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