functions.php

   1 <?php
   2
   3 /*      if ($_GET["debug"]) {
   4                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   5         } else {
   6                 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
   7         } */
   8
   9         require_once 'config.php';
  10
  11         function get_translations() {
  12                 $tr = array(
  13                                         "auto"  => "Detect automatically",
  14                                         "en_US" => "English",
  15                                         "fr_FR" => "Français",
  16                                         "ru_RU" => "Русский",
  17                                         "zh_CN" => "Simplified Chinese");
  18
  19                 return $tr;
  20         }
  21
  22         if (ENABLE_TRANSLATIONS == true) {
  23                 require_once "accept-to-gettext.php";
  24                 require_once "gettext/gettext.inc";
  25
  26                 function startup_gettext() {
  27
  28                         # Get locale from Accept-Language header
  29                         $lang = al2gt(array_keys(get_translations()), "text/html");
  30
  31                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  32                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  33                         }
  34
  35                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  36                                 $lang = $_COOKIE["ttrss_lang"];
  37                         }
  38
  39                         if ($lang) {
  40                                 _setlocale(LC_MESSAGES, $lang);
  41                                 _bindtextdomain("messages", "locale");
  42                                 _textdomain("messages");
  43                                 _bind_textdomain_codeset("messages", "UTF-8");
  44                         }
  45                 }
  46
  47                 startup_gettext();
  48
  49         } else {
  50                 function __($msg) {
  51                         return $msg;
  52                 }
  53                 function startup_gettext() {
  54                         // no-op
  55                         return true;
  56                 }
  57         }
  58
  59         require_once 'db-prefs.php';
  60         require_once 'compat.php';
  61         require_once 'errors.php';
  62         require_once 'version.php';
  63
  64         require_once 'phpmailer/class.phpmailer.php';
  65
  66         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
  67         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
  68
  69         if (ENABLE_SIMPLEPIE) {
  70                 require_once "simplepie/simplepie.inc";
  71         } else {
  72                 require_once "magpierss/rss_fetch.inc";
  73                 require_once 'magpierss/rss_utils.inc';
  74         }
  75
  76         if (ENABLE_TAGWALL) {
  77                 include_once "tw/tw-config.php";
  78                 include_once "tw/tw.php";
  79                 include_once TW_SETUP . "paranoya.php";
  80
  81                 $tw_parser = new twParser();
  82         }
  83
  84         function _debug($msg) {
  85                 $ts = strftime("%H:%M:%S", time());
  86                 print "[$ts] $msg\n";
  87         }
  88
  89         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
  90
  91                 $rows = -1;
  92
  93                 if (DB_TYPE == "pgsql") {
  94 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
  95                                 marked = false AND feed_id = '$feed_id' AND
  96                                 (SELECT date_entered FROM ttrss_entries WHERE
  97                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
  98
  99                         $pg_version = get_pgsql_version($link);
 100
 101                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 102
 103                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 104                                         ttrss_entries.id = ref_id AND
 105                                         marked = false AND
 106                                         feed_id = '$feed_id' AND
 107                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 108
 109                         } else {
 110
 111                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 112                                         USING ttrss_entries
 113                                         WHERE ttrss_entries.id = ref_id AND
 114                                         marked = false AND
 115                                         feed_id = '$feed_id' AND
 116                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 117                         }
 118
 119                         $rows = pg_affected_rows($result);
 120
 121                 } else {
 122
 123 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 124                                 marked = false AND feed_id = '$feed_id' AND
 125                                 (SELECT date_entered FROM ttrss_entries WHERE
 126                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 127
 128                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 129                                 USING ttrss_user_entries, ttrss_entries
 130                                 WHERE ttrss_entries.id = ref_id AND
 131                                 marked = false AND
 132                                 feed_id = '$feed_id' AND
 133                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 134
 135                         $rows = mysql_affected_rows($link);
 136
 137                 }
 138
 139                 if ($debug) {
 140                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 141                 }
 142         }
 143
 144         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 145
 146                 $random_qpart = sql_random_function();
 147
 148                 if ($limit) {
 149                         $limit_qpart = "LIMIT $limit";
 150                 } else {
 151                         $limit_qpart = "";
 152                 }
 153
 154                 $result = db_query($link,
 155                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 156                                 ORDER BY $random_qpart $limit_qpart");
 157
 158                 while ($line = db_fetch_assoc($result)) {
 159
 160                         $feed_id = $line["id"];
 161                         $purge_interval = $line["purge_interval"];
 162                         $owner_uid = $line["owner_uid"];
 163
 164                         if ($purge_interval == 0) {
 165
 166                                 $tmp_result = db_query($link,
 167                                         "SELECT value FROM ttrss_user_prefs WHERE
 168                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 169
 170                                 if (db_num_rows($tmp_result) != 0) {
 171                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 172                                 }
 173                         }
 174
 175                         if ($do_output) {
 176 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 177                         }
 178
 179                         if ($purge_interval > 0) {
 180                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 181                         }
 182                 }
 183
 184                 // purge orphaned posts in main content table
 185                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 186                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 187
 188                 if ($do_output) {
 189                         $rows = db_affected_rows($link, $result);
 190                         _debug("Purged $rows orphaned posts.");
 191                 }
 192
 193         }
 194
 195         function purge_old_posts($link) {
 196
 197                 $user_id = $_SESSION["uid"];
 198
 199                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 200                         WHERE owner_uid = '$user_id'");
 201
 202                 while ($line = db_fetch_assoc($result)) {
 203
 204                         $feed_id = $line["id"];
 205                         $purge_interval = $line["purge_interval"];
 206
 207                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 208
 209                         if ($purge_interval > 0) {
 210                                 purge_feed($link, $feed_id, $purge_interval);
 211                         }
 212                 }
 213
 214                 // purge orphaned posts in main content table
 215                 db_query($link, "DELETE FROM ttrss_entries WHERE
 216                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 217         }
 218
 219         function get_feed_update_interval($link, $feed_id) {
 220                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 221                         ttrss_feeds WHERE id = '$feed_id'");
 222
 223                 if (db_num_rows($result) == 1) {
 224                         $update_interval = db_fetch_result($result, 0, "update_interval");
 225                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 226
 227                         if ($update_interval != 0) {
 228                                 return $update_interval;
 229                         } else {
 230                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 231                         }
 232
 233                 } else {
 234                         return -1;
 235                 }
 236         }
 237
 238         function update_all_feeds($link, $fetch, $user_id = false, $force_daemon = false) {
 239
 240                 if (WEB_DEMO_MODE) return;
 241
 242                 if (!$user_id) {
 243                         $user_id = $_SESSION["uid"];
 244                         purge_old_posts($link);
 245                 }
 246
 247 //              db_query($link, "BEGIN");
 248
 249                 if (MAX_UPDATE_TIME > 0) {
 250                         if (DB_TYPE == "mysql") {
 251                                 $q_order = "RAND()";
 252                         } else {
 253                                 $q_order = "RANDOM()";
 254                         }
 255                 } else {
 256                         $q_order = "last_updated DESC";
 257                 }
 258
 259                 $result = db_query($link, "SELECT feed_url,id,
 260                         SUBSTRING(last_updated,1,19) AS last_updated,
 261                         update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'
 262                         ORDER BY $q_order");
 263
 264                 $upd_start = time();
 265
 266                 while ($line = db_fetch_assoc($result)) {
 267                         $upd_intl = $line["update_interval"];
 268
 269                         if (!$upd_intl || $upd_intl == 0) {
 270                                 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id, false);
 271                         }
 272
 273                         if ($upd_intl < 0) {
 274                                 // Updates for this feed are disabled
 275                                 continue;
 276                         }
 277
 278                         if ($fetch || (!$line["last_updated"] ||
 279                                 time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
 280
 281 //                              print "<!-- feed: ".$line["feed_url"]." -->";
 282
 283                                 update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
 284
 285                                 $upd_elapsed = time() - $upd_start;
 286
 287                                 if (MAX_UPDATE_TIME > 0 && $upd_elapsed > MAX_UPDATE_TIME) {
 288                                         return;
 289                                 }
 290                         }
 291                 }
 292
 293 //              db_query($link, "COMMIT");
 294
 295         }
 296
 297         function fetch_file_contents($url) {
 298                 if (USE_CURL_FOR_ICONS) {
 299                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
 300
 301                         $ch = curl_init($url);
 302                         $fp = fopen($tmpfile, "w");
 303
 304                         if ($fp) {
 305                                 curl_setopt($ch, CURLOPT_FILE, $fp);
 306                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 307                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 308                                 curl_exec($ch);
 309                                 curl_close($ch);
 310                                 fclose($fp);
 311                         }
 312
 313                         $contents =  file_get_contents($tmpfile);
 314                         unlink($tmpfile);
 315
 316                         return $contents;
 317
 318                 } else {
 319                         return file_get_contents($url);
 320                 }
 321
 322         }
 323
 324         // adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 325         // http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 326
 327         function get_favicon_url($url) {
 328
 329                 if ($html = @fetch_file_contents($url)) {
 330
 331                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 332                                 // Attempt to grab a favicon link from their webpage url
 333                                 $linkUrl = html_entity_decode($matches[1]);
 334
 335                                 if (substr($linkUrl, 0, 1) == '/') {
 336                                         $urlParts = parse_url($url);
 337                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 338                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 339                                         $faviconURL = $linkUrl;
 340                                 } else if (substr($url, -1, 1) == '/') {
 341                                         $faviconURL = $url.$linkUrl;
 342                                 } else {
 343                                         $faviconURL = $url.'/'.$linkUrl;
 344                                 }
 345
 346                         } else {
 347                                 // If unsuccessful, attempt to "guess" the favicon location
 348                                 $urlParts = parse_url($url);
 349                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 350                         }
 351                 }
 352
 353                 // Run a test to see if what we have attempted to get actually exists.
 354                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 355                         return $faviconURL;
 356                 } else {
 357                         return false;
 358                 }
 359         }
 360
 361         function url_validate($link) {
 362
 363                 $url_parts = @parse_url($link);
 364
 365                 if ( empty( $url_parts["host"] ) )
 366                                 return false;
 367
 368                 if ( !empty( $url_parts["path"] ) ) {
 369                                 $documentpath = $url_parts["path"];
 370                 } else {
 371                                 $documentpath = "/";
 372                 }
 373
 374                 if ( !empty( $url_parts["query"] ) )
 375                                 $documentpath .= "?" . $url_parts["query"];
 376
 377                 $host = $url_parts["host"];
 378                 $port = $url_parts["port"];
 379
 380                 if ( empty($port) )
 381                                 $port = "80";
 382
 383                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 384
 385                 if ( !$socket )
 386                                 return false;
 387
 388                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 389
 390                 $http_response = fgets( $socket, 22 );
 391
 392                 $responses = "/(200 OK)|(30[0-9] Moved)/";
 393                 if ( preg_match($responses, $http_response) ) {
 394                                 fclose($socket);
 395                                 return true;
 396                 } else {
 397                                 return false;
 398                 }
 399
 400         }
 401
 402         function check_feed_favicon($site_url, $feed, $link) {
 403                 $favicon_url = get_favicon_url($site_url);
 404
 405 #               print "FAVICON [$site_url]: $favicon_url\n";
 406
 407                 error_reporting(0);
 408
 409                 $icon_file = ICONS_DIR . "/$feed.ico";
 410
 411                 if ($favicon_url && !file_exists($icon_file)) {
 412                         $contents = fetch_file_contents($favicon_url);
 413
 414                         $fp = fopen($icon_file, "w");
 415
 416                         if ($fp) {
 417                                 fwrite($fp, $contents);
 418                                 fclose($fp);
 419                                 chmod($icon_file, 0644);
 420                         }
 421                 }
 422
 423                 error_reporting(DEFAULT_ERROR_LEVEL);
 424
 425         }
 426
 427         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 428
 429                 if (!$_GET["daemon"] && !$ignore_daemon) {
 430                         return;
 431                 }
 432
 433                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 434                         _debug("update_rss_feed: start");
 435                 }
 436
 437                 $result = db_query($link, "SELECT id,update_interval,auth_login,auth_pass,cache_images
 438                         FROM ttrss_feeds WHERE id = '$feed'");
 439
 440                 if (db_num_rows($result) == 0) {
 441                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 442                                 _debug("update_rss_feed: feed $feed [$feed_url] NOT FOUND");
 443                         }
 444                         return;
 445                 }
 446
 447                 $auth_login = db_fetch_result($result, 0, "auth_login");
 448                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 449
 450                 if (!ENABLE_SIMPLEPIE) {
 451                         $auth_login = urlencode($auth_login);
 452                         $auth_pass = urlencode($auth_pass);
 453                 }
 454
 455                 $update_interval = db_fetch_result($result, 0, "update_interval");
 456                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 457
 458                 if ($update_interval < 0) { return; }
 459
 460                 $feed = db_escape_string($feed);
 461
 462                 $fetch_url = $feed_url;
 463
 464                 if ($auth_login && $auth_pass) {
 465                         $url_parts = array();
 466                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 467
 468                         if ($url_parts[1] && $url_parts[2]) {
 469                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 470                         }
 471
 472                 }
 473
 474                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 475                         _debug("update_rss_feed: fetching [$fetch_url]...");
 476                 }
 477
 478                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_GET['xdebug']) {
 479                         error_reporting(0);
 480                 }
 481
 482                 if (!ENABLE_SIMPLEPIE) {
 483                         $rss = fetch_rss($fetch_url);
 484                 } else {
 485                         if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 486                                 mkdir(SIMPLEPIE_CACHE_DIR);
 487                         }
 488
 489                         $rss = new SimplePie();
 490                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 491 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
 492                         $rss->set_feed_url($fetch_url);
 493                         $rss->set_output_encoding('UTF-8');
 494
 495                         if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 496                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 497                                         _debug("enabling image cache");
 498                                 }
 499
 500                                 $rss->set_image_handler('./image.php', 'i');
 501                         }
 502
 503                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 504                                 _debug("feed update interval (sec): " .
 505                                         get_feed_update_interval($link, $feed)*60);
 506                         }
 507
 508                         if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 509                                 $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 510                                 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 511                         }
 512
 513                         $rss->init();
 514                 }
 515
 516 //              print_r($rss);
 517
 518                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 519                         _debug("update_rss_feed: fetch done, parsing...");
 520                 } else {
 521                         error_reporting (DEFAULT_ERROR_LEVEL);
 522                 }
 523
 524                 $feed = db_escape_string($feed);
 525
 526                 if (ENABLE_SIMPLEPIE) {
 527                         $fetch_ok = !$rss->error();
 528                 } else {
 529                         $fetch_ok = !!$rss;
 530                 }
 531
 532                 if ($fetch_ok) {
 533
 534                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 535                                 _debug("update_rss_feed: processing feed data...");
 536                         }
 537
 538 //                      db_query($link, "BEGIN");
 539
 540                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 541                                 FROM ttrss_feeds WHERE id = '$feed'");
 542
 543                         $registered_title = db_fetch_result($result, 0, "title");
 544                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 545                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 546
 547                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 548
 549                         if (ENABLE_SIMPLEPIE) {
 550                                 $site_url = $rss->get_link();
 551                         } else {
 552                                 $site_url = $rss->channel["link"];
 553                         }
 554
 555                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 556                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 557                                         _debug("update_rss_feed: checking favicon...");
 558                                 }
 559
 560                                 check_feed_favicon($site_url, $feed, $link);
 561                         }
 562
 563                         if (!$registered_title || $registered_title == "[Unknown]") {
 564
 565                                 if (ENABLE_SIMPLEPIE) {
 566                                         $feed_title = db_escape_string($rss->get_title());
 567                                 } else {
 568                                         $feed_title = db_escape_string($rss->channel["title"]);
 569                                 }
 570
 571                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 572                                         _debug("update_rss_feed: registering title: $feed_title");
 573                                 }
 574
 575                                 db_query($link, "UPDATE ttrss_feeds SET
 576                                         title = '$feed_title' WHERE id = '$feed'");
 577                         }
 578
 579                         // weird, weird Magpie
 580                         if (!ENABLE_SIMPLEPIE) {
 581                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 582                         }
 583
 584                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 585                                 db_query($link, "UPDATE ttrss_feeds SET
 586                                         site_url = '$site_url' WHERE id = '$feed'");
 587                         }
 588
 589 //                      print "I: " . $rss->channel["image"]["url"];
 590
 591                         if (!ENABLE_SIMPLEPIE) {
 592                                 $icon_url = $rss->image["url"];
 593                         } else {
 594                                 $icon_url = $rss->get_image_url();
 595                         }
 596
 597                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 598                                 $icon_url = db_escape_string($icon_url);
 599                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 600                         }
 601
 602                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 603                                 _debug("update_rss_feed: loading filters...");
 604                         }
 605
 606                         $filters = array();
 607
 608                         $result = db_query($link, "SELECT reg_exp,
 609                                 ttrss_filter_types.name AS name,
 610                                 ttrss_filter_actions.name AS action,
 611                                 inverse,
 612                                 action_param
 613                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
 614                                         enabled = true AND
 615                                         owner_uid = $owner_uid AND
 616                                         ttrss_filter_types.id = filter_type AND
 617                                         ttrss_filter_actions.id = action_id AND
 618                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
 619
 620                         while ($line = db_fetch_assoc($result)) {
 621                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
 622
 623                                 $filter["reg_exp"] = $line["reg_exp"];
 624                                 $filter["action"] = $line["action"];
 625                                 $filter["action_param"] = $line["action_param"];
 626                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
 627
 628                                 array_push($filters[$line["name"]], $filter);
 629                         }
 630
 631                         if (ENABLE_SIMPLEPIE) {
 632                                 $iterator = $rss->get_items();
 633                         } else {
 634                                 $iterator = $rss->items;
 635                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 636                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 637                         }
 638
 639                         if (!is_array($iterator)) {
 640                                 /* db_query($link, "UPDATE ttrss_feeds
 641                                         SET last_error = 'Parse error: can\'t find any articles.'
 642                                         WHERE id = '$feed'"); */
 643
 644                                 // clear any errors and mark feed as updated if fetched okay
 645                                 // even if it's blank
 646
 647                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 648                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 649                                 }
 650
 651                                 db_query($link, "UPDATE ttrss_feeds
 652                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 653
 654                                 return; // no articles
 655                         }
 656
 657                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 658                                 _debug("update_rss_feed: processing articles...");
 659                         }
 660
 661                         foreach ($iterator as $item) {
 662
 663                                 if (ENABLE_SIMPLEPIE) {
 664                                         $entry_guid = $item->get_id();
 665                                         if (!$entry_guid) $entry_guid = $item->get_link();
 666                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 667
 668                                 } else {
 669
 670                                         $entry_guid = $item["id"];
 671
 672                                         if (!$entry_guid) $entry_guid = $item["guid"];
 673                                         if (!$entry_guid) $entry_guid = $item["link"];
 674                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 675                                 }
 676
 677                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 678                                         _debug("update_rss_feed: guid $entry_guid");
 679                                 }
 680
 681                                 if (!$entry_guid) continue;
 682
 683                                 $entry_timestamp = "";
 684
 685                                 if (ENABLE_SIMPLEPIE) {
 686                                         $entry_timestamp = strtotime($item->get_date());
 687                                 } else {
 688                                         $rss_2_date = $item['pubdate'];
 689                                         $rss_1_date = $item['dc']['date'];
 690                                         $atom_date = $item['issued'];
 691                                         if (!$atom_date) $atom_date = $item['updated'];
 692
 693                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 694                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 695                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 696                                 }
 697
 698                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 699                                         _debug("update_rss_feed: date $entry_timestamp");
 700                                 }
 701
 702                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 703                                         $entry_timestamp = time();
 704                                         $no_orig_date = 'true';
 705                                 } else {
 706                                         $no_orig_date = 'false';
 707                                 }
 708
 709                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 710
 711                                 if (ENABLE_SIMPLEPIE) {
 712                                         $entry_title = $item->get_title();
 713                                 } else {
 714                                         $entry_title = trim(strip_tags($item["title"]));
 715                                 }
 716
 717                                 if (ENABLE_SIMPLEPIE) {
 718                                         $entry_link = $item->get_link();
 719                                 } else {
 720                                         // strange Magpie workaround
 721                                         $entry_link = $item["link_"];
 722                                         if (!$entry_link) $entry_link = $item["link"];
 723                                 }
 724
 725                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 726                                         _debug("update_rss_feed: title $entry_title");
 727                                 }
 728
 729                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 730
 731                                 $entry_link = strip_tags($entry_link);
 732
 733                                 if (ENABLE_SIMPLEPIE) {
 734                                         $entry_content = $item->get_description();
 735                                 } else {
 736                                         $entry_content = $item["content:escaped"];
 737
 738                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 739                                         if (!$entry_content) $entry_content = $item["content"];
 740                                         if (!$entry_content) $entry_content = $item["atom_content"];
 741                                         if (!$entry_content) $entry_content = $item["summary"];
 742                                         if (!$entry_content) $entry_content = $item["description"];
 743
 744                                         // WTF
 745                                         if (is_array($entry_content)) {
 746                                                 $entry_content = $entry_content["encoded"];
 747                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 748                                         }
 749                                 }
 750
 751 //                              print_r($item);
 752 //                              print_r(htmlspecialchars($entry_content));
 753 //                              print "<br>";
 754
 755                                 $entry_content_unescaped = $entry_content;
 756
 757                                 if (ENABLE_SIMPLEPIE) {
 758                                         $entry_comments = strip_tags($item->data["comments"]);
 759                                         if ($item->get_author()) {
 760                                                 $entry_author_item = $item->get_author();
 761                                                 $entry_author = $entry_author_item->get_name();
 762                                         }
 763                                 } else {
 764                                         $entry_comments = strip_tags($item["comments"]);
 765
 766                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 767
 768                                         if ($item['author']) {
 769
 770                                                 if (is_array($item['author'])) {
 771
 772                                                         if (!$entry_author) {
 773                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 774                                                         }
 775
 776                                                         if (!$entry_author) {
 777                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 778                                                         }
 779                                                 }
 780
 781                                                 if (!$entry_author) {
 782                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 783                                                 }
 784                                         }
 785                                 }
 786
 787                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 788
 789                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 790
 791                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 792                                         WHERE guid = '$entry_guid'");
 793
 794                                 $entry_content = db_escape_string($entry_content);
 795
 796                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 797
 798                                 $entry_title = db_escape_string($entry_title);
 799                                 $entry_link = db_escape_string($entry_link);
 800                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 801                                 $entry_author = mb_substr($entry_author, 0, 250);
 802
 803                                 if (ENABLE_SIMPLEPIE) {
 804                                         $num_comments = 0; #FIXME#
 805                                 } else {
 806                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 807                                 }
 808
 809                                 if (!$num_comments) $num_comments = 0;
 810
 811                                 // parse <category> entries into tags
 812
 813                                 if (ENABLE_SIMPLEPIE) {
 814
 815                                         $additional_tags = array();
 816                                         $additional_tags_src = $item->get_categories();
 817
 818                                         if (is_array($additional_tags_src)) {
 819                                                 foreach ($additional_tags_src as $tobj) {
 820                                                         array_push($additional_tags, $tobj->get_term());
 821                                                 }
 822                                         }
 823
 824                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 825                                                 _debug("update_rss_feed: category tags:");
 826                                                 print_r($additional_tags);
 827                                         }
 828
 829                                 } else {
 830
 831                                         $t_ctr = $item['category#'];
 832
 833                                         $additional_tags = false;
 834
 835                                         if ($t_ctr == 0) {
 836                                                 $additional_tags = false;
 837                                         } else if ($t_ctr == 1) {
 838                                                 $additional_tags = array($item['category']);
 839                                         } else {
 840                                                 $additional_tags = array();
 841                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 842                                                         if ($item["category#$i"]) {
 843                                                                 array_push($additional_tags, $item["category#$i"]);
 844                                                         }
 845                                                 }
 846                                         }
 847
 848                                         // parse <dc:subject> elements
 849
 850                                         $t_ctr = $item['dc']['subject#'];
 851
 852                                         if ($t_ctr == 1) {
 853                                                 $additional_tags = array($item['dc']['subject']);
 854                                         } else if ($t_ctr > 1) {
 855                                                 $additional_tags = array();
 856                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 857                                                         if ($item['dc']["subject#$i"]) {
 858                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
 859                                                         }
 860                                                 }
 861                                         }
 862                                 }
 863
 864                                 # sanitize content
 865
 866 //                              $entry_content = sanitize_rss($entry_content);
 867
 868                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 869                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
 870                                 }
 871
 872                                 db_query($link, "BEGIN");
 873
 874                                 if (db_num_rows($result) == 0) {
 875
 876                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 877                                                 _debug("update_rss_feed: base guid not found");
 878                                         }
 879
 880                                         // base post entry does not exist, create it
 881
 882                                         $result = db_query($link,
 883                                                 "INSERT INTO ttrss_entries
 884                                                         (title,
 885                                                         guid,
 886                                                         link,
 887                                                         updated,
 888                                                         content,
 889                                                         content_hash,
 890                                                         no_orig_date,
 891                                                         date_entered,
 892                                                         comments,
 893                                                         num_comments,
 894                                                         author)
 895                                                 VALUES
 896                                                         ('$entry_title',
 897                                                         '$entry_guid',
 898                                                         '$entry_link',
 899                                                         '$entry_timestamp_fmt',
 900                                                         '$entry_content',
 901                                                         '$content_hash',
 902                                                         $no_orig_date,
 903                                                         NOW(),
 904                                                         '$entry_comments',
 905                                                         '$num_comments',
 906                                                         '$entry_author')");
 907                                 } else {
 908                                         // we keep encountering the entry in feeds, so we need to
 909                                         // update date_entered column so that we don't get horrible
 910                                         // dupes when the entry gets purged and reinserted again e.g.
 911                                         // in the case of SLOW SLOW OMG SLOW updating feeds
 912
 913                                         $base_entry_id = db_fetch_result($result, 0, "id");
 914
 915                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
 916                                                 WHERE id = '$base_entry_id'");
 917                                 }
 918
 919                                 // now it should exist, if not - bad luck then
 920
 921                                 $result = db_query($link, "SELECT
 922                                                 id,content_hash,no_orig_date,title,
 923                                                 substring(date_entered,1,19) as date_entered,
 924                                                 substring(updated,1,19) as updated,
 925                                                 num_comments
 926                                         FROM
 927                                                 ttrss_entries
 928                                         WHERE guid = '$entry_guid'");
 929
 930                                 if (db_num_rows($result) == 1) {
 931
 932                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 933                                                 _debug("update_rss_feed: base guid found, checking for user record");
 934                                         }
 935
 936                                         // this will be used below in update handler
 937                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
 938                                         $orig_title = db_fetch_result($result, 0, "title");
 939                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
 940                                         $orig_date_entered = strtotime(db_fetch_result($result,
 941                                                 0, "date_entered"));
 942
 943                                         $ref_id = db_fetch_result($result, 0, "id");
 944
 945                                         // check for user post link to main table
 946
 947                                         // do we allow duplicate posts with same GUID in different feeds?
 948                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
 949                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
 950                                         } else {
 951                                                 $dupcheck_qpart = "";
 952                                         }
 953
 954 //                                      error_reporting(0);
 955
 956                                         $article_filters = get_article_filters($filters, $entry_title,
 957                                                         $entry_content, $entry_link);
 958
 959                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 960                                                 _debug("update_rss_feed: article filters: ");
 961                                                 if (count($article_filters) != 0) {
 962                                                         print_r($article_filters);
 963                                                 }
 964                                         }
 965
 966                                         if (find_article_filter($article_filters, "filter")) {
 967                                                 continue;
 968                                         }
 969
 970 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
 971
 972                                         $result = db_query($link,
 973                                                 "SELECT ref_id FROM ttrss_user_entries WHERE
 974                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
 975                                                         $dupcheck_qpart");
 976
 977                                         // okay it doesn't exist - create user entry
 978                                         if (db_num_rows($result) == 0) {
 979
 980                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 981                                                         _debug("update_rss_feed: user record not found, creating...");
 982                                                 }
 983
 984                                                 if (!find_article_filter($article_filters, 'catchup')) {
 985                                                         $unread = 'true';
 986                                                         $last_read_qpart = 'NULL';
 987                                                 } else {
 988                                                         $unread = 'false';
 989                                                         $last_read_qpart = 'NOW()';
 990                                                 }
 991
 992                                                 if (find_article_filter($article_filters, 'mark')) {
 993                                                         $marked = 'true';
 994                                                 } else {
 995                                                         $marked = 'false';
 996                                                 }
 997
 998                                                 if (find_article_filter($article_filters, 'publish')) {
 999                                                         $published = 'true';
1000                                                 } else {
1001                                                         $published = 'false';
1002                                                 }
1003
1004                                                 $result = db_query($link,
1005                                                         "INSERT INTO ttrss_user_entries
1006                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked, published)
1007                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1008                                                                 $last_read_qpart, $marked, $published)");
1009                                         }
1010
1011                                         $post_needs_update = false;
1012
1013                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1014                                                 ($content_hash != $orig_content_hash)) {
1015 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1016                                                 $post_needs_update = true;
1017                                         }
1018
1019                                         if (db_escape_string($orig_title) != $entry_title) {
1020                                                 $post_needs_update = true;
1021                                         }
1022
1023                                         if ($orig_num_comments != $num_comments) {
1024                                                 $post_needs_update = true;
1025                                         }
1026
1027 //                                      this doesn't seem to be very reliable
1028 //
1029 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1030 //                                              $post_needs_update = true;
1031 //                                      }
1032
1033                                         // if post needs update, update it and mark all user entries
1034                                         // linking to this post as updated
1035                                         if ($post_needs_update) {
1036
1037                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1038                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1039                                                 }
1040
1041 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1042
1043                                                 db_query($link, "UPDATE ttrss_entries
1044                                                         SET title = '$entry_title', content = '$entry_content',
1045                                                                 content_hash = '$content_hash',
1046                                                                 num_comments = '$num_comments'
1047                                                         WHERE id = '$ref_id'");
1048
1049                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1050                                                         db_query($link, "UPDATE ttrss_user_entries
1051                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1052                                                 } else {
1053                                                         db_query($link, "UPDATE ttrss_user_entries
1054                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1055                                                 }
1056
1057                                         }
1058                                 }
1059
1060                                 db_query($link, "COMMIT");
1061
1062                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1063                                         _debug("update_rss_feed: looking for tags...");
1064                                 }
1065
1066                                 /* taaaags */
1067                                 // <a href="..." rel="tag">Xorg</a>, //
1068
1069                                 $entry_tags = null;
1070
1071                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1072                                         $entry_content_unescaped, $entry_tags);
1073
1074 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1075                                 print_r($entry_tags);
1076                                 print "<br/></p>"; */
1077
1078                                 $entry_tags = $entry_tags[1];
1079
1080                                 # check for manual tags
1081
1082                                 $tag_filter = find_article_filter($article_filters, "tag");
1083
1084                                 if ($tag_filter) {
1085
1086                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1087
1088                                         foreach ($manual_tags as $tag) {
1089                                                 if (tag_is_valid($tag)) {
1090                                                         array_push($entry_tags, $tag);
1091                                                 }
1092                                         }
1093                                 }
1094
1095                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1096                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1097
1098                                 if ($additional_tags && is_array($additional_tags)) {
1099                                         foreach ($additional_tags as $tag) {
1100                                                 if (tag_is_valid($tag) &&
1101                                                                 array_search($tag, $boring_tags) === FALSE) {
1102                                                         array_push($entry_tags, $tag);
1103                                                 }
1104                                         }
1105                                 }
1106
1107 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1108
1109                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1110                                         print_r($entry_tags);
1111                                 }
1112
1113                                 if (count($entry_tags) > 0) {
1114
1115                                         db_query($link, "BEGIN");
1116
1117                                         $result = db_query($link, "SELECT id,int_id
1118                                                 FROM ttrss_entries,ttrss_user_entries
1119                                                 WHERE guid = '$entry_guid'
1120                                                 AND feed_id = '$feed' AND ref_id = id
1121                                                 AND owner_uid = '$owner_uid'");
1122
1123                                         if (db_num_rows($result) == 1) {
1124
1125                                                 $entry_id = db_fetch_result($result, 0, "id");
1126                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1127
1128                                                 foreach ($entry_tags as $tag) {
1129
1130                                                         $tag = sanitize_tag($tag);
1131                                                         $tag = db_escape_string($tag);
1132
1133                                                         if (!tag_is_valid($tag)) continue;
1134
1135                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1136                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1137                                                                 owner_uid = '$owner_uid' LIMIT 1");
1138
1139         //                                              print db_fetch_result($result, 0, "id");
1140
1141                                                         if ($result && db_num_rows($result) == 0) {
1142
1143                                                                 db_query($link, "INSERT INTO ttrss_tags
1144                                                                         (owner_uid,tag_name,post_int_id)
1145                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1146                                                         }
1147                                                 }
1148                                         }
1149                                         db_query($link, "COMMIT");
1150                                 }
1151
1152                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1153                                         _debug("update_rss_feed: article processed");
1154                                 }
1155                         }
1156
1157                         db_query($link, "UPDATE ttrss_feeds
1158                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1159
1160 //                      db_query($link, "COMMIT");
1161
1162                 } else {
1163
1164                         if (ENABLE_SIMPLEPIE) {
1165                                 $error_msg = mb_substr($rss->error(), 0, 250);
1166                         } else {
1167                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1168                         }
1169
1170                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1171                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1172                         }
1173
1174                         $error_msg = db_escape_string($error_msg);
1175
1176                         db_query($link,
1177                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1178                                         last_updated = NOW() WHERE id = '$feed'");
1179                 }
1180
1181                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1182                         _debug("update_rss_feed: done");
1183                 }
1184
1185         }
1186
1187         function print_select($id, $default, $values, $attributes = "") {
1188                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1189                 foreach ($values as $v) {
1190                         if ($v == $default)
1191                                 $sel = " selected";
1192                          else
1193                                 $sel = "";
1194
1195                         print "<option$sel>$v</option>";
1196                 }
1197                 print "</select>";
1198         }
1199
1200         function print_select_hash($id, $default, $values, $attributes = "") {
1201                 print "<select name=\"$id\" id='$id' $attributes>";
1202                 foreach (array_keys($values) as $v) {
1203                         if ($v == $default)
1204                                 $sel = "selected";
1205                          else
1206                                 $sel = "";
1207
1208                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1209                 }
1210
1211                 print "</select>";
1212         }
1213
1214         function get_article_filters($filters, $title, $content, $link) {
1215                 $matches = array();
1216
1217                 if ($filters["title"]) {
1218                         foreach ($filters["title"] as $filter) {
1219                                 $reg_exp = $filter["reg_exp"];
1220                                 $inverse = $filter["inverse"];
1221                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1222                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1223
1224                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1225                                 }
1226                         }
1227                 }
1228
1229                 if ($filters["content"]) {
1230                         foreach ($filters["content"] as $filter) {
1231                                 $reg_exp = $filter["reg_exp"];
1232                                 $inverse = $filter["inverse"];
1233
1234                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1235                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1236
1237                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1238                                 }
1239                         }
1240                 }
1241
1242                 if ($filters["both"]) {
1243                         foreach ($filters["both"] as $filter) {
1244                                 $reg_exp = $filter["reg_exp"];
1245                                 $inverse = $filter["inverse"];
1246
1247                                 if ($inverse) {
1248                                         if (!preg_match("/$reg_exp/i", $title) || !preg_match("/$reg_exp/i", $content)) {
1249                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1250                                         }
1251                                 } else {
1252                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1253                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1254                                         }
1255                                 }
1256                         }
1257                 }
1258
1259                 if ($filters["link"]) {
1260                         $reg_exp = $filter["reg_exp"];
1261                         foreach ($filters["link"] as $filter) {
1262                                 $reg_exp = $filter["reg_exp"];
1263                                 $inverse = $filter["inverse"];
1264
1265                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1266                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1267
1268                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1269                                 }
1270                         }
1271                 }
1272
1273                 return $matches;
1274         }
1275
1276         function find_article_filter($filters, $filter_name) {
1277                 foreach ($filters as $f) {
1278                         if ($f[0] == $filter_name) {
1279                                 return $f;
1280                         };
1281                 }
1282                 return false;
1283         }
1284
1285         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1286                 $rtl_content = false, $last_updated = false, $last_error = false) {
1287
1288                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1289                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1290                 } else {
1291                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1292                 }
1293
1294                 if ($rtl_content) {
1295                         $rtl_tag = "dir=\"rtl\"";
1296                 } else {
1297                         $rtl_tag = "dir=\"ltr\"";
1298                 }
1299
1300                 $error_notify_msg = "";
1301
1302                 if ($last_error) {
1303                         $link_title = "Error: $last_error ($last_updated)";
1304                         $error_notify_msg = "(Error)";
1305                 } else if ($last_updated) {
1306                         $link_title = "Updated: $last_updated";
1307                 }
1308
1309                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1310                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1311
1312                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1313                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1314                         print "$feed_icon";
1315                 }
1316
1317                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1318
1319                 if ($unread != 0) {
1320                         $fctr_class = "";
1321                 } else {
1322                         $fctr_class = "class=\"invisible\"";
1323                 }
1324
1325                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1326                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1327
1328                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1329                         print "<div class=\"feedExtInfo\">
1330                                 <span id=\"FLUPD-$feed_id\">$last_updated $error_notify_msg</span></div>";
1331                 }
1332
1333                 print "</li>";
1334
1335         }
1336
1337         function getmicrotime() {
1338                 list($usec, $sec) = explode(" ",microtime());
1339                 return ((float)$usec + (float)$sec);
1340         }
1341
1342         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1343                 foreach ($values as $v) {
1344
1345                         if ($v == $default)
1346                                 $sel = "checked";
1347                          else
1348                                 $sel = "";
1349
1350                         if ($v == $true_is) {
1351                                 $sel .= " value=\"1\"";
1352                         } else {
1353                                 $sel .= " value=\"0\"";
1354                         }
1355
1356                         print "<input class=\"noborder\"
1357                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1358
1359                 }
1360         }
1361
1362         function initialize_user_prefs($link, $uid) {
1363
1364                 $uid = db_escape_string($uid);
1365
1366                 db_query($link, "BEGIN");
1367
1368                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1369
1370                 $u_result = db_query($link, "SELECT pref_name
1371                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1372
1373                 $active_prefs = array();
1374
1375                 while ($line = db_fetch_assoc($u_result)) {
1376                         array_push($active_prefs, $line["pref_name"]);
1377                 }
1378
1379                 while ($line = db_fetch_assoc($result)) {
1380                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1381 //                              print "adding " . $line["pref_name"] . "<br>";
1382
1383                                 db_query($link, "INSERT INTO ttrss_user_prefs
1384                                         (owner_uid,pref_name,value) VALUES
1385                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1386
1387                         }
1388                 }
1389
1390                 db_query($link, "COMMIT");
1391
1392         }
1393
1394         function lookup_user_id($link, $user) {
1395
1396                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1397                         login = '$login'");
1398
1399                 if (db_num_rows($result) == 1) {
1400                         return db_fetch_result($result, 0, "id");
1401                 } else {
1402                         return false;
1403                 }
1404         }
1405
1406         function http_authenticate_user($link) {
1407
1408                 error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1409
1410                 if (!$_SERVER["PHP_AUTH_USER"]) {
1411
1412                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1413                         header('HTTP/1.0 401 Unauthorized');
1414                         exit;
1415
1416                 } else {
1417                         $auth_result = authenticate_user($link,
1418                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1419
1420                         if (!$auth_result) {
1421                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1422                                 header('HTTP/1.0 401 Unauthorized');
1423                                 exit;
1424                         }
1425                 }
1426
1427                 return true;
1428         }
1429
1430         function authenticate_user($link, $login, $password, $force_auth = false) {
1431
1432                 if (!SINGLE_USER_MODE) {
1433
1434                         $pwd_hash1 = encrypt_password($password);
1435                         $pwd_hash2 = encrypt_password($password, $login);
1436
1437                         if ($force_auth && defined('_DEBUG_USER_SWITCH')) {
1438                                 $query = "SELECT id,login,access_level
1439                     FROM ttrss_users WHERE
1440                          login = '$login'";
1441                         } else {
1442                                 $query = "SELECT id,login,access_level,pwd_hash
1443                     FROM ttrss_users WHERE
1444                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1445                                                 pwd_hash = '$pwd_hash2')";
1446                         }
1447
1448                         $result = db_query($link, $query);
1449
1450                         if (db_num_rows($result) == 1) {
1451                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1452                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1453                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1454
1455                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1456                                         $_SESSION["uid"]);
1457
1458                                 $user_theme = get_user_theme_path($link);
1459
1460                                 $_SESSION["theme"] = $user_theme;
1461                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1462                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1463
1464                                 initialize_user_prefs($link, $_SESSION["uid"]);
1465
1466                                 return true;
1467                         }
1468
1469                         return false;
1470
1471                 } else {
1472
1473                         $_SESSION["uid"] = 1;
1474                         $_SESSION["name"] = "admin";
1475
1476                         $user_theme = get_user_theme_path($link);
1477
1478                         $_SESSION["theme"] = $user_theme;
1479                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1480
1481                         initialize_user_prefs($link, $_SESSION["uid"]);
1482
1483                         return true;
1484                 }
1485         }
1486
1487         function make_password($length = 8) {
1488
1489                 $password = "";
1490                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1491
1492         $i = 0;
1493
1494                 while ($i < $length) {
1495                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1496
1497                         if (!strstr($password, $char)) {
1498                                 $password .= $char;
1499                                 $i++;
1500                         }
1501                 }
1502                 return $password;
1503         }
1504
1505         // this is called after user is created to initialize default feeds, labels
1506         // or whatever else
1507
1508         // user preferences are checked on every login, not here
1509
1510         function initialize_user($link, $uid) {
1511
1512                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1513                         values ('$uid','unread = true', 'Unread articles')");
1514
1515                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1516                         values ('$uid','last_read is null and unread = false', 'Updated articles')");
1517
1518                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1519                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1520                         'http://tt-rss.spb.ru/releases.rss')");
1521
1522                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1523                         values ('$uid', 'Tiny Tiny RSS: Forum',
1524                         'http://tt-rss.spb.ru/forum/rss.php')");
1525         }
1526
1527         function logout_user() {
1528                 session_destroy();
1529                 if (isset($_COOKIE[session_name()])) {
1530                    setcookie(session_name(), '', time()-42000, '/');
1531                 }
1532         }
1533
1534         function get_script_urlpath() {
1535                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1536         }
1537
1538         function validate_session($link) {
1539                 if (SINGLE_USER_MODE) {
1540                         return true;
1541                 }
1542
1543                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1544                         if ($_SESSION["ip_address"]) {
1545                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1546                                         $_SESSION["login_error_msg"] = "Session failed to validate (incorrect IP)";
1547                                         return false;
1548                                 }
1549                         }
1550                 }
1551
1552                 if ($_SESSION["uid"]) {
1553
1554                         $result = db_query($link,
1555                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1556
1557                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1558
1559                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1560                                 return false;
1561                         }
1562                 }
1563
1564 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1565
1566                         //print_r($_SESSION);
1567
1568                         if (time() > $_SESSION["cookie_lifetime"]) {
1569                                 return false;
1570                         }
1571                 } */
1572
1573                 return true;
1574         }
1575
1576         function login_sequence($link, $mobile = false) {
1577                 if (!SINGLE_USER_MODE) {
1578
1579                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1580                                 $swu = db_escape_string($_REQUEST["swu"]);
1581                                 if ($swu) {
1582                                         $_SESSION["prefs_cache"] = false;
1583                                         return authenticate_user($link, $swu, null, true);
1584                                 }
1585                         }
1586
1587                         $login_action = $_POST["login_action"];
1588
1589                         # try to authenticate user if called from login form
1590                         if ($login_action == "do_login") {
1591                                 $login = $_POST["login"];
1592                                 $password = $_POST["password"];
1593                                 $remember_me = $_POST["remember_me"];
1594
1595                                 if (authenticate_user($link, $login, $password)) {
1596                                         $_POST["password"] = "";
1597
1598                                         $_SESSION["language"] = $_POST["language"];
1599
1600                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1601                                         exit;
1602
1603                                         return;
1604                                 } else {
1605                                         $_SESSION["login_error_msg"] = "Incorrect username or password";
1606                                 }
1607                         }
1608
1609 //                      print session_id();
1610 //                      print_r($_SESSION);
1611
1612                         if (!$_SESSION["uid"] || !validate_session($link)) {
1613                                 render_login_form($link, $mobile);
1614                                 exit;
1615                         } else {
1616                                 /* bump login timestamp */
1617                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1618                                         $_SESSION["uid"]);
1619
1620                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1621                                         setcookie("ttrss_lang", $_SESSION["language"],
1622                                                 time() + SESSION_COOKIE_LIFETIME);
1623                                 }
1624                         }
1625
1626                 } else {
1627                         return authenticate_user($link, "admin", null);
1628                 }
1629         }
1630
1631         function truncate_string($str, $max_len) {
1632                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1633                         return mb_substr($str, 0, $max_len, "utf-8") . "...";
1634                 } else {
1635                         return $str;
1636                 }
1637         }
1638
1639         function get_user_theme_path($link) {
1640                 $result = db_query($link, "SELECT theme_path
1641                         FROM
1642                                 ttrss_themes,ttrss_users
1643                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1644                 if (db_num_rows($result) != 0) {
1645                         return db_fetch_result($result, 0, "theme_path");
1646                 } else {
1647                         return null;
1648                 }
1649         }
1650
1651         function smart_date_time($timestamp) {
1652                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1653                         return date("G:i", $timestamp);
1654                 } else if (date("Y", $timestamp) == date("Y")) {
1655                         return date("M d, G:i", $timestamp);
1656                 } else {
1657                         return date("Y/m/d, G:i", $timestamp);
1658                 }
1659         }
1660
1661         function smart_date($timestamp) {
1662                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1663                         return "Today";
1664                 } else if (date("Y", $timestamp) == date("Y")) {
1665                         return date("D m", $timestamp);
1666                 } else {
1667                         return date("Y/m/d", $timestamp);
1668                 }
1669         }
1670
1671         function sql_bool_to_string($s) {
1672                 if ($s == "t" || $s == "1") {
1673                         return "true";
1674                 } else {
1675                         return "false";
1676                 }
1677         }
1678
1679         function sql_bool_to_bool($s) {
1680                 if ($s == "t" || $s == "1") {
1681                         return true;
1682                 } else {
1683                         return false;
1684                 }
1685         }
1686
1687
1688         function toggleEvenOdd($a) {
1689                 if ($a == "even")
1690                         return "odd";
1691                 else
1692                         return "even";
1693         }
1694
1695         function sanity_check($link) {
1696
1697                 error_reporting(0);
1698
1699                 $error_code = 0;
1700                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1701                 $schema_version = db_fetch_result($result, 0, "schema_version");
1702
1703                 if ($schema_version != SCHEMA_VERSION) {
1704                         $error_code = 5;
1705                 }
1706
1707                 if (DB_TYPE == "mysql") {
1708                         $result = db_query($link, "SELECT true", false);
1709                         if (db_num_rows($result) != 1) {
1710                                 $error_code = 10;
1711                         }
1712                 }
1713
1714                 error_reporting (DEFAULT_ERROR_LEVEL);
1715
1716                 if ($error_code != 0) {
1717                         print_error_xml($error_code);
1718                         return false;
1719                 } else {
1720                         return true;
1721                 }
1722         }
1723
1724         function file_is_locked($filename) {
1725                 if (function_exists('flock')) {
1726                         error_reporting(0);
1727                         $fp = fopen($filename, "r");
1728                         error_reporting(DEFAULT_ERROR_LEVEL);
1729                         if ($fp) {
1730                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1731                                         flock($fp, LOCK_UN);
1732                                         fclose($fp);
1733                                         return false;
1734                                 }
1735                                 fclose($fp);
1736                                 return true;
1737                         }
1738                 }
1739                 return false;
1740         }
1741
1742         function make_lockfile($filename) {
1743                 $fp = fopen($filename, "w");
1744
1745                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1746                         return $fp;
1747                 } else {
1748                         return false;
1749                 }
1750         }
1751
1752         function make_stampfile($filename) {
1753                 $fp = fopen($filename, "w");
1754
1755                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1756                         fwrite($fp, time() . "\n");
1757                         flock($fp, LOCK_UN);
1758                         fclose($fp);
1759                         return true;
1760                 } else {
1761                         return false;
1762                 }
1763         }
1764
1765         function read_stampfile($filename) {
1766
1767                 error_reporting(0);
1768                 $fp = fopen($filename, "r");
1769                 error_reporting (DEFAULT_ERROR_LEVEL);
1770
1771                 if (flock($fp, LOCK_EX)) {
1772                         $stamp = fgets($fp);
1773                         flock($fp, LOCK_UN);
1774                         fclose($fp);
1775                         return $stamp;
1776                 } else {
1777                         return false;
1778                 }
1779         }
1780
1781         function sql_random_function() {
1782                 if (DB_TYPE == "mysql") {
1783                         return "RAND()";
1784                 } else {
1785                         return "RANDOM()";
1786                 }
1787         }
1788
1789         function catchup_feed($link, $feed, $cat_view) {
1790
1791                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1792
1793                                 if ($cat_view) {
1794
1795                                         if ($feed > 0) {
1796                                                 $cat_qpart = "cat_id = '$feed'";
1797                                         } else {
1798                                                 $cat_qpart = "cat_id IS NULL";
1799                                         }
1800
1801                                         $tmp_result = db_query($link, "SELECT id
1802                                                 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
1803                                                 $_SESSION["uid"]);
1804
1805                                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
1806
1807                                                 $tmp_feed = $tmp_line["id"];
1808
1809                                                 db_query($link, "UPDATE ttrss_user_entries
1810                                                         SET unread = false,last_read = NOW()
1811                                                         WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
1812                                         }
1813
1814                                 } else if ($feed > 0) {
1815
1816                                         $tmp_result = db_query($link, "SELECT id
1817                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
1818                                                 ORDER BY cat_id,title");
1819
1820                                         $parent_ids = array();
1821
1822                                         if (db_num_rows($tmp_result) > 0) {
1823                                                 while ($p = db_fetch_assoc($tmp_result)) {
1824                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
1825                                                 }
1826
1827                                                 $children_qpart = implode(" OR ", $parent_ids);
1828
1829                                                 db_query($link, "UPDATE ttrss_user_entries
1830                                                         SET unread = false,last_read = NOW()
1831                                                         WHERE (feed_id = '$feed' OR $children_qpart)
1832                                                         AND owner_uid = " . $_SESSION["uid"]);
1833
1834                                         } else {
1835                                                 db_query($link, "UPDATE ttrss_user_entries
1836                                                         SET unread = false,last_read = NOW()
1837                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
1838                                         }
1839
1840                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
1841
1842                                         if ($feed == -1) {
1843                                                 db_query($link, "UPDATE ttrss_user_entries
1844                                                         SET unread = false,last_read = NOW()
1845                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
1846                                         }
1847
1848                                         if ($feed == -2) {
1849                                                 db_query($link, "UPDATE ttrss_user_entries
1850                                                         SET unread = false,last_read = NOW()
1851                                                         WHERE published = true AND owner_uid = ".$_SESSION["uid"]);
1852                                         }
1853
1854                                         if ($feed == -3) {
1855
1856                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
1857
1858                                                 if (DB_TYPE == "pgsql") {
1859                                                         $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1860                                                 } else {
1861                                                         $match_part = "date_entered > DATE_SUB(NOW(),
1862                                                                 INTERVAL $intl HOUR) ";
1863                                                 }
1864
1865                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
1866                                                         ttrss_user_entries WHERE $match_part AND
1867                                                         unread = true AND
1868                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
1869                                                         owner_uid = ".$_SESSION["uid"]);
1870
1871                                                 $affected_ids = array();
1872
1873                                                 while ($line = db_fetch_assoc($result)) {
1874                                                         array_push($affected_ids, $line["id"]);
1875                                                 }
1876
1877                                                 catchupArticlesById($link, $affected_ids, 0);
1878                                         }
1879
1880                                 } else if ($feed < -10) { // label
1881
1882                                         // TODO make this more efficient
1883
1884                                         $label_id = -$feed - 11;
1885
1886                                         $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
1887                                                 WHERE id = '$label_id'");
1888
1889                                         if ($tmp_result) {
1890                                                 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
1891
1892                                                 db_query($link, "BEGIN");
1893
1894                                                 $tmp2_result = db_query($link,
1895                                                         "SELECT
1896                                                                 int_id
1897                                                         FROM
1898                                                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
1899                                                         WHERE
1900                                                                 ref_id = ttrss_entries.id AND
1901                                                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1902                                                                 $sql_exp AND
1903                                                                 ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
1904
1905                                                 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
1906                                                         db_query($link, "UPDATE
1907                                                                 ttrss_user_entries
1908                                                         SET
1909                                                                 unread = false, last_read = NOW()
1910                                                         WHERE
1911                                                                 int_id = " . $tmp_line["int_id"]);
1912                                                 }
1913
1914                                                 db_query($link, "COMMIT");
1915
1916 /*                                              db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
1917                                                         SET unread = false,last_read = NOW()
1918                                                         WHERE $sql_exp
1919                                                         AND ref_id = id
1920                                                         AND owner_uid = ".$_SESSION["uid"]); */
1921                                         }
1922                                 }
1923                         } else { // tag
1924                                 db_query($link, "BEGIN");
1925
1926                                 $tag_name = db_escape_string($feed);
1927
1928                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
1929                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
1930
1931                                 while ($line = db_fetch_assoc($result)) {
1932                                         db_query($link, "UPDATE ttrss_user_entries SET
1933                                                 unread = false, last_read = NOW()
1934                                                 WHERE int_id = " . $line["post_int_id"]);
1935                                 }
1936                                 db_query($link, "COMMIT");
1937                         }
1938         }
1939
1940         function update_generic_feed($link, $feed, $cat_view) {
1941                         if ($cat_view) {
1942
1943                                 if ($feed > 0) {
1944                                         $cat_qpart = "cat_id = '$feed'";
1945                                 } else {
1946                                         $cat_qpart = "cat_id IS NULL";
1947                                 }
1948
1949                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
1950                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
1951
1952                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
1953                                         $feed_url = $tmp_line["feed_url"];
1954                                         $feed_id = $tmp_line["id"];
1955                                         update_rss_feed($link, $feed_url, $feed_id, ENABLE_UPDATE_DAEMON);
1956                                 }
1957
1958                         } else {
1959                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1960                                         WHERE id = '$feed'");
1961                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
1962                                 update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1963                         }
1964         }
1965
1966         function getAllCounters($link, $omode = "flc", $active_feed = false) {
1967 /*              getLabelCounters($link);
1968                 getFeedCounters($link);
1969                 getTagCounters($link);
1970                 getGlobalCounters($link);
1971                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
1972                         getCategoryCounters($link);
1973                 } */
1974
1975                 if (!$omode) $omode = "flc";
1976
1977                 getGlobalCounters($link);
1978
1979                 if (strchr($omode, "l")) getLabelCounters($link);
1980                 if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
1981                 if (strchr($omode, "t")) getTagCounters($link);
1982                 if (strchr($omode, "c")) {
1983                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
1984                                 getCategoryCounters($link);
1985                         }
1986                 }
1987         }
1988
1989         function getCategoryCounters($link) {
1990                 # two special categories are -1 and -2 (all virtuals; all labels)
1991
1992                 $ctr = getCategoryUnread($link, -1);
1993
1994                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>";
1995
1996                 $ctr = getCategoryUnread($link, -2);
1997
1998                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
1999
2000                 $age_qpart = getMaxAgeSubquery();
2001
2002                 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
2003                                 FROM ttrss_user_entries, ttrss_entries WHERE feed_id = ttrss_feeds.id
2004                                         AND id = ref_id AND $age_qpart
2005                                         AND unread = true)) AS unread FROM ttrss_feeds
2006                         WHERE
2007                                 hidden = false AND owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
2008
2009                 while ($line = db_fetch_assoc($result)) {
2010                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
2011                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
2012                                 $line["unread"]."\"/>";
2013                 }
2014         }
2015
2016         function getCategoryUnread($link, $cat) {
2017
2018                 if ($cat >= 0) {
2019
2020                         if ($cat != 0) {
2021                                 $cat_query = "cat_id = '$cat'";
2022                         } else {
2023                                 $cat_query = "cat_id IS NULL";
2024                         }
2025
2026                         $age_qpart = getMaxAgeSubquery();
2027
2028                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2029                                         AND hidden = false
2030                                         AND owner_uid = " . $_SESSION["uid"]);
2031
2032                         $cat_feeds = array();
2033                         while ($line = db_fetch_assoc($result)) {
2034                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2035                         }
2036
2037                         if (count($cat_feeds) == 0) return 0;
2038
2039                         $match_part = implode(" OR ", $cat_feeds);
2040
2041                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2042                                 FROM ttrss_user_entries,ttrss_entries
2043                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2044                                 AND $age_qpart AND owner_uid = " . $_SESSION["uid"]);
2045
2046                         $unread = 0;
2047
2048                         # this needs to be rewritten
2049                         while ($line = db_fetch_assoc($result)) {
2050                                 $unread += $line["unread"];
2051                         }
2052
2053                         return $unread;
2054                 } else if ($cat == -1) {
2055                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
2056                 } else if ($cat == -2) {
2057
2058                         $rv = getLabelCounters($link, false, true);
2059                         $ctr = 0;
2060
2061                         foreach (array_keys($rv) as $k) {
2062                                 if ($k < -10) {
2063                                         $ctr += $rv[$k]["counter"];
2064                                 }
2065                         }
2066
2067                         return $ctr;
2068                 }
2069         }
2070
2071         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2072                 if (DB_TYPE == "pgsql") {
2073                         return "ttrss_entries.date_entered >
2074                                 NOW() - INTERVAL '$days days'";
2075                 } else {
2076                         return "ttrss_entries.date_entered >
2077                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2078                 }
2079         }
2080
2081         function getFeedUnread($link, $feed, $is_cat = false) {
2082                 $n_feed = sprintf("%d", $feed);
2083
2084                 $age_qpart = getMaxAgeSubquery();
2085
2086                 if ($is_cat) {
2087                         return getCategoryUnread($link, $n_feed);
2088                 } else if ($n_feed == -1) {
2089                         $match_part = "marked = true";
2090                 } else if ($n_feed == -2) {
2091                         $match_part = "published = true";
2092                 } else if ($n_feed == -3) {
2093                         $match_part = "unread = true";
2094
2095                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2096
2097                         if (DB_TYPE == "pgsql") {
2098                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2099                         } else {
2100                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2101                         }
2102
2103                 } else if ($n_feed > 0) {
2104
2105                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2106                                         WHERE parent_feed = '$n_feed'
2107                                         AND hidden = false
2108                                         AND owner_uid = " . $_SESSION["uid"]);
2109
2110                         if (db_num_rows($result) > 0) {
2111
2112                                 $linked_feeds = array();
2113                                 while ($line = db_fetch_assoc($result)) {
2114                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2115                                 }
2116
2117                                 array_push($linked_feeds, "feed_id = $n_feed");
2118
2119                                 $match_part = implode(" OR ", $linked_feeds);
2120
2121                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
2122                                         FROM ttrss_user_entries,ttrss_entries
2123                                         WHERE   unread = true AND
2124                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2125                                         $age_qpart AND
2126                                         ($match_part) AND
2127                                         owner_uid = " . $_SESSION["uid"]);
2128
2129                                 $unread = 0;
2130
2131                                 # this needs to be rewritten
2132                                 while ($line = db_fetch_assoc($result)) {
2133                                         $unread += $line["unread"];
2134                                 }
2135
2136                                 return $unread;
2137
2138                         } else {
2139                                 $match_part = "feed_id = '$n_feed'";
2140                         }
2141                 } else if ($feed < -10) {
2142
2143                         $label_id = -$feed - 11;
2144
2145                         $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
2146                                 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
2147
2148                         $match_part = db_fetch_result($result, 0, "sql_exp");
2149                 }
2150
2151                 if ($match_part) {
2152
2153                         $result = db_query($link, "SELECT count(int_id) AS unread
2154                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
2155                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2156                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2157                                 ttrss_feeds.hidden = false AND
2158                                 $age_qpart AND
2159                                 unread = true AND ($match_part) AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2160
2161                 } else {
2162
2163                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2164                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2165                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2166                                 AND unread = true AND $age_qpart AND
2167                                         ttrss_tags.owner_uid = " . $_SESSION["uid"]);
2168                 }
2169
2170                 $unread = db_fetch_result($result, 0, "unread");
2171
2172                 return $unread;
2173         }
2174
2175         /* FIXME this needs reworking */
2176
2177         function getGlobalUnread($link, $user_id = false) {
2178
2179                 if (!$user_id) {
2180                         $user_id = $_SESSION["uid"];
2181                 }
2182
2183                 $age_qpart = getMaxAgeSubquery();
2184
2185                 $result = db_query($link, "SELECT count(ttrss_entries.id) as c_id FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2186                         WHERE unread = true AND
2187                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
2188                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2189                         hidden = false AND
2190                         $age_qpart AND
2191                         ttrss_user_entries.owner_uid = '$user_id'");
2192                 $c_id = db_fetch_result($result, 0, "c_id");
2193                 return $c_id;
2194         }
2195
2196         function getGlobalCounters($link, $global_unread = -1) {
2197                 if ($global_unread == -1) {
2198                         $global_unread = getGlobalUnread($link);
2199                 }
2200                 print "<counter type=\"global\" id='global-unread'
2201                         counter='$global_unread'/>";
2202
2203                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2204                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2205
2206                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2207
2208                 print "<counter type=\"global\" id='subscribed-feeds'
2209                         counter='$subscribed_feeds'/>";
2210
2211         }
2212
2213         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2214
2215                 if ($smart_mode) {
2216                         if (!$_SESSION["tctr_last_value"]) {
2217                                 $_SESSION["tctr_last_value"] = array();
2218                         }
2219                 }
2220
2221                 $old_counters = $_SESSION["tctr_last_value"];
2222
2223                 $tctrs_modified = false;
2224
2225 /*              $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
2226                         FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
2227                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2228                         ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
2229                         post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
2230                 UNION
2231                         select tag_name,0 as count FROM ttrss_tags
2232                         WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
2233
2234                 $age_qpart = getMaxAgeSubquery();
2235
2236                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2237                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2238                                 AND ref_id = id AND $age_qpart
2239                                 AND unread = true)) AS count FROM ttrss_tags
2240                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2241                                 ORDER BY count DESC LIMIT 55");
2242
2243                 $tags = array();
2244
2245                 while ($line = db_fetch_assoc($result)) {
2246                         $tags[$line["tag_name"]] += $line["count"];
2247                 }
2248
2249                 foreach (array_keys($tags) as $tag) {
2250                         $unread = $tags[$tag];
2251
2252                         $tag = htmlspecialchars($tag);
2253
2254                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2255                                 $old_counters[$tag] = $unread;
2256                                 $tctrs_modified = true;
2257                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2258                         }
2259
2260                 }
2261
2262                 if ($smart_mode && $tctrs_modified) {
2263                         $_SESSION["tctr_last_value"] = $old_counters;
2264                 }
2265
2266         }
2267
2268         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2269
2270                 $age_qpart = getMaxAgeSubquery();
2271
2272                 if ($smart_mode) {
2273                         if (!$_SESSION["lctr_last_value"]) {
2274                                 $_SESSION["lctr_last_value"] = array();
2275                         }
2276                 }
2277
2278                 $ret_arr = array();
2279
2280                 $old_counters = $_SESSION["lctr_last_value"];
2281                 $lctrs_modified = false;
2282
2283                 $count = getFeedUnread($link, -1);
2284
2285                 if (!$ret_mode) {
2286                         print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
2287                 } else {
2288                         $ret_arr["-1"]["counter"] = $count;
2289                         $ret_arr["-1"]["description"] = __("Starred articles");
2290                 }
2291
2292                 $count = getFeedUnread($link, -2);
2293
2294                 if (!$ret_mode) {
2295                         print "<counter type=\"label\" id=\"-2\" counter=\"$count\"/>";
2296                 } else {
2297                         $ret_arr["-2"]["counter"] = $count;
2298                         $ret_arr["-2"]["description"] = __("Published articles");
2299                 }
2300
2301                 $count = getFeedUnread($link, -3);
2302
2303                 if (!$ret_mode) {
2304                         print "<counter type=\"label\" id=\"-3\" counter=\"$count\"/>";
2305                 } else {
2306                         $ret_arr["-3"]["counter"] = $count;
2307                         $ret_arr["-3"]["description"] = __("Fresh articles");
2308                 }
2309
2310
2311                 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
2312                         ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
2313
2314                 while ($line = db_fetch_assoc($result)) {
2315
2316                         $id = -$line["id"] - 11;
2317
2318                         $label_name = $line["description"];
2319
2320                         error_reporting (0);
2321
2322                         $tmp_result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_user_entries,ttrss_entries,ttrss_feeds
2323                                 WHERE (" . $line["sql_exp"] . ") AND unread = true AND
2324                                 ttrss_feeds.hidden = false AND
2325                                 $age_qpart AND
2326                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2327                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2328                                 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
2329
2330                         $count = db_fetch_result($tmp_result, 0, "count");
2331
2332                         if (!$smart_mode || $old_counters[$id] != $count) {
2333                                 $old_counters[$id] = $count;
2334                                 $lctrs_modified = true;
2335                                 if (!$ret_mode) {
2336                                         print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
2337                                 } else {
2338                                         $ret_arr[$id]["counter"] = $count;
2339                                         $ret_arr[$id]["description"] = $label_name;
2340                                 }
2341                         }
2342
2343                         error_reporting (DEFAULT_ERROR_LEVEL);
2344                 }
2345
2346                 if ($smart_mode && $lctrs_modified) {
2347                         $_SESSION["lctr_last_value"] = $old_counters;
2348                 }
2349
2350                 return $ret_arr;
2351         }
2352
2353 /*      function getFeedCounter($link, $id) {
2354
2355                 $result = db_query($link, "SELECT
2356                                 count(id) as count,last_error
2357                         FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2358                         WHERE feed_id = '$id' AND unread = true
2359                         AND ttrss_user_entries.feed_id = ttrss_feeds.id
2360                         AND ttrss_user_entries.ref_id = ttrss_entries.id");
2361
2362                         $count = db_fetch_result($result, 0, "count");
2363                         $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
2364
2365                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
2366         } */
2367
2368         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2369
2370                 $age_qpart = getMaxAgeSubquery();
2371
2372                 if ($smart_mode) {
2373                         if (!$_SESSION["fctr_last_value"]) {
2374                                 $_SESSION["fctr_last_value"] = array();
2375                         }
2376                 }
2377
2378                 $old_counters = $_SESSION["fctr_last_value"];
2379
2380 /*              $result = db_query($link, "SELECT id,last_error,parent_feed,
2381                         SUBSTRING(last_updated,1,19) AS last_updated,
2382                         (SELECT count(id)
2383                                 FROM ttrss_entries,ttrss_user_entries
2384                                 WHERE feed_id = ttrss_feeds.id AND
2385                                         ttrss_user_entries.ref_id = ttrss_entries.id
2386                                 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
2387                         FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
2388                         AND parent_feed IS NULL"); */
2389
2390                 $query = "SELECT ttrss_feeds.id,
2391                                 ttrss_feeds.title,
2392                                 SUBSTRING(ttrss_feeds.last_updated,1,19) AS last_updated,
2393                                 last_error,
2394                                 COUNT(ttrss_entries.id) AS count
2395                         FROM ttrss_feeds
2396                                 LEFT JOIN ttrss_user_entries ON (ttrss_user_entries.feed_id = ttrss_feeds.id
2397                                         AND ttrss_user_entries.owner_uid = ttrss_feeds.owner_uid
2398                                         AND ttrss_user_entries.unread = true)
2399                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id AND
2400                                         $age_qpart)
2401                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2402                                 AND parent_feed IS NULL
2403                         GROUP BY ttrss_feeds.id, ttrss_feeds.title, ttrss_feeds.last_updated, last_error";
2404
2405                 $result = db_query($link, $query);
2406                 $fctrs_modified = false;
2407
2408                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2409
2410                 while ($line = db_fetch_assoc($result)) {
2411
2412                         $id = $line["id"];
2413                         $count = $line["count"];
2414                         $last_error = htmlspecialchars($line["last_error"]);
2415
2416                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2417                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2418                         } else {
2419                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2420                         }
2421
2422                         $last_updated = htmlspecialchars($last_updated);
2423
2424                         $has_img = is_file(ICONS_DIR . "/$id.ico");
2425
2426                         $tmp_result = db_query($link,
2427                                 "SELECT ttrss_feeds.id,COUNT(unread) AS unread
2428                                 FROM ttrss_feeds LEFT JOIN ttrss_user_entries
2429                                         ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
2430                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id)
2431                                 WHERE parent_feed = '$id' AND $age_qpart AND unread = true GROUP BY ttrss_feeds.id");
2432
2433                         if (db_num_rows($tmp_result) > 0) {
2434                                 while ($l = db_fetch_assoc($tmp_result)) {
2435                                         $count += $l["unread"];
2436                                 }
2437                         }
2438
2439                         if (!$smart_mode || $old_counters[$id] != $count) {
2440                                 $old_counters[$id] = $count;
2441                                 $fctrs_modified = true;
2442
2443                                 if ($last_error) {
2444                                         $error_part = "error=\"$last_error\"";
2445                                 } else {
2446                                         $error_part = "";
2447                                 }
2448
2449                                 if ($has_img) {
2450                                         $has_img_part = "hi=\"$has_img\"";
2451                                 } else {
2452                                         $has_img_part = "";
2453                                 }
2454
2455                                 if ($active_feed && $id == $active_feed) {
2456                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2457                                 } else {
2458                                         $has_title_part = "";
2459                                 }
2460
2461                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $has_title_part/>";
2462                         }
2463                 }
2464
2465                 if ($smart_mode && $fctrs_modified) {
2466                         $_SESSION["fctr_last_value"] = $old_counters;
2467                 }
2468         }
2469
2470         function get_script_dt_add() {
2471                 if (strpos(VERSION, ".99") === false) {
2472                         return VERSION;
2473                 } else {
2474                         return time();
2475                 }
2476         }
2477
2478         function get_pgsql_version($link) {
2479                 $result = db_query($link, "SELECT version() AS version");
2480                 $version = split(" ", db_fetch_result($result, 0, "version"));
2481                 return $version[1];
2482         }
2483
2484         function print_error_xml($code, $add_msg = "") {
2485                 global $ERRORS;
2486
2487                 $error_msg = $ERRORS[$code];
2488
2489                 if ($add_msg) {
2490                         $error_msg = "$error_msg; $add_msg";
2491                 }
2492
2493                 print "<rpc-reply>";
2494                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2495                 print "</rpc-reply>";
2496         }
2497
2498         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2499                         $auth_login = '', $auth_pass = '') {
2500
2501                 # check for feed:http://url
2502                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2503
2504                 # check for feed://URL
2505                 if (strpos($feed_link, "//") === 0) {
2506                         $feed_link = "http:$feed_link";
2507                 }
2508
2509                 if ($feed_link == "") return;
2510
2511                 if ($cat_id == "0" || !$cat_id) {
2512                         $cat_qpart = "NULL";
2513                 } else {
2514                         $cat_qpart = "'$cat_id'";
2515                 }
2516
2517                 $result = db_query($link,
2518                         "SELECT id FROM ttrss_feeds
2519                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2520
2521                 if (db_num_rows($result) == 0) {
2522
2523                         $result = db_query($link,
2524                                 "INSERT INTO ttrss_feeds
2525                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2526                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2527                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2528
2529                         $result = db_query($link,
2530                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2531                                         AND owner_uid = " . $_SESSION["uid"]);
2532
2533                         $feed_id = db_fetch_result($result, 0, "id");
2534
2535                         if ($feed_id) {
2536                                 update_rss_feed($link, $feed_link, $feed_id, true);
2537                         }
2538
2539                         return true;
2540                 } else {
2541                         return false;
2542                 }
2543         }
2544
2545         function print_feed_select($link, $id, $default_id = "",
2546                 $attributes = "", $include_all_feeds = true) {
2547
2548                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2549                 if ($include_all_feeds) {
2550                         print "<option value=\"0\">".__('All feeds')."</option>";
2551                 }
2552
2553                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2554                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2555
2556                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2557                         print "<option disabled>--------</option>";
2558                 }
2559
2560                 while ($line = db_fetch_assoc($result)) {
2561                         if ($line["id"] == $default_id) {
2562                                 $is_selected = "selected";
2563                         } else {
2564                                 $is_selected = "";
2565                         }
2566                         printf("<option $is_selected value='%d'>%s</option>",
2567                                 $line["id"], htmlspecialchars($line["title"]));
2568                 }
2569
2570                 print "</select>";
2571         }
2572
2573         function print_feed_cat_select($link, $id, $default_id = "",
2574                 $attributes = "", $include_all_cats = true) {
2575
2576                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2577
2578                 if ($include_all_cats) {
2579                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2580                 }
2581
2582                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2583                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2584
2585                 if (db_num_rows($result) > 0 && $include_all_cats) {
2586                         print "<option disabled>--------</option>";
2587                 }
2588
2589                 while ($line = db_fetch_assoc($result)) {
2590                         if ($line["id"] == $default_id) {
2591                                 $is_selected = "selected";
2592                         } else {
2593                                 $is_selected = "";
2594                         }
2595                         printf("<option $is_selected value='%d'>%s</option>",
2596                                 $line["id"], htmlspecialchars($line["title"]));
2597                 }
2598
2599                 print "</select>";
2600         }
2601
2602         function checkbox_to_sql_bool($val) {
2603                 return ($val == "on") ? "true" : "false";
2604         }
2605
2606         function getFeedCatTitle($link, $id) {
2607                 if ($id == -1) {
2608                         return __("Special");
2609                 } else if ($id < -10) {
2610                         return __("Labels");
2611                 } else if ($id > 0) {
2612                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2613                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2614                                         cat_id = ttrss_feed_categories.id");
2615                         if (db_num_rows($result) == 1) {
2616                                 return db_fetch_result($result, 0, "title");
2617                         } else {
2618                                 return __("Uncategorized");
2619                         }
2620                 } else {
2621                         return "getFeedCatTitle($id) failed";
2622                 }
2623
2624         }
2625
2626         function getFeedTitle($link, $id) {
2627                 if ($id == -1) {
2628                         return __("Starred articles");
2629                 } else if ($id == -2) {
2630                         return __("Published articles");
2631                 } else if ($id == -3) {
2632                         return __("Fresh articles");
2633                 } else if ($id < -10) {
2634                         $label_id = -10 - $id;
2635                         $result = db_query($link, "SELECT description FROM ttrss_labels WHERE id = '$label_id'");
2636                         if (db_num_rows($result) == 1) {
2637                                 return db_fetch_result($result, 0, "description");
2638                         } else {
2639                                 return "Unknown label ($label_id)";
2640                         }
2641
2642                 } else if ($id > 0) {
2643                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2644                         if (db_num_rows($result) == 1) {
2645                                 return db_fetch_result($result, 0, "title");
2646                         } else {
2647                                 return "Unknown feed ($id)";
2648                         }
2649                 } else {
2650                         return "getFeedTitle($id) failed";
2651                 }
2652
2653         }
2654
2655         function get_session_cookie_name() {
2656                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2657         }
2658
2659         function print_init_params($link) {
2660                 print "<init-params>";
2661                 if ($_SESSION["stored-params"]) {
2662                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
2663                                 if ($key) {
2664                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2665                                         print "<param key=\"$key\" value=\"$value\"/>";
2666                                 }
2667                         }
2668                 }
2669
2670                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2671                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2672                 print "<param key=\"daemon_refresh_only\" value=\"true\"/>";
2673
2674                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
2675                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2676
2677                 print "<param key=\"hide_read_feeds\" value=\"" .
2678                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
2679
2680                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
2681                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
2682
2683                 print "<param key=\"confirm_feed_catchup\" value=\"" .
2684                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
2685
2686                 print "<param key=\"cdm_auto_catchup\" value=\"" .
2687                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
2688
2689                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
2690
2691                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
2692
2693                 print "<param key=\"default_view_mode\" value=\"" .
2694                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
2695
2696                 print "<param key=\"default_view_limit\" value=\"" .
2697                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
2698
2699                 print "<param key=\"prefs_active_tab\" value=\"" .
2700                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
2701
2702                 print "<param key=\"infobox_disable_overlay\" value=\"" .
2703                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
2704
2705                 print "<param key=\"icons_location\" value=\"" .
2706                         ICONS_URL . "\"/>";
2707
2708                 print "</init-params>";
2709         }
2710
2711         function print_runtime_info($link) {
2712                 print "<runtime-info>";
2713                 if (ENABLE_UPDATE_DAEMON) {
2714                         print "<param key=\"daemon_is_running\" value=\"".
2715                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
2716
2717                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
2718
2719                                 $stamp = (int)read_stampfile("update_daemon.stamp");
2720
2721 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
2722
2723                                 if ($stamp) {
2724                                         $stamp_delta = time() - $stamp;
2725
2726                                         if ($stamp_delta > 1800) {
2727                                                 $stamp_check = 0;
2728                                         } else {
2729                                                 $stamp_check = 1;
2730                                                 $_SESSION["daemon_stamp_check"] = time();
2731                                         }
2732
2733                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
2734
2735                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
2736
2737                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
2738                                 }
2739                         }
2740                 }
2741
2742                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
2743
2744                         if ($_SESSION["last_version_check"] + 7200 < time()) {
2745                                 $new_version_details = check_for_update($link);
2746
2747                                 print "<param key=\"new_version_available\" value=\"".
2748                                         sprintf("%d", $new_version_details != ""). "\"/>";
2749
2750                                 $_SESSION["last_version_check"] = time();
2751                         }
2752                 }
2753
2754 //              print "<param key=\"new_version_available\" value=\"1\"/>";
2755
2756                 print "</runtime-info>";
2757         }
2758
2759         function getSearchSql($search, $match_on) {
2760
2761                 $search_query_part = "";
2762
2763                 $keywords = split(" ", $search);
2764                 $query_keywords = array();
2765
2766                 if ($match_on == "both") {
2767
2768                         foreach ($keywords as $k) {
2769                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
2770                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2771                         }
2772
2773                         $search_query_part = implode("AND", $query_keywords) . " AND ";
2774
2775                 } else if ($match_on == "title") {
2776
2777                         foreach ($keywords as $k) {
2778                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
2779                         }
2780
2781                         $search_query_part = implode("AND", $query_keywords) . " AND ";
2782
2783                 } else if ($match_on == "content") {
2784
2785                         foreach ($keywords as $k) {
2786                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2787                         }
2788                 }
2789
2790                 $search_query_part = implode("AND", $query_keywords);
2791
2792                 return $search_query_part;
2793         }
2794
2795         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
2796
2797                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2798
2799                         if ($search) {
2800
2801                                 $search_query_part = getSearchSql($search, $match_on);
2802                                 $search_query_part .= " AND ";
2803
2804                         } else {
2805                                 $search_query_part = "";
2806                         }
2807
2808                         $view_query_part = "";
2809
2810                         if ($view_mode == "adaptive") {
2811                                 if ($search) {
2812                                         $view_query_part = " ";
2813                                 } else if ($feed != -1) {
2814                                         $unread = getFeedUnread($link, $feed, $cat_view);
2815                                         if ($unread > 0) {
2816                                                 $view_query_part = " unread = true AND ";
2817                                         }
2818                                 }
2819                         }
2820
2821                         if ($view_mode == "marked") {
2822                                 $view_query_part = " marked = true AND ";
2823                         }
2824
2825                         if ($view_mode == "unread") {
2826                                 $view_query_part = " unread = true AND ";
2827                         }
2828
2829                         if ($limit > 0) {
2830                                 $limit_query_part = "LIMIT " . $limit;
2831                         }
2832
2833                         $vfeed_query_part = "";
2834
2835                         // override query strategy and enable feed display when searching globally
2836                         if ($search && $search_mode == "all_feeds") {
2837                                 $query_strategy_part = "ttrss_entries.id > 0";
2838                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2839                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
2840                                 $query_strategy_part = "ttrss_entries.id > 0";
2841                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2842                                         id = feed_id) as feed_title,";
2843                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
2844
2845                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2846
2847                                 $tmp_result = false;
2848
2849                                 if ($cat_view) {
2850                                         $tmp_result = db_query($link, "SELECT id
2851                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
2852                                 } else {
2853                                         $tmp_result = db_query($link, "SELECT id
2854                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
2855                                                         WHERE id = '$feed') AND id != '$feed'");
2856                                 }
2857
2858                                 $cat_siblings = array();
2859
2860                                 if (db_num_rows($tmp_result) > 0) {
2861                                         while ($p = db_fetch_assoc($tmp_result)) {
2862                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
2863                                         }
2864
2865                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2866                                                 $feed, implode(" OR ", $cat_siblings));
2867
2868                                 } else {
2869                                         $query_strategy_part = "ttrss_entries.id > 0";
2870                                 }
2871
2872                         } else if ($feed >= 0) {
2873
2874                                 if ($cat_view) {
2875
2876                                         if ($feed > 0) {
2877                                                 $query_strategy_part = "cat_id = '$feed'";
2878                                         } else {
2879                                                 $query_strategy_part = "cat_id IS NULL";
2880                                         }
2881
2882                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2883
2884                                 } else {
2885                                         $tmp_result = db_query($link, "SELECT id
2886                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2887                                                 ORDER BY cat_id,title");
2888
2889                                         $parent_ids = array();
2890
2891                                         if (db_num_rows($tmp_result) > 0) {
2892                                                 while ($p = db_fetch_assoc($tmp_result)) {
2893                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2894                                                 }
2895
2896                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2897                                                         $feed, implode(" OR ", $parent_ids));
2898
2899                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2900                                         } else {
2901                                                 $query_strategy_part = "feed_id = '$feed'";
2902                                         }
2903                                 }
2904                         } else if ($feed == -1) { // starred virtual feed
2905                                 $query_strategy_part = "marked = true";
2906                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2907                         } else if ($feed == -2) { // published virtual feed
2908                                 $query_strategy_part = "published = true";
2909                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2910                         } else if ($feed == -3) { // fresh virtual feed
2911                                 $query_strategy_part = "unread = true";
2912
2913                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2914
2915                                 if (DB_TYPE == "pgsql") {
2916                                         $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2917                                 } else {
2918                                         $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2919                                 }
2920
2921                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2922                         } else if ($feed <= -10) { // labels
2923                                 $label_id = -$feed - 11;
2924
2925                                 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
2926                                         WHERE id = '$label_id'");
2927
2928                                 $query_strategy_part = db_fetch_result($tmp_result, 0, "sql_exp");
2929
2930                                 if (!$query_strategy_part) {
2931                                         return false;
2932                                 }
2933
2934                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2935                         } else {
2936                                 $query_strategy_part = "id > 0"; // dumb
2937                         }
2938
2939                         if (get_pref($link, 'REVERSE_HEADLINES')) {
2940                                 $order_by = "updated";
2941                         } else {
2942                                 $order_by = "updated DESC";
2943                         }
2944
2945                         if ($override_order) {
2946                                 $order_by = $override_order;
2947                         }
2948
2949                         $feed_title = "";
2950
2951                         if ($search && $search_mode == "all_feeds") {
2952                                 $feed_title = __("Search results")." ($search)";
2953                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2954                                 $feed_title = __("Search results")." ($search, $feed)";
2955                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2956                                 $feed_title = $feed;
2957                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
2958
2959                                 if ($cat_view) {
2960
2961                                         if ($feed != 0) {
2962                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
2963                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
2964                                                 $feed_title = db_fetch_result($result, 0, "title");
2965                                         } else {
2966                                                 $feed_title = __("Uncategorized");
2967                                         }
2968
2969                                         if ($search) {
2970                                                 $feed_title = __("Searched for")." $search ($feed_title)";
2971                                         }
2972
2973                                 } else {
2974
2975                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
2976                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
2977
2978                                         $feed_title = db_fetch_result($result, 0, "title");
2979                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
2980                                         $last_error = db_fetch_result($result, 0, "last_error");
2981
2982                                         if ($search) {
2983                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
2984                                         }
2985                                 }
2986
2987                         } else if ($feed == -1) {
2988                                 $feed_title = __("Starred articles");
2989                         } else if ($feed == -2) {
2990                                 $feed_title = __("Published articles");
2991                         } else if ($feed == -3) {
2992                                 $feed_title = __("Fresh articles");
2993                         } else if ($feed < -10) {
2994                                 $label_id = -$feed - 11;
2995                                 $result = db_query($link, "SELECT description FROM ttrss_labels
2996                                         WHERE id = '$label_id'");
2997                                 $feed_title = db_fetch_result($result, 0, "description");
2998
2999                                 if ($search) {
3000                                         $feed_title = __("Searched for") . " $search ($feed_title)";
3001                                 }
3002                         } else {
3003                                 $feed_title = "?";
3004                         }
3005
3006                         if ($feed < -10) error_reporting (0);
3007
3008                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3009
3010                                 if ($feed >= 0) {
3011                                         $feed_kind = "Feeds";
3012                                 } else {
3013                                         $feed_kind = "Labels";
3014                                 }
3015
3016                                 $content_query_part = "content as content_preview,";
3017
3018                                 if ($limit_query_part) {
3019                                         $offset_query_part = "OFFSET $offset";
3020                                 }
3021
3022                                 $query = "SELECT
3023                                                 guid,
3024                                                 ttrss_entries.id,ttrss_entries.title,
3025                                                 updated,
3026                                                 unread,feed_id,marked,published,link,last_read,
3027                                                 SUBSTRING(last_read,1,19) as last_read_noms,
3028                                                 $vfeed_query_part
3029                                                 $content_query_part
3030                                                 SUBSTRING(updated,1,19) as updated_noms,
3031                                                 author
3032                                         FROM
3033                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds
3034                                         WHERE
3035                                         ttrss_feeds.hidden = false AND
3036                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
3037                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3038                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3039                                         $search_query_part
3040                                         $view_query_part
3041                                         $query_strategy_part ORDER BY $order_by
3042                                         $limit_query_part $offset_query_part";
3043
3044                                 $result = db_query($link, $query);
3045
3046                                 if ($_GET["debug"]) print $query;
3047
3048                         } else {
3049                                 // browsing by tag
3050
3051                                 $feed_kind = "Tags";
3052
3053                                 $result = db_query($link, "SELECT
3054                                         guid,
3055                                         ttrss_entries.id as id,title,
3056                                         updated,
3057                                         unread,feed_id,
3058                                         marked,link,last_read,
3059                                         SUBSTRING(last_read,1,19) as last_read_noms,
3060                                         $vfeed_query_part
3061                                         $content_query_part
3062                                         SUBSTRING(updated,1,19) as updated_noms
3063                                         FROM
3064                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3065                                         WHERE
3066                                                 ref_id = ttrss_entries.id AND
3067                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3068                                                 post_int_id = int_id AND tag_name = '$feed' AND
3069                                                 $view_query_part
3070                                                 $search_query_part
3071                                                 $query_strategy_part ORDER BY $order_by
3072                                         $limit_query_part");
3073                         }
3074
3075                         return array($result, $feed_title, $feed_site_url, $last_error);
3076
3077         }
3078
3079         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3080                 $search, $search_mode, $match_on) {
3081
3082                 $qfh_ret = queryFeedHeadlines($link, $feed,
3083                         30, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3084                         $owner_uid);
3085
3086                 $result = $qfh_ret[0];
3087                 $feed_title = htmlspecialchars($qfh_ret[1]);
3088                 $feed_site_url = $qfh_ret[2];
3089                 $last_error = $qfh_ret[3];
3090
3091 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3092
3093                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3094                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3095                         <rss version=\"2.0\">
3096                         <channel>
3097                         <title>$feed_title</title>
3098                         <link>$feed_site_url</link>
3099                         <description>Feed generated by Tiny Tiny RSS</description>";
3100
3101                 while ($line = db_fetch_assoc($result)) {
3102                         print "<item>";
3103                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3104                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3105
3106                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3107
3108                         foreach ($tags as $tag) {
3109                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3110                         }
3111
3112                         $rfc822_date = date('r', strtotime($line["updated"]));
3113
3114                         print "<pubDate>$rfc822_date</pubDate>";
3115
3116                         print "<title>" .
3117                                 htmlspecialchars($line["title"]) . "</title>";
3118
3119                         print "<description><![CDATA[" .
3120                                 $line["content_preview"] . "]]></description>";
3121
3122                         print "</item>";
3123                 }
3124
3125                 print "</channel></rss>";
3126
3127         }
3128
3129         function getCategoryTitle($link, $cat_id) {
3130
3131                 if ($cat_id == -1) {
3132                         return __("Special");
3133                 } else if ($cat_id == -2) {
3134                         return __("Labels");
3135                 } else {
3136
3137                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3138                                 id = '$cat_id'");
3139
3140                         if (db_num_rows($result) == 1) {
3141                                 return db_fetch_result($result, 0, "title");
3142                         } else {
3143                                 return "Uncategorized";
3144                         }
3145                 }
3146         }
3147
3148         // http://ru2.php.net/strip-tags
3149
3150         function strip_tags_long($textstring, $allowed){
3151         while($textstring != strip_tags($textstring, $allowed))
3152     {
3153     while (strlen($textstring) != 0)
3154          {
3155          if (strlen($textstring) > 1024) {
3156               $otherlen = 1024;
3157          } else {
3158               $otherlen = strlen($textstring);
3159          }
3160          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3161          $safetext .= $temptext;
3162          $textstring = substr_replace($textstring,'',0,$otherlen);
3163          }
3164     $textstring = $safetext;
3165     }
3166         return $textstring;
3167         }
3168
3169
3170         function sanitize_rss($link, $str, $force_strip_tags = false) {
3171                 $res = $str;
3172
3173                 if (get_pref($link, "STRIP_UNSAFE_TAGS") || $force_strip_tags) {
3174
3175                         if (ENABLE_TAGWALL) {
3176                                 global $tw_parser;
3177                                 global $tw_paranoya_setup;
3178
3179                                 $res = $tw_parser->strip_tags($res, $tw_paranoya_setup);
3180                         } else {
3181
3182                                 $res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");
3183
3184                         }
3185
3186 //                      $res = preg_replace("/\r\n|\n|\r/", "", $res);
3187 //                      $res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");
3188                 }
3189
3190                 return $res;
3191         }
3192
3193         function send_headlines_digests($link, $limit = 100) {
3194
3195                 if (!DIGEST_ENABLE) return false;
3196
3197                 $user_limit = DIGEST_EMAIL_LIMIT;
3198                 $days = 1;
3199
3200                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3201
3202                 if (DB_TYPE == "pgsql") {
3203                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3204                 } else if (DB_TYPE == "mysql") {
3205                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3206                 }
3207
3208                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3209                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3210
3211                 while ($line = db_fetch_assoc($result)) {
3212
3213                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3214                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3215
3216                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3217
3218                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3219                                 $digest = $tuple[0];
3220                                 $headlines_count = $tuple[1];
3221                                 $affected_ids = $tuple[2];
3222
3223                                 if ($headlines_count > 0) {
3224
3225                                         if (!DIGEST_SMTP_HOST) {
3226
3227                                                 $rc = mail($line["login"] . " <" . $line["email"] . ">",
3228                                                         "[tt-rss] New headlines for last 24 hours", $digest,
3229                                                         "From: " . DIGEST_FROM_NAME . " <" . DIGEST_FROM_ADDRESS . ">\n".
3230                                                         "Content-Type: text/plain; charset=\"utf-8\"\n".
3231                                                         "Content-Transfer-Encoding: 8bit\n");
3232
3233                                         } else {
3234
3235                                                 $mail = new PHPMailer();
3236
3237                                                 $mail->PluginDir = "phpmailer/";
3238                                                 $mail->SetLanguage("en", "phpmailer/language/");
3239
3240                                                 $mail->CharSet = "UTF-8";
3241
3242                                                 $mail->From = DIGEST_FROM_ADDRESS;
3243                                                 $mail->FromName = DIGEST_FROM_NAME;
3244                                                 $mail->AddAddress($line["email"], $line["login"]);
3245                                                 $mail->Host = DIGEST_SMTP_HOST;
3246                                                 $mail->Mailer = "smtp";
3247
3248                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3249                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3250
3251                                                 $mail->Subject = "[tt-rss] New headlines for last 24 hours";
3252                                                 $mail->Body = $digest;
3253
3254                                                 $rc = $mail->Send();
3255
3256                                                 if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3257
3258                                         }
3259
3260                                         print "RC=$rc\n";
3261
3262                                         if ($rc) {
3263                                                 print "Marking affected articles as read...\n";
3264                                                 catchupArticlesById($link, $affected_ids, 0);
3265                                         }
3266
3267                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3268                                                         WHERE id = " . $line["id"]);
3269                                 } else {
3270                                         print "No headlines\n";
3271                                 }
3272                         }
3273                 }
3274
3275 //              $digest = prepare_headlines_digest($link, $user_id, $days, $limit);
3276
3277         }
3278
3279         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3280                 $tmp =  __("New headlines for last 24 hours, as of ") . date("Y/m/d H:m") . "\n";
3281                 $tmp .= "=======================================================\n\n";
3282
3283                 $affected_ids = array();
3284
3285                 if (DB_TYPE == "pgsql") {
3286                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3287                 } else if (DB_TYPE == "mysql") {
3288                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3289                 }
3290
3291                 $result = db_query($link, "SELECT ttrss_entries.title,
3292                                 ttrss_feeds.title AS feed_title,
3293                                 date_entered,
3294                                 ttrss_user_entries.ref_id,
3295                                 link,
3296                                 SUBSTRING(last_updated,1,19) AS last_updated
3297                         FROM
3298                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3299                         WHERE
3300                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3301                                 AND include_in_digest = true
3302                                 AND $interval_query
3303                                 AND hidden = false
3304                                 AND ttrss_user_entries.owner_uid = $user_id
3305                                 AND unread = true ORDER BY ttrss_feeds.title, date_entered DESC
3306                         LIMIT $limit");
3307
3308                 $cur_feed_title = "";
3309
3310                 $headlines_count = db_num_rows($result);
3311
3312                 while ($line = db_fetch_assoc($result)) {
3313
3314                         array_push($affected_ids, $line["ref_id"]);
3315
3316                         $updated = smart_date_time(strtotime($line["last_updated"]));
3317                         $feed_title = $line["feed_title"];
3318
3319                         if ($cur_feed_title != $feed_title) {
3320                                 $cur_feed_title = $feed_title;
3321
3322                                 $tmp .= "$feed_title\n\n";
3323                         }
3324
3325                         $tmp .= " * " . trim($line["title"]) . " - $updated\n";
3326                         $tmp .= "   " . trim($line["link"]) . "\n";
3327                         $tmp .= "\n";
3328                 }
3329
3330                 $tmp .= "--- \n";
3331                 $tmp .= __("You have been sent this email because you have enabled daily digests in Tiny Tiny RSS at ") .
3332                         DIGEST_HOSTNAME . "\n".
3333                         __("To unsubscribe, visit your configuration options or contact instance owner.\n");
3334
3335
3336                 return array($tmp, $headlines_count, $affected_ids);
3337         }
3338
3339         function check_for_update($link, $brief_fmt = true) {
3340                 $releases_feed = "http://tt-rss.spb.ru/releases.rss";
3341
3342                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3343                         return;
3344                 }
3345
3346                 error_reporting(0);
3347                 if (ENABLE_SIMPLEPIE) {
3348                         $rss = new SimplePie();
3349                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3350 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3351                         $rss->set_feed_url($fetch_url);
3352                         $rss->set_output_encoding('UTF-8');
3353                         $rss->init();
3354                 } else {
3355                         $rss = fetch_rss($releases_feed);
3356                 }
3357                 error_reporting (DEFAULT_ERROR_LEVEL);
3358
3359                 if ($rss) {
3360
3361                         if (ENABLE_SIMPLEPIE) {
3362                                 $items = $rss->get_items();
3363                         } else {
3364                                 $items = $rss->items;
3365
3366                                 if (!$items || !is_array($items)) $items = $rss->entries;
3367                                 if (!$items || !is_array($items)) $items = $rss;
3368                         }
3369
3370                         if (!is_array($items) || count($items) == 0) {
3371                                 return;
3372                         }
3373
3374                         $latest_item = $items[0];
3375
3376                         if (ENABLE_SIMPLEPIE) {
3377                                 $last_title = $latest_item->get_title();
3378                         } else {
3379                                 $last_title = $latest_item["title"];
3380                         }
3381
3382                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3383
3384                         if (ENABLE_SIMPLEPIE) {
3385                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3386                                 $content = sanitize_rss($link, $latest_item->get_description());
3387                         } else {
3388                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3389                                 $content = sanitize_rss($link, $latest_item["description"]);
3390                         }
3391
3392                         if (version_compare(VERSION, $latest_version) == -1) {
3393                                 if ($brief_fmt) {
3394                                         return format_notice("<a href=\"javascript:showBlockElement('milestoneDetails')\">
3395                                                 New version of Tiny-Tiny RSS ($latest_version) is available (click for details)</a>
3396                                                 <div id=\"milestoneDetails\">$content</div>");
3397                                 } else {
3398                                         return "New version of Tiny-Tiny RSS ($latest_version) is available:
3399                                                 <div class='milestoneDetails'>$content</div>
3400                                                 Visit <a target=\"_new\" href=\"http://tt-rss.spb.ru/\">official site</a> for
3401                                                 download and update information.";
3402                                 }
3403
3404                         }
3405                 }
3406         }
3407
3408         function markArticlesById($link, $ids, $cmode) {
3409
3410                 $tmp_ids = array();
3411
3412                 foreach ($ids as $id) {
3413                         array_push($tmp_ids, "ref_id = '$id'");
3414                 }
3415
3416                 $ids_qpart = join(" OR ", $tmp_ids);
3417
3418                 if ($cmode == 0) {
3419                         db_query($link, "UPDATE ttrss_user_entries SET
3420                         marked = false,last_read = NOW()
3421                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3422                 } else if ($cmode == 1) {
3423                         db_query($link, "UPDATE ttrss_user_entries SET
3424                         marked = true
3425                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3426                 } else {
3427                         db_query($link, "UPDATE ttrss_user_entries SET
3428                         marked = NOT marked,last_read = NOW()
3429                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3430                 }
3431         }
3432
3433         function publishArticlesById($link, $ids, $cmode) {
3434
3435                 $tmp_ids = array();
3436
3437                 foreach ($ids as $id) {
3438                         array_push($tmp_ids, "ref_id = '$id'");
3439                 }
3440
3441                 $ids_qpart = join(" OR ", $tmp_ids);
3442
3443                 if ($cmode == 0) {
3444                         db_query($link, "UPDATE ttrss_user_entries SET
3445                         published = false,last_read = NOW()
3446                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3447                 } else if ($cmode == 1) {
3448                         db_query($link, "UPDATE ttrss_user_entries SET
3449                         published = true
3450                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3451                 } else {
3452                         db_query($link, "UPDATE ttrss_user_entries SET
3453                         published = NOT published,last_read = NOW()
3454                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3455                 }
3456         }
3457
3458         function catchupArticlesById($link, $ids, $cmode) {
3459
3460                 $tmp_ids = array();
3461
3462                 foreach ($ids as $id) {
3463                         array_push($tmp_ids, "ref_id = '$id'");
3464                 }
3465
3466                 $ids_qpart = join(" OR ", $tmp_ids);
3467
3468                 if ($cmode == 0) {
3469                         db_query($link, "UPDATE ttrss_user_entries SET
3470                         unread = false,last_read = NOW()
3471                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3472                 } else if ($cmode == 1) {
3473                         db_query($link, "UPDATE ttrss_user_entries SET
3474                         unread = true
3475                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3476                 } else {
3477                         db_query($link, "UPDATE ttrss_user_entries SET
3478                         unread = NOT unread,last_read = NOW()
3479                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3480                 }
3481         }
3482
3483         function catchupArticleById($link, $id, $cmode) {
3484
3485                 if ($cmode == 0) {
3486                         db_query($link, "UPDATE ttrss_user_entries SET
3487                         unread = false,last_read = NOW()
3488                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3489                 } else if ($cmode == 1) {
3490                         db_query($link, "UPDATE ttrss_user_entries SET
3491                         unread = true
3492                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3493                 } else {
3494                         db_query($link, "UPDATE ttrss_user_entries SET
3495                         unread = NOT unread,last_read = NOW()
3496                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3497                 }
3498         }
3499
3500         function make_guid_from_title($title) {
3501                 return preg_replace("/[ \"\',.:;]/", "-",
3502                         mb_strtolower(strip_tags($title), 'utf-8'));
3503         }
3504
3505         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
3506                         $bottom = false, $rtl_content = false, $feed_id = 0,
3507                         $is_cat = false, $search = false, $match_on = false,
3508                         $search_mode = false, $offset = 0, $limit = 0) {
3509
3510                         $user_page_offset = $offset + 1;
3511
3512                         if (!$bottom) {
3513                                 $class = "headlinesSubToolbar";
3514                                 $tid = "headlineActionsTop";
3515                         } else {
3516                                 $class = "headlinesSubToolbar";
3517                                 $tid = "headlineActionsBottom";
3518                         }
3519
3520                         print "<table class=\"$class\" id=\"$tid\"
3521                                 width=\"100%\" cellspacing=\"0\" cellpadding=\"0\"><tr>";
3522
3523                         if ($rtl_content) {
3524                                 $rtl_cpart = "RTL";
3525                         } else {
3526                                 $rtl_cpart = "";
3527                         }
3528
3529                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
3530                         $page_next_link = "javascript:viewFeedGoPage(1)";
3531                         $page_first_link = "javascript:viewFeedGoPage(0)";
3532
3533                         $catchup_page_link = "javascript:catchupPage()";
3534                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
3535                         $catchup_sel_link = "javascript:catchupSelection()";
3536
3537                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3538
3539                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
3540                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
3541                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
3542
3543                                 $tog_unread_link = "javascript:selectionToggleUnread()";
3544                                 $tog_marked_link = "javascript:selectionToggleMarked()";
3545                                 $tog_published_link = "javascript:selectionTogglePublished()";
3546
3547                         } else {
3548
3549                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
3550                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
3551                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
3552
3553                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
3554                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
3555                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
3556
3557                         }
3558
3559                         if (strpos($_SESSION["client.userAgent"], "MSIE") === false) {
3560
3561                                 print "<td class=\"headlineActions$rtl_cpart\">
3562                                         <ul class=\"headlineDropdownMenu\">
3563                                         <li class=\"top2\">
3564                                         ".__('Select:')."
3565                                                 <a href=\"$sel_all_link\">".__('All')."</a>,
3566                                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3567                                                 <a href=\"$sel_none_link\">".__('None')."</a></li>
3568                                         <li class=\"vsep\">&nbsp;</li>
3569                                         <li class=\"top\">".__('Toggle')."<ul>
3570                                                 <li onclick=\"$tog_unread_link\">".__('Unread')."</li>
3571                                                 <li onclick=\"$tog_marked_link\">".__('Starred')."</li>
3572                                                 <li onclick=\"$tog_published_link\">".__('Published')."</li>
3573                                                 </ul></li>
3574                                         <li class=\"vsep\">&nbsp;</li>
3575                                         <li class=\"top\"><a href=\"$catchup_page_link\">".__('Mark as read')."</a><ul>
3576                                                 <li onclick=\"$catchup_sel_link\">".__('Selection')."</li>
3577                                                 <!-- <li onclick=\"$catchup_page_link\">".__('This page')."</li> -->
3578                                                 <li><span class=\"insensitive\">--------</span></li>
3579                                                 <li onclick=\"catchupRelativeToArticle(0)\">".__("Above active article")."</li>
3580                                                 <li onclick=\"catchupRelativeToArticle(1)\">".__("Below active article")."</li>
3581                                                 <li><span class=\"insensitive\">--------</span></li>
3582                                                 <li onclick=\"$catchup_feed_link\">".__('Entire feed')."</li></ul></li>
3583                                         ";
3584
3585                                         $enable_pagination = get_pref($link, "_PREFS_ENABLE_PAGINATION");
3586
3587                                         if ($limit != 0 && !$search && $enable_pagination) {
3588                                                 print "
3589                                                 <li class=\"vsep\">&nbsp;</li>
3590                                                 <li class=\"top\"><a href=\"$page_next_link\">".__('Next page')."</a><ul>
3591                                                         <li onclick=\"$page_prev_link\">".__('Previous page')."</li>
3592                                                         <li onclick=\"$page_first_link\">".__('First page')."</li></ul></li>
3593                                                         </ul>";
3594                                                 }
3595
3596                                         if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3597                                                 print "
3598                                                         <li class=\"vsep\">&nbsp;</li>
3599                                                         <li class=\"top3\">
3600                                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3601                                                                 '$match_on', '$feed_id', '$is_cat');\">
3602                                                                 ".__('Convert to label')."</a></td>";
3603                                         }
3604                                         print "
3605                                         </td>";
3606
3607                         } else {
3608                         // old style subtoolbar:
3609
3610                                 print "<td class=\"headlineActions$rtl_cpart\">".
3611                                         __('Select:')."
3612                                                                 <a href=\"$sel_all_link\">".__('All')."</a>,
3613                                                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3614                                                                 <a href=\"$sel_none_link\">".__('None')."</a>
3615                                                 &nbsp;&nbsp;".
3616                                                 __('Toggle:')." <a href=\"$tog_unread_link\">".__('Unread')."</a>,
3617                                                         <a href=\"$tog_marked_link\">".__('Starred')."</a>
3618                                                 &nbsp;&nbsp;".
3619                                                 __('Mark as read:')."
3620                                                         <a href=\"#\" onclick=\"$catchup_page_link\">".__('Page')."</a>,
3621                                                         <a href=\"#\" onclick=\"$catchup_feed_link\">".__('Feed')."</a>";
3622
3623                                 if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3624
3625                                         print "&nbsp;&nbsp;
3626                                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3627                                                                 '$match_on', '$feed_id', '$is_cat');\">
3628                                                         ".__('Convert to label')."</a>";
3629                                 }
3630
3631                                 print "</td>";
3632
3633                         }
3634
3635 /*                      if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3636                                 print "<td class=\"headlineActions$rtl_cpart\">
3637                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3638                                                         '$match_on', '$feed_id', '$is_cat');\">
3639                                                 ".__('Convert to Label')."</a></td>";
3640 } */
3641
3642                         print "<td class=\"headlineTitle$rtl_cpart\">";
3643
3644                         if ($feed_site_url) {
3645                                 if (!$bottom) {
3646                                         $target = "target=\"_new\"";
3647                                 }
3648                                 print "<a $target href=\"$feed_site_url\">".
3649                                         truncate_string($feed_title,30)."</a>";
3650                         } else {
3651                                 print $feed_title;
3652                         }
3653
3654                         if ($search) {
3655                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
3656                         }
3657
3658                         if ($user_page_offset > 1) {
3659                                 print " [$user_page_offset] ";
3660                         }
3661
3662                         if (!$bottom) {
3663                                 print "
3664                                         <a target=\"_new\"
3665                                                 href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
3666                                                 <img class=\"noborder\"
3667                                                         alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
3668                                         </a>";
3669                         }
3670
3671                         print "</td>";
3672                         print "</tr></table>";
3673
3674                 }
3675
3676         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
3677
3678                         $tmp_category = getCategoryTitle($link, $cat_id);
3679                         $cat_unread = getCategoryUnread($link, $cat_id);
3680
3681                         if ($hidden) {
3682                                 $holder_style = "display:none;";
3683                                 $ellipsis = "...";
3684                         } else {
3685                                 $holder_style = "";
3686                                 $ellipsis = "";
3687                         }
3688
3689                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3690
3691                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
3692                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>";
3693
3694                         if ($can_browse) {
3695                                 print "<a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">";
3696                         } else {
3697                                 print "<span id=\"FCAP-$cat_id\">";
3698                         }
3699
3700                         print " <span id=\"FCATCTR-$cat_id\" title=\"Click to browse category\"
3701                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
3702
3703                         if ($can_browse) {
3704                                 print "</a>";
3705                         } else {
3706                                 print "</span>";
3707                         }
3708
3709                         print "</li>";
3710
3711                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
3712         }
3713
3714         function outputFeedList($link, $tags = false) {
3715
3716                 print "<ul class=\"feedList\" id=\"feedList\">";
3717
3718                 $owner_uid = $_SESSION["uid"];
3719
3720                 /* virtual feeds */
3721
3722                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
3723
3724                         if ($_COOKIE["ttrss_vf_vclps"] == 1) {
3725                                 $cat_hidden = true;
3726                         } else {
3727                                 $cat_hidden = false;
3728                         }
3729
3730 #                       print "<li class=\"feedCat\">".__('Special')."</li>";
3731 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\">";
3732 #                       print "<li class=\"feedCat\">".
3733 #                               "<a id=\"FCATN--1\" href=\"javascript:toggleCollapseCat(-1)\">".
3734 #                               __('Special')."</a> <span id='FCAP--1'>$ellipsis</span></li>";
3735 #
3736 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\">
3737 #                               <ul class=\"feedCatList\" id='FCATLIST--1' style='$holder_style'>";
3738
3739 #                       $cat_unread = getCategoryUnread($link, -1);
3740 #                       $tmp_category = __("Special");
3741 #                       $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3742
3743                         printCategoryHeader($link, -1, $cat_hidden, false);
3744                 }
3745
3746                 $num_starred = getFeedUnread($link, -1);
3747                 $num_published = getFeedUnread($link, -2);
3748                 $num_fresh = getFeedUnread($link, -3);
3749
3750                 $class = "virt";
3751
3752                 if ($num_fresh > 0) $class .= "Unread";
3753
3754                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh,
3755                         "images/fresh.png", $link);
3756
3757                 $class = "virt";
3758
3759                 if ($num_starred > 0) $class .= "Unread";
3760
3761                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
3762
3763                 if ($is_ie) {
3764                         $mark_img_ext = "gif";
3765                 } else {
3766                         $mark_img_ext = "png";
3767                 }
3768
3769                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
3770                         "images/mark_set.$mark_img_ext", $link);
3771
3772                 $class = "virt";
3773
3774                 if ($num_published > 0) $class .= "Unread";
3775
3776                 printFeedEntry(-2, $class, __("Published articles"), $num_published,
3777                         "images/pub_set.gif", $link);
3778
3779                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
3780                         print "</ul>";
3781                 }
3782
3783                 if (!$tags) {
3784
3785                         if (GLOBAL_ENABLE_LABELS && get_pref($link, 'ENABLE_LABELS')) {
3786
3787                                 $result = db_query($link, "SELECT id,sql_exp,description FROM
3788                                         ttrss_labels WHERE owner_uid = '$owner_uid' ORDER by description");
3789
3790                                 if (db_num_rows($result) > 0) {
3791                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3792
3793                                                 if ($_COOKIE["ttrss_vf_lclps"] == 1) {
3794                                                         $cat_hidden = true;
3795                                                 } else {
3796                                                         $cat_hidden = false;
3797                                                 }
3798
3799                                                 printCategoryHeader($link, -2, $cat_hidden, false);
3800
3801 #                                               print "<li class=\"feedCat\">".
3802 #                                                       "<a id=\"FCATN--2\" href=\"javascript:toggleCollapseCat(-2)\">".
3803 #                                                       __('Labels')."</a> <span id='FCAP--2'>$ellipsis</span></li>";
3804 #
3805 #                                               print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\" id='FCATLIST--2' style='$holder_style'>";
3806                                         } else {
3807                                                 print "<li><hr></li>";
3808                                         }
3809                                 }
3810
3811                                 while ($line = db_fetch_assoc($result)) {
3812
3813                                         error_reporting (0);
3814
3815                                         $label_id = -$line['id'] - 11;
3816                                         $count = getFeedUnread($link, $label_id);
3817
3818                                         $class = "label";
3819
3820                                         if ($count > 0) {
3821                                                 $class .= "Unread";
3822                                         }
3823
3824                                         error_reporting (DEFAULT_ERROR_LEVEL);
3825
3826                                         printFeedEntry($label_id,
3827                                                 $class, $line["description"],
3828                                                 $count, "images/label.png", $link);
3829
3830                                 }
3831
3832                                 if (db_num_rows($result) > 0) {
3833                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3834                                                 print "</ul>";
3835                                         }
3836                                 }
3837
3838                         }
3839
3840                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
3841                                 print "<li><hr></li>";
3842                         }
3843
3844                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3845                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
3846                                         $order_by_qpart = "category,unread DESC,title";
3847                                 } else {
3848                                         $order_by_qpart = "category,title";
3849                                 }
3850                         } else {
3851                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
3852                                         $order_by_qpart = "unread DESC,title";
3853                                 } else {
3854                                         $order_by_qpart = "title";
3855                                 }
3856                         }
3857
3858                         $age_qpart = getMaxAgeSubquery();
3859
3860                         $result = db_query($link, "SELECT ttrss_feeds.*,
3861                                 SUBSTRING(last_updated,1,19) AS last_updated_noms,
3862                                 (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
3863                                         WHERE feed_id = ttrss_feeds.id AND unread = true
3864                                                 AND $age_qpart
3865                                                 AND ttrss_user_entries.ref_id = ttrss_entries.id
3866                                                 AND owner_uid = '$owner_uid') as unread,
3867                                 cat_id,last_error,
3868                                 ttrss_feed_categories.title AS category,
3869                                 ttrss_feed_categories.collapsed
3870                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
3871                                         ON (ttrss_feed_categories.id = cat_id)
3872                                 WHERE
3873                                         ttrss_feeds.hidden = false AND
3874                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
3875                                 ORDER BY $order_by_qpart");
3876
3877                         $actid = $_GET["actid"];
3878
3879                         /* real feeds */
3880
3881                         $lnum = 0;
3882
3883                         $total_unread = 0;
3884
3885                         $category = "";
3886
3887                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
3888
3889                         while ($line = db_fetch_assoc($result)) {
3890
3891                                 $feed = trim($line["title"]);
3892
3893                                 if (!$feed) $feed = "[Untitled]";
3894
3895                                 $feed_id = $line["id"];
3896
3897                                 $subop = $_GET["subop"];
3898
3899                                 $unread = $line["unread"];
3900
3901                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
3902                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
3903                                 } else {
3904                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
3905                                 }
3906
3907                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
3908
3909                                 if ($rtl_content) {
3910                                         $rtl_tag = "dir=\"RTL\"";
3911                                 } else {
3912                                         $rtl_tag = "";
3913                                 }
3914
3915                                 $tmp_result = db_query($link,
3916                                         "SELECT id,COUNT(unread) AS unread
3917                                         FROM ttrss_feeds LEFT JOIN ttrss_user_entries
3918                                                 ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
3919                                         WHERE parent_feed = '$feed_id' AND unread = true
3920                                         GROUP BY ttrss_feeds.id");
3921
3922                                 if (db_num_rows($tmp_result) > 0) {
3923                                         while ($l = db_fetch_assoc($tmp_result)) {
3924                                                 $unread += $l["unread"];
3925                                         }
3926                                 }
3927
3928                                 $cat_id = $line["cat_id"];
3929
3930                                 $tmp_category = $line["category"];
3931
3932                                 if (!$tmp_category) {
3933                                         $tmp_category = __("Uncategorized");
3934                                 }
3935
3936         //                      $class = ($lnum % 2) ? "even" : "odd";
3937
3938                                 if ($line["last_error"]) {
3939                                         $class = "error";
3940                                 } else {
3941                                         $class = "feed";
3942                                 }
3943
3944                                 if ($unread > 0) $class .= "Unread";
3945
3946                                 if ($actid == $feed_id) {
3947                                         $class .= "Selected";
3948                                 }
3949
3950                                 $total_unread += $unread;
3951
3952                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
3953
3954                                         if ($category) {
3955                                                 print "</ul></li>";
3956                                         }
3957
3958                                         $category = $tmp_category;
3959
3960                                         $collapsed = $line["collapsed"];
3961
3962                                         // workaround for NULL category
3963                                         if ($category == __("Uncategorized")) {
3964                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
3965                                                         $collapsed = "t";
3966                                                 }
3967                                         }
3968
3969                                         if ($collapsed == "t" || $collapsed == "1") {
3970                                                 $holder_class = "feedCatHolder";
3971                                                 $holder_style = "display:none;";
3972                                                 $ellipsis = "...";
3973                                         } else {
3974                                                 $holder_class = "feedCatHolder";
3975                                                 $holder_style = "";
3976                                                 $ellipsis = "";
3977                                         }
3978
3979                                         $cat_id = sprintf("%d", $cat_id);
3980
3981                                         $cat_unread = getCategoryUnread($link, $cat_id);
3982
3983                                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3984
3985                                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
3986                                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>
3987                                                         <a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">
3988                                                         <span id=\"FCATCTR-$cat_id\" title=\"Click to browse category\"
3989                                                         class=\"$catctr_class\">($cat_unread)</span> $ellipsis
3990                                                         </a></li>";
3991
3992                                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
3993                                 }
3994
3995                                 printFeedEntry($feed_id, $class, $feed, $unread,
3996                                         ICONS_DIR."/$feed_id.ico", $link, $rtl_content,
3997                                         $last_updated, $line["last_error"]);
3998
3999                                 ++$lnum;
4000                         }
4001
4002                         if (db_num_rows($result) == 0) {
4003                                 print "<li>".__('No feeds to display.')."</li>";
4004                         }
4005
4006                 } else {
4007
4008                         // tags
4009
4010 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4011                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4012                                 post_int_id = ttrss_user_entries.int_id AND
4013                                 unread = true AND ref_id = ttrss_entries.id
4014                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4015                         UNION
4016                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4017                         ORDER BY tag_name"); */
4018
4019                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4020                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4021                                 print "<li id=\"feedCatHolder\"><ul class=\"feedCatList\">";
4022                         }
4023
4024                         $age_qpart = getMaxAgeSubquery();
4025
4026                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4027                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4028                                         AND ref_id = id AND $age_qpart
4029                                         AND unread = true)) AS count FROM ttrss_tags
4030                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4031                                         ORDER BY count DESC LIMIT 50");
4032
4033                         $tags = array();
4034
4035                         while ($line = db_fetch_assoc($result)) {
4036                                 $tags[$line["tag_name"]] += $line["count"];
4037                         }
4038
4039                         foreach (array_keys($tags) as $tag) {
4040
4041                                 $unread = $tags[$tag];
4042
4043                                 $class = "tag";
4044
4045                                 if ($unread > 0) {
4046                                         $class .= "Unread";
4047                                 }
4048
4049                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4050
4051                         }
4052
4053                         if (db_num_rows($result) == 0) {
4054                                 print "<li>No tags to display.</li>";
4055                         }
4056
4057                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4058                                 print "</ul>";
4059                         }
4060
4061                 }
4062
4063                 print "</ul>";
4064
4065         }
4066
4067         function get_article_tags($link, $id, $owner_uid = 0) {
4068
4069                 $a_id = db_escape_string($id);
4070
4071                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4072
4073                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4074                         owner_uid as owner FROM
4075                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4076                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4077
4078                 $tags = array();
4079
4080                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4081                         array_push($tags, $tmp_line["tag_name"]);
4082                 }
4083
4084                 return $tags;
4085         }
4086
4087         function trim_value(&$value) {
4088                 $value = trim($value);
4089         }
4090
4091         function trim_array($array) {
4092                 $tmp = $array;
4093                 array_walk($tmp, 'trim_value');
4094                 return $tmp;
4095         }
4096
4097         function tag_is_valid($tag) {
4098                 if ($tag == '') return false;
4099                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4100
4101                 $tag = iconv("utf-8", "utf-8", $tag);
4102                 if (!$tag) return false;
4103
4104                 return true;
4105         }
4106
4107         function render_login_form($link, $mobile = false) {
4108                 if (!$mobile) {
4109                         require_once "login_form.php";
4110                 } else {
4111                         require_once "mobile/login_form.php";
4112                 }
4113         }
4114
4115         // from http://developer.apple.com/internet/safari/faq.html
4116         function no_cache_incantation() {
4117                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4118                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4119                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4120                 header("Cache-Control: post-check=0, pre-check=0", false);
4121                 header("Pragma: no-cache"); // HTTP/1.0
4122         }
4123
4124         function format_warning($msg, $id = "") {
4125                 return "<div class=\"warning\" id=\"$id\">
4126                         <img src=\"images/sign_excl.gif\">$msg</div>";
4127         }
4128
4129         function format_notice($msg) {
4130                 return "<div class=\"notice\">
4131                         <img src=\"images/sign_info.gif\">$msg</div>";
4132         }
4133
4134         function format_error($msg) {
4135                 return "<div class=\"error\">
4136                         <img src=\"images/sign_excl.gif\">$msg</div>";
4137         }
4138
4139         function print_notice($msg) {
4140                 return print format_notice($msg);
4141         }
4142
4143         function print_warning($msg) {
4144                 return print format_warning($msg);
4145         }
4146
4147         function print_error($msg) {
4148                 return print format_error($msg);
4149         }
4150
4151
4152         function T_sprintf() {
4153                 $args = func_get_args();
4154                 return vsprintf(__(array_shift($args)), $args);
4155         }
4156
4157         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true) {
4158
4159                 /* we can figure out feed_id from article id anyway, why do we
4160                  * pass feed_id here? */
4161
4162                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4163                         WHERE ref_id = '$id'");
4164
4165                 $feed_id = db_fetch_result($result, 0, "feed_id");
4166
4167                 print "<article id='$id'><![CDATA[";
4168
4169                 $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4170                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4171
4172                 if (db_num_rows($result) == 1) {
4173                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4174                 } else {
4175                         $rtl_content = false;
4176                 }
4177
4178                 if ($rtl_content) {
4179                         $rtl_tag = "dir=\"RTL\"";
4180                         $rtl_class = "RTL";
4181                 } else {
4182                         $rtl_tag = "";
4183                         $rtl_class = "";
4184                 }
4185
4186                 if ($mark_as_read) {
4187                         $result = db_query($link, "UPDATE ttrss_user_entries
4188                                 SET unread = false,last_read = NOW()
4189                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4190                 }
4191
4192                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4193                         SUBSTRING(updated,1,16) as updated,
4194                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4195                         num_comments,
4196                         author
4197                         FROM ttrss_entries,ttrss_user_entries
4198                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4199
4200                 if ($result) {
4201
4202                         $link_target = "";
4203
4204                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4205                                 $link_target = "target=\"_new\"";
4206                         }
4207
4208                         $line = db_fetch_assoc($result);
4209
4210                         if ($line["icon_url"]) {
4211                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4212                         } else {
4213                                 $feed_icon = "&nbsp;";
4214                         }
4215
4216 /*                      if ($line["comments"] && $line["link"] != $line["comments"]) {
4217                                 $entry_comments = "(<a href=\"".$line["comments"]."\">Comments</a>)";
4218                         } else {
4219                                 $entry_comments = "";
4220                         } */
4221
4222                         $num_comments = $line["num_comments"];
4223                         $entry_comments = "";
4224
4225                         if ($num_comments > 0) {
4226                                 if ($line["comments"]) {
4227                                         $comments_url = $line["comments"];
4228                                 } else {
4229                                         $comments_url = $line["link"];
4230                                 }
4231                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4232                         } else {
4233                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4234                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4235                                 }
4236                         }
4237
4238                         print "<div class=\"postReply\">";
4239
4240                         print "<div class=\"postHeader\">";
4241
4242                         $entry_author = $line["author"];
4243
4244                         if ($entry_author) {
4245                                 $entry_author = __(" - by ") . $entry_author;
4246                         }
4247
4248                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4249                                 strtotime($line["updated"]));
4250
4251                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4252
4253                         if ($line["link"]) {
4254                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4255                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4256                         } else {
4257                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4258                         }
4259
4260 /*                      $tmp_result = db_query($link, "SELECT DISTINCT tag_name FROM
4261                                 ttrss_tags WHERE post_int_id = " . $line["int_id"] . "
4262                                 ORDER BY tag_name"); */
4263
4264                         $tags = get_article_tags($link, $id);
4265
4266                         $tags_str = "";
4267                         $f_tags_str = "";
4268
4269                         $num_tags = 0;
4270
4271                         foreach ($tags as $tag) {
4272                                 $num_tags++;
4273                                 $tag_escaped = str_replace("'", "\\'", $tag);
4274
4275                                 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>, ";
4276
4277                                 if ($num_tags == 6) {
4278                                         $tags_str .= "...";
4279
4280                                 } else if ($num_tags < 6) {
4281                                         $tags_str .= $tag_str;
4282                                 }
4283                                 $f_tags_str .= $tag_str;
4284                         }
4285
4286                         $tags_str = preg_replace("/, $/", "", $tags_str);
4287                         $f_tags_str = preg_replace("/, $/", "", $f_tags_str);
4288
4289                         $all_tags_div = "<span class='cdmAllTagsCtr'>...<div class='cdmAllTags'>All Tags: $f_tags_str</div></span>";
4290                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4291
4292                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4293
4294                         if (!$tags_str) $tags_str = '<span class="tagList">'.__('no tags').'</span>';
4295
4296                         print "<div style='float : right'>
4297                                 <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>
4298                                 $tags_str
4299                                 <a title=\"Edit tags for this article\"
4300                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a></div>
4301                                 <div clear='both'>$entry_comments</div>";
4302
4303                         print "</div>";
4304
4305                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4306                         print "<div class=\"postContent\">";
4307
4308                         #print "<div id=\"allEntryTags\">".__('Tags:')." $f_tags_str</div>";
4309
4310                         $line["content"] = sanitize_rss($link, $line["content"]);
4311
4312                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4313                                 $line["content"] = preg_replace("/href=/i", "target=\"_new\" href=", $line["content"]);
4314                         }
4315
4316                         print $line["content"] . "</div>";
4317
4318                         print "</div>";
4319
4320                 }
4321
4322                 print "]]></article>";
4323
4324         }
4325
4326         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4327                                         $next_unread_feed, $offset) {
4328
4329                 $timing_info = getmicrotime();
4330
4331                 $topmost_article_ids = array();
4332
4333                 if (!$offset) {
4334                         $offset = 0;
4335                 }
4336
4337                 if ($subop == "undefined") $subop = "";
4338
4339                 if ($subop == "CatchupSelected") {
4340                         $ids = split(",", db_escape_string($_GET["ids"]));
4341                         $cmode = sprintf("%d", $_GET["cmode"]);
4342
4343                         catchupArticlesById($link, $ids, $cmode);
4344                 }
4345
4346                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4347                         update_generic_feed($link, $feed, $cat_view);
4348                 }
4349
4350                 if ($subop == "MarkAllRead")  {
4351                         catchup_feed($link, $feed, $cat_view);
4352
4353                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4354                                 if ($next_unread_feed) {
4355                                         $feed = $next_unread_feed;
4356                                 }
4357                         }
4358                 }
4359
4360                 if ($feed_id > 0) {
4361                         $result = db_query($link,
4362                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4363
4364                         if (db_num_rows($result) == 0) {
4365                                 print "<div align='center'>".__('Feed not found.')."</div>";
4366                                 return;
4367                         }
4368                 }
4369
4370                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4371
4372                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4373                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4374
4375                         if (db_num_rows($result) == 1) {
4376                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4377                         } else {
4378                                 $rtl_content = false;
4379                         }
4380
4381                         if ($rtl_content) {
4382                                 $rtl_tag = "dir=\"RTL\"";
4383                         } else {
4384                                 $rtl_tag = "";
4385                         }
4386                 } else {
4387                         $rtl_tag = "";
4388                         $rtl_content = false;
4389                 }
4390
4391                 $script_dt_add = get_script_dt_add();
4392
4393                 /// START /////////////////////////////////////////////////////////////////////////////////
4394
4395                 $search = db_escape_string($_GET["query"]);
4396                 $search_mode = db_escape_string($_GET["search_mode"]);
4397                 $match_on = db_escape_string($_GET["match_on"]);
4398
4399                 if (!$match_on) {
4400                         $match_on = "both";
4401                 }
4402
4403                 $real_offset = $offset * $limit;
4404
4405                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4406
4407                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4408                         $search, $search_mode, $match_on, false, $real_offset);
4409
4410                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4411
4412                 $result = $qfh_ret[0];
4413                 $feed_title = $qfh_ret[1];
4414                 $feed_site_url = $qfh_ret[2];
4415                 $last_error = $qfh_ret[3];
4416
4417                 if ($feed == -2) {
4418                         $feed_site_url = article_publish_url($link);
4419                 }
4420
4421                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4422
4423                 if (!$offset) {
4424                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4425
4426                         if (!$result) {
4427                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4428                                 return;
4429                         }
4430
4431                         print_headline_subtoolbar($link, $feed_site_url, $feed_title, false,
4432                                 $rtl_content, $feed, $cat_view, $search, $match_on, $search_mode,
4433                                 $offset, $limit);
4434
4435                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4436                 }
4437
4438                 $headlines_count = db_num_rows($result);
4439
4440                 if (db_num_rows($result) > 0) {
4441
4442 #                       print "\{$offset}";
4443
4444                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4445                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4446                                         cellspacing=\"0\">";
4447                         }
4448
4449                         $lnum = $limit*$offset;
4450
4451                         error_reporting (DEFAULT_ERROR_LEVEL);
4452
4453                         $num_unread = 0;
4454
4455                         while ($line = db_fetch_assoc($result)) {
4456
4457                                 $class = ($lnum % 2) ? "even" : "odd";
4458
4459                                 $id = $line["id"];
4460                                 $feed_id = $line["feed_id"];
4461
4462                                 if (count($topmost_article_ids) < 5) {
4463                                         array_push($topmost_article_ids, $id);
4464                                 }
4465
4466                                 if ($line["last_read"] == "" &&
4467                                                 ($line["unread"] != "t" && $line["unread"] != "1")) {
4468
4469                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
4470                                                 alt=\"Updated\">";
4471                                 } else {
4472                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4473                                                 alt=\"Updated\">";
4474                                 }
4475
4476                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4477                                         $class .= "Unread";
4478                                         ++$num_unread;
4479                                         $is_unread = true;
4480                                 } else {
4481                                         $is_unread = false;
4482                                 }
4483
4484                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4485
4486                                 if ($is_ie) {
4487                                         $mark_img_ext = "gif";
4488                                 } else {
4489                                         $mark_img_ext = "png";
4490                                 }
4491
4492                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4493                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
4494                                                 class=\"markedPic\"
4495                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
4496                                 } else {
4497                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
4498                                                 class=\"markedPic\"
4499                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
4500                                 }
4501
4502                                 if ($line["published"] == "t" || $line["published"] == "1") {
4503                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
4504                                                 class=\"markedPic\"
4505                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4506                                 } else {
4507                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
4508                                                 class=\"markedPic\"
4509                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4510                                 }
4511
4512 #                               $content_link = "<a target=\"_new\" href=\"".$line["link"]."\">" .
4513 #                                       $line["title"] . "</a>";
4514
4515                                 $content_link = "<a href=\"javascript:view($id,$feed_id);\">" .
4516                                         $line["title"] . "</a>";
4517
4518 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4519 #                                       $line["title"] . "</a>";
4520
4521                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4522                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
4523                                 } else {
4524                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4525                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
4526                                 }
4527
4528                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4529                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4530                                                 100);
4531                                 }
4532
4533                                 $entry_author = $line["author"];
4534
4535                                 if ($entry_author) {
4536                                         $entry_author = " - by $entry_author";
4537                                 }
4538
4539                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4540
4541                                         print "<tr class='$class' id='RROW-$id'>";
4542
4543                                         print "<td class='hlUpdPic'>$update_pic</td>";
4544
4545                                         print "<td class='hlSelectRow'>
4546                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
4547                                                         id=\"RCHK-$id\">
4548                                                 </td>";
4549
4550                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
4551                                         print "<td class='hlMarkedPic'>$published_pic</td>";
4552
4553 #                                       if ($line["feed_title"]) {
4554 #                                               print "<td class='hlContent'>$content_link</td>";
4555 #                                               print "<td class='hlFeed'>
4556 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4557 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
4558 #                                       } else {
4559
4560                                         print "<td class='hlContent' valign='middle'>";
4561
4562                                         print "<a href=\"javascript:view($id,$feed_id);\">" .
4563                                                 $line["title"];
4564
4565                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4566                                                 if ($content_preview) {
4567                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
4568                                                 }
4569                                         }
4570
4571                                         print "</a>";
4572
4573 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4574 #                                                       $line["feed_title"]."</a>
4575
4576                                         if ($line["feed_title"]) {
4577                                                 print "<span class=\"hlFeed\">
4578                                                         (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
4579                                                         $line["feed_title"]."</a>)
4580                                                 </span>";
4581                                         }
4582
4583
4584                                         print "</td>";
4585
4586 #                                       }
4587
4588                                         print "<td class=\"hlUpdated\"><nobr>$updated_fmt&nbsp;</nobr></td>";
4589
4590                                         print "</tr>";
4591
4592                                 } else {
4593
4594                                         if ($is_unread) {
4595                                                 $add_class = "Unread";
4596                                         } else {
4597                                                 $add_class = "";
4598                                         }
4599
4600                                         print "<div class=\"cdmArticle$add_class\"
4601                                                 id=\"RROW-$id\" onmouseover='cdmMouseIn(this)'
4602                                                 onmouseout='cdmMouseOut(this)'>";
4603
4604                                         print "<div class=\"cdmHeader\">";
4605
4606                                         print "<div class=\"articleUpdated\">$updated_fmt</div>";
4607
4608                                         print "<a class=\"title\"
4609                                                 onclick=\"javascript:toggleUnread($id, 0)\"
4610                                                 target=\"_new\" href=\"".$line["link"]."\">".$line["title"]."</a>";
4611
4612                                         print $entry_author;
4613
4614                                         if ($line["feed_title"]) {
4615                                                 print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
4616                                         }
4617
4618                                         print "</div>";
4619
4620                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4621                                                 $line["content_preview"] = preg_replace("/href=/i",
4622                                                         "target=\"_new\" href=", $line["content_preview"]);
4623                                         }
4624
4625                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
4626
4627                                         if ($expand_cdm) {
4628                                                 $cdm_cstyle = "";
4629                                         } else {
4630                                                 $cdm_cstyle = "style=\"display : none\"";
4631                                         }
4632
4633                                         print "<div class=\"cdmContent\">";
4634
4635                                         print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
4636                                         print $line["content_preview"];
4637                                         print "</div>";
4638
4639                                         if (!$expand_cdm) {
4640                                                 print "<a id=\"CICH-$id\"
4641                                                         href=\"javascript:cdmExpandArticle($id)\">
4642                                                         Show article</a>";
4643                                         }
4644
4645                                         print "</div><br clear=\"all\">";
4646
4647                                         print "<div class=\"cdmFooter\"><span class='s0'>";
4648
4649                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
4650
4651                                         print __("Select:").
4652                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
4653                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
4654
4655                                         print "</span><span class='s1'>$marked_pic</span> ";
4656                                         print "<span class='s1'>$published_pic</span> ";
4657
4658                                         $tags = get_article_tags($link, $id);
4659
4660                                         $tags_str = "";
4661                                         $full_tags_str = "";
4662                                         $num_tags = 0;
4663
4664                                         foreach ($tags as $tag) {
4665                                                 $num_tags++;
4666                                                 $full_tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
4667                                                 if ($num_tags < 5) {
4668                                                         $tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
4669                                                 } else if ($num_tags == 5) {
4670                                                         $tags_str .= "...";
4671                                                 }
4672                                         }
4673
4674                                         $tags_str = preg_replace("/, $/", "", $tags_str);
4675                                         $full_tags_str = preg_replace("/, $/", "", $full_tags_str);
4676
4677                                         $all_tags_div = "<span class='cdmAllTagsCtr'>...<div class='cdmAllTags'>All Tags: $full_tags_str</div></span>";
4678
4679                                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4680
4681
4682                                         if ($tags_str == "") $tags_str = "no tags";
4683
4684 //                                      print "<img src='images/tag.png' class='markedPic'>";
4685
4686                                         print "<span class='s1'>
4687                                                 <img class='tagsPic' src='images/tag.png' alt='Tags'
4688                                                         title='Tags'> $tags_str <a title=\"Edit tags for this article\"
4689                                                         href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
4690
4691                                         print "</span>";
4692
4693                                         print "<span class='s2'>Toggle: <a class=\"cdmToggleLink\"
4694                                                         href=\"javascript:toggleUnread($id)\">
4695                                                         Unread</a></span>";
4696
4697                                         print "</div>";
4698                                         print "</div>";
4699
4700                                 }
4701
4702                                 ++$lnum;
4703                         }
4704
4705                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4706                                 print "</table>";
4707                         }
4708
4709 //                      print_headline_subtoolbar($link,
4710 //                              "javascript:catchupPage()", "Mark page as read", true, $rtl_content);
4711
4712
4713                 } else {
4714                         if (!$offset) print "<div class='whiteBox'>".__('No articles found.')."</div>";
4715                 }
4716
4717                 if (!$offset) {
4718                         print "</div>";
4719                         print "</div>";
4720                 }
4721
4722                 return array($topmost_article_ids, $headlines_count);
4723         }
4724
4725 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
4726
4727         function printTagCloud($link) {
4728
4729                 /* get first ref_id to count from */
4730
4731                 /*
4732
4733                 $query = "";
4734
4735                 if (DB_TYPE == "pgsql") {
4736                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
4737                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
4738                                 AND date_entered > NOW() - INTERVAL '30 days'";
4739                 } else {
4740                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
4741                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
4742                                 AND date_entered > DATE_SUB(NOW(), INTERVAL 30 DAY)";
4743                 }
4744
4745                 $result = db_query($link, $query);
4746                 $first_id = db_fetch_result($result, 0, "id"); */
4747
4748                 //AND post_int_id >= '$first_id'
4749                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
4750                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
4751                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
4752
4753                 $result = db_query($link, $query);
4754
4755                 $tags = array();
4756
4757                 while ($line = db_fetch_assoc($result)) {
4758                         $tags[$line["tag_name"]] = $line["count"];
4759                 }
4760
4761                 ksort($tags);
4762
4763                 $max_size = 32; // max font size in pixels
4764                 $min_size = 11; // min font size in pixels
4765
4766                 // largest and smallest array values
4767                 $max_qty = max(array_values($tags));
4768                 $min_qty = min(array_values($tags));
4769
4770                 // find the range of values
4771                 $spread = $max_qty - $min_qty;
4772                 if ($spread == 0) { // we don't want to divide by zero
4773                                 $spread = 1;
4774                 }
4775
4776                 // set the font-size increment
4777                 $step = ($max_size - $min_size) / ($spread);
4778
4779                 // loop through the tag array
4780                 foreach ($tags as $key => $value) {
4781                         // calculate font-size
4782                         // find the $value in excess of $min_qty
4783                         // multiply by the font-size increment ($size)
4784                         // and add the $min_size set above
4785                         $size = round($min_size + (($value - $min_qty) * $step));
4786
4787                         $key_escaped = str_replace("'", "\\'", $key);
4788
4789                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
4790                                 $size . "px\" title=\"$value articles tagged with " .
4791                                 $key . '">' . $key . '</a> ';
4792                 }
4793         }
4794
4795         function print_checkpoint($n, $s) {
4796                 $ts = getmicrotime();
4797                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
4798                 return $ts;
4799         }
4800
4801         function sanitize_tag($tag) {
4802                 $tag = trim($tag);
4803
4804                 $tag = mb_strtolower($tag, 'utf-8');
4805
4806                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
4807
4808 //              $tag = str_replace('"', "", $tag);
4809 //              $tag = str_replace("+", " ", $tag);
4810                 $tag = str_replace("technorati tag: ", "", $tag);
4811
4812                 return $tag;
4813         }
4814
4815         function generate_publish_key() {
4816                 return sha1(uniqid(rand(), true));
4817         }
4818
4819         function article_publish_url($link) {
4820
4821                 $url_path = 'http://' . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
4822
4823                 $url_path .= "?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
4824
4825                 return $url_path;
4826         }
4827
4828         function clear_feed_articles($link, $id) {
4829                 $result = db_query($link, "DELETE FROM ttrss_user_entries
4830                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
4831
4832                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
4833                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
4834         }
4835
4836         function add_feed_url() {
4837                 $url_path = 'http://' . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
4838                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
4839                 return $url_path;
4840         }
4841
4842         function encrypt_password($pass, $login = '') {
4843                 if ($login) {
4844                         return "SHA1X:" . sha1("$login:$pass");
4845                 } else {
4846                         return "SHA1:" . sha1($pass);
4847                 }
4848         }
4849
4850 ?>