
4512         function get_article_tags($link, $id, $owner_uid = 0) {
4513
4514                 $a_id = db_escape_string($id);
4515
4516                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4517
4518                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4519                         owner_uid as owner FROM
4520                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4521                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4522
4523                 $tags = array();
4524
4525                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4526                         array_push($tags, $tmp_line["tag_name"]);
4527                 }
4528
4529                 return $tags;
4530         }
4531
4532         function trim_value(&$value) {
4533                 $value = trim($value);
4534         }
4535
4536         function trim_array($array) {
4537                 $tmp = $array;
4538                 array_walk($tmp, 'trim_value');
4539                 return $tmp;
4540         }
4541
4542         function tag_is_valid($tag) {
4543                 if ($tag == '') return false;
4544                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4545
4546                 if (function_exists('iconv')) {
4547                         $tag = iconv("utf-8", "utf-8", $tag);
4548                 }
4549
4550                 if (!$tag) return false;
4551
4552                 return true;
4553         }
4554
4555         function render_login_form($link, $mobile = false) {
4556                 if (!$mobile) {
4557                         require_once "login_form.php";
4558                 } else {
4559                         require_once "mobile/login_form.php";
4560                 }
4561         }
4562
4563         // from http://developer.apple.com/internet/safari/faq.html
4564         function no_cache_incantation() {
4565                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4566                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4567                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4568                 header("Cache-Control: post-check=0, pre-check=0", false);
4569                 header("Pragma: no-cache"); // HTTP/1.0
4570         }
4571
4572         function format_warning($msg, $id = "") {
4573                 return "<div class=\"warning\" id=\"$id\">
4574                         <img src=\"images/sign_excl.gif\">$msg</div>";
4575         }
4576
4577         function format_notice($msg) {
4578                 return "<div class=\"notice\">
4579                         <img src=\"images/sign_info.gif\">$msg</div>";
4580         }
4581
4582         function format_error($msg) {
4583                 return "<div class=\"error\">
4584                         <img src=\"images/sign_excl.gif\">$msg</div>";
4585         }
4586
4587         function print_notice($msg) {
4588                 return print format_notice($msg);
4589         }
4590
4591         function print_warning($msg) {
4592                 return print format_warning($msg);
4593         }
4594
4595         function print_error($msg) {
4596                 return print format_error($msg);
4597         }
4598
4599
4600         function T_sprintf() {
4601                 $args = func_get_args();
4602                 return vsprintf(__(array_shift($args)), $args);
4603         }
4604
4605         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4606                 $zoom_mode = false) {
4607
4608                 /* we can figure out feed_id from article id anyway, why do we
4609                  * pass feed_id here? */
4610
4611                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4612                         WHERE ref_id = '$id'");
4613
4614                 $feed_id = db_fetch_result($result, 0, "feed_id");
4615
4616                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4617
4618                 $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4619                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4620
4621                 if (db_num_rows($result) == 1) {
4622                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4623                 } else {
4624                         $rtl_content = false;
4625                 }
4626
4627                 if ($rtl_content) {
4628                         $rtl_tag = "dir=\"RTL\"";
4629                         $rtl_class = "RTL";
4630                 } else {
4631                         $rtl_tag = "";
4632                         $rtl_class = "";
4633                 }
4634
4635                 if ($mark_as_read) {
4636                         $result = db_query($link, "UPDATE ttrss_user_entries
4637                                 SET unread = false,last_read = NOW()
4638                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4639                 }
4640
4641                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4642                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4643                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4644                         num_comments,
4645                         author
4646                         FROM ttrss_entries,ttrss_user_entries
4647                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4648
4649                 if ($result) {
4650
4651                         $link_target = "";
4652
4653                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4654                                 $link_target = "target=\"_blank\"";
4655                         }
4656
4657                         $line = db_fetch_assoc($result);
4658
4659                         if ($line["icon_url"]) {
4660                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4661                         } else {
4662                                 $feed_icon = "&nbsp;";
4663                         }
4664
4665 /*                      if ($line["comments"] && $line["link"] != $line["comments"]) {
4666                                 $entry_comments = "(<a href=\"".$line["comments"]."\">Comments</a>)";
4667                         } else {
4668                                 $entry_comments = "";
4669                         } */
4670
4671                         $num_comments = $line["num_comments"];
4672                         $entry_comments = "";
4673
4674                         if ($num_comments > 0) {
4675                                 if ($line["comments"]) {
4676                                         $comments_url = $line["comments"];
4677                                 } else {
4678                                         $comments_url = $line["link"];
4679                                 }
4680                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4681                         } else {
4682                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4683                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4684                                 }
4685                         }
4686
4687                         if ($zoom_mode) {
4688                                 header("Content-Type: text/html");
4689                                 print "<html><head>
4690                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4691                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4692                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4693                                         </head><body>";
4694                         }
4695
4696
4697                         print "<div class=\"postReply\">";
4698
4699                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\"
4700                                 onmouseout=\"enable_resize(false)\">";
4701
4702                         $entry_author = $line["author"];
4703
4704                         if ($entry_author) {
4705                                 $entry_author = __(" - ") . $entry_author;
4706                         }
4707
4708                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4709                                 strtotime($line["updated"]));
4710
4711                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4712
4713                         if ($line["link"]) {
4714                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4715                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4716                         } else {
4717                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4718                         }
4719
4720 /*                      $tmp_result = db_query($link, "SELECT DISTINCT tag_name FROM
4721                                 ttrss_tags WHERE post_int_id = " . $line["int_id"] . "
4722                                 ORDER BY tag_name"); */
4723
4724                         $tags = get_article_tags($link, $id);
4725
4726                         $tags_str = "";
4727                         $tags_nolinks_str = "";
4728                         $f_tags_str = "";
4729
4730                         $num_tags = 0;
4731
4732                         if ($_SESSION["theme"] == "3pane") {
4733                                 $tag_limit = 3;
4734                         } else {
4735                                 $tag_limit = 6;
4736                         }
4737
4738                         foreach ($tags as $tag) {
4739                                 $num_tags++;
4740                                 $tag_escaped = str_replace("'", "\\'", $tag);
4741
4742                                 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>, ";
4743
4744                                 if ($num_tags == $tag_limit) {
4745                                         $tags_str .= "&hellip;";
4746                                         $tags_nolinks_str .= "&hellip;";
4747
4748                                 } else if ($num_tags < $tag_limit) {
4749                                         $tags_str .= $tag_str;
4750                                         $tags_nolinks_str .= "$tag, ";
4751                                 }
4752                                 $f_tags_str .= $tag_str;
4753                         }
4754
4755                         $tags_str = preg_replace("/, $/", "", $tags_str);
4756                         $tags_nolinks_str = preg_replace("/, $/", "", $tags_nolinks_str);
4757                         $f_tags_str = preg_replace("/, $/", "", $f_tags_str);
4758
4759                         $all_tags_div = "<span class='cdmAllTagsCtr'>&hellip;<div class='cdmAllTags'>All Tags: $f_tags_str</div></span>";
4760                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4761
4762                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4763
4764                         if (!$tags_str) $tags_str = '<span class="tagList">'.__('no tags').'</span>';
4765                         if (!$tags_nolinks_str) $tags_nolinks_str = '<span class="tagList">'.__('no tags').'</span>';
4766
4767                         print "<div style='float : right'>
4768                                         <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>";
4769
4770                         if (!$zoom_mode) {
4771                                 print "$tags_str
4772                                         <a title=\"".__('Edit tags for this article')."\"
4773                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
4774
4775                                 if (defined('_ENABLE_INLINE_VIEW')) {
4776
4777                                         print "<img src=\"images/art-inline.png\" class='tagsPic'
4778                                                         style=\"cursor : pointer\" style=\"cursor : pointer\"
4779                                                         onclick=\"showOriginalArticleInline($id)\"
4780                                                         alt='Inline' title='".__('Display original article content')."'>";
4781
4782                                 }
4783
4784                                 print "<img src=\"images/art-zoom.png\" class='tagsPic'
4785                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
4786                                                 onclick=\"zoomToArticle($id)\"
4787                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4788                         } else {
4789                                 print "$tags_nolinks_str";
4790                         }
4791                         print "</div>";
4792                         print "<div clear='both'>$entry_comments</div>";
4793
4794                         print "</div>";
4795
4796                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4797                         print "<div class=\"postContent\">";
4798
4799                         #print "<div id=\"allEntryTags\">".__('Tags:')." $f_tags_str</div>";
4800
4801                         $article_content = sanitize_rss($link, $line["content"]);
4802
4803                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4804                                 $article_content = preg_replace("/href=/i", "target=\"_blank\" href=",
4805                                         $article_content);
4806                         }
4807
4808                         print $article_content;
4809
4810                         $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4811                                 post_id = '$id' AND content_url != ''");
4812
4813                         if (db_num_rows($result) > 0) {
4814
4815                                 $entries_html = array();
4816                                 $entries = array();
4817
4818                                 while ($line = db_fetch_assoc($result)) {
4819
4820                                         $url = $line["content_url"];
4821                                         $ctype = $line["content_type"];
4822
4823                                         if (!$ctype) $ctype = __("unknown type");
4824
4825                                         $filename = substr($url, strrpos($url, "/")+1);
4826
4827                                         $entry = "";
4828
4829                                         if (($ctype == __("audio/mpeg")) &&
4830                                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4831
4832                                                 $entry .= "<object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object> ";
4833
4834                                         }
4835
4836                                         $entry .= "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4837                                                 $filename . " (" . $ctype . ")" . "</a>";
4838
4839                                         array_push($entries_html, $entry);
4840
4841                                         $entry = array();
4842
4843                                         $entry["type"] = $ctype;
4844                                         $entry["filename"] = $filename;
4845                                         $entry["url"] = $url;
4846
4847                                         array_push($entries, $entry);
4848                                 }
4849
4850                                 print "<div class=\"postEnclosures\">";
4851
4852                                 if (!preg_match("/img/i", $article_content)) {
4853                                         foreach ($entries as $entry) {
4854                                                 if (preg_match("/image/", $entry["type"])) {
4855                                                         print "<p><img
4856                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
4857                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
4858                                                 }
4859                                         }
4860                                 }
4861
4862                                 print "<div class=\"postEnclosures\">";
4863
4864                                 if (db_num_rows($result) == 1) {
4865                                         print __("Attachment:") . " ";
4866                                 } else {
4867                                         print __("Attachments:") . " ";
4868                                 }
4869
4870                                 print join(", ", $entries_html);
4871
4872                                 print "</div>";
4873                         }
4874
4875                         print "</div>";
4876
4877                         print "</div>";
4878
4879                 }
4880
4881                 if (!$zoom_mode) {
4882                         print "]]></article>";
4883                 } else {
4884                         print "
4885                                 <div style=\"text-align : center\">
4886                                 <input type=\"submit\" onclick=\"return window.close()\"
4887                                 value=\"".__("Close this window")."\"></div>";
4888                         print "</body></html>";
4889
4890                 }
4891
4892         }
4893
4894         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4895                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4896                                         $override_order = false) {
4897
4898                 $disable_cache = false;
4899
4900                 $timing_info = getmicrotime();
4901
4902                 $topmost_article_ids = array();
4903
4904                 if (!$offset) {
4905                         $offset = 0;
4906                 }
4907
4908                 if ($subop == "undefined") $subop = "";
4909
4910                 $subop_split = split(":", $subop);
4911
4912                 if ($subop == "CatchupSelected") {
4913                         $ids = split(",", db_escape_string($_GET["ids"]));
4914                         $cmode = sprintf("%d", $_GET["cmode"]);
4915
4916                         catchupArticlesById($link, $ids, $cmode);
4917                 }
4918
4919                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4920                         update_generic_feed($link, $feed, $cat_view, true);
4921                 }
4922
4923                 if ($subop == "MarkAllRead")  {
4924                         catchup_feed($link, $feed, $cat_view);
4925
4926                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4927                                 if ($next_unread_feed) {
4928                                         $feed = $next_unread_feed;
4929                                 }
4930                         }
4931                 }
4932
4933                 if ($subop_split[0] == "MarkAllReadGR")  {
4934                         catchup_feed($link, $subop_split[1], false);
4935                 }
4936
4937
4938                 if ($feed_id > 0) {
4939                         $result = db_query($link,
4940                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4941
4942                         if (db_num_rows($result) == 0) {
4943                                 print "<div align='center'>".__('Feed not found.')."</div>";
4944                                 return;
4945                         }
4946                 }
4947
4948                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4949
4950                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4951                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4952
4953                         if (db_num_rows($result) == 1) {
4954                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4955                         } else {
4956                                 $rtl_content = false;
4957                         }
4958
4959                         if ($rtl_content) {
4960                                 $rtl_tag = "dir=\"RTL\"";
4961                         } else {
4962                                 $rtl_tag = "";
4963                         }
4964                 } else {
4965                         $rtl_tag = "";
4966                         $rtl_content = false;
4967                 }
4968
4969                 $script_dt_add = get_script_dt_add();
4970
4971                 /// START /////////////////////////////////////////////////////////////////////////////////
4972
4973                 $search = db_escape_string($_GET["query"]);
4974
4975                 if ($search) {
4976                         $disable_cache = true;
4977                 }
4978
4979                 $search_mode = db_escape_string($_GET["search_mode"]);
4980                 $match_on = db_escape_string($_GET["match_on"]);
4981
4982                 if (!$match_on) {
4983                         $match_on = "both";
4984                 }
4985
4986                 $real_offset = $offset * $limit;
4987
4988                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4989
4990                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4991                         $search, $search_mode, $match_on, $override_order, $real_offset);
4992
4993                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4994
4995                 $result = $qfh_ret[0];
4996                 $feed_title = $qfh_ret[1];
4997                 $feed_site_url = $qfh_ret[2];
4998                 $last_error = $qfh_ret[3];
4999
5000                 $vgroup_last_feed = $vgr_last_feed;
5001
5002                 if ($feed == -2) {
5003                         $feed_site_url = article_publish_url($link);
5004                 }
5005
5006                 /// STOP //////////////////////////////////////////////////////////////////////////////////
5007
5008                 if (!$offset) {
5009                         print "<div id=\"headlinesContainer\" $rtl_tag>";
5010
5011                         if (!$result) {
5012                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
5013                                 return;
5014                         }
5015
5016                         print_headline_subtoolbar($link, $feed_site_url, $feed_title, false,
5017                                 $rtl_content, $feed, $cat_view, $search, $match_on, $search_mode,
5018                                 $offset, $limit);
5019
5020                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
5021                 }
5022
5023                 $headlines_count = db_num_rows($result);
5024
5025                 if (db_num_rows($result) > 0) {
5026
5027 #                       print "\{$offset}";
5028
5029                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5030                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
5031                                         cellspacing=\"0\">";
5032                         }
5033
5034                         $lnum = $limit*$offset;
5035
5036                         error_reporting (DEFAULT_ERROR_LEVEL);
5037
5038                         $num_unread = 0;
5039                         $cur_feed_title = '';
5040
5041                         while ($line = db_fetch_assoc($result)) {
5042
5043                                 $class = ($lnum % 2) ? "even" : "odd";
5044
5045                                 $id = $line["id"];
5046                                 $feed_id = $line["feed_id"];
5047
5048                                 if (count($topmost_article_ids) < 5) {
5049                                         array_push($topmost_article_ids, $id);
5050                                 }
5051
5052                                 if ($line["last_read"] == "" &&
5053                                                 ($line["unread"] != "t" && $line["unread"] != "1")) {
5054
5055                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
5056                                                 alt=\"Updated\">";
5057                                 } else {
5058                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
5059                                                 alt=\"Updated\">";
5060                                 }
5061
5062                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5063                                         $class .= "Unread";
5064                                         ++$num_unread;
5065                                         $is_unread = true;
5066                                 } else {
5067                                         $is_unread = false;
5068                                 }
5069
5070                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
5071
5072                                 if ($is_ie) {
5073                                         $mark_img_ext = "gif";
5074                                 } else {
5075                                         $mark_img_ext = "png";
5076                                 }
5077
5078                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5079                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
5080                                                 class=\"markedPic\"
5081                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
5082                                 } else {
5083                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
5084                                                 class=\"markedPic\"
5085                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
5086                                 }
5087
5088                                 if ($line["published"] == "t" || $line["published"] == "1") {
5089                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
5090                                                 class=\"markedPic\"
5091                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5092                                 } else {
5093                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
5094                                                 class=\"markedPic\"
5095                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5096                                 }
5097
5098 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5099 #                                       $line["title"] . "</a>";
5100
5101 #                               $content_link = "<a
5102 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5103 #                                       onclick=\"view($id,$feed_id);\">" .
5104 #                                       $line["title"] . "</a>";
5105
5106 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5107 #                                       $line["title"] . "</a>";
5108
5109                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
5110                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
5111                                 } else {
5112                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
5113                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
5114                                 }
5115
5116                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5117                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5118                                                 100);
5119                                 }
5120
5121                                 $score = $line["score"];
5122
5123                                 $score_pic = get_score_pic($score);
5124
5125                                 $score_title = __("(Click to change)");
5126
5127                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5128                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">";
5129
5130                                 if ($score > 500) {
5131                                         $hlc_suffix = "H";
5132                                 } else if ($score < -100) {
5133                                         $hlc_suffix = "L";
5134                                 } else {
5135                                         $hlc_suffix = "";
5136                                 }
5137
5138                                 $entry_author = $line["author"];
5139
5140                                 if ($entry_author) {
5141                                         $entry_author = " - $entry_author";
5142                                 }
5143
5144                                 $has_feed_icon = feed_has_icon($feed_id);
5145
5146                                 if ($has_feed_icon) {
5147                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5148                                 } else {
5149                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5150                                         $feed_icon_img = "";
5151                                 }
5152
5153                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5154
5155                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5156                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5157
5158                                                         $cur_feed_title = $line["feed_title"];
5159                                                         $vgroup_last_feed = $feed_id;
5160
5161                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5162
5163                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>mark as read</a>)";
5164
5165                                                         print "<tr class='feedTitle'><td colspan='7'>".
5166                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5167                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5168                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
5169                                                 }
5170                                         }
5171
5172                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5173                                                 onmouseout='postMouseOut($id)'";
5174
5175                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5176
5177                                         print "<td class='hlUpdPic'>$update_pic</td>";
5178
5179                                         print "<td class='hlSelectRow'>
5180                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5181                                                         id=\"RCHK-$id\">
5182                                                 </td>";
5183
5184                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5185                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5186
5187 #                                       if ($line["feed_title"]) {
5188 #                                               print "<td class='hlContent'>$content_link</td>";
5189 #                                               print "<td class='hlFeed'>
5190 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5191 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5192 #                                       } else {
5193
5194                                         print "<td onclick='view($id,$feed_id)' class='hlContent$hlc_suffix' valign='middle'>";
5195
5196                                         print "<a id=\"RTITLE-$id\"
5197                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5198                                                 onclick=\"return view($id,$feed_id);\">" .
5199                                                 $line["title"];
5200
5201                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5202                                                 if ($content_preview) {
5203                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5204                                                 }
5205                                         }
5206
5207                                         print "</a>";
5208
5209 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5210 #                                                       $line["feed_title"]."</a>
5211
5212                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5213                                                 if ($line["feed_title"]) {
5214                                                         print "<span class=\"hlFeed\">
5215                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5216                                                                 $line["feed_title"]."</a>)
5217                                                         </span>";
5218                                                 }
5219                                         }
5220                                         print "</td>";
5221
5222 #                                       }
5223
5224                                         print "<td class=\"hlUpdated\" onclick='view($id,$feed_id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5225
5226                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5227
5228                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5229                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5230                                         }
5231
5232                                         print "</tr>";
5233
5234                                 } else {
5235
5236                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5237                                                 if ($feed_id != $vgroup_last_feed) {
5238
5239                                                         $cur_feed_title = $line["feed_title"];
5240                                                         $vgroup_last_feed = $feed_id;
5241
5242                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5243
5244                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>mark as read</a>)";
5245
5246                                                         $has_feed_icon = feed_has_icon($feed_id);
5247
5248                                                         if ($has_feed_icon) {
5249                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5250                                                         } else {
5251                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5252                                                         }
5253
5254                                                         print "<div class='cdmFeedTitle'>".
5255                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5256                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5257                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5258                                                 }
5259                                         }
5260
5261                                         if ($is_unread) {
5262                                                 $add_class = "Unread";
5263                                         } else {
5264                                                 $add_class = "";
5265                                         }
5266
5267                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5268                                         $show_excerpt = false;
5269
5270                                         if ($expand_cdm && $score >= -100) {
5271                                                 $cdm_cstyle = "";
5272                                                 $show_excerpt = false;
5273                                         } else {
5274                                                 $cdm_cstyle = "style=\"display : none\"";
5275                                                 $show_excerpt = true;
5276                                         }
5277
5278                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5279                                                 onmouseout='postMouseOut($id)'";
5280
5281                                         print "<div class=\"cdmArticle$add_class\"
5282                                                 id=\"RROW-$id\"
5283                                                 $mouseover_attrs'>";
5284
5285                                         print "<div class=\"cdmHeader\">";
5286
5287                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5288                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5289                                         }
5290
5291                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5292                                                 </div>";
5293
5294                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\"
5295                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5296                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5297                                                 ";
5298
5299                                         print $entry_author;
5300
5301 /*                                      if (!$expand_cdm || $score < -100) {
5302                                                 print "&nbsp;<a id=\"CICH-$id\"
5303                                                         href=\"javascript:cdmExpandArticle($id)\">
5304                                                         (".__('Show article').")</a>";
5305                                         } */
5306
5307
5308                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5309                                                 if ($line["feed_title"]) {
5310                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5311                                                 }
5312                                         }
5313
5314                                         print "</span></div>";
5315
5316                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
5317                                                 $line["content_preview"] = preg_replace("/href=/i",
5318                                                         "target=\"_blank\" href=", $line["content_preview"]);
5319                                         }
5320
5321                                         if ($show_excerpt) {
5322                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5323                                                         onclick=\"cdmExpandArticle($id)\"
5324                                                         title=\"".__('Click to expand article')."\">";
5325                                                 print truncate_string(strip_tags($line["content_preview"]), 100);
5326                                                 print "</div>";
5327                                         }
5328
5329                                         print "<div class=\"cdmContent\"
5330                                                 onclick=\"cdmClicked($id)\"
5331                                                 id=\"CICD-$id\" $cdm_cstyle>";
5332
5333 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5334
5335                                         print sanitize_rss($link, $line["content_preview"]);
5336                                         $article_content = $line["content_preview"];
5337
5338                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5339                                                 post_id = '$id' AND content_url != ''");
5340
5341                                         if (db_num_rows($e_result) > 0) {
5342
5343                                 $entries_html = array();
5344                                 $entries = array();
5345
5346                                 while ($e_line = db_fetch_assoc($e_result)) {
5347
5348                                         $url = $e_line["content_url"];
5349                                         $ctype = $e_line["content_type"];
5350                                         if (!$ctype) $ctype = __("unknown type");
5351
5352                                         $filename = substr($url, strrpos($url, "/")+1);
5353
5354                                         $entry = "";
5355
5356                                         if (($ctype == __("audio/mpeg")) &&
5357                                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
5358
5359                                                 $entry .= "<object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object> ";
5360
5361                                         }
5362
5363                                         $entry .= "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5364                                                 $filename . " (" . $ctype . ")" . "</a>";
5365
5366                                         array_push($entries_html, $entry);
5367
5368                                         $entry = array();
5369
5370                                         $entry["type"] = $ctype;
5371                                         $entry["filename"] = $filename;
5372                                         $entry["url"] = $url;
5373
5374                                         array_push($entries, $entry);
5375                                 }
5376
5377                                 if (!preg_match("/img/i", $article_content)) {
5378                                         foreach ($entries as $entry) {
5379                                                 if (preg_match("/image/", $entry["type"])) {
5380                                                         print "<p><img
5381                                                                 alt=\"".htmlspecialchars($entry["filename"])."\"
5382                                                                 src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
5383                                                 }
5384                                         }
5385                                 }
5386
5387                                 print "<div class=\"cdmEnclosures\">";
5388
5389                                 if (db_num_rows($e_result) == 1) {
5390                                         print __("Attachment:") . " ";
5391                                 } else {
5392                                         print __("Attachments:") . " ";
5393                                 }
5394
5395                                 print join(", ", $entries_html);
5396
5397                                 print "</div>";
5398                         }
5399
5400
5401                                         print "<br clear='both'>";
5402 //                                      print "</div>";
5403
5404 /*                                      if (!$expand_cdm) {
5405                                                 print "<a id=\"CICH-$id\"
5406                                                         href=\"javascript:cdmExpandArticle($id)\">
5407                                                         Show article</a>";
5408                                         } */
5409
5410                                         print "</div>";
5411
5412                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5413
5414                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5415
5416                                         print __("Select:").
5417                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5418                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5419
5420                                         print "</span><span class='s1'>$marked_pic</span> ";
5421                                         print "<span class='s1'>$published_pic</span> ";
5422                                         print "<span class='s1'><img src=\"images/art-zoom.png\" class='tagsPic'
5423                                                 onclick=\"zoomToArticle($id)\"
5424                                                 style=\"cursor : pointer\"
5425                                                 alt='Zoom'
5426                                                 title='".__('Show article summary in new window')."'></span>";
5427
5428                                         $tags = get_article_tags($link, $id);
5429
5430                                         $tags_str = "";
5431                                         $full_tags_str = "";
5432                                         $num_tags = 0;
5433
5434                                         foreach ($tags as $tag) {
5435                                                 $num_tags++;
5436                                                 $full_tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
5437                                                 if ($num_tags < 5) {
5438                                                         $tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
5439                                                 } else if ($num_tags == 5) {
5440                                                         $tags_str .= "&hellip;";
5441                                                 }
5442                                         }
5443
5444                                         $tags_str = preg_replace("/, $/", "", $tags_str);
5445                                         $full_tags_str = preg_replace("/, $/", "", $full_tags_str);
5446
5447                                         $all_tags_div = "<span class='cdmAllTagsCtr'>&hellip;<div class='cdmAllTags'>All Tags: $full_tags_str</div></span>";
5448
5449                                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
5450
5451
5452                                         if ($tags_str == "") $tags_str = "no tags";
5453
5454 //                                      print "<img src='images/tag.png' class='markedPic'>";
5455
5456                                         print "<span class='s1'>
5457                                                 <img class='tagsPic' src='images/tag.png' alt='Tags'
5458                                                         title='Tags'> $tags_str <a title=\"Edit tags for this article\"
5459                                                         href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5460
5461                                         print "</span>";
5462
5463                                         print "<span class='s2'>Toggle: <a class=\"cdmToggleLink\"
5464                                                         href=\"javascript:toggleUnread($id)\">
5465                                                         Unread</a></span>";
5466
5467                                         print "</div>";
5468                                         print "</div>";
5469
5470                                 }
5471
5472                                 ++$lnum;
5473                         }
5474
5475                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5476                                 print "</table>";
5477                         }
5478
5479 //                      print_headline_subtoolbar($link,
5480 //                              "javascript:catchupPage()", "Mark page as read", true, $rtl_content);
5481
5482
5483                 } else {
5484                         $message = "";
5485
5486                         switch ($view_mode) {
5487                                 case "unread":
5488                                         $message = __("No unread articles found to display.");
5489                                         break;
5490                                 case "marked":
5491                                         $message = __("No starred articles found to display.");
5492                                         break;
5493                                 default:
5494                                         $message = __("No articles found to display.");
5495                         }
5496
5497                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5498                 }
5499
5500                 if (!$offset) {
5501                         print "</div>";
5502                         print "</div>";
5503                 }
5504
5505                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5506         }
5507
5508 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5509
5510         function printTagCloud($link) {
5511
5512                 /* get first ref_id to count from */
5513
5514                 /*
5515
5516                 $query = "";
5517
5518                 if (DB_TYPE == "pgsql") {
5519                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
5520                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
5521                                 AND date_entered > NOW() - INTERVAL '30 days'";
5522                 } else {
5523                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
5524                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
5525                                 AND date_entered > DATE_SUB(NOW(), INTERVAL 30 DAY)";
5526                 }
5527
5528                 $result = db_query($link, $query);
5529                 $first_id = db_fetch_result($result, 0, "id"); */
5530
5531                 //AND post_int_id >= '$first_id'
5532                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5533                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5534                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5535
5536                 $result = db_query($link, $query);
5537
5538                 $tags = array();
5539
5540                 while ($line = db_fetch_assoc($result)) {
5541                         $tags[$line["tag_name"]] = $line["count"];
5542                 }
5543
5544                 ksort($tags);
5545
5546                 $max_size = 32; // max font size in pixels
5547                 $min_size = 11; // min font size in pixels
5548
5549                 // largest and smallest array values
5550                 $max_qty = max(array_values($tags));
5551                 $min_qty = min(array_values($tags));
5552
5553                 // find the range of values
5554                 $spread = $max_qty - $min_qty;
5555                 if ($spread == 0) { // we don't want to divide by zero
5556                                 $spread = 1;
5557                 }
5558
5559                 // set the font-size increment
5560                 $step = ($max_size - $min_size) / ($spread);
5561
5562                 // loop through the tag array
5563                 foreach ($tags as $key => $value) {
5564                         // calculate font-size
5565                         // find the $value in excess of $min_qty
5566                         // multiply by the font-size increment ($size)
5567                         // and add the $min_size set above
5568                         $size = round($min_size + (($value - $min_qty) * $step));
5569
5570                         $key_escaped = str_replace("'", "\\'", $key);
5571
5572                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5573                                 $size . "px\" title=\"$value articles tagged with " .
5574                                 $key . '">' . $key . '</a> ';
5575                 }
5576         }
5577
5578         function print_checkpoint($n, $s) {
5579                 $ts = getmicrotime();
5580                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5581                 return $ts;
5582         }
5583
5584         function sanitize_tag($tag) {
5585                 $tag = trim($tag);
5586
5587                 $tag = mb_strtolower($tag, 'utf-8');
5588
5589                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5590
5591 //              $tag = str_replace('"', "", $tag);
5592 //              $tag = str_replace("+", " ", $tag);
5593                 $tag = str_replace("technorati tag: ", "", $tag);
5594
5595                 return $tag;
5596         }
5597
5598         function generate_publish_key() {
5599                 return sha1(uniqid(rand(), true));
5600         }
5601
5602         function article_publish_url($link) {
5603
5604                 $url_path = "";
5605
5606
5607                 if ($_SERVER['HTTPS'] != "on") {
5608                         $url_path = "http://";
5609                 } else {
5610                         $url_path = "https://";
5611                 }
5612
5613                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5614                 $url_path .= "/backend.php?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
5615
5616                 return $url_path;
5617         }
5618
5619         /**
5620          * Purge a feed contents, marked articles excepted.
5621          *
5622          * @param mixed $link The database connection.
5623          * @param integer $id The id of the feed to purge.
5624          * @return void
5625          */
5626         function clear_feed_articles($link, $id) {
5627                 $result = db_query($link, "DELETE FROM ttrss_user_entries
5628                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5629
5630                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5631                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5632         } // function clear_feed_articles
5633
5634         /**
5635          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5636          *
5637          * @return string The Mozilla Firefox feed adding URL.
5638          */
5639         function add_feed_url() {
5640                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5641                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5642                 return $url_path;
5643         } // function add_feed_url
5644
5645         /**
5646          * Encrypt a password in SHA1.
5647          *
5648          * @param string $pass The password to encrypt.
5649          * @param string $login A optionnal login.
5650          * @return string The encrypted password.
5651          */
5652         function encrypt_password($pass, $login = '') {
5653                 if ($login) {
5654                         return "SHA1X:" . sha1("$login:$pass");
5655                 } else {
5656                         return "SHA1:" . sha1($pass);
5657                 }
5658         } // function encrypt_password
5659
5660         /**
5661          * Update a feed batch.
5662          * Used by daemons to update n feeds by run.
5663          * Only update feed needing a update, and not being processed
5664          * by another process.
5665          *
5666          * @param mixed $link Database link
5667          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5668          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5669          * @param boolean $debug Set to false to disable debug output. Default to true.
5670          * @return void
5671          */
5672         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5673                 // Process all other feeds using last_updated and interval parameters
5674
5675                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5676                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5677                         if (DB_TYPE == "pgsql") {
5678                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5679                         } else {
5680                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5681                         }
5682                 } else {
5683                         $login_thresh_qpart = "";
5684                 }
5685
5686                 // Test if the feed need a update (update interval exceded).
5687                 if (DB_TYPE == "pgsql") {
5688                         $update_limit_qpart = "AND ((
5689                                         ttrss_feeds.update_interval = 0
5690                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5691                                 ) OR (
5692                                         ttrss_feeds.update_interval > 0
5693                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5694                                 ) OR ttrss_feeds.last_updated IS NULL)";
5695                 } else {
5696                         $update_limit_qpart = "AND ((
5697                                         ttrss_feeds.update_interval = 0
5698                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5699                                 ) OR (
5700                                         ttrss_feeds.update_interval > 0
5701                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5702                                 ) OR ttrss_feeds.last_updated IS NULL)";
5703                 }
5704
5705                 // Test if feed is currently being updated by another process.
5706                 if (DB_TYPE == "pgsql") {
5707                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5708                 } else {
5709                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5710                 }
5711
5712                 // Test if there is a limit to number of updated feeds
5713                 $query_limit = "";
5714                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5715
5716                 $random_qpart = sql_random_function();
5717
5718                 // We search for feed needing update.
5719                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5720                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5721                                 ttrss_feeds.update_interval
5722                         FROM
5723                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5724                         WHERE
5725                                 ttrss_feeds.owner_uid = ttrss_users.id
5726                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5727                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5728                                 $login_thresh_qpart $update_limit_qpart
5729                          $updstart_thresh_qpart
5730                         ORDER BY $random_qpart $query_limit");
5731
5732                 $user_prefs_cache = array();
5733
5734                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5735
5736                 // Here is a little cache magic in order to minimize risk of double feed updates.
5737                 $feeds_to_update = array();
5738                 while ($line = db_fetch_assoc($result)) {
5739                         $feeds_to_update[$line['id']] = $line;
5740                 }
5741
5742                 // We update the feed last update started date before anything else.
5743                 // There is no lag due to feed contents downloads
5744                 // It prevent an other process to update the same feed.
5745                 $feed_ids = array_keys($feeds_to_update);
5746                 if($feed_ids) {
5747                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5748                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5749                 }
5750
5751                 // For each feed, we call the feed update function.
5752                 while ($line = array_pop($feeds_to_update)) {
5753
5754                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5755
5756                         // We setup a alarm to alert if the feed take more than 300s to update.
5757                         // => HANG alarm.
5758                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
5759                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5760                         // Cancel the alarm (the update went well)
5761                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
5762
5763                         sleep(1); // prevent flood (FIXME make this an option?)
5764                 }
5765
5766         // Send feed digests by email if needed.
5767         if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5768
5769         } // function update_daemon_common
5770
5771         function generate_dashboard_feed($link) {
5772
5773                 print "<div id=\"headlinesContainer\">";
5774
5775                 print_headline_subtoolbar($link, "", "Dashboard",
5776                         false, false, -4, false, false, false,
5777                         false, 0, 0, true, true, "tag.png");
5778
5779                 print "<div id=\"headlinesInnerContainer\" class=\"dashboard\">";
5780                 print "<div>There is <b>666</b> unread articles in <b>666</b> feeds.</div>";
5781                 print "</div>";
5782
5783                 print "</div>";
5784
5785                 print "]]></headlines>";
5786                 print "<headlines-count value=\"0\"/>";
5787                 print "<headlines-unread value=\"0\"/>";
5788                 print "<disable-cache value=\"1\"/>";
5789
5790                 print "<articles>";
5791                 print "</articles>";
5792         }
5793
5794         function sanitize_article_content($text) {
5795                 # we don't support CDATA sections in articles, they break our own escaping
5796                 $text = preg_replace("/\[\[CDATA/", "", $text);
5797                 $text = preg_replace("/\]\]\>/", "", $text);
5798                 return $text;
5799         }
5800
5801         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5802                 $filters = array();
5803
5804                 if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5805
5806                 $result = db_query($link, "SELECT reg_exp,
5807                         ttrss_filter_types.name AS name,
5808                         ttrss_filter_actions.name AS action,
5809                         inverse,
5810                         action_param,
5811                         filter_param
5812                         FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5813                                 enabled = true AND
5814                                 $ftype_query_part
5815                                 owner_uid = $owner_uid AND
5816                                 ttrss_filter_types.id = filter_type AND
5817                                 ttrss_filter_actions.id = action_id AND
5818                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5819
5820                 while ($line = db_fetch_assoc($result)) {
5821                         if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5822                                 $filter["reg_exp"] = $line["reg_exp"];
5823                                 $filter["action"] = $line["action"];
5824                                 $filter["action_param"] = $line["action_param"];
5825                                 $filter["filter_param"] = $line["filter_param"];
5826                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5827
5828                                 array_push($filters[$line["name"]], $filter);
5829                         }
5830
5831                 return $filters;
5832         }
5833
5834         function get_score_pic($score) {
5835                 if ($score > 100) {
5836                         return "score_high.png";
5837                 } else if ($score > 0) {
5838                         return "score_half_high.png";
5839                 } else if ($score < -100) {
5840                         return "score_low.png";
5841                 } else if ($score < 0) {
5842                         return "score_half_low.png";
5843                 } else {
5844                         return "score_neutral.png";
5845                 }
5846         }
5847
5848         function rounded_table_start($classname, $header = "&nbsp;") {
5849                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5850                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5851                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5852         }
5853
5854         function rounded_table_end($footer = "&nbsp;") {
5855                 print "</td><td class='right'>&nbsp;</td></tr>";
5856                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5857                 print "</table>";
5858         }
5859
5860         function print_label_dlg_common_examples() {
5861
5862                 print __("Match ") . " ";
5863
5864 /*              print "<select name=\"label_andor\">";
5865                 print "<option value=\"and\">AND</option>";
5866                 print "<option value=\"or\">OR</option>";
5867                 print "</select>"; */
5868
5869                 print "<select name=\"label_fields\" onchange=\"labelFieldsCheck(this)\">";
5870                 print "<option value=\"unread\">".__("Unread articles")."</option>";
5871                 print "<option value=\"updated\">".__("Updated articles")."</option>";
5872                 print "<option value=\"kw_title\">".__("Title contains")."</option>";
5873                 print "<option value=\"kw_content\">".__("Content contains")."</option>";
5874                 print "<option value=\"scoreE\">".__("Score equals")."</option>";
5875                 print "<option value=\"scoreG\">".__("Score is greater than")."</option>";
5876                 print "<option value=\"scoreL\">".__("Score is less than")."</option>";
5877                 print "<option value=\"newerH\">".__("Articles newer than X hours")."</option>";
5878                 print "<option value=\"newerD\">".__("Articles newer than X days")."</option>";
5879
5880                 print "</select>";
5881
5882                 print "<input style=\"display : none\" name=\"label_fields_param\"
5883                         size=\"10\">";
5884
5885                 print " <input type=\"submit\"
5886                         onclick=\"return addLabelExample()\"
5887                         value=\"".__("Add")."\">";
5888         }
5889
5890         function feed_has_icon($id) {
5891                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5892         }
5893
5894         function init_connection($link) {
5895                 if (DB_TYPE == "pgsql") {
5896                         pg_query($link, "set client_encoding = 'UTF-8'");
5897                         pg_set_client_encoding("UNICODE");
5898                         pg_query($link, "set datestyle = 'ISO, european'");
5899                 } else {
5900                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
5901                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
5902         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
5903                         }
5904                 }
5905         }
5906
5907         function update_feedbrowser_cache($link) {
5908
5909                 $result = db_query($link, "SELECT feed_url,COUNT(id) AS subscribers
5910                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
5911                                 WHERE tf.feed_url = ttrss_feeds.feed_url
5912                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
5913                                 GROUP BY feed_url ORDER BY subscribers DESC");
5914
5915                 db_query($link, "BEGIN");
5916
5917                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
5918
5919                 $count = 0;
5920
5921                 while ($line = db_fetch_assoc($result)) {
5922                         $subscribers = db_escape_string($line["subscribers"]);
5923                         $feed_url = db_escape_string($line["feed_url"]);
5924
5925                         db_query($link, "INSERT INTO ttrss_feedbrowser_cache
5926                                 (feed_url, subscribers) VALUES ('$feed_url', '$subscribers')");
5927
5928                         ++$count;
5929                 }
5930
5931                 db_query($link, "COMMIT");
5932
5933                 return $count;
5934
5935         }
5936 ?>