functions.php

   1 <?php
   2
   3         if ($_REQUEST["debug"]) {
   4                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   5         }
   6
   7         require_once 'config.php';
   8
   9         if (DB_TYPE == "pgsql") {
  10                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  11         } else {
  12                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  13         }
  14
  15         /**
  16          * Return available translations names.
  17          *
  18          * @access public
  19          * @return array A array of available translations.
  20          */
  21         function get_translations() {
  22                 $tr = array(
  23                                         "auto"  => "Detect automatically",
  24                                         "ca_CA" => "Català",
  25                                         "en_US" => "English",
  26                                         "es_ES" => "Español",
  27                                         "de_DE" => "Deutsch",
  28                                         "fr_FR" => "Français",
  29                                         "hu_HU" => "Magyar (Hungarian)",
  30                                         "it_IT" => "Italiano",
  31                                         "ja_JP" => "日本語 (Japanese)",
  32                                         "nb_NO" => "Norwegian bokmål",
  33                                         "ru_RU" => "Русский",
  34                                         "pt_BR" => "Portuguese/Brazil",
  35                                         "zh_CN" => "Simplified Chinese");
  36
  37                 return $tr;
  38         }
  39
  40         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  41                 require_once "lib/accept-to-gettext.php";
  42                 require_once "lib/gettext/gettext.inc";
  43
  44                 function startup_gettext() {
  45
  46                         # Get locale from Accept-Language header
  47                         $lang = al2gt(array_keys(get_translations()), "text/html");
  48
  49                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  50                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  51                         }
  52
  53                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  54                                 $lang = $_COOKIE["ttrss_lang"];
  55                         }
  56
  57                         /* In login action of mobile version */
  58                         if ($_POST["language"] && defined('MOBILE_VERSION')) {
  59                                 $lang = $_POST["language"];
  60                                 $_COOKIE["ttrss_lang"] = $lang;
  61                         }
  62
  63                         if ($lang) {
  64                                 if (defined('LC_MESSAGES')) {
  65                                         _setlocale(LC_MESSAGES, $lang);
  66                                 } else if (defined('LC_ALL')) {
  67                                         _setlocale(LC_ALL, $lang);
  68                                 } else {
  69                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  70                                 }
  71
  72                                 if (defined('MOBILE_VERSION')) {
  73                                         _bindtextdomain("messages", "../locale");
  74                                 } else {
  75                                         _bindtextdomain("messages", "locale");
  76                                 }
  77
  78                                 _textdomain("messages");
  79                                 _bind_textdomain_codeset("messages", "UTF-8");
  80                         }
  81                 }
  82
  83                 startup_gettext();
  84
  85         } else { // If translations are enabled.
  86                 function __($msg) {
  87                         return $msg;
  88                 }
  89                 function startup_gettext() {
  90                         // no-op
  91                         return true;
  92                 }
  93         } // If translations are enabled.
  94
  95         if (defined('MEMCACHE_SERVER')) {
  96                 $memcache = new Memcache;
  97                 $memcache->connect(MEMCACHE_SERVER, 11211);
  98         }
  99
 100         require_once 'db-prefs.php';
 101         require_once 'compat.php';
 102         require_once 'errors.php';
 103         require_once 'version.php';
 104
 105         require_once 'lib/phpmailer/class.phpmailer.php';
 106
 107         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 108         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 109         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
 110
 111         require_once "lib/simplepie/simplepie.inc";
 112         require_once "lib/magpierss/rss_fetch.inc";
 113         require_once 'lib/magpierss/rss_utils.inc';
 114         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
 115
 116         /**
 117          * Print a timestamped debug message.
 118          *
 119          * @param string $msg The debug message.
 120          * @return void
 121          */
 122         function _debug($msg) {
 123                 $ts = strftime("%H:%M:%S", time());
 124                 if (function_exists('posix_getpid')) {
 125                         $ts = "$ts/" . posix_getpid();
 126                 }
 127                 print "[$ts] $msg\n";
 128         } // function _debug
 129
 130         /**
 131          * Purge a feed old posts.
 132          *
 133          * @param mixed $link A database connection.
 134          * @param mixed $feed_id The id of the purged feed.
 135          * @param mixed $purge_interval Olderness of purged posts.
 136          * @param boolean $debug Set to True to enable the debug. False by default.
 137          * @access public
 138          * @return void
 139          */
 140         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 141
 142                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 143
 144                 $rows = -1;
 145
 146                 $result = db_query($link,
 147                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 148
 149                 $owner_uid = false;
 150
 151                 if (db_num_rows($result) == 1) {
 152                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 153                 }
 154
 155                 if ($purge_interval == -1 || !$purge_interval) {
 156                         if ($owner_uid) {
 157                                 ccache_update($link, $feed_id, $owner_uid);
 158                         }
 159                         return;
 160                 }
 161
 162                 if (!$owner_uid) return;
 163
 164                 if (FORCE_ARTICLE_PURGE == 0) {
 165                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 166                                 $owner_uid, false);
 167                 } else {
 168                         $purge_unread = true;
 169                         $purge_interval = FORCE_ARTICLE_PURGE;
 170                 }
 171
 172                 if (!$purge_unread) $query_limit = " unread = false AND ";
 173
 174                 if (DB_TYPE == "pgsql") {
 175 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 176                                 marked = false AND feed_id = '$feed_id' AND
 177                                 (SELECT date_entered FROM ttrss_entries WHERE
 178                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 179
 180                         $pg_version = get_pgsql_version($link);
 181
 182                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 183
 184                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 185                                         ttrss_entries.id = ref_id AND
 186                                         marked = false AND
 187                                         feed_id = '$feed_id' AND
 188                                         $query_limit
 189                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 190
 191                         } else {
 192
 193                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 194                                         USING ttrss_entries
 195                                         WHERE ttrss_entries.id = ref_id AND
 196                                         marked = false AND
 197                                         feed_id = '$feed_id' AND
 198                                         $query_limit
 199                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 200                         }
 201
 202                         $rows = pg_affected_rows($result);
 203
 204                 } else {
 205
 206 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 207                                 marked = false AND feed_id = '$feed_id' AND
 208                                 (SELECT date_entered FROM ttrss_entries WHERE
 209                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 210
 211                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 212                                 USING ttrss_user_entries, ttrss_entries
 213                                 WHERE ttrss_entries.id = ref_id AND
 214                                 marked = false AND
 215                                 feed_id = '$feed_id' AND
 216                                 $query_limit
 217                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 218
 219                         $rows = mysql_affected_rows($link);
 220
 221                 }
 222
 223                 ccache_update($link, $feed_id, $owner_uid);
 224
 225                 if ($debug) {
 226                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 227                 }
 228         } // function purge_feed
 229
 230         /**
 231          * Purge old posts from old feeds.
 232          *
 233          * @param mixed $link A database connection
 234          * @param boolean $do_output Set to true to enable printed output, false by default.
 235          * @param integer $limit The maximal number of removed posts.
 236          * @access public
 237          * @return void
 238          */
 239         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 240
 241                 $random_qpart = sql_random_function();
 242
 243                 if ($limit) {
 244                         $limit_qpart = "LIMIT $limit";
 245                 } else {
 246                         $limit_qpart = "";
 247                 }
 248
 249                 $result = db_query($link,
 250                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 251                                 ORDER BY $random_qpart $limit_qpart");
 252
 253                 while ($line = db_fetch_assoc($result)) {
 254
 255                         $feed_id = $line["id"];
 256                         $purge_interval = $line["purge_interval"];
 257                         $owner_uid = $line["owner_uid"];
 258
 259                         if ($purge_interval == 0) {
 260
 261                                 $tmp_result = db_query($link,
 262                                         "SELECT value FROM ttrss_user_prefs WHERE
 263                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 264
 265                                 if (db_num_rows($tmp_result) != 0) {
 266                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 267                                 }
 268                         }
 269
 270                         if ($do_output) {
 271 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 272                         }
 273
 274                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 275                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 276                         }
 277                 }
 278
 279                 // purge orphaned posts in main content table
 280                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 281                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 282
 283                 if ($do_output) {
 284                         $rows = db_affected_rows($link, $result);
 285                         _debug("Purged $rows orphaned posts.");
 286                 }
 287
 288         } // function global_purge_old_posts
 289
 290         function feed_purge_interval($link, $feed_id) {
 291
 292                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 293                         WHERE id = '$feed_id'");
 294
 295                 if (db_num_rows($result) == 1) {
 296                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 297                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 298
 299                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 300                                 'PURGE_OLD_DAYS', $owner_uid);
 301
 302                         return $purge_interval;
 303
 304                 } else {
 305                         return -1;
 306                 }
 307         }
 308
 309         function purge_old_posts($link) {
 310
 311                 $user_id = $_SESSION["uid"];
 312
 313                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 314                         WHERE owner_uid = '$user_id'");
 315
 316                 while ($line = db_fetch_assoc($result)) {
 317
 318                         $feed_id = $line["id"];
 319                         $purge_interval = $line["purge_interval"];
 320
 321                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 322
 323                         if ($purge_interval > 0) {
 324                                 purge_feed($link, $feed_id, $purge_interval);
 325                         }
 326                 }
 327
 328                 purge_orphans($link);
 329         }
 330
 331         function purge_orphans($link) {
 332                 // purge orphaned posts in main content table
 333                 db_query($link, "DELETE FROM ttrss_entries WHERE
 334                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 335         }
 336
 337         function get_feed_update_interval($link, $feed_id) {
 338                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 339                         ttrss_feeds WHERE id = '$feed_id'");
 340
 341                 if (db_num_rows($result) == 1) {
 342                         $update_interval = db_fetch_result($result, 0, "update_interval");
 343                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 344
 345                         if ($update_interval != 0) {
 346                                 return $update_interval;
 347                         } else {
 348                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 349                         }
 350
 351                 } else {
 352                         return -1;
 353                 }
 354         }
 355
 356         function fetch_file_contents($url, $type) {
 357                 if (USE_CURL_FOR_ICONS) {
 358                         $ch = curl_init($url);
 359
 360                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 361                         curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 362                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 363                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 364                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 365                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 366
 367                         $contents = curl_exec($ch);
 368                         if ($contents === false) {
 369                                 curl_close($ch);
 370                                 return false;
 371                         }
 372
 373                         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 374                         curl_close($ch);
 375
 376                         if ($type && strpos($content_type, "$type") === false) {
 377                                 return false;
 378                         }
 379
 380                         return $contents;
 381                 } else {
 382                         return file_get_contents($url);
 383                 }
 384
 385         }
 386
 387         /**
 388          * Try to determine the favicon URL for a feed.
 389          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 390          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 391          *
 392          * @param string $url A feed or page URL
 393          * @access public
 394          * @return mixed The favicon URL, or false if none was found.
 395          */
 396         function get_favicon_url($url) {
 397
 398                 if ($html = @fetch_file_contents($url)) {
 399
 400                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 401                                 // Attempt to grab a favicon link from their webpage url
 402                                 $linkUrl = html_entity_decode($matches[1]);
 403
 404                                 if (substr($linkUrl, 0, 1) == '/') {
 405                                         $urlParts = parse_url($url);
 406                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 407                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 408                                         $faviconURL = $linkUrl;
 409                                 } else {
 410                                         $pos = strrpos($url, "/");
 411                                         // no "/" in url or "/" is part of "://"
 412                                         if ($pos === false || $pos == (strpos($url, "://")+2)) {
 413                                                 $faviconURL = $url.'/'.$linkUrl;
 414                                         } else {
 415                                                 $faviconURL = substr($url, 0, $pos+1).$linkUrl;
 416                                         }
 417                                 }
 418
 419                         } else {
 420                                 // If unsuccessful, attempt to "guess" the favicon location
 421                                 $urlParts = parse_url($url);
 422                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 423                         }
 424                 }
 425
 426                 // Run a test to see if what we have attempted to get actually exists.
 427                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 428                         return $faviconURL;
 429                 } else {
 430                         return false;
 431                 }
 432         } // function get_favicon_url
 433
 434         /**
 435          * Check if a link is a valid and working URL.
 436          *
 437          * @param mixed $link A URL to check
 438          * @access public
 439          * @return boolean True if the URL is valid, false otherwise.
 440          */
 441         function url_validate($link) {
 442
 443                 $url_parts = @parse_url($link);
 444
 445                 if ( empty( $url_parts["host"] ) )
 446                                 return false;
 447
 448                 if ( !empty( $url_parts["path"] ) ) {
 449                                 $documentpath = $url_parts["path"];
 450                 } else {
 451                                 $documentpath = "/";
 452                 }
 453
 454                 if ( !empty( $url_parts["query"] ) )
 455                                 $documentpath .= "?" . $url_parts["query"];
 456
 457                 $host = $url_parts["host"];
 458                 $port = $url_parts["port"];
 459
 460                 if ( empty($port) )
 461                                 $port = "80";
 462
 463                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 464
 465                 if ( !$socket )
 466                                 return false;
 467
 468                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 469
 470                 $http_response = fgets( $socket, 22 );
 471
 472                 $responses = "/(200 OK)|(30[123])/";
 473                 if ( preg_match($responses, $http_response) ) {
 474                                 fclose($socket);
 475                                 return true;
 476                 } else {
 477                                 return false;
 478                 }
 479
 480         } // function url_validate
 481
 482         function check_feed_favicon($site_url, $feed, $link) {
 483                 $favicon_url = get_favicon_url($site_url);
 484
 485 #               print "FAVICON [$site_url]: $favicon_url\n";
 486
 487                 error_reporting(0);
 488
 489                 $icon_file = ICONS_DIR . "/$feed.ico";
 490
 491                 if ($favicon_url && !file_exists($icon_file)) {
 492                         $contents = fetch_file_contents($favicon_url, "image");
 493
 494                         if ($contents) {
 495                                 $fp = fopen($icon_file, "w");
 496
 497                                 if ($fp) {
 498                                         fwrite($fp, $contents);
 499                                         fclose($fp);
 500                                         chmod($icon_file, 0644);
 501                                 }
 502                         }
 503                 }
 504
 505                 error_reporting(DEFAULT_ERROR_LEVEL);
 506
 507         }
 508
 509         function update_rss_feed($link, $feed, $ignore_daemon = false) {
 510
 511                 global $memcache;
 512
 513                 /* Update all feeds with the same URL to utilize memcache */
 514
 515                 if ($memcache) {
 516                         $result = db_query($link, "SELECT f1.id
 517                                 FROM ttrss_feeds AS f1, ttrss_feeds AS f2
 518                                 WHERE   f2.feed_url = f1.feed_url AND f2.id = '$feed'");
 519
 520                         while ($line = db_fetch_assoc($result)) {
 521                                 update_rss_feed_real($link, $line["id"], $ignore_daemon);
 522                         }
 523                 } else {
 524                         update_rss_feed_real($link, $feed, $ignore_daemon);
 525                 }
 526         }
 527
 528         function update_rss_feed_real($link, $feed, $ignore_daemon = false) {
 529
 530                 global $memcache;
 531
 532                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
 533                         return false;
 534                 }
 535
 536                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 537                         _debug("update_rss_feed: start");
 538                 }
 539
 540                 if (!$ignore_daemon) {
 541
 542                         if (DB_TYPE == "pgsql") {
 543                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 544                                 } else {
 545                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 546                                 }
 547
 548                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 549                                 auth_pass,cache_images,update_method
 550                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 551
 552                 } else {
 553
 554                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 555                                 feed_url,auth_pass,cache_images,update_method,last_updated
 556                                 FROM ttrss_feeds WHERE id = '$feed'");
 557
 558                 }
 559
 560                 if (db_num_rows($result) == 0) {
 561                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 562                                 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
 563                         }
 564                         return false;
 565                 }
 566
 567                 $update_method = db_fetch_result($result, 0, "update_method");
 568                 $last_updated = db_fetch_result($result, 0, "last_updated");
 569
 570                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 571                         WHERE id = '$feed'");
 572
 573                 $auth_login = db_fetch_result($result, 0, "auth_login");
 574                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 575
 576                 if (DEFAULT_UPDATE_METHOD == "1") {
 577                         $use_simplepie = $update_method != 1;
 578                 } else {
 579                         $use_simplepie = $update_method == 2;
 580                 }
 581
 582                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 583                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 584                 }
 585
 586                 if (!$use_simplepie) {
 587                         $auth_login = urlencode($auth_login);
 588                         $auth_pass = urlencode($auth_pass);
 589                 }
 590
 591                 $update_interval = db_fetch_result($result, 0, "update_interval");
 592                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 593                 $fetch_url = db_fetch_result($result, 0, "feed_url");
 594
 595                 if ($update_interval < 0) { return; }
 596
 597                 $feed = db_escape_string($feed);
 598
 599                 if ($auth_login && $auth_pass) {
 600                         $url_parts = array();
 601                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 602
 603                         if ($url_parts[1] && $url_parts[2]) {
 604                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 605                         }
 606
 607                 }
 608
 609                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 610                         _debug("update_rss_feed: fetching [$fetch_url]...");
 611                 }
 612
 613                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_REQUEST['xdebug']) {
 614                         error_reporting(0);
 615                 }
 616
 617                 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
 618
 619                 if ($memcache && $obj = $memcache->get($obj_id)) {
 620
 621                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 622                                 _debug("update_rss_feed: data found in memcache.");
 623                         }
 624
 625                         $rss = $obj;
 626
 627                 } else {
 628
 629                         if (!$use_simplepie) {
 630                                 $rss = fetch_rss($fetch_url);
 631                         } else {
 632                                 if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 633                                         mkdir(SIMPLEPIE_CACHE_DIR);
 634                                 }
 635
 636                                 $rss = new SimplePie();
 637                                 $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 638         #                       $rss->set_timeout(10);
 639                                 $rss->set_feed_url($fetch_url);
 640                                 $rss->set_output_encoding('UTF-8');
 641
 642                                 if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 643                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 644                                                 _debug("enabling image cache");
 645                                         }
 646
 647                                         $rss->set_image_handler('./image.php', 'i');
 648                                 }
 649
 650                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 651                                         _debug("feed update interval (sec): " .
 652                                                 get_feed_update_interval($link, $feed)*60);
 653                                 }
 654
 655                                 if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 656                                         $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 657                                         $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 658                                 }
 659
 660                                 $rss->init();
 661                         }
 662
 663                         if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
 664                 }
 665
 666 //              print_r($rss);
 667
 668                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 669                         _debug("update_rss_feed: fetch done, parsing...");
 670                 } else {
 671                         error_reporting (DEFAULT_ERROR_LEVEL);
 672                 }
 673
 674                 $feed = db_escape_string($feed);
 675
 676                 if ($use_simplepie) {
 677                         $fetch_ok = !$rss->error();
 678                 } else {
 679                         $fetch_ok = !!$rss;
 680                 }
 681
 682                 if ($fetch_ok) {
 683
 684                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 685                                 _debug("update_rss_feed: processing feed data...");
 686                         }
 687
 688 //                      db_query($link, "BEGIN");
 689
 690                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 691                                 FROM ttrss_feeds WHERE id = '$feed'");
 692
 693                         $registered_title = db_fetch_result($result, 0, "title");
 694                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 695                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 696
 697                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 698
 699                         if ($use_simplepie) {
 700                                 $site_url = $rss->get_link();
 701                         } else {
 702                                 $site_url = $rss->channel["link"];
 703                         }
 704
 705                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 706                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 707                                         _debug("update_rss_feed: checking favicon...");
 708                                 }
 709
 710                                 check_feed_favicon($site_url, $feed, $link);
 711                         }
 712
 713                         if (!$registered_title || $registered_title == "[Unknown]") {
 714
 715                                 if ($use_simplepie) {
 716                                         $feed_title = db_escape_string($rss->get_title());
 717                                 } else {
 718                                         $feed_title = db_escape_string($rss->channel["title"]);
 719                                 }
 720
 721                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 722                                         _debug("update_rss_feed: registering title: $feed_title");
 723                                 }
 724
 725                                 db_query($link, "UPDATE ttrss_feeds SET
 726                                         title = '$feed_title' WHERE id = '$feed'");
 727                         }
 728
 729                         // weird, weird Magpie
 730                         if (!$use_simplepie) {
 731                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 732                         }
 733
 734                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 735                                 db_query($link, "UPDATE ttrss_feeds SET
 736                                         site_url = '$site_url' WHERE id = '$feed'");
 737                         }
 738
 739 //                      print "I: " . $rss->channel["image"]["url"];
 740
 741                         if (!$use_simplepie) {
 742                                 $icon_url = $rss->image["url"];
 743                         } else {
 744                                 $icon_url = $rss->get_image_url();
 745                         }
 746
 747                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 748                                 $icon_url = db_escape_string($icon_url);
 749                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 750                         }
 751
 752                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 753                                 _debug("update_rss_feed: loading filters...");
 754                         }
 755
 756                         $filters = load_filters($link, $feed, $owner_uid);
 757
 758                         if ($use_simplepie) {
 759                                 $iterator = $rss->get_items();
 760                         } else {
 761                                 $iterator = $rss->items;
 762                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 763                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 764                         }
 765
 766                         if (!is_array($iterator)) {
 767                                 /* db_query($link, "UPDATE ttrss_feeds
 768                                         SET last_error = 'Parse error: can\'t find any articles.'
 769                                         WHERE id = '$feed'"); */
 770
 771                                 // clear any errors and mark feed as updated if fetched okay
 772                                 // even if it's blank
 773
 774                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 775                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 776                                 }
 777
 778                                 db_query($link, "UPDATE ttrss_feeds
 779                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 780
 781                                 return; // no articles
 782                         }
 783
 784                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 785                                 _debug("update_rss_feed: processing articles...");
 786                         }
 787
 788                         foreach ($iterator as $item) {
 789
 790                                 if ($_REQUEST['xdebug'] == 2) {
 791                                         print_r($item);
 792                                 }
 793
 794                                 if ($use_simplepie) {
 795                                         $entry_guid = $item->get_id();
 796                                         if (!$entry_guid) $entry_guid = $item->get_link();
 797                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 798
 799                                 } else {
 800
 801                                         $entry_guid = $item["id"];
 802
 803                                         if (!$entry_guid) $entry_guid = $item["guid"];
 804                                         if (!$entry_guid) $entry_guid = $item["link"];
 805                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 806                                 }
 807
 808                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 809                                         _debug("update_rss_feed: guid $entry_guid");
 810                                 }
 811
 812                                 if (!$entry_guid) continue;
 813
 814                                 $entry_timestamp = "";
 815
 816                                 if ($use_simplepie) {
 817                                         $entry_timestamp = strtotime($item->get_date());
 818                                 } else {
 819                                         $rss_2_date = $item['pubdate'];
 820                                         $rss_1_date = $item['dc']['date'];
 821                                         $atom_date = $item['issued'];
 822                                         if (!$atom_date) $atom_date = $item['updated'];
 823
 824                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 825                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 826                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 827
 828                                 }
 829
 830                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 831                                         $entry_timestamp = time();
 832                                         $no_orig_date = 'true';
 833                                 } else {
 834                                         $no_orig_date = 'false';
 835                                 }
 836
 837                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 838
 839                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 840                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 841                                 }
 842
 843                                 if ($use_simplepie) {
 844                                         $entry_title = $item->get_title();
 845                                 } else {
 846                                         $entry_title = trim(strip_tags($item["title"]));
 847                                 }
 848
 849                                 if ($use_simplepie) {
 850                                         $entry_link = $item->get_link();
 851                                 } else {
 852                                         // strange Magpie workaround
 853                                         $entry_link = $item["link_"];
 854                                         if (!$entry_link) $entry_link = $item["link"];
 855                                 }
 856
 857                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 858                                         _debug("update_rss_feed: title $entry_title");
 859                                 }
 860
 861                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 862
 863                                 $entry_link = strip_tags($entry_link);
 864
 865                                 if ($use_simplepie) {
 866                                         $entry_content = $item->get_content();
 867                                         if (!$entry_content) $entry_content = $item->get_description();
 868                                 } else {
 869                                         $entry_content = $item["content:escaped"];
 870
 871                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 872                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 873                                         if (!$entry_content) $entry_content = $item["content"];
 874
 875                                         // Magpie bugs are getting ridiculous
 876                                         if (trim($entry_content) == "Array") $entry_content = false;
 877
 878                                         if (!$entry_content) $entry_content = $item["atom_content"];
 879                                         if (!$entry_content) $entry_content = $item["summary"];
 880
 881                                         if (!$entry_content ||
 882                                                 strlen($entry_content) < strlen($item["description"])) {
 883                                                         $entry_content = $item["description"];
 884                                         };
 885
 886                                         // WTF
 887                                         if (is_array($entry_content)) {
 888                                                 $entry_content = $entry_content["encoded"];
 889                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 890                                         }
 891                                 }
 892
 893                                 if ($_REQUEST["xdebug"] == 2) {
 894                                         print "update_rss_feed: content: ";
 895                                         print_r(htmlspecialchars($entry_content));
 896                                 }
 897
 898                                 $entry_content_unescaped = $entry_content;
 899
 900                                 if ($use_simplepie) {
 901                                         $entry_comments = strip_tags($item->data["comments"]);
 902                                         if ($item->get_author()) {
 903                                                 $entry_author_item = $item->get_author();
 904                                                 $entry_author = $entry_author_item->get_name();
 905                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 906
 907                                                 $entry_author = db_escape_string($entry_author);
 908                                         }
 909                                 } else {
 910                                         $entry_comments = strip_tags($item["comments"]);
 911
 912                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 913
 914                                         if ($item['author']) {
 915
 916                                                 if (is_array($item['author'])) {
 917
 918                                                         if (!$entry_author) {
 919                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 920                                                         }
 921
 922                                                         if (!$entry_author) {
 923                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 924                                                         }
 925                                                 }
 926
 927                                                 if (!$entry_author) {
 928                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 929                                                 }
 930                                         }
 931                                 }
 932
 933                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 934
 935                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 936                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 937
 938                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 939                                         WHERE guid = '$entry_guid'");
 940
 941                                 $entry_content = db_escape_string($entry_content);
 942
 943                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 944
 945                                 $entry_title = db_escape_string($entry_title);
 946                                 $entry_link = db_escape_string($entry_link);
 947                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 948                                 $entry_author = mb_substr($entry_author, 0, 250);
 949
 950                                 if ($use_simplepie) {
 951                                         $num_comments = 0; #FIXME#
 952                                 } else {
 953                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 954                                 }
 955
 956                                 if (!$num_comments) $num_comments = 0;
 957
 958                                 // parse <category> entries into tags
 959
 960                                 if ($use_simplepie) {
 961
 962                                         $additional_tags = array();
 963                                         $additional_tags_src = $item->get_categories();
 964
 965                                         if (is_array($additional_tags_src)) {
 966                                                 foreach ($additional_tags_src as $tobj) {
 967                                                         array_push($additional_tags, $tobj->get_term());
 968                                                 }
 969                                         }
 970
 971                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 972                                                 _debug("update_rss_feed: category tags:");
 973                                                 print_r($additional_tags);
 974                                         }
 975
 976                                 } else {
 977
 978                                         $t_ctr = $item['category#'];
 979
 980                                         $additional_tags = false;
 981
 982                                         if ($t_ctr == 0) {
 983                                                 $additional_tags = false;
 984                                         } else if ($t_ctr > 0) {
 985                                                 $additional_tags = array($item['category']);
 986
 987                                                 if ($item['category@term']) {
 988                                                         array_push($additional_tags, $item['category@term']);
 989                                                 }
 990
 991                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 992                                                         if ($item["category#$i"]) {
 993                                                                 array_push($additional_tags, $item["category#$i"]);
 994                                                         }
 995
 996                                                         if ($item["category#$i@term"]) {
 997                                                                 array_push($additional_tags, $item["category#$i@term"]);
 998                                                         }
 999                                                 }
1000                                         }
1001
1002                                         // parse <dc:subject> elements
1003
1004                                         $t_ctr = $item['dc']['subject#'];
1005
1006                                         if ($t_ctr > 0) {
1007                                                 $additional_tags = array($item['dc']['subject']);
1008
1009                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1010                                                         if ($item['dc']["subject#$i"]) {
1011                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1012                                                         }
1013                                                 }
1014                                         }
1015                                 }
1016
1017                                 // enclosures
1018
1019                                 $enclosures = array();
1020
1021                                 if ($use_simplepie) {
1022                                         $encs = $item->get_enclosures();
1023
1024                                         if (is_array($encs)) {
1025                                                 foreach ($encs as $e) {
1026                                                         $e_item = array(
1027                                                                 $e->link, $e->type, $e->length);
1028
1029                                                         array_push($enclosures, $e_item);
1030                                                 }
1031                                         }
1032
1033                                 } else {
1034                                         // <enclosure>
1035
1036                                         $e_ctr = $item['enclosure#'];
1037
1038                                         if ($e_ctr > 0) {
1039                                                 $e_item = array($item['enclosure@url'],
1040                                                         $item['enclosure@type'],
1041                                                         $item['enclosure@length']);
1042
1043                                                 array_push($enclosures, $e_item);
1044
1045                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1046
1047                                                         if ($item["enclosure#$i@url"]) {
1048                                                                 $e_item = array($item["enclosure#$i@url"],
1049                                                                         $item["enclosure#$i@type"],
1050                                                                         $item["enclosure#$i@length"]);
1051                                                                 array_push($enclosures, $e_item);
1052                                                         }
1053                                                 }
1054                                         }
1055
1056                                         // <media:content>
1057                                         // can there be many of those? yes -fox
1058
1059                                         $m_ctr = $item['media']['content#'];
1060
1061                                         if ($m_ctr > 0) {
1062                                                 $e_item = array($item['media']['content@url'],
1063                                                         $item['media']['content@medium'],
1064                                                         $item['media']['content@length']);
1065
1066                                                 array_push($enclosures, $e_item);
1067
1068                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1069
1070                                                         if ($item["media"]["content#$i@url"]) {
1071                                                                 $e_item = array($item["media"]["content#$i@url"],
1072                                                                         $item["media"]["content#$i@medium"],
1073                                                                         $item["media"]["content#$i@length"]);
1074                                                                 array_push($enclosures, $e_item);
1075                                                         }
1076                                                 }
1077
1078                                         }
1079                                 }
1080
1081                                 # sanitize content
1082
1083                                 $entry_content = sanitize_article_content($entry_content);
1084                                 $entry_title = sanitize_article_content($entry_title);
1085
1086                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1087                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1088                                 }
1089
1090                                 db_query($link, "BEGIN");
1091
1092                                 if (db_num_rows($result) == 0) {
1093
1094                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1095                                                 _debug("update_rss_feed: base guid not found");
1096                                         }
1097
1098                                         // base post entry does not exist, create it
1099
1100                                         $result = db_query($link,
1101                                                 "INSERT INTO ttrss_entries
1102                                                         (title,
1103                                                         guid,
1104                                                         link,
1105                                                         updated,
1106                                                         content,
1107                                                         content_hash,
1108                                                         no_orig_date,
1109                                                         date_entered,
1110                                                         comments,
1111                                                         num_comments,
1112                                                         author)
1113                                                 VALUES
1114                                                         ('$entry_title',
1115                                                         '$entry_guid',
1116                                                         '$entry_link',
1117                                                         '$entry_timestamp_fmt',
1118                                                         '$entry_content',
1119                                                         '$content_hash',
1120                                                         $no_orig_date,
1121                                                         NOW(),
1122                                                         '$entry_comments',
1123                                                         '$num_comments',
1124                                                         '$entry_author')");
1125                                 } else {
1126                                         // we keep encountering the entry in feeds, so we need to
1127                                         // update date_entered column so that we don't get horrible
1128                                         // dupes when the entry gets purged and reinserted again e.g.
1129                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1130
1131                                         $base_entry_id = db_fetch_result($result, 0, "id");
1132
1133                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
1134                                                 WHERE id = '$base_entry_id'");
1135                                 }
1136
1137                                 // now it should exist, if not - bad luck then
1138
1139                                 $result = db_query($link, "SELECT
1140                                                 id,content_hash,no_orig_date,title,
1141                                                 ".SUBSTRING_FOR_DATE."(date_entered,1,19) as date_entered,
1142                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1143                                                 num_comments
1144                                         FROM
1145                                                 ttrss_entries
1146                                         WHERE guid = '$entry_guid'");
1147
1148                                 $entry_ref_id = 0;
1149                                 $entry_int_id = 0;
1150
1151                                 if (db_num_rows($result) == 1) {
1152
1153                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1154                                                 _debug("update_rss_feed: base guid found, checking for user record");
1155                                         }
1156
1157                                         // this will be used below in update handler
1158                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1159                                         $orig_title = db_fetch_result($result, 0, "title");
1160                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1161                                         $orig_date_entered = strtotime(db_fetch_result($result,
1162                                                 0, "date_entered"));
1163
1164                                         $ref_id = db_fetch_result($result, 0, "id");
1165                                         $entry_ref_id = $ref_id;
1166
1167                                         // check for user post link to main table
1168
1169                                         // do we allow duplicate posts with same GUID in different feeds?
1170                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1171                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1172                                         } else {
1173                                                 $dupcheck_qpart = "";
1174                                         }
1175
1176 //                                      error_reporting(0);
1177
1178                                         $article_filters = get_article_filters($filters, $entry_title,
1179                                                         $entry_content, $entry_link, $entry_timestamp, $entry_author);
1180
1181                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1182                                                 _debug("update_rss_feed: article filters: ");
1183                                                 if (count($article_filters) != 0) {
1184                                                         print_r($article_filters);
1185                                                 }
1186                                         }
1187
1188                                         if (find_article_filter($article_filters, "filter")) {
1189                                                 db_query($link, "COMMIT"); // close transaction in progress
1190                                                 continue;
1191                                         }
1192
1193 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1194
1195                                         $score = calculate_article_score($article_filters);
1196
1197                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1198                                                 _debug("update_rss_feed: initial score: $score");
1199                                         }
1200
1201                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1202                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1203                                                         $dupcheck_qpart";
1204
1205 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1206
1207                                         $result = db_query($link, $query);
1208
1209                                         // okay it doesn't exist - create user entry
1210                                         if (db_num_rows($result) == 0) {
1211
1212                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1213                                                         _debug("update_rss_feed: user record not found, creating...");
1214                                                 }
1215
1216                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1217                                                         $unread = 'true';
1218                                                         $last_read_qpart = 'NULL';
1219                                                 } else {
1220                                                         $unread = 'false';
1221                                                         $last_read_qpart = 'NOW()';
1222                                                 }
1223
1224                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1225                                                         $marked = 'true';
1226                                                 } else {
1227                                                         $marked = 'false';
1228                                                 }
1229
1230                                                 if (find_article_filter($article_filters, 'publish')) {
1231                                                         $published = 'true';
1232                                                 } else {
1233                                                         $published = 'false';
1234                                                 }
1235
1236                                                 $result = db_query($link,
1237                                                         "INSERT INTO ttrss_user_entries
1238                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1239                                                                         published, score)
1240                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1241                                                                 $last_read_qpart, $marked, $published, '$score')");
1242
1243                                                 $result = db_query($link,
1244                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1245                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1246                                                                 feed_id = '$feed' LIMIT 1");
1247
1248                                                 if (db_num_rows($result) == 1) {
1249                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1250                                                 }
1251                                         } else {
1252                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1253                                                         _debug("update_rss_feed: user record FOUND");
1254                                                 }
1255
1256                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1257                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1258                                         }
1259
1260                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1261                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1262                                         }
1263
1264                                         $post_needs_update = false;
1265
1266                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1267                                                 ($content_hash != $orig_content_hash)) {
1268 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1269                                                 $post_needs_update = true;
1270                                         }
1271
1272                                         if (db_escape_string($orig_title) != $entry_title) {
1273                                                 $post_needs_update = true;
1274                                         }
1275
1276                                         if ($orig_num_comments != $num_comments) {
1277                                                 $post_needs_update = true;
1278                                         }
1279
1280 //                                      this doesn't seem to be very reliable
1281 //
1282 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1283 //                                              $post_needs_update = true;
1284 //                                      }
1285
1286                                         // if post needs update, update it and mark all user entries
1287                                         // linking to this post as updated
1288                                         if ($post_needs_update) {
1289
1290                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1291                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1292                                                 }
1293
1294 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1295
1296                                                 db_query($link, "UPDATE ttrss_entries
1297                                                         SET title = '$entry_title', content = '$entry_content',
1298                                                                 content_hash = '$content_hash',
1299                                                                 num_comments = '$num_comments'
1300                                                         WHERE id = '$ref_id'");
1301
1302                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1303                                                         db_query($link, "UPDATE ttrss_user_entries
1304                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1305                                                 } else {
1306                                                         db_query($link, "UPDATE ttrss_user_entries
1307                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1308                                                 }
1309
1310                                         }
1311                                 }
1312
1313                                 db_query($link, "COMMIT");
1314
1315                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1316                                         _debug("update_rss_feed: assigning labels...");
1317                                 }
1318
1319                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1320                                         $owner_uid);
1321
1322                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1323                                         _debug("update_rss_feed: looking for enclosures...");
1324                                 }
1325
1326                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1327                                         print_r($enclosures);
1328                                 }
1329
1330                                 db_query($link, "BEGIN");
1331
1332                                 foreach ($enclosures as $enc) {
1333                                         $enc_url = db_escape_string($enc[0]);
1334                                         $enc_type = db_escape_string($enc[1]);
1335                                         $enc_dur = db_escape_string($enc[2]);
1336
1337                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1338                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1339
1340                                         if (db_num_rows($result) == 0) {
1341                                                 db_query($link, "INSERT INTO ttrss_enclosures
1342                                                         (content_url, content_type, title, duration, post_id) VALUES
1343                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1344                                         }
1345                                 }
1346
1347                                 db_query($link, "COMMIT");
1348
1349                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1350                                         _debug("update_rss_feed: looking for tags...");
1351                                 }
1352
1353                                 /* taaaags */
1354                                 // <a href="..." rel="tag">Xorg</a>, //
1355
1356                                 $entry_tags = null;
1357
1358                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1359                                         $entry_content_unescaped, $entry_tags);
1360
1361 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1362                                 print_r($entry_tags);
1363                                 print "<br/></p>"; */
1364
1365                                 $entry_tags = $entry_tags[1];
1366
1367                                 # check for manual tags
1368
1369                                 foreach ($article_filters as $f) {
1370                                         if ($f[0] == "tag") {
1371
1372                                                 $manual_tags = trim_array(split(",", $f[1]));
1373
1374                                                 foreach ($manual_tags as $tag) {
1375                                                         if (tag_is_valid($tag)) {
1376                                                                 array_push($entry_tags, $tag);
1377                                                         }
1378                                                 }
1379                                         }
1380                                 }
1381
1382                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1383                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1384
1385                                 if ($additional_tags && is_array($additional_tags)) {
1386                                         foreach ($additional_tags as $tag) {
1387                                                 if (tag_is_valid($tag) &&
1388                                                                 array_search($tag, $boring_tags) === FALSE) {
1389                                                         array_push($entry_tags, $tag);
1390                                                 }
1391                                         }
1392                                 }
1393
1394 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1395
1396                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1397                                         print_r($entry_tags);
1398                                 }
1399
1400                                 if (count($entry_tags) > 0) {
1401
1402                                         db_query($link, "BEGIN");
1403
1404                                                 foreach ($entry_tags as $tag) {
1405
1406                                                         $tag = sanitize_tag($tag);
1407                                                         $tag = db_escape_string($tag);
1408
1409                                                         if (!tag_is_valid($tag)) continue;
1410
1411                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1412                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1413                                                                 owner_uid = '$owner_uid' LIMIT 1");
1414
1415         //                                              print db_fetch_result($result, 0, "id");
1416
1417                                                         if ($result && db_num_rows($result) == 0) {
1418
1419                                                                 db_query($link, "INSERT INTO ttrss_tags
1420                                                                         (owner_uid,tag_name,post_int_id)
1421                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1422                                                         }
1423                                                 }
1424
1425                                         db_query($link, "COMMIT");
1426                                 }
1427
1428                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1429                                         _debug("update_rss_feed: article processed");
1430                                 }
1431                         }
1432
1433                         if (!$last_updated) {
1434                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1435                                         _debug("update_rss_feed: new feed, catching it up...");
1436                                 }
1437                                 catchup_feed($link, $feed, false, $owner_uid);
1438                         }
1439
1440                         purge_feed($link, $feed, 0);
1441
1442                         db_query($link, "UPDATE ttrss_feeds
1443                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1444
1445 //                      db_query($link, "COMMIT");
1446
1447                 } else {
1448
1449                         if ($use_simplepie) {
1450                                 $error_msg = mb_substr($rss->error(), 0, 250);
1451                         } else {
1452                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1453                         }
1454
1455                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1456                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1457                         }
1458
1459                         $error_msg = db_escape_string($error_msg);
1460
1461                         db_query($link,
1462                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1463                                         last_updated = NOW() WHERE id = '$feed'");
1464                 }
1465
1466                 if ($use_simplepie) {
1467                         unset($rss);
1468                 }
1469
1470                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1471                         _debug("update_rss_feed: done");
1472                 }
1473
1474         }
1475
1476         function print_select($id, $default, $values, $attributes = "") {
1477                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1478                 foreach ($values as $v) {
1479                         if ($v == $default)
1480                                 $sel = " selected";
1481                          else
1482                                 $sel = "";
1483
1484                         print "<option$sel>$v</option>";
1485                 }
1486                 print "</select>";
1487         }
1488
1489         function print_select_hash($id, $default, $values, $attributes = "") {
1490                 print "<select name=\"$id\" id='$id' $attributes>";
1491                 foreach (array_keys($values) as $v) {
1492                         if ($v == $default)
1493                                 $sel = 'selected="selected"';
1494                          else
1495                                 $sel = "";
1496
1497                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1498                 }
1499
1500                 print "</select>";
1501         }
1502
1503         function get_article_filters($filters, $title, $content, $link, $timestamp, $author) {
1504                 $matches = array();
1505
1506                 if ($filters["title"]) {
1507                         foreach ($filters["title"] as $filter) {
1508                                 $reg_exp = $filter["reg_exp"];
1509                                 $inverse = $filter["inverse"];
1510                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1511                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1512
1513                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1514                                 }
1515                         }
1516                 }
1517
1518                 if ($filters["content"]) {
1519                         foreach ($filters["content"] as $filter) {
1520                                 $reg_exp = $filter["reg_exp"];
1521                                 $inverse = $filter["inverse"];
1522
1523                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1524                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1525
1526                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1527                                 }
1528                         }
1529                 }
1530
1531                 if ($filters["both"]) {
1532                         foreach ($filters["both"] as $filter) {
1533                                 $reg_exp = $filter["reg_exp"];
1534                                 $inverse = $filter["inverse"];
1535
1536                                 if ($inverse) {
1537                                         if (!preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1538                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1539                                         }
1540                                 } else {
1541                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1542                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1543                                         }
1544                                 }
1545                         }
1546                 }
1547
1548                 if ($filters["link"]) {
1549                         $reg_exp = $filter["reg_exp"];
1550                         foreach ($filters["link"] as $filter) {
1551                                 $reg_exp = $filter["reg_exp"];
1552                                 $inverse = $filter["inverse"];
1553
1554                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1555                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1556
1557                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1558                                 }
1559                         }
1560                 }
1561
1562                 if ($filters["date"]) {
1563                         $reg_exp = $filter["reg_exp"];
1564                         foreach ($filters["date"] as $filter) {
1565                                 $date_modifier = $filter["filter_param"];
1566                                 $inverse = $filter["inverse"];
1567                                 $check_timestamp = strtotime($filter["reg_exp"]);
1568
1569                                 # no-op when timestamp doesn't parse to prevent misfires
1570
1571                                 if ($check_timestamp) {
1572                                         $match_ok = false;
1573
1574                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1575                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1576                                                         $match_ok = true;
1577                                         }
1578
1579                                         if ($inverse) $match_ok = !$match_ok;
1580
1581                                         if ($match_ok) {
1582                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1583                                         }
1584                                 }
1585                         }
1586                 }
1587
1588                 if ($filters["author"]) {
1589                         foreach ($filters["author"] as $filter) {
1590                                 $reg_exp = $filter["reg_exp"];
1591                                 $inverse = $filter["inverse"];
1592                                 if ((!$inverse && preg_match("/$reg_exp/i", $author)) ||
1593                                                 ($inverse && !preg_match("/$reg_exp/i", $author))) {
1594
1595                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1596                                 }
1597                         }
1598                 }
1599
1600                 return $matches;
1601         }
1602
1603         function find_article_filter($filters, $filter_name) {
1604                 foreach ($filters as $f) {
1605                         if ($f[0] == $filter_name) {
1606                                 return $f;
1607                         };
1608                 }
1609                 return false;
1610         }
1611
1612         function calculate_article_score($filters) {
1613                 $score = 0;
1614
1615                 foreach ($filters as $f) {
1616                         if ($f[0] == "score") {
1617                                 $score += $f[1];
1618                         };
1619                 }
1620                 return $score;
1621         }
1622
1623         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1624                 foreach ($filters as $f) {
1625                         if ($f[0] == "label") {
1626                                 label_add_article($link, $id, $f[1], $owner_uid);
1627                         };
1628                 }
1629         }
1630
1631         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1632                 $rtl_content = false, $last_updated = false, $last_error = false,
1633                 $fg_content = false, $bg_content = false) {
1634
1635                 if (!$feed_title) $feed_title = getFeedTitle($link, $feed_id, false);
1636                 if (!$unread) $unread = getFeedUnread($link, $feed_id);
1637
1638                 if ($unread > 0) $class .= "Unread";
1639
1640                 if (!$icon_file) $icon_file = getFeedIcon($feed_id);
1641
1642                 if (strpos($icon_file, "images") !== false) {
1643                         $icon_file = theme_image($link, $icon_file);
1644                 }
1645
1646                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1647                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1648                 } else {
1649                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1650                 }
1651
1652                 if ($rtl_content) {
1653                         $rtl_tag = "dir=\"rtl\"";
1654                 } else {
1655                         $rtl_tag = "dir=\"ltr\"";
1656                 }
1657
1658                 $error_notify_msg = "";
1659
1660                 if ($last_error) {
1661                         $link_title = "Error: $last_error ($last_updated)";
1662                         $error_notify_msg = "(Error)";
1663                 } else if ($last_updated) {
1664                         $link_title = "Updated: $last_updated";
1665                 }
1666
1667                 $feed = "<span class='feedlink' title=\"$link_title\" id=\"FEEDL-$feed_id\" href=\"#\"
1668                         onclick=\"viewfeed('$feed_id');\">$feed_title</span>";
1669
1670 /*              if ($feed_id < -10) {
1671                         $bg_color = "#00ccff";
1672                         $fg_color = "white";
1673                 }
1674
1675                 if ($fg_color || $bg_color) {
1676                         $color_str = "<div class='labelColorIndicator'
1677                                 style='color : $fg_color; background-color : $bg_color'>l</div>";
1678                 }
1679
1680                 print $color_str; */
1681
1682                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1683                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1684                         print "$feed_icon";
1685                 }
1686
1687                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1688
1689                 if ($unread != 0) {
1690                         $fctr_class = "class=\"feedCtrHasUnread\"";
1691                 } else {
1692                         $fctr_class = "class=\"feedCtrNoUnread\"";
1693                 }
1694
1695                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1696                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1697
1698                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1699                         $total = getFeedArticles($link, $feed_id);
1700                         print "<div class=\"feedExtInfo\">
1701                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1702                 }
1703
1704                 print "</li>";
1705
1706         }
1707
1708         function getmicrotime() {
1709                 list($usec, $sec) = explode(" ",microtime());
1710                 return ((float)$usec + (float)$sec);
1711         }
1712
1713         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1714                 foreach ($values as $v) {
1715
1716                         if ($v == $default)
1717                                 $sel = "checked";
1718                          else
1719                                 $sel = "";
1720
1721                         if ($v == $true_is) {
1722                                 $sel .= " value=\"1\"";
1723                         } else {
1724                                 $sel .= " value=\"0\"";
1725                         }
1726
1727                         print "<input class=\"noborder\"
1728                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1729
1730                 }
1731         }
1732
1733         function initialize_user_prefs($link, $uid, $profile = false) {
1734
1735                 $uid = db_escape_string($uid);
1736
1737                 if (!$profile) {
1738                         $profile = "NULL";
1739                         $profile_qpart = "AND profile IS NULL";
1740                 } else {
1741                         $profile_qpart = "AND profile = '$profile'";
1742                 }
1743
1744                 if (get_schema_version($link) < 63) $profile_qpart = "";
1745
1746                 db_query($link, "BEGIN");
1747
1748                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1749
1750                 $u_result = db_query($link, "SELECT pref_name
1751                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
1752
1753                 $active_prefs = array();
1754
1755                 while ($line = db_fetch_assoc($u_result)) {
1756                         array_push($active_prefs, $line["pref_name"]);
1757                 }
1758
1759                 while ($line = db_fetch_assoc($result)) {
1760                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1761 //                              print "adding " . $line["pref_name"] . "<br>";
1762
1763                                 if (get_schema_version($link) < 63) {
1764                                         db_query($link, "INSERT INTO ttrss_user_prefs
1765                                                 (owner_uid,pref_name,value) VALUES
1766                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1767
1768                                 } else {
1769                                         db_query($link, "INSERT INTO ttrss_user_prefs
1770                                                 (owner_uid,pref_name,value, profile) VALUES
1771                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1772                                 }
1773
1774                         }
1775                 }
1776
1777                 db_query($link, "COMMIT");
1778
1779         }
1780
1781         function lookup_user_id($link, $user) {
1782
1783                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1784                         login = '$login'");
1785
1786                 if (db_num_rows($result) == 1) {
1787                         return db_fetch_result($result, 0, "id");
1788                 } else {
1789                         return false;
1790                 }
1791         }
1792
1793         function http_authenticate_user($link) {
1794
1795 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1796
1797                 if (!$_SERVER["PHP_AUTH_USER"]) {
1798
1799                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1800                         header('HTTP/1.0 401 Unauthorized');
1801                         exit;
1802
1803                 } else {
1804                         $auth_result = authenticate_user($link,
1805                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1806
1807                         if (!$auth_result) {
1808                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1809                                 header('HTTP/1.0 401 Unauthorized');
1810                                 exit;
1811                         }
1812                 }
1813
1814                 return true;
1815         }
1816
1817         function authenticate_user($link, $login, $password, $force_auth = false) {
1818
1819                 if (!SINGLE_USER_MODE) {
1820
1821                         $pwd_hash1 = encrypt_password($password);
1822                         $pwd_hash2 = encrypt_password($password, $login);
1823                         $login = db_escape_string($login);
1824
1825                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1826                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1827
1828                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1829
1830                                 $query = "SELECT id,login,access_level,pwd_hash
1831                     FROM ttrss_users WHERE
1832                                         login = '$login'";
1833
1834                         } else {
1835                                 $query = "SELECT id,login,access_level,pwd_hash
1836                     FROM ttrss_users WHERE
1837                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1838                                                 pwd_hash = '$pwd_hash2')";
1839                         }
1840
1841                         $result = db_query($link, $query);
1842
1843                         if (db_num_rows($result) == 1) {
1844                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1845                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1846                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1847
1848                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1849                                         $_SESSION["uid"]);
1850
1851                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1852                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1853
1854                                 initialize_user_prefs($link, $_SESSION["uid"]);
1855
1856                                 return true;
1857                         }
1858
1859                         return false;
1860
1861                 } else {
1862
1863                         $_SESSION["uid"] = 1;
1864                         $_SESSION["name"] = "admin";
1865
1866                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1867
1868                         initialize_user_prefs($link, $_SESSION["uid"]);
1869
1870                         return true;
1871                 }
1872         }
1873
1874         function make_password($length = 8) {
1875
1876                 $password = "";
1877                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1878
1879         $i = 0;
1880
1881                 while ($i < $length) {
1882                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1883
1884                         if (!strstr($password, $char)) {
1885                                 $password .= $char;
1886                                 $i++;
1887                         }
1888                 }
1889                 return $password;
1890         }
1891
1892         // this is called after user is created to initialize default feeds, labels
1893         // or whatever else
1894
1895         // user preferences are checked on every login, not here
1896
1897         function initialize_user($link, $uid) {
1898
1899 /*              db_query($link, "INSERT INTO ttrss_labels2 (owner_uid, caption)
1900                         VALUES ('$uid', 'All Articles')");
1901
1902                 db_query($link, "INSERT INTO ttrss_filters
1903                         (owner_uid, feed_id, filter_type, reg_exp, enabled,
1904                                 action_id, action_param, filter_param)
1905                         VALUES ('$uid', NULL, 1, '.', true, 7, 'All Articles', 'before')"); */
1906
1907                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1908                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1909                         'http://tt-rss.org/releases.rss')");
1910
1911                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1912                         values ('$uid', 'Tiny Tiny RSS: Forum',
1913                         'http://tt-rss.org/forum/rss.php')");
1914         }
1915
1916         function logout_user() {
1917                 session_destroy();
1918                 if (isset($_COOKIE[session_name()])) {
1919                    setcookie(session_name(), '', time()-42000, '/');
1920                 }
1921         }
1922
1923         function get_script_urlpath() {
1924                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1925         }
1926
1927         function validate_session($link) {
1928                 if (SINGLE_USER_MODE) {
1929                         return true;
1930                 }
1931
1932                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1933                         if ($_SESSION["ip_address"]) {
1934                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1935                                         $_SESSION["login_error_msg"] = __("Session failed to validate (incorrect IP)");
1936                                         return false;
1937                                 }
1938                         }
1939                 }
1940
1941                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true)) {
1942                         return false;
1943                 }
1944
1945                 if ($_SESSION["uid"]) {
1946
1947                         $result = db_query($link,
1948                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1949
1950                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1951
1952                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1953                                 return false;
1954                         }
1955                 }
1956
1957 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1958
1959                         //print_r($_SESSION);
1960
1961                         if (time() > $_SESSION["cookie_lifetime"]) {
1962                                 return false;
1963                         }
1964                 } */
1965
1966                 return true;
1967         }
1968
1969         function login_sequence($link, $mobile = false) {
1970                 if (!SINGLE_USER_MODE) {
1971
1972                         $login_action = $_POST["login_action"];
1973
1974                         # try to authenticate user if called from login form
1975                         if ($login_action == "do_login") {
1976                                 $login = $_POST["login"];
1977                                 $password = $_POST["password"];
1978                                 $remember_me = $_POST["remember_me"];
1979
1980                                 if (authenticate_user($link, $login, $password)) {
1981                                         $_POST["password"] = "";
1982
1983                                         $_SESSION["language"] = $_POST["language"];
1984                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
1985                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1986
1987                                         if ($_POST["profile"]) {
1988
1989                                                 $profile = db_escape_string($_POST["profile"]);
1990
1991                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
1992                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
1993
1994                                                 if (db_num_rows($result) != 0) {
1995                                                         $_SESSION["profile"] = $profile;
1996                                                         $_SESSION["prefs_cache"] = array();
1997                                                 }
1998                                         }
1999
2000                                         header("Location: " . $_SERVER["REQUEST_URI"]);
2001                                         exit;
2002
2003                                         return;
2004                                 } else {
2005                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
2006                                 }
2007                         }
2008
2009                         if (!$_SESSION["uid"] || !validate_session($link)) {
2010                                 render_login_form($link, $mobile);
2011                                 //header("Location: login.php");
2012                                 exit;
2013                         } else {
2014                                 /* bump login timestamp */
2015                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
2016                                         $_SESSION["uid"]);
2017
2018                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
2019                                         setcookie("ttrss_lang", $_SESSION["language"],
2020                                                 time() + SESSION_COOKIE_LIFETIME);
2021                                 }
2022
2023                                 /* bump counters stamp since we're getting reloaded anyway */
2024
2025                                 $_SESSION["get_all_counters_stamp"] = time();
2026                         }
2027
2028                 } else {
2029                         return authenticate_user($link, "admin", null);
2030                 }
2031         }
2032
2033         function truncate_string($str, $max_len) {
2034                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
2035                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
2036                 } else {
2037                         return $str;
2038                 }
2039         }
2040
2041         function theme_image($link, $filename) {
2042                 if ($link) {
2043                         $theme_path = get_user_theme_path($link);
2044
2045                         if ($theme_path && is_file($theme_path.$filename)) {
2046                                 return $theme_path.$filename;
2047                         } else {
2048                                 return $filename;
2049                         }
2050                 } else {
2051                         return $filename;
2052                 }
2053         }
2054
2055         function get_user_theme($link) {
2056
2057                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2058                         $theme_name = get_pref($link, "_THEME_ID");
2059                         if (is_dir("themes/$theme_name")) {
2060                                 return $theme_name;
2061                         } else {
2062                                 return '';
2063                         }
2064                 } else {
2065                         return '';
2066                 }
2067
2068         }
2069
2070         function get_user_theme_path($link) {
2071
2072                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2073                         $theme_name = get_pref($link, "_THEME_ID");
2074
2075                         if ($theme_name && is_dir("themes/$theme_name")) {
2076                                 $theme_path = "themes/$theme_name/";
2077                         } else {
2078                                 $theme_name = '';
2079                         }
2080                 } else {
2081                         $theme_path = '';
2082                 }
2083
2084                 return $theme_path;
2085         }
2086
2087         function get_user_theme_options($link) {
2088                 $t = get_user_theme_path($link);
2089
2090                 if ($t) {
2091                         if (is_file("$t/theme.ini")) {
2092                                 $ini = parse_ini_file("$t/theme.ini", true);
2093                                 if ($ini['theme']['version']) {
2094                                         return $ini['theme']['options'];
2095                                 }
2096                         }
2097                 }
2098                 return false;
2099         }
2100
2101
2102         function get_all_themes() {
2103                 $themes = glob("themes/*");
2104
2105                 asort($themes);
2106
2107                 $rv = array();
2108
2109                 foreach ($themes as $t) {
2110                         if (is_file("$t/theme.ini")) {
2111                                 $ini = parse_ini_file("$t/theme.ini", true);
2112                                 if ($ini['theme']['version'] && !$ini['theme']['disabled']) {
2113                                         $entry = array();
2114                                         $entry["path"] = $t;
2115                                         $entry["base"] = basename($t);
2116                                         $entry["name"] = $ini['theme']['name'];
2117                                         $entry["version"] = $ini['theme']['version'];
2118                                         $entry["author"] = $ini['theme']['author'];
2119                                         $entry["options"] = $ini['theme']['options'];
2120                                         array_push($rv, $entry);
2121                                 }
2122                         }
2123                 }
2124
2125                 return $rv;
2126         }
2127
2128         function smart_date_time($timestamp) {
2129                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2130                         return date("G:i", $timestamp);
2131                 } else if (date("Y", $timestamp) == date("Y")) {
2132                         return date("M d, G:i", $timestamp);
2133                 } else {
2134                         return date("Y/m/d, G:i", $timestamp);
2135                 }
2136         }
2137
2138         function smart_date($timestamp) {
2139                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2140                         return "Today";
2141                 } else if (date("Y", $timestamp) == date("Y")) {
2142                         return date("D m", $timestamp);
2143                 } else {
2144                         return date("Y/m/d", $timestamp);
2145                 }
2146         }
2147
2148         function sql_bool_to_string($s) {
2149                 if ($s == "t" || $s == "1") {
2150                         return "true";
2151                 } else {
2152                         return "false";
2153                 }
2154         }
2155
2156         function sql_bool_to_bool($s) {
2157                 if ($s == "t" || $s == "1") {
2158                         return true;
2159                 } else {
2160                         return false;
2161                 }
2162         }
2163
2164         function bool_to_sql_bool($s) {
2165                 if ($s) {
2166                         return "true";
2167                 } else {
2168                         return "false";
2169                 }
2170         }
2171
2172         function toggleEvenOdd($a) {
2173                 if ($a == "even")
2174                         return "odd";
2175                 else
2176                         return "even";
2177         }
2178
2179         function get_schema_version($link, $nocache = false) {
2180                 if (!$_SESSION["schema_version"] || $nocache) {
2181                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2182                         $version = db_fetch_result($result, 0, "schema_version");
2183                         $_SESSION["schema_version"] = $version;
2184                         return $version;
2185                 } else {
2186                         return $_SESSION["schema_version"];
2187                 }
2188         }
2189
2190         function sanity_check($link) {
2191
2192                 error_reporting(0);
2193
2194                 $error_code = 0;
2195                 $schema_version = get_schema_version($link);
2196
2197                 if ($schema_version != SCHEMA_VERSION) {
2198                         $error_code = 5;
2199                 }
2200
2201                 if (DB_TYPE == "mysql") {
2202                         $result = db_query($link, "SELECT true", false);
2203                         if (db_num_rows($result) != 1) {
2204                                 $error_code = 10;
2205                         }
2206                 }
2207
2208                 if (db_escape_string("testTEST") != "testTEST") {
2209                         $error_code = 12;
2210                 }
2211
2212                 error_reporting (DEFAULT_ERROR_LEVEL);
2213
2214                 if ($error_code != 0) {
2215                         print_error_xml($error_code);
2216                         return false;
2217                 } else {
2218                         return true;
2219                 }
2220         }
2221
2222         function file_is_locked($filename) {
2223                 if (function_exists('flock')) {
2224                         error_reporting(0);
2225                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2226                         error_reporting(DEFAULT_ERROR_LEVEL);
2227                         if ($fp) {
2228                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2229                                         flock($fp, LOCK_UN);
2230                                         fclose($fp);
2231                                         return false;
2232                                 }
2233                                 fclose($fp);
2234                                 return true;
2235                         } else {
2236                                 return false;
2237                         }
2238                 }
2239                 return true; // consider the file always locked and skip the test
2240         }
2241
2242         function make_lockfile($filename) {
2243                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2244
2245                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2246                         if (function_exists('posix_getpid')) {
2247                                 fwrite($fp, posix_getpid() . "\n");
2248                         }
2249                         return $fp;
2250                 } else {
2251                         return false;
2252                 }
2253         }
2254
2255         function make_stampfile($filename) {
2256                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2257
2258                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2259                         fwrite($fp, time() . "\n");
2260                         flock($fp, LOCK_UN);
2261                         fclose($fp);
2262                         return true;
2263                 } else {
2264                         return false;
2265                 }
2266         }
2267
2268         function read_stampfile($filename) {
2269
2270                 error_reporting(0);
2271                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2272                 error_reporting (DEFAULT_ERROR_LEVEL);
2273
2274                 if ($fp) {
2275                         if (flock($fp, LOCK_EX)) {
2276                                 $stamp = fgets($fp);
2277                                 flock($fp, LOCK_UN);
2278                                 fclose($fp);
2279                                 return $stamp;
2280                         } else {
2281                                 return false;
2282                         }
2283                 } else {
2284                         return false;
2285                 }
2286         }
2287
2288         function sql_random_function() {
2289                 if (DB_TYPE == "mysql") {
2290                         return "RAND()";
2291                 } else {
2292                         return "RANDOM()";
2293                 }
2294         }
2295
2296         function catchup_feed($link, $feed, $cat_view, $owner_uid) {
2297
2298                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2299
2300                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2301
2302                                 if ($cat_view) {
2303
2304                                         if ($feed >= 0) {
2305
2306                                                 if ($feed > 0) {
2307                                                         $cat_qpart = "cat_id = '$feed'";
2308                                                 } else {
2309                                                         $cat_qpart = "cat_id IS NULL";
2310                                                 }
2311
2312                                                 $tmp_result = db_query($link, "SELECT id
2313                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2314
2315                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2316
2317                                                         $tmp_feed = $tmp_line["id"];
2318
2319                                                         db_query($link, "UPDATE ttrss_user_entries
2320                                                                 SET unread = false,last_read = NOW()
2321                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2322                                                 }
2323                                         } else if ($feed == -2) {
2324
2325
2326                                                 db_query($link, "UPDATE ttrss_user_entries
2327                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2328                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2329                                                         AND unread = true AND owner_uid = $owner_uid");
2330                                         }
2331
2332                                 } else if ($feed > 0) {
2333
2334                                         $tmp_result = db_query($link, "SELECT id
2335                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2336                                                 ORDER BY cat_id,title");
2337
2338                                         $parent_ids = array();
2339
2340                                         if (db_num_rows($tmp_result) > 0) {
2341                                                 while ($p = db_fetch_assoc($tmp_result)) {
2342                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2343                                                 }
2344
2345                                                 $children_qpart = implode(" OR ", $parent_ids);
2346
2347                                                 db_query($link, "UPDATE ttrss_user_entries
2348                                                         SET unread = false,last_read = NOW()
2349                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2350                                                         AND owner_uid = $owner_uid");
2351
2352                                         } else {
2353                                                 db_query($link, "UPDATE ttrss_user_entries
2354                                                         SET unread = false,last_read = NOW()
2355                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2356                                         }
2357
2358                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2359
2360                                         if ($feed == -1) {
2361                                                 db_query($link, "UPDATE ttrss_user_entries
2362                                                         SET unread = false,last_read = NOW()
2363                                                         WHERE marked = true AND owner_uid = $owner_uid");
2364                                         }
2365
2366                                         if ($feed == -2) {
2367                                                 db_query($link, "UPDATE ttrss_user_entries
2368                                                         SET unread = false,last_read = NOW()
2369                                                         WHERE published = true AND owner_uid = $owner_uid");
2370                                         }
2371
2372                                         if ($feed == -3) {
2373
2374                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2375
2376                                                 if (DB_TYPE == "pgsql") {
2377                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2378                                                 } else {
2379                                                         $match_part = "updated > DATE_SUB(NOW(),
2380                                                                 INTERVAL $intl HOUR) ";
2381                                                 }
2382
2383                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2384                                                         ttrss_user_entries WHERE $match_part AND
2385                                                         unread = true AND
2386                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2387                                                         owner_uid = $owner_uid");
2388
2389                                                 $affected_ids = array();
2390
2391                                                 while ($line = db_fetch_assoc($result)) {
2392                                                         array_push($affected_ids, $line["id"]);
2393                                                 }
2394
2395                                                 catchupArticlesById($link, $affected_ids, 0);
2396                                         }
2397
2398                                         if ($feed == -4) {
2399                                                 db_query($link, "UPDATE ttrss_user_entries
2400                                                         SET unread = false,last_read = NOW()
2401                                                         WHERE owner_uid = $owner_uid");
2402                                         }
2403
2404                                 } else if ($feed < -10) { // label
2405
2406                                         $label_id = -$feed - 11;
2407
2408                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2409                                                 SET unread = false, last_read = NOW()
2410                                                         WHERE label_id = '$label_id' AND unread = true
2411                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2412
2413                                 }
2414
2415                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2416
2417                         } else { // tag
2418                                 db_query($link, "BEGIN");
2419
2420                                 $tag_name = db_escape_string($feed);
2421
2422                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2423                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2424
2425                                 while ($line = db_fetch_assoc($result)) {
2426                                         db_query($link, "UPDATE ttrss_user_entries SET
2427                                                 unread = false, last_read = NOW()
2428                                                 WHERE int_id = " . $line["post_int_id"]);
2429                                 }
2430                                 db_query($link, "COMMIT");
2431                         }
2432         }
2433
2434         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2435                         if ($cat_view) {
2436
2437                                 if ($feed > 0) {
2438                                         $cat_qpart = "cat_id = '$feed'";
2439                                 } else {
2440                                         $cat_qpart = "cat_id IS NULL";
2441                                 }
2442
2443                                 $tmp_result = db_query($link, "SELECT id FROM ttrss_feeds
2444                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2445
2446                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2447                                         $feed_id = $tmp_line["id"];
2448                                         update_rss_feed($link, $feed_id, $force_update);
2449                                 }
2450
2451                         } else {
2452                                 update_rss_feed($link, $feed, $force_update);
2453                         }
2454         }
2455
2456         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2457
2458                 if (!$omode) $omode = "flc";
2459
2460                 getGlobalCounters($link);
2461                 getVirtCounters($link);
2462
2463                 if (strchr($omode, "l")) getLabelCounters($link);
2464                 if (strchr($omode, "f")) getFeedCounters($link, $active_feed);
2465                 if (strchr($omode, "t")) getTagCounters($link);
2466                 if (strchr($omode, "c")) {
2467                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2468                                 getCategoryCounters($link);
2469                         }
2470                 }
2471         }
2472
2473         function getCategoryCounters($link) {
2474                 # two special categories are -1 and -2 (all virtuals; all labels)
2475
2476 /*              $ctr = getCategoryUnread($link, -1);
2477
2478                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>"; */
2479
2480                 $ctr = getCategoryUnread($link, -2);
2481
2482                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
2483
2484                 $age_qpart = getMaxAgeSubquery();
2485
2486                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2487                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2488                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2489                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2490
2491                 while ($line = db_fetch_assoc($result)) {
2492                         $line["cat_id"] = (int) $line["cat_id"];
2493
2494                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2495                                 $line["unread"]."\"/>";
2496                 }
2497
2498                 /* Special case: NULL category doesn't actually exist in the DB */
2499
2500                 print "<counter type=\"category\" id=\"0\" counter=\"".
2501                         ccache_find($link, 0, $_SESSION["uid"], true)."\"/>";
2502
2503         }
2504
2505         function getCategoryUnread($link, $cat, $owner_uid = false) {
2506
2507                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2508
2509                 if ($cat >= 0) {
2510
2511                         if ($cat != 0) {
2512                                 $cat_query = "cat_id = '$cat'";
2513                         } else {
2514                                 $cat_query = "cat_id IS NULL";
2515                         }
2516
2517                         $age_qpart = getMaxAgeSubquery();
2518
2519                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2520                                         AND owner_uid = " . $owner_uid);
2521
2522                         $cat_feeds = array();
2523                         while ($line = db_fetch_assoc($result)) {
2524                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2525                         }
2526
2527                         if (count($cat_feeds) == 0) return 0;
2528
2529                         $match_part = implode(" OR ", $cat_feeds);
2530
2531                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2532                                 FROM ttrss_user_entries,ttrss_entries
2533                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2534                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2535
2536                         $unread = 0;
2537
2538                         # this needs to be rewritten
2539                         while ($line = db_fetch_assoc($result)) {
2540                                 $unread += $line["unread"];
2541                         }
2542
2543                         return $unread;
2544                 } else if ($cat == -1) {
2545                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2546                 } else if ($cat == -2) {
2547
2548                         $result = db_query($link, "
2549                                 SELECT COUNT(unread) AS unread FROM
2550                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2551                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2552                                         ttrss_labels2.owner_uid = '$owner_uid'
2553                                         AND unread = true AND feed_id = ttrss_feeds.id
2554                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2555
2556                         $unread = db_fetch_result($result, 0, "unread");
2557
2558                         return $unread;
2559
2560                 }
2561         }
2562
2563         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2564                 if (DB_TYPE == "pgsql") {
2565                         return "ttrss_entries.date_entered >
2566                                 NOW() - INTERVAL '$days days'";
2567                 } else {
2568                         return "ttrss_entries.date_entered >
2569                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2570                 }
2571         }
2572
2573         function getFeedUnread($link, $feed, $is_cat = false) {
2574                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2575         }
2576
2577         function getLabelUnread($link, $label_id, $owner_uid = false) {
2578                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2579
2580                 $result = db_query($link, "
2581                         SELECT COUNT(unread) AS unread FROM
2582                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2583                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2584                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2585                                 AND unread = true AND feed_id = ttrss_feeds.id
2586                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2587
2588                 if (db_num_rows($result) != 0) {
2589                         return db_fetch_result($result, 0, "unread");
2590                 } else {
2591                         return 0;
2592                 }
2593         }
2594
2595         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2596                 $owner_uid = false) {
2597
2598                 $n_feed = (int) $feed;
2599
2600                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2601
2602                 if ($unread_only) {
2603                         $unread_qpart = "unread = true";
2604                 } else {
2605                         $unread_qpart = "true";
2606                 }
2607
2608                 $age_qpart = getMaxAgeSubquery();
2609
2610                 if ($is_cat) {
2611                         return getCategoryUnread($link, $n_feed, $owner_uid);
2612                 } if ($feed != "0" && $n_feed == 0) {
2613
2614                         $feed = db_escape_string($feed);
2615
2616                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2617                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2618                                         AND ref_id = id AND $age_qpart
2619                                         AND $unread_qpart)) AS count FROM ttrss_tags
2620                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2621                         return db_fetch_result($result, 0, "count");
2622
2623                 } else if ($n_feed == -1) {
2624                         $match_part = "marked = true";
2625                 } else if ($n_feed == -2) {
2626                         $match_part = "published = true";
2627                 } else if ($n_feed == -3) {
2628                         $match_part = "unread = true";
2629
2630                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2631
2632                         if (DB_TYPE == "pgsql") {
2633                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2634                         } else {
2635                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2636                         }
2637                 } else if ($n_feed == -4) {
2638                         $match_part = "true";
2639                 } else if ($n_feed >= 0) {
2640
2641                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2642                                         WHERE parent_feed = '$n_feed'
2643                                         AND owner_uid = " . $owner_uid);
2644
2645                         if (db_num_rows($result) > 0) {
2646
2647                                 $linked_feeds = array();
2648                                 while ($line = db_fetch_assoc($result)) {
2649                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2650                                 }
2651
2652                                 array_push($linked_feeds, "feed_id = $n_feed");
2653
2654                                 $match_part = implode(" OR ", $linked_feeds);
2655
2656                                 $tmp_result = db_query($link, "SELECT COUNT(int_id) AS unread
2657                                         FROM ttrss_user_entries,ttrss_entries
2658                                         WHERE   $unread_qpart AND
2659                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2660                                         $age_qpart AND
2661                                         ($match_part) AND
2662                                         owner_uid = " . $owner_uid);
2663
2664                                 $unread = 0;
2665
2666                                 # this needs to be rewritten
2667                                 while ($line = db_fetch_assoc($tmp_result)) {
2668                                         $unread += $line["unread"];
2669                                 }
2670
2671                                 return $unread;
2672
2673                         } else {
2674                                 if ($n_feed != 0) {
2675                                         $match_part = "feed_id = '$n_feed'";
2676                                 } else {
2677                                         $match_part = "feed_id IS NULL";
2678                                 }
2679                         }
2680                 } else if ($feed < -10) {
2681
2682                         $label_id = -$feed - 11;
2683
2684                         return getLabelUnread($link, $label_id, $owner_uid);
2685
2686                 }
2687
2688                 if ($match_part) {
2689
2690                         if ($n_feed != 0) {
2691                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2692                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2693                         } else {
2694                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2695                         }
2696
2697                         $query = "SELECT count(int_id) AS unread
2698                                 FROM $from_qpart WHERE
2699                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2700                                 $age_qpart AND
2701                                 $feeds_qpart
2702                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2703
2704                         $result = db_query($link, $query);
2705
2706                 } else {
2707
2708                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2709                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2710                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2711                                 AND $unread_qpart AND $age_qpart AND
2712                                         ttrss_tags.owner_uid = " . $owner_uid);
2713                 }
2714
2715                 $unread = db_fetch_result($result, 0, "unread");
2716
2717                 return $unread;
2718         }
2719
2720         function getGlobalUnread($link, $user_id = false) {
2721
2722                 if (!$user_id) {
2723                         $user_id = $_SESSION["uid"];
2724                 }
2725
2726                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2727                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2728
2729                 $c_id = db_fetch_result($result, 0, "c_id");
2730
2731                 return $c_id;
2732         }
2733
2734         function getGlobalCounters($link, $global_unread = -1) {
2735                 if ($global_unread == -1) {
2736                         $global_unread = getGlobalUnread($link);
2737                 }
2738                 print "<counter type=\"global\" id='global-unread'
2739                         counter='$global_unread'/>";
2740
2741                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2742                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2743
2744                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2745
2746                 print "<counter type=\"global\" id='subscribed-feeds'
2747                         counter='$subscribed_feeds'/>";
2748
2749         }
2750
2751         function getSubscribedFeeds($link) {
2752                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2753                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2754
2755                 return db_fetch_result($result, 0, "fn");
2756         }
2757
2758         function getTagCounters($link) {
2759
2760                 $age_qpart = getMaxAgeSubquery();
2761
2762                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2763                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2764                                 AND ref_id = id AND $age_qpart
2765                                 AND unread = true)) AS count FROM ttrss_tags
2766                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2767                                 ORDER BY count DESC LIMIT 55");
2768
2769                 $tags = array();
2770
2771                 while ($line = db_fetch_assoc($result)) {
2772                         $tags[$line["tag_name"]] += $line["count"];
2773                 }
2774
2775                 foreach (array_keys($tags) as $tag) {
2776                         $unread = $tags[$tag];
2777                         $tag = htmlspecialchars($tag);
2778                         print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2779                 }
2780         }
2781
2782         function getVirtCounters($link, $ret_mode = false) {
2783
2784                 $ret_arr = array();
2785
2786                 for ($i = 0; $i >= -4; $i--) {
2787
2788                         $count = getFeedUnread($link, $i);
2789
2790                         if (!$ret_mode) {
2791
2792                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2793                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $i) . " total)\"";
2794                                 } else {
2795                                         $xmsg_part = "";
2796                                 }
2797
2798                                 print "<counter type=\"label\" id=\"$i\" counter=\"$count\" $xmsg_part/>";
2799                         } else {
2800                                 $ret_arr[$i]["counter"] = $count;
2801                                 $ret_arr[$i]["description"] = getFeedTitle($link, $i);
2802                         }
2803                 }
2804
2805                 return $ret_arr;
2806         }
2807
2808         function getLabelCounters($link, $ret_mode = false) {
2809
2810                 $age_qpart = getMaxAgeSubquery();
2811
2812                 $owner_uid = $_SESSION["uid"];
2813
2814                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2815                         WHERE owner_uid = '$owner_uid'");
2816
2817                 while ($line = db_fetch_assoc($result)) {
2818
2819                         $id = -$line["id"] - 11;
2820
2821                         $label_name = $line["caption"];
2822                         $count = getFeedUnread($link, $id);
2823
2824                         if (!$ret_mode) {
2825
2826                                 if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2827                                         $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2828                                 } else {
2829                                         $xmsg_part = "";
2830                                 }
2831
2832                                 print "<counter type=\"label\" id=\"$id\" counter=\"$count\" $xmsg_part/>";
2833
2834                         } else {
2835                                 $ret_arr[$id]["counter"] = $count;
2836                                 $ret_arr[$id]["description"] = $label_name;
2837                         }
2838                 }
2839
2840                 return $ret_arr;
2841         }
2842
2843         function getFeedCounters($link, $active_feed = false) {
2844
2845                 $age_qpart = getMaxAgeSubquery();
2846
2847                 $query = "SELECT ttrss_feeds.id,
2848                                 ttrss_feeds.title,
2849                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2850                                 last_error, value AS count
2851                         FROM ttrss_feeds, ttrss_counters_cache
2852                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2853                                 AND parent_feed IS NULL
2854                                 AND ttrss_counters_cache.feed_id = id";
2855
2856                 $result = db_query($link, $query);
2857                 $fctrs_modified = false;
2858
2859                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2860
2861                 while ($line = db_fetch_assoc($result)) {
2862
2863                         $id = $line["id"];
2864                         $count = $line["count"];
2865                         $last_error = htmlspecialchars($line["last_error"]);
2866
2867                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2868                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2869                         } else {
2870                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2871                         }
2872
2873                         $last_updated = htmlspecialchars($last_updated);
2874
2875                         $has_img = feed_has_icon($id);
2876
2877                         $tmp_result = db_query($link,
2878                                 "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
2879                                         WHERE parent_feed = '$id' AND feed_id = id");
2880
2881                         $count += db_fetch_result($tmp_result, 0, "unread");
2882
2883                         if ($last_error) {
2884                                 $error_part = "error=\"$last_error\"";
2885                         } else {
2886                                 $error_part = "";
2887                         }
2888
2889                         if ($has_img) {
2890                                 $has_img_part = "hi=\"$has_img\"";
2891                         } else {
2892                                 $has_img_part = "";
2893                         }
2894
2895                         if ($active_feed && $id == $active_feed) {
2896                                 $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2897                         } else {
2898                                 $has_title_part = "";
2899                         }
2900
2901                         if (get_pref($link, 'EXTENDED_FEEDLIST')) {
2902                                 $xmsg_part = "xmsg=\"(" . getFeedArticles($link, $id) . " total)\"";
2903                         }
2904
2905                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $xmsg_part $has_title_part/>";
2906                 }
2907         }
2908
2909         function get_script_dt_add() {
2910 /*              if (strpos(VERSION, ".99") === false) {
2911                         return VERSION;
2912                 } else {
2913                         return time();
2914                 } */
2915                 return time();
2916         }
2917
2918         function get_pgsql_version($link) {
2919                 $result = db_query($link, "SELECT version() AS version");
2920                 $version = split(" ", db_fetch_result($result, 0, "version"));
2921                 return $version[1];
2922         }
2923
2924         function print_error_xml($code, $add_msg = "") {
2925                 global $ERRORS;
2926
2927                 $error_msg = $ERRORS[$code];
2928
2929                 if ($add_msg) {
2930                         $error_msg = "$error_msg; $add_msg";
2931                 }
2932
2933                 print "<rpc-reply>";
2934                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2935                 print "</rpc-reply>";
2936         }
2937
2938         function subscribe_to_feed($link, $url, $cat_id = 0,
2939                         $auth_login = '', $auth_pass = '') {
2940
2941                 $parts = parse_url($url);
2942
2943                 if (!validate_feed_url($url)) return 2;
2944
2945                 if ($parts['scheme'] == 'feed') $parts['scheme'] = 'http';
2946
2947                 $url = make_url_from_parts($parts);
2948
2949                 if ($cat_id == "0" || !$cat_id) {
2950                         $cat_qpart = "NULL";
2951                 } else {
2952                         $cat_qpart = "'$cat_id'";
2953                 }
2954
2955                 $result = db_query($link,
2956                         "SELECT id FROM ttrss_feeds
2957                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2958
2959                 if (db_num_rows($result) == 0) {
2960
2961                         $result = db_query($link,
2962                                 "INSERT INTO ttrss_feeds
2963                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2964                                 VALUES ('".$_SESSION["uid"]."', '$url',
2965                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2966
2967                         $result = db_query($link,
2968                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
2969                                         AND owner_uid = " . $_SESSION["uid"]);
2970
2971                         $feed_id = db_fetch_result($result, 0, "id");
2972
2973                         if ($feed_id) {
2974                                 update_rss_feed($link, $feed_id, true);
2975                         }
2976
2977                         return 1;
2978                 } else {
2979                         return 0;
2980                 }
2981         }
2982
2983         function print_feed_select($link, $id, $default_id = "",
2984                 $attributes = "", $include_all_feeds = true) {
2985
2986                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2987                 if ($include_all_feeds) {
2988                         print "<option value=\"0\">".__('All feeds')."</option>";
2989                 }
2990
2991                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2992                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2993
2994                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2995                         print "<option disabled>--------</option>";
2996                 }
2997
2998                 while ($line = db_fetch_assoc($result)) {
2999                         if ($line["id"] == $default_id) {
3000                                 $is_selected = "selected";
3001                         } else {
3002                                 $is_selected = "";
3003                         }
3004
3005                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
3006
3007                         printf("<option $is_selected value='%d'>%s</option>",
3008                                 $line["id"], $title);
3009                 }
3010
3011                 print "</select>";
3012         }
3013
3014         function print_feed_cat_select($link, $id, $default_id = "",
3015                 $attributes = "", $include_all_cats = true) {
3016
3017                 print "<select id=\"$id\" name=\"$id\" $attributes>";
3018
3019                 if ($include_all_cats) {
3020                         print "<option value=\"0\">".__('Uncategorized')."</option>";
3021                 }
3022
3023                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
3024                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
3025
3026                 if (db_num_rows($result) > 0 && $include_all_cats) {
3027                         print "<option disabled>--------</option>";
3028                 }
3029
3030                 while ($line = db_fetch_assoc($result)) {
3031                         if ($line["id"] == $default_id) {
3032                                 $is_selected = "selected";
3033                         } else {
3034                                 $is_selected = "";
3035                         }
3036                         printf("<option $is_selected value='%d'>%s</option>",
3037                                 $line["id"], htmlspecialchars($line["title"]));
3038                 }
3039
3040                 print "</select>";
3041         }
3042
3043         function checkbox_to_sql_bool($val) {
3044                 return ($val == "on") ? "true" : "false";
3045         }
3046
3047         function getFeedCatTitle($link, $id) {
3048                 if ($id == -1) {
3049                         return __("Special");
3050                 } else if ($id < -10) {
3051                         return __("Labels");
3052                 } else if ($id > 0) {
3053                         $result = db_query($link, "SELECT ttrss_feed_categories.title
3054                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3055                                         cat_id = ttrss_feed_categories.id");
3056                         if (db_num_rows($result) == 1) {
3057                                 return db_fetch_result($result, 0, "title");
3058                         } else {
3059                                 return __("Uncategorized");
3060                         }
3061                 } else {
3062                         return "getFeedCatTitle($id) failed";
3063                 }
3064
3065         }
3066
3067         function getFeedIcon($id) {
3068                 switch ($id) {
3069                 case 0:
3070                         return "images/archive.png";
3071                         break;
3072                 case -1:
3073                         return "images/mark_set.png";
3074                         break;
3075                 case -2:
3076                         return "images/pub_set.png";
3077                         break;
3078                 case -3:
3079                         return "images/fresh.png";
3080                         break;
3081                 case -4:
3082                         return "images/tag.png";
3083                         break;
3084                 default:
3085                         if ($id < -10) {
3086                                 return "images/label.png";
3087                         } else {
3088                                 return ICONS_URL . "/$id.ico";
3089                         }
3090                         break;
3091                 }
3092         }
3093
3094         function getFeedTitle($link, $id) {
3095                 if ($id == -1) {
3096                         return __("Starred articles");
3097                 } else if ($id == -2) {
3098                         return __("Published articles");
3099                 } else if ($id == -3) {
3100                         return __("Fresh articles");
3101                 } else if ($id == -4) {
3102                         return __("All articles");
3103                 } else if ($id === 0 || $id === "0") {
3104                         return __("Archived articles");
3105                 } else if ($id < -10) {
3106                         $label_id = -$id - 11;
3107                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3108                         if (db_num_rows($result) == 1) {
3109                                 return db_fetch_result($result, 0, "caption");
3110                         } else {
3111                                 return "Unknown label ($label_id)";
3112                         }
3113
3114                 } else if ($id > 0) {
3115                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3116                         if (db_num_rows($result) == 1) {
3117                                 return db_fetch_result($result, 0, "title");
3118                         } else {
3119                                 return "Unknown feed ($id)";
3120                         }
3121                 } else {
3122                         return $id;
3123                 }
3124         }
3125
3126         function get_session_cookie_name() {
3127                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3128         }
3129
3130         function print_init_params($link) {
3131                 print "<init-params>";
3132                 if ($_SESSION["stored-params"]) {
3133                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
3134                                 if ($key) {
3135                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
3136                                         print "<param key=\"$key\" value=\"$value\"/>";
3137                                 }
3138                         }
3139                 }
3140
3141                 print "<param key=\"theme\" value=\"".get_user_theme($link)."\"/>";
3142                 print "<param key=\"theme_options\" value=\"".get_user_theme_options($link)."\"/>";
3143                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
3144                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
3145                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
3146
3147                 print "<param key=\"sign_progress\" value=\"".
3148                         theme_image($link, "images/indicator_white.gif")."\"/>";
3149
3150                 print "<param key=\"sign_progress_tiny\" value=\"".
3151                         theme_image($link, "images/indicator_tiny.gif")."\"/>";
3152
3153                 print "<param key=\"sign_excl\" value=\"".
3154                         theme_image($link, "images/sign_excl.png")."\"/>";
3155
3156                 print "<param key=\"sign_info\" value=\"".
3157                         theme_image($link, "images/sign_info.png")."\"/>";
3158
3159                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
3160                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
3161
3162                 print "<param key=\"hide_read_feeds\" value=\"" .
3163                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
3164
3165                 print "<param key=\"enable_feed_cats\" value=\"" .
3166                         (int) get_pref($link, "ENABLE_FEED_CATS") . "\"/>";
3167
3168                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
3169                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
3170
3171                 print "<param key=\"confirm_feed_catchup\" value=\"" .
3172                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
3173
3174                 print "<param key=\"cdm_auto_catchup\" value=\"" .
3175                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
3176
3177                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
3178
3179                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
3180
3181                 print "<param key=\"default_view_mode\" value=\"" .
3182                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
3183
3184                 print "<param key=\"default_view_limit\" value=\"" .
3185                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
3186
3187                 print "<param key=\"default_view_order_by\" value=\"" .
3188                         get_pref($link, "_DEFAULT_VIEW_ORDER_BY") . "\"/>";
3189
3190                 print "<param key=\"prefs_active_tab\" value=\"" .
3191                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
3192
3193                 print "<param key=\"infobox_disable_overlay\" value=\"" .
3194                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
3195
3196                 print "<param key=\"icons_location\" value=\"" .
3197                         ICONS_URL . "\"/>";
3198
3199                 print "<param key=\"hide_read_shows_special\" value=\"" .
3200                         (int) get_pref($link, "HIDE_READ_SHOWS_SPECIAL") . "\"/>";
3201
3202                 print "<param key=\"hide_feedlist\" value=\"" .
3203                         (int) get_pref($link, "HIDE_FEEDLIST") . "\"/>";
3204
3205                 print "<param key=\"bw_limit\" value=\"".
3206                         (int) $_SESSION["bw_limit"]."\"/>";
3207
3208 //              print "<param key=\"sync_counters\" value=\"" .
3209 //                      (int) get_pref($link, "SYNC_COUNTERS") . "\"/>";
3210
3211                 print "<param key=\"sync_counters\" value=\"1\"/>";
3212
3213                 print "<param key=\"offline_enabled\" value=\"".
3214                         (int) get_pref($link, "ENABLE_OFFLINE_READING") . "\"/>";
3215
3216                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3217                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3218
3219                 $num_feeds = db_fetch_result($result, 0, "cf");
3220
3221                 print "<param key=\"num_feeds\" value=\"".
3222                         (int)$num_feeds. "\"/>";
3223
3224                 print "<param key=\"collapsed_feedlist\" value=\"" .
3225                         (int) get_pref($link, "_COLLAPSED_FEEDLIST") . "\"/>";
3226
3227                 print "</init-params>";
3228         }
3229
3230         function print_runtime_info($link) {
3231                 print "<runtime-info>";
3232
3233                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3234                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3235
3236                 $num_feeds = db_fetch_result($result, 0, "cf");
3237
3238                 print "<param key=\"num_feeds\" value=\"".
3239                         (int)$num_feeds. "\"/>";
3240
3241                 if (ENABLE_UPDATE_DAEMON) {
3242                         print "<param key=\"daemon_is_running\" value=\"".
3243                                 (int) file_is_locked("update_daemon.lock") . "\"/>";
3244
3245                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3246
3247                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3248
3249 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3250
3251                                 if ($stamp) {
3252                                         $stamp_delta = time() - $stamp;
3253
3254                                         if ($stamp_delta > 1800) {
3255                                                 $stamp_check = 0;
3256                                         } else {
3257                                                 $stamp_check = 1;
3258                                                 $_SESSION["daemon_stamp_check"] = time();
3259                                         }
3260
3261                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3262
3263                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3264
3265                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3266                                 }
3267                         }
3268                 }
3269
3270                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3271
3272                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3273                                 $new_version_details = check_for_update($link);
3274
3275                                 print "<param key=\"new_version_available\" value=\"".
3276                                         sprintf("%d", $new_version_details != ""). "\"/>";
3277
3278                                 $_SESSION["last_version_check"] = time();
3279                         }
3280                 }
3281
3282 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3283
3284                 print "</runtime-info>";
3285         }
3286
3287         function getSearchSql($search, $match_on) {
3288
3289                 $search_query_part = "";
3290
3291                 $keywords = split(" ", $search);
3292                 $query_keywords = array();
3293
3294                 if ($match_on == "both") {
3295
3296                         foreach ($keywords as $k) {
3297                                 if (strpos($k, "-") === 0) {
3298                                         $k = substr($k, 1);
3299                                         $not = "NOT";
3300                                 } else {
3301                                         $not = "";
3302                                 }
3303
3304                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3305                                         OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3306                         }
3307
3308                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3309
3310                 } else if ($match_on == "title") {
3311
3312                         foreach ($keywords as $k) {
3313                                 if (strpos($k, "-") === 0) {
3314                                         $k = substr($k, 1);
3315                                         $not = "NOT";
3316                                 } else {
3317                                         $not = "";
3318                                 }
3319
3320                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
3321                         }
3322
3323                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3324
3325                 } else if ($match_on == "content") {
3326
3327                         foreach ($keywords as $k) {
3328                                 if (strpos($k, "-") === 0) {
3329                                         $k = substr($k, 1);
3330                                         $not = "NOT";
3331                                 } else {
3332                                         $not = "";
3333                                 }
3334
3335                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3336                         }
3337                 }
3338
3339                 $search_query_part = implode("AND", $query_keywords);
3340
3341                 return $search_query_part;
3342         }
3343
3344         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3345
3346                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3347
3348                         if ($search) {
3349
3350                                 $search_query_part = getSearchSql($search, $match_on);
3351                                 $search_query_part .= " AND ";
3352
3353                         } else {
3354                                 $search_query_part = "";
3355                         }
3356
3357                         $view_query_part = "";
3358
3359                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3360                                 if ($search) {
3361                                         $view_query_part = " ";
3362                                 } else if ($feed != -1) {
3363                                         $unread = getFeedUnread($link, $feed, $cat_view);
3364                                         if ($unread > 0) {
3365                                                 $view_query_part = " unread = true AND ";
3366                                         }
3367                                 }
3368                         }
3369
3370                         if ($view_mode == "marked") {
3371                                 $view_query_part = " marked = true AND ";
3372                         }
3373
3374                         if ($view_mode == "unread") {
3375                                 $view_query_part = " unread = true AND ";
3376                         }
3377
3378                         if ($view_mode == "updated") {
3379                                 $view_query_part = " (last_read is null and unread = false) AND ";
3380                         }
3381
3382                         if ($limit > 0) {
3383                                 $limit_query_part = "LIMIT " . $limit;
3384                         }
3385
3386                         $vfeed_query_part = "";
3387
3388                         // override query strategy and enable feed display when searching globally
3389                         if ($search && $search_mode == "all_feeds") {
3390                                 $query_strategy_part = "ttrss_entries.id > 0";
3391                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3392                         /* tags */
3393                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3394                                 $query_strategy_part = "ttrss_entries.id > 0";
3395                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3396                                         id = feed_id) as feed_title,";
3397                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3398
3399                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3400
3401                                 $tmp_result = false;
3402
3403                                 if ($cat_view) {
3404                                         $tmp_result = db_query($link, "SELECT id
3405                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3406                                 } else {
3407                                         $tmp_result = db_query($link, "SELECT id
3408                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3409                                                         WHERE id = '$feed') AND id != '$feed'");
3410                                 }
3411
3412                                 $cat_siblings = array();
3413
3414                                 if (db_num_rows($tmp_result) > 0) {
3415                                         while ($p = db_fetch_assoc($tmp_result)) {
3416                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3417                                         }
3418
3419                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3420                                                 $feed, implode(" OR ", $cat_siblings));
3421
3422                                 } else {
3423                                         $query_strategy_part = "ttrss_entries.id > 0";
3424                                 }
3425
3426                         } else if ($feed > 0) {
3427
3428                                 if ($cat_view) {
3429
3430                                         if ($feed > 0) {
3431                                                 $query_strategy_part = "cat_id = '$feed'";
3432                                         } else {
3433                                                 $query_strategy_part = "cat_id IS NULL";
3434                                         }
3435
3436                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3437
3438                                 } else {
3439                                         $tmp_result = db_query($link, "SELECT id
3440                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3441                                                 ORDER BY cat_id,title");
3442
3443                                         $parent_ids = array();
3444
3445                                         if (db_num_rows($tmp_result) > 0) {
3446                                                 while ($p = db_fetch_assoc($tmp_result)) {
3447                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3448                                                 }
3449
3450                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3451                                                         $feed, implode(" OR ", $parent_ids));
3452
3453                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3454                                         } else {
3455                                                 $query_strategy_part = "feed_id = '$feed'";
3456                                         }
3457                                 }
3458                         } else if ($feed == 0 && !$cat_view) { // archive virtual feed
3459                                 $query_strategy_part = "feed_id IS NULL";
3460                         } else if ($feed == 0 && $cat_view) { // uncategorized
3461                                 $query_strategy_part = "cat_id IS NULL";
3462                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3463                         } else if ($feed == -1) { // starred virtual feed
3464                                 $query_strategy_part = "marked = true";
3465                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3466                         } else if ($feed == -2) { // published virtual feed OR labels category
3467
3468                                 if (!$cat_view) {
3469                                         $query_strategy_part = "published = true";
3470                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3471                                 } else {
3472                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3473
3474                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3475
3476                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3477                                                 ttrss_user_labels2.article_id = ref_id";
3478
3479                                 }
3480
3481                         } else if ($feed == -3) { // fresh virtual feed
3482                                 $query_strategy_part = "unread = true";
3483
3484                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3485
3486                                 if (DB_TYPE == "pgsql") {
3487                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3488                                 } else {
3489                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3490                                 }
3491
3492                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3493                         } else if ($feed == -4) { // all articles virtual feed
3494                                 $query_strategy_part = "true";
3495                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3496                         } else if ($feed <= -10) { // labels
3497                                 $label_id = -$feed - 11;
3498
3499                                 $query_strategy_part = "label_id = '$label_id' AND
3500                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3501                                         ttrss_user_labels2.article_id = ref_id";
3502
3503                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3504                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3505
3506                         } else {
3507                                 $query_strategy_part = "id > 0"; // dumb
3508                         }
3509
3510                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3511                                 $order_by = "updated";
3512                         } else {
3513                                 $order_by = "updated DESC";
3514                         }
3515
3516                         if ($view_mode != "noscores") {
3517                                 $order_by = "score DESC, $order_by";
3518                         }
3519
3520                         if ($override_order) {
3521                                 $order_by = $override_order;
3522                         }
3523
3524                         $feed_title = "";
3525
3526                         if ($search) {
3527                                 $feed_title = "Search results";
3528                         } else {
3529                                 if ($cat_view) {
3530                                         $feed_title = getCategoryTitle($link, $feed);
3531                                 } else {
3532                                         if ((int)$feed == $feed && $feed > 0) {
3533                                                 $result = db_query($link, "SELECT title,site_url,last_error
3534                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3535
3536                                                 $feed_title = db_fetch_result($result, 0, "title");
3537                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3538                                                 $last_error = db_fetch_result($result, 0, "last_error");
3539                                         } else {
3540                                                 $feed_title = getFeedTitle($link, $feed);
3541                                         }
3542                                 }
3543                         }
3544
3545                         $content_query_part = "content as content_preview,";
3546
3547                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3548
3549                                 if ($feed >= 0) {
3550                                         $feed_kind = "Feeds";
3551                                 } else {
3552                                         $feed_kind = "Labels";
3553                                 }
3554
3555                                 if ($limit_query_part) {
3556                                         $offset_query_part = "OFFSET $offset";
3557                                 }
3558
3559                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3560                                         if (!$override_order) {
3561                                                 $order_by = "ttrss_feeds.title, $order_by";
3562                                         }
3563                                 }
3564
3565                                 if ($feed != "0") {
3566                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3567                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3568
3569                                 } else {
3570                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3571                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3572                                 }
3573
3574                                 $query = "SELECT DISTINCT
3575                                                 guid,
3576                                                 ttrss_entries.id,ttrss_entries.title,
3577                                                 updated,
3578                                                 note,
3579                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3580                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3581                                                 $vfeed_query_part
3582                                                 $content_query_part
3583                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3584                                                 author,score
3585                                         FROM
3586                                                 $from_qpart
3587                                         WHERE
3588                                         $group_limit_part
3589                                         $feed_check_qpart
3590                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3591                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3592                                         $search_query_part
3593                                         $view_query_part
3594                                         $query_strategy_part ORDER BY $order_by
3595                                         $limit_query_part $offset_query_part";
3596
3597                                 if ($_REQUEST["debug"]) print $query;
3598
3599                                 $result = db_query($link, $query);
3600
3601                         } else {
3602                                 // browsing by tag
3603
3604                                 $feed_kind = "Tags";
3605
3606                                 $result = db_query($link, "SELECT
3607                                         guid,
3608                                         note,
3609                                         ttrss_entries.id as id,title,
3610                                         updated,
3611                                         unread,feed_id,orig_feed_id,
3612                                         marked,link,last_read,
3613                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3614                                         $vfeed_query_part
3615                                         $content_query_part
3616                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3617                                         score
3618                                         FROM
3619                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3620                                         WHERE
3621                                                 ref_id = ttrss_entries.id AND
3622                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3623                                                 post_int_id = int_id AND tag_name = '$feed' AND
3624                                                 $view_query_part
3625                                                 $search_query_part
3626                                                 $query_strategy_part ORDER BY $order_by
3627                                         $limit_query_part");
3628                         }
3629
3630                         return array($result, $feed_title, $feed_site_url, $last_error);
3631
3632         }
3633
3634         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3635                 $limit, $search, $search_mode, $match_on) {
3636
3637                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3638                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3639                         "margin-bottom : 1em; color : #9a8c59;";
3640
3641                 if (!$limit) $limit = 30;
3642
3643                 $qfh_ret = queryFeedHeadlines($link, $feed,
3644                         $limit, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3645                         $owner_uid);
3646
3647                 $result = $qfh_ret[0];
3648                 $feed_title = htmlspecialchars($qfh_ret[1]);
3649                 $feed_site_url = $qfh_ret[2];
3650                 $last_error = $qfh_ret[3];
3651
3652 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3653
3654                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3655                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3656                         <rss version=\"2.0\">
3657                         <channel>
3658                         <title>$feed_title</title>
3659                         <link>$feed_site_url</link>
3660                         <description>Feed generated by Tiny Tiny RSS</description>";
3661
3662                 while ($line = db_fetch_assoc($result)) {
3663                         print "<item>";
3664                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3665                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3666
3667                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3668
3669                         foreach ($tags as $tag) {
3670                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3671                         }
3672
3673                         $rfc822_date = date('r', strtotime($line["updated"]));
3674
3675                         print "<pubDate>$rfc822_date</pubDate>";
3676
3677                         if ($line["author"]) {
3678                                 print "<author>" . htmlspecialchars($line["author"]) . "</author>";
3679                         }
3680
3681                         print "<title>" .
3682                                 htmlspecialchars($line["title"]) . "</title>";
3683
3684                         print "<description><![CDATA[";
3685
3686                         if ($line["note"]) {
3687                                 print "<div style='$note_style'>";
3688                                 print $line["note"];
3689                                 print "</div>";
3690                         }
3691
3692                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3693                         print "]]></description>";
3694
3695                         print "</item>";
3696                 }
3697
3698                 print "</channel></rss>";
3699
3700         }
3701
3702         function getCategoryTitle($link, $cat_id) {
3703
3704                 if ($cat_id == -1) {
3705                         return __("Special");
3706                 } else if ($cat_id == -2) {
3707                         return __("Labels");
3708                 } else {
3709
3710                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3711                                 id = '$cat_id'");
3712
3713                         if (db_num_rows($result) == 1) {
3714                                 return db_fetch_result($result, 0, "title");
3715                         } else {
3716                                 return "Uncategorized";
3717                         }
3718                 }
3719         }
3720
3721         function strip_tags_long($string, $allowed) {
3722
3723                 $config = HTMLPurifier_Config::createDefault();
3724
3725                 $config->set('HTML', 'Allowed', $allowed);
3726                 $purifier = new HTMLPurifier($config);
3727
3728                 return $purifier->purify($string);
3729
3730         }
3731
3732         // http://ru2.php.net/strip-tags
3733
3734 /*      function strip_tags_long($textstring, $allowed){
3735         while($textstring != strip_tags($textstring, $allowed))
3736     {
3737     while (strlen($textstring) != 0)
3738          {
3739          if (strlen($textstring) > 1024) {
3740               $otherlen = 1024;
3741          } else {
3742               $otherlen = strlen($textstring);
3743          }
3744          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3745          $safetext .= $temptext;
3746          $textstring = substr_replace($textstring,'',0,$otherlen);
3747          }
3748     $textstring = $safetext;
3749     }
3750         return $textstring;
3751 } */
3752
3753
3754         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false) {
3755                 $res = $str;
3756
3757                 if (!$owner) $owner = $_SESSION["uid"];
3758
3759                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3760
3761 //                      $res = strip_tags_long($res,
3762 //                              "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3763
3764                         $res = strip_tags_long($res,
3765                                 "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4");
3766
3767                 }
3768
3769                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3770                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3771                 }
3772
3773                 if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW', $owner)) {
3774                         $res = preg_replace("/href=/i", "target=\"_blank\" href=", $res);
3775                 }
3776
3777                 return $res;
3778         }
3779
3780         /**
3781          * Send by mail a digest of last articles.
3782          *
3783          * @param mixed $link The database connection.
3784          * @param integer $limit The maximum number of articles by digest.
3785          * @return boolean Return false if digests are not enabled.
3786          */
3787         function send_headlines_digests($link, $limit = 100) {
3788
3789                 if (!DIGEST_ENABLE) return false;
3790
3791                 $user_limit = DIGEST_EMAIL_LIMIT;
3792                 $days = 1;
3793
3794                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3795
3796                 if (DB_TYPE == "pgsql") {
3797                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3798                 } else if (DB_TYPE == "mysql") {
3799                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3800                 }
3801
3802                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3803                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3804
3805                 while ($line = db_fetch_assoc($result)) {
3806
3807                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3808                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3809
3810                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3811
3812                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3813                                 $digest = $tuple[0];
3814                                 $headlines_count = $tuple[1];
3815                                 $affected_ids = $tuple[2];
3816                                 $digest_text = $tuple[3];
3817
3818                                 if ($headlines_count > 0) {
3819
3820                                         $mail = new PHPMailer();
3821
3822                                         $mail->PluginDir = "lib/phpmailer/";
3823                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3824
3825                                         $mail->CharSet = "UTF-8";
3826
3827                                         $mail->From = DIGEST_FROM_ADDRESS;
3828                                         $mail->FromName = DIGEST_FROM_NAME;
3829                                         $mail->AddAddress($line["email"], $line["login"]);
3830
3831                                         if (DIGEST_SMTP_HOST) {
3832                                                 $mail->Host = DIGEST_SMTP_HOST;
3833                                                 $mail->Mailer = "smtp";
3834                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3835                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3836                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3837                                         }
3838
3839                                         $mail->IsHTML(true);
3840                                         $mail->Subject = DIGEST_SUBJECT;
3841                                         $mail->Body = $digest;
3842                                         $mail->AltBody = $digest_text;
3843
3844                                         $rc = $mail->Send();
3845
3846                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3847
3848                                         print "RC=$rc\n";
3849
3850                                         if ($rc && $do_catchup) {
3851                                                 print "Marking affected articles as read...\n";
3852                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3853                                         }
3854
3855                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3856                                                         WHERE id = " . $line["id"]);
3857                                 } else {
3858                                         print "No headlines\n";
3859                                 }
3860                         }
3861                 }
3862
3863                 print "All done.\n";
3864
3865         }
3866
3867         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3868
3869                 require_once "lib/MiniTemplator.class.php";
3870
3871                 $tpl = new MiniTemplator;
3872                 $tpl_t = new MiniTemplator;
3873
3874                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3875                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3876
3877                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3878                 $tpl->setVariable('CUR_TIME', date('G:i'));
3879
3880                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3881                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3882
3883                 $affected_ids = array();
3884
3885                 if (DB_TYPE == "pgsql") {
3886                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3887                 } else if (DB_TYPE == "mysql") {
3888                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3889                 }
3890
3891                 $result = db_query($link, "SELECT ttrss_entries.title,
3892                                 ttrss_feeds.title AS feed_title,
3893                                 date_entered,
3894                                 ttrss_user_entries.ref_id,
3895                                 link,
3896                                 SUBSTRING(content, 1, 120) AS excerpt,
3897                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3898                         FROM
3899                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3900                         WHERE
3901                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3902                                 AND include_in_digest = true
3903                                 AND $interval_query
3904                                 AND ttrss_user_entries.owner_uid = $user_id
3905                                 AND unread = true
3906                         ORDER BY ttrss_feeds.title, date_entered DESC
3907                         LIMIT $limit");
3908
3909                 $cur_feed_title = "";
3910
3911                 $headlines_count = db_num_rows($result);
3912
3913                 $headlines = array();
3914
3915                 while ($line = db_fetch_assoc($result)) {
3916                         array_push($headlines, $line);
3917                 }
3918
3919                 for ($i = 0; $i < sizeof($headlines); $i++) {
3920
3921                         $line = $headlines[$i];
3922
3923                         array_push($affected_ids, $line["ref_id"]);
3924
3925                         $updated = smart_date_time(strtotime($line["last_updated"]));
3926
3927                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3928                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3929                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3930                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3931                         $tpl->setVariable('ARTICLE_EXCERPT',
3932                                 truncate_string(strip_tags($line["excerpt"]), 100));
3933
3934                         $tpl->addBlock('article');
3935
3936                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3937                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3938                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3939                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3940 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3941 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3942
3943                         $tpl_t->addBlock('article');
3944
3945                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3946                                 $tpl->addBlock('feed');
3947                                 $tpl_t->addBlock('feed');
3948                         }
3949
3950                 }
3951
3952                 $tpl->addBlock('digest');
3953                 $tpl->generateOutputToString($tmp);
3954
3955                 $tpl_t->addBlock('digest');
3956                 $tpl_t->generateOutputToString($tmp_t);
3957
3958                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3959         }
3960
3961         function check_for_update($link) {
3962                 $releases_feed = "http://tt-rss.org/releases.rss";
3963
3964                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3965                         return;
3966                 }
3967
3968                 error_reporting(0);
3969                 if (DEFAULT_UPDATE_INTERVAL == "1") {
3970                         $rss = new SimplePie();
3971                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3972 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3973                         $rss->set_feed_url($fetch_url);
3974                         $rss->set_output_encoding('UTF-8');
3975                         $rss->init();
3976                 } else {
3977                         $rss = fetch_rss($releases_feed);
3978                 }
3979                 error_reporting (DEFAULT_ERROR_LEVEL);
3980
3981                 if ($rss) {
3982
3983                         if (DEFAULT_UPDATE_METHOD == "1") {
3984                                 $items = $rss->get_items();
3985                         } else {
3986                                 $items = $rss->items;
3987
3988                                 if (!$items || !is_array($items)) $items = $rss->entries;
3989                                 if (!$items || !is_array($items)) $items = $rss;
3990                         }
3991
3992                         if (!is_array($items) || count($items) == 0) {
3993                                 return;
3994                         }
3995
3996                         $latest_item = $items[0];
3997
3998                         if (DEFAULT_UPDATE_METHOD == "1") {
3999                                 $last_title = $latest_item->get_title();
4000                         } else {
4001                                 $last_title = $latest_item["title"];
4002                         }
4003
4004                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
4005
4006                         if (DEFAULT_UPDATE_METHOD == "1") {
4007                                 $release_url = sanitize_rss($link, $latest_item->get_link());
4008                                 $content = sanitize_rss($link, $latest_item->get_description());
4009                         } else {
4010                                 $release_url = sanitize_rss($link, $latest_item["link"]);
4011                                 $content = sanitize_rss($link, $latest_item["description"]);
4012                         }
4013
4014                         if (version_compare(VERSION, $latest_version) == -1) {
4015                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
4016                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
4017                         } else {
4018                                 return false;
4019                         }
4020                 }
4021         }
4022
4023         function markArticlesById($link, $ids, $cmode) {
4024
4025                 $tmp_ids = array();
4026
4027                 foreach ($ids as $id) {
4028                         array_push($tmp_ids, "ref_id = '$id'");
4029                 }
4030
4031                 $ids_qpart = join(" OR ", $tmp_ids);
4032
4033                 if ($cmode == 0) {
4034                         db_query($link, "UPDATE ttrss_user_entries SET
4035                         marked = false,last_read = NOW()
4036                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4037                 } else if ($cmode == 1) {
4038                         db_query($link, "UPDATE ttrss_user_entries SET
4039                         marked = true
4040                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4041                 } else {
4042                         db_query($link, "UPDATE ttrss_user_entries SET
4043                         marked = NOT marked,last_read = NOW()
4044                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4045                 }
4046         }
4047
4048         function publishArticlesById($link, $ids, $cmode) {
4049
4050                 $tmp_ids = array();
4051
4052                 foreach ($ids as $id) {
4053                         array_push($tmp_ids, "ref_id = '$id'");
4054                 }
4055
4056                 $ids_qpart = join(" OR ", $tmp_ids);
4057
4058                 if ($cmode == 0) {
4059                         db_query($link, "UPDATE ttrss_user_entries SET
4060                         published = false,last_read = NOW()
4061                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4062                 } else if ($cmode == 1) {
4063                         db_query($link, "UPDATE ttrss_user_entries SET
4064                         published = true
4065                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4066                 } else {
4067                         db_query($link, "UPDATE ttrss_user_entries SET
4068                         published = NOT published,last_read = NOW()
4069                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4070                 }
4071         }
4072
4073         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
4074
4075                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4076                 if (count($ids) == 0) return;
4077
4078                 $tmp_ids = array();
4079
4080                 foreach ($ids as $id) {
4081                         array_push($tmp_ids, "ref_id = '$id'");
4082                 }
4083
4084                 $ids_qpart = join(" OR ", $tmp_ids);
4085
4086                 if ($cmode == 0) {
4087                         db_query($link, "UPDATE ttrss_user_entries SET
4088                         unread = false,last_read = NOW()
4089                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4090                 } else if ($cmode == 1) {
4091                         db_query($link, "UPDATE ttrss_user_entries SET
4092                         unread = true
4093                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4094                 } else {
4095                         db_query($link, "UPDATE ttrss_user_entries SET
4096                         unread = NOT unread,last_read = NOW()
4097                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4098                 }
4099
4100                 /* update ccache */
4101
4102                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4103                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4104
4105                 while ($line = db_fetch_assoc($result)) {
4106                         ccache_update($link, $line["feed_id"], $owner_uid);
4107                 }
4108         }
4109
4110         function catchupArticleById($link, $id, $cmode) {
4111
4112                 if ($cmode == 0) {
4113                         db_query($link, "UPDATE ttrss_user_entries SET
4114                         unread = false,last_read = NOW()
4115                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4116                 } else if ($cmode == 1) {
4117                         db_query($link, "UPDATE ttrss_user_entries SET
4118                         unread = true
4119                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4120                 } else {
4121                         db_query($link, "UPDATE ttrss_user_entries SET
4122                         unread = NOT unread,last_read = NOW()
4123                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4124                 }
4125
4126                 $feed_id = getArticleFeed($link, $id);
4127                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4128         }
4129
4130         function make_guid_from_title($title) {
4131                 return preg_replace("/[ \"\',.:;]/", "-",
4132                         mb_strtolower(strip_tags($title), 'utf-8'));
4133         }
4134
4135         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4136                         $feed_id, $is_cat, $search, $match_on,
4137                         $search_mode) {
4138
4139                         print "<div class=\"headlinesSubToolbar\">";
4140
4141                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
4142                         $page_next_link = "javascript:viewFeedGoPage(1)";
4143                         $page_first_link = "javascript:viewFeedGoPage(0)";
4144
4145                         $catchup_page_link = "javascript:catchupPage()";
4146                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
4147                         $catchup_sel_link = "javascript:catchupSelection()";
4148
4149                         $archive_sel_link = "javascript:archiveSelection()";
4150                         $delete_sel_link = "javascript:deleteSelection()";
4151
4152                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4153
4154                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
4155                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
4156                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
4157                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4158
4159                                 $tog_unread_link = "javascript:selectionToggleUnread()";
4160                                 $tog_marked_link = "javascript:selectionToggleMarked()";
4161                                 $tog_published_link = "javascript:selectionTogglePublished()";
4162
4163                         } else {
4164
4165                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
4166                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
4167                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
4168
4169                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4170
4171                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
4172                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
4173                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
4174
4175                         }
4176
4177                         print "<div id=\"subtoolbar_ftitle\">";
4178
4179                         if ($feed_site_url) {
4180                                 if (!$bottom) {
4181                                         $target = "target=\"_blank\"";
4182                                 }
4183                                 print "<a $target href=\"$feed_site_url\">".
4184                                         truncate_string($feed_title,30)."</a>";
4185                         } else {
4186                                 if ($feed_id < -10) {
4187                                         $label_id = -11-$feed_id;
4188
4189                                         $result = db_query($link, "SELECT fg_color, bg_color
4190                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4191                                                 $_SESSION["uid"]);
4192
4193                                         if (db_num_rows($result) != 0) {
4194                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4195                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4196
4197                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4198                                                 print $feed_title;
4199                                                 print "</span>";
4200                                         } else {
4201                                                 print $feed_title;
4202                                         }
4203
4204                                 } else {
4205                                         print $feed_title;
4206                                 }
4207                         }
4208
4209                         if ($search) {
4210                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4211                         }
4212
4213                         print "
4214                                 <a target=\"_blank\"
4215                                         href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
4216                                         <img class=\"noborder\"
4217                                                 alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
4218                                                 </a>";
4219
4220                         print "</div>";
4221
4222                         print __('Select:')."
4223                                 <a href=\"$sel_all_link\">".__('All')."</a>,
4224                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
4225                                 <a href=\"$sel_inv_link\">".__('Invert')."</a>,
4226                                 <a href=\"$sel_none_link\">".__('None')."</a></li>";
4227
4228                         print "&nbsp;&nbsp;";
4229
4230                         print "<span
4231                                 onmouseover=\"enable_selection(false)\"
4232             onmouseout=\"enable_selection(true)\"
4233                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
4234                                 __("Actions...") . "&nbsp;&nbsp;<img width='11' height'7'
4235                                 src=\"images/down_arrow.png\">
4236                                 </span>";
4237
4238                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
4239
4240                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4241                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4242                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4243                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4244                                 <li class=\"insensitive\">".__('Selection:')."</li>
4245                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Mark as read')."</li>";
4246
4247 //                      print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4248 //                              "</li>";
4249
4250                         if ($feed_id != "0") {
4251                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Archive')."</li>";
4252                         } else {
4253                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Move back')."</li>";
4254                                 print "<li onclick=\"$delete_sel_link\">&nbsp;&nbsp;".__('Delete')."</li>";
4255
4256                         }
4257
4258                         //print "<li><span class=\"insensitive\">--------</span></li>";
4259                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4260
4261                         print_labels_headlines_dropdown($link, $feed_id);
4262
4263                         print "</ul>";
4264
4265                         print "</div>";
4266                 }
4267
4268         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4269
4270                         $tmp_category = getCategoryTitle($link, $cat_id);
4271
4272                         if ($cat_id > 0) {
4273                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4274                         } else if ($cat_id == 0 || $cat_id == -2) {
4275                                 $cat_unread = getCategoryUnread($link, $cat_id);
4276                         }
4277
4278                         if ($hidden) {
4279                                 $holder_style = "display:none;";
4280                                 $ellipsis = "…";
4281                         } else {
4282                                 $holder_style = "";
4283                                 $ellipsis = "";
4284                         }
4285
4286                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4287
4288                         if ($can_browse) {
4289                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4290                                 $inner_title_class = "catTitle";
4291                         } else {
4292                                 $browse_cat_link = "";
4293                                 $inner_title_class = "catTitleNL";
4294                         }
4295
4296                         $cat_class = "feedCat";
4297
4298                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4299                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4300                                         title=\"".__('Click to collapse category')."\"
4301                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\"
4302                                         id=\"FCATN-$cat_id\" $browse_cat_link/>$tmp_category</span>";
4303
4304                         print "<span id=\"FCAP-$cat_id\">";
4305
4306                         print " <span id=\"FCATCTR-$cat_id\"
4307                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4308
4309                         print "</span>";
4310
4311                         //print "</li>";
4312
4313                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4314
4315         }
4316
4317         function outputFeedList($link, $tags = false) {
4318
4319                 print "<ul class=\"feedList\" id=\"feedList\">";
4320
4321                 $owner_uid = $_SESSION["uid"];
4322
4323                 /* virtual feeds */
4324
4325                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4326
4327                         $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4328
4329                         printCategoryHeader($link, -1, $cat_hidden, false);
4330                 }
4331
4332                 foreach (array(-4, -3, -1, -2, 0) as $i) {
4333                         printFeedEntry($i, "virt", false, false,
4334                                 false, $link);
4335                 }
4336
4337                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4338                         print "</ul></li>";
4339                 }
4340
4341                 if (!$tags) {
4342
4343
4344                                 $result = db_query($link, "SELECT * FROM
4345                                         ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4346
4347                                 if (db_num_rows($result) > 0) {
4348                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4349
4350                                                 $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4351
4352                                                 printCategoryHeader($link, -2, $cat_hidden, true);
4353
4354                                         } else {
4355                                                 print "<li><hr></li>";
4356                                         }
4357                                 }
4358
4359                                 while ($line = db_fetch_assoc($result)) {
4360
4361                                         $label_id = -$line['id'] - 11;
4362                                         $count = getFeedUnread($link, $label_id);
4363
4364                                         printFeedEntry($label_id,
4365                                                 "label", $line["caption"],
4366                                                 $count, false, $link,
4367                                                 false, false, false,
4368                                                 $line['fg_color'], $line['bg_color']);
4369
4370                                 }
4371
4372                                 if (db_num_rows($result) > 0) {
4373                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4374                                                 print "</ul>";
4375                                         }
4376                                 }
4377
4378
4379                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4380                                 print "<li><hr></li>";
4381                         }
4382
4383                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4384                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4385                                         $order_by_qpart = "order_id,category,unread DESC,title";
4386                                 } else {
4387                                         $order_by_qpart = "order_id,category,title";
4388                                 }
4389                         } else {
4390                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4391                                         $order_by_qpart = "unread DESC,title";
4392                                 } else {
4393                                         $order_by_qpart = "title";
4394                                 }
4395                         }
4396
4397                         $age_qpart = getMaxAgeSubquery();
4398
4399                         $query = "SELECT ttrss_feeds.*,
4400                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4401                                 cat_id,last_error,
4402                                 ttrss_feed_categories.title AS category,
4403                                 ttrss_feed_categories.collapsed,
4404                                 value AS unread
4405                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4406                                         ON (ttrss_feed_categories.id = cat_id)
4407                                 LEFT JOIN ttrss_counters_cache
4408                                         ON
4409                                                 (ttrss_feeds.id = feed_id)
4410                                 WHERE
4411                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4412                                 ORDER BY $order_by_qpart";
4413
4414                         $result = db_query($link, $query);
4415
4416                         $actid = $_REQUEST["actid"];
4417
4418                         /* real feeds */
4419
4420                         $lnum = 0;
4421
4422                         $total_unread = 0;
4423
4424                         $category = "";
4425
4426                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4427
4428                         while ($line = db_fetch_assoc($result)) {
4429
4430                                 $feed = htmlspecialchars(trim($line["title"]));
4431
4432                                 if (!$feed) $feed = "[Untitled]";
4433
4434                                 $feed_id = $line["id"];
4435                                 $unread = $line["unread"];
4436
4437                                 $subop = $_REQUEST["subop"];
4438
4439                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4440                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4441                                 } else {
4442                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4443                                 }
4444
4445                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4446
4447                                 if ($rtl_content) {
4448                                         $rtl_tag = "dir=\"RTL\"";
4449                                 } else {
4450                                         $rtl_tag = "";
4451                                 }
4452
4453                                 $tmp_result = db_query($link,
4454                                         "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
4455                                                 WHERE parent_feed = '$feed_id' AND feed_id = id");
4456
4457                                 $unread += db_fetch_result($tmp_result, 0, "unread");
4458
4459                                 $cat_id = $line["cat_id"];
4460
4461                                 $tmp_category = $line["category"];
4462
4463                                 if (!$tmp_category) {
4464                                         $tmp_category = __("Uncategorized");
4465                                 }
4466
4467         //                      $class = ($lnum % 2) ? "even" : "odd";
4468
4469                                 if ($line["last_error"]) {
4470                                         $class = "error";
4471                                 } else {
4472                                         $class = "feed";
4473                                 }
4474
4475                                 if ($actid == $feed_id) {
4476                                         $class .= "Selected";
4477                                 }
4478
4479                                 $total_unread += $unread;
4480
4481                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4482
4483                                         if ($category) {
4484                                                 print "</ul></li>";
4485                                         }
4486
4487                                         $category = $tmp_category;
4488
4489                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4490
4491                                         // workaround for NULL category
4492                                         if ($category == __("Uncategorized")) {
4493                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4494                                         }
4495
4496                                         $cat_id = (int) $cat_id;
4497
4498                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4499
4500                                 }
4501
4502                                 printFeedEntry($feed_id, $class, $feed, $unread,
4503                                         false, $link, $rtl_content,
4504                                         $last_updated, $line["last_error"]);
4505
4506                                 ++$lnum;
4507                         }
4508
4509                         if (db_num_rows($result) == 0) {
4510                                 print "<li>".__('No feeds to display.')."</li>";
4511                         }
4512
4513                 } else {
4514
4515                         // tags
4516
4517 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4518                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4519                                 post_int_id = ttrss_user_entries.int_id AND
4520                                 unread = true AND ref_id = ttrss_entries.id
4521                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4522                         UNION
4523                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4524                         ORDER BY tag_name"); */
4525
4526                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4527                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4528                                 print "<ul class=\"feedCatList\">";
4529                         }
4530
4531                         $age_qpart = getMaxAgeSubquery();
4532
4533                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4534                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4535                                         AND ref_id = id AND $age_qpart
4536                                         AND unread = true)) AS count FROM ttrss_tags
4537                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4538                                         ORDER BY count DESC LIMIT 50");
4539
4540                         $tags = array();
4541
4542                         while ($line = db_fetch_assoc($result)) {
4543                                 $tags[$line["tag_name"]] += $line["count"];
4544                         }
4545
4546                         foreach (array_keys($tags) as $tag) {
4547
4548                                 $unread = $tags[$tag];
4549                                 $class = "tag";
4550
4551                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4552
4553                         }
4554
4555                         if (db_num_rows($result) == 0) {
4556                                 print "<li>No tags to display.</li>";
4557                         }
4558
4559                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4560                                 print "</ul>";
4561                         }
4562
4563                 }
4564
4565                 print "</ul>";
4566
4567         }
4568
4569         function get_article_tags($link, $id, $owner_uid = 0) {
4570
4571                 global $memcache;
4572
4573                 $a_id = db_escape_string($id);
4574
4575                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4576
4577                 $query = "SELECT DISTINCT tag_name,
4578                         owner_uid as owner FROM
4579                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4580                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4581
4582                 $obj_id = md5("TAGS:$owner_uid:$id");
4583                 $tags = array();
4584
4585                 if ($memcache && $obj = $memcache->get($obj_id)) {
4586                         $tags = $obj;
4587                 } else {
4588                         $tmp_result = db_query($link, $query);
4589
4590                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
4591                                 array_push($tags, $tmp_line["tag_name"]);
4592                         }
4593
4594                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4595                 }
4596
4597                 return $tags;
4598         }
4599
4600         function trim_value(&$value) {
4601                 $value = trim($value);
4602         }
4603
4604         function trim_array($array) {
4605                 $tmp = $array;
4606                 array_walk($tmp, 'trim_value');
4607                 return $tmp;
4608         }
4609
4610         function tag_is_valid($tag) {
4611                 if ($tag == '') return false;
4612                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4613                 if (mb_strlen($tag) > 250) return false;
4614
4615                 if (function_exists('iconv')) {
4616                         $tag = iconv("utf-8", "utf-8", $tag);
4617                 }
4618
4619                 if (!$tag) return false;
4620
4621                 return true;
4622         }
4623
4624         function render_login_form($link, $mobile = 0) {
4625                 switch ($mobile) {
4626                 case 0:
4627                         require_once "login_form.php";
4628                         break;
4629                 case 1:
4630                         require_once "mobile/login_form.php";
4631                         break;
4632                 case 2:
4633                         require_once "mobile/classic/login_form.php";
4634                 }
4635         }
4636
4637         // from http://developer.apple.com/internet/safari/faq.html
4638         function no_cache_incantation() {
4639                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4640                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4641                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4642                 header("Cache-Control: post-check=0, pre-check=0", false);
4643                 header("Pragma: no-cache"); // HTTP/1.0
4644         }
4645
4646         function format_warning($msg, $id = "") {
4647                 global $link;
4648                 return "<div class=\"warning\" id=\"$id\">
4649                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4650         }
4651
4652         function format_notice($msg) {
4653                 global $link;
4654                 return "<div class=\"notice\" id=\"$id\">
4655                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4656         }
4657
4658         function format_error($msg) {
4659                 global $link;
4660                 return "<div class=\"error\" id=\"$id\">
4661                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4662         }
4663
4664         function print_notice($msg) {
4665                 return print format_notice($msg);
4666         }
4667
4668         function print_warning($msg) {
4669                 return print format_warning($msg);
4670         }
4671
4672         function print_error($msg) {
4673                 return print format_error($msg);
4674         }
4675
4676
4677         function T_sprintf() {
4678                 $args = func_get_args();
4679                 return vsprintf(__(array_shift($args)), $args);
4680         }
4681
4682         function format_inline_player($link, $url, $ctype) {
4683
4684                 $entry = "";
4685
4686                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4687
4688                         $entry .= "<object type=\"application/x-shockwave-flash\"
4689                                 data=\"extras/button/musicplayer.swf?song_url=$url\"
4690                                 width=\"17\" height=\"17\">
4691                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";
4692                 }
4693
4694                 /*
4695
4696                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4697                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4698                         if (($ctype == __("audio/mpeg")) &&
4699                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4700                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4701                         }
4702                         $entry .= "</audio> ";
4703                         if (($ctype == __("audio/mpeg")) &&
4704                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4705                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";
4706                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>";
4707                         }
4708                 } elseif (substr($ctype,0,6)=="video/") {
4709                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4710                         $entry .= "</video>";
4711                 } */
4712
4713
4714
4715                 return $entry;
4716         }
4717
4718         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4719                 $zoom_mode = false) {
4720
4721                 /* we can figure out feed_id from article id anyway, why do we
4722                  * pass feed_id here? let's ignore the argument :( */
4723
4724                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4725                         WHERE ref_id = '$id'");
4726
4727                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4728
4729                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4730
4731                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4732                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4733
4734                 if (db_num_rows($result) == 1) {
4735                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4736                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4737                 } else {
4738                         $rtl_content = false;
4739                         $always_display_enclosures = false;
4740                 }
4741
4742                 if ($rtl_content) {
4743                         $rtl_tag = "dir=\"RTL\"";
4744                         $rtl_class = "RTL";
4745                 } else {
4746                         $rtl_tag = "";
4747                         $rtl_class = "";
4748                 }
4749
4750                 if ($mark_as_read) {
4751                         $result = db_query($link, "UPDATE ttrss_user_entries
4752                                 SET unread = false,last_read = NOW()
4753                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4754
4755                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4756                 }
4757
4758                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4759                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4760                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4761                         num_comments,
4762                         author,
4763                         orig_feed_id,
4764                         note
4765                         FROM ttrss_entries,ttrss_user_entries
4766                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4767
4768                 if ($result) {
4769
4770                         $line = db_fetch_assoc($result);
4771
4772                         if ($line["icon_url"]) {
4773                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4774                         } else {
4775                                 $feed_icon = "&nbsp;";
4776                         }
4777
4778                         $num_comments = $line["num_comments"];
4779                         $entry_comments = "";
4780
4781                         if ($num_comments > 0) {
4782                                 if ($line["comments"]) {
4783                                         $comments_url = $line["comments"];
4784                                 } else {
4785                                         $comments_url = $line["link"];
4786                                 }
4787                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4788                         } else {
4789                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4790                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4791                                 }
4792                         }
4793
4794                         if ($zoom_mode) {
4795                                 header("Content-Type: text/html");
4796                                 print "<html><head>
4797                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4798                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4799                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4800                                         </head><body>";
4801                         }
4802
4803
4804                         print "<div class=\"postReply\">";
4805
4806                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\"
4807                                 onmouseout=\"enable_resize(false)\">";
4808
4809                         $entry_author = $line["author"];
4810
4811                         if ($entry_author) {
4812                                 $entry_author = __(" - ") . $entry_author;
4813                         }
4814
4815                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4816                                 strtotime($line["updated"]));
4817
4818                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4819
4820                         if ($line["link"]) {
4821                                 print "<div clear='both'><a target='_blank' href=\"" . $line["link"] . "\">" .
4822                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4823                         } else {
4824                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4825                         }
4826
4827                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4828
4829                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4830
4831                         print "<div style='float : right'>
4832                                 <img src='".theme_image($link, 'images/tag.png')."'
4833                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4834
4835                         if (!$zoom_mode) {
4836                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4837                                         <a title=\"".__('Edit tags for this article')."\"
4838                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
4839
4840                                 print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
4841                                                 class='tagsPic' style=\"cursor : pointer\" style=\"cursor : pointer\"
4842                                                 onclick=\"zoomToArticle($id)\"
4843                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4844
4845                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4846
4847                                 print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
4848                                                 class='tagsPic' style=\"cursor : pointer\" style=\"cursor : pointer\"
4849                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4850                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4851
4852                         } else {
4853                                 $tags_str = strip_tags($tags_str);
4854                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4855                         }
4856                         print "</div>";
4857                         print "<div clear='both'>$entry_comments</div>";
4858
4859                         if ($line["orig_feed_id"]) {
4860
4861                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4862                                         WHERE id = ".$line["orig_feed_id"]);
4863
4864                                 if (db_num_rows($tmp_result) != 0) {
4865
4866                                         print "<div clear='both'>";
4867                                         print __("Originally from:");
4868
4869                                         print "&nbsp;";
4870
4871                                         $tmp_line = db_fetch_assoc($tmp_result);
4872
4873                                         print "<a target='_blank'
4874                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4875                                                 $tmp_line['title'] . "</a>";
4876
4877                                         print "&nbsp;";
4878
4879                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4880                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4881
4882                                         print "</div>";
4883                                 }
4884                         }
4885
4886                         print "</div>";
4887
4888                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4889
4890                         print "<div class=\"postContent\">";
4891
4892                         $article_content = sanitize_rss($link, $line["content"]);
4893
4894                         print "<div id=\"POSTNOTE-$id\">";
4895                                 if ($line['note']) {
4896                                         print format_article_note($id, $line['note']);
4897                                 }
4898                         print "</div>";
4899
4900                         print $article_content;
4901
4902 //                      $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4903 //                              post_id = '$id' AND content_url != ''");
4904
4905                         $result = get_article_enclosures($link, $id);
4906
4907 //                      if (db_num_rows($result) > 0) {
4908
4909                         if (count($result) > 0) {
4910
4911                                 $entries_html = array();
4912                                 $entries = array();
4913
4914                                 //while ($line = db_fetch_assoc($result)) {
4915                                 foreach ($result as $line) {
4916
4917                                         $url = $line["content_url"];
4918                                         $ctype = $line["content_type"];
4919
4920                                         if (!$ctype) $ctype = __("unknown type");
4921
4922                                         $filename = substr($url, strrpos($url, "/")+1);
4923
4924                                         $entry = format_inline_player($link, $url, $ctype);
4925
4926                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4927                                                 $filename . " (" . $ctype . ")" . "</a>";
4928
4929                                         array_push($entries_html, $entry);
4930
4931                                         $entry = array();
4932
4933                                         $entry["type"] = $ctype;
4934                                         $entry["filename"] = $filename;
4935                                         $entry["url"] = $url;
4936
4937                                         array_push($entries, $entry);
4938                                 }
4939
4940                                 print "<div class=\"postEnclosures\">";
4941
4942                                 if (!get_pref($link, "STRIP_IMAGES")) {
4943                                         if ($always_display_enclosures ||
4944                                                                 !preg_match("/<img/i", $article_content)) {
4945
4946                                                 foreach ($entries as $entry) {
4947
4948                                                         if (preg_match("/image/", $entry["type"]) ||
4949                                                                         preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
4950
4951                                                                         print "<p><img
4952                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
4953                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
4954                                                         }
4955                                                 }
4956                                         }
4957                                 }
4958
4959                                 if (db_num_rows($result) == 1) {
4960                                         print __("Attachment:") . " ";
4961                                 } else {
4962                                         print __("Attachments:") . " ";
4963                                 }
4964
4965                                 print join(", ", $entries_html);
4966
4967                                 print "</div>";
4968                         }
4969
4970                         print "</div>";
4971
4972                         print "</div>";
4973
4974                 }
4975
4976                 if (!$zoom_mode) {
4977                         print "]]></article>";
4978                 } else {
4979                         print "
4980                                 <div style=\"text-align : center\">
4981                                 <button onclick=\"return window.close()\">".
4982                                         __("Close this window")."</button></div>";
4983                         print "</body></html>";
4984
4985                 }
4986
4987         }
4988
4989         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4990                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4991                                         $override_order = false) {
4992
4993                 $disable_cache = false;
4994
4995                 $timing_info = getmicrotime();
4996
4997                 $topmost_article_ids = array();
4998
4999                 if (!$offset) {
5000                         $offset = 0;
5001                 }
5002
5003                 if ($subop == "undefined") $subop = "";
5004
5005                 $subop_split = split(":", $subop);
5006
5007                 if ($subop == "CatchupSelected") {
5008                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
5009                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
5010
5011                         catchupArticlesById($link, $ids, $cmode);
5012                 }
5013
5014                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
5015                         update_generic_feed($link, $feed, $cat_view, true);
5016                 }
5017
5018                 if ($subop == "MarkAllRead")  {
5019                         catchup_feed($link, $feed, $cat_view);
5020
5021                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
5022                                 if ($next_unread_feed) {
5023                                         $feed = $next_unread_feed;
5024                                 }
5025                         }
5026                 }
5027
5028                 if ($subop_split[0] == "MarkAllReadGR")  {
5029                         catchup_feed($link, $subop_split[1], false);
5030                 }
5031
5032
5033                 if ($feed_id > 0) {
5034                         $result = db_query($link,
5035                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
5036
5037                         if (db_num_rows($result) == 0) {
5038                                 print "<div align='center'>".__('Feed not found.')."</div>";
5039                                 return;
5040                         }
5041                 }
5042
5043                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
5044
5045                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
5046                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
5047
5048                         if (db_num_rows($result) == 1) {
5049                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
5050                         } else {
5051                                 $rtl_content = false;
5052                         }
5053
5054                         if ($rtl_content) {
5055                                 $rtl_tag = "dir=\"RTL\"";
5056                         } else {
5057                                 $rtl_tag = "";
5058                         }
5059                 } else {
5060                         $rtl_tag = "";
5061                         $rtl_content = false;
5062                 }
5063
5064                 $script_dt_add = get_script_dt_add();
5065
5066                 /// START /////////////////////////////////////////////////////////////////////////////////
5067
5068                 $search = db_escape_string($_REQUEST["query"]);
5069
5070                 if ($search) {
5071                         $disable_cache = true;
5072                 }
5073
5074                 $search_mode = db_escape_string($_REQUEST["search_mode"]);
5075                 $match_on = db_escape_string($_REQUEST["match_on"]);
5076
5077                 if (!$match_on) {
5078                         $match_on = "both";
5079                 }
5080
5081                 $real_offset = $offset * $limit;
5082
5083                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
5084
5085                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
5086                         $search, $search_mode, $match_on, $override_order, $real_offset);
5087
5088                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
5089
5090                 $result = $qfh_ret[0];
5091                 $feed_title = $qfh_ret[1];
5092                 $feed_site_url = $qfh_ret[2];
5093                 $last_error = $qfh_ret[3];
5094
5095                 $vgroup_last_feed = $vgr_last_feed;
5096
5097                 if ($feed == -2) {
5098                         $feed_site_url = article_publish_url($link);
5099                 }
5100
5101                 /// STOP //////////////////////////////////////////////////////////////////////////////////
5102
5103                 if (!$offset) {
5104                         print "<div id=\"headlinesContainer\" $rtl_tag>";
5105
5106                         if (!$result) {
5107                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
5108                                 return;
5109                         }
5110
5111                         print_headline_subtoolbar($link, $feed_site_url, $feed_title,
5112                                 $feed, $cat_view, $search, $match_on, $search_mode);
5113
5114                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
5115                 }
5116
5117                 $headlines_count = db_num_rows($result);
5118
5119                 if (db_num_rows($result) > 0) {
5120
5121 #                       print "\{$offset}";
5122
5123                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5124                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
5125                                         cellspacing=\"0\">";
5126                         }
5127
5128                         $lnum = $limit*$offset;
5129
5130                         error_reporting (DEFAULT_ERROR_LEVEL);
5131
5132                         $num_unread = 0;
5133                         $cur_feed_title = '';
5134
5135                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
5136
5137                         while ($line = db_fetch_assoc($result)) {
5138
5139                                 $class = ($lnum % 2) ? "even" : "odd";
5140
5141                                 $id = $line["id"];
5142                                 $feed_id = $line["feed_id"];
5143
5144                                 $labels = get_article_labels($link, $id);
5145
5146                                 $labels_str = "<span id=\"HLLCTR-$id\">";
5147                                 $labels_str .= format_article_labels($labels, $id);
5148                                 $labels_str .= "</span>";
5149
5150                                 if (count($topmost_article_ids) < 5) {
5151                                         array_push($topmost_article_ids, $id);
5152                                 }
5153
5154                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5155
5156                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5157                                                 theme_image($link, 'images/updated.png')."\"
5158                                                 alt=\"Updated\">";
5159                                 } else {
5160                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
5161                                                 alt=\"Updated\">";
5162                                 }
5163
5164                                 if (sql_bool_to_bool($line["unread"]) &&
5165                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5166
5167                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5168                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
5169                                 }
5170
5171                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5172                                         $class .= "Unread";
5173                                         ++$num_unread;
5174                                         $is_unread = true;
5175                                 } else {
5176                                         $is_unread = false;
5177                                 }
5178
5179                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5180                                         $marked_pic = "<img id=\"FMPIC-$id\"
5181                                                 src=\"".theme_image($link, 'images/mark_set.png')."\"
5182                                                 class=\"markedPic\" alt=\"Unstar article\"
5183                                                 onclick='javascript:tMark($id)'>";
5184                                 } else {
5185                                         $marked_pic = "<img id=\"FMPIC-$id\"
5186                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\"
5187                                                 class=\"markedPic\" alt=\"Star article\"
5188                                                 onclick='javascript:tMark($id)'>";
5189                                 }
5190
5191                                 if ($line["published"] == "t" || $line["published"] == "1") {
5192                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5193                                                 'images/pub_set.png')."\"
5194                                                 class=\"markedPic\"
5195                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5196                                 } else {
5197                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5198                                                 'images/pub_unset.png')."\"
5199                                                 class=\"markedPic\"
5200                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5201                                 }
5202
5203 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5204 #                                       $line["title"] . "</a>";
5205
5206 #                               $content_link = "<a
5207 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5208 #                                       onclick=\"view($id,$feed_id);\">" .
5209 #                                       $line["title"] . "</a>";
5210
5211 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5212 #                                       $line["title"] . "</a>";
5213
5214                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
5215                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
5216                                 } else {
5217                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
5218                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
5219                                 }
5220
5221                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5222                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5223                                                 100);
5224                                 }
5225
5226                                 $score = $line["score"];
5227
5228                                 $score_pic = theme_image($link,
5229                                         "images/" . get_score_pic($score));
5230
5231 /*                              $score_title = __("(Click to change)");
5232                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5233                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5234
5235                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\"
5236                                         title=\"$score\">";
5237
5238                                 if ($score > 500) {
5239                                         $hlc_suffix = "H";
5240                                 } else if ($score < -100) {
5241                                         $hlc_suffix = "L";
5242                                 } else {
5243                                         $hlc_suffix = "";
5244                                 }
5245
5246                                 $entry_author = $line["author"];
5247
5248                                 if ($entry_author) {
5249                                         $entry_author = " - $entry_author";
5250                                 }
5251
5252                                 $has_feed_icon = feed_has_icon($feed_id);
5253
5254                                 if ($has_feed_icon) {
5255                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5256                                 } else {
5257                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5258                                         $feed_icon_img = "";
5259                                 }
5260
5261                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5262
5263                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5264                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5265
5266                                                         $cur_feed_title = $line["feed_title"];
5267                                                         $vgroup_last_feed = $feed_id;
5268
5269                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5270
5271                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5272
5273                                                         print "<tr class='feedTitle'><td colspan='7'>".
5274                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5275                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5276                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
5277                                                 }
5278                                         }
5279
5280                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5281                                                 onmouseout='postMouseOut($id)'";
5282
5283                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5284
5285                                         print "<td class='hlUpdPic'>$update_pic</td>";
5286
5287                                         print "<td class='hlSelectRow'>
5288                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5289                                                         id=\"RCHK-$id\">
5290                                                 </td>";
5291
5292                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5293                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5294
5295 #                                       if ($line["feed_title"]) {
5296 #                                               print "<td class='hlContent'>$content_link</td>";
5297 #                                               print "<td class='hlFeed'>
5298 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5299 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5300 #                                       } else {
5301
5302                                         print "<td onclick='view($id)' class='hlContent$hlc_suffix' valign='middle' id='HLC-$id'>";
5303
5304                                         print "<a id=\"RTITLE-$id\"
5305                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5306                                                 onclick=\"return false\">" .
5307                                                 $line["title"];
5308
5309                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5310                                                 if ($content_preview) {
5311                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5312                                                 }
5313                                         }
5314
5315                                         print "</a>";
5316
5317                                         print $labels_str;
5318
5319 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5320 #                                                       $line["feed_title"]."</a>
5321
5322                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5323                                                 if ($line["feed_title"]) {
5324                                                         print "<span class=\"hlFeed\">
5325                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5326                                                                 $line["feed_title"]."</a>)
5327                                                         </span>";
5328                                                 }
5329                                         }
5330
5331 //                                      print "<img id='HLL-$id' class='hlLoading'
5332 //                                              src='images/indicator_tiny.gif' style='display : none'>";
5333
5334                                         print "</td>";
5335
5336 #                                       }
5337
5338                                         print "<td class=\"hlUpdated\" onclick='view($id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5339
5340                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5341
5342                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5343                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5344                                         }
5345
5346                                         print "</tr>";
5347
5348                                 } else {
5349
5350                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5351                                                 if ($feed_id != $vgroup_last_feed) {
5352
5353                                                         $cur_feed_title = $line["feed_title"];
5354                                                         $vgroup_last_feed = $feed_id;
5355
5356                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5357
5358                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5359
5360                                                         $has_feed_icon = feed_has_icon($feed_id);
5361
5362                                                         if ($has_feed_icon) {
5363                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5364                                                         } else {
5365                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5366                                                         }
5367
5368                                                         print "<div class='cdmFeedTitle'>".
5369                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5370                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5371                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5372                                                 }
5373                                         }
5374
5375                                         if ($is_unread) {
5376                                                 $add_class = "Unread";
5377                                         } else {
5378                                                 $add_class = "";
5379                                         }
5380
5381                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5382                                         $show_excerpt = false;
5383
5384                                         if ($expand_cdm && $score >= -100) {
5385                                                 $cdm_cstyle = "";
5386                                                 $show_excerpt = false;
5387                                         } else {
5388                                                 $cdm_cstyle = "style=\"display : none\"";
5389                                                 $show_excerpt = true;
5390                                         }
5391
5392                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5393                                                 onmouseout='postMouseOut($id)'";
5394
5395                                         print "<div class=\"cdmArticle$add_class\"
5396                                                 id=\"RROW-$id\"
5397                                                 $mouseover_attrs'>";
5398
5399                                         print "<div class=\"cdmHeader\">";
5400
5401                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5402                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5403                                         }
5404
5405                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5406                                                 </div>";
5407
5408                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\"
5409                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5410                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5411                                                 ";
5412
5413                                         print $entry_author;
5414
5415 /*                                      if (!$expand_cdm || $score < -100) {
5416                                                 print "&nbsp;<a id=\"CICH-$id\"
5417                                                         href=\"javascript:cdmExpandArticle($id)\">
5418                                                         (".__('Show article').")</a>";
5419                                         } */
5420
5421                                         print $labels_str;
5422
5423                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5424                                                 if ($line["feed_title"]) {
5425                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5426                                                 }
5427                                         }
5428
5429                                         print "</span></div>";
5430
5431                                         if ($show_excerpt) {
5432                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5433                                                         onclick=\"cdmExpandArticle($id)\"
5434                                                         title=\"".__('Click to expand article')."\">";
5435
5436                                                 $content_preview = trim(truncate_string(strip_tags($line["content_preview"]), 100));
5437
5438                                                 if (strlen($content_preview) != 0) {
5439                                                         print $content_preview;
5440                                                 } else {
5441                                                         print __('Click to expand article');
5442                                                 }
5443                                                 print "</div>";
5444                                         }
5445
5446                                         print "<div class=\"cdmContent\"
5447                                                 onclick=\"cdmClicked($id)\"
5448                                                 id=\"CICD-$id\" $cdm_cstyle>";
5449
5450                                         if ($line["orig_feed_id"]) {
5451
5452                                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5453                                                 WHERE id = ".$line["orig_feed_id"]);
5454
5455                                                 if (db_num_rows($tmp_result) != 0) {
5456
5457                                                 print "<div clear='both'>";
5458                                                 print __("Originally from:");
5459
5460                                                 print "&nbsp;";
5461
5462                                                 $tmp_line = db_fetch_assoc($tmp_result);
5463
5464                                                 print "<a target='_blank'
5465                                                         href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5466                                                         $tmp_line['title'] . "</a>";
5467
5468                                                 print "&nbsp;";
5469
5470                                                 print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5471                                                 print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5472
5473                                                 print "</div>";
5474                                         }
5475                                 }
5476
5477 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5478
5479                                         print "<div id=\"POSTNOTE-$id\">";
5480                                         if ($line['note']) {
5481                                                 print format_article_note($id, $line['note']);
5482                                         }
5483                                         print "</div>";
5484
5485                                         print sanitize_rss($link, $line["content_preview"]);
5486
5487                                         $article_content = $line["content_preview"];
5488
5489                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5490                                                 post_id = '$id' AND content_url != ''");
5491
5492                                         if (db_num_rows($e_result) > 0) {
5493
5494                                 $entries_html = array();
5495                                 $entries = array();
5496
5497                                 while ($e_line = db_fetch_assoc($e_result)) {
5498
5499                                         $url = $e_line["content_url"];
5500                                         $ctype = $e_line["content_type"];
5501                                         if (!$ctype) $ctype = __("unknown type");
5502
5503                                         $filename = substr($url, strrpos($url, "/")+1);
5504
5505                                         $entry = format_inline_player($link, $url, $ctype);
5506
5507                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5508                                                 $filename . " (" . $ctype . ")" . "</a>";
5509
5510                                         array_push($entries_html, $entry);
5511
5512                                         $entry = array();
5513
5514                                         $entry["type"] = $ctype;
5515                                         $entry["filename"] = $filename;
5516                                         $entry["url"] = $url;
5517
5518                                         array_push($entries, $entry);
5519                                 }
5520
5521                                 $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5522                                         ttrss_feeds WHERE id = ".$line['feed_id']." AND owner_uid = ".$_SESSION["uid"]);
5523
5524                                 $always_display_enclosures = db_fetch_result($tmp_result, 0, "always_display_enclosures");
5525
5526                                 if (!get_pref($link, "STRIP_IMAGES")) {
5527                                         if ($always_display_enclosures ||
5528                                                                         !preg_match("/img/i", $article_content)) {
5529
5530                                                 foreach ($entries as $entry) {
5531                                                         if (preg_match("/image/", $entry["type"]) ||
5532                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
5533                                                                 print "<p><img
5534                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
5535                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
5536                                                         }
5537                                                 }
5538                                         }
5539                                 }
5540
5541                                 print "<div class=\"cdmEnclosures\">";
5542
5543                                 if (db_num_rows($e_result) == 1) {
5544                                         print __("Attachment:") . " ";
5545                                 } else {
5546                                         print __("Attachments:") . " ";
5547                                 }
5548
5549                                 print join(", ", $entries_html);
5550
5551                                 print "</div>";
5552                         }
5553
5554
5555                                         print "<br clear='both'>";
5556 //                                      print "</div>";
5557
5558 /*                                      if (!$expand_cdm) {
5559                                                 print "<a id=\"CICH-$id\"
5560                                                         href=\"javascript:cdmExpandArticle($id)\">
5561                                                         Show article</a>";
5562                                         } */
5563
5564                                         print "</div>";
5565
5566                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5567
5568                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5569
5570                                         print __("Select:").
5571                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5572                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5573
5574                                         print "</span><span class='s1'>$marked_pic&nbsp;";
5575                                         print "$published_pic&nbsp;";
5576                                         print "<img src=\"images/art-zoom.png\" class='tagsPic'
5577                                                 onclick=\"zoomToArticle($id)\"
5578                                                 style=\"cursor : pointer\"
5579                                                 alt='Zoom'
5580                                                 title='".__('Show article summary in new window')."'>&nbsp;";
5581
5582                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5583
5584                                         print "<img src=\"images/art-pub-note.png\" class='tagsPic'
5585                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5586                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5587                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5588
5589                                         print "</span>";
5590
5591                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5592
5593                                         print "<span class='s1'>
5594                                                 <img class='tagsPic' src='".theme_image($link,
5595                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5596                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5597                                                 <a title=\"".__('Edit tags for this article')."\"
5598                                                 href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5599
5600                                         print "</span>";
5601
5602                                         print "<span class='s2'><a class=\"cdmToggleLink\"
5603                                                         href=\"javascript:toggleUnread($id)\">
5604                                                         ".__('toggle unread')."</a></span>";
5605
5606                                         print "</div>";
5607                                         print "</div>";
5608
5609                                 }
5610
5611                                 ++$lnum;
5612                         }
5613
5614                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5615                                 print "</table>";
5616                         }
5617
5618                 } else {
5619                         $message = "";
5620
5621                         switch ($view_mode) {
5622                                 case "unread":
5623                                         $message = __("No unread articles found to display.");
5624                                         break;
5625                                 case "updated":
5626                                         $message = __("No updated articles found to display.");
5627                                         break;
5628                                 case "marked":
5629                                         $message = __("No starred articles found to display.");
5630                                         break;
5631                                 default:
5632                                         if ($feed < -10) {
5633                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5634                                         } else {
5635                                                 $message = __("No articles found to display.");
5636                                         }
5637                         }
5638
5639                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5640                 }
5641
5642                 if (!$offset) {
5643                         print "</div>";
5644                         print "</div>";
5645                 }
5646
5647                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5648         }
5649
5650 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5651
5652         function printTagCloud($link) {
5653
5654                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5655                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5656                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5657
5658                 $result = db_query($link, $query);
5659
5660                 $tags = array();
5661
5662                 while ($line = db_fetch_assoc($result)) {
5663                         $tags[$line["tag_name"]] = $line["count"];
5664                 }
5665
5666                 ksort($tags);
5667
5668                 $max_size = 32; // max font size in pixels
5669                 $min_size = 11; // min font size in pixels
5670
5671                 // largest and smallest array values
5672                 $max_qty = max(array_values($tags));
5673                 $min_qty = min(array_values($tags));
5674
5675                 // find the range of values
5676                 $spread = $max_qty - $min_qty;
5677                 if ($spread == 0) { // we don't want to divide by zero
5678                                 $spread = 1;
5679                 }
5680
5681                 // set the font-size increment
5682                 $step = ($max_size - $min_size) / ($spread);
5683
5684                 // loop through the tag array
5685                 foreach ($tags as $key => $value) {
5686                         // calculate font-size
5687                         // find the $value in excess of $min_qty
5688                         // multiply by the font-size increment ($size)
5689                         // and add the $min_size set above
5690                         $size = round($min_size + (($value - $min_qty) * $step));
5691
5692                         $key_escaped = str_replace("'", "\\'", $key);
5693
5694                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5695                                 $size . "px\" title=\"$value articles tagged with " .
5696                                 $key . '">' . $key . '</a> ';
5697                 }
5698         }
5699
5700         function print_checkpoint($n, $s) {
5701                 $ts = getmicrotime();
5702                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5703                 return $ts;
5704         }
5705
5706         function sanitize_tag($tag) {
5707                 $tag = trim($tag);
5708
5709                 $tag = mb_strtolower($tag, 'utf-8');
5710
5711                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5712
5713 //              $tag = str_replace('"', "", $tag);
5714 //              $tag = str_replace("+", " ", $tag);
5715                 $tag = str_replace("technorati tag: ", "", $tag);
5716
5717                 return $tag;
5718         }
5719
5720         function generate_publish_key() {
5721                 return sha1(uniqid(rand(), true));
5722         }
5723
5724         function article_publish_url($link) {
5725
5726                 $url_path = "";
5727
5728
5729                 if ($_SERVER['HTTPS'] != "on") {
5730                         $url_path = "http://";
5731                 } else {
5732                         $url_path = "https://";
5733                 }
5734
5735                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5736                 $url_path .= "/backend.php?op=publish&key=" .
5737                         get_pref($link, "_PREFS_PUBLISH_KEY", $_SESSION["uid"]);
5738
5739                 return $url_path;
5740         }
5741         function opml_publish_url($link){
5742                 $url_path = "";
5743
5744
5745                 if ($_SERVER['HTTPS'] != "on") {
5746                         $url_path = "http://";
5747                 } else {
5748                         $url_path = "https://";
5749                 }
5750
5751                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5752                 $url_path .= "/opml.php?op=publish&key=" .
5753                         get_pref($link, "_PREFS_PUBLISH_KEY", $_SESSION["uid"]);
5754
5755                 return $url_path;
5756         }
5757
5758         /**
5759          * Purge a feed contents, marked articles excepted.
5760          *
5761          * @param mixed $link The database connection.
5762          * @param integer $id The id of the feed to purge.
5763          * @return void
5764          */
5765         function clear_feed_articles($link, $id) {
5766
5767                 if ($id != 0) {
5768                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5769                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5770                 } else {
5771                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5772                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5773                 }
5774
5775                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5776                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5777
5778                 ccache_update($link, $id, $_SESSION['uid']);
5779         } // function clear_feed_articles
5780
5781         /**
5782          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5783          *
5784          * @return string The Mozilla Firefox feed adding URL.
5785          */
5786         function add_feed_url() {
5787                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5788                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5789                 return $url_path;
5790         } // function add_feed_url
5791
5792         /**
5793          * Encrypt a password in SHA1.
5794          *
5795          * @param string $pass The password to encrypt.
5796          * @param string $login A optionnal login.
5797          * @return string The encrypted password.
5798          */
5799         function encrypt_password($pass, $login = '') {
5800                 if ($login) {
5801                         return "SHA1X:" . sha1("$login:$pass");
5802                 } else {
5803                         return "SHA1:" . sha1($pass);
5804                 }
5805         } // function encrypt_password
5806
5807         /**
5808          * Update a feed batch.
5809          * Used by daemons to update n feeds by run.
5810          * Only update feed needing a update, and not being processed
5811          * by another process.
5812          *
5813          * @param mixed $link Database link
5814          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5815          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5816          * @param boolean $debug Set to false to disable debug output. Default to true.
5817          * @return void
5818          */
5819         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5820                 // Process all other feeds using last_updated and interval parameters
5821
5822                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5823                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5824                         if (DB_TYPE == "pgsql") {
5825                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5826                         } else {
5827                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5828                         }
5829                 } else {
5830                         $login_thresh_qpart = "";
5831                 }
5832
5833                 // Test if the feed need a update (update interval exceded).
5834                 if (DB_TYPE == "pgsql") {
5835                         $update_limit_qpart = "AND ((
5836                                         ttrss_feeds.update_interval = 0
5837                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5838                                 ) OR (
5839                                         ttrss_feeds.update_interval > 0
5840                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5841                                 ) OR ttrss_feeds.last_updated IS NULL)";
5842                 } else {
5843                         $update_limit_qpart = "AND ((
5844                                         ttrss_feeds.update_interval = 0
5845                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5846                                 ) OR (
5847                                         ttrss_feeds.update_interval > 0
5848                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5849                                 ) OR ttrss_feeds.last_updated IS NULL)";
5850                 }
5851
5852                 // Test if feed is currently being updated by another process.
5853                 if (DB_TYPE == "pgsql") {
5854                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5855                 } else {
5856                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5857                 }
5858
5859                 // Test if there is a limit to number of updated feeds
5860                 $query_limit = "";
5861                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5862
5863                 $random_qpart = sql_random_function();
5864
5865                 // We search for feed needing update.
5866                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5867                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5868                                 ttrss_feeds.update_interval
5869                         FROM
5870                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5871                         WHERE
5872                                 ttrss_feeds.owner_uid = ttrss_users.id
5873                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5874                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5875                                 $login_thresh_qpart $update_limit_qpart
5876                          $updstart_thresh_qpart
5877                         ORDER BY $random_qpart $query_limit");
5878
5879                 $user_prefs_cache = array();
5880
5881                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5882
5883                 // Here is a little cache magic in order to minimize risk of double feed updates.
5884                 $feeds_to_update = array();
5885                 while ($line = db_fetch_assoc($result)) {
5886                         $feeds_to_update[$line['id']] = $line;
5887                 }
5888
5889                 // We update the feed last update started date before anything else.
5890                 // There is no lag due to feed contents downloads
5891                 // It prevent an other process to update the same feed.
5892                 $feed_ids = array_keys($feeds_to_update);
5893                 if($feed_ids) {
5894                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5895                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5896                 }
5897
5898                 // For each feed, we call the feed update function.
5899                 while ($line = array_pop($feeds_to_update)) {
5900
5901                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5902
5903                         update_rss_feed($link, $line["id"], true);
5904
5905                         sleep(1); // prevent flood (FIXME make this an option?)
5906                 }
5907
5908                 // Send feed digests by email if needed.
5909                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5910
5911                 purge_orphans($link);
5912
5913         } // function update_daemon_common
5914
5915         function sanitize_article_content($text) {
5916                 # we don't support CDATA sections in articles, they break our own escaping
5917                 $text = preg_replace("/\[\[CDATA/", "", $text);
5918                 $text = preg_replace("/\]\]\>/", "", $text);
5919                 return $text;
5920         }
5921
5922         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5923                 $filters = array();
5924
5925                 global $memcache;
5926
5927                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5928
5929                 if ($memcache && $obj = $memcache->get($obj_id)) {
5930
5931                         return $obj;
5932
5933                 } else {
5934
5935                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5936
5937                         $result = db_query($link, "SELECT reg_exp,
5938                                 ttrss_filter_types.name AS name,
5939                                 ttrss_filter_actions.name AS action,
5940                                 inverse,
5941                                 action_param,
5942                                 filter_param
5943                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5944                                         enabled = true AND
5945                                         $ftype_query_part
5946                                         owner_uid = $owner_uid AND
5947                                         ttrss_filter_types.id = filter_type AND
5948                                         ttrss_filter_actions.id = action_id AND
5949                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5950
5951                         while ($line = db_fetch_assoc($result)) {
5952                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5953                                         $filter["reg_exp"] = $line["reg_exp"];
5954                                         $filter["action"] = $line["action"];
5955                                         $filter["action_param"] = $line["action_param"];
5956                                         $filter["filter_param"] = $line["filter_param"];
5957                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5958
5959                                         array_push($filters[$line["name"]], $filter);
5960                                 }
5961
5962                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5963
5964                         return $filters;
5965                 }
5966         }
5967
5968         function get_score_pic($score) {
5969                 if ($score > 100) {
5970                         return "score_high.png";
5971                 } else if ($score > 0) {
5972                         return "score_half_high.png";
5973                 } else if ($score < -100) {
5974                         return "score_low.png";
5975                 } else if ($score < 0) {
5976                         return "score_half_low.png";
5977                 } else {
5978                         return "score_neutral.png";
5979                 }
5980         }
5981
5982         function rounded_table_start($classname, $header = "&nbsp;") {
5983                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5984                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5985                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5986         }
5987
5988         function rounded_table_end($footer = "&nbsp;") {
5989                 print "</td><td class='right'>&nbsp;</td></tr>";
5990                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5991                 print "</table>";
5992         }
5993
5994         function feed_has_icon($id) {
5995                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5996         }
5997
5998         function init_connection($link) {
5999                 if (DB_TYPE == "pgsql") {
6000                         pg_query($link, "set client_encoding = 'UTF-8'");
6001                         pg_set_client_encoding("UNICODE");
6002                         pg_query($link, "set datestyle = 'ISO, european'");
6003                 } else {
6004                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
6005                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
6006         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
6007                         }
6008                 }
6009         }
6010
6011         function update_feedbrowser_cache($link) {
6012
6013                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
6014                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
6015                                 WHERE tf.feed_url = ttrss_feeds.feed_url
6016                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
6017                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
6018
6019                 db_query($link, "BEGIN");
6020
6021                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
6022
6023                 $count = 0;
6024
6025                 while ($line = db_fetch_assoc($result)) {
6026                         $subscribers = db_escape_string($line["subscribers"]);
6027                         $feed_url = db_escape_string($line["feed_url"]);
6028                         $title = db_escape_string($line["title"]);
6029
6030                         $tmp_result = db_query($link, "SELECT subscribers FROM
6031                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
6032
6033                         if (db_num_rows($tmp_result) == 0) {
6034
6035                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
6036                                         (feed_url, title, subscribers) VALUES ('$feed_url',
6037                                                 '$title', '$subscribers')");
6038
6039                                 ++$count;
6040
6041                         }
6042
6043                 }
6044
6045                 db_query($link, "COMMIT");
6046
6047                 return $count;
6048
6049         }
6050
6051         function ccache_zero($link, $feed_id, $owner_uid) {
6052                 db_query($link, "UPDATE ttrss_counters_cache SET
6053                         value = 0, updated = NOW() WHERE
6054                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6055         }
6056
6057         function ccache_zero_all($link, $owner_uid) {
6058                 db_query($link, "UPDATE ttrss_counters_cache SET
6059                         value = 0 WHERE owner_uid = '$owner_uid'");
6060
6061                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
6062                         value = 0 WHERE owner_uid = '$owner_uid'");
6063         }
6064
6065         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
6066
6067                 if (!$is_cat) {
6068                         $table = "ttrss_counters_cache";
6069                 } else {
6070                         $table = "ttrss_cat_counters_cache";
6071                 }
6072
6073                 db_query($link, "DELETE FROM $table WHERE
6074                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6075
6076         }
6077
6078         function ccache_update_all($link, $owner_uid) {
6079
6080                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
6081
6082                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
6083                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6084
6085                         while ($line = db_fetch_assoc($result)) {
6086                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
6087                         }
6088
6089                         /* We have to manually include category 0 */
6090
6091                         ccache_update($link, 0, $owner_uid, true);
6092
6093                 } else {
6094                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
6095                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6096
6097                         while ($line = db_fetch_assoc($result)) {
6098                                 print ccache_update($link, $line["feed_id"], $owner_uid);
6099
6100                         }
6101
6102                 }
6103         }
6104
6105         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
6106                 $no_update = false) {
6107
6108                 if (!is_numeric($feed_id)) return;
6109
6110                 if (!$is_cat) {
6111                         $table = "ttrss_counters_cache";
6112                         if ($feed_id > 0) {
6113                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
6114                                         WHERE id = '$feed_id'");
6115                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6116                         }
6117                 } else {
6118                         $table = "ttrss_cat_counters_cache";
6119                 }
6120
6121                 if (DB_TYPE == "pgsql") {
6122                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
6123                 } else if (DB_TYPE == "mysql") {
6124                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
6125                 }
6126
6127                 $result = db_query($link, "SELECT value FROM $table
6128                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
6129                         LIMIT 1");
6130
6131                 if (db_num_rows($result) == 1) {
6132                         return db_fetch_result($result, 0, "value");
6133                 } else {
6134                         if ($no_update) {
6135                                 return -1;
6136                         } else {
6137                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
6138                         }
6139                 }
6140
6141         }
6142
6143         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
6144                 $update_pcat = true) {
6145
6146                 if (!is_numeric($feed_id)) return;
6147
6148                 if (!$is_cat && $feed_id > 0) {
6149                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
6150                                 WHERE id = '$feed_id'");
6151                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6152                 }
6153
6154                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
6155
6156                 /* When updating a label, all we need to do is recalculate feed counters
6157                  * because labels are not cached */
6158
6159                 if ($feed_id < 0) {
6160                         ccache_update_all($link, $owner_uid);
6161                         return;
6162                 }
6163
6164                 if (!$is_cat) {
6165                         $table = "ttrss_counters_cache";
6166                 } else {
6167                         $table = "ttrss_cat_counters_cache";
6168                 }
6169
6170                 if ($is_cat && $feed_id >= 0) {
6171                         if ($feed_id != 0) {
6172                                 $cat_qpart = "cat_id = '$feed_id'";
6173                         } else {
6174                                 $cat_qpart = "cat_id IS NULL";
6175                         }
6176
6177                         /* Recalculate counters for child feeds */
6178
6179                         $result = db_query($link, "SELECT id FROM ttrss_feeds
6180                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
6181
6182                         while ($line = db_fetch_assoc($result)) {
6183                                 ccache_update($link, $line["id"], $owner_uid, false, false);
6184                         }
6185
6186                         $result = db_query($link, "SELECT SUM(value) AS sv
6187                                 FROM ttrss_counters_cache, ttrss_feeds
6188                                 WHERE id = feed_id AND $cat_qpart AND
6189                                 ttrss_feeds.owner_uid = '$owner_uid'");
6190
6191                         $unread = (int) db_fetch_result($result, 0, "sv");
6192
6193                 } else {
6194                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
6195                 }
6196
6197                 db_query($link, "BEGIN");
6198
6199                 $result = db_query($link, "SELECT feed_id FROM $table
6200                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6201
6202                 if (db_num_rows($result) == 1) {
6203                         db_query($link, "UPDATE $table SET
6204                                 value = '$unread', updated = NOW() WHERE
6205                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6206
6207                 } else {
6208                         db_query($link, "INSERT INTO $table
6209                                 (feed_id, value, owner_uid, updated)
6210                                 VALUES
6211                                 ($feed_id, $unread, $owner_uid, NOW())");
6212                 }
6213
6214                 db_query($link, "COMMIT");
6215
6216                 if ($feed_id > 0 && $prev_unread != $unread) {
6217
6218                         if (!$is_cat) {
6219
6220                                 /* Update parent category */
6221
6222                                 if ($update_pcat) {
6223
6224                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6225                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6226
6227                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6228
6229                                         ccache_update($link, $cat_id, $owner_uid, true);
6230
6231                                 }
6232                         }
6233                 } else if ($feed_id < 0) {
6234                         ccache_update_all($link, $owner_uid);
6235                 }
6236
6237                 return $unread;
6238         }
6239
6240         function label_find_id($link, $label, $owner_uid) {
6241                 $result = db_query($link,
6242                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
6243                                 AND owner_uid = '$owner_uid' LIMIT 1");
6244
6245                 if (db_num_rows($result) == 1) {
6246                         return db_fetch_result($result, 0, "id");
6247                 } else {
6248                         return 0;
6249                 }
6250         }
6251
6252         function get_article_labels($link, $id) {
6253                 global $memcache;
6254
6255                 $result = db_query($link,
6256                         "SELECT DISTINCT label_id,caption,fg_color,bg_color
6257                                 FROM ttrss_labels2, ttrss_user_labels2
6258                         WHERE id = label_id
6259                                 AND article_id = '$id'
6260                                 AND owner_uid = ".$_SESSION["uid"] . "
6261                         ORDER BY caption");
6262
6263                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
6264
6265                 $rv = array();
6266
6267                 if ($memcache && $obj = $memcache->get($obj_id)) {
6268                         return $obj;
6269                 } else {
6270                         while ($line = db_fetch_assoc($result)) {
6271                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6272                                         $line["bg_color"]);
6273                                 array_push($rv, $rk);
6274                         }
6275                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6276                 }
6277
6278                 return $rv;
6279         }
6280
6281
6282         function label_find_caption($link, $label, $owner_uid) {
6283                 $result = db_query($link,
6284                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6285                                 AND owner_uid = '$owner_uid' LIMIT 1");
6286
6287                 if (db_num_rows($result) == 1) {
6288                         return db_fetch_result($result, 0, "caption");
6289                 } else {
6290                         return "";
6291                 }
6292         }
6293
6294         function label_remove_article($link, $id, $label, $owner_uid) {
6295
6296                 $label_id = label_find_id($link, $label, $owner_uid);
6297
6298                 if (!$label_id) return;
6299
6300                 $result = db_query($link,
6301                         "DELETE FROM ttrss_user_labels2
6302                         WHERE
6303                                 label_id = '$label_id' AND
6304                                 article_id = '$id'");
6305         }
6306
6307         function label_add_article($link, $id, $label, $owner_uid) {
6308
6309                 global $memcache;
6310
6311                 if ($memcache) {
6312                         $obj_id = md5("LABELS:$id:$owner_uid");
6313                         $memcache->delete($obj_id);
6314                 }
6315
6316                 $label_id = label_find_id($link, $label, $owner_uid);
6317
6318                 if (!$label_id) return;
6319
6320                 $result = db_query($link,
6321                         "SELECT
6322                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6323                         WHERE
6324                                 label_id = id AND
6325                                 label_id = '$label_id' AND
6326                                 article_id = '$id' AND owner_uid = '$owner_uid'
6327                         LIMIT 1");
6328
6329                 if (db_num_rows($result) == 0) {
6330                         db_query($link, "INSERT INTO ttrss_user_labels2
6331                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6332                 }
6333         }
6334
6335         function label_remove($link, $id, $owner_uid) {
6336                 global $memcache;
6337
6338                 if ($memcache) {
6339                         $obj_id = md5("LABELS:$id:$owner_uid");
6340                         $memcache->delete($obj_id);
6341                 }
6342
6343                 db_query($link, "BEGIN");
6344
6345                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6346                         WHERE id = '$id'");
6347
6348                 $caption = db_fetch_result($result, 0, "caption");
6349
6350                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6351                         AND owner_uid = " . $_SESSION["uid"]);
6352
6353                 if (db_affected_rows($link, $result) != 0 && $caption) {
6354
6355                         /* Disable filters that reference label being removed */
6356
6357                         db_query($link, "UPDATE ttrss_filters SET
6358                                 enabled = false WHERE action_param = '$caption'
6359                                         AND action_id = 7
6360                                         AND owner_uid = " . $_SESSION["uid"]);
6361                         }
6362
6363                 db_query($link, "COMMIT");
6364         }
6365
6366         function label_create($link, $caption) {
6367
6368                 db_query($link, "BEGIN");
6369
6370                 $result = false;
6371
6372                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6373                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6374
6375                 if (db_num_rows($result) == 0) {
6376                         $result = db_query($link,
6377                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6378                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6379
6380                         $result = db_affected_rows($link, $result) != 0;
6381                 }
6382
6383                 db_query($link, "COMMIT");
6384
6385                 return $result;
6386         }
6387
6388         function print_labels_headlines_dropdown($link, $feed_id) {
6389                 print "<li onclick=\"javascript:addLabel()\">
6390                         &nbsp;&nbsp;".__("Create label...")."</li>";
6391
6392                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6393                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6394
6395                 while ($line = db_fetch_assoc($result)) {
6396
6397                         $label_id = $line["id"];
6398                         $label_caption = $line["caption"];
6399
6400                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6401                                 print "<li id=\"LHDL-$id\"
6402                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
6403                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
6404                         } else {
6405                                 print "<li id=\"LHDL-$id\"
6406                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
6407                                         &nbsp;&nbsp;$label_caption</li>";
6408                         }
6409                 }
6410         }
6411
6412         function format_tags_string($tags, $id) {
6413
6414                 $tags_str = "";
6415                 $tags_nolinks_str = "";
6416
6417                 $num_tags = 0;
6418
6419 /*              if (get_user_theme($link) == "3pane") {
6420                         $tag_limit = 3;
6421                 } else {
6422                         $tag_limit = 6;
6423                 } */
6424
6425                 $tag_limit = 6;
6426
6427                 $formatted_tags = array();
6428
6429                 foreach ($tags as $tag) {
6430                         $num_tags++;
6431                         $tag_escaped = str_replace("'", "\\'", $tag);
6432
6433                         if (mb_strlen($tag) > 30) {
6434                                 $tag = truncate_string($tag, 30);
6435                         }
6436
6437                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6438
6439                         array_push($formatted_tags, $tag_str);
6440
6441                         $tmp_tags_str = implode(", ", $formatted_tags);
6442
6443                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6444                                 break;
6445                         }
6446                 }
6447
6448                 $tags_str = implode(", ", $formatted_tags);
6449
6450                 if ($num_tags < count($tags)) {
6451                         $tags_str .= ", &hellip;";
6452                 }
6453
6454                 if ($num_tags == 0) {
6455                         $tags_str = __("no tags");
6456                 }
6457
6458                 return $tags_str;
6459
6460         }
6461
6462         function format_article_labels($labels, $id) {
6463
6464                 $labels_str = "";
6465
6466                 foreach ($labels as $l) {
6467                         $labels_str .= sprintf("<span class='hlLabelRef'
6468                                 style='color : %s; background-color : %s'>%s</span>",
6469                                         $l[2], $l[3], $l[1]);
6470                         }
6471
6472                 return $labels_str;
6473
6474         }
6475
6476         function format_article_note($id, $note) {
6477
6478                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6479
6480                 $str = "<div class='articleNote'>";
6481                 $str .= $note;
6482                 $str .= "<div class='articleNoteOps'>";
6483                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6484                         __('edit note')."</a>";
6485                 $str .= "</div>";
6486                 $str .= "</div>";
6487
6488                 return $str;
6489         }
6490
6491         function toggle_collapse_cat($link, $cat_id) {
6492                 if ($cat_id > 0) {
6493                         db_query($link, "UPDATE ttrss_feed_categories SET
6494                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
6495                                 $_SESSION["uid"]);
6496                 } else {
6497                         $pref_name = '';
6498
6499                         switch ($cat_id) {
6500                         case -1:
6501                                 $pref_name = '_COLLAPSED_SPECIAL';
6502                                 break;
6503                         case -2:
6504                                 $pref_name = '_COLLAPSED_LABELS';
6505                                 break;
6506                         case 0:
6507                                 $pref_name = '_COLLAPSED_UNCAT';
6508                                 break;
6509                         }
6510
6511                         if ($pref_name) {
6512                                 if (get_pref($link, $pref_name)) {
6513                                         set_pref($link, $pref_name, 'false');
6514                                 } else {
6515                                         set_pref($link, $pref_name, 'true');
6516                                 }
6517                         }
6518                 }
6519         }
6520
6521         function remove_feed($link, $id, $owner_uid) {
6522
6523                 if ($id > 0) {
6524
6525                         /* save starred articles in Archived feed */
6526
6527                         db_query($link, "BEGIN");
6528
6529                         /* prepare feed if necessary */
6530
6531                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6532                                 WHERE id = '$id'");
6533
6534                         if (db_num_rows($result) == 0) {
6535                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6536                                         (id, owner_uid, title, feed_url, site_url)
6537                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6538                                 WHERE id = '$id'");
6539                         }
6540
6541                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6542                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6543                                         marked = true AND owner_uid = $owner_uid");
6544
6545                         /* remove the feed */
6546
6547                         db_query($link, "DELETE FROM ttrss_feeds
6548                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6549
6550                         db_query($link, "COMMIT");
6551
6552 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6553                                 unlink(ICONS_DIR . "/$id.ico");
6554                         } */
6555
6556                         ccache_remove($link, $id, $owner_uid);
6557
6558                 } else {
6559                         label_remove($link, -11-$id, $owner_uid);
6560                         ccache_remove($link, -11-$id, $owner_uid);
6561                 }
6562         }
6563
6564         function remove_feed_category($link, $id, $owner_uid) {
6565
6566                 db_query($link, "DELETE FROM ttrss_feed_categories
6567                         WHERE id = '$id' AND owner_uid = $owner_uid");
6568
6569                 ccache_remove($link, $id, $owner_uid, true);
6570         }
6571
6572         function archive_article($link, $id, $owner_uid) {
6573                 db_query($link, "BEGIN");
6574
6575                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6576                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6577
6578                 if (db_num_rows($result) != 0) {
6579
6580                         /* prepare the archived table */
6581
6582                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6583
6584                         if ($feed_id) {
6585                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6586                                         WHERE id = '$feed_id'");
6587
6588                                 if (db_num_rows($result) == 0) {
6589                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6590                                                 (id, owner_uid, title, feed_url, site_url)
6591                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6592                                         WHERE id = '$feed_id'");
6593                                 }
6594
6595                                 db_query($link, "UPDATE ttrss_user_entries
6596                                         SET orig_feed_id = feed_id, feed_id = NULL
6597                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6598                         }
6599                 }
6600
6601                 db_query($link, "COMMIT");
6602         }
6603
6604         function getArticleFeed($link, $id) {
6605                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6606                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6607
6608                 if (db_num_rows($result) != 0) {
6609                         return db_fetch_result($result, 0, "feed_id");
6610                 } else {
6611                         return 0;
6612                 }
6613         }
6614
6615         function make_url_from_parts($parts) {
6616                 $url = $parts['scheme'] . '://' . $parts['host'];
6617
6618                 if ($parts['path']) $url .= $parts['path'];
6619                 if ($parts['query']) $url .= '?' . $parts['query'];
6620
6621                 return $url;
6622         }
6623
6624         function validate_feed_url($url) {
6625                 $parts = parse_url($url);
6626
6627                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6628
6629         }
6630
6631         function get_article_enclosures($link, $id) {
6632
6633                 global $memcache;
6634
6635                 $query = "SELECT * FROM ttrss_enclosures
6636                         WHERE post_id = '$id' AND content_url != ''";
6637
6638                 $obj_id = md5("ENCLOSURES:$id");
6639
6640                 $rv = array();
6641
6642                 if ($memcache && $obj = $memcache->get($obj_id)) {
6643                         $rv = $obj;
6644                 } else {
6645                         $result = db_query($link, $query);
6646
6647                         if (db_num_rows($result) > 0) {
6648                                 while ($line = db_fetch_assoc($result)) {
6649                                         array_push($rv, $line);
6650                                 }
6651                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6652                         }
6653                 }
6654
6655                 return $rv;
6656         }
6657
6658         function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
6659
6660                         $feeds = array();
6661
6662                         /* Labels */
6663
6664                         if (!$cat_id || $cat_id == -2) {
6665                                 $counters = getLabelCounters($link, true);
6666
6667                                 foreach (array_keys($counters) as $id) {
6668
6669                                         $unread = $counters[$id]["counter"];
6670
6671                                         if ($unread || !$unread_only) {
6672
6673                                                 $row = array(
6674                                                                 "id" => $id,
6675                                                                 "title" => $counters[$id]["description"],
6676                                                                 "unread" => $counters[$id]["counter"],
6677                                                                 "cat_id" => -2,
6678                                                         );
6679
6680                                                 array_push($feeds, $row);
6681                                         }
6682                                 }
6683                         }
6684
6685                         /* Virtual feeds */
6686
6687                         if (!$cat_id || $cat_id == -1) {
6688                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
6689                                         $unread = getFeedUnread($link, $i);
6690
6691                                         if ($unread || !$unread_only) {
6692                                                 $title = getFeedTitle($link, $i);
6693
6694                                                 $row = array(
6695                                                                 "id" => $i,
6696                                                                 "title" => $title,
6697                                                                 "unread" => $unread,
6698                                                                 "cat_id" => -1,
6699                                                         );
6700                                                 array_push($feeds, $row);
6701                                         }
6702
6703                                 }
6704                         }
6705
6706                         /* Real feeds */
6707
6708                         if ($limit) {
6709                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
6710                         } else {
6711                                 $limit_qpart = "";
6712                         }
6713
6714                         if (!$cat_id) {
6715                                 $result = db_query($link, "SELECT
6716                                         id, feed_url, cat_id, title, ".
6717                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6718                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
6719                                                 " ORDER BY cat_id, title " . $limit_qpart);
6720                         } else {
6721                                 $result = db_query($link, "SELECT
6722                                         id, feed_url, cat_id, title, ".
6723                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6724                                                 FROM ttrss_feeds WHERE
6725                                                 cat_id = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
6726                                                 " ORDER BY cat_id, title " . $limit_qpart);
6727                         }
6728
6729                         while ($line = db_fetch_assoc($result)) {
6730
6731                                 $unread = getFeedUnread($link, $line["id"]);
6732
6733                                 $has_icon = feed_has_icon($line['id']);
6734
6735                                 if ($unread || !$unread_only) {
6736
6737                                         $row = array(
6738                                                         "feed_url" => $line["feed_url"],
6739                                                         "title" => $line["title"],
6740                                                         "id" => (int)$line["id"],
6741                                                         "unread" => (int)$unread,
6742                                                         "has_icon" => $has_icon,
6743                                                         "cat_id" => (int)$line["cat_id"],
6744                                                         "last_updated" => strtotime($line["last_updated"])
6745                                                 );
6746
6747                                         array_push($feeds, $row);
6748                                 }
6749                         }
6750
6751                 return $feeds;
6752         }
6753
6754         function api_get_headlines($link, $feed_id, $limit, $offset,
6755                                         $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order) {
6756
6757                         /* do not rely on params below */
6758
6759                         $search = db_escape_string($_REQUEST["search"]);
6760                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
6761                         $match_on = db_escape_string($_REQUEST["match_on"]);
6762
6763                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
6764                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
6765                                 $order, $offset);
6766
6767                         $result = $qfh_ret[0];
6768                         $feed_title = $qfh_ret[1];
6769
6770                         $headlines = array();
6771
6772                         while ($line = db_fetch_assoc($result)) {
6773                                 $is_updated = ($line["last_read"] == "" &&
6774                                         ($line["unread"] != "t" && $line["unread"] != "1"));
6775
6776                                 $headline_row = array(
6777                                                 "id" => (int)$line["id"],
6778                                                 "unread" => sql_bool_to_bool($line["unread"]),
6779                                                 "marked" => sql_bool_to_bool($line["marked"]),
6780                                                 "published" => sql_bool_to_bool($line["published"]),
6781                                                 "updated" => strtotime($line["updated"]),
6782                                                 "is_updated" => $is_updated,
6783                                                 "title" => $line["title"],
6784                                                 "link" => $line["link"],
6785                                                 "feed_id" => $line["feed_id"],
6786                                                 "tags" => get_article_tags($link, $line["id"]),
6787                                         );
6788
6789                                 if ($show_excerpt) {
6790                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
6791                                         $headline_row["excerpt"] = $excerpt;
6792                                 }
6793
6794                                 if ($show_content) {
6795                                         $headline_row["content"] = $line["content_preview"];
6796                                 }
6797
6798                                 array_push($headlines, $headline_row);
6799                         }
6800
6801                         return $headlines;
6802         }
6803
6804 ?>