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                                         "nb_NO" => "Norwegian bokmål",
  30                                         "ru_RU" => "Русский",
  31                                         "pt_BR" => "Portuguese/Brazil",
  32                                         "zh_CN" => "Simplified Chinese");
  33
  34                 return $tr;
  35         }
  36
  37         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  38                 require_once "accept-to-gettext.php";
  39                 require_once "gettext/gettext.inc";
  40
  41                 function startup_gettext() {
  42
  43                         # Get locale from Accept-Language header
  44                         $lang = al2gt(array_keys(get_translations()), "text/html");
  45
  46                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  47                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  48                         }
  49
  50                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  51                                 $lang = $_COOKIE["ttrss_lang"];
  52                         }
  53
  54                         if ($lang) {
  55                                 if (defined('LC_MESSAGES')) {
  56                                         _setlocale(LC_MESSAGES, $lang);
  57                                 } else if (defined('LC_ALL')) {
  58                                         _setlocale(LC_ALL, $lang);
  59                                 } else {
  60                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  61                                 }
  62                                 _bindtextdomain("messages", "locale");
  63                                 _textdomain("messages");
  64                                 _bind_textdomain_codeset("messages", "UTF-8");
  65                         }
  66                 }
  67
  68                 startup_gettext();
  69
  70         } else { // If translations are enabled.
  71                 function __($msg) {
  72                         return $msg;
  73                 }
  74                 function startup_gettext() {
  75                         // no-op
  76                         return true;
  77                 }
  78         } // If translations are enabled.
  79
  80         require_once 'db-prefs.php';
  81         require_once 'compat.php';
  82         require_once 'errors.php';
  83         require_once 'version.php';
  84
  85         require_once 'phpmailer/class.phpmailer.php';
  86
  87         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
  88         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
  89
  90         require_once "simplepie/simplepie.inc";
  91         require_once "magpierss/rss_fetch.inc";
  92         require_once 'magpierss/rss_utils.inc';
  93
  94         /**
  95          * Print a timestamped debug message.
  96          *
  97          * @param string $msg The debug message.
  98          * @return void
  99          */
 100         function _debug($msg) {
 101                 $ts = strftime("%H:%M:%S", time());
 102                 if (function_exists('posix_getpid')) {
 103                         $ts = "$ts/" . posix_getpid();
 104                 }
 105                 print "[$ts] $msg\n";
 106         } // function _debug
 107
 108         /**
 109          * Purge a feed old posts.
 110          *
 111          * @param mixed $link A database connection.
 112          * @param mixed $feed_id The id of the purged feed.
 113          * @param mixed $purge_interval Olderness of purged posts.
 114          * @param boolean $debug Set to True to enable the debug. False by default.
 115          * @access public
 116          * @return void
 117          */
 118         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 119
 120                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 121
 122                 $rows = -1;
 123
 124                 $result = db_query($link,
 125                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 126
 127                 $owner_uid = false;
 128
 129                 if (db_num_rows($result) == 1) {
 130                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 131                 }
 132
 133                 if (!$owner_uid) return;
 134
 135                 $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 136                         $owner_uid, false);
 137
 138                 if (!$purge_unread) $query_limit = " unread = false AND ";
 139
 140                 if (DB_TYPE == "pgsql") {
 141 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 142                                 marked = false AND feed_id = '$feed_id' AND
 143                                 (SELECT date_entered FROM ttrss_entries WHERE
 144                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 145
 146                         $pg_version = get_pgsql_version($link);
 147
 148                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 149
 150                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 151                                         ttrss_entries.id = ref_id AND
 152                                         marked = false AND
 153                                         feed_id = '$feed_id' AND
 154                                         $query_limit
 155                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 156
 157                         } else {
 158
 159                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 160                                         USING ttrss_entries
 161                                         WHERE ttrss_entries.id = ref_id AND
 162                                         marked = false AND
 163                                         feed_id = '$feed_id' AND
 164                                         $query_limit
 165                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 166                         }
 167
 168                         $rows = pg_affected_rows($result);
 169
 170                 } else {
 171
 172 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 173                                 marked = false AND feed_id = '$feed_id' AND
 174                                 (SELECT date_entered FROM ttrss_entries WHERE
 175                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 176
 177                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 178                                 USING ttrss_user_entries, ttrss_entries
 179                                 WHERE ttrss_entries.id = ref_id AND
 180                                 marked = false AND
 181                                 feed_id = '$feed_id' AND
 182                                 $query_limit
 183                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 184
 185                         $rows = mysql_affected_rows($link);
 186
 187                 }
 188
 189                 if ($debug) {
 190                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 191                 }
 192         } // function purge_feed
 193
 194         /**
 195          * Purge old posts from old feeds.
 196          *
 197          * @param mixed $link A database connection
 198          * @param boolean $do_output Set to true to enable printed output, false by default.
 199          * @param integer $limit The maximal number of removed posts.
 200          * @access public
 201          * @return void
 202          */
 203         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 204
 205                 $random_qpart = sql_random_function();
 206
 207                 if ($limit) {
 208                         $limit_qpart = "LIMIT $limit";
 209                 } else {
 210                         $limit_qpart = "";
 211                 }
 212
 213                 $result = db_query($link,
 214                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 215                                 ORDER BY $random_qpart $limit_qpart");
 216
 217                 while ($line = db_fetch_assoc($result)) {
 218
 219                         $feed_id = $line["id"];
 220                         $purge_interval = $line["purge_interval"];
 221                         $owner_uid = $line["owner_uid"];
 222
 223                         if ($purge_interval == 0) {
 224
 225                                 $tmp_result = db_query($link,
 226                                         "SELECT value FROM ttrss_user_prefs WHERE
 227                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 228
 229                                 if (db_num_rows($tmp_result) != 0) {
 230                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 231                                 }
 232                         }
 233
 234                         if ($do_output) {
 235 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 236                         }
 237
 238                         if ($purge_interval > 0) {
 239                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 240                         }
 241                 }
 242
 243                 // purge orphaned posts in main content table
 244                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 245                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 246
 247                 if ($do_output) {
 248                         $rows = db_affected_rows($link, $result);
 249                         _debug("Purged $rows orphaned posts.");
 250                 }
 251
 252         } // function global_purge_old_posts
 253
 254         function feed_purge_interval($link, $feed_id) {
 255
 256                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 257                         WHERE id = '$feed_id'");
 258
 259                 if (db_num_rows($result) == 1) {
 260                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 261                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 262
 263                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 264                                 'PURGE_OLD_DAYS', $user_id);
 265
 266                         return $purge_interval;
 267
 268                 } else {
 269                         return -1;
 270                 }
 271         }
 272
 273         function purge_old_posts($link) {
 274
 275                 $user_id = $_SESSION["uid"];
 276
 277                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 278                         WHERE owner_uid = '$user_id'");
 279
 280                 while ($line = db_fetch_assoc($result)) {
 281
 282                         $feed_id = $line["id"];
 283                         $purge_interval = $line["purge_interval"];
 284
 285                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 286
 287                         if ($purge_interval > 0) {
 288                                 purge_feed($link, $feed_id, $purge_interval);
 289                         }
 290                 }
 291
 292                 // purge orphaned posts in main content table
 293                 db_query($link, "DELETE FROM ttrss_entries WHERE
 294                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 295         }
 296
 297         function get_feed_update_interval($link, $feed_id) {
 298                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 299                         ttrss_feeds WHERE id = '$feed_id'");
 300
 301                 if (db_num_rows($result) == 1) {
 302                         $update_interval = db_fetch_result($result, 0, "update_interval");
 303                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 304
 305                         if ($update_interval != 0) {
 306                                 return $update_interval;
 307                         } else {
 308                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 309                         }
 310
 311                 } else {
 312                         return -1;
 313                 }
 314         }
 315
 316         function update_all_feeds($link, $fetch, $user_id = false, $force_daemon = false) {
 317
 318                 if (WEB_DEMO_MODE) return;
 319
 320                 if (!$user_id) {
 321                         $user_id = $_SESSION["uid"];
 322                         purge_old_posts($link);
 323                 }
 324
 325 //              db_query($link, "BEGIN");
 326
 327                 if (MAX_UPDATE_TIME > 0) {
 328                         if (DB_TYPE == "mysql") {
 329                                 $q_order = "RAND()";
 330                         } else {
 331                                 $q_order = "RANDOM()";
 332                         }
 333                 } else {
 334                         $q_order = "last_updated DESC";
 335                 }
 336
 337                 $result = db_query($link, "SELECT feed_url,id,
 338                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated,
 339                         update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'
 340                         ORDER BY $q_order");
 341
 342                 $upd_start = time();
 343
 344                 while ($line = db_fetch_assoc($result)) {
 345                         $upd_intl = $line["update_interval"];
 346
 347                         if (!$upd_intl || $upd_intl == 0) {
 348                                 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id, false);
 349                         }
 350
 351                         if ($upd_intl < 0) {
 352                                 // Updates for this feed are disabled
 353                                 continue;
 354                         }
 355
 356                         if ($fetch || (!$line["last_updated"] ||
 357                                 time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
 358
 359 //                              print "<!-- feed: ".$line["feed_url"]." -->";
 360
 361                                 update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
 362
 363                                 $upd_elapsed = time() - $upd_start;
 364
 365                                 if (MAX_UPDATE_TIME > 0 && $upd_elapsed > MAX_UPDATE_TIME) {
 366                                         return;
 367                                 }
 368                         }
 369                 }
 370
 371 //              db_query($link, "COMMIT");
 372
 373         }
 374
 375         function fetch_file_contents($url) {
 376                 if (USE_CURL_FOR_ICONS) {
 377                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
 378
 379                         $ch = curl_init($url);
 380                         $fp = fopen($tmpfile, "w");
 381
 382                         if ($fp) {
 383                                 curl_setopt($ch, CURLOPT_FILE, $fp);
 384                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 385                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 386                                 curl_exec($ch);
 387                                 curl_close($ch);
 388                                 fclose($fp);
 389                         }
 390
 391                         $contents =  file_get_contents($tmpfile);
 392                         unlink($tmpfile);
 393
 394                         return $contents;
 395
 396                 } else {
 397                         return file_get_contents($url);
 398                 }
 399
 400         }
 401
 402         /**
 403          * Try to determine the favicon URL for a feed.
 404          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 405          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 406          *
 407          * @param string $url A feed or page URL
 408          * @access public
 409          * @return mixed The favicon URL, or false if none was found.
 410          */
 411         function get_favicon_url($url) {
 412
 413                 if ($html = @fetch_file_contents($url)) {
 414
 415                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 416                                 // Attempt to grab a favicon link from their webpage url
 417                                 $linkUrl = html_entity_decode($matches[1]);
 418
 419                                 if (substr($linkUrl, 0, 1) == '/') {
 420                                         $urlParts = parse_url($url);
 421                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 422                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 423                                         $faviconURL = $linkUrl;
 424                                 } else if (substr($url, -1, 1) == '/') {
 425                                         $faviconURL = $url.$linkUrl;
 426                                 } else {
 427                                         $faviconURL = $url.'/'.$linkUrl;
 428                                 }
 429
 430                         } else {
 431                                 // If unsuccessful, attempt to "guess" the favicon location
 432                                 $urlParts = parse_url($url);
 433                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 434                         }
 435                 }
 436
 437                 // Run a test to see if what we have attempted to get actually exists.
 438                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 439                         return $faviconURL;
 440                 } else {
 441                         return false;
 442                 }
 443         } // function get_favicon_url
 444
 445         /**
 446          * Check if a link is a valid and working URL.
 447          *
 448          * @param mixed $link A URL to check
 449          * @access public
 450          * @return boolean True if the URL is valid, false otherwise.
 451          */
 452         function url_validate($link) {
 453
 454                 $url_parts = @parse_url($link);
 455
 456                 if ( empty( $url_parts["host"] ) )
 457                                 return false;
 458
 459                 if ( !empty( $url_parts["path"] ) ) {
 460                                 $documentpath = $url_parts["path"];
 461                 } else {
 462                                 $documentpath = "/";
 463                 }
 464
 465                 if ( !empty( $url_parts["query"] ) )
 466                                 $documentpath .= "?" . $url_parts["query"];
 467
 468                 $host = $url_parts["host"];
 469                 $port = $url_parts["port"];
 470
 471                 if ( empty($port) )
 472                                 $port = "80";
 473
 474                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 475
 476                 if ( !$socket )
 477                                 return false;
 478
 479                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 480
 481                 $http_response = fgets( $socket, 22 );
 482
 483                 $responses = "/(200 OK)|(30[0-9] Moved)/";
 484                 if ( preg_match($responses, $http_response) ) {
 485                                 fclose($socket);
 486                                 return true;
 487                 } else {
 488                                 return false;
 489                 }
 490
 491         } // function url_validate
 492
 493         function check_feed_favicon($site_url, $feed, $link) {
 494                 $favicon_url = get_favicon_url($site_url);
 495
 496 #               print "FAVICON [$site_url]: $favicon_url\n";
 497
 498                 error_reporting(0);
 499
 500                 $icon_file = ICONS_DIR . "/$feed.ico";
 501
 502                 if ($favicon_url && !file_exists($icon_file)) {
 503                         $contents = fetch_file_contents($favicon_url);
 504
 505                         $fp = fopen($icon_file, "w");
 506
 507                         if ($fp) {
 508                                 fwrite($fp, $contents);
 509                                 fclose($fp);
 510                                 chmod($icon_file, 0644);
 511                         }
 512                 }
 513
 514                 error_reporting(DEFAULT_ERROR_LEVEL);
 515
 516         }
 517
 518         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 519
 520                 if (!$_GET["daemon"] && !$ignore_daemon) {
 521                         return false;
 522                 }
 523
 524                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 525                         _debug("update_rss_feed: start");
 526                 }
 527
 528                 if (!$ignore_daemon) {
 529
 530                         if (DB_TYPE == "pgsql") {
 531                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 532                                 } else {
 533                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 534                                 }
 535
 536                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 537                                 auth_pass,cache_images,update_method
 538                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 539
 540                 } else {
 541
 542                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 543                                 auth_pass,cache_images,update_method
 544                                 FROM ttrss_feeds WHERE id = '$feed'");
 545
 546                 }
 547
 548                 if (db_num_rows($result) == 0) {
 549                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 550                                 _debug("update_rss_feed: feed $feed [$feed_url] NOT FOUND/SKIPPED");
 551                         }
 552                         return false;
 553                 }
 554
 555                 $update_method = db_fetch_result($result, 0, "update_method");
 556
 557                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 558                         WHERE id = '$feed'");
 559
 560                 $auth_login = db_fetch_result($result, 0, "auth_login");
 561                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 562
 563                 if (ALLOW_SELECT_UPDATE_METHOD) {
 564                         if (ENABLE_SIMPLEPIE) {
 565                                 $use_simplepie = $update_method != 1;
 566                         } else {
 567                                 $use_simplepie = $update_method == 2;
 568                         }
 569                 } else {
 570                         $use_simplepie = ENABLE_SIMPLEPIE;
 571                 }
 572
 573                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 574                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 575                 }
 576
 577                 if (!$use_simplepie) {
 578                         $auth_login = urlencode($auth_login);
 579                         $auth_pass = urlencode($auth_pass);
 580                 }
 581
 582                 $update_interval = db_fetch_result($result, 0, "update_interval");
 583                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 584
 585                 if ($update_interval < 0) { return; }
 586
 587                 $feed = db_escape_string($feed);
 588
 589                 $fetch_url = $feed_url;
 590
 591                 if ($auth_login && $auth_pass) {
 592                         $url_parts = array();
 593                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 594
 595                         if ($url_parts[1] && $url_parts[2]) {
 596                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 597                         }
 598
 599                 }
 600
 601                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 602                         _debug("update_rss_feed: fetching [$fetch_url]...");
 603                 }
 604
 605                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_GET['xdebug']) {
 606                         error_reporting(0);
 607                 }
 608
 609                 if (!$use_simplepie) {
 610                         $rss = fetch_rss($fetch_url);
 611                 } else {
 612                         if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 613                                 mkdir(SIMPLEPIE_CACHE_DIR);
 614                         }
 615
 616                         $rss = new SimplePie();
 617                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 618 #                       $rss->set_timeout(10);
 619                         $rss->set_feed_url($fetch_url);
 620                         $rss->set_output_encoding('UTF-8');
 621
 622                         if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 623                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 624                                         _debug("enabling image cache");
 625                                 }
 626
 627                                 $rss->set_image_handler('./image.php', 'i');
 628                         }
 629
 630                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 631                                 _debug("feed update interval (sec): " .
 632                                         get_feed_update_interval($link, $feed)*60);
 633                         }
 634
 635                         if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 636                                 $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 637                                 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 638                         }
 639
 640                         $rss->init();
 641                 }
 642
 643 //              print_r($rss);
 644
 645                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 646                         _debug("update_rss_feed: fetch done, parsing...");
 647                 } else {
 648                         error_reporting (DEFAULT_ERROR_LEVEL);
 649                 }
 650
 651                 $feed = db_escape_string($feed);
 652
 653                 if ($use_simplepie) {
 654                         $fetch_ok = !$rss->error();
 655                 } else {
 656                         $fetch_ok = !!$rss;
 657                 }
 658
 659                 if ($fetch_ok) {
 660
 661                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 662                                 _debug("update_rss_feed: processing feed data...");
 663                         }
 664
 665 //                      db_query($link, "BEGIN");
 666
 667                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 668                                 FROM ttrss_feeds WHERE id = '$feed'");
 669
 670                         $registered_title = db_fetch_result($result, 0, "title");
 671                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 672                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 673
 674                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 675
 676                         if ($use_simplepie) {
 677                                 $site_url = $rss->get_link();
 678                         } else {
 679                                 $site_url = $rss->channel["link"];
 680                         }
 681
 682                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 683                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 684                                         _debug("update_rss_feed: checking favicon...");
 685                                 }
 686
 687                                 check_feed_favicon($site_url, $feed, $link);
 688                         }
 689
 690                         if (!$registered_title || $registered_title == "[Unknown]") {
 691
 692                                 if ($use_simplepie) {
 693                                         $feed_title = db_escape_string($rss->get_title());
 694                                 } else {
 695                                         $feed_title = db_escape_string($rss->channel["title"]);
 696                                 }
 697
 698                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 699                                         _debug("update_rss_feed: registering title: $feed_title");
 700                                 }
 701
 702                                 db_query($link, "UPDATE ttrss_feeds SET
 703                                         title = '$feed_title' WHERE id = '$feed'");
 704                         }
 705
 706                         // weird, weird Magpie
 707                         if (!$use_simplepie) {
 708                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 709                         }
 710
 711                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 712                                 db_query($link, "UPDATE ttrss_feeds SET
 713                                         site_url = '$site_url' WHERE id = '$feed'");
 714                         }
 715
 716 //                      print "I: " . $rss->channel["image"]["url"];
 717
 718                         if (!$use_simplepie) {
 719                                 $icon_url = $rss->image["url"];
 720                         } else {
 721                                 $icon_url = $rss->get_image_url();
 722                         }
 723
 724                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 725                                 $icon_url = db_escape_string($icon_url);
 726                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 727                         }
 728
 729                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 730                                 _debug("update_rss_feed: loading filters...");
 731                         }
 732
 733                         $filters = load_filters($link, $feed, $owner_uid);
 734
 735                         if ($use_simplepie) {
 736                                 $iterator = $rss->get_items();
 737                         } else {
 738                                 $iterator = $rss->items;
 739                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 740                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 741                         }
 742
 743                         if (!is_array($iterator)) {
 744                                 /* db_query($link, "UPDATE ttrss_feeds
 745                                         SET last_error = 'Parse error: can\'t find any articles.'
 746                                         WHERE id = '$feed'"); */
 747
 748                                 // clear any errors and mark feed as updated if fetched okay
 749                                 // even if it's blank
 750
 751                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 752                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 753                                 }
 754
 755                                 db_query($link, "UPDATE ttrss_feeds
 756                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 757
 758                                 return; // no articles
 759                         }
 760
 761                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 762                                 _debug("update_rss_feed: processing articles...");
 763                         }
 764
 765                         foreach ($iterator as $item) {
 766
 767                                 if ($_GET['xdebug']) {
 768                                         print_r($item);
 769
 770                                 }
 771
 772                                 if ($use_simplepie) {
 773                                         $entry_guid = $item->get_id();
 774                                         if (!$entry_guid) $entry_guid = $item->get_link();
 775                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 776
 777                                 } else {
 778
 779                                         $entry_guid = $item["id"];
 780
 781                                         if (!$entry_guid) $entry_guid = $item["guid"];
 782                                         if (!$entry_guid) $entry_guid = $item["link"];
 783                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 784                                 }
 785
 786                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 787                                         _debug("update_rss_feed: guid $entry_guid");
 788                                 }
 789
 790                                 if (!$entry_guid) continue;
 791
 792                                 $entry_timestamp = "";
 793
 794                                 if ($use_simplepie) {
 795                                         $entry_timestamp = strtotime($item->get_date());
 796                                 } else {
 797                                         $rss_2_date = $item['pubdate'];
 798                                         $rss_1_date = $item['dc']['date'];
 799                                         $atom_date = $item['issued'];
 800                                         if (!$atom_date) $atom_date = $item['updated'];
 801
 802                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 803                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 804                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 805                                 }
 806
 807                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 808                                         _debug("update_rss_feed: date $entry_timestamp");
 809                                 }
 810
 811                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 812                                         $entry_timestamp = time();
 813                                         $no_orig_date = 'true';
 814                                 } else {
 815                                         $no_orig_date = 'false';
 816                                 }
 817
 818                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 819
 820                                 if ($use_simplepie) {
 821                                         $entry_title = $item->get_title();
 822                                 } else {
 823                                         $entry_title = trim(strip_tags($item["title"]));
 824                                 }
 825
 826                                 if ($use_simplepie) {
 827                                         $entry_link = $item->get_link();
 828                                 } else {
 829                                         // strange Magpie workaround
 830                                         $entry_link = $item["link_"];
 831                                         if (!$entry_link) $entry_link = $item["link"];
 832                                 }
 833
 834                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 835                                         _debug("update_rss_feed: title $entry_title");
 836                                 }
 837
 838                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 839
 840                                 $entry_link = strip_tags($entry_link);
 841
 842                                 if ($use_simplepie) {
 843                                         $entry_content = $item->get_content();
 844                                         if (!$entry_content) $entry_content = $item->get_description();
 845                                 } else {
 846                                         $entry_content = $item["content:escaped"];
 847
 848                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 849                                         if (!$entry_content) $entry_content = $item["content"];
 850
 851                                         // Magpie bugs are getting ridiculous
 852                                         if (trim($entry_content) == "Array") $entry_content = false;
 853
 854                                         if (!$entry_content) $entry_content = $item["atom_content"];
 855                                         if (!$entry_content) $entry_content = $item["summary"];
 856                                         if (!$entry_content) $entry_content = $item["description"];
 857
 858                                         // WTF
 859                                         if (is_array($entry_content)) {
 860                                                 $entry_content = $entry_content["encoded"];
 861                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 862                                         }
 863                                 }
 864
 865                                 if ($_GET["xdebug"]) {
 866                                         print "update_rss_feed: content: ";
 867                                         print_r(htmlspecialchars($entry_content));
 868                                 }
 869
 870                                 $entry_content_unescaped = $entry_content;
 871
 872                                 if ($use_simplepie) {
 873                                         $entry_comments = strip_tags($item->data["comments"]);
 874                                         if ($item->get_author()) {
 875                                                 $entry_author_item = $item->get_author();
 876                                                 $entry_author = $entry_author_item->get_name();
 877                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 878
 879                                                 $entry_author = db_escape_string($entry_author);
 880                                         }
 881                                 } else {
 882                                         $entry_comments = strip_tags($item["comments"]);
 883
 884                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 885
 886                                         if ($item['author']) {
 887
 888                                                 if (is_array($item['author'])) {
 889
 890                                                         if (!$entry_author) {
 891                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 892                                                         }
 893
 894                                                         if (!$entry_author) {
 895                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 896                                                         }
 897                                                 }
 898
 899                                                 if (!$entry_author) {
 900                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 901                                                 }
 902                                         }
 903                                 }
 904
 905                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 906
 907                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 908                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 909
 910                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 911                                         WHERE guid = '$entry_guid'");
 912
 913                                 $entry_content = db_escape_string($entry_content);
 914
 915                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 916
 917                                 $entry_title = db_escape_string($entry_title);
 918                                 $entry_link = db_escape_string($entry_link);
 919                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 920                                 $entry_author = mb_substr($entry_author, 0, 250);
 921
 922                                 if ($use_simplepie) {
 923                                         $num_comments = 0; #FIXME#
 924                                 } else {
 925                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 926                                 }
 927
 928                                 if (!$num_comments) $num_comments = 0;
 929
 930                                 // parse <category> entries into tags
 931
 932                                 if ($use_simplepie) {
 933
 934                                         $additional_tags = array();
 935                                         $additional_tags_src = $item->get_categories();
 936
 937                                         if (is_array($additional_tags_src)) {
 938                                                 foreach ($additional_tags_src as $tobj) {
 939                                                         array_push($additional_tags, $tobj->get_term());
 940                                                 }
 941                                         }
 942
 943                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 944                                                 _debug("update_rss_feed: category tags:");
 945                                                 print_r($additional_tags);
 946                                         }
 947
 948                                 } else {
 949
 950                                         $t_ctr = $item['category#'];
 951
 952                                         $additional_tags = false;
 953
 954                                         if ($t_ctr == 0) {
 955                                                 $additional_tags = false;
 956                                         } else if ($t_ctr > 0) {
 957                                                 $additional_tags = array($item['category']);
 958
 959                                                 if ($item['category@term']) {
 960                                                         array_push($additional_tags, $item['category@term']);
 961                                                 }
 962
 963                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 964                                                         if ($item["category#$i"]) {
 965                                                                 array_push($additional_tags, $item["category#$i"]);
 966                                                         }
 967
 968                                                         if ($item["category#$i@term"]) {
 969                                                                 array_push($additional_tags, $item["category#$i@term"]);
 970                                                         }
 971                                                 }
 972                                         }
 973
 974                                         // parse <dc:subject> elements
 975
 976                                         $t_ctr = $item['dc']['subject#'];
 977
 978                                         if ($t_ctr > 0) {
 979                                                 $additional_tags = array($item['dc']['subject']);
 980
 981                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 982                                                         if ($item['dc']["subject#$i"]) {
 983                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
 984                                                         }
 985                                                 }
 986                                         }
 987                                 }
 988
 989                                 // enclosures
 990
 991                                 $enclosures = array();
 992
 993                                 if ($use_simplepie) {
 994                                         $encs = $item->get_enclosures();
 995
 996                                         if (is_array($encs)) {
 997                                                 foreach ($encs as $e) {
 998                                                         $e_item = array(
 999                                                                 $e->link, $e->type, $e->length);
1000
1001                                                         array_push($enclosures, $e_item);
1002                                                 }
1003                                         }
1004
1005                                 } else {
1006                                         $e_ctr = $item['enclosure#'];
1007
1008                                         if ($e_ctr > 0) {
1009                                                 $e_item = array($item['enclosure@url'],
1010                                                         $item['enclosure@type'],
1011                                                         $item['enclosure@length']);
1012
1013                                                 array_push($enclosures, $e_item);
1014
1015                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1016
1017                                                         if ($item["enclosure#$i@url"]) {
1018                                                                 $e_item = array($item["enclosure#$i@url"],
1019                                                                         $item["enclosure#$i@type"],
1020                                                                         $item["enclosure#$i@length"]);
1021                                                                 array_push($enclosures, $e_item);
1022                                                         }
1023                                                 }
1024                                         }
1025
1026                                 }
1027
1028                                 # sanitize content
1029
1030                                 $entry_content = sanitize_article_content($entry_content);
1031                                 $entry_title = sanitize_article_content($entry_title);
1032
1033                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1034                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1035                                 }
1036
1037                                 db_query($link, "BEGIN");
1038
1039                                 if (db_num_rows($result) == 0) {
1040
1041                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1042                                                 _debug("update_rss_feed: base guid not found");
1043                                         }
1044
1045                                         // base post entry does not exist, create it
1046
1047                                         $result = db_query($link,
1048                                                 "INSERT INTO ttrss_entries
1049                                                         (title,
1050                                                         guid,
1051                                                         link,
1052                                                         updated,
1053                                                         content,
1054                                                         content_hash,
1055                                                         no_orig_date,
1056                                                         date_entered,
1057                                                         comments,
1058                                                         num_comments,
1059                                                         author)
1060                                                 VALUES
1061                                                         ('$entry_title',
1062                                                         '$entry_guid',
1063                                                         '$entry_link',
1064                                                         '$entry_timestamp_fmt',
1065                                                         '$entry_content',
1066                                                         '$content_hash',
1067                                                         $no_orig_date,
1068                                                         NOW(),
1069                                                         '$entry_comments',
1070                                                         '$num_comments',
1071                                                         '$entry_author')");
1072                                 } else {
1073                                         // we keep encountering the entry in feeds, so we need to
1074                                         // update date_entered column so that we don't get horrible
1075                                         // dupes when the entry gets purged and reinserted again e.g.
1076                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1077
1078                                         $base_entry_id = db_fetch_result($result, 0, "id");
1079
1080                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1081                                                 WHERE id = '$base_entry_id'");
1082                                 }
1083
1084                                 // now it should exist, if not - bad luck then
1085
1086                                 $result = db_query($link, "SELECT
1087                                                 id,content_hash,no_orig_date,title,
1088                                                 ".SUBSTRING_FOR_DATE."(date_entered,1,19) as date_entered,
1089                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1090                                                 num_comments
1091                                         FROM
1092                                                 ttrss_entries
1093                                         WHERE guid = '$entry_guid'");
1094
1095                                 $entry_ref_id = 0;
1096                                 $entry_int_id = 0;
1097
1098                                 if (db_num_rows($result) == 1) {
1099
1100                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1101                                                 _debug("update_rss_feed: base guid found, checking for user record");
1102                                         }
1103
1104                                         // this will be used below in update handler
1105                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1106                                         $orig_title = db_fetch_result($result, 0, "title");
1107                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1108                                         $orig_date_entered = strtotime(db_fetch_result($result,
1109                                                 0, "date_entered"));
1110
1111                                         $ref_id = db_fetch_result($result, 0, "id");
1112                                         $entry_ref_id = $ref_id;
1113
1114                                         // check for user post link to main table
1115
1116                                         // do we allow duplicate posts with same GUID in different feeds?
1117                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1118                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
1119                                         } else {
1120                                                 $dupcheck_qpart = "";
1121                                         }
1122
1123 //                                      error_reporting(0);
1124
1125                                         $article_filters = get_article_filters($filters, $entry_title,
1126                                                         $entry_content, $entry_link);
1127
1128                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1129                                                 _debug("update_rss_feed: article filters: ");
1130                                                 if (count($article_filters) != 0) {
1131                                                         print_r($article_filters);
1132                                                 }
1133                                         }
1134
1135                                         if (find_article_filter($article_filters, "filter")) {
1136                                                 continue;
1137                                         }
1138
1139 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1140
1141                                         $score = calculate_article_score($article_filters);
1142
1143                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1144                                                 _debug("update_rss_feed: initial score: $score");
1145                                         }
1146
1147                                         $result = db_query($link,
1148                                                 "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1149                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1150                                                         $dupcheck_qpart");
1151
1152                                         // okay it doesn't exist - create user entry
1153                                         if (db_num_rows($result) == 0) {
1154
1155                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1156                                                         _debug("update_rss_feed: user record not found, creating...");
1157                                                 }
1158
1159                                                 if (!find_article_filter($article_filters, 'catchup')) {
1160                                                         $unread = 'true';
1161                                                         $last_read_qpart = 'NULL';
1162                                                 } else {
1163                                                         $unread = 'false';
1164                                                         $last_read_qpart = 'NOW()';
1165                                                 }
1166
1167                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1168                                                         $marked = 'true';
1169                                                 } else {
1170                                                         $marked = 'false';
1171                                                 }
1172
1173                                                 if (find_article_filter($article_filters, 'publish')) {
1174                                                         $published = 'true';
1175                                                 } else {
1176                                                         $published = 'false';
1177                                                 }
1178
1179                                                 $result = db_query($link,
1180                                                         "INSERT INTO ttrss_user_entries
1181                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1182                                                                         published, score)
1183                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1184                                                                 $last_read_qpart, $marked, $published, '$score')");
1185
1186                                                 $result = db_query($link,
1187                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1188                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1189                                                                 feed_id = '$feed' LIMIT 1");
1190
1191                                                 if (db_num_rows($result) == 1) {
1192                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1193                                                 }
1194                                         } else {
1195                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1196                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1197                                         }
1198
1199                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1200                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1201                                         }
1202
1203                                         $post_needs_update = false;
1204
1205                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1206                                                 ($content_hash != $orig_content_hash)) {
1207 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1208                                                 $post_needs_update = true;
1209                                         }
1210
1211                                         if (db_escape_string($orig_title) != $entry_title) {
1212                                                 $post_needs_update = true;
1213                                         }
1214
1215                                         if ($orig_num_comments != $num_comments) {
1216                                                 $post_needs_update = true;
1217                                         }
1218
1219 //                                      this doesn't seem to be very reliable
1220 //
1221 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1222 //                                              $post_needs_update = true;
1223 //                                      }
1224
1225                                         // if post needs update, update it and mark all user entries
1226                                         // linking to this post as updated
1227                                         if ($post_needs_update) {
1228
1229                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1230                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1231                                                 }
1232
1233 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1234
1235                                                 db_query($link, "UPDATE ttrss_entries
1236                                                         SET title = '$entry_title', content = '$entry_content',
1237                                                                 content_hash = '$content_hash',
1238                                                                 num_comments = '$num_comments'
1239                                                         WHERE id = '$ref_id'");
1240
1241                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1242                                                         db_query($link, "UPDATE ttrss_user_entries
1243                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1244                                                 } else {
1245                                                         db_query($link, "UPDATE ttrss_user_entries
1246                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1247                                                 }
1248
1249                                         }
1250                                 }
1251
1252                                 db_query($link, "COMMIT");
1253
1254                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1255                                         _debug("update_rss_feed: looking for enclosures...");
1256                                 }
1257
1258                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1259                                         print_r($enclosures);
1260                                 }
1261
1262                                 db_query($link, "BEGIN");
1263
1264                                 foreach ($enclosures as $enc) {
1265                                         $enc_url = db_escape_string($enc[0]);
1266                                         $enc_type = db_escape_string($enc[1]);
1267                                         $enc_dur = db_escape_string($enc[2]);
1268
1269                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1270                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1271
1272                                         if (db_num_rows($result) == 0) {
1273                                                 db_query($link, "INSERT INTO ttrss_enclosures
1274                                                         (content_url, content_type, title, duration, post_id) VALUES
1275                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1276                                         }
1277                                 }
1278
1279                                 db_query($link, "COMMIT");
1280
1281                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1282                                         _debug("update_rss_feed: looking for tags...");
1283                                 }
1284
1285                                 /* taaaags */
1286                                 // <a href="..." rel="tag">Xorg</a>, //
1287
1288                                 $entry_tags = null;
1289
1290                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1291                                         $entry_content_unescaped, $entry_tags);
1292
1293 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1294                                 print_r($entry_tags);
1295                                 print "<br/></p>"; */
1296
1297                                 $entry_tags = $entry_tags[1];
1298
1299                                 # check for manual tags
1300
1301                                 $tag_filter = find_article_filter($article_filters, "tag");
1302
1303                                 if ($tag_filter) {
1304
1305                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1306
1307                                         foreach ($manual_tags as $tag) {
1308                                                 if (tag_is_valid($tag)) {
1309                                                         array_push($entry_tags, $tag);
1310                                                 }
1311                                         }
1312                                 }
1313
1314                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1315                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1316
1317                                 if ($additional_tags && is_array($additional_tags)) {
1318                                         foreach ($additional_tags as $tag) {
1319                                                 if (tag_is_valid($tag) &&
1320                                                                 array_search($tag, $boring_tags) === FALSE) {
1321                                                         array_push($entry_tags, $tag);
1322                                                 }
1323                                         }
1324                                 }
1325
1326 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1327
1328                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1329                                         print_r($entry_tags);
1330                                 }
1331
1332                                 if (count($entry_tags) > 0) {
1333
1334                                         db_query($link, "BEGIN");
1335
1336                                                 foreach ($entry_tags as $tag) {
1337
1338                                                         $tag = sanitize_tag($tag);
1339                                                         $tag = db_escape_string($tag);
1340
1341                                                         if (!tag_is_valid($tag)) continue;
1342
1343                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1344                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1345                                                                 owner_uid = '$owner_uid' LIMIT 1");
1346
1347         //                                              print db_fetch_result($result, 0, "id");
1348
1349                                                         if ($result && db_num_rows($result) == 0) {
1350
1351                                                                 db_query($link, "INSERT INTO ttrss_tags
1352                                                                         (owner_uid,tag_name,post_int_id)
1353                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1354                                                         }
1355                                                 }
1356
1357                                         db_query($link, "COMMIT");
1358                                 }
1359
1360                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1361                                         _debug("update_rss_feed: article processed");
1362                                 }
1363                         }
1364
1365                         db_query($link, "UPDATE ttrss_feeds
1366                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1367
1368 //                      db_query($link, "COMMIT");
1369
1370                 } else {
1371
1372                         if ($use_simplepie) {
1373                                 $error_msg = mb_substr($rss->error(), 0, 250);
1374                         } else {
1375                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1376                         }
1377
1378                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1379                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1380                         }
1381
1382                         $error_msg = db_escape_string($error_msg);
1383
1384                         db_query($link,
1385                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1386                                         last_updated = NOW() WHERE id = '$feed'");
1387                 }
1388
1389                 if ($use_simplepie) {
1390                         unset($rss);
1391                 }
1392
1393                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1394                         _debug("update_rss_feed: done");
1395                 }
1396
1397         }
1398
1399         function print_select($id, $default, $values, $attributes = "") {
1400                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1401                 foreach ($values as $v) {
1402                         if ($v == $default)
1403                                 $sel = " selected";
1404                          else
1405                                 $sel = "";
1406
1407                         print "<option$sel>$v</option>";
1408                 }
1409                 print "</select>";
1410         }
1411
1412         function print_select_hash($id, $default, $values, $attributes = "") {
1413                 print "<select name=\"$id\" id='$id' $attributes>";
1414                 foreach (array_keys($values) as $v) {
1415                         if ($v == $default)
1416                                 $sel = "selected";
1417                          else
1418                                 $sel = "";
1419
1420                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1421                 }
1422
1423                 print "</select>";
1424         }
1425
1426         function get_article_filters($filters, $title, $content, $link) {
1427                 $matches = array();
1428
1429                 if ($filters["title"]) {
1430                         foreach ($filters["title"] as $filter) {
1431                                 $reg_exp = $filter["reg_exp"];
1432                                 $inverse = $filter["inverse"];
1433                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1434                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1435
1436                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1437                                 }
1438                         }
1439                 }
1440
1441                 if ($filters["content"]) {
1442                         foreach ($filters["content"] as $filter) {
1443                                 $reg_exp = $filter["reg_exp"];
1444                                 $inverse = $filter["inverse"];
1445
1446                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1447                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1448
1449                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1450                                 }
1451                         }
1452                 }
1453
1454                 if ($filters["both"]) {
1455                         foreach ($filters["both"] as $filter) {
1456                                 $reg_exp = $filter["reg_exp"];
1457                                 $inverse = $filter["inverse"];
1458
1459                                 if ($inverse) {
1460                                         if (!preg_match("/$reg_exp/i", $title) || !preg_match("/$reg_exp/i", $content)) {
1461                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1462                                         }
1463                                 } else {
1464                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1465                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1466                                         }
1467                                 }
1468                         }
1469                 }
1470
1471                 if ($filters["link"]) {
1472                         $reg_exp = $filter["reg_exp"];
1473                         foreach ($filters["link"] as $filter) {
1474                                 $reg_exp = $filter["reg_exp"];
1475                                 $inverse = $filter["inverse"];
1476
1477                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1478                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1479
1480                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1481                                 }
1482                         }
1483                 }
1484
1485                 return $matches;
1486         }
1487
1488         function find_article_filter($filters, $filter_name) {
1489                 foreach ($filters as $f) {
1490                         if ($f[0] == $filter_name) {
1491                                 return $f;
1492                         };
1493                 }
1494                 return false;
1495         }
1496
1497         function calculate_article_score($filters) {
1498                 $score = 0;
1499
1500                 foreach ($filters as $f) {
1501                         if ($f[0] == "score") {
1502                                 $score += $f[1];
1503                         };
1504                 }
1505                 return $score;
1506         }
1507
1508
1509         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1510                 $rtl_content = false, $last_updated = false, $last_error = false) {
1511
1512                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1513                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1514                 } else {
1515                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1516                 }
1517
1518                 if ($rtl_content) {
1519                         $rtl_tag = "dir=\"rtl\"";
1520                 } else {
1521                         $rtl_tag = "dir=\"ltr\"";
1522                 }
1523
1524                 $error_notify_msg = "";
1525
1526                 if ($last_error) {
1527                         $link_title = "Error: $last_error ($last_updated)";
1528                         $error_notify_msg = "(Error)";
1529                 } else if ($last_updated) {
1530                         $link_title = "Updated: $last_updated";
1531                 }
1532
1533                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1534                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1535
1536                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1537                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1538                         print "$feed_icon";
1539                 }
1540
1541                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1542
1543                 if ($unread != 0) {
1544                         $fctr_class = "";
1545                 } else {
1546                         $fctr_class = "class=\"invisible\"";
1547                 }
1548
1549                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1550                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1551
1552                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1553                         print "<div class=\"feedExtInfo\">
1554                                 <span id=\"FLUPD-$feed_id\">$last_updated $error_notify_msg</span></div>";
1555                 }
1556
1557                 print "</li>";
1558
1559         }
1560
1561         function getmicrotime() {
1562                 list($usec, $sec) = explode(" ",microtime());
1563                 return ((float)$usec + (float)$sec);
1564         }
1565
1566         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1567                 foreach ($values as $v) {
1568
1569                         if ($v == $default)
1570                                 $sel = "checked";
1571                          else
1572                                 $sel = "";
1573
1574                         if ($v == $true_is) {
1575                                 $sel .= " value=\"1\"";
1576                         } else {
1577                                 $sel .= " value=\"0\"";
1578                         }
1579
1580                         print "<input class=\"noborder\"
1581                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1582
1583                 }
1584         }
1585
1586         function initialize_user_prefs($link, $uid) {
1587
1588                 $uid = db_escape_string($uid);
1589
1590                 db_query($link, "BEGIN");
1591
1592                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1593
1594                 $u_result = db_query($link, "SELECT pref_name
1595                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1596
1597                 $active_prefs = array();
1598
1599                 while ($line = db_fetch_assoc($u_result)) {
1600                         array_push($active_prefs, $line["pref_name"]);
1601                 }
1602
1603                 while ($line = db_fetch_assoc($result)) {
1604                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1605 //                              print "adding " . $line["pref_name"] . "<br>";
1606
1607                                 db_query($link, "INSERT INTO ttrss_user_prefs
1608                                         (owner_uid,pref_name,value) VALUES
1609                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1610
1611                         }
1612                 }
1613
1614                 db_query($link, "COMMIT");
1615
1616         }
1617
1618         function lookup_user_id($link, $user) {
1619
1620                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1621                         login = '$login'");
1622
1623                 if (db_num_rows($result) == 1) {
1624                         return db_fetch_result($result, 0, "id");
1625                 } else {
1626                         return false;
1627                 }
1628         }
1629
1630         function http_authenticate_user($link) {
1631
1632                 error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1633
1634                 if (!$_SERVER["PHP_AUTH_USER"]) {
1635
1636                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1637                         header('HTTP/1.0 401 Unauthorized');
1638                         exit;
1639
1640                 } else {
1641                         $auth_result = authenticate_user($link,
1642                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1643
1644                         if (!$auth_result) {
1645                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1646                                 header('HTTP/1.0 401 Unauthorized');
1647                                 exit;
1648                         }
1649                 }
1650
1651                 return true;
1652         }
1653
1654         function authenticate_user($link, $login, $password, $force_auth = false) {
1655
1656                 if (!SINGLE_USER_MODE) {
1657
1658                         $pwd_hash1 = encrypt_password($password);
1659                         $pwd_hash2 = encrypt_password($password, $login);
1660
1661                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1662                                         && $_SERVER["REMOTE_USER"]) {
1663
1664                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1665
1666                                 $query = "SELECT id,login,access_level
1667                     FROM ttrss_users WHERE
1668                                         login = '$login'";
1669
1670                         } else {
1671                                 $query = "SELECT id,login,access_level,pwd_hash
1672                     FROM ttrss_users WHERE
1673                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1674                                                 pwd_hash = '$pwd_hash2')";
1675                         }
1676
1677                         $result = db_query($link, $query);
1678
1679                         if (db_num_rows($result) == 1) {
1680                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1681                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1682                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1683
1684                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1685                                         $_SESSION["uid"]);
1686
1687                                 $user_theme = get_user_theme_path($link);
1688
1689                                 $_SESSION["theme"] = $user_theme;
1690                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1691                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1692
1693                                 initialize_user_prefs($link, $_SESSION["uid"]);
1694
1695                                 return true;
1696                         }
1697
1698                         return false;
1699
1700                 } else {
1701
1702                         $_SESSION["uid"] = 1;
1703                         $_SESSION["name"] = "admin";
1704
1705                         $user_theme = get_user_theme_path($link);
1706
1707                         $_SESSION["theme"] = $user_theme;
1708                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1709
1710                         initialize_user_prefs($link, $_SESSION["uid"]);
1711
1712                         return true;
1713                 }
1714         }
1715
1716         function make_password($length = 8) {
1717
1718                 $password = "";
1719                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1720
1721         $i = 0;
1722
1723                 while ($i < $length) {
1724                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1725
1726                         if (!strstr($password, $char)) {
1727                                 $password .= $char;
1728                                 $i++;
1729                         }
1730                 }
1731                 return $password;
1732         }
1733
1734         // this is called after user is created to initialize default feeds, labels
1735         // or whatever else
1736
1737         // user preferences are checked on every login, not here
1738
1739         function initialize_user($link, $uid) {
1740
1741                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1742                         values ('$uid','unread = true', 'Unread articles')");
1743
1744                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1745                         values ('$uid','last_read is null and unread = false', 'Updated articles')");
1746
1747                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1748                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1749                         'http://tt-rss.spb.ru/releases.rss')");
1750
1751                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1752                         values ('$uid', 'Tiny Tiny RSS: Forum',
1753                         'http://tt-rss.spb.ru/forum/rss.php')");
1754         }
1755
1756         function logout_user() {
1757                 session_destroy();
1758                 if (isset($_COOKIE[session_name()])) {
1759                    setcookie(session_name(), '', time()-42000, '/');
1760                 }
1761         }
1762
1763         function get_script_urlpath() {
1764                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1765         }
1766
1767         function validate_session($link) {
1768                 if (SINGLE_USER_MODE) {
1769                         return true;
1770                 }
1771
1772                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1773                         if ($_SESSION["ip_address"]) {
1774                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1775                                         $_SESSION["login_error_msg"] = "Session failed to validate (incorrect IP)";
1776                                         return false;
1777                                 }
1778                         }
1779                 }
1780
1781                 if ($_SESSION["uid"]) {
1782
1783                         $result = db_query($link,
1784                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1785
1786                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1787
1788                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1789                                 return false;
1790                         }
1791                 }
1792
1793 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1794
1795                         //print_r($_SESSION);
1796
1797                         if (time() > $_SESSION["cookie_lifetime"]) {
1798                                 return false;
1799                         }
1800                 } */
1801
1802                 return true;
1803         }
1804
1805         function login_sequence($link, $mobile = false) {
1806                 if (!SINGLE_USER_MODE) {
1807
1808                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1809                                 $swu = db_escape_string($_REQUEST["swu"]);
1810                                 if ($swu) {
1811                                         $_SESSION["prefs_cache"] = false;
1812                                         return authenticate_user($link, $swu, null, true);
1813                                 }
1814                         }
1815
1816                         $login_action = $_POST["login_action"];
1817
1818                         # try to authenticate user if called from login form
1819                         if ($login_action == "do_login") {
1820                                 $login = $_POST["login"];
1821                                 $password = $_POST["password"];
1822                                 $remember_me = $_POST["remember_me"];
1823
1824                                 if (authenticate_user($link, $login, $password)) {
1825                                         $_POST["password"] = "";
1826
1827                                         $_SESSION["language"] = $_POST["language"];
1828
1829                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1830                                         exit;
1831
1832                                         return;
1833                                 } else {
1834                                         $_SESSION["login_error_msg"] = "Incorrect username or password";
1835                                 }
1836                         }
1837
1838 //                      print session_id();
1839 //                      print_r($_SESSION);
1840
1841                         if (!$_SESSION["uid"] || !validate_session($link)) {
1842                                 render_login_form($link, $mobile);
1843                                 exit;
1844                         } else {
1845                                 /* bump login timestamp */
1846                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1847                                         $_SESSION["uid"]);
1848
1849                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1850                                         setcookie("ttrss_lang", $_SESSION["language"],
1851                                                 time() + SESSION_COOKIE_LIFETIME);
1852                                 }
1853                         }
1854
1855                 } else {
1856                         return authenticate_user($link, "admin", null);
1857                 }
1858         }
1859
1860         function truncate_string($str, $max_len) {
1861                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1862                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
1863                 } else {
1864                         return $str;
1865                 }
1866         }
1867
1868         function get_user_theme_path($link) {
1869                 $result = db_query($link, "SELECT theme_path
1870                         FROM
1871                                 ttrss_themes,ttrss_users
1872                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1873                 if (db_num_rows($result) != 0) {
1874                         return db_fetch_result($result, 0, "theme_path");
1875                 } else {
1876                         return null;
1877                 }
1878         }
1879
1880         function smart_date_time($timestamp) {
1881                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1882                         return date("G:i", $timestamp);
1883                 } else if (date("Y", $timestamp) == date("Y")) {
1884                         return date("M d, G:i", $timestamp);
1885                 } else {
1886                         return date("Y/m/d, G:i", $timestamp);
1887                 }
1888         }
1889
1890         function smart_date($timestamp) {
1891                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1892                         return "Today";
1893                 } else if (date("Y", $timestamp) == date("Y")) {
1894                         return date("D m", $timestamp);
1895                 } else {
1896                         return date("Y/m/d", $timestamp);
1897                 }
1898         }
1899
1900         function sql_bool_to_string($s) {
1901                 if ($s == "t" || $s == "1") {
1902                         return "true";
1903                 } else {
1904                         return "false";
1905                 }
1906         }
1907
1908         function sql_bool_to_bool($s) {
1909                 if ($s == "t" || $s == "1") {
1910                         return true;
1911                 } else {
1912                         return false;
1913                 }
1914         }
1915
1916
1917         function toggleEvenOdd($a) {
1918                 if ($a == "even")
1919                         return "odd";
1920                 else
1921                         return "even";
1922         }
1923
1924         function sanity_check($link) {
1925
1926                 error_reporting(0);
1927
1928                 $error_code = 0;
1929                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1930                 $schema_version = db_fetch_result($result, 0, "schema_version");
1931
1932                 if ($schema_version != SCHEMA_VERSION) {
1933                         $error_code = 5;
1934                 }
1935
1936                 if (DB_TYPE == "mysql") {
1937                         $result = db_query($link, "SELECT true", false);
1938                         if (db_num_rows($result) != 1) {
1939                                 $error_code = 10;
1940                         }
1941                 }
1942
1943                 error_reporting (DEFAULT_ERROR_LEVEL);
1944
1945                 if ($error_code != 0) {
1946                         print_error_xml($error_code);
1947                         return false;
1948                 } else {
1949                         return true;
1950                 }
1951         }
1952
1953         function file_is_locked($filename) {
1954                 if (function_exists('flock')) {
1955                         error_reporting(0);
1956                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
1957                         error_reporting(DEFAULT_ERROR_LEVEL);
1958                         if ($fp) {
1959                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1960                                         flock($fp, LOCK_UN);
1961                                         fclose($fp);
1962                                         return false;
1963                                 }
1964                                 fclose($fp);
1965                                 return true;
1966                         } else {
1967                                 return false;
1968                         }
1969                 }
1970                 return true; // consider the file always locked and skip the test
1971         }
1972
1973         function make_lockfile($filename) {
1974                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1975
1976                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1977                         return $fp;
1978                 } else {
1979                         return false;
1980                 }
1981         }
1982
1983         function make_stampfile($filename) {
1984                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1985
1986                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1987                         fwrite($fp, time() . "\n");
1988                         flock($fp, LOCK_UN);
1989                         fclose($fp);
1990                         return true;
1991                 } else {
1992                         return false;
1993                 }
1994         }
1995
1996         function read_stampfile($filename) {
1997
1998                 error_reporting(0);
1999                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2000                 error_reporting (DEFAULT_ERROR_LEVEL);
2001
2002                 if ($fp) {
2003                         if (flock($fp, LOCK_EX)) {
2004                                 $stamp = fgets($fp);
2005                                 flock($fp, LOCK_UN);
2006                                 fclose($fp);
2007                                 return $stamp;
2008                         } else {
2009                                 return false;
2010                         }
2011                 } else {
2012                         return false;
2013                 }
2014         }
2015
2016         function sql_random_function() {
2017                 if (DB_TYPE == "mysql") {
2018                         return "RAND()";
2019                 } else {
2020                         return "RANDOM()";
2021                 }
2022         }
2023
2024         function catchup_feed($link, $feed, $cat_view) {
2025
2026                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2027
2028                                 if ($cat_view) {
2029
2030                                         if ($feed > 0) {
2031                                                 $cat_qpart = "cat_id = '$feed'";
2032                                         } else {
2033                                                 $cat_qpart = "cat_id IS NULL";
2034                                         }
2035
2036                                         $tmp_result = db_query($link, "SELECT id
2037                                                 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
2038                                                 $_SESSION["uid"]);
2039
2040                                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
2041
2042                                                 $tmp_feed = $tmp_line["id"];
2043
2044                                                 db_query($link, "UPDATE ttrss_user_entries
2045                                                         SET unread = false,last_read = NOW()
2046                                                         WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
2047                                         }
2048
2049                                 } else if ($feed > 0) {
2050
2051                                         $tmp_result = db_query($link, "SELECT id
2052                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2053                                                 ORDER BY cat_id,title");
2054
2055                                         $parent_ids = array();
2056
2057                                         if (db_num_rows($tmp_result) > 0) {
2058                                                 while ($p = db_fetch_assoc($tmp_result)) {
2059                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2060                                                 }
2061
2062                                                 $children_qpart = implode(" OR ", $parent_ids);
2063
2064                                                 db_query($link, "UPDATE ttrss_user_entries
2065                                                         SET unread = false,last_read = NOW()
2066                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2067                                                         AND owner_uid = " . $_SESSION["uid"]);
2068
2069                                         } else {
2070                                                 db_query($link, "UPDATE ttrss_user_entries
2071                                                         SET unread = false,last_read = NOW()
2072                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2073                                         }
2074
2075                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2076
2077                                         if ($feed == -1) {
2078                                                 db_query($link, "UPDATE ttrss_user_entries
2079                                                         SET unread = false,last_read = NOW()
2080                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
2081                                         }
2082
2083                                         if ($feed == -2) {
2084                                                 db_query($link, "UPDATE ttrss_user_entries
2085                                                         SET unread = false,last_read = NOW()
2086                                                         WHERE published = true AND owner_uid = ".$_SESSION["uid"]);
2087                                         }
2088
2089                                         if ($feed == -3) {
2090
2091                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2092
2093                                                 if (DB_TYPE == "pgsql") {
2094                                                         $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
2095                                                 } else {
2096                                                         $match_part = "date_entered > DATE_SUB(NOW(),
2097                                                                 INTERVAL $intl HOUR) ";
2098                                                 }
2099
2100                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2101                                                         ttrss_user_entries WHERE $match_part AND
2102                                                         unread = true AND
2103                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2104                                                         owner_uid = ".$_SESSION["uid"]);
2105
2106                                                 $affected_ids = array();
2107
2108                                                 while ($line = db_fetch_assoc($result)) {
2109                                                         array_push($affected_ids, $line["id"]);
2110                                                 }
2111
2112                                                 catchupArticlesById($link, $affected_ids, 0);
2113                                         }
2114
2115                                 } else if ($feed < -10) { // label
2116
2117                                         // TODO make this more efficient
2118
2119                                         $label_id = -$feed - 11;
2120
2121                                         $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
2122                                                 WHERE id = '$label_id'");
2123
2124                                         if ($tmp_result) {
2125                                                 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
2126
2127                                                 db_query($link, "BEGIN");
2128
2129                                                 $tmp2_result = db_query($link,
2130                                                         "SELECT
2131                                                                 int_id
2132                                                         FROM
2133                                                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
2134                                                         WHERE
2135                                                                 ref_id = ttrss_entries.id AND
2136                                                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2137                                                                 $sql_exp AND
2138                                                                 ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2139
2140                                                 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
2141                                                         db_query($link, "UPDATE
2142                                                                 ttrss_user_entries
2143                                                         SET
2144                                                                 unread = false, last_read = NOW()
2145                                                         WHERE
2146                                                                 int_id = " . $tmp_line["int_id"]);
2147                                                 }
2148
2149                                                 db_query($link, "COMMIT");
2150
2151 /*                                              db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
2152                                                         SET unread = false,last_read = NOW()
2153                                                         WHERE $sql_exp
2154                                                         AND ref_id = id
2155                                                         AND owner_uid = ".$_SESSION["uid"]); */
2156                                         }
2157                                 }
2158                         } else { // tag
2159                                 db_query($link, "BEGIN");
2160
2161                                 $tag_name = db_escape_string($feed);
2162
2163                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2164                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
2165
2166                                 while ($line = db_fetch_assoc($result)) {
2167                                         db_query($link, "UPDATE ttrss_user_entries SET
2168                                                 unread = false, last_read = NOW()
2169                                                 WHERE int_id = " . $line["post_int_id"]);
2170                                 }
2171                                 db_query($link, "COMMIT");
2172                         }
2173         }
2174
2175         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2176                         if ($cat_view) {
2177
2178                                 if ($feed > 0) {
2179                                         $cat_qpart = "cat_id = '$feed'";
2180                                 } else {
2181                                         $cat_qpart = "cat_id IS NULL";
2182                                 }
2183
2184                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
2185                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2186
2187                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2188                                         $feed_url = $tmp_line["feed_url"];
2189                                         $feed_id = $tmp_line["id"];
2190                                         update_rss_feed($link, $feed_url, $feed_id, $force_update);
2191                                 }
2192
2193                         } else {
2194                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
2195                                         WHERE id = '$feed'");
2196                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
2197                                 update_rss_feed($link, $feed_url, $feed, $force_update);
2198                         }
2199         }
2200
2201         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2202 /*              getLabelCounters($link);
2203                 getFeedCounters($link);
2204                 getTagCounters($link);
2205                 getGlobalCounters($link);
2206                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
2207                         getCategoryCounters($link);
2208                 } */
2209
2210                 if (!$omode) $omode = "flc";
2211
2212                 getGlobalCounters($link);
2213
2214                 if (strchr($omode, "l")) getLabelCounters($link);
2215                 if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
2216                 if (strchr($omode, "t")) getTagCounters($link);
2217                 if (strchr($omode, "c")) {
2218                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2219                                 getCategoryCounters($link);
2220                         }
2221                 }
2222         }
2223
2224         function getCategoryCounters($link) {
2225                 # two special categories are -1 and -2 (all virtuals; all labels)
2226
2227                 $ctr = getCategoryUnread($link, -1);
2228
2229                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>";
2230
2231                 $ctr = getCategoryUnread($link, -2);
2232
2233                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2234
2235                 $age_qpart = getMaxAgeSubquery();
2236
2237                 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
2238                                 FROM ttrss_user_entries, ttrss_entries WHERE feed_id = ttrss_feeds.id
2239                                         AND id = ref_id AND $age_qpart
2240                                         AND unread = true)) AS unread FROM ttrss_feeds
2241                         WHERE
2242                                 hidden = false AND owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
2243
2244                 while ($line = db_fetch_assoc($result)) {
2245                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
2246                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2247                                 $line["unread"]."\"/>";
2248                 }
2249         }
2250
2251         function getCategoryUnread($link, $cat) {
2252
2253                 if ($cat >= 0) {
2254
2255                         if ($cat != 0) {
2256                                 $cat_query = "cat_id = '$cat'";
2257                         } else {
2258                                 $cat_query = "cat_id IS NULL";
2259                         }
2260
2261                         $age_qpart = getMaxAgeSubquery();
2262
2263                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2264                                         AND hidden = false
2265                                         AND owner_uid = " . $_SESSION["uid"]);
2266
2267                         $cat_feeds = array();
2268                         while ($line = db_fetch_assoc($result)) {
2269                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2270                         }
2271
2272                         if (count($cat_feeds) == 0) return 0;
2273
2274                         $match_part = implode(" OR ", $cat_feeds);
2275
2276                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2277                                 FROM ttrss_user_entries,ttrss_entries
2278                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2279                                 AND $age_qpart AND owner_uid = " . $_SESSION["uid"]);
2280
2281                         $unread = 0;
2282
2283                         # this needs to be rewritten
2284                         while ($line = db_fetch_assoc($result)) {
2285                                 $unread += $line["unread"];
2286                         }
2287
2288                         return $unread;
2289                 } else if ($cat == -1) {
2290                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
2291                 } else if ($cat == -2) {
2292
2293                         $rv = getLabelCounters($link, false, true);
2294                         $ctr = 0;
2295
2296                         foreach (array_keys($rv) as $k) {
2297                                 if ($k < -10) {
2298                                         $ctr += $rv[$k]["counter"];
2299                                 }
2300                         }
2301
2302                         return $ctr;
2303                 }
2304         }
2305
2306         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2307                 if (DB_TYPE == "pgsql") {
2308                         return "ttrss_entries.date_entered >
2309                                 NOW() - INTERVAL '$days days'";
2310                 } else {
2311                         return "ttrss_entries.date_entered >
2312                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2313                 }
2314         }
2315
2316         function getFeedUnread($link, $feed, $is_cat = false) {
2317                 $n_feed = sprintf("%d", $feed);
2318
2319                 $age_qpart = getMaxAgeSubquery();
2320
2321                 if ($is_cat) {
2322                         return getCategoryUnread($link, $n_feed);
2323                 } else if ($n_feed == -1) {
2324                         $match_part = "marked = true";
2325                 } else if ($n_feed == -2) {
2326                         $match_part = "published = true";
2327                 } else if ($n_feed == -3) {
2328                         $match_part = "unread = true";
2329
2330                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2331
2332                         if (DB_TYPE == "pgsql") {
2333                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2334                         } else {
2335                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2336                         }
2337
2338                 } else if ($n_feed > 0) {
2339
2340                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2341                                         WHERE parent_feed = '$n_feed'
2342                                         AND hidden = false
2343                                         AND owner_uid = " . $_SESSION["uid"]);
2344
2345                         if (db_num_rows($result) > 0) {
2346
2347                                 $linked_feeds = array();
2348                                 while ($line = db_fetch_assoc($result)) {
2349                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2350                                 }
2351
2352                                 array_push($linked_feeds, "feed_id = $n_feed");
2353
2354                                 $match_part = implode(" OR ", $linked_feeds);
2355
2356                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
2357                                         FROM ttrss_user_entries,ttrss_entries
2358                                         WHERE   unread = true AND
2359                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2360                                         $age_qpart AND
2361                                         ($match_part) AND
2362                                         owner_uid = " . $_SESSION["uid"]);
2363
2364                                 $unread = 0;
2365
2366                                 # this needs to be rewritten
2367                                 while ($line = db_fetch_assoc($result)) {
2368                                         $unread += $line["unread"];
2369                                 }
2370
2371                                 return $unread;
2372
2373                         } else {
2374                                 $match_part = "feed_id = '$n_feed'";
2375                         }
2376                 } else if ($feed < -10) {
2377
2378                         $label_id = -$feed - 11;
2379
2380                         $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
2381                                 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
2382
2383                         $match_part = db_fetch_result($result, 0, "sql_exp");
2384                 }
2385
2386                 if ($match_part) {
2387
2388                         $result = db_query($link, "SELECT count(int_id) AS unread
2389                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
2390                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2391                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2392                                 ttrss_feeds.hidden = false AND
2393                                 $age_qpart AND
2394                                 unread = true AND ($match_part) AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2395
2396                 } else {
2397
2398                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2399                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2400                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2401                                 AND unread = true AND $age_qpart AND
2402                                         ttrss_tags.owner_uid = " . $_SESSION["uid"]);
2403                 }
2404
2405                 $unread = db_fetch_result($result, 0, "unread");
2406
2407                 return $unread;
2408         }
2409
2410         /* FIXME this needs reworking */
2411
2412         function getGlobalUnread($link, $user_id = false) {
2413
2414                 if (!$user_id) {
2415                         $user_id = $_SESSION["uid"];
2416                 }
2417
2418                 $age_qpart = getMaxAgeSubquery();
2419
2420                 $result = db_query($link, "SELECT count(ttrss_entries.id) as c_id FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2421                         WHERE unread = true AND
2422                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
2423                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2424                         hidden = false AND
2425                         $age_qpart AND
2426                         ttrss_user_entries.owner_uid = '$user_id'");
2427                 $c_id = db_fetch_result($result, 0, "c_id");
2428                 return $c_id;
2429         }
2430
2431         function getGlobalCounters($link, $global_unread = -1) {
2432                 if ($global_unread == -1) {
2433                         $global_unread = getGlobalUnread($link);
2434                 }
2435                 print "<counter type=\"global\" id='global-unread'
2436                         counter='$global_unread'/>";
2437
2438                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2439                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2440
2441                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2442
2443                 print "<counter type=\"global\" id='subscribed-feeds'
2444                         counter='$subscribed_feeds'/>";
2445
2446         }
2447
2448         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2449
2450                 if ($smart_mode) {
2451                         if (!$_SESSION["tctr_last_value"]) {
2452                                 $_SESSION["tctr_last_value"] = array();
2453                         }
2454                 }
2455
2456                 $old_counters = $_SESSION["tctr_last_value"];
2457
2458                 $tctrs_modified = false;
2459
2460 /*              $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
2461                         FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
2462                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2463                         ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
2464                         post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
2465                 UNION
2466                         select tag_name,0 as count FROM ttrss_tags
2467                         WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
2468
2469                 $age_qpart = getMaxAgeSubquery();
2470
2471                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2472                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2473                                 AND ref_id = id AND $age_qpart
2474                                 AND unread = true)) AS count FROM ttrss_tags
2475                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2476                                 ORDER BY count DESC LIMIT 55");
2477
2478                 $tags = array();
2479
2480                 while ($line = db_fetch_assoc($result)) {
2481                         $tags[$line["tag_name"]] += $line["count"];
2482                 }
2483
2484                 foreach (array_keys($tags) as $tag) {
2485                         $unread = $tags[$tag];
2486
2487                         $tag = htmlspecialchars($tag);
2488
2489                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2490                                 $old_counters[$tag] = $unread;
2491                                 $tctrs_modified = true;
2492                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2493                         }
2494
2495                 }
2496
2497                 if ($smart_mode && $tctrs_modified) {
2498                         $_SESSION["tctr_last_value"] = $old_counters;
2499                 }
2500
2501         }
2502
2503         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2504
2505                 $age_qpart = getMaxAgeSubquery();
2506
2507                 if ($smart_mode) {
2508                         if (!$_SESSION["lctr_last_value"]) {
2509                                 $_SESSION["lctr_last_value"] = array();
2510                         }
2511                 }
2512
2513                 $ret_arr = array();
2514
2515                 $old_counters = $_SESSION["lctr_last_value"];
2516                 $lctrs_modified = false;
2517
2518                 $count = getFeedUnread($link, -1);
2519
2520                 if (!$ret_mode) {
2521                         print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
2522                 } else {
2523                         $ret_arr["-1"]["counter"] = $count;
2524                         $ret_arr["-1"]["description"] = __("Starred articles");
2525                 }
2526
2527                 $count = getFeedUnread($link, -2);
2528
2529                 if (!$ret_mode) {
2530                         print "<counter type=\"label\" id=\"-2\" counter=\"$count\"/>";
2531                 } else {
2532                         $ret_arr["-2"]["counter"] = $count;
2533                         $ret_arr["-2"]["description"] = __("Published articles");
2534                 }
2535
2536                 $count = getFeedUnread($link, -3);
2537
2538                 if (!$ret_mode) {
2539                         print "<counter type=\"label\" id=\"-3\" counter=\"$count\"/>";
2540                 } else {
2541                         $ret_arr["-3"]["counter"] = $count;
2542                         $ret_arr["-3"]["description"] = __("Fresh articles");
2543                 }
2544
2545
2546                 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
2547                         ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
2548
2549                 while ($line = db_fetch_assoc($result)) {
2550
2551                         $id = -$line["id"] - 11;
2552
2553                         $label_name = $line["description"];
2554
2555                         error_reporting (0);
2556
2557                         $tmp_result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_user_entries,ttrss_entries,ttrss_feeds
2558                                 WHERE (" . $line["sql_exp"] . ") AND unread = true AND
2559                                 ttrss_feeds.hidden = false AND
2560                                 $age_qpart AND
2561                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2562                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2563                                 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
2564
2565                         $count = db_fetch_result($tmp_result, 0, "count");
2566
2567                         if (!$smart_mode || $old_counters[$id] != $count) {
2568                                 $old_counters[$id] = $count;
2569                                 $lctrs_modified = true;
2570                                 if (!$ret_mode) {
2571                                         print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
2572                                 } else {
2573                                         $ret_arr[$id]["counter"] = $count;
2574                                         $ret_arr[$id]["description"] = $label_name;
2575                                 }
2576                         }
2577
2578                         error_reporting (DEFAULT_ERROR_LEVEL);
2579                 }
2580
2581                 if ($smart_mode && $lctrs_modified) {
2582                         $_SESSION["lctr_last_value"] = $old_counters;
2583                 }
2584
2585                 return $ret_arr;
2586         }
2587
2588 /*      function getFeedCounter($link, $id) {
2589
2590                 $result = db_query($link, "SELECT
2591                                 count(id) as count,last_error
2592                         FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2593                         WHERE feed_id = '$id' AND unread = true
2594                         AND ttrss_user_entries.feed_id = ttrss_feeds.id
2595                         AND ttrss_user_entries.ref_id = ttrss_entries.id");
2596
2597                         $count = db_fetch_result($result, 0, "count");
2598                         $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
2599
2600                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
2601         } */
2602
2603         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2604
2605                 $age_qpart = getMaxAgeSubquery();
2606
2607                 if ($smart_mode) {
2608                         if (!$_SESSION["fctr_last_value"]) {
2609                                 $_SESSION["fctr_last_value"] = array();
2610                         }
2611                 }
2612
2613                 $old_counters = $_SESSION["fctr_last_value"];
2614
2615 /*              $result = db_query($link, "SELECT id,last_error,parent_feed,
2616                         ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated,
2617                         (SELECT count(id)
2618                                 FROM ttrss_entries,ttrss_user_entries
2619                                 WHERE feed_id = ttrss_feeds.id AND
2620                                         ttrss_user_entries.ref_id = ttrss_entries.id
2621                                 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
2622                         FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
2623                         AND parent_feed IS NULL"); */
2624
2625                 $query = "SELECT ttrss_feeds.id,
2626                                 ttrss_feeds.title,
2627                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2628                                 last_error,
2629                                 COUNT(ttrss_entries.id) AS count
2630                         FROM ttrss_feeds
2631                                 LEFT JOIN ttrss_user_entries ON (ttrss_user_entries.feed_id = ttrss_feeds.id
2632                                         AND ttrss_user_entries.owner_uid = ttrss_feeds.owner_uid
2633                                         AND ttrss_user_entries.unread = true)
2634                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id AND
2635                                         $age_qpart)
2636                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2637                                 AND parent_feed IS NULL
2638                         GROUP BY ttrss_feeds.id, ttrss_feeds.title, ttrss_feeds.last_updated, last_error";
2639
2640                 $result = db_query($link, $query);
2641                 $fctrs_modified = false;
2642
2643                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2644
2645                 while ($line = db_fetch_assoc($result)) {
2646
2647                         $id = $line["id"];
2648                         $count = $line["count"];
2649                         $last_error = htmlspecialchars($line["last_error"]);
2650
2651                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2652                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2653                         } else {
2654                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2655                         }
2656
2657                         $last_updated = htmlspecialchars($last_updated);
2658
2659                         $has_img = is_file(ICONS_DIR . "/$id.ico");
2660
2661                         $tmp_result = db_query($link,
2662                                 "SELECT ttrss_feeds.id,COUNT(unread) AS unread
2663                                 FROM ttrss_feeds LEFT JOIN ttrss_user_entries
2664                                         ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
2665                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id)
2666                                 WHERE parent_feed = '$id' AND $age_qpart AND unread = true GROUP BY ttrss_feeds.id");
2667
2668                         if (db_num_rows($tmp_result) > 0) {
2669                                 while ($l = db_fetch_assoc($tmp_result)) {
2670                                         $count += $l["unread"];
2671                                 }
2672                         }
2673
2674                         if (!$smart_mode || $old_counters[$id] != $count) {
2675                                 $old_counters[$id] = $count;
2676                                 $fctrs_modified = true;
2677
2678                                 if ($last_error) {
2679                                         $error_part = "error=\"$last_error\"";
2680                                 } else {
2681                                         $error_part = "";
2682                                 }
2683
2684                                 if ($has_img) {
2685                                         $has_img_part = "hi=\"$has_img\"";
2686                                 } else {
2687                                         $has_img_part = "";
2688                                 }
2689
2690                                 if ($active_feed && $id == $active_feed) {
2691                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2692                                 } else {
2693                                         $has_title_part = "";
2694                                 }
2695
2696                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $has_title_part/>";
2697                         }
2698                 }
2699
2700                 if ($smart_mode && $fctrs_modified) {
2701                         $_SESSION["fctr_last_value"] = $old_counters;
2702                 }
2703         }
2704
2705         function get_script_dt_add() {
2706                 if (strpos(VERSION, ".99") === false) {
2707                         return VERSION;
2708                 } else {
2709                         return time();
2710                 }
2711         }
2712
2713         function get_pgsql_version($link) {
2714                 $result = db_query($link, "SELECT version() AS version");
2715                 $version = split(" ", db_fetch_result($result, 0, "version"));
2716                 return $version[1];
2717         }
2718
2719         function print_error_xml($code, $add_msg = "") {
2720                 global $ERRORS;
2721
2722                 $error_msg = $ERRORS[$code];
2723
2724                 if ($add_msg) {
2725                         $error_msg = "$error_msg; $add_msg";
2726                 }
2727
2728                 print "<rpc-reply>";
2729                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2730                 print "</rpc-reply>";
2731         }
2732
2733         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2734                         $auth_login = '', $auth_pass = '') {
2735
2736                 # check for feed:http://url
2737                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2738
2739                 # check for feed://URL
2740                 if (strpos($feed_link, "//") === 0) {
2741                         $feed_link = "http:$feed_link";
2742                 }
2743
2744                 if ($feed_link == "") return;
2745
2746                 if ($cat_id == "0" || !$cat_id) {
2747                         $cat_qpart = "NULL";
2748                 } else {
2749                         $cat_qpart = "'$cat_id'";
2750                 }
2751
2752                 $result = db_query($link,
2753                         "SELECT id FROM ttrss_feeds
2754                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2755
2756                 if (db_num_rows($result) == 0) {
2757
2758                         $result = db_query($link,
2759                                 "INSERT INTO ttrss_feeds
2760                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2761                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2762                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2763
2764                         $result = db_query($link,
2765                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2766                                         AND owner_uid = " . $_SESSION["uid"]);
2767
2768                         $feed_id = db_fetch_result($result, 0, "id");
2769
2770                         if ($feed_id) {
2771                                 update_rss_feed($link, $feed_link, $feed_id, true);
2772                         }
2773
2774                         return true;
2775                 } else {
2776                         return false;
2777                 }
2778         }
2779
2780         function print_feed_select($link, $id, $default_id = "",
2781                 $attributes = "", $include_all_feeds = true) {
2782
2783                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2784                 if ($include_all_feeds) {
2785                         print "<option value=\"0\">".__('All feeds')."</option>";
2786                 }
2787
2788                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2789                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2790
2791                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2792                         print "<option disabled>--------</option>";
2793                 }
2794
2795                 while ($line = db_fetch_assoc($result)) {
2796                         if ($line["id"] == $default_id) {
2797                                 $is_selected = "selected";
2798                         } else {
2799                                 $is_selected = "";
2800                         }
2801                         printf("<option $is_selected value='%d'>%s</option>",
2802                                 $line["id"], htmlspecialchars($line["title"]));
2803                 }
2804
2805                 print "</select>";
2806         }
2807
2808         function print_feed_cat_select($link, $id, $default_id = "",
2809                 $attributes = "", $include_all_cats = true) {
2810
2811                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2812
2813                 if ($include_all_cats) {
2814                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2815                 }
2816
2817                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2818                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2819
2820                 if (db_num_rows($result) > 0 && $include_all_cats) {
2821                         print "<option disabled>--------</option>";
2822                 }
2823
2824                 while ($line = db_fetch_assoc($result)) {
2825                         if ($line["id"] == $default_id) {
2826                                 $is_selected = "selected";
2827                         } else {
2828                                 $is_selected = "";
2829                         }
2830                         printf("<option $is_selected value='%d'>%s</option>",
2831                                 $line["id"], htmlspecialchars($line["title"]));
2832                 }
2833
2834                 print "</select>";
2835         }
2836
2837         function checkbox_to_sql_bool($val) {
2838                 return ($val == "on") ? "true" : "false";
2839         }
2840
2841         function getFeedCatTitle($link, $id) {
2842                 if ($id == -1) {
2843                         return __("Special");
2844                 } else if ($id < -10) {
2845                         return __("Labels");
2846                 } else if ($id > 0) {
2847                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2848                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2849                                         cat_id = ttrss_feed_categories.id");
2850                         if (db_num_rows($result) == 1) {
2851                                 return db_fetch_result($result, 0, "title");
2852                         } else {
2853                                 return __("Uncategorized");
2854                         }
2855                 } else {
2856                         return "getFeedCatTitle($id) failed";
2857                 }
2858
2859         }
2860
2861         function getFeedTitle($link, $id) {
2862                 if ($id == -1) {
2863                         return __("Starred articles");
2864                 } else if ($id == -2) {
2865                         return __("Published articles");
2866                 } else if ($id == -3) {
2867                         return __("Fresh articles");
2868                 } else if ($id < -10) {
2869                         $label_id = -$id - 11;
2870                         $result = db_query($link, "SELECT description FROM ttrss_labels WHERE id = '$label_id'");
2871                         if (db_num_rows($result) == 1) {
2872                                 return db_fetch_result($result, 0, "description");
2873                         } else {
2874                                 return "Unknown label ($label_id)";
2875                         }
2876
2877                 } else if ($id > 0) {
2878                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2879                         if (db_num_rows($result) == 1) {
2880                                 return db_fetch_result($result, 0, "title");
2881                         } else {
2882                                 return "Unknown feed ($id)";
2883                         }
2884                 } else {
2885                         return "getFeedTitle($id) failed";
2886                 }
2887
2888         }
2889
2890         function get_session_cookie_name() {
2891                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2892         }
2893
2894         function print_init_params($link) {
2895                 print "<init-params>";
2896                 if ($_SESSION["stored-params"]) {
2897                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
2898                                 if ($key) {
2899                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2900                                         print "<param key=\"$key\" value=\"$value\"/>";
2901                                 }
2902                         }
2903                 }
2904
2905                 print "<param key=\"theme\" value=\"".$_SESSION["theme"]."\"/>";
2906                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2907                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2908                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
2909
2910                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
2911                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2912
2913                 print "<param key=\"hide_read_feeds\" value=\"" .
2914                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
2915
2916                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
2917                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
2918
2919                 print "<param key=\"confirm_feed_catchup\" value=\"" .
2920                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
2921
2922                 print "<param key=\"cdm_auto_catchup\" value=\"" .
2923                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
2924
2925                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
2926
2927                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
2928
2929                 print "<param key=\"default_view_mode\" value=\"" .
2930                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
2931
2932                 print "<param key=\"default_view_limit\" value=\"" .
2933                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
2934
2935                 print "<param key=\"prefs_active_tab\" value=\"" .
2936                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
2937
2938                 print "<param key=\"infobox_disable_overlay\" value=\"" .
2939                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
2940
2941                 print "<param key=\"icons_location\" value=\"" .
2942                         ICONS_URL . "\"/>";
2943
2944                 print "<param key=\"hide_read_shows_special\" value=\"" .
2945                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
2946
2947                 print "<param key=\"hide_feedlist\" value=\"" .
2948                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
2949
2950                 print "</init-params>";
2951         }
2952
2953         function print_runtime_info($link) {
2954                 print "<runtime-info>";
2955
2956                 if (ENABLE_UPDATE_DAEMON) {
2957                         print "<param key=\"daemon_is_running\" value=\"".
2958                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
2959
2960                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2961
2962                                 $stamp = (int)read_stampfile("update_daemon.stamp");
2963
2964 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
2965
2966                                 if ($stamp) {
2967                                         $stamp_delta = time() - $stamp;
2968
2969                                         if ($stamp_delta > 1800) {
2970                                                 $stamp_check = 0;
2971                                         } else {
2972                                                 $stamp_check = 1;
2973                                                 $_SESSION["daemon_stamp_check"] = time();
2974                                         }
2975
2976                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
2977
2978                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
2979
2980                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
2981                                 }
2982                         }
2983                 }
2984
2985                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
2986
2987                         if ($_SESSION["last_version_check"] + 7200 < time()) {
2988                                 $new_version_details = check_for_update($link);
2989
2990                                 print "<param key=\"new_version_available\" value=\"".
2991                                         sprintf("%d", $new_version_details != ""). "\"/>";
2992
2993                                 $_SESSION["last_version_check"] = time();
2994                         }
2995                 }
2996
2997 //              print "<param key=\"new_version_available\" value=\"1\"/>";
2998
2999                 print "</runtime-info>";
3000         }
3001
3002         function getSearchSql($search, $match_on) {
3003
3004                 $search_query_part = "";
3005
3006                 $keywords = split(" ", $search);
3007                 $query_keywords = array();
3008
3009                 if ($match_on == "both") {
3010
3011                         foreach ($keywords as $k) {
3012                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
3013                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3014                         }
3015
3016                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3017
3018                 } else if ($match_on == "title") {
3019
3020                         foreach ($keywords as $k) {
3021                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
3022                         }
3023
3024                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3025
3026                 } else if ($match_on == "content") {
3027
3028                         foreach ($keywords as $k) {
3029                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
3030                         }
3031                 }
3032
3033                 $search_query_part = implode("AND", $query_keywords);
3034
3035                 return $search_query_part;
3036         }
3037
3038         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3039
3040                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3041
3042                         if ($search) {
3043
3044                                 $search_query_part = getSearchSql($search, $match_on);
3045                                 $search_query_part .= " AND ";
3046
3047                         } else {
3048                                 $search_query_part = "";
3049                         }
3050
3051                         $view_query_part = "";
3052
3053                         if ($view_mode == "adaptive") {
3054                                 if ($search) {
3055                                         $view_query_part = " ";
3056                                 } else if ($feed != -1) {
3057                                         $unread = getFeedUnread($link, $feed, $cat_view);
3058                                         if ($unread > 0) {
3059                                                 $view_query_part = " unread = true AND ";
3060                                         }
3061                                 }
3062                         }
3063
3064                         if ($view_mode == "marked") {
3065                                 $view_query_part = " marked = true AND ";
3066                         }
3067
3068                         if ($view_mode == "unread") {
3069                                 $view_query_part = " unread = true AND ";
3070                         }
3071
3072                         if ($limit > 0) {
3073                                 $limit_query_part = "LIMIT " . $limit;
3074                         }
3075
3076                         $vfeed_query_part = "";
3077
3078                         // override query strategy and enable feed display when searching globally
3079                         if ($search && $search_mode == "all_feeds") {
3080                                 $query_strategy_part = "ttrss_entries.id > 0";
3081                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3082                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3083                                 $query_strategy_part = "ttrss_entries.id > 0";
3084                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3085                                         id = feed_id) as feed_title,";
3086                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
3087
3088                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3089
3090                                 $tmp_result = false;
3091
3092                                 if ($cat_view) {
3093                                         $tmp_result = db_query($link, "SELECT id
3094                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3095                                 } else {
3096                                         $tmp_result = db_query($link, "SELECT id
3097                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3098                                                         WHERE id = '$feed') AND id != '$feed'");
3099                                 }
3100
3101                                 $cat_siblings = array();
3102
3103                                 if (db_num_rows($tmp_result) > 0) {
3104                                         while ($p = db_fetch_assoc($tmp_result)) {
3105                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3106                                         }
3107
3108                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3109                                                 $feed, implode(" OR ", $cat_siblings));
3110
3111                                 } else {
3112                                         $query_strategy_part = "ttrss_entries.id > 0";
3113                                 }
3114
3115                         } else if ($feed >= 0) {
3116
3117                                 if ($cat_view) {
3118
3119                                         if ($feed > 0) {
3120                                                 $query_strategy_part = "cat_id = '$feed'";
3121                                         } else {
3122                                                 $query_strategy_part = "cat_id IS NULL";
3123                                         }
3124
3125                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3126
3127                                 } else {
3128                                         $tmp_result = db_query($link, "SELECT id
3129                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3130                                                 ORDER BY cat_id,title");
3131
3132                                         $parent_ids = array();
3133
3134                                         if (db_num_rows($tmp_result) > 0) {
3135                                                 while ($p = db_fetch_assoc($tmp_result)) {
3136                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3137                                                 }
3138
3139                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3140                                                         $feed, implode(" OR ", $parent_ids));
3141
3142                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3143                                         } else {
3144                                                 $query_strategy_part = "feed_id = '$feed'";
3145                                         }
3146                                 }
3147                         } else if ($feed == -1) { // starred virtual feed
3148                                 $query_strategy_part = "marked = true";
3149                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3150                         } else if ($feed == -2) { // published virtual feed
3151                                 $query_strategy_part = "published = true";
3152                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3153                         } else if ($feed == -3) { // fresh virtual feed
3154                                 $query_strategy_part = "unread = true";
3155
3156                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3157
3158                                 if (DB_TYPE == "pgsql") {
3159                                         $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
3160                                 } else {
3161                                         $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3162                                 }
3163
3164                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3165                         } else if ($feed <= -10) { // labels
3166                                 $label_id = -$feed - 11;
3167
3168                                 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
3169                                         WHERE id = '$label_id'");
3170
3171                                 $query_strategy_part = db_fetch_result($tmp_result, 0, "sql_exp");
3172
3173                                 if (!$query_strategy_part) {
3174                                         return false;
3175                                 }
3176
3177                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3178                         } else {
3179                                 $query_strategy_part = "id > 0"; // dumb
3180                         }
3181
3182                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3183                                 $order_by = "updated";
3184                         } else {
3185                                 $order_by = "updated DESC";
3186                         }
3187
3188                         $order_by = "score DESC, $order_by";
3189
3190                         if ($override_order) {
3191                                 $order_by = $override_order;
3192                         }
3193
3194                         $feed_title = "";
3195
3196                         if ($search && $search_mode == "all_feeds") {
3197                                 $feed_title = __("Search results")." ($search)";
3198                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3199                                 $feed_title = __("Search results")." ($search, $feed)";
3200                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
3201                                 $feed_title = $feed;
3202                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
3203
3204                                 if ($cat_view) {
3205
3206                                         if ($feed != 0) {
3207                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
3208                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
3209                                                 $feed_title = db_fetch_result($result, 0, "title");
3210                                         } else {
3211                                                 $feed_title = __("Uncategorized");
3212                                         }
3213
3214                                         if ($search) {
3215                                                 $feed_title = __("Searched for")." $search ($feed_title)";
3216                                         }
3217
3218                                 } else {
3219
3220                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
3221                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
3222
3223                                         $feed_title = db_fetch_result($result, 0, "title");
3224                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
3225                                         $last_error = db_fetch_result($result, 0, "last_error");
3226
3227                                         if ($search) {
3228                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
3229                                         }
3230                                 }
3231
3232                         } else if ($feed == -1) {
3233                                 $feed_title = __("Starred articles");
3234                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3235                         } else if ($feed == -2) {
3236                                 $feed_title = __("Published articles");
3237                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3238                         } else if ($feed == -3) {
3239                                 $feed_title = __("Fresh articles");
3240                                 if ($search) {  $feed_title = __("Searched for") . " $search ($feed_title)"; }
3241                         } else if ($feed < -10) {
3242                                 $label_id = -$feed - 11;
3243                                 $result = db_query($link, "SELECT description FROM ttrss_labels
3244                                         WHERE id = '$label_id'");
3245                                 $feed_title = db_fetch_result($result, 0, "description");
3246
3247                                 if ($search) {
3248                                         $feed_title = __("Searched for") . " $search ($feed_title)";
3249                                 }
3250                         } else {
3251                                 $feed_title = "?";
3252                         }
3253
3254                         if ($feed < -10) error_reporting (0);
3255
3256                         $content_query_part = "content as content_preview,";
3257
3258                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3259
3260                                 if ($feed >= 0) {
3261                                         $feed_kind = "Feeds";
3262                                 } else {
3263                                         $feed_kind = "Labels";
3264                                 }
3265
3266                                 if ($limit_query_part) {
3267                                         $offset_query_part = "OFFSET $offset";
3268                                 }
3269
3270                                 if ($vfeed_query_part && defined('_VFEED_GROUP_BY_FEED')) {
3271                                         if (!$override_order) {
3272                                                 $order_by = "ttrss_feeds.title, $order_by";
3273                                         }
3274
3275                                         if ($feed == -3) {
3276                                                 $group_limit_part = "(select count(*) from
3277                                                         ttrss_user_entries AS t1, ttrss_entries AS t2 where
3278                                                                 t1.ref_id = t2.id and t1.owner_uid = 2 and
3279                                                                 t1.feed_id = ttrss_user_entries.feed_id and
3280                                                                 t2.updated > ttrss_entries.updated) <= 5 AND";
3281                                         }
3282                                 }
3283
3284                                 $query = "SELECT
3285                                                 guid,
3286                                                 ttrss_entries.id,ttrss_entries.title,
3287                                                 updated,
3288                                                 unread,feed_id,marked,published,link,last_read,
3289                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3290                                                 $vfeed_query_part
3291                                                 $content_query_part
3292                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3293                                                 author,score
3294                                         FROM
3295                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds
3296                                         WHERE
3297                                         $group_limit_part
3298                                         ttrss_feeds.hidden = false AND
3299                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
3300                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3301                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3302                                         $search_query_part
3303                                         $view_query_part
3304                                         $query_strategy_part ORDER BY $order_by
3305                                         $limit_query_part $offset_query_part";
3306
3307                                 $result = db_query($link, $query);
3308
3309                                 if ($_GET["debug"]) print $query;
3310
3311                         } else {
3312                                 // browsing by tag
3313
3314                                 $feed_kind = "Tags";
3315
3316                                 $result = db_query($link, "SELECT
3317                                         guid,
3318                                         ttrss_entries.id as id,title,
3319                                         updated,
3320                                         unread,feed_id,
3321                                         marked,link,last_read,
3322                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3323                                         $vfeed_query_part
3324                                         $content_query_part
3325                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms
3326                                         FROM
3327                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3328                                         WHERE
3329                                                 ref_id = ttrss_entries.id AND
3330                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3331                                                 post_int_id = int_id AND tag_name = '$feed' AND
3332                                                 $view_query_part
3333                                                 $search_query_part
3334                                                 $query_strategy_part ORDER BY $order_by
3335                                         $limit_query_part");
3336                         }
3337
3338                         return array($result, $feed_title, $feed_site_url, $last_error);
3339
3340         }
3341
3342         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3343                 $search, $search_mode, $match_on) {
3344
3345                 $qfh_ret = queryFeedHeadlines($link, $feed,
3346                         30, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3347                         $owner_uid);
3348
3349                 $result = $qfh_ret[0];
3350                 $feed_title = htmlspecialchars($qfh_ret[1]);
3351                 $feed_site_url = $qfh_ret[2];
3352                 $last_error = $qfh_ret[3];
3353
3354 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3355
3356                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3357                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3358                         <rss version=\"2.0\">
3359                         <channel>
3360                         <title>$feed_title</title>
3361                         <link>$feed_site_url</link>
3362                         <description>Feed generated by Tiny Tiny RSS</description>";
3363
3364                 while ($line = db_fetch_assoc($result)) {
3365                         print "<item>";
3366                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3367                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3368
3369                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3370
3371                         foreach ($tags as $tag) {
3372                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3373                         }
3374
3375                         $rfc822_date = date('r', strtotime($line["updated"]));
3376
3377                         print "<pubDate>$rfc822_date</pubDate>";
3378
3379                         print "<title>" .
3380                                 htmlspecialchars($line["title"]) . "</title>";
3381
3382                         print "<description><![CDATA[" .
3383                                 $line["content_preview"] . "]]></description>";
3384
3385                         print "</item>";
3386                 }
3387
3388                 print "</channel></rss>";
3389
3390         }
3391
3392         function getCategoryTitle($link, $cat_id) {
3393
3394                 if ($cat_id == -1) {
3395                         return __("Special");
3396                 } else if ($cat_id == -2) {
3397                         return __("Labels");
3398                 } else {
3399
3400                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3401                                 id = '$cat_id'");
3402
3403                         if (db_num_rows($result) == 1) {
3404                                 return db_fetch_result($result, 0, "title");
3405                         } else {
3406                                 return "Uncategorized";
3407                         }
3408                 }
3409         }
3410
3411         // http://ru2.php.net/strip-tags
3412
3413         function strip_tags_long($textstring, $allowed){
3414         while($textstring != strip_tags($textstring, $allowed))
3415     {
3416     while (strlen($textstring) != 0)
3417          {
3418          if (strlen($textstring) > 1024) {
3419               $otherlen = 1024;
3420          } else {
3421               $otherlen = strlen($textstring);
3422          }
3423          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3424          $safetext .= $temptext;
3425          $textstring = substr_replace($textstring,'',0,$otherlen);
3426          }
3427     $textstring = $safetext;
3428     }
3429         return $textstring;
3430         }
3431
3432
3433         function sanitize_rss($link, $str, $force_strip_tags = false) {
3434                 $res = $str;
3435
3436                 if (get_pref($link, "STRIP_UNSAFE_TAGS") || $force_strip_tags) {
3437
3438                         $res = strip_tags_long($res,
3439                                 "<p><a><i><em><b><strong><blockquote><br><img><div><span><ul><ol><li>");
3440
3441 //                      $res = preg_replace("/\r\n|\n|\r/", "", $res);
3442 //                      $res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");
3443                 }
3444
3445                 return $res;
3446         }
3447
3448         /**
3449          * Send by mail a digest of last articles.
3450          *
3451          * @param mixed $link The database connection.
3452          * @param integer $limit The maximum number of articles by digest.
3453          * @return boolean Return false if digests are not enabled.
3454          */
3455         function send_headlines_digests($link, $limit = 100) {
3456
3457                 if (!DIGEST_ENABLE) return false;
3458
3459                 $user_limit = DIGEST_EMAIL_LIMIT;
3460                 $days = 1;
3461
3462                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3463
3464                 if (DB_TYPE == "pgsql") {
3465                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3466                 } else if (DB_TYPE == "mysql") {
3467                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3468                 }
3469
3470                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3471                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3472
3473                 while ($line = db_fetch_assoc($result)) {
3474
3475                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3476                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3477
3478                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3479
3480                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3481                                 $digest = $tuple[0];
3482                                 $headlines_count = $tuple[1];
3483                                 $affected_ids = $tuple[2];
3484                                 $digest_text = $tuple[3];
3485
3486                                 if ($headlines_count > 0) {
3487
3488                                         $mail = new PHPMailer();
3489
3490                                         $mail->PluginDir = "phpmailer/";
3491                                         $mail->SetLanguage("en", "phpmailer/language/");
3492
3493                                         $mail->CharSet = "UTF-8";
3494
3495                                         $mail->From = DIGEST_FROM_ADDRESS;
3496                                         $mail->FromName = DIGEST_FROM_NAME;
3497                                         $mail->AddAddress($line["email"], $line["login"]);
3498
3499                                         if (DIGEST_SMTP_HOST) {
3500                                                 $mail->Host = DIGEST_SMTP_HOST;
3501                                                 $mail->Mailer = "smtp";
3502                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3503                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3504                                         }
3505
3506                                         $mail->IsHTML(true);
3507                                         $mail->Subject = DIGEST_SUBJECT;
3508                                         $mail->Body = $digest;
3509                                         $mail->AltBody = $digest_text;
3510
3511                                         $rc = $mail->Send();
3512
3513                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3514
3515                                         print "RC=$rc\n";
3516
3517                                         if ($rc && $do_catchup) {
3518                                                 print "Marking affected articles as read...\n";
3519                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3520                                         }
3521
3522                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3523                                                         WHERE id = " . $line["id"]);
3524                                 } else {
3525                                         print "No headlines\n";
3526                                 }
3527                         }
3528                 }
3529
3530                 print "All done.\n";
3531
3532         }
3533
3534         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3535
3536                 require_once "MiniTemplator.class.php";
3537
3538                 $tpl = new MiniTemplator;
3539                 $tpl_t = new MiniTemplator;
3540
3541                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3542                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3543
3544                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3545                 $tpl->setVariable('CUR_TIME', date('G:i'));
3546
3547                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3548                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3549
3550                 $affected_ids = array();
3551
3552                 if (DB_TYPE == "pgsql") {
3553                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3554                 } else if (DB_TYPE == "mysql") {
3555                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3556                 }
3557
3558                 $result = db_query($link, "SELECT ttrss_entries.title,
3559                                 ttrss_feeds.title AS feed_title,
3560                                 date_entered,
3561                                 ttrss_user_entries.ref_id,
3562                                 link,
3563                                 SUBSTRING(content, 1, 120) AS excerpt,
3564                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3565                         FROM
3566                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3567                         WHERE
3568                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3569                                 AND include_in_digest = true
3570                                 AND $interval_query
3571                                 AND hidden = false
3572                                 AND ttrss_user_entries.owner_uid = $user_id
3573                                 AND unread = true
3574                         ORDER BY ttrss_feeds.title, date_entered DESC
3575                         LIMIT $limit");
3576
3577                 $cur_feed_title = "";
3578
3579                 $headlines_count = db_num_rows($result);
3580
3581                 $headlines = array();
3582
3583                 while ($line = db_fetch_assoc($result)) {
3584                         array_push($headlines, $line);
3585                 }
3586
3587                 for ($i = 0; $i < sizeof($headlines); $i++) {
3588
3589                         $line = $headlines[$i];
3590
3591                         array_push($affected_ids, $line["ref_id"]);
3592
3593                         $updated = smart_date_time(strtotime($line["last_updated"]));
3594
3595                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3596                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3597                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3598                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3599                         $tpl->setVariable('ARTICLE_EXCERPT',
3600                                 truncate_string(strip_tags($line["excerpt"]), 100));
3601
3602                         $tpl->addBlock('article');
3603
3604                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3605                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3606                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3607                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3608 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3609 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3610
3611                         $tpl_t->addBlock('article');
3612
3613                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3614                                 $tpl->addBlock('feed');
3615                                 $tpl_t->addBlock('feed');
3616                         }
3617
3618                 }
3619
3620                 $tpl->addBlock('digest');
3621                 $tpl->generateOutputToString($tmp);
3622
3623                 $tpl_t->addBlock('digest');
3624                 $tpl_t->generateOutputToString($tmp_t);
3625
3626                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3627         }
3628
3629         function check_for_update($link, $brief_fmt = true) {
3630                 $releases_feed = "http://tt-rss.spb.ru/releases.rss";
3631
3632                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3633                         return;
3634                 }
3635
3636                 error_reporting(0);
3637                 if (ENABLE_SIMPLEPIE) {
3638                         $rss = new SimplePie();
3639                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3640 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3641                         $rss->set_feed_url($fetch_url);
3642                         $rss->set_output_encoding('UTF-8');
3643                         $rss->init();
3644                 } else {
3645                         $rss = fetch_rss($releases_feed);
3646                 }
3647                 error_reporting (DEFAULT_ERROR_LEVEL);
3648
3649                 if ($rss) {
3650
3651                         if (ENABLE_SIMPLEPIE) {
3652                                 $items = $rss->get_items();
3653                         } else {
3654                                 $items = $rss->items;
3655
3656                                 if (!$items || !is_array($items)) $items = $rss->entries;
3657                                 if (!$items || !is_array($items)) $items = $rss;
3658                         }
3659
3660                         if (!is_array($items) || count($items) == 0) {
3661                                 return;
3662                         }
3663
3664                         $latest_item = $items[0];
3665
3666                         if (ENABLE_SIMPLEPIE) {
3667                                 $last_title = $latest_item->get_title();
3668                         } else {
3669                                 $last_title = $latest_item["title"];
3670                         }
3671
3672                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3673
3674                         if (ENABLE_SIMPLEPIE) {
3675                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3676                                 $content = sanitize_rss($link, $latest_item->get_description());
3677                         } else {
3678                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3679                                 $content = sanitize_rss($link, $latest_item["description"]);
3680                         }
3681
3682                         if (version_compare(VERSION, $latest_version) == -1) {
3683                                 if ($brief_fmt) {
3684                                         return format_notice("<a href=\"javascript:showBlockElement('milestoneDetails')\">
3685                                                 New version of Tiny-Tiny RSS ($latest_version) is available (click for details)</a>
3686                                                 <div id=\"milestoneDetails\">$content</div>");
3687                                 } else {
3688                                         return "New version of Tiny-Tiny RSS ($latest_version) is available:
3689                                                 <div class='milestoneDetails'>$content</div>
3690                                                 Visit <a target=\"_new\" href=\"http://tt-rss.spb.ru/\">official site</a> for
3691                                                 download and update information.";
3692                                 }
3693
3694                         }
3695                 }
3696         }
3697
3698         function markArticlesById($link, $ids, $cmode) {
3699
3700                 $tmp_ids = array();
3701
3702                 foreach ($ids as $id) {
3703                         array_push($tmp_ids, "ref_id = '$id'");
3704                 }
3705
3706                 $ids_qpart = join(" OR ", $tmp_ids);
3707
3708                 if ($cmode == 0) {
3709                         db_query($link, "UPDATE ttrss_user_entries SET
3710                         marked = false,last_read = NOW()
3711                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3712                 } else if ($cmode == 1) {
3713                         db_query($link, "UPDATE ttrss_user_entries SET
3714                         marked = true
3715                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3716                 } else {
3717                         db_query($link, "UPDATE ttrss_user_entries SET
3718                         marked = NOT marked,last_read = NOW()
3719                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3720                 }
3721         }
3722
3723         function publishArticlesById($link, $ids, $cmode) {
3724
3725                 $tmp_ids = array();
3726
3727                 foreach ($ids as $id) {
3728                         array_push($tmp_ids, "ref_id = '$id'");
3729                 }
3730
3731                 $ids_qpart = join(" OR ", $tmp_ids);
3732
3733                 if ($cmode == 0) {
3734                         db_query($link, "UPDATE ttrss_user_entries SET
3735                         published = false,last_read = NOW()
3736                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3737                 } else if ($cmode == 1) {
3738                         db_query($link, "UPDATE ttrss_user_entries SET
3739                         published = true
3740                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3741                 } else {
3742                         db_query($link, "UPDATE ttrss_user_entries SET
3743                         published = NOT published,last_read = NOW()
3744                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3745                 }
3746         }
3747
3748         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
3749
3750                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3751
3752                 $tmp_ids = array();
3753
3754                 foreach ($ids as $id) {
3755                         array_push($tmp_ids, "ref_id = '$id'");
3756                 }
3757
3758                 $ids_qpart = join(" OR ", $tmp_ids);
3759
3760                 if ($cmode == 0) {
3761                         db_query($link, "UPDATE ttrss_user_entries SET
3762                         unread = false,last_read = NOW()
3763                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3764                 } else if ($cmode == 1) {
3765                         db_query($link, "UPDATE ttrss_user_entries SET
3766                         unread = true
3767                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3768                 } else {
3769                         db_query($link, "UPDATE ttrss_user_entries SET
3770                         unread = NOT unread,last_read = NOW()
3771                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
3772                 }
3773         }
3774
3775         function catchupArticleById($link, $id, $cmode) {
3776
3777                 if ($cmode == 0) {
3778                         db_query($link, "UPDATE ttrss_user_entries SET
3779                         unread = false,last_read = NOW()
3780                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3781                 } else if ($cmode == 1) {
3782                         db_query($link, "UPDATE ttrss_user_entries SET
3783                         unread = true
3784                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3785                 } else {
3786                         db_query($link, "UPDATE ttrss_user_entries SET
3787                         unread = NOT unread,last_read = NOW()
3788                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3789                 }
3790         }
3791
3792         function make_guid_from_title($title) {
3793                 return preg_replace("/[ \"\',.:;]/", "-",
3794                         mb_strtolower(strip_tags($title), 'utf-8'));
3795         }
3796
3797         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
3798                         $bottom = false, $rtl_content = false, $feed_id = 0,
3799                         $is_cat = false, $search = false, $match_on = false,
3800                         $search_mode = false, $offset = 0, $limit = 0,
3801                         $dashboard_menu = 0, $disable_feed = 0, $feed_small_icon = 0) {
3802
3803                         $user_page_offset = $offset + 1;
3804
3805                         if (!$bottom) {
3806                                 $class = "headlinesSubToolbar";
3807                                 $tid = "headlineActionsTop";
3808                         } else {
3809                                 $class = "headlinesSubToolbar";
3810                                 $tid = "headlineActionsBottom";
3811                         }
3812
3813                         print "<table class=\"$class\" id=\"$tid\"
3814                                 width=\"100%\" cellspacing=\"0\" cellpadding=\"0\"><tr>";
3815
3816                         if ($rtl_content) {
3817                                 $rtl_cpart = "RTL";
3818                         } else {
3819                                 $rtl_cpart = "";
3820                         }
3821
3822                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
3823                         $page_next_link = "javascript:viewFeedGoPage(1)";
3824                         $page_first_link = "javascript:viewFeedGoPage(0)";
3825
3826                         $catchup_page_link = "javascript:catchupPage()";
3827                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
3828                         $catchup_sel_link = "javascript:catchupSelection()";
3829
3830                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3831
3832                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
3833                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
3834                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
3835
3836                                 $tog_unread_link = "javascript:selectionToggleUnread()";
3837                                 $tog_marked_link = "javascript:selectionToggleMarked()";
3838                                 $tog_published_link = "javascript:selectionTogglePublished()";
3839
3840                         } else {
3841
3842                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
3843                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
3844                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
3845
3846                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
3847                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
3848                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
3849
3850                         }
3851
3852                         if (!$dashboard_menu) {
3853
3854                                 if (strpos($_SESSION["client.userAgent"], "MSIE") === false) {
3855
3856                                         print "<td class=\"headlineActions$rtl_cpart\">
3857                                                 <ul class=\"headlineDropdownMenu\">
3858                                                 <li class=\"top2\">
3859                                                 ".__('Select:')."
3860                                                         <a href=\"$sel_all_link\">".__('All')."</a>,
3861                                                         <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3862                                                         <a href=\"$sel_none_link\">".__('None')."</a></li>
3863                                                 <li class=\"vsep\">&nbsp;</li>
3864                                                 <li class=\"top\">".__('Actions...')."<ul>
3865                                                         <li><span class=\"insensitive\">".__('Selection toggle:')."</span></li>
3866                                                         <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
3867                                                         <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
3868                                                         <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
3869                                                         <li><span class=\"insensitive\">--------</span></li>
3870                                                         <li><span class=\"insensitive\">".__('Mark as read:')."</span></li>
3871                                                         <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Selection')."</li>";
3872
3873 /*                              if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3874
3875                                         print "
3876                                                 <li onclick=\"catchupRelativeToArticle(0)\">&nbsp;&nbsp;".__("Above active article")."</li>
3877                                                 <li onclick=\"catchupRelativeToArticle(1)\">&nbsp;&nbsp;".__("Below active article")."</li>";
3878                                 } else {
3879                                         print "
3880                                                 <li><span class=\"insensitive\">&nbsp;&nbsp;".__("Above active article")."</span></li>
3881                                                 <li><span class=\"insensitive\">&nbsp;&nbsp;".__("Below active article")."</span></li>";
3882
3883                                 } */
3884
3885                                 print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed')."</li>";
3886
3887                                 print "<li><span class=\"insensitive\">--------</span></li>";
3888                                 print "<li><span class=\"insensitive\">".__('Other actions:')."</span></li>";
3889
3890
3891                                 if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3892                                         print "
3893                                                 <li onclick=\"javascript:labelFromSearch('$search', '$search_mode',
3894                                                         '$match_on', '$feed_id', '$is_cat');\">&nbsp;&nbsp;
3895                                                         ".__('Search to label')."</li>";
3896                                 } else {
3897                                         print "<li><span class=\"insensitive\">&nbsp;&nbsp;".__('Search to label')."</li>";
3898
3899                                 }
3900
3901                                 print   "</ul></li></ul>";
3902                                 print "</td>";
3903
3904                                 } else {
3905                                         // old style subtoolbar:
3906
3907                                         print "<td class=\"headlineActions$rtl_cpart\">".
3908                                                 __('Select:')."
3909                                                                         <a href=\"$sel_all_link\">".__('All')."</a>,
3910                                                                         <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3911                                                                         <a href=\"$sel_none_link\">".__('None')."</a>
3912                                                         &nbsp;&nbsp;".
3913                                                         __('Toggle:')." <a href=\"$tog_unread_link\">".__('Unread')."</a>,
3914                                                                 <a href=\"$tog_marked_link\">".__('Starred')."</a>
3915                                                         &nbsp;&nbsp;".
3916                                                         __('Mark as read:')."
3917                                                                 <a href=\"#\" onclick=\"$catchup_page_link\">".__('Page')."</a>,
3918                                                                 <a href=\"#\" onclick=\"$catchup_feed_link\">".__('Feed')."</a>";
3919
3920                                         if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3921
3922                                                 print "&nbsp;&nbsp;
3923                                                                 <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3924                                                                         '$match_on', '$feed_id', '$is_cat');\">
3925                                                                 ".__('Convert to label')."</a>";
3926                                         }
3927
3928                                         print "</td>";
3929
3930                                 }
3931                         } else { // dashboard menu actions
3932
3933                                 // not implemented
3934                                 print "</td>";
3935                         }
3936
3937                         print "<td class=\"headlineTitle$rtl_cpart\">";
3938
3939                         print "<span id=\"subtoolbar_search\"
3940                                 style=\"display : none\">Search: <input
3941                                 id=\"subtoolbar_search_box\"
3942                                 onblur=\"javascript:enableHotkeys();\"
3943                                 onfocus=\"javascript:disableHotkeys();\"
3944                                 onchange=\"subtoolbarSearch()\"
3945                                 onkeyup=\"subtoolbarSearch()\" type=\"search\"></span>";
3946
3947                         print "<span id=\"subtoolbar_ftitle\">";
3948
3949                         if ($feed_site_url) {
3950                                 if (!$bottom) {
3951                                         $target = "target=\"_new\"";
3952                                 }
3953                                 print "<a $target href=\"$feed_site_url\">".
3954                                         truncate_string($feed_title,30)."</a>";
3955                         } else {
3956                                 print $feed_title;
3957                         }
3958
3959                         if ($search) {
3960                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
3961                         }
3962
3963                         if ($user_page_offset > 1) {
3964                                 print " [$user_page_offset] ";
3965                         }
3966
3967                         if (!$bottom && !$disable_feed) {
3968                                 print "
3969                                         <a target=\"_new\"
3970                                                 href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
3971                                                 <img class=\"noborder\"
3972                                                         alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
3973                                         </a>";
3974                         } else if ($feed_small_icon) {
3975                                 print "<img class=\"noborder\" alt=\"\" src=\"images/$feed_small_icon\">";
3976                         }
3977
3978                         print "</span>";
3979
3980                         print "</td>";
3981                         print "</tr></table>";
3982
3983                 }
3984
3985         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
3986
3987                         $tmp_category = getCategoryTitle($link, $cat_id);
3988                         $cat_unread = getCategoryUnread($link, $cat_id);
3989
3990                         if ($hidden) {
3991                                 $holder_style = "display:none;";
3992                                 $ellipsis = "…";
3993                         } else {
3994                                 $holder_style = "";
3995                                 $ellipsis = "";
3996                         }
3997
3998                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3999
4000                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
4001                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>";
4002
4003                         if ($can_browse) {
4004                                 print "<a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">";
4005                         } else {
4006                                 print "<span id=\"FCAP-$cat_id\">";
4007                         }
4008
4009                         print " <span id=\"FCATCTR-$cat_id\"
4010                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4011
4012                         if ($can_browse) {
4013                                 print "</a>";
4014                         } else {
4015                                 print "</span>";
4016                         }
4017
4018                         print "</li>";
4019
4020                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4021         }
4022
4023         function outputFeedList($link, $tags = false) {
4024
4025                 print "<ul class=\"feedList\" id=\"feedList\">";
4026
4027                 $owner_uid = $_SESSION["uid"];
4028
4029                 /* virtual feeds */
4030
4031                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4032
4033                         if ($_COOKIE["ttrss_vf_vclps"] == 1) {
4034                                 $cat_hidden = true;
4035                         } else {
4036                                 $cat_hidden = false;
4037                         }
4038
4039 #                       print "<li class=\"feedCat\">".__('Special')."</li>";
4040 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\">";
4041 #                       print "<li class=\"feedCat\">".
4042 #                               "<a id=\"FCATN--1\" href=\"javascript:toggleCollapseCat(-1)\">".
4043 #                               __('Special')."</a> <span id='FCAP--1'>$ellipsis</span></li>";
4044 #
4045 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\">
4046 #                               <ul class=\"feedCatList\" id='FCATLIST--1' style='$holder_style'>";
4047
4048 #                       $cat_unread = getCategoryUnread($link, -1);
4049 #                       $tmp_category = __("Special");
4050 #                       $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4051
4052                         printCategoryHeader($link, -1, $cat_hidden, false);
4053                 }
4054
4055                 if (defined('_ENABLE_DASHBOARD')) {
4056                         printFeedEntry(-4, "virt", __("Dashboard"), 0,
4057                                 "images/tag.png", $link);
4058                 }
4059
4060                 $num_starred = getFeedUnread($link, -1);
4061                 $num_published = getFeedUnread($link, -2);
4062                 $num_fresh = getFeedUnread($link, -3);
4063
4064                 $class = "virt";
4065
4066                 if ($num_fresh > 0) $class .= "Unread";
4067
4068                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh,
4069                         "images/fresh.png", $link);
4070
4071                 $class = "virt";
4072
4073                 if ($num_starred > 0) $class .= "Unread";
4074
4075                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4076
4077                 if ($is_ie) {
4078                         $mark_img_ext = "gif";
4079                 } else {
4080                         $mark_img_ext = "png";
4081                 }
4082
4083                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
4084                         "images/mark_set.$mark_img_ext", $link);
4085
4086                 $class = "virt";
4087
4088                 if ($num_published > 0) $class .= "Unread";
4089
4090                 printFeedEntry(-2, $class, __("Published articles"), $num_published,
4091                         "images/pub_set.gif", $link);
4092
4093                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4094                         print "</ul>";
4095                 }
4096
4097                 if (!$tags) {
4098
4099                         if (GLOBAL_ENABLE_LABELS && get_pref($link, 'ENABLE_LABELS')) {
4100
4101                                 $result = db_query($link, "SELECT id,sql_exp,description FROM
4102                                         ttrss_labels WHERE owner_uid = '$owner_uid' ORDER by description");
4103
4104                                 if (db_num_rows($result) > 0) {
4105                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4106
4107                                                 if ($_COOKIE["ttrss_vf_lclps"] == 1) {
4108                                                         $cat_hidden = true;
4109                                                 } else {
4110                                                         $cat_hidden = false;
4111                                                 }
4112
4113                                                 printCategoryHeader($link, -2, $cat_hidden, false);
4114
4115 #                                               print "<li class=\"feedCat\">".
4116 #                                                       "<a id=\"FCATN--2\" href=\"javascript:toggleCollapseCat(-2)\">".
4117 #                                                       __('Labels')."</a> <span id='FCAP--2'>$ellipsis</span></li>";
4118 #
4119 #                                               print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\" id='FCATLIST--2' style='$holder_style'>";
4120                                         } else {
4121                                                 print "<li><hr></li>";
4122                                         }
4123                                 }
4124
4125                                 while ($line = db_fetch_assoc($result)) {
4126
4127                                         error_reporting (0);
4128
4129                                         $label_id = -$line['id'] - 11;
4130                                         $count = getFeedUnread($link, $label_id);
4131
4132                                         $class = "label";
4133
4134                                         if ($count > 0) {
4135                                                 $class .= "Unread";
4136                                         }
4137
4138                                         error_reporting (DEFAULT_ERROR_LEVEL);
4139
4140                                         printFeedEntry($label_id,
4141                                                 $class, $line["description"],
4142                                                 $count, "images/label.png", $link);
4143
4144                                 }
4145
4146                                 if (db_num_rows($result) > 0) {
4147                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4148                                                 print "</ul>";
4149                                         }
4150                                 }
4151
4152                         }
4153
4154                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4155                                 print "<li><hr></li>";
4156                         }
4157
4158                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4159                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4160                                         $order_by_qpart = "category,unread DESC,title";
4161                                 } else {
4162                                         $order_by_qpart = "category,title";
4163                                 }
4164                         } else {
4165                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4166                                         $order_by_qpart = "unread DESC,title";
4167                                 } else {
4168                                         $order_by_qpart = "title";
4169                                 }
4170                         }
4171
4172                         $age_qpart = getMaxAgeSubquery();
4173
4174                         $result = db_query($link, "SELECT ttrss_feeds.*,
4175                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4176                                 (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
4177                                         WHERE feed_id = ttrss_feeds.id AND unread = true
4178                                                 AND $age_qpart
4179                                                 AND ttrss_user_entries.ref_id = ttrss_entries.id
4180                                                 AND owner_uid = '$owner_uid') as unread,
4181                                 cat_id,last_error,
4182                                 ttrss_feed_categories.title AS category,
4183                                 ttrss_feed_categories.collapsed
4184                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4185                                         ON (ttrss_feed_categories.id = cat_id)
4186                                 WHERE
4187                                         ttrss_feeds.hidden = false AND
4188                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4189                                 ORDER BY $order_by_qpart");
4190
4191                         $actid = $_GET["actid"];
4192
4193                         /* real feeds */
4194
4195                         $lnum = 0;
4196
4197                         $total_unread = 0;
4198
4199                         $category = "";
4200
4201                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4202
4203                         while ($line = db_fetch_assoc($result)) {
4204
4205                                 $feed = trim($line["title"]);
4206
4207                                 if (!$feed) $feed = "[Untitled]";
4208
4209                                 $feed_id = $line["id"];
4210
4211                                 $subop = $_GET["subop"];
4212
4213                                 $unread = $line["unread"];
4214
4215                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4216                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4217                                 } else {
4218                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4219                                 }
4220
4221                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4222
4223                                 if ($rtl_content) {
4224                                         $rtl_tag = "dir=\"RTL\"";
4225                                 } else {
4226                                         $rtl_tag = "";
4227                                 }
4228
4229                                 $tmp_result = db_query($link,
4230                                         "SELECT id,COUNT(unread) AS unread
4231                                         FROM ttrss_feeds LEFT JOIN ttrss_user_entries
4232                                                 ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
4233                                         WHERE parent_feed = '$feed_id' AND unread = true
4234                                         GROUP BY ttrss_feeds.id");
4235
4236                                 if (db_num_rows($tmp_result) > 0) {
4237                                         while ($l = db_fetch_assoc($tmp_result)) {
4238                                                 $unread += $l["unread"];
4239                                         }
4240                                 }
4241
4242                                 $cat_id = $line["cat_id"];
4243
4244                                 $tmp_category = $line["category"];
4245
4246                                 if (!$tmp_category) {
4247                                         $tmp_category = __("Uncategorized");
4248                                 }
4249
4250         //                      $class = ($lnum % 2) ? "even" : "odd";
4251
4252                                 if ($line["last_error"]) {
4253                                         $class = "error";
4254                                 } else {
4255                                         $class = "feed";
4256                                 }
4257
4258                                 if ($unread > 0) $class .= "Unread";
4259
4260                                 if ($actid == $feed_id) {
4261                                         $class .= "Selected";
4262                                 }
4263
4264                                 $total_unread += $unread;
4265
4266                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4267
4268                                         if ($category) {
4269                                                 print "</ul></li>";
4270                                         }
4271
4272                                         $category = $tmp_category;
4273
4274                                         $collapsed = $line["collapsed"];
4275
4276                                         // workaround for NULL category
4277                                         if ($category == __("Uncategorized")) {
4278                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
4279                                                         $collapsed = "t";
4280                                                 }
4281                                         }
4282
4283                                         if ($collapsed == "t" || $collapsed == "1") {
4284                                                 $holder_class = "feedCatHolder";
4285                                                 $holder_style = "display:none;";
4286                                                 $ellipsis = "…";
4287                                         } else {
4288                                                 $holder_class = "feedCatHolder";
4289                                                 $holder_style = "";
4290                                                 $ellipsis = "";
4291                                         }
4292
4293                                         $cat_id = sprintf("%d", $cat_id);
4294
4295                                         $cat_unread = getCategoryUnread($link, $cat_id);
4296
4297                                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4298
4299                                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
4300                                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>
4301                                                         <a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">
4302                                                         <span id=\"FCATCTR-$cat_id\"
4303                                                         class=\"$catctr_class\">($cat_unread)</span> $ellipsis
4304                                                         </a></li>";
4305
4306                                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4307                                 }
4308
4309                                 printFeedEntry($feed_id, $class, $feed, $unread,
4310                                         ICONS_URL."/$feed_id.ico", $link, $rtl_content,
4311                                         $last_updated, $line["last_error"]);
4312
4313                                 ++$lnum;
4314                         }
4315
4316                         if (db_num_rows($result) == 0) {
4317                                 print "<li>".__('No feeds to display.')."</li>";
4318                         }
4319
4320                 } else {
4321
4322                         // tags
4323
4324 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4325                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4326                                 post_int_id = ttrss_user_entries.int_id AND
4327                                 unread = true AND ref_id = ttrss_entries.id
4328                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4329                         UNION
4330                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4331                         ORDER BY tag_name"); */
4332
4333                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4334                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4335                                 print "<li id=\"feedCatHolder\"><ul class=\"feedCatList\">";
4336                         }
4337
4338                         $age_qpart = getMaxAgeSubquery();
4339
4340                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4341                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4342                                         AND ref_id = id AND $age_qpart
4343                                         AND unread = true)) AS count FROM ttrss_tags
4344                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4345                                         ORDER BY count DESC LIMIT 50");
4346
4347                         $tags = array();
4348
4349                         while ($line = db_fetch_assoc($result)) {
4350                                 $tags[$line["tag_name"]] += $line["count"];
4351                         }
4352
4353                         foreach (array_keys($tags) as $tag) {
4354
4355                                 $unread = $tags[$tag];
4356
4357                                 $class = "tag";
4358
4359                                 if ($unread > 0) {
4360                                         $class .= "Unread";
4361                                 }
4362
4363                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4364
4365                         }
4366
4367                         if (db_num_rows($result) == 0) {
4368                                 print "<li>No tags to display.</li>";
4369                         }
4370
4371                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4372                                 print "</ul>";
4373                         }
4374
4375                 }
4376
4377                 print "</ul>";
4378
4379         }
4380
4381         function get_article_tags($link, $id, $owner_uid = 0) {
4382
4383                 $a_id = db_escape_string($id);
4384
4385                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4386
4387                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4388                         owner_uid as owner FROM
4389                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4390                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4391
4392                 $tags = array();
4393
4394                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4395                         array_push($tags, $tmp_line["tag_name"]);
4396                 }
4397
4398                 return $tags;
4399         }
4400
4401         function trim_value(&$value) {
4402                 $value = trim($value);
4403         }
4404
4405         function trim_array($array) {
4406                 $tmp = $array;
4407                 array_walk($tmp, 'trim_value');
4408                 return $tmp;
4409         }
4410
4411         function tag_is_valid($tag) {
4412                 if ($tag == '') return false;
4413                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4414
4415                 $tag = iconv("utf-8", "utf-8", $tag);
4416                 if (!$tag) return false;
4417
4418                 return true;
4419         }
4420
4421         function render_login_form($link, $mobile = false) {
4422                 if (!$mobile) {
4423                         require_once "login_form.php";
4424                 } else {
4425                         require_once "mobile/login_form.php";
4426                 }
4427         }
4428
4429         // from http://developer.apple.com/internet/safari/faq.html
4430         function no_cache_incantation() {
4431                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4432                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4433                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4434                 header("Cache-Control: post-check=0, pre-check=0", false);
4435                 header("Pragma: no-cache"); // HTTP/1.0
4436         }
4437
4438         function format_warning($msg, $id = "") {
4439                 return "<div class=\"warning\" id=\"$id\">
4440                         <img src=\"images/sign_excl.gif\">$msg</div>";
4441         }
4442
4443         function format_notice($msg) {
4444                 return "<div class=\"notice\">
4445                         <img src=\"images/sign_info.gif\">$msg</div>";
4446         }
4447
4448         function format_error($msg) {
4449                 return "<div class=\"error\">
4450                         <img src=\"images/sign_excl.gif\">$msg</div>";
4451         }
4452
4453         function print_notice($msg) {
4454                 return print format_notice($msg);
4455         }
4456
4457         function print_warning($msg) {
4458                 return print format_warning($msg);
4459         }
4460
4461         function print_error($msg) {
4462                 return print format_error($msg);
4463         }
4464
4465
4466         function T_sprintf() {
4467                 $args = func_get_args();
4468                 return vsprintf(__(array_shift($args)), $args);
4469         }
4470
4471         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true) {
4472
4473                 /* we can figure out feed_id from article id anyway, why do we
4474                  * pass feed_id here? */
4475
4476                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4477                         WHERE ref_id = '$id'");
4478
4479                 $feed_id = db_fetch_result($result, 0, "feed_id");
4480
4481                 print "<article id='$id'><![CDATA[";
4482
4483                 $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4484                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4485
4486                 if (db_num_rows($result) == 1) {
4487                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4488                 } else {
4489                         $rtl_content = false;
4490                 }
4491
4492                 if ($rtl_content) {
4493                         $rtl_tag = "dir=\"RTL\"";
4494                         $rtl_class = "RTL";
4495                 } else {
4496                         $rtl_tag = "";
4497                         $rtl_class = "";
4498                 }
4499
4500                 if ($mark_as_read) {
4501                         $result = db_query($link, "UPDATE ttrss_user_entries
4502                                 SET unread = false,last_read = NOW()
4503                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4504                 }
4505
4506                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4507                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4508                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4509                         num_comments,
4510                         author
4511                         FROM ttrss_entries,ttrss_user_entries
4512                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4513
4514                 if ($result) {
4515
4516                         $link_target = "";
4517
4518                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4519                                 $link_target = "target=\"_new\"";
4520                         }
4521
4522                         $line = db_fetch_assoc($result);
4523
4524                         if ($line["icon_url"]) {
4525                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4526                         } else {
4527                                 $feed_icon = "&nbsp;";
4528                         }
4529
4530 /*                      if ($line["comments"] && $line["link"] != $line["comments"]) {
4531                                 $entry_comments = "(<a href=\"".$line["comments"]."\">Comments</a>)";
4532                         } else {
4533                                 $entry_comments = "";
4534                         } */
4535
4536                         $num_comments = $line["num_comments"];
4537                         $entry_comments = "";
4538
4539                         if ($num_comments > 0) {
4540                                 if ($line["comments"]) {
4541                                         $comments_url = $line["comments"];
4542                                 } else {
4543                                         $comments_url = $line["link"];
4544                                 }
4545                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4546                         } else {
4547                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4548                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4549                                 }
4550                         }
4551
4552                         print "<div class=\"postReply\">";
4553
4554                         print "<div class=\"postHeader\">";
4555
4556                         $entry_author = $line["author"];
4557
4558                         if ($entry_author) {
4559                                 $entry_author = __(" - ") . $entry_author;
4560                         }
4561
4562                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4563                                 strtotime($line["updated"]));
4564
4565                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4566
4567                         if ($line["link"]) {
4568                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4569                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4570                         } else {
4571                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4572                         }
4573
4574 /*                      $tmp_result = db_query($link, "SELECT DISTINCT tag_name FROM
4575                                 ttrss_tags WHERE post_int_id = " . $line["int_id"] . "
4576                                 ORDER BY tag_name"); */
4577
4578                         $tags = get_article_tags($link, $id);
4579
4580                         $tags_str = "";
4581                         $f_tags_str = "";
4582
4583                         $num_tags = 0;
4584
4585                         if ($_SESSION["theme"] == "3pane") {
4586                                 $tag_limit = 3;
4587                         } else {
4588                                 $tag_limit = 6;
4589                         }
4590
4591                         foreach ($tags as $tag) {
4592                                 $num_tags++;
4593                                 $tag_escaped = str_replace("'", "\\'", $tag);
4594
4595                                 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>, ";
4596
4597                                 if ($num_tags == $tag_limit) {
4598                                         $tags_str .= "&hellip;";
4599
4600                                 } else if ($num_tags < $tag_limit) {
4601                                         $tags_str .= $tag_str;
4602                                 }
4603                                 $f_tags_str .= $tag_str;
4604                         }
4605
4606                         $tags_str = preg_replace("/, $/", "", $tags_str);
4607                         $f_tags_str = preg_replace("/, $/", "", $f_tags_str);
4608
4609                         $all_tags_div = "<span class='cdmAllTagsCtr'>&hellip;<div class='cdmAllTags'>All Tags: $f_tags_str</div></span>";
4610                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4611
4612                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4613
4614                         if (!$tags_str) $tags_str = '<span class="tagList">'.__('no tags').'</span>';
4615
4616                         print "<div style='float : right'>
4617                                 <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>
4618                                 $tags_str
4619                                 <a title=\"Edit tags for this article\"
4620                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a></div>
4621                                 <div clear='both'>$entry_comments</div>";
4622
4623                         print "</div>";
4624
4625                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4626                         print "<div class=\"postContent\">";
4627
4628                         #print "<div id=\"allEntryTags\">".__('Tags:')." $f_tags_str</div>";
4629
4630                         $line["content"] = sanitize_rss($link, $line["content"]);
4631
4632                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4633                                 $line["content"] = preg_replace("/href=/i", "target=\"_new\" href=", $line["content"]);
4634                         }
4635
4636                         print $line["content"];
4637
4638                         $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4639                                 post_id = '$id' AND content_url != ''");
4640
4641                         if (db_num_rows($result) > 0) {
4642                                 print "<div class=\"postEnclosures\">";
4643
4644                                 if (db_num_rows($result) == 1) {
4645                                         print __("Attachment:") . " ";
4646                                 } else {
4647                                         print __("Attachments:") . " ";
4648                                 }
4649
4650                                 $entries = array();
4651
4652                                 while ($line = db_fetch_assoc($result)) {
4653
4654                                         $url = $line["content_url"];
4655                                         $ctype = $line["content_type"];
4656
4657                                         if (!$ctype) $ctype = __("unknown type");
4658
4659                                         $filename = substr($url, strrpos($url, "/")+1);
4660
4661                                         $entry = "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4662                                                 $filename . " (" . $ctype . ")" . "</a>";
4663
4664                                         array_push($entries, $entry);
4665                                 }
4666
4667                                 print join(", ", $entries);
4668
4669                                 print "</div>";
4670                         }
4671
4672                         print "</div>";
4673
4674                         print "</div>";
4675
4676                 }
4677
4678                 print "]]></article>";
4679
4680         }
4681
4682         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4683                                         $next_unread_feed, $offset) {
4684
4685                 $disable_cache = false;
4686
4687                 $timing_info = getmicrotime();
4688
4689                 $topmost_article_ids = array();
4690
4691                 if (!$offset) {
4692                         $offset = 0;
4693                 }
4694
4695                 if ($subop == "undefined") $subop = "";
4696
4697                 if ($subop == "CatchupSelected") {
4698                         $ids = split(",", db_escape_string($_GET["ids"]));
4699                         $cmode = sprintf("%d", $_GET["cmode"]);
4700
4701                         catchupArticlesById($link, $ids, $cmode);
4702                 }
4703
4704                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4705                         update_generic_feed($link, $feed, $cat_view, true);
4706                 }
4707
4708                 if ($subop == "MarkAllRead")  {
4709                         catchup_feed($link, $feed, $cat_view);
4710
4711                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4712                                 if ($next_unread_feed) {
4713                                         $feed = $next_unread_feed;
4714                                 }
4715                         }
4716                 }
4717
4718                 if ($feed_id > 0) {
4719                         $result = db_query($link,
4720                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4721
4722                         if (db_num_rows($result) == 0) {
4723                                 print "<div align='center'>".__('Feed not found.')."</div>";
4724                                 return;
4725                         }
4726                 }
4727
4728                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4729
4730                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4731                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4732
4733                         if (db_num_rows($result) == 1) {
4734                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4735                         } else {
4736                                 $rtl_content = false;
4737                         }
4738
4739                         if ($rtl_content) {
4740                                 $rtl_tag = "dir=\"RTL\"";
4741                         } else {
4742                                 $rtl_tag = "";
4743                         }
4744                 } else {
4745                         $rtl_tag = "";
4746                         $rtl_content = false;
4747                 }
4748
4749                 $script_dt_add = get_script_dt_add();
4750
4751                 /// START /////////////////////////////////////////////////////////////////////////////////
4752
4753                 $search = db_escape_string($_GET["query"]);
4754
4755                 if ($search) {
4756                         $disable_cache = true;
4757                 }
4758
4759                 $search_mode = db_escape_string($_GET["search_mode"]);
4760                 $match_on = db_escape_string($_GET["match_on"]);
4761
4762                 if (!$match_on) {
4763                         $match_on = "both";
4764                 }
4765
4766                 $real_offset = $offset * $limit;
4767
4768                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4769
4770                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4771                         $search, $search_mode, $match_on, false, $real_offset);
4772
4773                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4774
4775                 $result = $qfh_ret[0];
4776                 $feed_title = $qfh_ret[1];
4777                 $feed_site_url = $qfh_ret[2];
4778                 $last_error = $qfh_ret[3];
4779
4780                 if ($feed == -2) {
4781                         $feed_site_url = article_publish_url($link);
4782                 }
4783
4784                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4785
4786                 if (!$offset) {
4787                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4788
4789                         if (!$result) {
4790                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4791                                 return;
4792                         }
4793
4794                         print_headline_subtoolbar($link, $feed_site_url, $feed_title, false,
4795                                 $rtl_content, $feed, $cat_view, $search, $match_on, $search_mode,
4796                                 $offset, $limit);
4797
4798                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4799                 }
4800
4801                 $headlines_count = db_num_rows($result);
4802
4803                 if (db_num_rows($result) > 0) {
4804
4805 #                       print "\{$offset}";
4806
4807                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4808                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4809                                         cellspacing=\"0\">";
4810                         }
4811
4812                         $lnum = $limit*$offset;
4813
4814                         error_reporting (DEFAULT_ERROR_LEVEL);
4815
4816                         $num_unread = 0;
4817                         $cur_feed_title = '';
4818
4819                         while ($line = db_fetch_assoc($result)) {
4820
4821                                 $class = ($lnum % 2) ? "even" : "odd";
4822
4823                                 $id = $line["id"];
4824                                 $feed_id = $line["feed_id"];
4825
4826                                 if (count($topmost_article_ids) < 5) {
4827                                         array_push($topmost_article_ids, $id);
4828                                 }
4829
4830                                 if ($line["last_read"] == "" &&
4831                                                 ($line["unread"] != "t" && $line["unread"] != "1")) {
4832
4833                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
4834                                                 alt=\"Updated\">";
4835                                 } else {
4836                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4837                                                 alt=\"Updated\">";
4838                                 }
4839
4840                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4841                                         $class .= "Unread";
4842                                         ++$num_unread;
4843                                         $is_unread = true;
4844                                 } else {
4845                                         $is_unread = false;
4846                                 }
4847
4848                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4849
4850                                 if ($is_ie) {
4851                                         $mark_img_ext = "gif";
4852                                 } else {
4853                                         $mark_img_ext = "png";
4854                                 }
4855
4856                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4857                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
4858                                                 class=\"markedPic\"
4859                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
4860                                 } else {
4861                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
4862                                                 class=\"markedPic\"
4863                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
4864                                 }
4865
4866                                 if ($line["published"] == "t" || $line["published"] == "1") {
4867                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
4868                                                 class=\"markedPic\"
4869                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4870                                 } else {
4871                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
4872                                                 class=\"markedPic\"
4873                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4874                                 }
4875
4876 #                               $content_link = "<a target=\"_new\" href=\"".$line["link"]."\">" .
4877 #                                       $line["title"] . "</a>";
4878
4879                                 $content_link = "<a href=\"javascript:view($id,$feed_id);\">" .
4880                                         $line["title"] . "</a>";
4881
4882 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4883 #                                       $line["title"] . "</a>";
4884
4885                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4886                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
4887                                 } else {
4888                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4889                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
4890                                 }
4891
4892                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4893                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4894                                                 100);
4895                                 }
4896
4897                                 $score = $line["score"];
4898
4899                                 $score_pic = get_score_pic($score);
4900
4901                                 $score_title = __("(Click to change)");
4902
4903                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
4904                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">";
4905
4906                                 if ($score > 500) {
4907                                         $hlc_suffix = "H";
4908                                 } else if ($score < -100) {
4909                                         $hlc_suffix = "L";
4910                                 } else {
4911                                         $hlc_suffix = "";
4912                                 }
4913
4914                                 $entry_author = $line["author"];
4915
4916                                 if ($entry_author) {
4917                                         $entry_author = " - $entry_author";
4918                                 }
4919
4920                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4921
4922                                         if (defined('_VFEED_GROUP_BY_FEED')) {
4923                                                 if ($line["feed_title"] != $cur_feed_title) {
4924 /*                                                      print "<tr class='feedTitle'><td colspan='7'>".
4925                                                                 $line["feed_title"].
4926                                                                 " (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
4927                                                                 "more</a>)</td></tr>"; */
4928
4929                                                         print "<tr class='feedTitle'><td colspan='7'>".
4930                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
4931                                                                 $line["feed_title"]."</a>:</td></tr>";
4932
4933                                                         $cur_feed_title = $line["feed_title"];
4934                                                 }
4935                                         }
4936
4937                                         print "<tr class='$class' id='RROW-$id'>";
4938
4939                                         print "<td class='hlUpdPic'>$update_pic</td>";
4940
4941                                         print "<td class='hlSelectRow'>
4942                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
4943                                                         id=\"RCHK-$id\">
4944                                                 </td>";
4945
4946                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
4947                                         print "<td class='hlMarkedPic'>$published_pic</td>";
4948
4949 #                                       if ($line["feed_title"]) {
4950 #                                               print "<td class='hlContent'>$content_link</td>";
4951 #                                               print "<td class='hlFeed'>
4952 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4953 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
4954 #                                       } else {
4955
4956                                         print "<td class='hlContent$hlc_suffix' valign='middle'>";
4957
4958                                         print "<a id=\"RTITLE-$id\" href=\"javascript:view($id,$feed_id);\">" .
4959                                                 $line["title"];
4960
4961                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4962                                                 if ($content_preview) {
4963                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
4964                                                 }
4965                                         }
4966
4967                                         print "</a>";
4968
4969 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4970 #                                                       $line["feed_title"]."</a>
4971
4972                                         if (!defined('_VFEED_GROUP_BY_FEED')) {
4973                                                 if ($line["feed_title"]) {
4974                                                         print "<span class=\"hlFeed\">
4975                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
4976                                                                 $line["feed_title"]."</a>)
4977                                                         </span>";
4978                                                 }
4979                                         }
4980
4981
4982                                         print "</td>";
4983
4984 #                                       }
4985
4986                                         print "<td class=\"hlUpdated\"><nobr>$updated_fmt&nbsp;</nobr></td>";
4987
4988                                         print "<td class='hlMarkedPic'>$score_pic</td>";
4989
4990                                         print "</tr>";
4991
4992                                 } else {
4993
4994                                         if (defined('_VFEED_GROUP_BY_FEED')) {
4995                                                 if ($line["feed_title"] != $cur_feed_title) {
4996                                                         print "<div class='cdmFeedTitle'>".
4997                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
4998                                                                 $line["feed_title"]."</a></div>";
4999                                                         $cur_feed_title = $line["feed_title"];
5000                                                 }
5001                                         }
5002
5003                                         if ($is_unread) {
5004                                                 $add_class = "Unread";
5005                                         } else {
5006                                                 $add_class = "";
5007                                         }
5008
5009                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5010
5011                                         if ($expand_cdm && $score >= -100) {
5012                                                 $cdm_cstyle = "";
5013                                         } else {
5014                                                 $cdm_cstyle = "style=\"display : none\"";
5015                                         }
5016
5017                                         print "<div class=\"cdmArticle$add_class\"
5018                                                 id=\"RROW-$id\" onmouseover='cdmMouseIn(this)'
5019                                                 onclick='cdmClicked(this)'
5020                                                 onmouseout='cdmMouseOut(this)'>";
5021
5022                                         print "<div class=\"cdmHeader\">";
5023
5024                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic</div>";
5025
5026                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\"
5027                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5028                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5029                                                 ";
5030
5031                                         print $entry_author;
5032
5033                                         if (!$expand_cdm || $score < -100) {
5034                                                 print "&nbsp;<a id=\"CICH-$id\"
5035                                                         href=\"javascript:cdmExpandArticle($id)\">
5036                                                         (".__('Show article').")</a>";
5037                                         }
5038
5039
5040                                         if (!defined('_VFEED_GROUP_BY_FEED')) {
5041                                                 if ($line["feed_title"]) {
5042                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5043                                                 }
5044                                         }
5045
5046                                         print "</span></div>";
5047
5048                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
5049                                                 $line["content_preview"] = preg_replace("/href=/i",
5050                                                         "target=\"_new\" href=", $line["content_preview"]);
5051                                         }
5052
5053                                         print "<div class=\"cdmContent\" id=\"CICD-$id\" $cdm_cstyle>";
5054
5055 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5056
5057                                         print $line["content_preview"];
5058
5059                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5060                                                 post_id = '$id' AND content_url != ''");
5061
5062                                         if (db_num_rows($e_result) > 0) {
5063                                 print "<div class=\"cdmEnclosures\">";
5064
5065                                 if (db_num_rows($e_result) == 1) {
5066                                         print __("Attachment:") . " ";
5067                                 } else {
5068                                         print __("Attachments:") . " ";
5069                                 }
5070
5071                                 $entries = array();
5072
5073                                 while ($e_line = db_fetch_assoc($e_result)) {
5074
5075                                         $url = $e_line["content_url"];
5076                                         $ctype = $e_line["content_type"];
5077                                         if (!$ctype) $ctype = __("unknown type");
5078
5079                                         $filename = substr($url, strrpos($url, "/")+1);
5080
5081                                         $entry = "<a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5082                                                 $filename . " (" . $ctype . ")" . "</a>";
5083
5084                                         array_push($entries, $entry);
5085                                 }
5086
5087                                 print join(", ", $entries);
5088
5089                                 print "</div>";
5090                         }
5091
5092                                         print "<br clear='both'>";
5093 //                                      print "</div>";
5094
5095 /*                                      if (!$expand_cdm) {
5096                                                 print "<a id=\"CICH-$id\"
5097                                                         href=\"javascript:cdmExpandArticle($id)\">
5098                                                         Show article</a>";
5099                                         } */
5100
5101                                         print "</div>";
5102
5103                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5104
5105                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5106
5107                                         print __("Select:").
5108                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5109                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5110
5111                                         print "</span><span class='s1'>$marked_pic</span> ";
5112                                         print "<span class='s1'>$published_pic</span> ";
5113
5114                                         $tags = get_article_tags($link, $id);
5115
5116                                         $tags_str = "";
5117                                         $full_tags_str = "";
5118                                         $num_tags = 0;
5119
5120                                         foreach ($tags as $tag) {
5121                                                 $num_tags++;
5122                                                 $full_tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
5123                                                 if ($num_tags < 5) {
5124                                                         $tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
5125                                                 } else if ($num_tags == 5) {
5126                                                         $tags_str .= "&hellip;";
5127                                                 }
5128                                         }
5129
5130                                         $tags_str = preg_replace("/, $/", "", $tags_str);
5131                                         $full_tags_str = preg_replace("/, $/", "", $full_tags_str);
5132
5133                                         $all_tags_div = "<span class='cdmAllTagsCtr'>&hellip;<div class='cdmAllTags'>All Tags: $full_tags_str</div></span>";
5134
5135                                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
5136
5137
5138                                         if ($tags_str == "") $tags_str = "no tags";
5139
5140 //                                      print "<img src='images/tag.png' class='markedPic'>";
5141
5142                                         print "<span class='s1'>
5143                                                 <img class='tagsPic' src='images/tag.png' alt='Tags'
5144                                                         title='Tags'> $tags_str <a title=\"Edit tags for this article\"
5145                                                         href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5146
5147                                         print "</span>";
5148
5149                                         print "<span class='s2'>Toggle: <a class=\"cdmToggleLink\"
5150                                                         href=\"javascript:toggleUnread($id)\">
5151                                                         Unread</a></span>";
5152
5153                                         print "</div>";
5154                                         print "</div>";
5155
5156                                 }
5157
5158                                 ++$lnum;
5159                         }
5160
5161                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5162                                 print "</table>";
5163                         }
5164
5165 //                      print_headline_subtoolbar($link,
5166 //                              "javascript:catchupPage()", "Mark page as read", true, $rtl_content);
5167
5168
5169                 } else {
5170                         $message = "";
5171
5172                         switch ($view_mode) {
5173                                 case "unread":
5174                                         $message = __("No unread articles found to display.");
5175                                         break;
5176                                 case "marked":
5177                                         $message = __("No starred articles found to display.");
5178                                         break;
5179                                 default:
5180                                         $message = __("No articles found to display.");
5181                         }
5182
5183                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5184                 }
5185
5186                 if (!$offset) {
5187                         print "</div>";
5188                         print "</div>";
5189                 }
5190
5191                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache);
5192         }
5193
5194 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5195
5196         function printTagCloud($link) {
5197
5198                 /* get first ref_id to count from */
5199
5200                 /*
5201
5202                 $query = "";
5203
5204                 if (DB_TYPE == "pgsql") {
5205                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
5206                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
5207                                 AND date_entered > NOW() - INTERVAL '30 days'";
5208                 } else {
5209                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
5210                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
5211                                 AND date_entered > DATE_SUB(NOW(), INTERVAL 30 DAY)";
5212                 }
5213
5214                 $result = db_query($link, $query);
5215                 $first_id = db_fetch_result($result, 0, "id"); */
5216
5217                 //AND post_int_id >= '$first_id'
5218                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5219                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5220                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5221
5222                 $result = db_query($link, $query);
5223
5224                 $tags = array();
5225
5226                 while ($line = db_fetch_assoc($result)) {
5227                         $tags[$line["tag_name"]] = $line["count"];
5228                 }
5229
5230                 ksort($tags);
5231
5232                 $max_size = 32; // max font size in pixels
5233                 $min_size = 11; // min font size in pixels
5234
5235                 // largest and smallest array values
5236                 $max_qty = max(array_values($tags));
5237                 $min_qty = min(array_values($tags));
5238
5239                 // find the range of values
5240                 $spread = $max_qty - $min_qty;
5241                 if ($spread == 0) { // we don't want to divide by zero
5242                                 $spread = 1;
5243                 }
5244
5245                 // set the font-size increment
5246                 $step = ($max_size - $min_size) / ($spread);
5247
5248                 // loop through the tag array
5249                 foreach ($tags as $key => $value) {
5250                         // calculate font-size
5251                         // find the $value in excess of $min_qty
5252                         // multiply by the font-size increment ($size)
5253                         // and add the $min_size set above
5254                         $size = round($min_size + (($value - $min_qty) * $step));
5255
5256                         $key_escaped = str_replace("'", "\\'", $key);
5257
5258                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5259                                 $size . "px\" title=\"$value articles tagged with " .
5260                                 $key . '">' . $key . '</a> ';
5261                 }
5262         }
5263
5264         function print_checkpoint($n, $s) {
5265                 $ts = getmicrotime();
5266                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5267                 return $ts;
5268         }
5269
5270         function sanitize_tag($tag) {
5271                 $tag = trim($tag);
5272
5273                 $tag = mb_strtolower($tag, 'utf-8');
5274
5275                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5276
5277 //              $tag = str_replace('"', "", $tag);
5278 //              $tag = str_replace("+", " ", $tag);
5279                 $tag = str_replace("technorati tag: ", "", $tag);
5280
5281                 return $tag;
5282         }
5283
5284         function generate_publish_key() {
5285                 return sha1(uniqid(rand(), true));
5286         }
5287
5288         function article_publish_url($link) {
5289
5290                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5291
5292                 $url_path .= "?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
5293
5294                 return $url_path;
5295         }
5296
5297         /**
5298          * Purge a feed contents, marked articles excepted.
5299          *
5300          * @param mixed $link The database connection.
5301          * @param integer $id The id of the feed to purge.
5302          * @return void
5303          */
5304         function clear_feed_articles($link, $id) {
5305                 $result = db_query($link, "DELETE FROM ttrss_user_entries
5306                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5307
5308                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5309                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5310         } // function clear_feed_articles
5311
5312         /**
5313          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5314          *
5315          * @return string The Mozilla Firefox feed adding URL.
5316          */
5317         function add_feed_url() {
5318                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5319                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5320                 return $url_path;
5321         } // function add_feed_url
5322
5323         /**
5324          * Encrypt a password in SHA1.
5325          *
5326          * @param string $pass The password to encrypt.
5327          * @param string $login A optionnal login.
5328          * @return string The encrypted password.
5329          */
5330         function encrypt_password($pass, $login = '') {
5331                 if ($login) {
5332                         return "SHA1X:" . sha1("$login:$pass");
5333                 } else {
5334                         return "SHA1:" . sha1($pass);
5335                 }
5336         } // function encrypt_password
5337
5338         /**
5339          * Update a feed batch.
5340          * Used by daemons to update n feeds by run.
5341          * Only update feed needing a update, and not being processed
5342          * by another process.
5343          *
5344          * @param mixed $link Database link
5345          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5346          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5347          * @param boolean $debug Set to false to disable debug output. Default to true.
5348          * @return void
5349          */
5350         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5351                 // Process all other feeds using last_updated and interval parameters
5352
5353                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5354                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5355                         if (DB_TYPE == "pgsql") {
5356                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5357                         } else {
5358                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5359                         }
5360                 } else {
5361                         $login_thresh_qpart = "";
5362                 }
5363
5364                 // Test if the feed need a update (update interval exceded).
5365                 if (DB_TYPE == "pgsql") {
5366                         $update_limit_qpart = "AND ((
5367                                         ttrss_feeds.update_interval = 0
5368                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5369                                 ) OR (
5370                                         ttrss_feeds.update_interval > 0
5371                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5372                                 ) OR ttrss_feeds.last_updated IS NULL)";
5373                 } else {
5374                         $update_limit_qpart = "AND ((
5375                                         ttrss_feeds.update_interval = 0
5376                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5377                                 ) OR (
5378                                         ttrss_feeds.update_interval > 0
5379                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5380                                 ) OR ttrss_feeds.last_updated IS NULL)";
5381                 }
5382
5383                 // Test if feed is currently being updated by another process.
5384                 if (DB_TYPE == "pgsql") {
5385                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5386                 } else {
5387                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5388                 }
5389
5390                 // Test if there is a limit to number of updated feeds
5391                 $query_limit = "";
5392                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5393
5394                 $random_qpart = sql_random_function();
5395
5396                 // We search for feed needing update.
5397                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5398                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5399                                 ttrss_feeds.update_interval
5400                         FROM
5401                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5402                         WHERE
5403                                 ttrss_feeds.owner_uid = ttrss_users.id
5404                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5405                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5406                                 $login_thresh_qpart $update_limit_qpart
5407                          $updstart_thresh_qpart
5408                         ORDER BY $random_qpart $query_limit");
5409
5410                 $user_prefs_cache = array();
5411
5412                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5413
5414                 // Here is a little cache magic in order to minimize risk of double feed updates.
5415                 $feeds_to_update = array();
5416                 while ($line = db_fetch_assoc($result)) {
5417                         $feeds_to_update[$line['id']] = $line;
5418                 }
5419
5420                 // We update the feed last update started date before anything else.
5421                 // There is no lag due to feed contents downloads
5422                 // It prevent an other process to update the same feed.
5423                 $feed_ids = array_keys($feeds_to_update);
5424                 if($feed_ids) {
5425                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5426                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5427                 }
5428
5429                 // For each feed, we call the feed update function.
5430                 while ($line = array_pop($feeds_to_update)) {
5431
5432                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5433
5434                         // We setup a alarm to alert if the feed take more than 300s to update.
5435                         // => HANG alarm.
5436                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(300);
5437                         update_rss_feed($link, $line["feed_url"], $line["id"], true);
5438                         // Cancel the alarm (the update went well)
5439                         if(!$from_http && function_exists('pcntl_alarm')) pcntl_alarm(0);
5440
5441                         sleep(1); // prevent flood (FIXME make this an option?)
5442                 }
5443
5444         // Send feed digests by email if needed.
5445         if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5446
5447         } // function update_daemon_common
5448
5449         function generate_dashboard_feed($link) {
5450
5451                 print "<div id=\"headlinesContainer\">";
5452
5453                 print_headline_subtoolbar($link, "", "Dashboard",
5454                         false, false, -4, false, false, false,
5455                         false, 0, 0, true, true, "tag.png");
5456
5457                 print "<div id=\"headlinesInnerContainer\" class=\"dashboard\">";
5458                 print "<div>There is <b>666</b> unread articles in <b>666</b> feeds.</div>";
5459                 print "</div>";
5460
5461                 print "</div>";
5462
5463                 print "]]></headlines>";
5464                 print "<headlines-count value=\"0\"/>";
5465                 print "<headlines-unread value=\"0\"/>";
5466                 print "<disable-cache value=\"1\"/>";
5467
5468                 print "<articles>";
5469                 print "</articles>";
5470         }
5471
5472         function sanitize_article_content($text) {
5473                 # we don't support CDATA sections in articles, they break our own escaping
5474                 $text = preg_replace("/\[\[CDATA/", "", $text);
5475                 $text = preg_replace("/\]\]\>/", "", $text);
5476                 return $text;
5477         }
5478
5479         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5480                 $filters = array();
5481
5482                 if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5483
5484                 $result = db_query($link, "SELECT reg_exp,
5485                         ttrss_filter_types.name AS name,
5486                         ttrss_filter_actions.name AS action,
5487                         inverse,
5488                         action_param
5489                         FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5490                                 enabled = true AND
5491                                 $ftype_query_part
5492                                 owner_uid = $owner_uid AND
5493                                 ttrss_filter_types.id = filter_type AND
5494                                 ttrss_filter_actions.id = action_id AND
5495                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5496
5497                 while ($line = db_fetch_assoc($result)) {
5498                         if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5499                                 $filter["reg_exp"] = $line["reg_exp"];
5500                                 $filter["action"] = $line["action"];
5501                                 $filter["action_param"] = $line["action_param"];
5502                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5503
5504                                 array_push($filters[$line["name"]], $filter);
5505                         }
5506
5507                 return $filters;
5508         }
5509
5510         function get_score_pic($score) {
5511                 if ($score > 0) {
5512                         return "score_high.png";
5513                 } else if ($score < 0) {
5514                         return "score_low.png";
5515                 } else {
5516                         return "score_neutral.png";
5517                 }
5518         }
5519 ?>