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         include_once "tw/tw-config.php";
  77         include_once "tw/tw.php";
  78         include_once TW_SETUP . "paranoya.php";
  79
  80         $tw_parser = new twParser();
  81
  82         function _debug($msg) {
  83                 $ts = strftime("%H:%M:%S", time());
  84                 print "[$ts] $msg\n";
  85         }
  86
  87         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
  88
  89                 $rows = -1;
  90
  91                 if (DB_TYPE == "pgsql") {
  92 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
  93                                 marked = false AND feed_id = '$feed_id' AND
  94                                 (SELECT date_entered FROM ttrss_entries WHERE
  95                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
  96
  97                         $pg_version = get_pgsql_version($link);
  98
  99                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 100
 101                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 102                                         ttrss_entries.id = ref_id AND
 103                                         marked = false AND
 104                                         feed_id = '$feed_id' AND
 105                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 106
 107                         } else {
 108
 109                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 110                                         USING ttrss_entries
 111                                         WHERE ttrss_entries.id = ref_id AND
 112                                         marked = false AND
 113                                         feed_id = '$feed_id' AND
 114                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 115                         }
 116
 117                         $rows = pg_affected_rows($result);
 118
 119                 } else {
 120
 121 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 122                                 marked = false AND feed_id = '$feed_id' AND
 123                                 (SELECT date_entered FROM ttrss_entries WHERE
 124                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 125
 126                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 127                                 USING ttrss_user_entries, ttrss_entries
 128                                 WHERE ttrss_entries.id = ref_id AND
 129                                 marked = false AND
 130                                 feed_id = '$feed_id' AND
 131                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 132
 133                         $rows = mysql_affected_rows($link);
 134
 135                 }
 136
 137                 if ($debug) {
 138                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 139                 }
 140         }
 141
 142         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 143
 144                 $random_qpart = sql_random_function();
 145
 146                 if ($limit) {
 147                         $limit_qpart = "LIMIT $limit";
 148                 } else {
 149                         $limit_qpart = "";
 150                 }
 151
 152                 $result = db_query($link,
 153                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 154                                 ORDER BY $random_qpart $limit_qpart");
 155
 156                 while ($line = db_fetch_assoc($result)) {
 157
 158                         $feed_id = $line["id"];
 159                         $purge_interval = $line["purge_interval"];
 160                         $owner_uid = $line["owner_uid"];
 161
 162                         if ($purge_interval == 0) {
 163
 164                                 $tmp_result = db_query($link,
 165                                         "SELECT value FROM ttrss_user_prefs WHERE
 166                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 167
 168                                 if (db_num_rows($tmp_result) != 0) {
 169                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 170                                 }
 171                         }
 172
 173                         if ($do_output) {
 174 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 175                         }
 176
 177                         if ($purge_interval > 0) {
 178                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 179                         }
 180                 }
 181
 182                 // purge orphaned posts in main content table
 183                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 184                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 185
 186                 if ($do_output) {
 187                         $rows = db_affected_rows($link, $result);
 188                         _debug("Purged $rows orphaned posts.");
 189                 }
 190
 191         }
 192
 193         function purge_old_posts($link) {
 194
 195                 $user_id = $_SESSION["uid"];
 196
 197                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 198                         WHERE owner_uid = '$user_id'");
 199
 200                 while ($line = db_fetch_assoc($result)) {
 201
 202                         $feed_id = $line["id"];
 203                         $purge_interval = $line["purge_interval"];
 204
 205                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 206
 207                         if ($purge_interval > 0) {
 208                                 purge_feed($link, $feed_id, $purge_interval);
 209                         }
 210                 }
 211
 212                 // purge orphaned posts in main content table
 213                 db_query($link, "DELETE FROM ttrss_entries WHERE
 214                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 215         }
 216
 217         function get_feed_update_interval($link, $feed_id) {
 218                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 219                         ttrss_feeds WHERE id = '$feed_id'");
 220
 221                 if (db_num_rows($result) == 1) {
 222                         $update_interval = db_fetch_result($result, 0, "update_interval");
 223                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 224
 225                         if ($update_interval != 0) {
 226                                 return $update_interval;
 227                         } else {
 228                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 229                         }
 230
 231                 } else {
 232                         return -1;
 233                 }
 234         }
 235
 236         function update_all_feeds($link, $fetch, $user_id = false, $force_daemon = false) {
 237
 238                 if (WEB_DEMO_MODE) return;
 239
 240                 if (!$user_id) {
 241                         $user_id = $_SESSION["uid"];
 242                         purge_old_posts($link);
 243                 }
 244
 245 //              db_query($link, "BEGIN");
 246
 247                 if (MAX_UPDATE_TIME > 0) {
 248                         if (DB_TYPE == "mysql") {
 249                                 $q_order = "RAND()";
 250                         } else {
 251                                 $q_order = "RANDOM()";
 252                         }
 253                 } else {
 254                         $q_order = "last_updated DESC";
 255                 }
 256
 257                 $result = db_query($link, "SELECT feed_url,id,
 258                         SUBSTRING(last_updated,1,19) AS last_updated,
 259                         update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'
 260                         ORDER BY $q_order");
 261
 262                 $upd_start = time();
 263
 264                 while ($line = db_fetch_assoc($result)) {
 265                         $upd_intl = $line["update_interval"];
 266
 267                         if (!$upd_intl || $upd_intl == 0) {
 268                                 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id, false);
 269                         }
 270
 271                         if ($upd_intl < 0) {
 272                                 // Updates for this feed are disabled
 273                                 continue;
 274                         }
 275
 276                         if ($fetch || (!$line["last_updated"] ||
 277                                 time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
 278
 279 //                              print "<!-- feed: ".$line["feed_url"]." -->";
 280
 281                                 update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
 282
 283                                 $upd_elapsed = time() - $upd_start;
 284
 285                                 if (MAX_UPDATE_TIME > 0 && $upd_elapsed > MAX_UPDATE_TIME) {
 286                                         return;
 287                                 }
 288                         }
 289                 }
 290
 291 //              db_query($link, "COMMIT");
 292
 293         }
 294
 295         function fetch_file_contents($url) {
 296                 if (USE_CURL_FOR_ICONS) {
 297                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
 298
 299                         $ch = curl_init($url);
 300                         $fp = fopen($tmpfile, "w");
 301
 302                         if ($fp) {
 303                                 curl_setopt($ch, CURLOPT_FILE, $fp);
 304                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 305                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 306                                 curl_exec($ch);
 307                                 curl_close($ch);
 308                                 fclose($fp);
 309                         }
 310
 311                         $contents =  file_get_contents($tmpfile);
 312                         unlink($tmpfile);
 313
 314                         return $contents;
 315
 316                 } else {
 317                         return file_get_contents($url);
 318                 }
 319
 320         }
 321
 322         // adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 323         // http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 324
 325         function get_favicon_url($url) {
 326
 327                 if ($html = @fetch_file_contents($url)) {
 328
 329                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 330                                 // Attempt to grab a favicon link from their webpage url
 331                                 $linkUrl = html_entity_decode($matches[1]);
 332
 333                                 if (substr($linkUrl, 0, 1) == '/') {
 334                                         $urlParts = parse_url($url);
 335                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 336                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 337                                         $faviconURL = $linkUrl;
 338                                 } else if (substr($url, -1, 1) == '/') {
 339                                         $faviconURL = $url.$linkUrl;
 340                                 } else {
 341                                         $faviconURL = $url.'/'.$linkUrl;
 342                                 }
 343
 344                         } else {
 345                                 // If unsuccessful, attempt to "guess" the favicon location
 346                                 $urlParts = parse_url($url);
 347                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 348                         }
 349                 }
 350
 351                 // Run a test to see if what we have attempted to get actually exists.
 352                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 353                         return $faviconURL;
 354                 } else {
 355                         return false;
 356                 }
 357         }
 358
 359         function url_validate($link) {
 360
 361                 $url_parts = @parse_url($link);
 362
 363                 if ( empty( $url_parts["host"] ) )
 364                                 return false;
 365
 366                 if ( !empty( $url_parts["path"] ) ) {
 367                                 $documentpath = $url_parts["path"];
 368                 } else {
 369                                 $documentpath = "/";
 370                 }
 371
 372                 if ( !empty( $url_parts["query"] ) )
 373                                 $documentpath .= "?" . $url_parts["query"];
 374
 375                 $host = $url_parts["host"];
 376                 $port = $url_parts["port"];
 377
 378                 if ( empty($port) )
 379                                 $port = "80";
 380
 381                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 382
 383                 if ( !$socket )
 384                                 return false;
 385
 386                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 387
 388                 $http_response = fgets( $socket, 22 );
 389
 390                 $responses = "/(200 OK)|(30[0-9] Moved)/";
 391                 if ( preg_match($responses, $http_response) ) {
 392                                 fclose($socket);
 393                                 return true;
 394                 } else {
 395                                 return false;
 396                 }
 397
 398         }
 399
 400         function check_feed_favicon($site_url, $feed, $link) {
 401                 $favicon_url = get_favicon_url($site_url);
 402
 403 #               print "FAVICON [$site_url]: $favicon_url\n";
 404
 405                 error_reporting(0);
 406
 407                 $icon_file = ICONS_DIR . "/$feed.ico";
 408
 409                 if ($favicon_url && !file_exists($icon_file)) {
 410                         $contents = fetch_file_contents($favicon_url);
 411
 412                         $fp = fopen($icon_file, "w");
 413
 414                         if ($fp) {
 415                                 fwrite($fp, $contents);
 416                                 fclose($fp);
 417                                 chmod($icon_file, 0644);
 418                         }
 419                 }
 420
 421                 error_reporting(DEFAULT_ERROR_LEVEL);
 422
 423         }
 424
 425         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 426
 427                 if (DAEMON_REFRESH_ONLY && !$_GET["daemon"] && !$ignore_daemon) {
 428                         return;
 429                 }
 430
 431                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 432                         _debug("update_rss_feed: start");
 433                 }
 434
 435                 $result = db_query($link, "SELECT id,update_interval,auth_login,auth_pass,cache_images
 436                         FROM ttrss_feeds WHERE id = '$feed'");
 437
 438                 if (db_num_rows($result) == 0) {
 439                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 440                                 _debug("update_rss_feed: feed $feed [$feed_url] NOT FOUND");
 441                         }
 442                         return;
 443                 }
 444
 445                 $auth_login = urlencode(db_fetch_result($result, 0, "auth_login"));
 446                 $auth_pass = urlencode(db_fetch_result($result, 0, "auth_pass"));
 447
 448                 $update_interval = db_fetch_result($result, 0, "update_interval");
 449                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 450
 451                 if ($update_interval < 0) { return; }
 452
 453                 $feed = db_escape_string($feed);
 454
 455                 $fetch_url = $feed_url;
 456
 457                 if ($auth_login && $auth_pass) {
 458                         $url_parts = array();
 459                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 460
 461                         if ($url_parts[1] && $url_parts[2]) {
 462                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 463                         }
 464
 465                 }
 466
 467                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 468                         _debug("update_rss_feed: fetching [$fetch_url]...");
 469                 }
 470
 471                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_GET['xdebug']) {
 472                         error_reporting(0);
 473                 }
 474
 475                 if (!ENABLE_SIMPLEPIE) {
 476                         $rss = fetch_rss($fetch_url);
 477                 } else {
 478                         if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 479                                 mkdir(SIMPLEPIE_CACHE_DIR);
 480                         }
 481
 482                         $rss = new SimplePie();
 483                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 484                         $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
 485                         $rss->set_feed_url($fetch_url);
 486                         $rss->set_output_encoding('UTF-8');
 487
 488                         if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 489                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 490                                         _debug("enabling image cache");
 491                                 }
 492
 493                                 $rss->set_image_handler('./image.php', 'i');
 494                         }
 495
 496                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 497                                 _debug("feed update interval (sec): " .
 498                                         get_feed_update_interval($link, $feed)*60);
 499                         }
 500
 501                         if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 502                                 $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 503                                 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 504                         }
 505
 506                         $rss->init();
 507                 }
 508
 509 //              print_r($rss);
 510
 511                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 512                         _debug("update_rss_feed: fetch done, parsing...");
 513                 } else {
 514                         error_reporting (DEFAULT_ERROR_LEVEL);
 515                 }
 516
 517                 $feed = db_escape_string($feed);
 518
 519                 if (ENABLE_SIMPLEPIE) {
 520                         $fetch_ok = !$rss->error();
 521                 } else {
 522                         $fetch_ok = !!$rss;
 523                 }
 524
 525                 if ($fetch_ok) {
 526
 527                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 528                                 _debug("update_rss_feed: processing feed data...");
 529                         }
 530
 531 //                      db_query($link, "BEGIN");
 532
 533                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 534                                 FROM ttrss_feeds WHERE id = '$feed'");
 535
 536                         $registered_title = db_fetch_result($result, 0, "title");
 537                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 538                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 539
 540                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 541
 542                         if (ENABLE_SIMPLEPIE) {
 543                                 $site_url = $rss->get_link();
 544                         } else {
 545                                 $site_url = $rss->channel["link"];
 546                         }
 547
 548                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 549                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 550                                         _debug("update_rss_feed: checking favicon...");
 551                                 }
 552
 553                                 check_feed_favicon($site_url, $feed, $link);
 554                         }
 555
 556                         if (!$registered_title || $registered_title == "[Unknown]") {
 557
 558                                 if (ENABLE_SIMPLEPIE) {
 559                                         $feed_title = db_escape_string($rss->get_title());
 560                                 } else {
 561                                         $feed_title = db_escape_string($rss->channel["title"]);
 562                                 }
 563
 564                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 565                                         _debug("update_rss_feed: registering title: $feed_title");
 566                                 }
 567
 568                                 db_query($link, "UPDATE ttrss_feeds SET
 569                                         title = '$feed_title' WHERE id = '$feed'");
 570                         }
 571
 572                         // weird, weird Magpie
 573                         if (!ENABLE_SIMPLEPIE) {
 574                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 575                         }
 576
 577                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 578                                 db_query($link, "UPDATE ttrss_feeds SET
 579                                         site_url = '$site_url' WHERE id = '$feed'");
 580                         }
 581
 582 //                      print "I: " . $rss->channel["image"]["url"];
 583
 584                         if (!ENABLE_SIMPLEPIE) {
 585                                 $icon_url = $rss->image["url"];
 586                         } else {
 587                                 $icon_url = $rss->get_image_url();
 588                         }
 589
 590                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 591                                 $icon_url = db_escape_string($icon_url);
 592                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 593                         }
 594
 595                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 596                                 _debug("update_rss_feed: loading filters...");
 597                         }
 598
 599                         $filters = array();
 600
 601                         $result = db_query($link, "SELECT reg_exp,
 602                                 ttrss_filter_types.name AS name,
 603                                 ttrss_filter_actions.name AS action,
 604                                 inverse,
 605                                 action_param
 606                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
 607                                         enabled = true AND
 608                                         owner_uid = $owner_uid AND
 609                                         ttrss_filter_types.id = filter_type AND
 610                                         ttrss_filter_actions.id = action_id AND
 611                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
 612
 613                         while ($line = db_fetch_assoc($result)) {
 614                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
 615
 616                                 $filter["reg_exp"] = $line["reg_exp"];
 617                                 $filter["action"] = $line["action"];
 618                                 $filter["action_param"] = $line["action_param"];
 619                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
 620
 621                                 array_push($filters[$line["name"]], $filter);
 622                         }
 623
 624                         if (ENABLE_SIMPLEPIE) {
 625                                 $iterator = $rss->get_items();
 626                         } else {
 627                                 $iterator = $rss->items;
 628                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 629                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 630                         }
 631
 632                         if (!is_array($iterator)) {
 633                                 /* db_query($link, "UPDATE ttrss_feeds
 634                                         SET last_error = 'Parse error: can\'t find any articles.'
 635                                         WHERE id = '$feed'"); */
 636
 637                                 // clear any errors and mark feed as updated if fetched okay
 638                                 // even if it's blank
 639
 640                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 641                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 642                                 }
 643
 644                                 db_query($link, "UPDATE ttrss_feeds
 645                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 646
 647                                 return; // no articles
 648                         }
 649
 650                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 651                                 _debug("update_rss_feed: processing articles...");
 652                         }
 653
 654                         foreach ($iterator as $item) {
 655
 656                                 if (ENABLE_SIMPLEPIE) {
 657                                         $entry_guid = $item->get_id();
 658                                         if (!$entry_guid) $entry_guid = $item->get_link();
 659                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 660
 661                                 } else {
 662
 663                                         $entry_guid = $item["id"];
 664
 665                                         if (!$entry_guid) $entry_guid = $item["guid"];
 666                                         if (!$entry_guid) $entry_guid = $item["link"];
 667                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 668                                 }
 669
 670                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 671                                         _debug("update_rss_feed: guid $entry_guid");
 672                                 }
 673
 674                                 if (!$entry_guid) continue;
 675
 676                                 $entry_timestamp = "";
 677
 678                                 if (ENABLE_SIMPLEPIE) {
 679                                         $entry_timestamp = strtotime($item->get_date());
 680                                 } else {
 681                                         $rss_2_date = $item['pubdate'];
 682                                         $rss_1_date = $item['dc']['date'];
 683                                         $atom_date = $item['issued'];
 684                                         if (!$atom_date) $atom_date = $item['updated'];
 685
 686                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 687                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 688                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 689                                 }
 690
 691                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 692                                         _debug("update_rss_feed: date $entry_timestamp");
 693                                 }
 694
 695                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 696                                         $entry_timestamp = time();
 697                                         $no_orig_date = 'true';
 698                                 } else {
 699                                         $no_orig_date = 'false';
 700                                 }
 701
 702                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 703
 704                                 if (ENABLE_SIMPLEPIE) {
 705                                         $entry_title = $item->get_title();
 706                                 } else {
 707                                         $entry_title = trim(strip_tags($item["title"]));
 708                                 }
 709
 710                                 if (ENABLE_SIMPLEPIE) {
 711                                         $entry_link = $item->get_link();
 712                                 } else {
 713                                         // strange Magpie workaround
 714                                         $entry_link = $item["link_"];
 715                                         if (!$entry_link) $entry_link = $item["link"];
 716                                 }
 717
 718                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 719                                         _debug("update_rss_feed: title $entry_title");
 720                                 }
 721
 722                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 723
 724                                 $entry_link = strip_tags($entry_link);
 725
 726                                 if (ENABLE_SIMPLEPIE) {
 727                                         $entry_content = $item->get_description();
 728                                 } else {
 729                                         $entry_content = $item["content:escaped"];
 730
 731                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 732                                         if (!$entry_content) $entry_content = $item["content"];
 733                                         if (!$entry_content) $entry_content = $item["atom_content"];
 734                                         if (!$entry_content) $entry_content = $item["summary"];
 735                                         if (!$entry_content) $entry_content = $item["description"];
 736
 737                                         // WTF
 738                                         if (is_array($entry_content)) {
 739                                                 $entry_content = $entry_content["encoded"];
 740                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 741                                         }
 742                                 }
 743
 744 //                              print_r($item);
 745 //                              print_r(htmlspecialchars($entry_content));
 746 //                              print "<br>";
 747
 748                                 $entry_content_unescaped = $entry_content;
 749
 750                                 if (ENABLE_SIMPLEPIE) {
 751                                         $entry_comments = strip_tags($item->data["comments"]);
 752                                         if ($item->get_author()) {
 753                                                 $entry_author_item = $item->get_author();
 754                                                 $entry_author = $entry_author_item->get_name();
 755                                         }
 756                                 } else {
 757                                         $entry_comments = strip_tags($item["comments"]);
 758
 759                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 760
 761                                         if ($item['author']) {
 762
 763                                                 if (is_array($item['author'])) {
 764
 765                                                         if (!$entry_author) {
 766                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 767                                                         }
 768
 769                                                         if (!$entry_author) {
 770                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 771                                                         }
 772                                                 }
 773
 774                                                 if (!$entry_author) {
 775                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 776                                                 }
 777                                         }
 778                                 }
 779
 780                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 781
 782                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 783
 784                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 785                                         WHERE guid = '$entry_guid'");
 786
 787                                 $entry_content = db_escape_string($entry_content);
 788
 789                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 790
 791                                 $entry_title = db_escape_string($entry_title);
 792                                 $entry_link = db_escape_string($entry_link);
 793                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 794                                 $entry_author = mb_substr($entry_author, 0, 250);
 795
 796                                 if (ENABLE_SIMPLEPIE) {
 797                                         $num_comments = 0; #FIXME#
 798                                 } else {
 799                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 800                                 }
 801
 802                                 if (!$num_comments) $num_comments = 0;
 803
 804                                 // parse <category> entries into tags
 805
 806                                 if (ENABLE_SIMPLEPIE) {
 807
 808                                         $additional_tags = array();
 809                                         $additional_tags_src = $item->get_categories();
 810
 811                                         if (is_array($additional_tags_src)) {
 812                                                 foreach ($additional_tags_src as $tobj) {
 813                                                         array_push($additional_tags, $tobj->get_term());
 814                                                 }
 815                                         }
 816
 817                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 818                                                 _debug("update_rss_feed: category tags:");
 819                                                 print_r($additional_tags);
 820                                         }
 821
 822                                 } else {
 823
 824                                         $t_ctr = $item['category#'];
 825
 826                                         $additional_tags = false;
 827
 828                                         if ($t_ctr == 0) {
 829                                                 $additional_tags = false;
 830                                         } else if ($t_ctr == 1) {
 831                                                 $additional_tags = array($item['category']);
 832                                         } else {
 833                                                 $additional_tags = array();
 834                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 835                                                         if ($item["category#$i"]) {
 836                                                                 array_push($additional_tags, $item["category#$i"]);
 837                                                         }
 838                                                 }
 839                                         }
 840
 841                                         // parse <dc:subject> elements
 842
 843                                         $t_ctr = $item['dc']['subject#'];
 844
 845                                         if ($t_ctr == 1) {
 846                                                 $additional_tags = array($item['dc']['subject']);
 847                                         } else if ($t_ctr > 1) {
 848                                                 $additional_tags = array();
 849                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 850                                                         if ($item['dc']["subject#$i"]) {
 851                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
 852                                                         }
 853                                                 }
 854                                         }
 855                                 }
 856
 857                                 # sanitize content
 858
 859 //                              $entry_content = sanitize_rss($entry_content);
 860
 861                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 862                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
 863                                 }
 864
 865                                 db_query($link, "BEGIN");
 866
 867                                 if (db_num_rows($result) == 0) {
 868
 869                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 870                                                 _debug("update_rss_feed: base guid not found");
 871                                         }
 872
 873                                         // base post entry does not exist, create it
 874
 875                                         $result = db_query($link,
 876                                                 "INSERT INTO ttrss_entries
 877                                                         (title,
 878                                                         guid,
 879                                                         link,
 880                                                         updated,
 881                                                         content,
 882                                                         content_hash,
 883                                                         no_orig_date,
 884                                                         date_entered,
 885                                                         comments,
 886                                                         num_comments,
 887                                                         author)
 888                                                 VALUES
 889                                                         ('$entry_title',
 890                                                         '$entry_guid',
 891                                                         '$entry_link',
 892                                                         '$entry_timestamp_fmt',
 893                                                         '$entry_content',
 894                                                         '$content_hash',
 895                                                         $no_orig_date,
 896                                                         NOW(),
 897                                                         '$entry_comments',
 898                                                         '$num_comments',
 899                                                         '$entry_author')");
 900                                 } else {
 901                                         // we keep encountering the entry in feeds, so we need to
 902                                         // update date_entered column so that we don't get horrible
 903                                         // dupes when the entry gets purged and reinserted again e.g.
 904                                         // in the case of SLOW SLOW OMG SLOW updating feeds
 905
 906                                         $base_entry_id = db_fetch_result($result, 0, "id");
 907
 908                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
 909                                                 WHERE id = '$base_entry_id'");
 910                                 }
 911
 912                                 // now it should exist, if not - bad luck then
 913
 914                                 $result = db_query($link, "SELECT
 915                                                 id,content_hash,no_orig_date,title,
 916                                                 substring(date_entered,1,19) as date_entered,
 917                                                 substring(updated,1,19) as updated,
 918                                                 num_comments
 919                                         FROM
 920                                                 ttrss_entries
 921                                         WHERE guid = '$entry_guid'");
 922
 923                                 if (db_num_rows($result) == 1) {
 924
 925                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 926                                                 _debug("update_rss_feed: base guid found, checking for user record");
 927                                         }
 928
 929                                         // this will be used below in update handler
 930                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
 931                                         $orig_title = db_fetch_result($result, 0, "title");
 932                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
 933                                         $orig_date_entered = strtotime(db_fetch_result($result,
 934                                                 0, "date_entered"));
 935
 936                                         $ref_id = db_fetch_result($result, 0, "id");
 937
 938                                         // check for user post link to main table
 939
 940                                         // do we allow duplicate posts with same GUID in different feeds?
 941                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
 942                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
 943                                         } else {
 944                                                 $dupcheck_qpart = "";
 945                                         }
 946
 947 //                                      error_reporting(0);
 948
 949                                         $article_filters = get_article_filters($filters, $entry_title,
 950                                                         $entry_content, $entry_link);
 951
 952                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 953                                                 _debug("update_rss_feed: article filters: ");
 954                                                 if (count($article_filters) != 0) {
 955                                                         print_r($article_filters);
 956                                                 }
 957                                         }
 958
 959                                         if (find_article_filter($article_filters, "filter")) {
 960                                                 continue;
 961                                         }
 962
 963 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
 964
 965                                         $result = db_query($link,
 966                                                 "SELECT ref_id FROM ttrss_user_entries WHERE
 967                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
 968                                                         $dupcheck_qpart");
 969
 970                                         // okay it doesn't exist - create user entry
 971                                         if (db_num_rows($result) == 0) {
 972
 973                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 974                                                         _debug("update_rss_feed: user record not found, creating...");
 975                                                 }
 976
 977                                                 if (!find_article_filter($article_filters, 'catchup')) {
 978                                                         $unread = 'true';
 979                                                         $last_read_qpart = 'NULL';
 980                                                 } else {
 981                                                         $unread = 'false';
 982                                                         $last_read_qpart = 'NOW()';
 983                                                 }
 984
 985                                                 if (find_article_filter($article_filters, 'mark')) {
 986                                                         $marked = 'true';
 987                                                 } else {
 988                                                         $marked = 'false';
 989                                                 }
 990
 991                                                 if (find_article_filter($article_filters, 'publish')) {
 992                                                         $published = 'true';
 993                                                 } else {
 994                                                         $published = 'false';
 995                                                 }
 996
 997                                                 $result = db_query($link,
 998                                                         "INSERT INTO ttrss_user_entries
 999                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked, published)
1000                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1001                                                                 $last_read_qpart, $marked, $published)");
1002                                         }
1003
1004                                         $post_needs_update = false;
1005
1006                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1007                                                 ($content_hash != $orig_content_hash)) {
1008 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1009                                                 $post_needs_update = true;
1010                                         }
1011
1012                                         if (db_escape_string($orig_title) != $entry_title) {
1013                                                 $post_needs_update = true;
1014                                         }
1015
1016                                         if ($orig_num_comments != $num_comments) {
1017                                                 $post_needs_update = true;
1018                                         }
1019
1020 //                                      this doesn't seem to be very reliable
1021 //
1022 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1023 //                                              $post_needs_update = true;
1024 //                                      }
1025
1026                                         // if post needs update, update it and mark all user entries
1027                                         // linking to this post as updated
1028                                         if ($post_needs_update) {
1029
1030                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1031                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1032                                                 }
1033
1034 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1035
1036                                                 db_query($link, "UPDATE ttrss_entries
1037                                                         SET title = '$entry_title', content = '$entry_content',
1038                                                                 content_hash = '$content_hash',
1039                                                                 num_comments = '$num_comments'
1040                                                         WHERE id = '$ref_id'");
1041
1042                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1043                                                         db_query($link, "UPDATE ttrss_user_entries
1044                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1045                                                 } else {
1046                                                         db_query($link, "UPDATE ttrss_user_entries
1047                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1048                                                 }
1049
1050                                         }
1051                                 }
1052
1053                                 db_query($link, "COMMIT");
1054
1055                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1056                                         _debug("update_rss_feed: looking for tags...");
1057                                 }
1058
1059                                 /* taaaags */
1060                                 // <a href="..." rel="tag">Xorg</a>, //
1061
1062                                 $entry_tags = null;
1063
1064                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1065                                         $entry_content_unescaped, $entry_tags);
1066
1067 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1068                                 print_r($entry_tags);
1069                                 print "<br/></p>"; */
1070
1071                                 $entry_tags = $entry_tags[1];
1072
1073                                 # check for manual tags
1074
1075                                 $tag_filter = find_article_filter($article_filters, "tag");
1076
1077                                 if ($tag_filter) {
1078
1079                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1080
1081                                         foreach ($manual_tags as $tag) {
1082                                                 if (tag_is_valid($tag)) {
1083                                                         array_push($entry_tags, $tag);
1084                                                 }
1085                                         }
1086                                 }
1087
1088                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1089                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1090
1091                                 if ($additional_tags && is_array($additional_tags)) {
1092                                         foreach ($additional_tags as $tag) {
1093                                                 if (tag_is_valid($tag) &&
1094                                                                 array_search($tag, $boring_tags) === FALSE) {
1095                                                         array_push($entry_tags, $tag);
1096                                                 }
1097                                         }
1098                                 }
1099
1100 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1101
1102                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1103                                         print_r($entry_tags);
1104                                 }
1105
1106                                 if (count($entry_tags) > 0) {
1107
1108                                         db_query($link, "BEGIN");
1109
1110                                         $result = db_query($link, "SELECT id,int_id
1111                                                 FROM ttrss_entries,ttrss_user_entries
1112                                                 WHERE guid = '$entry_guid'
1113                                                 AND feed_id = '$feed' AND ref_id = id
1114                                                 AND owner_uid = '$owner_uid'");
1115
1116                                         if (db_num_rows($result) == 1) {
1117
1118                                                 $entry_id = db_fetch_result($result, 0, "id");
1119                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1120
1121                                                 foreach ($entry_tags as $tag) {
1122
1123                                                         $tag = sanitize_tag($tag);
1124                                                         $tag = db_escape_string($tag);
1125
1126                                                         if (!tag_is_valid($tag)) continue;
1127
1128                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1129                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1130                                                                 owner_uid = '$owner_uid' LIMIT 1");
1131
1132         //                                              print db_fetch_result($result, 0, "id");
1133
1134                                                         if ($result && db_num_rows($result) == 0) {
1135
1136                                                                 db_query($link, "INSERT INTO ttrss_tags
1137                                                                         (owner_uid,tag_name,post_int_id)
1138                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1139                                                         }
1140                                                 }
1141                                         }
1142                                         db_query($link, "COMMIT");
1143                                 }
1144
1145                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1146                                         _debug("update_rss_feed: article processed");
1147                                 }
1148                         }
1149
1150                         db_query($link, "UPDATE ttrss_feeds
1151                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1152
1153 //                      db_query($link, "COMMIT");
1154
1155                 } else {
1156
1157                         if (ENABLE_SIMPLEPIE) {
1158                                 $error_msg = mb_substr($rss->error(), 0, 250);
1159                         } else {
1160                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1161                         }
1162
1163                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1164                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1165                         }
1166
1167                         $error_msg = db_escape_string($error_msg);
1168
1169                         db_query($link,
1170                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1171                                         last_updated = NOW() WHERE id = '$feed'");
1172                 }
1173
1174                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1175                         _debug("update_rss_feed: done");
1176                 }
1177
1178         }
1179
1180         function print_select($id, $default, $values, $attributes = "") {
1181                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1182                 foreach ($values as $v) {
1183                         if ($v == $default)
1184                                 $sel = " selected";
1185                          else
1186                                 $sel = "";
1187
1188                         print "<option$sel>$v</option>";
1189                 }
1190                 print "</select>";
1191         }
1192
1193         function print_select_hash($id, $default, $values, $attributes = "") {
1194                 print "<select name=\"$id\" id='$id' $attributes>";
1195                 foreach (array_keys($values) as $v) {
1196                         if ($v == $default)
1197                                 $sel = "selected";
1198                          else
1199                                 $sel = "";
1200
1201                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1202                 }
1203
1204                 print "</select>";
1205         }
1206
1207         function get_article_filters($filters, $title, $content, $link) {
1208                 $matches = array();
1209
1210                 if ($filters["title"]) {
1211                         foreach ($filters["title"] as $filter) {
1212                                 $reg_exp = $filter["reg_exp"];
1213                                 $inverse = $filter["inverse"];
1214                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1215                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1216
1217                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1218                                 }
1219                         }
1220                 }
1221
1222                 if ($filters["content"]) {
1223                         foreach ($filters["content"] as $filter) {
1224                                 $reg_exp = $filter["reg_exp"];
1225                                 $inverse = $filter["inverse"];
1226
1227                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1228                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1229
1230                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1231                                 }
1232                         }
1233                 }
1234
1235                 if ($filters["both"]) {
1236                         foreach ($filters["both"] as $filter) {
1237                                 $reg_exp = $filter["reg_exp"];
1238                                 $inverse = $filter["inverse"];
1239
1240                                 if ($inverse) {
1241                                         if (!preg_match("/$reg_exp/i", $title) || !preg_match("/$reg_exp/i", $content)) {
1242                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1243                                         }
1244                                 } else {
1245                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1246                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1247                                         }
1248                                 }
1249                         }
1250                 }
1251
1252                 if ($filters["link"]) {
1253                         $reg_exp = $filter["reg_exp"];
1254                         foreach ($filters["link"] as $filter) {
1255                                 $reg_exp = $filter["reg_exp"];
1256                                 $inverse = $filter["inverse"];
1257
1258                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1259                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1260
1261                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1262                                 }
1263                         }
1264                 }
1265
1266                 return $matches;
1267         }
1268
1269         function find_article_filter($filters, $filter_name) {
1270                 foreach ($filters as $f) {
1271                         if ($f[0] == $filter_name) {
1272                                 return $f;
1273                         };
1274                 }
1275                 return false;
1276         }
1277
1278         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1279                 $rtl_content = false, $last_updated = false, $last_error = false) {
1280
1281                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1282                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1283                 } else {
1284                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1285                 }
1286
1287                 if ($rtl_content) {
1288                         $rtl_tag = "dir=\"rtl\"";
1289                 } else {
1290                         $rtl_tag = "dir=\"ltr\"";
1291                 }
1292
1293                 $error_notify_msg = "";
1294
1295                 if ($last_error) {
1296                         $link_title = "Error: $last_error ($last_updated)";
1297                         $error_notify_msg = "(Error)";
1298                 } else if ($last_updated) {
1299                         $link_title = "Updated: $last_updated";
1300                 }
1301
1302                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1303                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1304
1305                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1306                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1307                         print "$feed_icon";
1308                 }
1309
1310                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1311
1312                 if ($unread != 0) {
1313                         $fctr_class = "";
1314                 } else {
1315                         $fctr_class = "class=\"invisible\"";
1316                 }
1317
1318                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1319                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1320
1321                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1322                         print "<div class=\"feedExtInfo\">
1323                                 <span id=\"FLUPD-$feed_id\">$last_updated $error_notify_msg</span></div>";
1324                 }
1325
1326                 print "</li>";
1327
1328         }
1329
1330         function getmicrotime() {
1331                 list($usec, $sec) = explode(" ",microtime());
1332                 return ((float)$usec + (float)$sec);
1333         }
1334
1335         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1336                 foreach ($values as $v) {
1337
1338                         if ($v == $default)
1339                                 $sel = "checked";
1340                          else
1341                                 $sel = "";
1342
1343                         if ($v == $true_is) {
1344                                 $sel .= " value=\"1\"";
1345                         } else {
1346                                 $sel .= " value=\"0\"";
1347                         }
1348
1349                         print "<input class=\"noborder\"
1350                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1351
1352                 }
1353         }
1354
1355         function initialize_user_prefs($link, $uid) {
1356
1357                 $uid = db_escape_string($uid);
1358
1359                 db_query($link, "BEGIN");
1360
1361                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1362
1363                 $u_result = db_query($link, "SELECT pref_name
1364                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1365
1366                 $active_prefs = array();
1367
1368                 while ($line = db_fetch_assoc($u_result)) {
1369                         array_push($active_prefs, $line["pref_name"]);
1370                 }
1371
1372                 while ($line = db_fetch_assoc($result)) {
1373                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1374 //                              print "adding " . $line["pref_name"] . "<br>";
1375
1376                                 db_query($link, "INSERT INTO ttrss_user_prefs
1377                                         (owner_uid,pref_name,value) VALUES
1378                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1379
1380                         }
1381                 }
1382
1383                 db_query($link, "COMMIT");
1384
1385         }
1386
1387         function lookup_user_id($link, $user) {
1388
1389                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1390                         login = '$login'");
1391
1392                 if (db_num_rows($result) == 1) {
1393                         return db_fetch_result($result, 0, "id");
1394                 } else {
1395                         return false;
1396                 }
1397         }
1398
1399         function http_authenticate_user($link) {
1400
1401                 error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1402
1403                 if (!$_SERVER["PHP_AUTH_USER"]) {
1404
1405                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1406                         header('HTTP/1.0 401 Unauthorized');
1407                         exit;
1408
1409                 } else {
1410                         $auth_result = authenticate_user($link,
1411                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1412
1413                         if (!$auth_result) {
1414                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1415                                 header('HTTP/1.0 401 Unauthorized');
1416                                 exit;
1417                         }
1418                 }
1419
1420                 return true;
1421         }
1422
1423         function authenticate_user($link, $login, $password, $force_auth = false) {
1424
1425                 if (!SINGLE_USER_MODE) {
1426
1427                         $pwd_hash1 = encrypt_password($password);
1428                         $pwd_hash2 = encrypt_password($password, $login);
1429
1430                         if ($force_auth && defined('_DEBUG_USER_SWITCH')) {
1431                                 $query = "SELECT id,login,access_level
1432                     FROM ttrss_users WHERE
1433                          login = '$login'";
1434                         } else {
1435                                 $query = "SELECT id,login,access_level,pwd_hash
1436                     FROM ttrss_users WHERE
1437                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1438                                                 pwd_hash = '$pwd_hash2')";
1439                         }
1440
1441                         $result = db_query($link, $query);
1442
1443                         if (db_num_rows($result) == 1) {
1444                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1445                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1446                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1447
1448                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1449                                         $_SESSION["uid"]);
1450
1451                                 $user_theme = get_user_theme_path($link);
1452
1453                                 $_SESSION["theme"] = $user_theme;
1454                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1455                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1456
1457                                 initialize_user_prefs($link, $_SESSION["uid"]);
1458
1459                                 return true;
1460                         }
1461
1462                         return false;
1463
1464                 } else {
1465
1466                         $_SESSION["uid"] = 1;
1467                         $_SESSION["name"] = "admin";
1468
1469                         $user_theme = get_user_theme_path($link);
1470
1471                         $_SESSION["theme"] = $user_theme;
1472                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1473
1474                         initialize_user_prefs($link, $_SESSION["uid"]);
1475
1476                         return true;
1477                 }
1478         }
1479
1480         function make_password($length = 8) {
1481
1482                 $password = "";
1483                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1484
1485         $i = 0;
1486
1487                 while ($i < $length) {
1488                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1489
1490                         if (!strstr($password, $char)) {
1491                                 $password .= $char;
1492                                 $i++;
1493                         }
1494                 }
1495                 return $password;
1496         }
1497
1498         // this is called after user is created to initialize default feeds, labels
1499         // or whatever else
1500
1501         // user preferences are checked on every login, not here
1502
1503         function initialize_user($link, $uid) {
1504
1505                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1506                         values ('$uid','unread = true', 'Unread articles')");
1507
1508                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1509                         values ('$uid','last_read is null and unread = false', 'Updated articles')");
1510
1511                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1512                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1513                         'http://tt-rss.spb.ru/releases.rss')");
1514
1515                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1516                         values ('$uid', 'Tiny Tiny RSS: Forum',
1517                         'http://tt-rss.spb.ru/forum/rss.php')");
1518         }
1519
1520         function logout_user() {
1521                 session_destroy();
1522                 if (isset($_COOKIE[session_name()])) {
1523                    setcookie(session_name(), '', time()-42000, '/');
1524                 }
1525         }
1526
1527         function get_script_urlpath() {
1528                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1529         }
1530
1531         function validate_session($link) {
1532                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1533                         if ($_SESSION["ip_address"]) {
1534                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1535                                         $_SESSION["login_error_msg"] = "Session failed to validate (incorrect IP)";
1536                                         return false;
1537                                 }
1538                         }
1539                 }
1540
1541                 if ($_SESSION["uid"]) {
1542
1543                         $result = db_query($link,
1544                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1545
1546                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1547
1548                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1549                                 return false;
1550                         }
1551                 }
1552
1553 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1554
1555                         //print_r($_SESSION);
1556
1557                         if (time() > $_SESSION["cookie_lifetime"]) {
1558                                 return false;
1559                         }
1560                 } */
1561
1562                 return true;
1563         }
1564
1565         function login_sequence($link, $mobile = false) {
1566                 if (!SINGLE_USER_MODE) {
1567
1568                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1569                                 $swu = db_escape_string($_REQUEST["swu"]);
1570                                 if ($swu) {
1571                                         $_SESSION["prefs_cache"] = false;
1572                                         return authenticate_user($link, $swu, null, true);
1573                                 }
1574                         }
1575
1576                         $login_action = $_POST["login_action"];
1577
1578                         # try to authenticate user if called from login form
1579                         if ($login_action == "do_login") {
1580                                 $login = $_POST["login"];
1581                                 $password = $_POST["password"];
1582                                 $remember_me = $_POST["remember_me"];
1583
1584                                 if (authenticate_user($link, $login, $password)) {
1585                                         $_POST["password"] = "";
1586
1587                                         $_SESSION["language"] = $_POST["language"];
1588
1589                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1590                                         exit;
1591
1592                                         return;
1593                                 } else {
1594                                         $_SESSION["login_error_msg"] = "Incorrect username or password";
1595                                 }
1596                         }
1597
1598 //                      print session_id();
1599 //                      print_r($_SESSION);
1600
1601                         if (!$_SESSION["uid"] || !validate_session($link)) {
1602                                 render_login_form($link, $mobile);
1603                                 exit;
1604                         } else {
1605                                 /* bump login timestamp */
1606                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1607                                         $_SESSION["uid"]);
1608
1609                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1610                                         setcookie("ttrss_lang", $_SESSION["language"],
1611                                                 time() + SESSION_COOKIE_LIFETIME);
1612                                 }
1613                         }
1614
1615                 } else {
1616                         return authenticate_user($link, "admin", null);
1617                 }
1618         }
1619
1620         function truncate_string($str, $max_len) {
1621                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1622                         return mb_substr($str, 0, $max_len, "utf-8") . "...";
1623                 } else {
1624                         return $str;
1625                 }
1626         }
1627
1628         function get_user_theme_path($link) {
1629                 $result = db_query($link, "SELECT theme_path
1630                         FROM
1631                                 ttrss_themes,ttrss_users
1632                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1633                 if (db_num_rows($result) != 0) {
1634                         return db_fetch_result($result, 0, "theme_path");
1635                 } else {
1636                         return null;
1637                 }
1638         }
1639
1640         function smart_date_time($timestamp) {
1641                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1642                         return date("G:i", $timestamp);
1643                 } else if (date("Y", $timestamp) == date("Y")) {
1644                         return date("M d, G:i", $timestamp);
1645                 } else {
1646                         return date("Y/m/d, G:i", $timestamp);
1647                 }
1648         }
1649
1650         function smart_date($timestamp) {
1651                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1652                         return "Today";
1653                 } else if (date("Y", $timestamp) == date("Y")) {
1654                         return date("D m", $timestamp);
1655                 } else {
1656                         return date("Y/m/d", $timestamp);
1657                 }
1658         }
1659
1660         function sql_bool_to_string($s) {
1661                 if ($s == "t" || $s == "1") {
1662                         return "true";
1663                 } else {
1664                         return "false";
1665                 }
1666         }
1667
1668         function sql_bool_to_bool($s) {
1669                 if ($s == "t" || $s == "1") {
1670                         return true;
1671                 } else {
1672                         return false;
1673                 }
1674         }
1675
1676
1677         function toggleEvenOdd($a) {
1678                 if ($a == "even")
1679                         return "odd";
1680                 else
1681                         return "even";
1682         }
1683
1684         function sanity_check($link) {
1685
1686                 error_reporting(0);
1687
1688                 $error_code = 0;
1689                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1690                 $schema_version = db_fetch_result($result, 0, "schema_version");
1691
1692                 if ($schema_version != SCHEMA_VERSION) {
1693                         $error_code = 5;
1694                 }
1695
1696                 if (DB_TYPE == "mysql") {
1697                         $result = db_query($link, "SELECT true", false);
1698                         if (db_num_rows($result) != 1) {
1699                                 $error_code = 10;
1700                         }
1701                 }
1702
1703                 error_reporting (DEFAULT_ERROR_LEVEL);
1704
1705                 if ($error_code != 0) {
1706                         print_error_xml($error_code);
1707                         return false;
1708                 } else {
1709                         return true;
1710                 }
1711         }
1712
1713         function file_is_locked($filename) {
1714                 error_reporting(0);
1715                 $fp = fopen($filename, "r");
1716                 error_reporting(DEFAULT_ERROR_LEVEL);
1717                 if ($fp) {
1718                         if (flock($fp, LOCK_EX | LOCK_NB)) {
1719                                 flock($fp, LOCK_UN);
1720                                 fclose($fp);
1721                                 return false;
1722                         }
1723                         fclose($fp);
1724                         return true;
1725                 }
1726                 return false;
1727         }
1728
1729         function make_lockfile($filename) {
1730                 $fp = fopen($filename, "w");
1731
1732                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1733                         return $fp;
1734                 } else {
1735                         return false;
1736                 }
1737         }
1738
1739         function make_stampfile($filename) {
1740                 $fp = fopen($filename, "w");
1741
1742                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1743                         fwrite($fp, time() . "\n");
1744                         flock($fp, LOCK_UN);
1745                         fclose($fp);
1746                         return true;
1747                 } else {
1748                         return false;
1749                 }
1750         }
1751
1752         function read_stampfile($filename) {
1753
1754                 error_reporting(0);
1755                 $fp = fopen($filename, "r");
1756                 error_reporting (DEFAULT_ERROR_LEVEL);
1757
1758                 if (flock($fp, LOCK_EX)) {
1759                         $stamp = fgets($fp);
1760                         flock($fp, LOCK_UN);
1761                         fclose($fp);
1762                         return $stamp;
1763                 } else {
1764                         return false;
1765                 }
1766         }
1767
1768         function sql_random_function() {
1769                 if (DB_TYPE == "mysql") {
1770                         return "RAND()";
1771                 } else {
1772                         return "RANDOM()";
1773                 }
1774         }
1775
1776         function catchup_feed($link, $feed, $cat_view) {
1777
1778                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1779
1780                                 if ($cat_view) {
1781
1782                                         if ($feed > 0) {
1783                                                 $cat_qpart = "cat_id = '$feed'";
1784                                         } else {
1785                                                 $cat_qpart = "cat_id IS NULL";
1786                                         }
1787
1788                                         $tmp_result = db_query($link, "SELECT id
1789                                                 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
1790                                                 $_SESSION["uid"]);
1791
1792                                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
1793
1794                                                 $tmp_feed = $tmp_line["id"];
1795
1796                                                 db_query($link, "UPDATE ttrss_user_entries
1797                                                         SET unread = false,last_read = NOW()
1798                                                         WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
1799                                         }
1800
1801                                 } else if ($feed > 0) {
1802
1803                                         $tmp_result = db_query($link, "SELECT id
1804                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
1805                                                 ORDER BY cat_id,title");
1806
1807                                         $parent_ids = array();
1808
1809                                         if (db_num_rows($tmp_result) > 0) {
1810                                                 while ($p = db_fetch_assoc($tmp_result)) {
1811                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
1812                                                 }
1813
1814                                                 $children_qpart = implode(" OR ", $parent_ids);
1815
1816                                                 db_query($link, "UPDATE ttrss_user_entries
1817                                                         SET unread = false,last_read = NOW()
1818                                                         WHERE (feed_id = '$feed' OR $children_qpart)
1819                                                         AND owner_uid = " . $_SESSION["uid"]);
1820
1821                                         } else {
1822                                                 db_query($link, "UPDATE ttrss_user_entries
1823                                                         SET unread = false,last_read = NOW()
1824                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
1825                                         }
1826
1827                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
1828
1829                                         if ($feed == -1) {
1830                                                 db_query($link, "UPDATE ttrss_user_entries
1831                                                         SET unread = false,last_read = NOW()
1832                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
1833                                         }
1834
1835                                         if ($feed == -2) {
1836                                                 db_query($link, "UPDATE ttrss_user_entries
1837                                                         SET unread = false,last_read = NOW()
1838                                                         WHERE published = true AND owner_uid = ".$_SESSION["uid"]);
1839                                         }
1840
1841                                         if ($feed == -3) {
1842
1843                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
1844
1845                                                 if (DB_TYPE == "pgsql") {
1846                                                         $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
1847                                                 } else {
1848                                                         $match_part .= " AND date_entered > DATE_SUB(NOW(),
1849                                                                 INTERVAL $intl HOUR) ";
1850                                                 }
1851
1852                                                 db_query($link, "UPDATE ttrss_user_entries
1853                                                         SET unread = false,last_read = NOW()
1854                                                         WHERE $match_part AND owner_uid = ".$_SESSION["uid"]);
1855                                         }
1856
1857                                 } else if ($feed < -10) { // label
1858
1859                                         // TODO make this more efficient
1860
1861                                         $label_id = -$feed - 11;
1862
1863                                         $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
1864                                                 WHERE id = '$label_id'");
1865
1866                                         if ($tmp_result) {
1867                                                 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
1868
1869                                                 db_query($link, "BEGIN");
1870
1871                                                 $tmp2_result = db_query($link,
1872                                                         "SELECT
1873                                                                 int_id
1874                                                         FROM
1875                                                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
1876                                                         WHERE
1877                                                                 ref_id = ttrss_entries.id AND
1878                                                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1879                                                                 $sql_exp AND
1880                                                                 ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
1881
1882                                                 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
1883                                                         db_query($link, "UPDATE
1884                                                                 ttrss_user_entries
1885                                                         SET
1886                                                                 unread = false, last_read = NOW()
1887                                                         WHERE
1888                                                                 int_id = " . $tmp_line["int_id"]);
1889                                                 }
1890
1891                                                 db_query($link, "COMMIT");
1892
1893 /*                                              db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
1894                                                         SET unread = false,last_read = NOW()
1895                                                         WHERE $sql_exp
1896                                                         AND ref_id = id
1897                                                         AND owner_uid = ".$_SESSION["uid"]); */
1898                                         }
1899                                 }
1900                         } else { // tag
1901                                 db_query($link, "BEGIN");
1902
1903                                 $tag_name = db_escape_string($feed);
1904
1905                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
1906                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
1907
1908                                 while ($line = db_fetch_assoc($result)) {
1909                                         db_query($link, "UPDATE ttrss_user_entries SET
1910                                                 unread = false, last_read = NOW()
1911                                                 WHERE int_id = " . $line["post_int_id"]);
1912                                 }
1913                                 db_query($link, "COMMIT");
1914                         }
1915         }
1916
1917         function update_generic_feed($link, $feed, $cat_view) {
1918                         if ($cat_view) {
1919
1920                                 if ($feed > 0) {
1921                                         $cat_qpart = "cat_id = '$feed'";
1922                                 } else {
1923                                         $cat_qpart = "cat_id IS NULL";
1924                                 }
1925
1926                                 $tmp_result = db_query($link, "SELECT id,feed_url FROM ttrss_feeds
1927                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
1928
1929                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
1930                                         $feed_url = $tmp_line["feed_url"];
1931                                         $feed_id = $tmp_line["id"];
1932                                         update_rss_feed($link, $feed_url, $feed_id, ENABLE_UPDATE_DAEMON);
1933                                 }
1934
1935                         } else {
1936                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1937                                         WHERE id = '$feed'");
1938                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
1939                                 update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1940                         }
1941         }
1942
1943         function getAllCounters($link, $omode = "flc", $active_feed = false) {
1944 /*              getLabelCounters($link);
1945                 getFeedCounters($link);
1946                 getTagCounters($link);
1947                 getGlobalCounters($link);
1948                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
1949                         getCategoryCounters($link);
1950                 } */
1951
1952                 if (!$omode) $omode = "flc";
1953
1954                 getGlobalCounters($link);
1955
1956                 if (strchr($omode, "l")) getLabelCounters($link);
1957                 if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
1958                 if (strchr($omode, "t")) getTagCounters($link);
1959                 if (strchr($omode, "c")) {
1960                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
1961                                 getCategoryCounters($link);
1962                         }
1963                 }
1964         }
1965
1966         function getCategoryCounters($link) {
1967                 # two special categories are -1 and -2 (all virtuals; all labels)
1968
1969                 $ctr = getCategoryUnread($link, -1);
1970
1971                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>";
1972
1973                 $ctr = getCategoryUnread($link, -2);
1974
1975                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
1976
1977                 $age_qpart = getMaxAgeSubquery();
1978
1979                 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
1980                                 FROM ttrss_user_entries, ttrss_entries WHERE feed_id = ttrss_feeds.id
1981                                         AND id = ref_id AND $age_qpart
1982                                         AND unread = true)) AS unread FROM ttrss_feeds
1983                         WHERE
1984                                 hidden = false AND owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
1985
1986                 while ($line = db_fetch_assoc($result)) {
1987                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
1988                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
1989                                 $line["unread"]."\"/>";
1990                 }
1991         }
1992
1993         function getCategoryUnread($link, $cat) {
1994
1995                 if ($cat >= 0) {
1996
1997                         if ($cat != 0) {
1998                                 $cat_query = "cat_id = '$cat'";
1999                         } else {
2000                                 $cat_query = "cat_id IS NULL";
2001                         }
2002
2003                         $age_qpart = getMaxAgeSubquery();
2004
2005                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2006                                         AND hidden = false
2007                                         AND owner_uid = " . $_SESSION["uid"]);
2008
2009                         $cat_feeds = array();
2010                         while ($line = db_fetch_assoc($result)) {
2011                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2012                         }
2013
2014                         if (count($cat_feeds) == 0) return 0;
2015
2016                         $match_part = implode(" OR ", $cat_feeds);
2017
2018                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2019                                 FROM ttrss_user_entries,ttrss_entries
2020                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2021                                 AND $age_qpart AND owner_uid = " . $_SESSION["uid"]);
2022
2023                         $unread = 0;
2024
2025                         # this needs to be rewritten
2026                         while ($line = db_fetch_assoc($result)) {
2027                                 $unread += $line["unread"];
2028                         }
2029
2030                         return $unread;
2031                 } else if ($cat == -1) {
2032                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
2033                 } else if ($cat == -2) {
2034
2035                         $rv = getLabelCounters($link, false, true);
2036                         $ctr = 0;
2037
2038                         foreach (array_keys($rv) as $k) {
2039                                 if ($k < -10) {
2040                                         $ctr += $rv[$k]["counter"];
2041                                 }
2042                         }
2043
2044                         return $ctr;
2045                 }
2046         }
2047
2048         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2049                 if (DB_TYPE == "pgsql") {
2050                         return "ttrss_entries.date_entered >
2051                                 NOW() - INTERVAL '$days days'";
2052                 } else {
2053                         return "ttrss_entries.date_entered >
2054                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2055                 }
2056         }
2057
2058         function getFeedUnread($link, $feed, $is_cat = false) {
2059                 $n_feed = sprintf("%d", $feed);
2060
2061                 $age_qpart = getMaxAgeSubquery();
2062
2063                 if ($is_cat) {
2064                         return getCategoryUnread($link, $n_feed);
2065                 } else if ($n_feed == -1) {
2066                         $match_part = "marked = true";
2067                 } else if ($n_feed == -2) {
2068                         $match_part = "published = true";
2069                 } else if ($n_feed == -3) {
2070                         $match_part = "unread = true";
2071
2072                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2073
2074                         if (DB_TYPE == "pgsql") {
2075                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2076                         } else {
2077                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2078                         }
2079
2080                 } else if ($n_feed > 0) {
2081
2082                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2083                                         WHERE parent_feed = '$n_feed'
2084                                         AND hidden = false
2085                                         AND owner_uid = " . $_SESSION["uid"]);
2086
2087                         if (db_num_rows($result) > 0) {
2088
2089                                 $linked_feeds = array();
2090                                 while ($line = db_fetch_assoc($result)) {
2091                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2092                                 }
2093
2094                                 array_push($linked_feeds, "feed_id = $n_feed");
2095
2096                                 $match_part = implode(" OR ", $linked_feeds);
2097
2098                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
2099                                         FROM ttrss_user_entries,ttrss_entries
2100                                         WHERE   unread = true AND
2101                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2102                                         $age_qpart AND
2103                                         ($match_part) AND
2104                                         owner_uid = " . $_SESSION["uid"]);
2105
2106                                 $unread = 0;
2107
2108                                 # this needs to be rewritten
2109                                 while ($line = db_fetch_assoc($result)) {
2110                                         $unread += $line["unread"];
2111                                 }
2112
2113                                 return $unread;
2114
2115                         } else {
2116                                 $match_part = "feed_id = '$n_feed'";
2117                         }
2118                 } else if ($feed < -10) {
2119
2120                         $label_id = -$feed - 11;
2121
2122                         $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
2123                                 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
2124
2125                         $match_part = db_fetch_result($result, 0, "sql_exp");
2126                 }
2127
2128                 if ($match_part) {
2129
2130                         $result = db_query($link, "SELECT count(int_id) AS unread
2131                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
2132                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2133                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2134                                 ttrss_feeds.hidden = false AND
2135                                 $age_qpart AND
2136                                 unread = true AND ($match_part) AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2137
2138                 } else {
2139
2140                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2141                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2142                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2143                                 AND unread = true AND $age_qpart AND
2144                                         ttrss_tags.owner_uid = " . $_SESSION["uid"]);
2145                 }
2146
2147                 $unread = db_fetch_result($result, 0, "unread");
2148
2149                 return $unread;
2150         }
2151
2152         /* FIXME this needs reworking */
2153
2154         function getGlobalUnread($link, $user_id = false) {
2155
2156                 if (!$user_id) {
2157                         $user_id = $_SESSION["uid"];
2158                 }
2159
2160                 $age_qpart = getMaxAgeSubquery();
2161
2162                 $result = db_query($link, "SELECT count(ttrss_entries.id) as c_id FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2163                         WHERE unread = true AND
2164                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
2165                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2166                         hidden = false AND
2167                         $age_qpart AND
2168                         ttrss_user_entries.owner_uid = '$user_id'");
2169                 $c_id = db_fetch_result($result, 0, "c_id");
2170                 return $c_id;
2171         }
2172
2173         function getGlobalCounters($link, $global_unread = -1) {
2174                 if ($global_unread == -1) {
2175                         $global_unread = getGlobalUnread($link);
2176                 }
2177                 print "<counter type=\"global\" id='global-unread'
2178                         counter='$global_unread'/>";
2179
2180                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2181                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2182
2183                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2184
2185                 print "<counter type=\"global\" id='subscribed-feeds'
2186                         counter='$subscribed_feeds'/>";
2187
2188         }
2189
2190         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2191
2192                 if ($smart_mode) {
2193                         if (!$_SESSION["tctr_last_value"]) {
2194                                 $_SESSION["tctr_last_value"] = array();
2195                         }
2196                 }
2197
2198                 $old_counters = $_SESSION["tctr_last_value"];
2199
2200                 $tctrs_modified = false;
2201
2202 /*              $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
2203                         FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
2204                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2205                         ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
2206                         post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
2207                 UNION
2208                         select tag_name,0 as count FROM ttrss_tags
2209                         WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
2210
2211                 $age_qpart = getMaxAgeSubquery();
2212
2213                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2214                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2215                                 AND ref_id = id AND $age_qpart
2216                                 AND unread = true)) AS count FROM ttrss_tags
2217                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2218                                 ORDER BY count DESC LIMIT 55");
2219
2220                 $tags = array();
2221
2222                 while ($line = db_fetch_assoc($result)) {
2223                         $tags[$line["tag_name"]] += $line["count"];
2224                 }
2225
2226                 foreach (array_keys($tags) as $tag) {
2227                         $unread = $tags[$tag];
2228
2229                         $tag = htmlspecialchars($tag);
2230
2231                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2232                                 $old_counters[$tag] = $unread;
2233                                 $tctrs_modified = true;
2234                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2235                         }
2236
2237                 }
2238
2239                 if ($smart_mode && $tctrs_modified) {
2240                         $_SESSION["tctr_last_value"] = $old_counters;
2241                 }
2242
2243         }
2244
2245         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2246
2247                 $age_qpart = getMaxAgeSubquery();
2248
2249                 if ($smart_mode) {
2250                         if (!$_SESSION["lctr_last_value"]) {
2251                                 $_SESSION["lctr_last_value"] = array();
2252                         }
2253                 }
2254
2255                 $ret_arr = array();
2256
2257                 $old_counters = $_SESSION["lctr_last_value"];
2258                 $lctrs_modified = false;
2259
2260                 $count = getFeedUnread($link, -1);
2261
2262                 if (!$ret_mode) {
2263                         print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
2264                 } else {
2265                         $ret_arr["-1"]["counter"] = $count;
2266                         $ret_arr["-1"]["description"] = __("Starred articles");
2267                 }
2268
2269                 $count = getFeedUnread($link, -2);
2270
2271                 if (!$ret_mode) {
2272                         print "<counter type=\"label\" id=\"-2\" counter=\"$count\"/>";
2273                 } else {
2274                         $ret_arr["-2"]["counter"] = $count;
2275                         $ret_arr["-2"]["description"] = __("Published articles");
2276                 }
2277
2278                 $count = getFeedUnread($link, -3);
2279
2280                 if (!$ret_mode) {
2281                         print "<counter type=\"label\" id=\"-3\" counter=\"$count\"/>";
2282                 } else {
2283                         $ret_arr["-3"]["counter"] = $count;
2284                         $ret_arr["-3"]["description"] = __("Fresh articles");
2285                 }
2286
2287
2288                 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
2289                         ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
2290
2291                 while ($line = db_fetch_assoc($result)) {
2292
2293                         $id = -$line["id"] - 11;
2294
2295                         $label_name = $line["description"];
2296
2297                         error_reporting (0);
2298
2299                         $tmp_result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_user_entries,ttrss_entries,ttrss_feeds
2300                                 WHERE (" . $line["sql_exp"] . ") AND unread = true AND
2301                                 ttrss_feeds.hidden = false AND
2302                                 $age_qpart AND
2303                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2304                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2305                                 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
2306
2307                         $count = db_fetch_result($tmp_result, 0, "count");
2308
2309                         if (!$smart_mode || $old_counters[$id] != $count) {
2310                                 $old_counters[$id] = $count;
2311                                 $lctrs_modified = true;
2312                                 if (!$ret_mode) {
2313                                         print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
2314                                 } else {
2315                                         $ret_arr[$id]["counter"] = $count;
2316                                         $ret_arr[$id]["description"] = $label_name;
2317                                 }
2318                         }
2319
2320                         error_reporting (DEFAULT_ERROR_LEVEL);
2321                 }
2322
2323                 if ($smart_mode && $lctrs_modified) {
2324                         $_SESSION["lctr_last_value"] = $old_counters;
2325                 }
2326
2327                 return $ret_arr;
2328         }
2329
2330 /*      function getFeedCounter($link, $id) {
2331
2332                 $result = db_query($link, "SELECT
2333                                 count(id) as count,last_error
2334                         FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2335                         WHERE feed_id = '$id' AND unread = true
2336                         AND ttrss_user_entries.feed_id = ttrss_feeds.id
2337                         AND ttrss_user_entries.ref_id = ttrss_entries.id");
2338
2339                         $count = db_fetch_result($result, 0, "count");
2340                         $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
2341
2342                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
2343         } */
2344
2345         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2346
2347                 $age_qpart = getMaxAgeSubquery();
2348
2349                 if ($smart_mode) {
2350                         if (!$_SESSION["fctr_last_value"]) {
2351                                 $_SESSION["fctr_last_value"] = array();
2352                         }
2353                 }
2354
2355                 $old_counters = $_SESSION["fctr_last_value"];
2356
2357 /*              $result = db_query($link, "SELECT id,last_error,parent_feed,
2358                         SUBSTRING(last_updated,1,19) AS last_updated,
2359                         (SELECT count(id)
2360                                 FROM ttrss_entries,ttrss_user_entries
2361                                 WHERE feed_id = ttrss_feeds.id AND
2362                                         ttrss_user_entries.ref_id = ttrss_entries.id
2363                                 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
2364                         FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
2365                         AND parent_feed IS NULL"); */
2366
2367                 $query = "SELECT ttrss_feeds.id,
2368                                 ttrss_feeds.title,
2369                                 SUBSTRING(ttrss_feeds.last_updated,1,19) AS last_updated,
2370                                 last_error,
2371                                 COUNT(ttrss_entries.id) AS count
2372                         FROM ttrss_feeds
2373                                 LEFT JOIN ttrss_user_entries ON (ttrss_user_entries.feed_id = ttrss_feeds.id
2374                                         AND ttrss_user_entries.owner_uid = ttrss_feeds.owner_uid
2375                                         AND ttrss_user_entries.unread = true)
2376                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id AND
2377                                         $age_qpart)
2378                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2379                                 AND parent_feed IS NULL
2380                         GROUP BY ttrss_feeds.id, ttrss_feeds.title, ttrss_feeds.last_updated, last_error";
2381
2382                 $result = db_query($link, $query);
2383                 $fctrs_modified = false;
2384
2385                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2386
2387                 while ($line = db_fetch_assoc($result)) {
2388
2389                         $id = $line["id"];
2390                         $count = $line["count"];
2391                         $last_error = htmlspecialchars($line["last_error"]);
2392
2393                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2394                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2395                         } else {
2396                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2397                         }
2398
2399                         $last_updated = htmlspecialchars($last_updated);
2400
2401                         $has_img = is_file(ICONS_DIR . "/$id.ico");
2402
2403                         $tmp_result = db_query($link,
2404                                 "SELECT ttrss_feeds.id,COUNT(unread) AS unread
2405                                 FROM ttrss_feeds LEFT JOIN ttrss_user_entries
2406                                         ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
2407                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id)
2408                                 WHERE parent_feed = '$id' AND $age_qpart AND unread = true GROUP BY ttrss_feeds.id");
2409
2410                         if (db_num_rows($tmp_result) > 0) {
2411                                 while ($l = db_fetch_assoc($tmp_result)) {
2412                                         $count += $l["unread"];
2413                                 }
2414                         }
2415
2416                         if (!$smart_mode || $old_counters[$id] != $count) {
2417                                 $old_counters[$id] = $count;
2418                                 $fctrs_modified = true;
2419
2420                                 if ($last_error) {
2421                                         $error_part = "error=\"$last_error\"";
2422                                 } else {
2423                                         $error_part = "";
2424                                 }
2425
2426                                 if ($has_img) {
2427                                         $has_img_part = "hi=\"$has_img\"";
2428                                 } else {
2429                                         $has_img_part = "";
2430                                 }
2431
2432                                 if ($active_feed && $id == $active_feed) {
2433                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2434                                 } else {
2435                                         $has_title_part = "";
2436                                 }
2437
2438                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $has_title_part/>";
2439                         }
2440                 }
2441
2442                 if ($smart_mode && $fctrs_modified) {
2443                         $_SESSION["fctr_last_value"] = $old_counters;
2444                 }
2445         }
2446
2447         function get_script_dt_add() {
2448                 if (strpos(VERSION, ".99") === false) {
2449                         return VERSION;
2450                 } else {
2451                         return time();
2452                 }
2453         }
2454
2455         function get_pgsql_version($link) {
2456                 $result = db_query($link, "SELECT version() AS version");
2457                 $version = split(" ", db_fetch_result($result, 0, "version"));
2458                 return $version[1];
2459         }
2460
2461         function print_error_xml($code, $add_msg = "") {
2462                 global $ERRORS;
2463
2464                 $error_msg = $ERRORS[$code];
2465
2466                 if ($add_msg) {
2467                         $error_msg = "$error_msg; $add_msg";
2468                 }
2469
2470                 print "<rpc-reply>";
2471                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2472                 print "</rpc-reply>";
2473         }
2474
2475         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2476                         $auth_login = '', $auth_pass = '') {
2477
2478                 # check for feed:http://url
2479                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2480
2481                 # check for feed://URL
2482                 if (strpos($feed_link, "//") === 0) {
2483                         $feed_link = "http:$feed_link";
2484                 }
2485
2486                 if ($feed_link == "") return;
2487
2488                 if ($cat_id == "0" || !$cat_id) {
2489                         $cat_qpart = "NULL";
2490                 } else {
2491                         $cat_qpart = "'$cat_id'";
2492                 }
2493
2494                 $result = db_query($link,
2495                         "SELECT id FROM ttrss_feeds
2496                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2497
2498                 if (db_num_rows($result) == 0) {
2499
2500                         $result = db_query($link,
2501                                 "INSERT INTO ttrss_feeds
2502                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2503                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2504                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2505
2506                         $result = db_query($link,
2507                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2508                                         AND owner_uid = " . $_SESSION["uid"]);
2509
2510                         $feed_id = db_fetch_result($result, 0, "id");
2511
2512                         if ($feed_id) {
2513                                 update_rss_feed($link, $feed_link, $feed_id, true);
2514                         }
2515
2516                         return true;
2517                 } else {
2518                         return false;
2519                 }
2520         }
2521
2522         function print_feed_select($link, $id, $default_id = "",
2523                 $attributes = "", $include_all_feeds = true) {
2524
2525                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2526                 if ($include_all_feeds) {
2527                         print "<option value=\"0\">".__('All feeds')."</option>";
2528                 }
2529
2530                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2531                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2532
2533                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2534                         print "<option disabled>--------</option>";
2535                 }
2536
2537                 while ($line = db_fetch_assoc($result)) {
2538                         if ($line["id"] == $default_id) {
2539                                 $is_selected = "selected";
2540                         } else {
2541                                 $is_selected = "";
2542                         }
2543                         printf("<option $is_selected value='%d'>%s</option>",
2544                                 $line["id"], htmlspecialchars($line["title"]));
2545                 }
2546
2547                 print "</select>";
2548         }
2549
2550         function print_feed_cat_select($link, $id, $default_id = "",
2551                 $attributes = "", $include_all_cats = true) {
2552
2553                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2554
2555                 if ($include_all_cats) {
2556                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2557                 }
2558
2559                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2560                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2561
2562                 if (db_num_rows($result) > 0 && $include_all_cats) {
2563                         print "<option disabled>--------</option>";
2564                 }
2565
2566                 while ($line = db_fetch_assoc($result)) {
2567                         if ($line["id"] == $default_id) {
2568                                 $is_selected = "selected";
2569                         } else {
2570                                 $is_selected = "";
2571                         }
2572                         printf("<option $is_selected value='%d'>%s</option>",
2573                                 $line["id"], htmlspecialchars($line["title"]));
2574                 }
2575
2576                 print "</select>";
2577         }
2578
2579         function checkbox_to_sql_bool($val) {
2580                 return ($val == "on") ? "true" : "false";
2581         }
2582
2583         function getFeedCatTitle($link, $id) {
2584                 if ($id == -1) {
2585                         return __("Special");
2586                 } else if ($id < -10) {
2587                         return __("Labels");
2588                 } else if ($id > 0) {
2589                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2590                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2591                                         cat_id = ttrss_feed_categories.id");
2592                         if (db_num_rows($result) == 1) {
2593                                 return db_fetch_result($result, 0, "title");
2594                         } else {
2595                                 return __("Uncategorized");
2596                         }
2597                 } else {
2598                         return "getFeedCatTitle($id) failed";
2599                 }
2600
2601         }
2602
2603         function getFeedTitle($link, $id) {
2604                 if ($id == -1) {
2605                         return __("Starred articles");
2606                 } else if ($id == -2) {
2607                         return __("Published articles");
2608                 } else if ($id == -3) {
2609                         return __("Fresh articles");
2610                 } else if ($id < -10) {
2611                         $label_id = -10 - $id;
2612                         $result = db_query($link, "SELECT description FROM ttrss_labels WHERE id = '$label_id'");
2613                         if (db_num_rows($result) == 1) {
2614                                 return db_fetch_result($result, 0, "description");
2615                         } else {
2616                                 return "Unknown label ($label_id)";
2617                         }
2618
2619                 } else if ($id > 0) {
2620                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2621                         if (db_num_rows($result) == 1) {
2622                                 return db_fetch_result($result, 0, "title");
2623                         } else {
2624                                 return "Unknown feed ($id)";
2625                         }
2626                 } else {
2627                         return "getFeedTitle($id) failed";
2628                 }
2629
2630         }
2631
2632         function get_session_cookie_name() {
2633                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2634         }
2635
2636         function print_init_params($link) {
2637                 print "<init-params>";
2638                 if ($_SESSION["stored-params"]) {
2639                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
2640                                 if ($key) {
2641                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2642                                         print "<param key=\"$key\" value=\"$value\"/>";
2643                                 }
2644                         }
2645                 }
2646
2647                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2648                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2649                 print "<param key=\"daemon_refresh_only\" value=\"" . DAEMON_REFRESH_ONLY . "\"/>";
2650
2651                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
2652                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2653
2654                 print "<param key=\"hide_read_feeds\" value=\"" .
2655                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
2656
2657                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
2658                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
2659
2660                 print "<param key=\"confirm_feed_catchup\" value=\"" .
2661                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
2662
2663                 print "<param key=\"cdm_auto_catchup\" value=\"" .
2664                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
2665
2666                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
2667
2668                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
2669
2670                 print "<param key=\"default_view_mode\" value=\"" .
2671                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
2672
2673                 print "<param key=\"default_view_limit\" value=\"" .
2674                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
2675
2676                 print "<param key=\"prefs_active_tab\" value=\"" .
2677                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
2678
2679                 print "<param key=\"infobox_disable_overlay\" value=\"" .
2680                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
2681
2682                 print "<param key=\"icons_location\" value=\"" .
2683                         ICONS_URL . "\"/>";
2684
2685                 print "</init-params>";
2686         }
2687
2688         function print_runtime_info($link) {
2689                 print "<runtime-info>";
2690                 if (ENABLE_UPDATE_DAEMON) {
2691                         print "<param key=\"daemon_is_running\" value=\"".
2692                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
2693
2694                         if ($_SESSION["daemon_stamp_check"] + 600 < time()) {
2695
2696                                 $stamp = (int)read_stampfile("update_daemon.stamp");
2697
2698                                 if ($stamp) {
2699                                         if ($stamp + 86400*3 < time()) {
2700                                                 print "<param key=\"daemon_stamp_ok\" value=\"0\"/>";
2701                                         } else {
2702                                                 print "<param key=\"daemon_stamp_ok\" value=\"1\"/>";
2703                                         }
2704
2705                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
2706
2707                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
2708                                 }
2709
2710                                 $_SESSION["daemon_stamp_check"] = time();
2711                         }
2712                 }
2713
2714                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
2715
2716                         if ($_SESSION["last_version_check"] + 7200 < time()) {
2717                                 $new_version_details = check_for_update($link);
2718
2719                                 print "<param key=\"new_version_available\" value=\"".
2720                                         sprintf("%d", $new_version_details != ""). "\"/>";
2721
2722                                 $_SESSION["last_version_check"] = time();
2723                         }
2724                 }
2725
2726 //              print "<param key=\"new_version_available\" value=\"1\"/>";
2727
2728                 print "</runtime-info>";
2729         }
2730
2731         function getSearchSql($search, $match_on) {
2732
2733                 $search_query_part = "";
2734
2735                 $keywords = split(" ", $search);
2736                 $query_keywords = array();
2737
2738                 if ($match_on == "both") {
2739
2740                         foreach ($keywords as $k) {
2741                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
2742                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2743                         }
2744
2745                         $search_query_part = implode("AND", $query_keywords) . " AND ";
2746
2747                 } else if ($match_on == "title") {
2748
2749                         foreach ($keywords as $k) {
2750                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
2751                         }
2752
2753                         $search_query_part = implode("AND", $query_keywords) . " AND ";
2754
2755                 } else if ($match_on == "content") {
2756
2757                         foreach ($keywords as $k) {
2758                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2759                         }
2760                 }
2761
2762                 $search_query_part = implode("AND", $query_keywords);
2763
2764                 return $search_query_part;
2765         }
2766
2767         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
2768
2769                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2770
2771                         if ($search) {
2772
2773                                 $search_query_part = getSearchSql($search, $match_on);
2774                                 $search_query_part .= " AND ";
2775
2776                         } else {
2777                                 $search_query_part = "";
2778                         }
2779
2780                         $view_query_part = "";
2781
2782                         if ($view_mode == "adaptive") {
2783                                 if ($search) {
2784                                         $view_query_part = " ";
2785                                 } else if ($feed != -1) {
2786                                         $unread = getFeedUnread($link, $feed, $cat_view);
2787                                         if ($unread > 0) {
2788                                                 $view_query_part = " unread = true AND ";
2789                                         }
2790                                 }
2791                         }
2792
2793                         if ($view_mode == "marked") {
2794                                 $view_query_part = " marked = true AND ";
2795                         }
2796
2797                         if ($view_mode == "unread") {
2798                                 $view_query_part = " unread = true AND ";
2799                         }
2800
2801                         if ($limit > 0) {
2802                                 $limit_query_part = "LIMIT " . $limit;
2803                         }
2804
2805                         $vfeed_query_part = "";
2806
2807                         // override query strategy and enable feed display when searching globally
2808                         if ($search && $search_mode == "all_feeds") {
2809                                 $query_strategy_part = "ttrss_entries.id > 0";
2810                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2811                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
2812                                 $query_strategy_part = "ttrss_entries.id > 0";
2813                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2814                                         id = feed_id) as feed_title,";
2815                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
2816
2817                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2818
2819                                 $tmp_result = false;
2820
2821                                 if ($cat_view) {
2822                                         $tmp_result = db_query($link, "SELECT id
2823                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
2824                                 } else {
2825                                         $tmp_result = db_query($link, "SELECT id
2826                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
2827                                                         WHERE id = '$feed') AND id != '$feed'");
2828                                 }
2829
2830                                 $cat_siblings = array();
2831
2832                                 if (db_num_rows($tmp_result) > 0) {
2833                                         while ($p = db_fetch_assoc($tmp_result)) {
2834                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
2835                                         }
2836
2837                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2838                                                 $feed, implode(" OR ", $cat_siblings));
2839
2840                                 } else {
2841                                         $query_strategy_part = "ttrss_entries.id > 0";
2842                                 }
2843
2844                         } else if ($feed >= 0) {
2845
2846                                 if ($cat_view) {
2847
2848                                         if ($feed > 0) {
2849                                                 $query_strategy_part = "cat_id = '$feed'";
2850                                         } else {
2851                                                 $query_strategy_part = "cat_id IS NULL";
2852                                         }
2853
2854                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2855
2856                                 } else {
2857                                         $tmp_result = db_query($link, "SELECT id
2858                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2859                                                 ORDER BY cat_id,title");
2860
2861                                         $parent_ids = array();
2862
2863                                         if (db_num_rows($tmp_result) > 0) {
2864                                                 while ($p = db_fetch_assoc($tmp_result)) {
2865                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2866                                                 }
2867
2868                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2869                                                         $feed, implode(" OR ", $parent_ids));
2870
2871                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2872                                         } else {
2873                                                 $query_strategy_part = "feed_id = '$feed'";
2874                                         }
2875                                 }
2876                         } else if ($feed == -1) { // starred virtual feed
2877                                 $query_strategy_part = "marked = true";
2878                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2879                         } else if ($feed == -2) { // published virtual feed
2880                                 $query_strategy_part = "published = true";
2881                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2882                         } else if ($feed == -3) { // fresh virtual feed
2883                                 $query_strategy_part = "unread = true";
2884
2885                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2886
2887                                 if (DB_TYPE == "pgsql") {
2888                                         $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2889                                 } else {
2890                                         $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2891                                 }
2892
2893                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2894                         } else if ($feed <= -10) { // labels
2895                                 $label_id = -$feed - 11;
2896
2897                                 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
2898                                         WHERE id = '$label_id'");
2899
2900                                 $query_strategy_part = db_fetch_result($tmp_result, 0, "sql_exp");
2901
2902                                 if (!$query_strategy_part) {
2903                                         return false;
2904                                 }
2905
2906                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2907                         } else {
2908                                 $query_strategy_part = "id > 0"; // dumb
2909                         }
2910
2911                         if (get_pref($link, 'REVERSE_HEADLINES')) {
2912                                 $order_by = "updated";
2913                         } else {
2914                                 $order_by = "updated DESC";
2915                         }
2916
2917                         if ($override_order) {
2918                                 $order_by = $override_order;
2919                         }
2920
2921                         $feed_title = "";
2922
2923                         if ($search && $search_mode == "all_feeds") {
2924                                 $feed_title = __("Search results")." ($search)";
2925                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2926                                 $feed_title = __("Search results")." ($search, $feed)";
2927                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2928                                 $feed_title = $feed;
2929                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
2930
2931                                 if ($cat_view) {
2932
2933                                         if ($feed != 0) {
2934                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
2935                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
2936                                                 $feed_title = db_fetch_result($result, 0, "title");
2937                                         } else {
2938                                                 $feed_title = __("Uncategorized");
2939                                         }
2940
2941                                         if ($search) {
2942                                                 $feed_title = __("Searched for")." $search ($feed_title)";
2943                                         }
2944
2945                                 } else {
2946
2947                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
2948                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
2949
2950                                         $feed_title = db_fetch_result($result, 0, "title");
2951                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
2952                                         $last_error = db_fetch_result($result, 0, "last_error");
2953
2954                                         if ($search) {
2955                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
2956                                         }
2957                                 }
2958
2959                         } else if ($feed == -1) {
2960                                 $feed_title = __("Starred articles");
2961                         } else if ($feed == -2) {
2962                                 $feed_title = __("Published articles");
2963                         } else if ($feed == -3) {
2964                                 $feed_title = __("Fresh articles");
2965                         } else if ($feed < -10) {
2966                                 $label_id = -$feed - 11;
2967                                 $result = db_query($link, "SELECT description FROM ttrss_labels
2968                                         WHERE id = '$label_id'");
2969                                 $feed_title = db_fetch_result($result, 0, "description");
2970
2971                                 if ($search) {
2972                                         $feed_title = __("Searched for") . " $search ($feed_title)";
2973                                 }
2974                         } else {
2975                                 $feed_title = "?";
2976                         }
2977
2978                         if ($feed < -10) error_reporting (0);
2979
2980                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2981
2982                                 if ($feed >= 0) {
2983                                         $feed_kind = "Feeds";
2984                                 } else {
2985                                         $feed_kind = "Labels";
2986                                 }
2987
2988                                 $content_query_part = "content as content_preview,";
2989
2990                                 if ($limit_query_part) {
2991                                         $offset_query_part = "OFFSET $offset";
2992                                 }
2993
2994                                 $query = "SELECT
2995                                                 guid,
2996                                                 ttrss_entries.id,ttrss_entries.title,
2997                                                 updated,
2998                                                 unread,feed_id,marked,published,link,last_read,
2999                                                 SUBSTRING(last_read,1,19) as last_read_noms,
3000                                                 $vfeed_query_part
3001                                                 $content_query_part
3002                                                 SUBSTRING(updated,1,19) as updated_noms,
3003                                                 author
3004                                         FROM
3005                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds
3006                                         WHERE
3007                                         ttrss_feeds.hidden = false AND
3008                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
3009                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3010                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3011                                         $search_query_part
3012                                         $view_query_part
3013                                         $query_strategy_part ORDER BY $order_by
3014                                         $limit_query_part $offset_query_part";
3015
3016                                 $result = db_query($link, $query);
3017
3018                                 if ($_GET["debug"]) print $query;
3019
3020                         } else {
3021                                 // browsing by tag
3022
3023                                 $feed_kind = "Tags";
3024
3025                                 $result = db_query($link, "SELECT
3026                                         guid,
3027                                         ttrss_entries.id as id,title,
3028                                         updated,
3029                                         unread,feed_id,
3030                                         marked,link,last_read,
3031                                         SUBSTRING(last_read,1,19) as last_read_noms,
3032                                         $vfeed_query_part
3033                                         $content_query_part
3034                                         SUBSTRING(updated,1,19) as updated_noms
3035                                         FROM
3036                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3037                                         WHERE
3038                                                 ref_id = ttrss_entries.id AND
3039                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3040                                                 post_int_id = int_id AND tag_name = '$feed' AND
3041                                                 $view_query_part
3042                                                 $search_query_part
3043                                                 $query_strategy_part ORDER BY $order_by
3044                                         $limit_query_part");
3045                         }
3046
3047                         return array($result, $feed_title, $feed_site_url, $last_error);
3048
3049         }
3050
3051         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3052                 $search, $search_mode, $match_on) {
3053
3054                 $qfh_ret = queryFeedHeadlines($link, $feed,
3055                         30, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3056                         $owner_uid);
3057
3058                 $result = $qfh_ret[0];
3059                 $feed_title = htmlspecialchars($qfh_ret[1]);
3060                 $feed_site_url = $qfh_ret[2];
3061                 $last_error = $qfh_ret[3];
3062
3063 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3064
3065                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3066                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3067                         <rss version=\"2.0\">
3068                         <channel>
3069                         <title>$feed_title</title>
3070                         <link>$feed_site_url</link>
3071                         <description>Feed generated by Tiny Tiny RSS</description>";
3072
3073                 while ($line = db_fetch_assoc($result)) {
3074                         print "<item>";
3075                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3076                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3077
3078                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3079
3080                         foreach ($tags as $tag) {
3081                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3082                         }
3083
3084                         $rfc822_date = date('r', strtotime($line["updated"]));
3085
3086                         print "<pubDate>$rfc822_date</pubDate>";
3087
3088                         print "<title>" .
3089                                 htmlspecialchars($line["title"]) . "</title>";
3090
3091                         print "<description><![CDATA[" .
3092                                 $line["content_preview"] . "]]></description>";
3093
3094                         print "</item>";
3095                 }
3096
3097                 print "</channel></rss>";
3098
3099         }
3100
3101         function getCategoryTitle($link, $cat_id) {
3102
3103                 if ($cat_id == -1) {
3104                         return __("Special");
3105                 } else if ($cat_id == -2) {
3106                         return __("Labels");
3107                 } else {
3108
3109                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3110                                 id = '$cat_id'");
3111
3112                         if (db_num_rows($result) == 1) {
3113                                 return db_fetch_result($result, 0, "title");
3114                         } else {
3115                                 return "Uncategorized";
3116                         }
3117                 }
3118         }
3119
3120         // http://ru2.php.net/strip-tags
3121
3122         function strip_tags_long($textstring, $allowed){
3123         while($textstring != strip_tags($textstring, $allowed))
3124     {
3125     while (strlen($textstring) != 0)
3126          {
3127          if (strlen($textstring) > 1024) {
3128               $otherlen = 1024;
3129          } else {
3130               $otherlen = strlen($textstring);
3131          }
3132          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3133          $safetext .= $temptext;
3134          $textstring = substr_replace($textstring,'',0,$otherlen);
3135          }
3136     $textstring = $safetext;
3137     }
3138         return $textstring;
3139         }
3140
3141
3142         function sanitize_rss($link, $str, $force_strip_tags = false) {
3143                 $res = $str;
3144
3145                 if (get_pref($link, "STRIP_UNSAFE_TAGS") || $force_strip_tags) {
3146                         global $tw_parser;
3147                         global $tw_paranoya_setup;
3148
3149                         $res = $tw_parser->strip_tags($res, $tw_paranoya_setup);
3150
3151 //                      $res = preg_replace("/\r\n|\n|\r/", "", $res);
3152 //                      $res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");
3153                 }
3154
3155                 return $res;
3156         }
3157
3158         function send_headlines_digests($link, $limit = 100) {
3159
3160                 if (!DIGEST_ENABLE) return false;
3161
3162                 $user_limit = DIGEST_EMAIL_LIMIT;
3163                 $days = 1;
3164
3165                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3166
3167                 if (DB_TYPE == "pgsql") {
3168                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3169                 } else if (DB_TYPE == "mysql") {
3170                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3171                 }
3172
3173                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3174                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3175
3176                 while ($line = db_fetch_assoc($result)) {
3177                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3178                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3179
3180                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3181                                 $digest = $tuple[0];
3182                                 $headlines_count = $tuple[1];
3183
3184                                 if ($headlines_count > 0) {
3185
3186                                         if (!DIGEST_SMTP_HOST) {
3187
3188                                                 $rc = mail($line["login"] . " <" . $line["email"] . ">",
3189                                                         "[tt-rss] New headlines for last 24 hours", $digest,
3190                                                         "From: " . DIGEST_FROM_NAME . " <" . DIGEST_FROM_ADDRESS . ">\n".
3191                                                         "Content-Type: text/plain; charset=\"utf-8\"\n".
3192                                                         "Content-Transfer-Encoding: 8bit\n");
3193
3194                                         } else {
3195
3196                                                 $mail = new PHPMailer();
3197
3198                                                 $mail->PluginDir = "phpmailer/";
3199                                                 $mail->SetLanguage("en", "phpmailer/language/");
3200
3201                                                 $mail->CharSet = "UTF-8";
3202
3203                                                 $mail->From = DIGEST_FROM_ADDRESS;
3204                                                 $mail->FromName = DIGEST_FROM_NAME;
3205                                                 $mail->AddAddress($line["email"], $line["login"]);
3206                                                 $mail->Host = DIGEST_SMTP_HOST;
3207                                                 $mail->Mailer = "smtp";
3208
3209                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3210                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3211
3212                                                 $mail->Subject = "[tt-rss] New headlines for last 24 hours";
3213                                                 $mail->Body = $digest;
3214
3215                                                 $rc = $mail->Send();
3216
3217                                                 if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3218
3219                                         }
3220
3221                                         print "RC=$rc\n";
3222
3223                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3224                                                         WHERE id = " . $line["id"]);
3225                                 } else {
3226                                         print "No headlines\n";
3227                                 }
3228                         }
3229                 }
3230
3231 //              $digest = prepare_headlines_digest($link, $user_id, $days, $limit);
3232
3233         }
3234
3235         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3236                 $tmp =  __("New headlines for last 24 hours, as of ") . date("Y/m/d H:m") . "\n";
3237                 $tmp .= "=======================================================\n\n";
3238
3239                 if (DB_TYPE == "pgsql") {
3240                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3241                 } else if (DB_TYPE == "mysql") {
3242                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3243                 }
3244
3245                 $result = db_query($link, "SELECT ttrss_entries.title,
3246                                 ttrss_feeds.title AS feed_title,
3247                                 date_entered,
3248                                 link,
3249                                 SUBSTRING(last_updated,1,19) AS last_updated
3250                         FROM
3251                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3252                         WHERE
3253                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3254                                 AND include_in_digest = true
3255                                 AND $interval_query
3256                                 AND hidden = false
3257                                 AND ttrss_user_entries.owner_uid = $user_id
3258                                 AND unread = true ORDER BY ttrss_feeds.title, date_entered DESC
3259                         LIMIT $limit");
3260
3261                 $cur_feed_title = "";
3262
3263                 $headlines_count = db_num_rows($result);
3264
3265                 while ($line = db_fetch_assoc($result)) {
3266                         $updated = smart_date_time(strtotime($line["last_updated"]));
3267                         $feed_title = $line["feed_title"];
3268
3269                         if ($cur_feed_title != $feed_title) {
3270                                 $cur_feed_title = $feed_title;
3271
3272                                 $tmp .= "$feed_title\n\n";
3273                         }
3274
3275                         $tmp .= " * " . trim($line["title"]) . " - $updated\n";
3276                         $tmp .= "   " . trim($line["link"]) . "\n";
3277                         $tmp .= "\n";
3278                 }
3279
3280                 $tmp .= "--- \n";
3281                 $tmp .= __("You have been sent this email because you have enabled daily digests in Tiny Tiny RSS at ") .
3282                         DIGEST_HOSTNAME . "\n".
3283                         __("To unsubscribe, visit your configuration options or contact instance owner.\n");
3284
3285
3286                 return array($tmp, $headlines_count);
3287         }
3288
3289         function check_for_update($link, $brief_fmt = true) {
3290                 $releases_feed = "http://tt-rss.spb.ru/releases.rss";
3291
3292                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3293                         return;
3294                 }
3295
3296                 error_reporting(0);
3297                 if (ENABLE_SIMPLEPIE) {
3298                         $rss = new SimplePie();
3299                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3300                         $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3301                         $rss->set_feed_url($fetch_url);
3302                         $rss->set_output_encoding('UTF-8');
3303                         $rss->init();
3304                 } else {
3305                         $rss = fetch_rss($releases_feed);
3306                 }
3307                 error_reporting (DEFAULT_ERROR_LEVEL);
3308
3309                 if ($rss) {
3310
3311                         if (ENABLE_SIMPLEPIE) {
3312                                 $items = $rss->get_items();
3313                         } else {
3314                                 $items = $rss->items;
3315
3316                                 if (!$items || !is_array($items)) $items = $rss->entries;
3317                                 if (!$items || !is_array($items)) $items = $rss;
3318                         }
3319
3320                         if (!is_array($items) || count($items) == 0) {
3321                                 return;
3322                         }
3323
3324                         $latest_item = $items[0];
3325
3326                         if (ENABLE_SIMPLEPIE) {
3327                                 $last_title = $latest_item->get_title();
3328                         } else {
3329                                 $last_title = $latest_item["title"];
3330                         }
3331
3332                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3333
3334                         if (ENABLE_SIMPLEPIE) {
3335                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3336                                 $content = sanitize_rss($link, $latest_item->get_description());
3337                         } else {
3338                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3339                                 $content = sanitize_rss($link, $latest_item["description"]);
3340                         }
3341
3342                         if (version_compare(VERSION, $latest_version) == -1) {
3343                                 if ($brief_fmt) {
3344                                         return format_notice("<a href=\"javascript:showBlockElement('milestoneDetails')\">
3345                                                 New version of Tiny-Tiny RSS ($latest_version) is available (click for details)</a>
3346                                                 <div id=\"milestoneDetails\">$content</div>");
3347                                 } else {
3348                                         return "New version of Tiny-Tiny RSS ($latest_version) is available:
3349                                                 <div class='milestoneDetails'>$content</div>
3350                                                 Visit <a target=\"_new\" href=\"http://tt-rss.spb.ru/\">official site</a> for
3351                                                 download and update information.";
3352                                 }
3353
3354                         }
3355                 }
3356         }
3357
3358         function markArticlesById($link, $ids, $cmode) {
3359
3360                 $tmp_ids = array();
3361
3362                 foreach ($ids as $id) {
3363                         array_push($tmp_ids, "ref_id = '$id'");
3364                 }
3365
3366                 $ids_qpart = join(" OR ", $tmp_ids);
3367
3368                 if ($cmode == 0) {
3369                         db_query($link, "UPDATE ttrss_user_entries SET
3370                         marked = false,last_read = NOW()
3371                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3372                 } else if ($cmode == 1) {
3373                         db_query($link, "UPDATE ttrss_user_entries SET
3374                         marked = true
3375                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3376                 } else {
3377                         db_query($link, "UPDATE ttrss_user_entries SET
3378                         marked = NOT marked,last_read = NOW()
3379                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3380                 }
3381         }
3382
3383         function publishArticlesById($link, $ids, $cmode) {
3384
3385                 $tmp_ids = array();
3386
3387                 foreach ($ids as $id) {
3388                         array_push($tmp_ids, "ref_id = '$id'");
3389                 }
3390
3391                 $ids_qpart = join(" OR ", $tmp_ids);
3392
3393                 if ($cmode == 0) {
3394                         db_query($link, "UPDATE ttrss_user_entries SET
3395                         published = false,last_read = NOW()
3396                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3397                 } else if ($cmode == 1) {
3398                         db_query($link, "UPDATE ttrss_user_entries SET
3399                         published = true
3400                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3401                 } else {
3402                         db_query($link, "UPDATE ttrss_user_entries SET
3403                         published = NOT published,last_read = NOW()
3404                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3405                 }
3406         }
3407
3408         function catchupArticlesById($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($link, "UPDATE ttrss_user_entries SET
3420                         unread = false,last_read = NOW()
3421                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3422                 } else if ($cmode == 1) {
3423                         db_query($link, "UPDATE ttrss_user_entries SET
3424                         unread = true
3425                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3426                 } else {
3427                         db_query($link, "UPDATE ttrss_user_entries SET
3428                         unread = NOT unread,last_read = NOW()
3429                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3430                 }
3431         }
3432
3433         function catchupArticleById($link, $id, $cmode) {
3434
3435                 if ($cmode == 0) {
3436                         db_query($link, "UPDATE ttrss_user_entries SET
3437                         unread = false,last_read = NOW()
3438                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3439                 } else if ($cmode == 1) {
3440                         db_query($link, "UPDATE ttrss_user_entries SET
3441                         unread = true
3442                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3443                 } else {
3444                         db_query($link, "UPDATE ttrss_user_entries SET
3445                         unread = NOT unread,last_read = NOW()
3446                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3447                 }
3448         }
3449
3450         function make_guid_from_title($title) {
3451                 return preg_replace("/[ \"\',.:;]/", "-",
3452                         mb_strtolower(strip_tags($title), 'utf-8'));
3453         }
3454
3455         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
3456                         $bottom = false, $rtl_content = false, $feed_id = 0,
3457                         $is_cat = false, $search = false, $match_on = false,
3458                         $search_mode = false, $offset = 0, $limit = 0) {
3459
3460                         $user_page_offset = $offset + 1;
3461
3462                         if (!$bottom) {
3463                                 $class = "headlinesSubToolbar";
3464                                 $tid = "headlineActionsTop";
3465                         } else {
3466                                 $class = "headlinesSubToolbar";
3467                                 $tid = "headlineActionsBottom";
3468                         }
3469
3470                         print "<table class=\"$class\" id=\"$tid\"
3471                                 width=\"100%\" cellspacing=\"0\" cellpadding=\"0\"><tr>";
3472
3473                         if ($rtl_content) {
3474                                 $rtl_cpart = "RTL";
3475                         } else {
3476                                 $rtl_cpart = "";
3477                         }
3478
3479                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
3480                         $page_next_link = "javascript:viewFeedGoPage(1)";
3481                         $page_first_link = "javascript:viewFeedGoPage(0)";
3482
3483                         $catchup_page_link = "javascript:catchupPage()";
3484                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
3485                         $catchup_sel_link = "javascript:catchupSelection()";
3486
3487                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3488
3489                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
3490                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
3491                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
3492
3493                                 $tog_unread_link = "javascript:selectionToggleUnread()";
3494                                 $tog_marked_link = "javascript:selectionToggleMarked()";
3495                                 $tog_published_link = "javascript:selectionTogglePublished()";
3496
3497                         } else {
3498
3499                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
3500                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
3501                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
3502
3503                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
3504                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
3505                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
3506
3507                         }
3508
3509                         if (strpos($_SESSION["client.userAgent"], "MSIE") === false) {
3510
3511                                 print "<td class=\"headlineActions$rtl_cpart\">
3512                                         <ul class=\"headlineDropdownMenu\">
3513                                         <li class=\"top2\">
3514                                         ".__('Select:')."
3515                                                 <a href=\"$sel_all_link\">".__('All')."</a>,
3516                                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3517                                                 <a href=\"$sel_none_link\">".__('None')."</a></li>
3518                                         <li class=\"vsep\">&nbsp;</li>
3519                                         <li class=\"top\">".__('Toggle')."<ul>
3520                                                 <li onclick=\"$tog_unread_link\">".__('Unread')."</li>
3521                                                 <li onclick=\"$tog_marked_link\">".__('Starred')."</li>
3522                                                 <li onclick=\"$tog_published_link\">".__('Published')."</li>
3523                                                 </ul></li>
3524                                         <li class=\"vsep\">&nbsp;</li>
3525                                         <li class=\"top\"><a href=\"$catchup_page_link\">".__('Mark as read')."</a><ul>
3526                                                 <li onclick=\"$catchup_sel_link\">".__('Selection')."</li>
3527                                                 <!-- <li onclick=\"$catchup_page_link\">".__('This page')."</li> -->
3528                                                 <li><span class=\"insensitive\">--------</span></li>
3529                                                 <li onclick=\"catchupRelativeToArticle(0)\">".__("Above active article")."</li>
3530                                                 <li onclick=\"catchupRelativeToArticle(1)\">".__("Below active article")."</li>
3531                                                 <li><span class=\"insensitive\">--------</span></li>
3532                                                 <li onclick=\"$catchup_feed_link\">".__('Entire feed')."</li></ul></li>
3533                                         ";
3534
3535                                         $enable_pagination = get_pref($link, "_PREFS_ENABLE_PAGINATION");
3536
3537                                         if ($limit != 0 && !$search && $enable_pagination) {
3538                                                 print "
3539                                                 <li class=\"vsep\">&nbsp;</li>
3540                                                 <li class=\"top\"><a href=\"$page_next_link\">".__('Next page')."</a><ul>
3541                                                         <li onclick=\"$page_prev_link\">".__('Previous page')."</li>
3542                                                         <li onclick=\"$page_first_link\">".__('First page')."</li></ul></li>
3543                                                         </ul>";
3544                                                 }
3545
3546                                         if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3547                                                 print "
3548                                                         <li class=\"vsep\">&nbsp;</li>
3549                                                         <li class=\"top3\">
3550                                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3551                                                                 '$match_on', '$feed_id', '$is_cat');\">
3552                                                                 ".__('Convert to label')."</a></td>";
3553                                         }
3554                                         print "
3555                                         </td>";
3556
3557                         } else {
3558                         // old style subtoolbar:
3559
3560                                 print "<td class=\"headlineActions$rtl_cpart\">".
3561                                         __('Select:')."
3562                                                                 <a href=\"$sel_all_link\">".__('All')."</a>,
3563                                                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3564                                                                 <a href=\"$sel_none_link\">".__('None')."</a>
3565                                                 &nbsp;&nbsp;".
3566                                                 __('Toggle:')." <a href=\"$tog_unread_link\">".__('Unread')."</a>,
3567                                                         <a href=\"$tog_marked_link\">".__('Starred')."</a>
3568                                                 &nbsp;&nbsp;".
3569                                                 __('Mark as read:')."
3570                                                         <a href=\"#\" onclick=\"$catchup_page_link\">".__('Page')."</a>,
3571                                                         <a href=\"#\" onclick=\"$catchup_feed_link\">".__('Feed')."</a>";
3572
3573                                 if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3574
3575                                         print "&nbsp;&nbsp;
3576                                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3577                                                                 '$match_on', '$feed_id', '$is_cat');\">
3578                                                         ".__('Convert to label')."</a>";
3579                                 }
3580
3581                                 print "</td>";
3582
3583                         }
3584
3585 /*                      if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3586                                 print "<td class=\"headlineActions$rtl_cpart\">
3587                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3588                                                         '$match_on', '$feed_id', '$is_cat');\">
3589                                                 ".__('Convert to Label')."</a></td>";
3590 } */
3591
3592                         print "<td class=\"headlineTitle$rtl_cpart\">";
3593
3594                         if ($feed_site_url) {
3595                                 if (!$bottom) {
3596                                         $target = "target=\"_new\"";
3597                                 }
3598                                 print "<a $target href=\"$feed_site_url\">".
3599                                         truncate_string($feed_title,30)."</a>";
3600                         } else {
3601                                 print $feed_title;
3602                         }
3603
3604                         if ($search) {
3605                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
3606                         }
3607
3608                         if ($user_page_offset > 1) {
3609                                 print " [$user_page_offset] ";
3610                         }
3611
3612                         if (!$bottom) {
3613                                 print "
3614                                         <a target=\"_new\"
3615                                                 href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
3616                                                 <img class=\"noborder\"
3617                                                         alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
3618                                         </a>";
3619                         }
3620
3621                         print "</td>";
3622                         print "</tr></table>";
3623
3624                 }
3625
3626         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
3627
3628                         $tmp_category = getCategoryTitle($link, $cat_id);
3629                         $cat_unread = getCategoryUnread($link, $cat_id);
3630
3631                         if ($hidden) {
3632                                 $holder_style = "display:none;";
3633                                 $ellipsis = "...";
3634                         } else {
3635                                 $holder_style = "";
3636                                 $ellipsis = "";
3637                         }
3638
3639                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3640
3641                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
3642                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>";
3643
3644                         if ($can_browse) {
3645                                 print "<a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">";
3646                         } else {
3647                                 print "<span id=\"FCAP-$cat_id\">";
3648                         }
3649
3650                         print " <span id=\"FCATCTR-$cat_id\" title=\"Click to browse category\"
3651                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
3652
3653                         if ($can_browse) {
3654                                 print "</a>";
3655                         } else {
3656                                 print "</span>";
3657                         }
3658
3659                         print "</li>";
3660
3661                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
3662         }
3663
3664         function outputFeedList($link, $tags = false) {
3665
3666                 print "<ul class=\"feedList\" id=\"feedList\">";
3667
3668                 $owner_uid = $_SESSION["uid"];
3669
3670                 /* virtual feeds */
3671
3672                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
3673
3674                         if ($_COOKIE["ttrss_vf_vclps"] == 1) {
3675                                 $cat_hidden = true;
3676                         } else {
3677                                 $cat_hidden = false;
3678                         }
3679
3680 #                       print "<li class=\"feedCat\">".__('Special')."</li>";
3681 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\">";
3682 #                       print "<li class=\"feedCat\">".
3683 #                               "<a id=\"FCATN--1\" href=\"javascript:toggleCollapseCat(-1)\">".
3684 #                               __('Special')."</a> <span id='FCAP--1'>$ellipsis</span></li>";
3685 #
3686 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\">
3687 #                               <ul class=\"feedCatList\" id='FCATLIST--1' style='$holder_style'>";
3688
3689 #                       $cat_unread = getCategoryUnread($link, -1);
3690 #                       $tmp_category = __("Special");
3691 #                       $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3692
3693                         printCategoryHeader($link, -1, $cat_hidden, false);
3694                 }
3695
3696                 $num_starred = getFeedUnread($link, -1);
3697                 $num_published = getFeedUnread($link, -2);
3698                 $num_fresh = getFeedUnread($link, -3);
3699
3700                 $class = "virt";
3701
3702                 if ($num_fresh > 0) $class .= "Unread";
3703
3704                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh,
3705                         "images/fresh.png", $link);
3706
3707                 $class = "virt";
3708
3709                 if ($num_starred > 0) $class .= "Unread";
3710
3711                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
3712
3713                 if ($is_ie) {
3714                         $mark_img_ext = "gif";
3715                 } else {
3716                         $mark_img_ext = "png";
3717                 }
3718
3719                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
3720                         "images/mark_set.$mark_img_ext", $link);
3721
3722                 $class = "virt";
3723
3724                 if ($num_published > 0) $class .= "Unread";
3725
3726                 printFeedEntry(-2, $class, __("Published articles"), $num_published,
3727                         "images/pub_set.gif", $link);
3728
3729                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
3730                         print "</ul>";
3731                 }
3732
3733                 if (!$tags) {
3734
3735                         if (GLOBAL_ENABLE_LABELS && get_pref($link, 'ENABLE_LABELS')) {
3736
3737                                 $result = db_query($link, "SELECT id,sql_exp,description FROM
3738                                         ttrss_labels WHERE owner_uid = '$owner_uid' ORDER by description");
3739
3740                                 if (db_num_rows($result) > 0) {
3741                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3742
3743                                                 if ($_COOKIE["ttrss_vf_lclps"] == 1) {
3744                                                         $cat_hidden = true;
3745                                                 } else {
3746                                                         $cat_hidden = false;
3747                                                 }
3748
3749                                                 printCategoryHeader($link, -2, $cat_hidden, false);
3750
3751 #                                               print "<li class=\"feedCat\">".
3752 #                                                       "<a id=\"FCATN--2\" href=\"javascript:toggleCollapseCat(-2)\">".
3753 #                                                       __('Labels')."</a> <span id='FCAP--2'>$ellipsis</span></li>";
3754 #
3755 #                                               print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\" id='FCATLIST--2' style='$holder_style'>";
3756                                         } else {
3757                                                 print "<li><hr></li>";
3758                                         }
3759                                 }
3760
3761                                 while ($line = db_fetch_assoc($result)) {
3762
3763                                         error_reporting (0);
3764
3765                                         $label_id = -$line['id'] - 11;
3766                                         $count = getFeedUnread($link, $label_id);
3767
3768                                         $class = "label";
3769
3770                                         if ($count > 0) {
3771                                                 $class .= "Unread";
3772                                         }
3773
3774                                         error_reporting (DEFAULT_ERROR_LEVEL);
3775
3776                                         printFeedEntry($label_id,
3777                                                 $class, $line["description"],
3778                                                 $count, "images/label.png", $link);
3779
3780                                 }
3781
3782                                 if (db_num_rows($result) > 0) {
3783                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3784                                                 print "</ul>";
3785                                         }
3786                                 }
3787
3788                         }
3789
3790                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
3791                                 print "<li><hr></li>";
3792                         }
3793
3794                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3795                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
3796                                         $order_by_qpart = "category,unread DESC,title";
3797                                 } else {
3798                                         $order_by_qpart = "category,title";
3799                                 }
3800                         } else {
3801                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
3802                                         $order_by_qpart = "unread DESC,title";
3803                                 } else {
3804                                         $order_by_qpart = "title";
3805                                 }
3806                         }
3807
3808                         $age_qpart = getMaxAgeSubquery();
3809
3810                         $result = db_query($link, "SELECT ttrss_feeds.*,
3811                                 SUBSTRING(last_updated,1,19) AS last_updated_noms,
3812                                 (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
3813                                         WHERE feed_id = ttrss_feeds.id AND unread = true
3814                                                 AND $age_qpart
3815                                                 AND ttrss_user_entries.ref_id = ttrss_entries.id
3816                                                 AND owner_uid = '$owner_uid') as unread,
3817                                 cat_id,last_error,
3818                                 ttrss_feed_categories.title AS category,
3819                                 ttrss_feed_categories.collapsed
3820                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
3821                                         ON (ttrss_feed_categories.id = cat_id)
3822                                 WHERE
3823                                         ttrss_feeds.hidden = false AND
3824                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
3825                                 ORDER BY $order_by_qpart");
3826
3827                         $actid = $_GET["actid"];
3828
3829                         /* real feeds */
3830
3831                         $lnum = 0;
3832
3833                         $total_unread = 0;
3834
3835                         $category = "";
3836
3837                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
3838
3839                         while ($line = db_fetch_assoc($result)) {
3840
3841                                 $feed = trim($line["title"]);
3842
3843                                 if (!$feed) $feed = "[Untitled]";
3844
3845                                 $feed_id = $line["id"];
3846
3847                                 $subop = $_GET["subop"];
3848
3849                                 $unread = $line["unread"];
3850
3851                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
3852                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
3853                                 } else {
3854                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
3855                                 }
3856
3857                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
3858
3859                                 if ($rtl_content) {
3860                                         $rtl_tag = "dir=\"RTL\"";
3861                                 } else {
3862                                         $rtl_tag = "";
3863                                 }
3864
3865                                 $tmp_result = db_query($link,
3866                                         "SELECT id,COUNT(unread) AS unread
3867                                         FROM ttrss_feeds LEFT JOIN ttrss_user_entries
3868                                                 ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
3869                                         WHERE parent_feed = '$feed_id' AND unread = true
3870                                         GROUP BY ttrss_feeds.id");
3871
3872                                 if (db_num_rows($tmp_result) > 0) {
3873                                         while ($l = db_fetch_assoc($tmp_result)) {
3874                                                 $unread += $l["unread"];
3875                                         }
3876                                 }
3877
3878                                 $cat_id = $line["cat_id"];
3879
3880                                 $tmp_category = $line["category"];
3881
3882                                 if (!$tmp_category) {
3883                                         $tmp_category = __("Uncategorized");
3884                                 }
3885
3886         //                      $class = ($lnum % 2) ? "even" : "odd";
3887
3888                                 if ($line["last_error"]) {
3889                                         $class = "error";
3890                                 } else {
3891                                         $class = "feed";
3892                                 }
3893
3894                                 if ($unread > 0) $class .= "Unread";
3895
3896                                 if ($actid == $feed_id) {
3897                                         $class .= "Selected";
3898                                 }
3899
3900                                 $total_unread += $unread;
3901
3902                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
3903
3904                                         if ($category) {
3905                                                 print "</ul></li>";
3906                                         }
3907
3908                                         $category = $tmp_category;
3909
3910                                         $collapsed = $line["collapsed"];
3911
3912                                         // workaround for NULL category
3913                                         if ($category == __("Uncategorized")) {
3914                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
3915                                                         $collapsed = "t";
3916                                                 }
3917                                         }
3918
3919                                         if ($collapsed == "t" || $collapsed == "1") {
3920                                                 $holder_class = "feedCatHolder";
3921                                                 $holder_style = "display:none;";
3922                                                 $ellipsis = "...";
3923                                         } else {
3924                                                 $holder_class = "feedCatHolder";
3925                                                 $holder_style = "";
3926                                                 $ellipsis = "";
3927                                         }
3928
3929                                         $cat_id = sprintf("%d", $cat_id);
3930
3931                                         $cat_unread = getCategoryUnread($link, $cat_id);
3932
3933                                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3934
3935                                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
3936                                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>
3937                                                         <a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">
3938                                                         <span id=\"FCATCTR-$cat_id\" title=\"Click to browse category\"
3939                                                         class=\"$catctr_class\">($cat_unread)</span> $ellipsis
3940                                                         </a></li>";
3941
3942                                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
3943                                 }
3944
3945                                 printFeedEntry($feed_id, $class, $feed, $unread,
3946                                         ICONS_DIR."/$feed_id.ico", $link, $rtl_content,
3947                                         $last_updated, $line["last_error"]);
3948
3949                                 ++$lnum;
3950                         }
3951
3952                         if (db_num_rows($result) == 0) {
3953                                 print "<li>".__('No feeds to display.')."</li>";
3954                         }
3955
3956                 } else {
3957
3958                         // tags
3959
3960 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
3961                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
3962                                 post_int_id = ttrss_user_entries.int_id AND
3963                                 unread = true AND ref_id = ttrss_entries.id
3964                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
3965                         UNION
3966                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
3967                         ORDER BY tag_name"); */
3968
3969                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3970                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
3971                                 print "<li id=\"feedCatHolder\"><ul class=\"feedCatList\">";
3972                         }
3973
3974                         $age_qpart = getMaxAgeSubquery();
3975
3976                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
3977                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
3978                                         AND ref_id = id AND $age_qpart
3979                                         AND unread = true)) AS count FROM ttrss_tags
3980                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
3981                                         ORDER BY count DESC LIMIT 50");
3982
3983                         $tags = array();
3984
3985                         while ($line = db_fetch_assoc($result)) {
3986                                 $tags[$line["tag_name"]] += $line["count"];
3987                         }
3988
3989                         foreach (array_keys($tags) as $tag) {
3990
3991                                 $unread = $tags[$tag];
3992
3993                                 $class = "tag";
3994
3995                                 if ($unread > 0) {
3996                                         $class .= "Unread";
3997                                 }
3998
3999                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4000
4001                         }
4002
4003                         if (db_num_rows($result) == 0) {
4004                                 print "<li>No tags to display.</li>";
4005                         }
4006
4007                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4008                                 print "</ul>";
4009                         }
4010
4011                 }
4012
4013                 print "</ul>";
4014
4015         }
4016
4017         function get_article_tags($link, $id, $owner_uid = 0) {
4018
4019                 $a_id = db_escape_string($id);
4020
4021                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4022
4023                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
4024                         owner_uid as owner FROM
4025                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4026                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
4027
4028                 $tags = array();
4029
4030                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
4031                         array_push($tags, $tmp_line["tag_name"]);
4032                 }
4033
4034                 return $tags;
4035         }
4036
4037         function trim_value(&$value) {
4038                 $value = trim($value);
4039         }
4040
4041         function trim_array($array) {
4042                 $tmp = $array;
4043                 array_walk($tmp, 'trim_value');
4044                 return $tmp;
4045         }
4046
4047         function tag_is_valid($tag) {
4048                 if ($tag == '') return false;
4049                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4050
4051                 $tag = iconv("utf-8", "utf-8", $tag);
4052                 if (!$tag) return false;
4053
4054                 return true;
4055         }
4056
4057         function render_login_form($link, $mobile = false) {
4058                 if (!$mobile) {
4059                         require_once "login_form.php";
4060                 } else {
4061                         require_once "mobile/login_form.php";
4062                 }
4063         }
4064
4065         // from http://developer.apple.com/internet/safari/faq.html
4066         function no_cache_incantation() {
4067                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4068                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4069                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4070                 header("Cache-Control: post-check=0, pre-check=0", false);
4071                 header("Pragma: no-cache"); // HTTP/1.0
4072         }
4073
4074         function format_warning($msg, $id = "") {
4075                 return "<div class=\"warning\" id=\"$id\">
4076                         <img src=\"images/sign_excl.gif\">$msg</div>";
4077         }
4078
4079         function format_notice($msg) {
4080                 return "<div class=\"notice\">
4081                         <img src=\"images/sign_info.gif\">$msg</div>";
4082         }
4083
4084         function format_error($msg) {
4085                 return "<div class=\"error\">
4086                         <img src=\"images/sign_excl.gif\">$msg</div>";
4087         }
4088
4089         function print_notice($msg) {
4090                 return print format_notice($msg);
4091         }
4092
4093         function print_warning($msg) {
4094                 return print format_warning($msg);
4095         }
4096
4097         function print_error($msg) {
4098                 return print format_error($msg);
4099         }
4100
4101
4102         function T_sprintf() {
4103                 $args = func_get_args();
4104                 return vsprintf(__(array_shift($args)), $args);
4105         }
4106
4107         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true) {
4108
4109                 /* we can figure out feed_id from article id anyway, why do we
4110                  * pass feed_id here? */
4111
4112                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4113                         WHERE ref_id = '$id'");
4114
4115                 $feed_id = db_fetch_result($result, 0, "feed_id");
4116
4117                 print "<article id='$id'><![CDATA[";
4118
4119                 $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4120                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4121
4122                 if (db_num_rows($result) == 1) {
4123                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4124                 } else {
4125                         $rtl_content = false;
4126                 }
4127
4128                 if ($rtl_content) {
4129                         $rtl_tag = "dir=\"RTL\"";
4130                         $rtl_class = "RTL";
4131                 } else {
4132                         $rtl_tag = "";
4133                         $rtl_class = "";
4134                 }
4135
4136                 if ($mark_as_read) {
4137                         $result = db_query($link, "UPDATE ttrss_user_entries
4138                                 SET unread = false,last_read = NOW()
4139                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4140                 }
4141
4142                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4143                         SUBSTRING(updated,1,16) as updated,
4144                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4145                         num_comments,
4146                         author
4147                         FROM ttrss_entries,ttrss_user_entries
4148                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4149
4150                 if ($result) {
4151
4152                         $link_target = "";
4153
4154                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4155                                 $link_target = "target=\"_new\"";
4156                         }
4157
4158                         $line = db_fetch_assoc($result);
4159
4160                         if ($line["icon_url"]) {
4161                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4162                         } else {
4163                                 $feed_icon = "&nbsp;";
4164                         }
4165
4166 /*                      if ($line["comments"] && $line["link"] != $line["comments"]) {
4167                                 $entry_comments = "(<a href=\"".$line["comments"]."\">Comments</a>)";
4168                         } else {
4169                                 $entry_comments = "";
4170                         } */
4171
4172                         $num_comments = $line["num_comments"];
4173                         $entry_comments = "";
4174
4175                         if ($num_comments > 0) {
4176                                 if ($line["comments"]) {
4177                                         $comments_url = $line["comments"];
4178                                 } else {
4179                                         $comments_url = $line["link"];
4180                                 }
4181                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4182                         } else {
4183                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4184                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4185                                 }
4186                         }
4187
4188                         print "<div class=\"postReply\">";
4189
4190                         print "<div class=\"postHeader\">";
4191
4192                         $entry_author = $line["author"];
4193
4194                         if ($entry_author) {
4195                                 $entry_author = __(" - by ") . $entry_author;
4196                         }
4197
4198                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4199                                 strtotime($line["updated"]));
4200
4201                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4202
4203                         if ($line["link"]) {
4204                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4205                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4206                         } else {
4207                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4208                         }
4209
4210 /*                      $tmp_result = db_query($link, "SELECT DISTINCT tag_name FROM
4211                                 ttrss_tags WHERE post_int_id = " . $line["int_id"] . "
4212                                 ORDER BY tag_name"); */
4213
4214                         $tags = get_article_tags($link, $id);
4215
4216                         $tags_str = "";
4217                         $f_tags_str = "";
4218
4219                         $num_tags = 0;
4220
4221                         foreach ($tags as $tag) {
4222                                 $num_tags++;
4223                                 $tag_escaped = str_replace("'", "\\'", $tag);
4224
4225                                 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>, ";
4226
4227                                 if ($num_tags == 6) {
4228                                         $tags_str .= "...";
4229
4230                                 } else if ($num_tags < 6) {
4231                                         $tags_str .= $tag_str;
4232                                 }
4233                                 $f_tags_str .= $tag_str;
4234                         }
4235
4236                         $tags_str = preg_replace("/, $/", "", $tags_str);
4237                         $f_tags_str = preg_replace("/, $/", "", $f_tags_str);
4238
4239                         $all_tags_div = "<span class='cdmAllTagsCtr'>...<div class='cdmAllTags'>All Tags: $f_tags_str</div></span>";
4240                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4241
4242                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4243
4244                         if (!$tags_str) $tags_str = '<span class="tagList">'.__('no tags').'</span>';
4245
4246                         print "<div style='float : right'>
4247                                 <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>
4248                                 $tags_str
4249                                 <a title=\"Edit tags for this article\"
4250                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a></div>
4251                                 <div clear='both'>$entry_comments</div>";
4252
4253                         print "</div>";
4254
4255                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4256                         print "<div class=\"postContent\">";
4257
4258                         #print "<div id=\"allEntryTags\">".__('Tags:')." $f_tags_str</div>";
4259
4260                         $line["content"] = sanitize_rss($link, $line["content"]);
4261
4262                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4263                                 $line["content"] = preg_replace("/href=/i", "target=\"_new\" href=", $line["content"]);
4264                         }
4265
4266                         print $line["content"] . "</div>";
4267
4268                         print "</div>";
4269
4270                 }
4271
4272                 print "]]></article>";
4273
4274         }
4275
4276         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4277                                         $next_unread_feed, $offset) {
4278
4279                 $timing_info = getmicrotime();
4280
4281                 $topmost_article_ids = array();
4282
4283                 if (!$offset) {
4284                         $offset = 0;
4285                 }
4286
4287                 if ($subop == "undefined") $subop = "";
4288
4289                 if ($subop == "CatchupSelected") {
4290                         $ids = split(",", db_escape_string($_GET["ids"]));
4291                         $cmode = sprintf("%d", $_GET["cmode"]);
4292
4293                         catchupArticlesById($link, $ids, $cmode);
4294                 }
4295
4296                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4297                         update_generic_feed($link, $feed, $cat_view);
4298                 }
4299
4300                 if ($subop == "MarkAllRead")  {
4301                         catchup_feed($link, $feed, $cat_view);
4302
4303                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4304                                 if ($next_unread_feed) {
4305                                         $feed = $next_unread_feed;
4306                                 }
4307                         }
4308                 }
4309
4310                 if ($feed_id > 0) {
4311                         $result = db_query($link,
4312                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4313
4314                         if (db_num_rows($result) == 0) {
4315                                 print "<div align='center'>".__('Feed not found.')."</div>";
4316                                 return;
4317                         }
4318                 }
4319
4320                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4321
4322                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4323                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4324
4325                         if (db_num_rows($result) == 1) {
4326                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4327                         } else {
4328                                 $rtl_content = false;
4329                         }
4330
4331                         if ($rtl_content) {
4332                                 $rtl_tag = "dir=\"RTL\"";
4333                         } else {
4334                                 $rtl_tag = "";
4335                         }
4336                 } else {
4337                         $rtl_tag = "";
4338                         $rtl_content = false;
4339                 }
4340
4341                 $script_dt_add = get_script_dt_add();
4342
4343                 /// START /////////////////////////////////////////////////////////////////////////////////
4344
4345                 $search = db_escape_string($_GET["query"]);
4346                 $search_mode = db_escape_string($_GET["search_mode"]);
4347                 $match_on = db_escape_string($_GET["match_on"]);
4348
4349                 if (!$match_on) {
4350                         $match_on = "both";
4351                 }
4352
4353                 $real_offset = $offset * $limit;
4354
4355                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4356
4357                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4358                         $search, $search_mode, $match_on, false, $real_offset);
4359
4360                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4361
4362                 $result = $qfh_ret[0];
4363                 $feed_title = $qfh_ret[1];
4364                 $feed_site_url = $qfh_ret[2];
4365                 $last_error = $qfh_ret[3];
4366
4367                 if ($feed == -2) {
4368                         $feed_site_url = article_publish_url($link);
4369                 }
4370
4371                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4372
4373                 if (!$offset) {
4374                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4375
4376                         if (!$result) {
4377                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4378                                 return;
4379                         }
4380
4381                         print_headline_subtoolbar($link, $feed_site_url, $feed_title, false,
4382                                 $rtl_content, $feed, $cat_view, $search, $match_on, $search_mode,
4383                                 $offset, $limit);
4384
4385                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4386                 }
4387
4388                 $headlines_count = db_num_rows($result);
4389
4390                 if (db_num_rows($result) > 0) {
4391
4392 #                       print "\{$offset}";
4393
4394                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4395                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4396                                         cellspacing=\"0\">";
4397                         }
4398
4399                         $lnum = $limit*$offset;
4400
4401                         error_reporting (DEFAULT_ERROR_LEVEL);
4402
4403                         $num_unread = 0;
4404
4405                         while ($line = db_fetch_assoc($result)) {
4406
4407                                 $class = ($lnum % 2) ? "even" : "odd";
4408
4409                                 $id = $line["id"];
4410                                 $feed_id = $line["feed_id"];
4411
4412                                 if (count($topmost_article_ids) < 5) {
4413                                         array_push($topmost_article_ids, $id);
4414                                 }
4415
4416                                 if ($line["last_read"] == "" &&
4417                                                 ($line["unread"] != "t" && $line["unread"] != "1")) {
4418
4419                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
4420                                                 alt=\"Updated\">";
4421                                 } else {
4422                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4423                                                 alt=\"Updated\">";
4424                                 }
4425
4426                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4427                                         $class .= "Unread";
4428                                         ++$num_unread;
4429                                         $is_unread = true;
4430                                 } else {
4431                                         $is_unread = false;
4432                                 }
4433
4434                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4435
4436                                 if ($is_ie) {
4437                                         $mark_img_ext = "gif";
4438                                 } else {
4439                                         $mark_img_ext = "png";
4440                                 }
4441
4442                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4443                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
4444                                                 class=\"markedPic\"
4445                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
4446                                 } else {
4447                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
4448                                                 class=\"markedPic\"
4449                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
4450                                 }
4451
4452                                 if ($line["published"] == "t" || $line["published"] == "1") {
4453                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
4454                                                 class=\"markedPic\"
4455                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4456                                 } else {
4457                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
4458                                                 class=\"markedPic\"
4459                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4460                                 }
4461
4462 #                               $content_link = "<a target=\"_new\" href=\"".$line["link"]."\">" .
4463 #                                       $line["title"] . "</a>";
4464
4465                                 $content_link = "<a href=\"javascript:view($id,$feed_id);\">" .
4466                                         $line["title"] . "</a>";
4467
4468 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4469 #                                       $line["title"] . "</a>";
4470
4471                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4472                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
4473                                 } else {
4474                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4475                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
4476                                 }
4477
4478                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4479                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4480                                                 100);
4481                                 }
4482
4483                                 $entry_author = $line["author"];
4484
4485                                 if ($entry_author) {
4486                                         $entry_author = " - by $entry_author";
4487                                 }
4488
4489                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4490
4491                                         print "<tr class='$class' id='RROW-$id'>";
4492
4493                                         print "<td class='hlUpdPic'>$update_pic</td>";
4494
4495                                         print "<td class='hlSelectRow'>
4496                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
4497                                                         id=\"RCHK-$id\">
4498                                                 </td>";
4499
4500                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
4501                                         print "<td class='hlMarkedPic'>$published_pic</td>";
4502
4503 #                                       if ($line["feed_title"]) {
4504 #                                               print "<td class='hlContent'>$content_link</td>";
4505 #                                               print "<td class='hlFeed'>
4506 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4507 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
4508 #                                       } else {
4509
4510                                         print "<td class='hlContent' valign='middle'>";
4511
4512                                         print "<a href=\"javascript:view($id,$feed_id);\">" .
4513                                                 $line["title"];
4514
4515                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4516                                                 if ($content_preview) {
4517                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
4518                                                 }
4519                                         }
4520
4521                                         print "</a>";
4522
4523 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4524 #                                                       $line["feed_title"]."</a>
4525
4526                                         if ($line["feed_title"]) {
4527                                                 print "<span class=\"hlFeed\">
4528                                                         (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
4529                                                         $line["feed_title"]."</a>)
4530                                                 </span>";
4531                                         }
4532
4533
4534                                         print "</td>";
4535
4536 #                                       }
4537
4538                                         print "<td class=\"hlUpdated\"><nobr>$updated_fmt&nbsp;</nobr></td>";
4539
4540                                         print "</tr>";
4541
4542                                 } else {
4543
4544                                         if ($is_unread) {
4545                                                 $add_class = "Unread";
4546                                         } else {
4547                                                 $add_class = "";
4548                                         }
4549
4550                                         print "<div class=\"cdmArticle$add_class\"
4551                                                 id=\"RROW-$id\" onmouseover='cdmMouseIn(this)'
4552                                                 onmouseout='cdmMouseOut(this)'>";
4553
4554                                         print "<div class=\"cdmHeader\">";
4555
4556                                         print "<div class=\"articleUpdated\">$updated_fmt</div>";
4557
4558                                         print "<a class=\"title\"
4559                                                 onclick=\"javascript:toggleUnread($id, 0)\"
4560                                                 target=\"_new\" href=\"".$line["link"]."\">".$line["title"]."</a>";
4561
4562                                         print $entry_author;
4563
4564                                         if ($line["feed_title"]) {
4565                                                 print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
4566                                         }
4567
4568                                         print "</div>";
4569
4570                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4571                                                 $line["content_preview"] = preg_replace("/href=/i",
4572                                                         "target=\"_new\" href=", $line["content_preview"]);
4573                                         }
4574
4575                                         print "<div class=\"cdmContent\">" . $line["content_preview"] . "</div><br clear=\"all\">";
4576
4577                                         print "<div class=\"cdmFooter\"><span class='s0'>";
4578
4579                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
4580
4581                                         print __("Select:").
4582                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
4583                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
4584
4585                                         print "</span><span class='s1'>$marked_pic</span> ";
4586                                         print "<span class='s1'>$published_pic</span> ";
4587
4588                                         $tags = get_article_tags($link, $id);
4589
4590                                         $tags_str = "";
4591                                         $full_tags_str = "";
4592                                         $num_tags = 0;
4593
4594                                         foreach ($tags as $tag) {
4595                                                 $num_tags++;
4596                                                 $full_tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
4597                                                 if ($num_tags < 5) {
4598                                                         $tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
4599                                                 } else if ($num_tags == 5) {
4600                                                         $tags_str .= "...";
4601                                                 }
4602                                         }
4603
4604                                         $tags_str = preg_replace("/, $/", "", $tags_str);
4605                                         $full_tags_str = preg_replace("/, $/", "", $full_tags_str);
4606
4607                                         $all_tags_div = "<span class='cdmAllTagsCtr'>...<div class='cdmAllTags'>All Tags: $full_tags_str</div></span>";
4608
4609                                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4610
4611
4612                                         if ($tags_str == "") $tags_str = "no tags";
4613
4614 //                                      print "<img src='images/tag.png' class='markedPic'>";
4615
4616                                         print "<span class='s1'>
4617                                                 <img class='tagsPic' src='images/tag.png' alt='Tags'
4618                                                         title='Tags'> $tags_str <a title=\"Edit tags for this article\"
4619                                                         href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
4620
4621                                         print "</span>";
4622
4623                                         print "<span class='s2'>Toggle: <a class=\"cdmToggleLink\"
4624                                                         href=\"javascript:toggleUnread($id)\">
4625                                                         Unread</a></span>";
4626
4627                                         print "</div>";
4628                                         print "</div>";
4629
4630                                 }
4631
4632                                 ++$lnum;
4633                         }
4634
4635                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4636                                 print "</table>";
4637                         }
4638
4639 //                      print_headline_subtoolbar($link,
4640 //                              "javascript:catchupPage()", "Mark page as read", true, $rtl_content);
4641
4642
4643                 } else {
4644                         if (!$offset) print "<div class='whiteBox'>".__('No articles found.')."</div>";
4645                 }
4646
4647                 if (!$offset) {
4648                         print "</div>";
4649                         print "</div>";
4650                 }
4651
4652                 return array($topmost_article_ids, $headlines_count);
4653         }
4654
4655 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
4656
4657         function printTagCloud($link) {
4658
4659                 /* get first ref_id to count from */
4660
4661                 /*
4662
4663                 $query = "";
4664
4665                 if (DB_TYPE == "pgsql") {
4666                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
4667                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
4668                                 AND date_entered > NOW() - INTERVAL '30 days'";
4669                 } else {
4670                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
4671                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
4672                                 AND date_entered > DATE_SUB(NOW(), INTERVAL 30 DAY)";
4673                 }
4674
4675                 $result = db_query($link, $query);
4676                 $first_id = db_fetch_result($result, 0, "id"); */
4677
4678                 //AND post_int_id >= '$first_id'
4679                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
4680                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
4681                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
4682
4683                 $result = db_query($link, $query);
4684
4685                 $tags = array();
4686
4687                 while ($line = db_fetch_assoc($result)) {
4688                         $tags[$line["tag_name"]] = $line["count"];
4689                 }
4690
4691                 ksort($tags);
4692
4693                 $max_size = 32; // max font size in pixels
4694                 $min_size = 11; // min font size in pixels
4695
4696                 // largest and smallest array values
4697                 $max_qty = max(array_values($tags));
4698                 $min_qty = min(array_values($tags));
4699
4700                 // find the range of values
4701                 $spread = $max_qty - $min_qty;
4702                 if ($spread == 0) { // we don't want to divide by zero
4703                                 $spread = 1;
4704                 }
4705
4706                 // set the font-size increment
4707                 $step = ($max_size - $min_size) / ($spread);
4708
4709                 // loop through the tag array
4710                 foreach ($tags as $key => $value) {
4711                         // calculate font-size
4712                         // find the $value in excess of $min_qty
4713                         // multiply by the font-size increment ($size)
4714                         // and add the $min_size set above
4715                         $size = round($min_size + (($value - $min_qty) * $step));
4716
4717                         $key_escaped = str_replace("'", "\\'", $key);
4718
4719                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
4720                                 $size . "px\" title=\"$value articles tagged with " .
4721                                 $key . '">' . $key . '</a> ';
4722                 }
4723         }
4724
4725         function print_checkpoint($n, $s) {
4726                 $ts = getmicrotime();
4727                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
4728                 return $ts;
4729         }
4730
4731         function sanitize_tag($tag) {
4732                 $tag = trim($tag);
4733
4734                 $tag = mb_strtolower($tag, 'utf-8');
4735
4736                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
4737
4738 //              $tag = str_replace('"', "", $tag);
4739 //              $tag = str_replace("+", " ", $tag);
4740                 $tag = str_replace("technorati tag: ", "", $tag);
4741
4742                 return $tag;
4743         }
4744
4745         function generate_publish_key() {
4746                 return sha1(uniqid(rand(), true));
4747         }
4748
4749         function article_publish_url($link) {
4750
4751                 $url_path = 'http://' . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
4752
4753                 $url_path .= "?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
4754
4755                 return $url_path;
4756         }
4757
4758         function clear_feed_articles($link, $id) {
4759                 $result = db_query($link, "DELETE FROM ttrss_user_entries
4760                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
4761
4762                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
4763                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
4764         }
4765
4766         function add_feed_url() {
4767                 $url_path = 'http://' . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
4768                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
4769                 return $url_path;
4770         }
4771
4772         function encrypt_password($pass, $login = '') {
4773                 if ($login) {
4774                         return "SHA1X:" . sha1("$login:$pass");
4775                 } else {
4776                         return "SHA1:" . sha1($pass);
4777                 }
4778         }
4779
4780 ?>