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 "accept-to-gettext.php";
  10         require_once "gettext/gettext.inc";
  11
  12         require_once 'config.php';
  13
  14         function startup_gettext() {
  15
  16                 # Get locale from Accept-Language header
  17                 $lang = al2gt(array("en_US", "ru_RU"), "text/html");
  18
  19                 if ($lang) {
  20                         _setlocale(LC_MESSAGES, $lang);
  21                         _bindtextdomain("messages", "locale");
  22                         _textdomain("messages");
  23                         _bind_textdomain_codeset("messages", "UTF-8");
  24                 }
  25         }
  26
  27         if (ENABLE_TRANSLATIONS == true) {
  28                 startup_gettext();
  29         }
  30
  31         require_once 'db-prefs.php';
  32         require_once 'compat.php';
  33         require_once 'errors.php';
  34         require_once 'version.php';
  35
  36         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
  37         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
  38
  39         require_once "magpierss/rss_fetch.inc";
  40         require_once 'magpierss/rss_utils.inc';
  41
  42         function _debug($msg) {
  43                 $ts = strftime("%H:%M:%S", time());
  44                 print "[$ts] $msg\n";
  45         }
  46
  47         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
  48
  49                 $rows = -1;
  50
  51                 if (DB_TYPE == "pgsql") {
  52 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
  53                                 marked = false AND feed_id = '$feed_id' AND
  54                                 (SELECT date_entered FROM ttrss_entries WHERE
  55                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
  56
  57                         $pg_version = get_pgsql_version($link);
  58
  59                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
  60
  61                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
  62                                         ttrss_entries.id = ref_id AND
  63                                         marked = false AND
  64                                         feed_id = '$feed_id' AND
  65                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
  66
  67                         } else {
  68
  69                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
  70                                         USING ttrss_entries
  71                                         WHERE ttrss_entries.id = ref_id AND
  72                                         marked = false AND
  73                                         feed_id = '$feed_id' AND
  74                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
  75                         }
  76
  77                         $rows = pg_affected_rows($result);
  78
  79                 } else {
  80
  81 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
  82                                 marked = false AND feed_id = '$feed_id' AND
  83                                 (SELECT date_entered FROM ttrss_entries WHERE
  84                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
  85
  86                         $result = db_query($link, "DELETE FROM ttrss_user_entries
  87                                 USING ttrss_user_entries, ttrss_entries
  88                                 WHERE ttrss_entries.id = ref_id AND
  89                                 marked = false AND
  90                                 feed_id = '$feed_id' AND
  91                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
  92
  93                         $rows = mysql_affected_rows($link);
  94
  95                 }
  96
  97                 if ($debug) {
  98                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
  99                 }
 100         }
 101
 102         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 103
 104                 $random_qpart = sql_random_function();
 105
 106                 if ($limit) {
 107                         $limit_qpart = "LIMIT $limit";
 108                 } else {
 109                         $limit_qpart = "";
 110                 }
 111
 112                 $result = db_query($link,
 113                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 114                                 ORDER BY $random_qpart $limit_qpart");
 115
 116                 while ($line = db_fetch_assoc($result)) {
 117
 118                         $feed_id = $line["id"];
 119                         $purge_interval = $line["purge_interval"];
 120                         $owner_uid = $line["owner_uid"];
 121
 122                         if ($purge_interval == 0) {
 123
 124                                 $tmp_result = db_query($link,
 125                                         "SELECT value FROM ttrss_user_prefs WHERE
 126                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 127
 128                                 if (db_num_rows($tmp_result) != 0) {
 129                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 130                                 }
 131                         }
 132
 133                         if ($do_output) {
 134 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 135                         }
 136
 137                         if ($purge_interval > 0) {
 138                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 139                         }
 140                 }
 141
 142                 // purge orphaned posts in main content table
 143                 db_query($link, "DELETE FROM ttrss_entries WHERE
 144                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 145
 146         }
 147
 148         function purge_old_posts($link) {
 149
 150                 $user_id = $_SESSION["uid"];
 151
 152                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 153                         WHERE owner_uid = '$user_id'");
 154
 155                 while ($line = db_fetch_assoc($result)) {
 156
 157                         $feed_id = $line["id"];
 158                         $purge_interval = $line["purge_interval"];
 159
 160                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 161
 162                         if ($purge_interval > 0) {
 163                                 purge_feed($link, $feed_id, $purge_interval);
 164                         }
 165                 }
 166
 167                 // purge orphaned posts in main content table
 168                 db_query($link, "DELETE FROM ttrss_entries WHERE
 169                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 170         }
 171
 172         function update_all_feeds($link, $fetch, $user_id = false, $force_daemon = false) {
 173
 174                 if (WEB_DEMO_MODE) return;
 175
 176                 if (!$user_id) {
 177                         $user_id = $_SESSION["uid"];
 178                         purge_old_posts($link);
 179                 }
 180
 181 //              db_query($link, "BEGIN");
 182
 183                 if (MAX_UPDATE_TIME > 0) {
 184                         if (DB_TYPE == "mysql") {
 185                                 $q_order = "RAND()";
 186                         } else {
 187                                 $q_order = "RANDOM()";
 188                         }
 189                 } else {
 190                         $q_order = "last_updated DESC";
 191                 }
 192
 193                 $result = db_query($link, "SELECT feed_url,id,
 194                         SUBSTRING(last_updated,1,19) AS last_updated,
 195                         update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'
 196                         ORDER BY $q_order");
 197
 198                 $upd_start = time();
 199
 200                 while ($line = db_fetch_assoc($result)) {
 201                         $upd_intl = $line["update_interval"];
 202
 203                         if (!$upd_intl || $upd_intl == 0) {
 204                                 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id, false);
 205                         }
 206
 207                         if ($upd_intl < 0) {
 208                                 // Updates for this feed are disabled
 209                                 continue;
 210                         }
 211
 212                         if ($fetch || (!$line["last_updated"] ||
 213                                 time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
 214
 215 //                              print "<!-- feed: ".$line["feed_url"]." -->";
 216
 217                                 update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
 218
 219                                 $upd_elapsed = time() - $upd_start;
 220
 221                                 if (MAX_UPDATE_TIME > 0 && $upd_elapsed > MAX_UPDATE_TIME) {
 222                                         return;
 223                                 }
 224                         }
 225                 }
 226
 227 //              db_query($link, "COMMIT");
 228
 229         }
 230
 231         function fetch_file_contents($url) {
 232                 if (USE_CURL_FOR_ICONS) {
 233                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
 234
 235                         $ch = curl_init($url);
 236                         $fp = fopen($tmpfile, "w");
 237
 238                         if ($fp) {
 239                                 curl_setopt($ch, CURLOPT_FILE, $fp);
 240                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 241                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 242                                 curl_exec($ch);
 243                                 curl_close($ch);
 244                                 fclose($fp);
 245                         }
 246
 247                         $contents =  file_get_contents($tmpfile);
 248                         unlink($tmpfile);
 249
 250                         return $contents;
 251
 252                 } else {
 253                         return file_get_contents($url);
 254                 }
 255
 256         }
 257
 258         // adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 259         // http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 260
 261         function get_favicon_url($url) {
 262
 263                 if ($html = @fetch_file_contents($url)) {
 264
 265                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 266                                 // Attempt to grab a favicon link from their webpage url
 267                                 $linkUrl = html_entity_decode($matches[1]);
 268
 269                                 if (substr($linkUrl, 0, 1) == '/') {
 270                                         $urlParts = parse_url($url);
 271                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 272                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 273                                         $faviconURL = $linkUrl;
 274                                 } else if (substr($url, -1, 1) == '/') {
 275                                         $faviconURL = $url.$linkUrl;
 276                                 } else {
 277                                         $faviconURL = $url.'/'.$linkUrl;
 278                                 }
 279
 280                         } else {
 281                                 // If unsuccessful, attempt to "guess" the favicon location
 282                                 $urlParts = parse_url($url);
 283                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 284                         }
 285                 }
 286
 287                 // Run a test to see if what we have attempted to get actually exists.
 288                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 289                         return $faviconURL;
 290                 } else {
 291                         return false;
 292                 }
 293         }
 294
 295         function url_validate($link) {
 296
 297                 $url_parts = @parse_url($link);
 298
 299                 if ( empty( $url_parts["host"] ) )
 300                                 return false;
 301
 302                 if ( !empty( $url_parts["path"] ) ) {
 303                                 $documentpath = $url_parts["path"];
 304                 } else {
 305                                 $documentpath = "/";
 306                 }
 307
 308                 if ( !empty( $url_parts["query"] ) )
 309                                 $documentpath .= "?" . $url_parts["query"];
 310
 311                 $host = $url_parts["host"];
 312                 $port = $url_parts["port"];
 313
 314                 if ( empty($port) )
 315                                 $port = "80";
 316
 317                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 318
 319                 if ( !$socket )
 320                                 return false;
 321
 322                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 323
 324                 $http_response = fgets( $socket, 22 );
 325
 326                 $responses = "/(200 OK)|(30[0-9] Moved)/";
 327                 if ( preg_match($responses, $http_response) ) {
 328                                 fclose($socket);
 329                                 return true;
 330                 } else {
 331                                 return false;
 332                 }
 333
 334         }
 335
 336         function check_feed_favicon($site_url, $feed, $link) {
 337                 $favicon_url = get_favicon_url($site_url);
 338
 339 #               print "FAVICON [$site_url]: $favicon_url\n";
 340
 341                 error_reporting(0);
 342
 343                 $icon_file = ICONS_DIR . "/$feed.ico";
 344
 345                 if ($favicon_url && !file_exists($icon_file)) {
 346                         $contents = fetch_file_contents($favicon_url);
 347
 348                         $fp = fopen($icon_file, "w");
 349
 350                         if ($fp) {
 351                                 fwrite($fp, $contents);
 352                                 fclose($fp);
 353                                 chmod($icon_file, 0644);
 354                         }
 355                 }
 356
 357                 error_reporting(DEFAULT_ERROR_LEVEL);
 358
 359         }
 360
 361         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 362
 363                 if (DAEMON_REFRESH_ONLY && !$_GET["daemon"] && !$ignore_daemon) {
 364                         return;
 365                 }
 366
 367                 if (defined('DAEMON_EXTENDED_DEBUG')) {
 368                         _debug("update_rss_feed: start");
 369                 }
 370
 371                 $result = db_query($link, "SELECT update_interval,auth_login,auth_pass
 372                         FROM ttrss_feeds WHERE id = '$feed'");
 373
 374                 $auth_login = db_unescape_string(db_fetch_result($result, 0, "auth_login"));
 375                 $auth_pass = db_unescape_string(db_fetch_result($result, 0, "auth_pass"));
 376
 377                 $update_interval = db_fetch_result($result, 0, "update_interval");
 378
 379                 if ($update_interval < 0) { return; }
 380
 381                 $feed = db_escape_string($feed);
 382
 383                 $fetch_url = $feed_url;
 384
 385                 if ($auth_login && $auth_pass) {
 386                         $url_parts = array();
 387                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 388
 389                         if ($url_parts[1] && $url_parts[2]) {
 390                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 391                         }
 392
 393                 }
 394
 395                 if (defined('DAEMON_EXTENDED_DEBUG')) {
 396                         _debug("update_rss_feed: fetching...");
 397                 }
 398
 399                 if (!defined('DAEMON_EXTENDED_DEBUG')) {
 400                         error_reporting(0);
 401                 }
 402
 403                 $rss = fetch_rss($fetch_url);
 404
 405                 if (defined('DAEMON_EXTENDED_DEBUG')) {
 406                         _debug("update_rss_feed: fetch done, parsing...");
 407                 } else {
 408                         error_reporting (DEFAULT_ERROR_LEVEL);
 409                 }
 410
 411                 $feed = db_escape_string($feed);
 412
 413                 if ($rss) {
 414
 415                         if (defined('DAEMON_EXTENDED_DEBUG')) {
 416                                 _debug("update_rss_feed: processing feed data...");
 417                         }
 418
 419 //                      db_query($link, "BEGIN");
 420
 421                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 422                                 FROM ttrss_feeds WHERE id = '$feed'");
 423
 424                         $registered_title = db_fetch_result($result, 0, "title");
 425                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 426                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 427
 428                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 429
 430                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 431                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
 432                                         _debug("update_rss_feed: checking favicon...");
 433                                 }
 434                                 check_feed_favicon($rss->channel["link"], $feed, $link);
 435                         }
 436
 437                         if (!$registered_title || $registered_title == "[Unknown]") {
 438
 439                                 $feed_title = db_escape_string($rss->channel["title"]);
 440
 441                                 db_query($link, "UPDATE ttrss_feeds SET
 442                                         title = '$feed_title' WHERE id = '$feed'");
 443                         }
 444
 445                         $site_url = $rss->channel["link"];
 446                         // weird, weird Magpie
 447                         if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 448
 449                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 450                                 db_query($link, "UPDATE ttrss_feeds SET
 451                                         site_url = '$site_url' WHERE id = '$feed'");
 452                         }
 453
 454 //                      print "I: " . $rss->channel["image"]["url"];
 455
 456                         $icon_url = $rss->image["url"];
 457
 458                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 459                                 $icon_url = db_escape_string($icon_url);
 460                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 461                         }
 462
 463                         if (defined('DAEMON_EXTENDED_DEBUG')) {
 464                                 _debug("update_rss_feed: loading filters...");
 465                         }
 466
 467                         $filters = array();
 468
 469                         $result = db_query($link, "SELECT reg_exp,
 470                                 ttrss_filter_types.name AS name,
 471                                 ttrss_filter_actions.name AS action,
 472                                 inverse,
 473                                 action_param
 474                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
 475                                         enabled = true AND
 476                                         owner_uid = $owner_uid AND
 477                                         ttrss_filter_types.id = filter_type AND
 478                                         ttrss_filter_actions.id = action_id AND
 479                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
 480
 481                         while ($line = db_fetch_assoc($result)) {
 482                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
 483
 484                                 $filter["reg_exp"] = $line["reg_exp"];
 485                                 $filter["action"] = $line["action"];
 486                                 $filter["action_param"] = $line["action_param"];
 487                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
 488
 489                                 array_push($filters[$line["name"]], $filter);
 490                         }
 491
 492                         $iterator = $rss->items;
 493
 494                         if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 495                         if (!$iterator || !is_array($iterator)) $iterator = $rss;
 496
 497                         if (!is_array($iterator)) {
 498                                 /* db_query($link, "UPDATE ttrss_feeds
 499                                         SET last_error = 'Parse error: can\'t find any articles.'
 500                                         WHERE id = '$feed'"); */
 501
 502                                 // clear any errors and mark feed as updated if fetched okay
 503                                 // even if it's blank
 504
 505                                 db_query($link, "UPDATE ttrss_feeds
 506                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 507
 508                                 return; // no articles
 509                         }
 510
 511                         if (defined('DAEMON_EXTENDED_DEBUG')) {
 512                                 _debug("update_rss_feed: processing articles...");
 513                         }
 514
 515                         foreach ($iterator as $item) {
 516
 517                                 $entry_guid = $item["id"];
 518
 519                                 if (!$entry_guid) $entry_guid = $item["guid"];
 520                                 if (!$entry_guid) $entry_guid = $item["link"];
 521                                 if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 522
 523                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
 524                                         _debug("update_rss_feed: guid $entry_guid");
 525                                 }
 526
 527                                 if (!$entry_guid) continue;
 528
 529                                 $entry_timestamp = "";
 530
 531                                 $rss_2_date = $item['pubdate'];
 532                                 $rss_1_date = $item['dc']['date'];
 533                                 $atom_date = $item['issued'];
 534                                 if (!$atom_date) $atom_date = $item['updated'];
 535
 536                                 if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 537                                 if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 538                                 if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 539
 540                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 541                                         $entry_timestamp = time();
 542                                         $no_orig_date = 'true';
 543                                 } else {
 544                                         $no_orig_date = 'false';
 545                                 }
 546
 547                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 548
 549                                 $entry_title = trim(strip_tags($item["title"]));
 550
 551                                 // strange Magpie workaround
 552                                 $entry_link = $item["link_"];
 553                                 if (!$entry_link) $entry_link = $item["link"];
 554
 555                                 if (!$entry_title) continue;
 556 #                                       if (!$entry_link) continue;
 557
 558                                 $entry_link = strip_tags($entry_link);
 559
 560                                 $entry_content = $item["content:escaped"];
 561
 562                                 if (!$entry_content) $entry_content = $item["content:encoded"];
 563                                 if (!$entry_content) $entry_content = $item["content"];
 564                                 if (!$entry_content) $entry_content = $item["atom_content"];
 565                                 if (!$entry_content) $entry_content = $item["summary"];
 566                                 if (!$entry_content) $entry_content = $item["description"];
 567
 568 //                              if (!$entry_content) continue;
 569
 570                                 // WTF
 571                                 if (is_array($entry_content)) {
 572                                         $entry_content = $entry_content["encoded"];
 573                                         if (!$entry_content) $entry_content = $entry_content["escaped"];
 574                                 }
 575
 576 //                              print_r($item);
 577 //                              print_r(htmlspecialchars($entry_content));
 578 //                              print "<br>";
 579
 580                                 $entry_content_unescaped = $entry_content;
 581                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 582
 583                                 $entry_comments = strip_tags($item["comments"]);
 584
 585                                 $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 586
 587                                 if ($item['author']) {
 588
 589                                         if (is_array($item['author'])) {
 590
 591                                                 if (!$entry_author) {
 592                                                         $entry_author = db_escape_string(strip_tags($item['author']['name']));
 593                                                 }
 594
 595                                                 if (!$entry_author) {
 596                                                         $entry_author = db_escape_string(strip_tags($item['author']['email']));
 597                                                 }
 598                                         }
 599
 600                                         if (!$entry_author) {
 601                                                 $entry_author = db_escape_string(strip_tags($item['author']));
 602                                         }
 603                                 }
 604
 605                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 606
 607                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 608
 609                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 610                                         WHERE guid = '$entry_guid'");
 611
 612                                 $entry_content = db_escape_string($entry_content);
 613                                 $entry_title = db_escape_string($entry_title);
 614                                 $entry_link = db_escape_string($entry_link);
 615                                 $entry_comments = db_escape_string($entry_comments);
 616
 617                                 $num_comments = db_escape_string($item["slash"]["comments"]);
 618
 619                                 if (!$num_comments) $num_comments = 0;
 620
 621 /*                              $dc_subject = $item['dc']['subject'];
 622
 623                                 $subject_tags = false;
 624
 625                                 if (is_array($dc_subject)) {
 626                                         $subject_tags = $dc_subject;
 627                                 } else if ($dc_subject) {
 628                                         $subject_tags = array($dc_subject);
 629                                 } */
 630
 631                                 # sanitize content
 632
 633                                 $entry_content = sanitize_rss($entry_content);
 634
 635                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
 636                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
 637                                 }
 638
 639                                 db_query($link, "BEGIN");
 640
 641                                 if (db_num_rows($result) == 0) {
 642
 643                                         if (defined('DAEMON_EXTENDED_DEBUG')) {
 644                                                 _debug("update_rss_feed: base guid not found");
 645                                         }
 646
 647                                         // base post entry does not exist, create it
 648
 649                                         $result = db_query($link,
 650                                                 "INSERT INTO ttrss_entries
 651                                                         (title,
 652                                                         guid,
 653                                                         link,
 654                                                         updated,
 655                                                         content,
 656                                                         content_hash,
 657                                                         no_orig_date,
 658                                                         date_entered,
 659                                                         comments,
 660                                                         num_comments,
 661                                                         author)
 662                                                 VALUES
 663                                                         ('$entry_title',
 664                                                         '$entry_guid',
 665                                                         '$entry_link',
 666                                                         '$entry_timestamp_fmt',
 667                                                         '$entry_content',
 668                                                         '$content_hash',
 669                                                         $no_orig_date,
 670                                                         NOW(),
 671                                                         '$entry_comments',
 672                                                         '$num_comments',
 673                                                         '$entry_author')");
 674                                 } else {
 675                                         // we keep encountering the entry in feeds, so we need to
 676                                         // update date_entered column so that we don't get horrible
 677                                         // dupes when the entry gets purged and reinserted again e.g.
 678                                         // in the case of SLOW SLOW OMG SLOW updating feeds
 679
 680                                         $base_entry_id = db_fetch_result($result, 0, "id");
 681
 682                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
 683                                                 WHERE id = '$base_entry_id'");
 684                                 }
 685
 686                                 // now it should exist, if not - bad luck then
 687
 688                                 $result = db_query($link, "SELECT
 689                                                 id,content_hash,no_orig_date,title,
 690                                                 substring(date_entered,1,19) as date_entered,
 691                                                 substring(updated,1,19) as updated,
 692                                                 num_comments
 693                                         FROM
 694                                                 ttrss_entries
 695                                         WHERE guid = '$entry_guid'");
 696
 697                                 if (db_num_rows($result) == 1) {
 698
 699                                         if (defined('DAEMON_EXTENDED_DEBUG')) {
 700                                                 _debug("update_rss_feed: base guid found, checking for user record");
 701                                         }
 702
 703                                         // this will be used below in update handler
 704                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
 705                                         $orig_title = db_fetch_result($result, 0, "title");
 706                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
 707                                         $orig_date_entered = strtotime(db_fetch_result($result,
 708                                                 0, "date_entered"));
 709
 710                                         $ref_id = db_fetch_result($result, 0, "id");
 711
 712                                         // check for user post link to main table
 713
 714                                         // do we allow duplicate posts with same GUID in different feeds?
 715                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
 716                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
 717                                         } else {
 718                                                 $dupcheck_qpart = "";
 719                                         }
 720
 721 //                                      error_reporting(0);
 722
 723                                         $article_filters = get_article_filters($filters, $entry_title,
 724                                                         $entry_content, $entry_link);
 725
 726                                         if (defined('DAEMON_EXTENDED_DEBUG')) {
 727                                                 _debug("update_rss_feed: article filters: ");
 728                                                 if (count($article_filters) != 0) {
 729                                                         print_r($article_filters);
 730                                                 }
 731                                         }
 732
 733                                         if (find_article_filter($article_filters, "filter")) {
 734                                                 continue;
 735                                         }
 736
 737 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
 738
 739                                         $result = db_query($link,
 740                                                 "SELECT ref_id FROM ttrss_user_entries WHERE
 741                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
 742                                                         $dupcheck_qpart");
 743
 744                                         // okay it doesn't exist - create user entry
 745                                         if (db_num_rows($result) == 0) {
 746
 747                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
 748                                                         _debug("update_rss_feed: user record not found, creating...");
 749                                                 }
 750
 751                                                 if (!find_article_filter($article_filters, 'catchup')) {
 752                                                         $unread = 'true';
 753                                                         $last_read_qpart = 'NULL';
 754                                                 } else {
 755                                                         $unread = 'false';
 756                                                         $last_read_qpart = 'NOW()';
 757                                                 }
 758
 759                                                 if (find_article_filter($article_filters, 'mark')) {
 760                                                         $marked = 'true';
 761                                                 } else {
 762                                                         $marked = 'false';
 763                                                 }
 764
 765                                                 $result = db_query($link,
 766                                                         "INSERT INTO ttrss_user_entries
 767                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked)
 768                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
 769                                                                 $last_read_qpart, $marked)");
 770                                         }
 771
 772                                         $post_needs_update = false;
 773
 774                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
 775                                                 ($content_hash != $orig_content_hash)) {
 776                                                 $post_needs_update = true;
 777                                         }
 778
 779                                         if ($orig_title != $entry_title) {
 780                                                 $post_needs_update = true;
 781                                         }
 782
 783                                         if ($orig_num_comments != $num_comments) {
 784                                                 $post_needs_update = true;
 785                                         }
 786
 787 //                                      this doesn't seem to be very reliable
 788 //
 789 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
 790 //                                              $post_needs_update = true;
 791 //                                      }
 792
 793                                         // if post needs update, update it and mark all user entries
 794                                         // linking to this post as updated
 795                                         if ($post_needs_update) {
 796
 797                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
 798                                                         _debug("update_rss_feed: post $entry_guid needs update...");
 799                                                 }
 800
 801 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
 802
 803                                                 db_query($link, "UPDATE ttrss_entries
 804                                                         SET title = '$entry_title', content = '$entry_content',
 805                                                                 num_comments = '$num_comments'
 806                                                         WHERE id = '$ref_id'");
 807
 808                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
 809                                                         db_query($link, "UPDATE ttrss_user_entries
 810                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
 811                                                 } else {
 812                                                         db_query($link, "UPDATE ttrss_user_entries
 813                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
 814                                                 }
 815
 816                                         }
 817                                 }
 818
 819                                 db_query($link, "COMMIT");
 820
 821                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
 822                                         _debug("update_rss_feed: looking for tags...");
 823                                 }
 824
 825                                 /* taaaags */
 826                                 // <a href="..." rel="tag">Xorg</a>, //
 827
 828                                 $entry_tags = null;
 829
 830                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
 831                                         $entry_content_unescaped, $entry_tags);
 832
 833 //                              print "<br>$entry_title : $entry_content_unescaped<br>";
 834 //                              print_r($entry_tags);
 835 //                              print "<br>";
 836
 837                                 $entry_tags = $entry_tags[1];
 838
 839                                 # check for manual tags
 840
 841                                 $tag_filter = find_article_filter($article_filters, "tag");
 842
 843                                 if ($tag_filter) {
 844
 845                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
 846
 847                                         foreach ($manual_tags as $tag) {
 848                                                 if (tag_is_valid($tag)) {
 849                                                         array_push($entry_tags, $tag);
 850                                                 }
 851                                         }
 852                                 }
 853
 854 /*                              if ($subject_tags) {
 855                                         foreach ($subject_tags as $tag) {
 856                                                 if (tag_is_valid($tag)) {
 857                                                         array_push($entry_tags, $tag);
 858                                                 }
 859                                         }
 860                                 } */
 861
 862                                 if (count($entry_tags) > 0) {
 863
 864                                         db_query($link, "BEGIN");
 865
 866                                         $result = db_query($link, "SELECT id,int_id
 867                                                 FROM ttrss_entries,ttrss_user_entries
 868                                                 WHERE guid = '$entry_guid'
 869                                                 AND feed_id = '$feed' AND ref_id = id
 870                                                 AND owner_uid = '$owner_uid'");
 871
 872                                         if (db_num_rows($result) == 1) {
 873
 874                                                 $entry_id = db_fetch_result($result, 0, "id");
 875                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
 876
 877                                                 foreach ($entry_tags as $tag) {
 878                                                         $tag = db_escape_string(mb_strtolower(strip_tags($tag)));
 879
 880                                                         $tag = str_replace("+", " ", $tag);
 881                                                         $tag = str_replace("technorati tag: ", "", $tag);
 882
 883                                                         if (!tag_is_valid($tag)) continue;
 884
 885                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
 886                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
 887                                                                 owner_uid = '$owner_uid' LIMIT 1");
 888
 889         //                                              print db_fetch_result($result, 0, "id");
 890
 891                                                         if ($result && db_num_rows($result) == 0) {
 892
 893         //                                                      print "tagging $entry_id as $tag<br>";
 894
 895                                                                 db_query($link, "INSERT INTO ttrss_tags
 896                                                                         (owner_uid,tag_name,post_int_id)
 897                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
 898                                                         }
 899                                                 }
 900                                         }
 901                                         db_query($link, "COMMIT");
 902                                 }
 903                         }
 904
 905                         db_query($link, "UPDATE ttrss_feeds
 906                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 907
 908 //                      db_query($link, "COMMIT");
 909
 910                 } else {
 911                         $error_msg = db_escape_string(magpie_error());
 912                         db_query($link,
 913                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
 914                                         last_updated = NOW() WHERE id = '$feed'");
 915                 }
 916
 917                 if (defined('DAEMON_EXTENDED_DEBUG')) {
 918                         _debug("update_rss_feed: done");
 919                 }
 920
 921         }
 922
 923         function print_select($id, $default, $values, $attributes = "") {
 924                 print "<select name=\"$id\" id=\"$id\" $attributes>";
 925                 foreach ($values as $v) {
 926                         if ($v == $default)
 927                                 $sel = " selected";
 928                          else
 929                                 $sel = "";
 930
 931                         print "<option$sel>$v</option>";
 932                 }
 933                 print "</select>";
 934         }
 935
 936         function print_select_hash($id, $default, $values, $attributes = "") {
 937                 print "<select name=\"$id\" id='$id' $attributes>";
 938                 foreach (array_keys($values) as $v) {
 939                         if ($v == $default)
 940                                 $sel = "selected";
 941                          else
 942                                 $sel = "";
 943
 944                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
 945                 }
 946
 947                 print "</select>";
 948         }
 949
 950         function get_article_filters($filters, $title, $content, $link) {
 951                 $matches = array();
 952
 953                 if ($filters["title"]) {
 954                         foreach ($filters["title"] as $filter) {
 955                                 $reg_exp = $filter["reg_exp"];
 956                                 $inverse = $filter["inverse"];
 957                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
 958                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
 959
 960                                         array_push($matches, array($filter["action"], $filter["action_param"]));
 961                                 }
 962                         }
 963                 }
 964
 965                 if ($filters["content"]) {
 966                         foreach ($filters["content"] as $filter) {
 967                                 $reg_exp = $filter["reg_exp"];
 968                                 $inverse = $filter["inverse"];
 969
 970                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
 971                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
 972
 973                                         array_push($matches, array($filter["action"], $filter["action_param"]));
 974                                 }
 975                         }
 976                 }
 977
 978                 if ($filters["both"]) {
 979                         foreach ($filters["both"] as $filter) {
 980                                 $reg_exp = $filter["reg_exp"];
 981                                 $inverse = $filter["inverse"];
 982
 983                                 if ($inverse) {
 984                                         if (!preg_match("/$reg_exp/i", $title) || !preg_match("/$reg_exp/i", $content)) {
 985                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
 986                                         }
 987                                 } else {
 988                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
 989                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
 990                                         }
 991                                 }
 992                         }
 993                 }
 994
 995                 if ($filters["link"]) {
 996                         $reg_exp = $filter["reg_exp"];
 997                         foreach ($filters["link"] as $filter) {
 998                                 $reg_exp = $filter["reg_exp"];
 999                                 $inverse = $filter["inverse"];
1000
1001                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1002                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1003
1004                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1005                                 }
1006                         }
1007                 }
1008
1009                 return $matches;
1010         }
1011
1012         function find_article_filter($filters, $filter_name) {
1013                 foreach ($filters as $f) {
1014                         if ($f[0] == $filter_name) {
1015                                 return $f;
1016                         };
1017                 }
1018                 return false;
1019         }
1020
1021         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1022                 $rtl_content = false, $last_updated = false, $last_error = false) {
1023
1024                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1025                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1026                 } else {
1027                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1028                 }
1029
1030                 if ($rtl_content) {
1031                         $rtl_tag = "dir=\"rtl\"";
1032                 } else {
1033                         $rtl_tag = "dir=\"ltr\"";
1034                 }
1035
1036                 $error_notify_msg = "";
1037
1038                 if ($last_error) {
1039                         $link_title = "Error: $last_error ($last_updated)";
1040                         $error_notify_msg = "(Error)";
1041                 } else if ($last_updated) {
1042                         $link_title = "Updated: $last_updated";
1043                 }
1044
1045                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1046                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1047
1048                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1049                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1050                         print "$feed_icon";
1051                 }
1052
1053                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1054
1055                 if ($unread != 0) {
1056                         $fctr_class = "";
1057                 } else {
1058                         $fctr_class = "class=\"invisible\"";
1059                 }
1060
1061                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1062                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1063
1064                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1065                         print "<div class=\"feedExtInfo\">
1066                                 <span id=\"FLUPD-$feed_id\">$last_updated $error_notify_msg</span></div>";
1067                 }
1068
1069                 print "</li>";
1070
1071         }
1072
1073         function getmicrotime() {
1074                 list($usec, $sec) = explode(" ",microtime());
1075                 return ((float)$usec + (float)$sec);
1076         }
1077
1078         function print_radio($id, $default, $values, $attributes = "") {
1079                 foreach ($values as $v) {
1080
1081                         if ($v == $default)
1082                                 $sel = "checked";
1083                          else
1084                                 $sel = "";
1085
1086                         if ($v == "Yes") {
1087                                 $sel .= " value=\"1\"";
1088                         } else {
1089                                 $sel .= " value=\"0\"";
1090                         }
1091
1092                         print "<input class=\"noborder\"
1093                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1094
1095                 }
1096         }
1097
1098         function initialize_user_prefs($link, $uid) {
1099
1100                 $uid = db_escape_string($uid);
1101
1102                 db_query($link, "BEGIN");
1103
1104                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1105
1106                 $u_result = db_query($link, "SELECT pref_name
1107                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1108
1109                 $active_prefs = array();
1110
1111                 while ($line = db_fetch_assoc($u_result)) {
1112                         array_push($active_prefs, $line["pref_name"]);
1113                 }
1114
1115                 while ($line = db_fetch_assoc($result)) {
1116                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1117 //                              print "adding " . $line["pref_name"] . "<br>";
1118
1119                                 db_query($link, "INSERT INTO ttrss_user_prefs
1120                                         (owner_uid,pref_name,value) VALUES
1121                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1122
1123                         }
1124                 }
1125
1126                 db_query($link, "COMMIT");
1127
1128         }
1129
1130         function lookup_user_id($link, $user) {
1131
1132                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1133                         login = '$login'");
1134
1135                 if (db_num_rows($result) == 1) {
1136                         return db_fetch_result($result, 0, "id");
1137                 } else {
1138                         return false;
1139                 }
1140         }
1141
1142         function http_authenticate_user($link) {
1143
1144                 if (!$_SERVER["PHP_AUTH_USER"]) {
1145
1146                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1147                         header('HTTP/1.0 401 Unauthorized');
1148                         exit;
1149
1150                 } else {
1151                         $auth_result = authenticate_user($link,
1152                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1153
1154                         if (!$auth_result) {
1155                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1156                                 header('HTTP/1.0 401 Unauthorized');
1157                                 exit;
1158                         }
1159                 }
1160
1161                 return true;
1162         }
1163
1164         function authenticate_user($link, $login, $password, $force_auth = false) {
1165
1166                 if (!SINGLE_USER_MODE) {
1167
1168                         $pwd_hash = 'SHA1:' . sha1($password);
1169
1170                         if ($force_auth && defined('_DEBUG_USER_SWITCH')) {
1171                                 $query = "SELECT id,login,access_level
1172                     FROM ttrss_users WHERE
1173                          login = '$login'";
1174                         } else {
1175                                 $query = "SELECT id,login,access_level
1176                     FROM ttrss_users WHERE
1177                          login = '$login' AND pwd_hash = '$pwd_hash'";
1178                         }
1179
1180                         $result = db_query($link, $query);
1181
1182                         if (db_num_rows($result) == 1) {
1183                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1184                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1185                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1186
1187                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1188                                         $_SESSION["uid"]);
1189
1190                                 $user_theme = get_user_theme_path($link);
1191
1192                                 $_SESSION["theme"] = $user_theme;
1193                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1194
1195                                 initialize_user_prefs($link, $_SESSION["uid"]);
1196
1197                                 return true;
1198                         }
1199
1200                         return false;
1201
1202                 } else {
1203
1204                         $_SESSION["uid"] = 1;
1205                         $_SESSION["name"] = "admin";
1206
1207                         $user_theme = get_user_theme_path($link);
1208
1209                         $_SESSION["theme"] = $user_theme;
1210                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1211
1212                         initialize_user_prefs($link, $_SESSION["uid"]);
1213
1214                         return true;
1215                 }
1216         }
1217
1218         function make_password($length = 8) {
1219
1220                 $password = "";
1221                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1222
1223         $i = 0;
1224
1225                 while ($i < $length) {
1226                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1227
1228                         if (!strstr($password, $char)) {
1229                                 $password .= $char;
1230                                 $i++;
1231                         }
1232                 }
1233                 return $password;
1234         }
1235
1236         // this is called after user is created to initialize default feeds, labels
1237         // or whatever else
1238
1239         // user preferences are checked on every login, not here
1240
1241         function initialize_user($link, $uid) {
1242
1243                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1244                         values ('$uid','unread = true', 'Unread articles')");
1245
1246                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1247                         values ('$uid','last_read is null and unread = false', 'Updated articles')");
1248
1249                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1250                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1251                         'http://tt-rss.spb.ru/releases.rss')");
1252
1253                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1254                         values ('$uid', 'Tiny Tiny RSS: Forum',
1255                         'http://tt-rss.spb.ru/forum/rss.php')");
1256         }
1257
1258         function logout_user() {
1259                 session_destroy();
1260                 if (isset($_COOKIE[session_name()])) {
1261                    setcookie(session_name(), '', time()-42000, '/');
1262                 }
1263         }
1264
1265         function get_script_urlpath() {
1266                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1267         }
1268
1269         function validate_session($link) {
1270                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1271                         if ($_SESSION["ip_address"]) {
1272                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1273                                         $_SESSION["login_error_msg"] = "Session failed to validate (incorrect IP)";
1274                                         return false;
1275                                 }
1276                         }
1277                 }
1278
1279 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1280
1281                         //print_r($_SESSION);
1282
1283                         if (time() > $_SESSION["cookie_lifetime"]) {
1284                                 return false;
1285                         }
1286                 } */
1287
1288                 return true;
1289         }
1290
1291         function login_sequence($link, $mobile = false) {
1292                 if (!SINGLE_USER_MODE) {
1293
1294                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1295                                 $swu = db_escape_string($_REQUEST["swu"]);
1296                                 if ($swu) {
1297                                         $_SESSION["prefs_cache"] = false;
1298                                         return authenticate_user($link, $swu, null, true);
1299                                 }
1300                         }
1301
1302                         $login_action = $_POST["login_action"];
1303
1304                         # try to authenticate user if called from login form
1305                         if ($login_action == "do_login") {
1306                                 $login = $_POST["login"];
1307                                 $password = $_POST["password"];
1308                                 $remember_me = $_POST["remember_me"];
1309
1310                                 if (authenticate_user($link, $login, $password)) {
1311                                         $_POST["password"] = "";
1312
1313                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1314                                         exit;
1315
1316                                         return;
1317                                 } else {
1318                                         $_SESSION["login_error_msg"] = "Incorrect username or password";
1319                                 }
1320                         }
1321
1322 //                      print session_id();
1323 //                      print_r($_SESSION);
1324
1325                         if (!$_SESSION["uid"] || !validate_session($link)) {
1326                                 render_login_form($link, $mobile);
1327                                 exit;
1328                         } else {
1329                                 /* bump login timestamp */
1330                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1331                                         $_SESSION["uid"]);
1332                         }
1333
1334                 } else {
1335                         return authenticate_user($link, "admin", null);
1336                 }
1337         }
1338
1339         function truncate_string($str, $max_len) {
1340                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1341                         return mb_substr($str, 0, $max_len, "utf-8") . "...";
1342                 } else {
1343                         return $str;
1344                 }
1345         }
1346
1347         function get_user_theme_path($link) {
1348                 $result = db_query($link, "SELECT theme_path
1349                         FROM
1350                                 ttrss_themes,ttrss_users
1351                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1352                 if (db_num_rows($result) != 0) {
1353                         return db_fetch_result($result, 0, "theme_path");
1354                 } else {
1355                         return null;
1356                 }
1357         }
1358
1359         function smart_date_time($timestamp) {
1360                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1361                         return date("G:i", $timestamp);
1362                 } else if (date("Y", $timestamp) == date("Y")) {
1363                         return date("M d, G:i", $timestamp);
1364                 } else {
1365                         return date("Y/m/d, G:i", $timestamp);
1366                 }
1367         }
1368
1369         function smart_date($timestamp) {
1370                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1371                         return "Today";
1372                 } else if (date("Y", $timestamp) == date("Y")) {
1373                         return date("D m", $timestamp);
1374                 } else {
1375                         return date("Y/m/d", $timestamp);
1376                 }
1377         }
1378
1379         function sql_bool_to_string($s) {
1380                 if ($s == "t" || $s == "1") {
1381                         return "true";
1382                 } else {
1383                         return "false";
1384                 }
1385         }
1386
1387         function sql_bool_to_bool($s) {
1388                 if ($s == "t" || $s == "1") {
1389                         return true;
1390                 } else {
1391                         return false;
1392                 }
1393         }
1394
1395
1396         function toggleEvenOdd($a) {
1397                 if ($a == "even")
1398                         return "odd";
1399                 else
1400                         return "even";
1401         }
1402
1403         function sanity_check($link) {
1404
1405                 error_reporting(0);
1406
1407                 $error_code = 0;
1408                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1409                 $schema_version = db_fetch_result($result, 0, "schema_version");
1410
1411                 if ($schema_version != SCHEMA_VERSION) {
1412                         $error_code = 5;
1413                 }
1414
1415                 if (DB_TYPE == "mysql") {
1416                         $result = db_query($link, "SELECT true", false);
1417                         if (db_num_rows($result) != 1) {
1418                                 $error_code = 10;
1419                         }
1420                 }
1421
1422                 error_reporting (DEFAULT_ERROR_LEVEL);
1423
1424                 if ($error_code != 0) {
1425                         print_error_xml($error_code);
1426                         return false;
1427                 } else {
1428                         return true;
1429                 }
1430         }
1431
1432         function file_is_locked($filename) {
1433                 error_reporting(0);
1434                 $fp = fopen($filename, "r");
1435                 error_reporting(DEFAULT_ERROR_LEVEL);
1436                 if ($fp) {
1437                         if (flock($fp, LOCK_EX | LOCK_NB)) {
1438                                 flock($fp, LOCK_UN);
1439                                 fclose($fp);
1440                                 return false;
1441                         }
1442                         fclose($fp);
1443                         return true;
1444                 }
1445                 return false;
1446         }
1447
1448         function make_lockfile($filename) {
1449                 $fp = fopen($filename, "w");
1450
1451                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1452                         return $fp;
1453                 } else {
1454                         return false;
1455                 }
1456         }
1457
1458         function sql_random_function() {
1459                 if (DB_TYPE == "mysql") {
1460                         return "RAND()";
1461                 } else {
1462                         return "RANDOM()";
1463                 }
1464         }
1465
1466         function catchup_feed($link, $feed, $cat_view) {
1467
1468                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1469
1470                                 if ($cat_view) {
1471
1472                                         if ($feed > 0) {
1473                                                 $cat_qpart = "cat_id = '$feed'";
1474                                         } else {
1475                                                 $cat_qpart = "cat_id IS NULL";
1476                                         }
1477
1478                                         $tmp_result = db_query($link, "SELECT id
1479                                                 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
1480                                                 $_SESSION["uid"]);
1481
1482                                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
1483
1484                                                 $tmp_feed = $tmp_line["id"];
1485
1486                                                 db_query($link, "UPDATE ttrss_user_entries
1487                                                         SET unread = false,last_read = NOW()
1488                                                         WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
1489                                         }
1490
1491                                 } else if ($feed > 0) {
1492
1493                                         $tmp_result = db_query($link, "SELECT id
1494                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
1495                                                 ORDER BY cat_id,title");
1496
1497                                         $parent_ids = array();
1498
1499                                         if (db_num_rows($tmp_result) > 0) {
1500                                                 while ($p = db_fetch_assoc($tmp_result)) {
1501                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
1502                                                 }
1503
1504                                                 $children_qpart = implode(" OR ", $parent_ids);
1505
1506                                                 db_query($link, "UPDATE ttrss_user_entries
1507                                                         SET unread = false,last_read = NOW()
1508                                                         WHERE (feed_id = '$feed' OR $children_qpart)
1509                                                         AND owner_uid = " . $_SESSION["uid"]);
1510
1511                                         } else {
1512                                                 db_query($link, "UPDATE ttrss_user_entries
1513                                                         SET unread = false,last_read = NOW()
1514                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
1515                                         }
1516
1517                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
1518
1519                                         if ($feed == -1) {
1520                                                 db_query($link, "UPDATE ttrss_user_entries
1521                                                         SET unread = false,last_read = NOW()
1522                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
1523                                         }
1524
1525                                 } else if ($feed < -10) { // label
1526
1527                                         // TODO make this more efficient
1528
1529                                         $label_id = -$feed - 11;
1530
1531                                         $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
1532                                                 WHERE id = '$label_id'");
1533
1534                                         if ($tmp_result) {
1535                                                 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
1536
1537                                                 db_query($link, "BEGIN");
1538
1539                                                 $tmp2_result = db_query($link,
1540                                                         "SELECT
1541                                                                 int_id
1542                                                         FROM
1543                                                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
1544                                                         WHERE
1545                                                                 ref_id = ttrss_entries.id AND
1546                                                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1547                                                                 $sql_exp AND
1548                                                                 ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
1549
1550                                                 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
1551                                                         db_query($link, "UPDATE
1552                                                                 ttrss_user_entries
1553                                                         SET
1554                                                                 unread = false, last_read = NOW()
1555                                                         WHERE
1556                                                                 int_id = " . $tmp_line["int_id"]);
1557                                                 }
1558
1559                                                 db_query($link, "COMMIT");
1560
1561 /*                                              db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
1562                                                         SET unread = false,last_read = NOW()
1563                                                         WHERE $sql_exp
1564                                                         AND ref_id = id
1565                                                         AND owner_uid = ".$_SESSION["uid"]); */
1566                                         }
1567                                 }
1568                         } else { // tag
1569                                 db_query($link, "BEGIN");
1570
1571                                 $tag_name = db_escape_string($feed);
1572
1573                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
1574                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
1575
1576                                 while ($line = db_fetch_assoc($result)) {
1577                                         db_query($link, "UPDATE ttrss_user_entries SET
1578                                                 unread = false, last_read = NOW()
1579                                                 WHERE int_id = " . $line["post_int_id"]);
1580                                 }
1581                                 db_query($link, "COMMIT");
1582                         }
1583         }
1584
1585         function update_generic_feed($link, $feed, $cat_view) {
1586                         if ($cat_view) {
1587
1588                                 if ($feed > 0) {
1589                                         $cat_qpart = "cat_id = '$feed'";
1590                                 } else {
1591                                         $cat_qpart = "cat_id IS NULL";
1592                                 }
1593
1594                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1595                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
1596
1597                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
1598                                         $feed_url = $tmp_line["feed_url"];
1599                                         update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1600                                 }
1601
1602                         } else {
1603                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1604                                         WHERE id = '$feed'");
1605                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
1606                                 update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1607                         }
1608         }
1609
1610         function getAllCounters($link, $omode = "tflc") {
1611 /*              getLabelCounters($link);
1612                 getFeedCounters($link);
1613                 getTagCounters($link);
1614                 getGlobalCounters($link);
1615                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
1616                         getCategoryCounters($link);
1617                 } */
1618
1619                 if (!$omode) $omode = "tflc";
1620
1621                 getGlobalCounters($link);
1622
1623                 if (strchr($omode, "l")) getLabelCounters($link);
1624                 if (strchr($omode, "f")) getFeedCounters($link);
1625                 if (strchr($omode, "t")) getTagCounters($link);
1626                 if (strchr($omode, "c")) {
1627                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
1628                                 getCategoryCounters($link);
1629                         }
1630                 }
1631         }
1632
1633         function getCategoryCounters($link) {
1634                 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
1635                                 FROM ttrss_user_entries WHERE feed_id = ttrss_feeds.id
1636                                         AND unread = true)) AS unread FROM ttrss_feeds
1637                         WHERE
1638                                 hidden = false AND owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
1639
1640                 while ($line = db_fetch_assoc($result)) {
1641                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
1642                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
1643                                 $line["unread"]."\"/>";
1644                 }
1645         }
1646
1647         function getCategoryUnread($link, $cat) {
1648
1649                 if ($cat != 0) {
1650                         $cat_query = "cat_id = '$cat'";
1651                 } else {
1652                         $cat_query = "cat_id IS NULL";
1653                 }
1654
1655                 $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
1656                                 AND hidden = false
1657                                 AND owner_uid = " . $_SESSION["uid"]);
1658
1659                 $cat_feeds = array();
1660                 while ($line = db_fetch_assoc($result)) {
1661                         array_push($cat_feeds, "feed_id = " . $line["id"]);
1662                 }
1663
1664                 if (count($cat_feeds) == 0) return 0;
1665
1666                 $match_part = implode(" OR ", $cat_feeds);
1667
1668                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
1669                         FROM ttrss_user_entries
1670                         WHERE   unread = true AND ($match_part) AND owner_uid = " . $_SESSION["uid"]);
1671
1672                 $unread = 0;
1673
1674                 # this needs to be rewritten
1675                 while ($line = db_fetch_assoc($result)) {
1676                         $unread += $line["unread"];
1677                 }
1678
1679                 return $unread;
1680
1681         }
1682
1683         function getFeedUnread($link, $feed, $is_cat = false) {
1684                 $n_feed = sprintf("%d", $feed);
1685
1686                 if ($is_cat) {
1687                         return getCategoryUnread($link, $n_feed);
1688                 } else if ($n_feed == -1) {
1689                         $match_part = "marked = true";
1690                 } else if ($n_feed > 0) {
1691
1692                         $result = db_query($link, "SELECT id FROM ttrss_feeds
1693                                         WHERE parent_feed = '$n_feed'
1694                                         AND hidden = false
1695                                         AND owner_uid = " . $_SESSION["uid"]);
1696
1697                         if (db_num_rows($result) > 0) {
1698
1699                                 $linked_feeds = array();
1700                                 while ($line = db_fetch_assoc($result)) {
1701                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
1702                                 }
1703
1704                                 array_push($linked_feeds, "feed_id = $n_feed");
1705
1706                                 $match_part = implode(" OR ", $linked_feeds);
1707
1708                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
1709                                         FROM ttrss_user_entries
1710                                         WHERE   unread = true AND ($match_part)
1711                                         AND owner_uid = " . $_SESSION["uid"]);
1712
1713                                 $unread = 0;
1714
1715                                 # this needs to be rewritten
1716                                 while ($line = db_fetch_assoc($result)) {
1717                                         $unread += $line["unread"];
1718                                 }
1719
1720                                 return $unread;
1721
1722                         } else {
1723                                 $match_part = "feed_id = '$n_feed'";
1724                         }
1725                 } else if ($feed < -10) {
1726
1727                         $label_id = -$feed - 11;
1728
1729                         $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
1730                                 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
1731
1732                         $match_part = db_fetch_result($result, 0, "sql_exp");
1733                 }
1734
1735                 if ($match_part) {
1736
1737                         $result = db_query($link, "SELECT count(int_id) AS unread
1738                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
1739                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1740                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
1741                                 ttrss_feeds.hidden = false AND
1742                                 unread = true AND ($match_part) AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
1743
1744                 } else {
1745
1746                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
1747                                 FROM ttrss_tags,ttrss_user_entries
1748                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND unread = true AND
1749                                         ttrss_tags.owner_uid = " . $_SESSION["uid"]);
1750                 }
1751
1752                 $unread = db_fetch_result($result, 0, "unread");
1753
1754                 return $unread;
1755         }
1756
1757         /* FIXME this needs reworking */
1758
1759         function getGlobalUnread($link, $user_id = false) {
1760
1761                 if (!$user_id) {
1762                         $user_id = $_SESSION["uid"];
1763                 }
1764
1765                 $result = db_query($link, "SELECT count(ttrss_entries.id) as c_id FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
1766                         WHERE unread = true AND
1767                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
1768                         ttrss_user_entries.ref_id = ttrss_entries.id AND
1769                         hidden = false AND
1770                         ttrss_user_entries.owner_uid = '$user_id'");
1771                 $c_id = db_fetch_result($result, 0, "c_id");
1772                 return $c_id;
1773         }
1774
1775         function getGlobalCounters($link, $global_unread = -1) {
1776                 if ($global_unread == -1) {
1777                         $global_unread = getGlobalUnread($link);
1778                 }
1779                 print "<counter type=\"global\" id='global-unread'
1780                         counter='$global_unread'/>";
1781
1782                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
1783                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1784
1785                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1786
1787                 print "<counter type=\"global\" id='subscribed-feeds'
1788                         counter='$subscribed_feeds'/>";
1789
1790         }
1791
1792         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
1793
1794                 if ($smart_mode) {
1795                         if (!$_SESSION["tctr_last_value"]) {
1796                                 $_SESSION["tctr_last_value"] = array();
1797                         }
1798                 }
1799
1800                 $old_counters = $_SESSION["tctr_last_value"];
1801
1802                 $tctrs_modified = false;
1803
1804 /*              $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
1805                         FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
1806                         ttrss_user_entries.ref_id = ttrss_entries.id AND
1807                         ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
1808                         post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
1809                 UNION
1810                         select tag_name,0 as count FROM ttrss_tags
1811                         WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
1812
1813                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
1814                         FROM ttrss_user_entries WHERE int_id = post_int_id
1815                                 AND unread = true)) AS count FROM ttrss_tags
1816                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name ORDER BY tag_name");
1817
1818                 $tags = array();
1819
1820                 while ($line = db_fetch_assoc($result)) {
1821                         $tags[$line["tag_name"]] += $line["count"];
1822                 }
1823
1824                 foreach (array_keys($tags) as $tag) {
1825                         $unread = $tags[$tag];
1826
1827                         $tag = htmlspecialchars($tag);
1828
1829                         if (!$smart_mode || $old_counters[$tag] != $unread) {
1830                                 $old_counters[$tag] = $unread;
1831                                 $tctrs_modified = true;
1832                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
1833                         }
1834
1835                 }
1836
1837                 if ($smart_mode && $tctrs_modified) {
1838                         $_SESSION["tctr_last_value"] = $old_counters;
1839                 }
1840
1841         }
1842
1843         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
1844
1845                 if ($smart_mode) {
1846                         if (!$_SESSION["lctr_last_value"]) {
1847                                 $_SESSION["lctr_last_value"] = array();
1848                         }
1849                 }
1850
1851                 $ret_arr = array();
1852
1853                 $old_counters = $_SESSION["lctr_last_value"];
1854                 $lctrs_modified = false;
1855
1856                 $result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
1857                         WHERE marked = true AND ttrss_user_entries.ref_id = ttrss_entries.id AND
1858                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
1859                         unread = true AND ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
1860
1861                 $count = db_fetch_result($result, 0, "count");
1862
1863                 if (!$ret_mode) {
1864                         print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
1865                 } else {
1866                         $ret_arr["-1"]["counter"] = $count;
1867                         $ret_arr["-1"]["description"] = "Starred";
1868                 }
1869
1870                 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
1871                         ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
1872
1873                 while ($line = db_fetch_assoc($result)) {
1874
1875                         $id = -$line["id"] - 11;
1876
1877                         $label_name = $line["description"];
1878
1879                         error_reporting (0);
1880
1881                         $tmp_result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_user_entries,ttrss_entries,ttrss_feeds
1882                                 WHERE (" . $line["sql_exp"] . ") AND unread = true AND
1883                                 ttrss_feeds.hidden = false AND
1884                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1885                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
1886                                 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
1887
1888                         $count = db_fetch_result($tmp_result, 0, "count");
1889
1890                         if (!$smart_mode || $old_counters[$id] != $count) {
1891                                 $old_counters[$id] = $count;
1892                                 $lctrs_modified = true;
1893                                 if (!$ret_mode) {
1894                                         print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
1895                                 } else {
1896                                         $ret_arr[$id]["counter"] = $count;
1897                                         $ret_arr[$id]["description"] = $label_name;
1898                                 }
1899                         }
1900
1901                         error_reporting (DEFAULT_ERROR_LEVEL);
1902                 }
1903
1904                 if ($smart_mode && $lctrs_modified) {
1905                         $_SESSION["lctr_last_value"] = $old_counters;
1906                 }
1907
1908                 return $ret_arr;
1909         }
1910
1911 /*      function getFeedCounter($link, $id) {
1912
1913                 $result = db_query($link, "SELECT
1914                                 count(id) as count,last_error
1915                         FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
1916                         WHERE feed_id = '$id' AND unread = true
1917                         AND ttrss_user_entries.feed_id = ttrss_feeds.id
1918                         AND ttrss_user_entries.ref_id = ttrss_entries.id");
1919
1920                         $count = db_fetch_result($result, 0, "count");
1921                         $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
1922
1923                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
1924         } */
1925
1926         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
1927
1928                 if ($smart_mode) {
1929                         if (!$_SESSION["fctr_last_value"]) {
1930                                 $_SESSION["fctr_last_value"] = array();
1931                         }
1932                 }
1933
1934                 $old_counters = $_SESSION["fctr_last_value"];
1935
1936                 $result = db_query($link, "SELECT id,last_error,parent_feed,
1937                         SUBSTRING(last_updated,1,19) AS last_updated,
1938                         (SELECT count(id)
1939                                 FROM ttrss_entries,ttrss_user_entries
1940                                 WHERE feed_id = ttrss_feeds.id AND
1941                                         ttrss_user_entries.ref_id = ttrss_entries.id
1942                                 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
1943                         FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
1944                                 AND parent_feed IS NULL");
1945
1946                 $fctrs_modified = false;
1947
1948                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
1949
1950                 while ($line = db_fetch_assoc($result)) {
1951
1952                         $id = $line["id"];
1953                         $count = $line["count"];
1954                         $last_error = htmlspecialchars($line["last_error"]);
1955
1956                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
1957                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
1958                         } else {
1959                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
1960                         }
1961
1962                         $has_img = is_file(ICONS_DIR . "/$id.ico");
1963
1964                         $tmp_result = db_query($link,
1965                                 "SELECT id,COUNT(unread) AS unread
1966                                 FROM ttrss_feeds LEFT JOIN ttrss_user_entries
1967                                         ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
1968                                 WHERE parent_feed = '$id' AND unread = true GROUP BY ttrss_feeds.id");
1969
1970                         if (db_num_rows($tmp_result) > 0) {
1971                                 while ($l = db_fetch_assoc($tmp_result)) {
1972                                         $count += $l["unread"];
1973                                 }
1974                         }
1975
1976                         if (!$smart_mode || $old_counters[$id] != $count) {
1977                                 $old_counters[$id] = $count;
1978                                 $fctrs_modified = true;
1979
1980                                 if ($last_error) {
1981                                         $error_part = "error=\"$last_error\"";
1982                                 } else {
1983                                         $error_part = "";
1984                                 }
1985
1986                                 if ($has_img) {
1987                                         $has_img_part = "hi=\"$has_img\"";
1988                                 } else {
1989                                         $has_img_part = "";
1990                                 }
1991
1992                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\"/>";
1993                         }
1994                 }
1995
1996                 if ($smart_mode && $fctrs_modified) {
1997                         $_SESSION["fctr_last_value"] = $old_counters;
1998                 }
1999         }
2000
2001         function get_script_dt_add() {
2002                 if (strpos(VERSION, ".99") === false) {
2003                         return VERSION;
2004                 } else {
2005                         return time();
2006                 }
2007         }
2008
2009         function get_pgsql_version($link) {
2010                 $result = db_query($link, "SELECT version() AS version");
2011                 $version = split(" ", db_fetch_result($result, 0, "version"));
2012                 return $version[1];
2013         }
2014
2015         function print_error_xml($code, $add_msg = "") {
2016                 global $ERRORS;
2017
2018                 $error_msg = $ERRORS[$code];
2019
2020                 if ($add_msg) {
2021                         $error_msg = "$error_msg; $add_msg";
2022                 }
2023
2024                 print "<rpc-reply>";
2025                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2026                 print "</rpc-reply>";
2027         }
2028
2029         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2030                         $auth_login = '', $auth_pass = '') {
2031
2032                 # check for feed:http://url
2033                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2034
2035                 # check for feed://URL
2036                 if (strpos($feed_link, "//") === 0) {
2037                         $feed_link = "http:$feed_link";
2038                 }
2039
2040                 if ($feed_link == "") return;
2041
2042                 if ($cat_id == "0" || !$cat_id) {
2043                         $cat_qpart = "NULL";
2044                 } else {
2045                         $cat_qpart = "'$cat_id'";
2046                 }
2047
2048                 $result = db_query($link,
2049                         "SELECT id FROM ttrss_feeds
2050                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2051
2052                 if (db_num_rows($result) == 0) {
2053
2054                         $result = db_query($link,
2055                                 "INSERT INTO ttrss_feeds
2056                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2057                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2058                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2059
2060                         $result = db_query($link,
2061                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2062                                         AND owner_uid = " . $_SESSION["uid"]);
2063
2064                         $feed_id = db_fetch_result($result, 0, "id");
2065
2066                         if ($feed_id) {
2067                                 update_rss_feed($link, $feed_link, $feed_id, true);
2068                         }
2069
2070                         return true;
2071                 } else {
2072                         return false;
2073                 }
2074         }
2075
2076         function print_feed_select($link, $id, $default_id = "",
2077                 $attributes = "", $include_all_feeds = true) {
2078
2079                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2080                 if ($include_all_feeds) {
2081                         print "<option value=\"0\">All feeds</option>";
2082                 }
2083
2084                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2085                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2086
2087                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2088                         print "<option disabled>--------</option>";
2089                 }
2090
2091                 while ($line = db_fetch_assoc($result)) {
2092                         if ($line["id"] == $default_id) {
2093                                 $is_selected = "selected";
2094                         } else {
2095                                 $is_selected = "";
2096                         }
2097                         printf("<option $is_selected value='%d'>%s</option>",
2098                                 $line["id"], htmlspecialchars(db_unescape_string($line["title"])));
2099                 }
2100
2101                 print "</select>";
2102         }
2103
2104         function print_feed_cat_select($link, $id, $default_id = "",
2105                 $attributes = "", $include_all_cats = true) {
2106
2107                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2108
2109                 if ($include_all_cats) {
2110                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2111                 }
2112
2113                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2114                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2115
2116                 if (db_num_rows($result) > 0 && $include_all_cats) {
2117                         print "<option disabled>--------</option>";
2118                 }
2119
2120                 while ($line = db_fetch_assoc($result)) {
2121                         if ($line["id"] == $default_id) {
2122                                 $is_selected = "selected";
2123                         } else {
2124                                 $is_selected = "";
2125                         }
2126                         printf("<option $is_selected value='%d'>%s</option>",
2127                                 $line["id"], htmlspecialchars(db_unescape_string($line["title"])));
2128                 }
2129
2130                 print "</select>";
2131         }
2132
2133         function checkbox_to_sql_bool($val) {
2134                 return ($val == "on") ? "true" : "false";
2135         }
2136
2137         function getFeedCatTitle($link, $id) {
2138                 if ($id == -1) {
2139                         return __("Special");
2140                 } else if ($id < -10) {
2141                         return __("Labels");
2142                 } else if ($id > 0) {
2143                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2144                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2145                                         cat_id = ttrss_feed_categories.id");
2146                         if (db_num_rows($result) == 1) {
2147                                 return db_fetch_result($result, 0, "title");
2148                         } else {
2149                                 return __("Uncategorized");
2150                         }
2151                 } else {
2152                         return "getFeedCatTitle($id) failed";
2153                 }
2154
2155         }
2156
2157         function getFeedTitle($link, $id) {
2158                 if ($id == -1) {
2159                         return __("Starred articles");
2160                 } else if ($id < -10) {
2161                         $label_id = -10 - $id;
2162                         $result = db_query($link, "SELECT description FROM ttrss_labels WHERE id = '$label_id'");
2163                         if (db_num_rows($result) == 1) {
2164                                 return db_fetch_result($result, 0, "description");
2165                         } else {
2166                                 return "Unknown label ($label_id)";
2167                         }
2168
2169                 } else if ($id > 0) {
2170                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2171                         if (db_num_rows($result) == 1) {
2172                                 return db_fetch_result($result, 0, "title");
2173                         } else {
2174                                 return "Unknown feed ($id)";
2175                         }
2176                 } else {
2177                         return "getFeedTitle($id) failed";
2178                 }
2179
2180         }
2181
2182         function get_session_cookie_name() {
2183                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2184         }
2185
2186         function print_init_params($link) {
2187                 print "<init-params>";
2188                 if ($_SESSION["stored-params"]) {
2189                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
2190                                 if ($key) {
2191                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2192                                         print "<param key=\"$key\" value=\"$value\"/>";
2193                                 }
2194                         }
2195                 }
2196
2197                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2198                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2199                 print "<param key=\"daemon_refresh_only\" value=\"" . DAEMON_REFRESH_ONLY . "\"/>";
2200
2201                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
2202                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2203
2204                 print "<param key=\"hide_read_feeds\" value=\"" .
2205                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
2206
2207                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
2208                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
2209
2210                 print "<param key=\"confirm_feed_catchup\" value=\"" .
2211                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
2212
2213                 print "<param key=\"cdm_auto_catchup\" value=\"" .
2214                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
2215
2216                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
2217
2218                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
2219
2220                 print "<param key=\"default_view_mode\" value=\"" .
2221                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
2222
2223                 print "<param key=\"default_view_limit\" value=\"" .
2224                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
2225
2226                 print "<param key=\"prefs_active_tab\" value=\"" .
2227                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
2228
2229                 print "<param key=\"infobox_disable_overlay\" value=\"" .
2230                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
2231
2232                 print "</init-params>";
2233         }
2234
2235         function print_runtime_info($link) {
2236                 print "<runtime-info>";
2237                 if (ENABLE_UPDATE_DAEMON) {
2238                         print "<param key=\"daemon_is_running\" value=\"".
2239                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
2240                 }
2241                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
2242
2243                         if ($_SESSION["last_version_check"] + 600 < time()) {
2244                                 $new_version_details = check_for_update($link);
2245
2246                                 print "<param key=\"new_version_available\" value=\"".
2247                                         sprintf("%d", $new_version_details != ""). "\"/>";
2248
2249                                 $_SESSION["last_version_check"] = time();
2250                         }
2251                 }
2252
2253                 print "</runtime-info>";
2254         }
2255
2256         function getSearchSql($search, $match_on) {
2257
2258                 $search_query_part = "";
2259
2260                 $keywords = split(" ", $search);
2261                 $query_keywords = array();
2262
2263                 if ($match_on == "both") {
2264
2265                         foreach ($keywords as $k) {
2266                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
2267                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2268                         }
2269
2270                         $search_query_part = implode("AND", $query_keywords) . " AND ";
2271
2272                 } else if ($match_on == "title") {
2273
2274                         foreach ($keywords as $k) {
2275                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
2276                         }
2277
2278                         $search_query_part = implode("AND", $query_keywords) . " AND ";
2279
2280                 } else if ($match_on == "content") {
2281
2282                         foreach ($keywords as $k) {
2283                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2284                         }
2285                 }
2286
2287                 $search_query_part = implode("AND", $query_keywords);
2288
2289                 return $search_query_part;
2290         }
2291
2292         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0) {
2293
2294                         if ($search) {
2295
2296                                 $search_query_part = getSearchSql($search, $match_on);
2297                                 $search_query_part .= " AND ";
2298
2299                         } else {
2300                                 $search_query_part = "";
2301                         }
2302
2303                         $view_query_part = "";
2304
2305                         if ($view_mode == "adaptive") {
2306                                 if ($search) {
2307                                         $view_query_part = " ";
2308                                 } else if ($feed != -1) {
2309                                         $unread = getFeedUnread($link, $feed, $cat_view);
2310                                         if ($unread > 0) {
2311                                                 $view_query_part = " unread = true AND ";
2312                                         }
2313                                 }
2314                         }
2315
2316                         if ($view_mode == "marked") {
2317                                 $view_query_part = " marked = true AND ";
2318                         }
2319
2320                         if ($view_mode == "unread") {
2321                                 $view_query_part = " unread = true AND ";
2322                         }
2323
2324                         if ($limit > 0) {
2325                                 $limit_query_part = "LIMIT " . $limit;
2326                         }
2327
2328                         $vfeed_query_part = "";
2329
2330                         // override query strategy and enable feed display when searching globally
2331                         if ($search && $search_mode == "all_feeds") {
2332                                 $query_strategy_part = "ttrss_entries.id > 0";
2333                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2334                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
2335                                 $query_strategy_part = "ttrss_entries.id > 0";
2336                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2337                                         id = feed_id) as feed_title,";
2338                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
2339
2340                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2341
2342                                 $tmp_result = false;
2343
2344                                 if ($cat_view) {
2345                                         $tmp_result = db_query($link, "SELECT id
2346                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
2347                                 } else {
2348                                         $tmp_result = db_query($link, "SELECT id
2349                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
2350                                                         WHERE id = '$feed') AND id != '$feed'");
2351                                 }
2352
2353                                 $cat_siblings = array();
2354
2355                                 if (db_num_rows($tmp_result) > 0) {
2356                                         while ($p = db_fetch_assoc($tmp_result)) {
2357                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
2358                                         }
2359
2360                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2361                                                 $feed, implode(" OR ", $cat_siblings));
2362
2363                                 } else {
2364                                         $query_strategy_part = "ttrss_entries.id > 0";
2365                                 }
2366
2367                         } else if ($feed >= 0) {
2368
2369                                 if ($cat_view) {
2370
2371                                         if ($feed > 0) {
2372                                                 $query_strategy_part = "cat_id = '$feed'";
2373                                         } else {
2374                                                 $query_strategy_part = "cat_id IS NULL";
2375                                         }
2376
2377                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2378
2379                                 } else {
2380                                         $tmp_result = db_query($link, "SELECT id
2381                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2382                                                 ORDER BY cat_id,title");
2383
2384                                         $parent_ids = array();
2385
2386                                         if (db_num_rows($tmp_result) > 0) {
2387                                                 while ($p = db_fetch_assoc($tmp_result)) {
2388                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2389                                                 }
2390
2391                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2392                                                         $feed, implode(" OR ", $parent_ids));
2393
2394                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2395                                         } else {
2396                                                 $query_strategy_part = "feed_id = '$feed'";
2397                                         }
2398                                 }
2399                         } else if ($feed == -1) { // starred virtual feed
2400                                 $query_strategy_part = "marked = true";
2401                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2402                         } else if ($feed <= -10) { // labels
2403                                 $label_id = -$feed - 11;
2404
2405                                 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
2406                                         WHERE id = '$label_id'");
2407
2408                                 $query_strategy_part = db_fetch_result($tmp_result, 0, "sql_exp");
2409
2410                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2411                         } else {
2412                                 $query_strategy_part = "id > 0"; // dumb
2413                         }
2414
2415                         if (get_pref($link, 'REVERSE_HEADLINES')) {
2416                                 $order_by = "updated";
2417                         } else {
2418                                 $order_by = "updated DESC";
2419                         }
2420
2421                         if ($override_order) {
2422                                 $order_by = $override_order;
2423                         }
2424
2425                         $feed_title = "";
2426
2427                         if ($search && $search_mode == "all_feeds") {
2428                                 $feed_title = __("Global search results")." ($search)";
2429                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2430                                 $feed_title = __("Tag search results")." ($search, $feed)";
2431                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2432                                 $feed_title = $feed;
2433                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
2434
2435                                 if ($cat_view) {
2436
2437                                         if ($feed != 0) {
2438                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
2439                                                         WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2440                                                 $feed_title = db_fetch_result($result, 0, "title");
2441                                         } else {
2442                                                 $feed_title = __("Uncategorized");
2443                                         }
2444
2445                                         if ($search) {
2446                                                 $feed_title = __("Category search results")." ($search, $feed_title)";
2447                                         }
2448
2449                                 } else {
2450
2451                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
2452                                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
2453
2454                                         $feed_title = db_fetch_result($result, 0, "title");
2455                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
2456                                         $last_error = db_fetch_result($result, 0, "last_error");
2457
2458                                         if ($search) {
2459                                                 $feed_title = __("Feed search results") . " ($search, $feed_title)";
2460                                         }
2461                                 }
2462
2463                         } else if ($feed == -1) {
2464                                 $feed_title = __("Starred articles");
2465                         } else if ($feed < -10) {
2466                                 $label_id = -$feed - 11;
2467                                 $result = db_query($link, "SELECT description FROM ttrss_labels
2468                                         WHERE id = '$label_id'");
2469                                 $feed_title = db_fetch_result($result, 0, "description");
2470
2471                                 if ($search) {
2472                                         $feed_title = __("Label search results") . " ($search, $feed_title)";
2473                                 }
2474                         } else {
2475                                 $feed_title = "?";
2476                         }
2477
2478                         $feed_title = db_unescape_string($feed_title);
2479
2480                         if ($feed < -10) error_reporting (0);
2481
2482                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2483
2484                                 if ($feed >= 0) {
2485                                         $feed_kind = "Feeds";
2486                                 } else {
2487                                         $feed_kind = "Labels";
2488                                 }
2489
2490                                 $content_query_part = "content as content_preview,";
2491
2492                                 if ($limit_query_part) {
2493                                         $offset_query_part = "OFFSET $offset";
2494                                 }
2495
2496                                 $query = "SELECT
2497                                                 guid,
2498                                                 ttrss_entries.id,ttrss_entries.title,
2499                                                 SUBSTRING(updated,1,16) as updated,
2500                                                 unread,feed_id,marked,link,last_read,
2501                                                 SUBSTRING(last_read,1,19) as last_read_noms,
2502                                                 $vfeed_query_part
2503                                                 $content_query_part
2504                                                 SUBSTRING(updated,1,19) as updated_noms,
2505                                                 author
2506                                         FROM
2507                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds
2508                                         WHERE
2509                                         ttrss_feeds.hidden = false AND
2510                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
2511                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2512                                         ttrss_user_entries.owner_uid = '".$_SESSION["uid"]."' AND
2513                                         $search_query_part
2514                                         $view_query_part
2515                                         $query_strategy_part ORDER BY $order_by
2516                                         $limit_query_part $offset_query_part";
2517
2518                                 $result = db_query($link, $query);
2519
2520                                 if ($_GET["debug"]) print $query;
2521
2522                         } else {
2523                                 // browsing by tag
2524
2525                                 $feed_kind = "Tags";
2526
2527                                 $result = db_query($link, "SELECT
2528                                         guid,
2529                                         ttrss_entries.id as id,title,
2530                                         SUBSTRING(updated,1,16) as updated,
2531                                         unread,feed_id,
2532                                         marked,link,last_read,
2533                                         SUBSTRING(last_read,1,19) as last_read_noms,
2534                                         $vfeed_query_part
2535                                         $content_query_part
2536                                         SUBSTRING(updated,1,19) as updated_noms
2537                                         FROM
2538                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
2539                                         WHERE
2540                                                 ref_id = ttrss_entries.id AND
2541                                                 ttrss_user_entries.owner_uid = '".$_SESSION["uid"]."' AND
2542                                                 post_int_id = int_id AND tag_name = '$feed' AND
2543                                                 $view_query_part
2544                                                 $search_query_part
2545                                                 $query_strategy_part ORDER BY $order_by
2546                                         $limit_query_part");
2547                         }
2548
2549                         return array($result, $feed_title, $feed_site_url, $last_error);
2550
2551         }
2552
2553         function generate_syndicated_feed($link, $feed, $is_cat,
2554                 $search, $search_mode, $match_on) {
2555
2556                 $qfh_ret = queryFeedHeadlines($link, $feed,
2557                                 30, false, $is_cat, $search, $search_mode, $match_on, "updated DESC");
2558
2559                 $result = $qfh_ret[0];
2560                 $feed_title = htmlspecialchars($qfh_ret[1]);
2561                 $feed_site_url = $qfh_ret[2];
2562                 $last_error = $qfh_ret[3];
2563
2564                 print "<rss version=\"2.0\">
2565                         <channel>
2566                         <title>$feed_title</title>
2567                         <link>$feed_site_url</link>
2568                         <generator>Tiny Tiny RSS v".VERSION."</generator>";
2569
2570                 while ($line = db_fetch_assoc($result)) {
2571                         print "<item>";
2572                         print "<id>" . htmlspecialchars($line["guid"]) . "</id>";
2573                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
2574
2575                         $rfc822_date = date('r', strtotime($line["updated"]));
2576
2577                         print "<pubDate>$rfc822_date</pubDate>";
2578
2579                         print "<title>" .
2580                                 htmlspecialchars($line["title"]) . "</title>";
2581
2582                         print "<description>" .
2583                                 htmlspecialchars($line["content_preview"]) . "</description>";
2584
2585                         print "</item>";
2586                 }
2587
2588                 print "</channel></rss>";
2589
2590         }
2591
2592         function getCategoryTitle($link, $cat_id) {
2593
2594                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
2595                         id = '$cat_id'");
2596
2597                 if (db_num_rows($result) == 1) {
2598                         return db_fetch_result($result, 0, "title");
2599                 } else {
2600                         return "Uncategorized";
2601                 }
2602         }
2603
2604         function sanitize_rss($str) {
2605                 $res = $str;
2606
2607                 $res = preg_replace('/<script.*?>/i',
2608                         "<p class=\"scriptWarn\">Disabled script: ", $res);
2609
2610                 $res = preg_replace('/<\/script.*?>/i', "</p>", $res);
2611
2612 /*              $res = preg_replace('/<embed.*?>/i', "", $res);
2613
2614                 $res = preg_replace('/<object.*?>.*?<\/object>/i',
2615                         "<p class=\"objectWarn\">(Disabled html object
2616                         - flash or other embedded content)</p>", $res);  */
2617
2618                 return $res;
2619         }
2620
2621         function send_headlines_digests($link, $limit = 100) {
2622
2623                 if (!DIGEST_ENABLE) return false;
2624
2625                 $user_limit = DIGEST_EMAIL_LIMIT;
2626                 $days = 1;
2627
2628                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
2629
2630                 if (DB_TYPE == "pgsql") {
2631                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
2632                 } else if (DB_TYPE == "mysql") {
2633                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
2634                 }
2635
2636                 $result = db_query($link, "SELECT id,email FROM ttrss_users
2637                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
2638
2639                 while ($line = db_fetch_assoc($result)) {
2640                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
2641                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
2642
2643                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
2644                                 $digest = $tuple[0];
2645                                 $headlines_count = $tuple[1];
2646
2647                                 if ($headlines_count > 0) {
2648                                         $rc = mail($line["login"] . " <" . $line["email"] . ">",
2649                                                 "[tt-rss] New headlines for last 24 hours", $digest,
2650                                                 "From: " . MAIL_FROM . "\n".
2651                                                 "Content-Type: text/plain; charset=\"utf-8\"\n".
2652                                                 "Content-Transfer-Encoding: 8bit\n");
2653                                         print "RC=$rc\n";
2654                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
2655                                                         WHERE id = " . $line["id"]);
2656                                 } else {
2657                                         print "No headlines\n";
2658                                 }
2659                         }
2660                 }
2661
2662 //              $digest = prepare_headlines_digest($link, $user_id, $days, $limit);
2663
2664         }
2665
2666         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
2667                 $tmp =  __("New headlines for last 24 hours, as of ") . date("Y/m/d H:m") . "\n";
2668                 $tmp .= "=======================================================\n\n";
2669
2670                 if (DB_TYPE == "pgsql") {
2671                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
2672                 } else if (DB_TYPE == "mysql") {
2673                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
2674                 }
2675
2676                 $result = db_query($link, "SELECT ttrss_entries.title,
2677                                 ttrss_feeds.title AS feed_title,
2678                                 date_entered,
2679                                 link,
2680                                 SUBSTRING(last_updated,1,19) AS last_updated
2681                         FROM
2682                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
2683                         WHERE
2684                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
2685                                 AND include_in_digest = true
2686                                 AND $interval_query
2687                                 AND ttrss_user_entries.owner_uid = $user_id
2688                                 AND unread = true ORDER BY ttrss_feeds.title, date_entered DESC
2689                         LIMIT $limit");
2690
2691                 $cur_feed_title = "";
2692
2693                 $headlines_count = db_num_rows($result);
2694
2695                 while ($line = db_fetch_assoc($result)) {
2696                         $updated = smart_date_time(strtotime($line["last_updated"]));
2697                         $feed_title = $line["feed_title"];
2698
2699                         if ($cur_feed_title != $feed_title) {
2700                                 $cur_feed_title = $feed_title;
2701
2702                                 $tmp .= "$feed_title\n\n";
2703                         }
2704
2705                         $tmp .= " * " . trim($line["title"]) . " - $updated\n";
2706                         $tmp .= "   " . trim($line["link"]) . "\n";
2707                         $tmp .= "\n";
2708                 }
2709
2710                 $tmp .= "--- \n";
2711                 $tmp .= __("You have been sent this email because you have enabled daily digests in Tiny Tiny RSS at ") .
2712                         DIGEST_HOSTNAME . "\n".
2713                         __("To unsubscribe, visit your configuration options or contact instance owner.\n");
2714
2715
2716                 return array($tmp, $headlines_count);
2717         }
2718
2719         function check_for_update($link, $brief_fmt = true) {
2720                 $releases_feed = "http://tt-rss.spb.ru/releases.rss";
2721
2722                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
2723                         return;
2724                 }
2725
2726                 error_reporting(0);
2727                 $rss = fetch_rss($releases_feed);
2728                 error_reporting (DEFAULT_ERROR_LEVEL);
2729
2730                 if ($rss) {
2731
2732                         $items = $rss->items;
2733
2734                         if (!$items || !is_array($items)) $items = $rss->entries;
2735                         if (!$items || !is_array($items)) $items = $rss;
2736
2737                         if (!is_array($items) || count($items) == 0) {
2738                                 return;
2739                         }
2740
2741                         $latest_item = $items[0];
2742
2743                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $latest_item["title"]));
2744
2745                         $release_url = sanitize_rss($latest_item["link"]);
2746                         $content = sanitize_rss($latest_item["description"]);
2747
2748                         if (version_compare(VERSION, $latest_version) == -1) {
2749                                 if ($brief_fmt) {
2750                                         return format_notice("<a href=\"javascript:showBlockElement('milestoneDetails')\">
2751                                                 New version of Tiny-Tiny RSS ($latest_version) is available (click for details)</a>
2752                                                 <div id=\"milestoneDetails\">$content</div>");
2753                                 } else {
2754                                         return "New version of Tiny-Tiny RSS ($latest_version) is available:
2755                                                 <div class='milestoneDetails'>$content</div>
2756                                                 Visit <a target=\"_new\" href=\"http://tt-rss.spb.ru/\">official site</a> for
2757                                                 download and update information.";
2758                                 }
2759
2760                         }
2761                 }
2762         }
2763
2764         function markArticlesById($link, $ids, $cmode) {
2765
2766                 $tmp_ids = array();
2767
2768                 foreach ($ids as $id) {
2769                         array_push($tmp_ids, "ref_id = '$id'");
2770                 }
2771
2772                 $ids_qpart = join(" OR ", $tmp_ids);
2773
2774                 if ($cmode == 0) {
2775                         db_query($link, "UPDATE ttrss_user_entries SET
2776                         marked = false,last_read = NOW()
2777                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2778                 } else if ($cmode == 1) {
2779                         db_query($link, "UPDATE ttrss_user_entries SET
2780                         marked = true
2781                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2782                 } else {
2783                         db_query($link, "UPDATE ttrss_user_entries SET
2784                         marked = NOT marked,last_read = NOW()
2785                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2786                 }
2787         }
2788
2789         function catchupArticlesById($link, $ids, $cmode) {
2790
2791                 $tmp_ids = array();
2792
2793                 foreach ($ids as $id) {
2794                         array_push($tmp_ids, "ref_id = '$id'");
2795                 }
2796
2797                 $ids_qpart = join(" OR ", $tmp_ids);
2798
2799                 if ($cmode == 0) {
2800                         db_query($link, "UPDATE ttrss_user_entries SET
2801                         unread = false,last_read = NOW()
2802                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2803                 } else if ($cmode == 1) {
2804                         db_query($link, "UPDATE ttrss_user_entries SET
2805                         unread = true
2806                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2807                 } else {
2808                         db_query($link, "UPDATE ttrss_user_entries SET
2809                         unread = NOT unread,last_read = NOW()
2810                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
2811                 }
2812         }
2813
2814         function catchupArticleById($link, $id, $cmode) {
2815
2816                 if ($cmode == 0) {
2817                         db_query($link, "UPDATE ttrss_user_entries SET
2818                         unread = false,last_read = NOW()
2819                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
2820                 } else if ($cmode == 1) {
2821                         db_query($link, "UPDATE ttrss_user_entries SET
2822                         unread = true
2823                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
2824                 } else {
2825                         db_query($link, "UPDATE ttrss_user_entries SET
2826                         unread = NOT unread,last_read = NOW()
2827                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
2828                 }
2829         }
2830
2831         function escape_for_form($s) {
2832                 return htmlspecialchars(db_unescape_string($s));
2833         }
2834
2835         function make_guid_from_title($title) {
2836                 return preg_replace("/[ \"\',.:;]/", "-",
2837                         mb_strtolower(strip_tags($title)));
2838         }
2839
2840         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
2841                         $bottom = false, $rtl_content = false, $feed_id = 0,
2842                         $is_cat = false, $search = false, $match_on = false,
2843                         $search_mode = false, $offset = 0, $limit = 0) {
2844
2845                         $user_page_offset = $offset + 1;
2846
2847                         if (!$bottom) {
2848                                 $class = "headlinesSubToolbar";
2849                                 $tid = "headlineActionsTop";
2850                         } else {
2851                                 $class = "headlinesSubToolbar";
2852                                 $tid = "headlineActionsBottom";
2853                         }
2854
2855                         print "<table class=\"$class\" id=\"$tid\"
2856                                 width=\"100%\" cellspacing=\"0\" cellpadding=\"0\"><tr>";
2857
2858                         if ($rtl_content) {
2859                                 $rtl_cpart = "RTL";
2860                         } else {
2861                                 $rtl_cpart = "";
2862                         }
2863
2864                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
2865                         $page_next_link = "javascript:viewFeedGoPage(1)";
2866                         $page_first_link = "javascript:viewFeedGoPage(0)";
2867
2868                         $catchup_page_link = "javascript:catchupPage()";
2869                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
2870
2871                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
2872
2873                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
2874                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
2875                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
2876
2877                                 $tog_unread_link = "javascript:selectionToggleUnread()";
2878                                 $tog_marked_link = "javascript:selectionToggleMarked()";
2879
2880                         } else {
2881
2882                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
2883                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
2884                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
2885
2886                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
2887                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
2888
2889                         }
2890
2891                         if (!strstr($_SESSION["client.userAgent"], "MSIE")) {
2892
2893                                 print "<td class=\"headlineActions$rtl_cpart\">
2894                                         <ul class=\"headlineDropdownMenu\">
2895                                         <li class=\"top2\">
2896                                         ".__('Select:')."
2897                                                 <a href=\"$sel_all_link\">".__('All')."</a>,
2898                                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
2899                                                 <a href=\"$sel_none_link\">".__('None')."</a></li>
2900                                         <li class=\"vsep\">&nbsp;</li>
2901                                         <li class=\"top\">Toggle<ul>
2902                                                 <li onclick=\"$tog_unread_link\">".__('Unread')."</li>
2903                                                 <li onclick=\"$tog_marked_link\">".__('Starred')."</li></ul></li>
2904                                         <li class=\"vsep\">&nbsp;</li>
2905                                         <li class=\"top\"><a href=\"$catchup_page_link\">".__('Mark as read')."</a><ul>
2906                                                 <li onclick=\"$catchup_page_link\">".__('This page')."</li>
2907                                                 <li onclick=\"$catchup_feed_link\">".__('Entire feed')."</li></ul></li>
2908                                         <li class=\"vsep\">&nbsp;</li>";
2909
2910                                         if ($limit != 0) {
2911                                                 print "
2912                                                 <li class=\"top\"><a href=\"$page_next_link\">".__('Next page')."</a><ul>
2913                                                         <li onclick=\"$page_prev_link\">".__('Previous page')."</li>
2914                                                         <li onclick=\"$page_first_link\">".__('First page')."</li></ul></li>
2915                                                         </ul>";
2916                                         }
2917
2918                                         print "
2919                                         </td>";
2920
2921                         } else {
2922                         // old style subtoolbar:
2923
2924                                 print "<td class=\"headlineActions$rtl_cpart\">".
2925                                         __('Select:')."
2926                                                                 <a href=\"$sel_all_link\">".__('All')."</a>,
2927                                                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
2928                                                                 <a href=\"$sel_none_link\">".__('None')."</a>
2929                                                 &nbsp;&nbsp;".
2930                                                 __('Toggle:')." <a href=\"$tog_unread_link\">".__('Unread')."</a>,
2931                                                         <a href=\"$tog_marked_link\">".__('Starred')."</a>
2932                                                 &nbsp;&nbsp;".
2933                                                 __('Mark as read:')."
2934                                                         <a href=\"#\" onclick=\"$catchup_page_link\">".__('Page')."</a>,
2935                                                         <a href=\"#\" onclick=\"$catchup_feed_link\">".__('Feed')."</a>";
2936                                 print "</td>";
2937
2938                         }
2939
2940                         if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
2941                                 print "<td class=\"headlineActions$rtl_cpart\">
2942                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
2943                                                         '$match_on', '$feed_id', '$is_cat');\">
2944                                                 ".__('Convert to Label')."</a></td>";
2945                         }
2946
2947                         print "<td class=\"headlineTitle$rtl_cpart\">";
2948
2949                         if ($feed_site_url) {
2950                                 if (!$bottom) {
2951                                         $target = "target=\"_blank\"";
2952                                 }
2953                                 print "<a $target href=\"$feed_site_url\">$feed_title</a>";
2954                         } else {
2955                                 print $feed_title;
2956                         }
2957
2958                         if ($search) {
2959                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
2960                         }
2961
2962                         if ($user_page_offset > 1) {
2963                                 print " [$user_page_offset] ";
2964                         }
2965
2966                         if (!$bottom) {
2967                                 print "
2968                                         <a target=\"_new\"
2969                                                 href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
2970                                                 <img class=\"noborder\"
2971                                                         alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
2972                                         </a>";
2973                         }
2974
2975                         print "</td>";
2976                         print "</tr></table>";
2977
2978                 }
2979
2980         function outputFeedList($link, $tags = false) {
2981
2982                 print "<ul class=\"feedList\" id=\"feedList\">";
2983
2984                 $owner_uid = $_SESSION["uid"];
2985
2986                 /* virtual feeds */
2987
2988                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
2989                         print "<li class=\"feedCat\">".__('Special')."</li>";
2990                         print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\">";
2991                 }
2992
2993                 $num_starred = getFeedUnread($link, -1);
2994
2995                 $class = "virt";
2996
2997                 if ($num_starred > 0) $class .= "Unread";
2998
2999                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
3000                         "images/mark_set.png", $link);
3001
3002                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
3003                         print "</ul>";
3004                 }
3005
3006                 if (!$tags) {
3007
3008                         if (GLOBAL_ENABLE_LABELS && get_pref($link, 'ENABLE_LABELS')) {
3009
3010                                 $result = db_query($link, "SELECT id,sql_exp,description FROM
3011                                         ttrss_labels WHERE owner_uid = '$owner_uid' ORDER by description");
3012
3013                                 if (db_num_rows($result) > 0) {
3014                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3015                                                 print "<li class=\"feedCat\">".__('Labels')."</li>";
3016                                                 print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\">";
3017                                         } else {
3018                                                 print "<li><hr></li>";
3019                                         }
3020                                 }
3021
3022                                 while ($line = db_fetch_assoc($result)) {
3023
3024                                         error_reporting (0);
3025
3026                                         $label_id = -$line['id'] - 11;
3027                                         $count = getFeedUnread($link, $label_id);
3028
3029                                         $class = "label";
3030
3031                                         if ($count > 0) {
3032                                                 $class .= "Unread";
3033                                         }
3034
3035                                         error_reporting (DEFAULT_ERROR_LEVEL);
3036
3037                                         printFeedEntry($label_id,
3038                                                 $class, db_unescape_string($line["description"]),
3039                                                 $count, "images/label.png", $link);
3040
3041                                 }
3042
3043                                 if (db_num_rows($result) > 0) {
3044                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3045                                                 print "</ul>";
3046                                         }
3047                                 }
3048
3049                         }
3050
3051                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
3052                                 print "<li><hr></li>";
3053                         }
3054
3055                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3056                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
3057                                         $order_by_qpart = "category,unread DESC,title";
3058                                 } else {
3059                                         $order_by_qpart = "category,title";
3060                                 }
3061                         } else {
3062                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
3063                                         $order_by_qpart = "unread DESC,title";
3064                                 } else {
3065                                         $order_by_qpart = "title";
3066                                 }
3067                         }
3068
3069                         $result = db_query($link, "SELECT ttrss_feeds.*,
3070                                 SUBSTRING(last_updated,1,19) AS last_updated_noms,
3071                                 (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
3072                                         WHERE feed_id = ttrss_feeds.id AND unread = true
3073                                                 AND ttrss_user_entries.ref_id = ttrss_entries.id
3074                                                 AND owner_uid = '$owner_uid') as unread,
3075                                 cat_id,last_error,
3076                                 ttrss_feed_categories.title AS category,
3077                                 ttrss_feed_categories.collapsed
3078                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
3079                                         ON (ttrss_feed_categories.id = cat_id)
3080                                 WHERE
3081                                         ttrss_feeds.hidden = false AND
3082                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
3083                                 ORDER BY $order_by_qpart");
3084
3085                         $actid = $_GET["actid"];
3086
3087                         /* real feeds */
3088
3089                         $lnum = 0;
3090
3091                         $total_unread = 0;
3092
3093                         $category = "";
3094
3095                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
3096
3097                         while ($line = db_fetch_assoc($result)) {
3098
3099                                 $feed = db_unescape_string($line["title"]);
3100                                 $feed_id = $line["id"];
3101
3102                                 $subop = $_GET["subop"];
3103
3104                                 $unread = $line["unread"];
3105
3106                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
3107                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
3108                                 } else {
3109                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
3110                                 }
3111
3112                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
3113
3114                                 if ($rtl_content) {
3115                                         $rtl_tag = "dir=\"RTL\"";
3116                                 } else {
3117                                         $rtl_tag = "";
3118                                 }
3119
3120                                 $tmp_result = db_query($link,
3121                                         "SELECT id,COUNT(unread) AS unread
3122                                         FROM ttrss_feeds LEFT JOIN ttrss_user_entries
3123                                                 ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
3124                                         WHERE parent_feed = '$feed_id' AND unread = true
3125                                         GROUP BY ttrss_feeds.id");
3126
3127                                 if (db_num_rows($tmp_result) > 0) {
3128                                         while ($l = db_fetch_assoc($tmp_result)) {
3129                                                 $unread += $l["unread"];
3130                                         }
3131                                 }
3132
3133                                 $cat_id = $line["cat_id"];
3134
3135                                 $tmp_category = $line["category"];
3136
3137                                 if (!$tmp_category) {
3138                                         $tmp_category = __("Uncategorized");
3139                                 }
3140
3141         //                      $class = ($lnum % 2) ? "even" : "odd";
3142
3143                                 if ($line["last_error"]) {
3144                                         $class = "error";
3145                                 } else {
3146                                         $class = "feed";
3147                                 }
3148
3149                                 if ($unread > 0) $class .= "Unread";
3150
3151                                 if ($actid == $feed_id) {
3152                                         $class .= "Selected";
3153                                 }
3154
3155                                 $total_unread += $unread;
3156
3157                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
3158
3159                                         if ($category) {
3160                                                 print "</ul></li>";
3161                                         }
3162
3163                                         $category = $tmp_category;
3164
3165                                         $collapsed = $line["collapsed"];
3166
3167                                         // workaround for NULL category
3168                                         if ($category == __("Uncategorized")) {
3169                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
3170                                                         $collapsed = "t";
3171                                                 }
3172                                         }
3173
3174                                         if ($collapsed == "t" || $collapsed == "1") {
3175                                                 $holder_class = "invisible";
3176                                                 $ellipsis = "...";
3177                                         } else {
3178                                                 $holder_class = "feedCatHolder";
3179                                                 $ellipsis = "";
3180                                         }
3181
3182                                         $cat_id = sprintf("%d", $cat_id);
3183
3184                                         $cat_unread = getCategoryUnread($link, $cat_id);
3185
3186                                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3187
3188                                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
3189                                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>
3190                                                         <a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">
3191                                                         <span id=\"FCATCTR-$cat_id\" title=\"Click to browse category\"
3192                                                         class=\"$catctr_class\">($cat_unread)</span> $ellipsis
3193                                                         </a></li>";
3194
3195                                         // !!! NO SPACE before <ul...feedCatList - breaks firstChild DOM function
3196                                         // -> keyboard navigation, etc.
3197                                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\">";
3198                                 }
3199
3200                                 printFeedEntry($feed_id, $class, $feed, $unread,
3201                                         ICONS_DIR."/$feed_id.ico", $link, $rtl_content,
3202                                         $last_updated, $line["last_error"]);
3203
3204                                 ++$lnum;
3205                         }
3206
3207                         if (db_num_rows($result) == 0) {
3208                                 print "<li>".__('No feeds to display.')."</li>";
3209                         }
3210
3211                 } else {
3212
3213                         // tags
3214
3215 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
3216                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
3217                                 post_int_id = ttrss_user_entries.int_id AND
3218                                 unread = true AND ref_id = ttrss_entries.id
3219                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
3220                         UNION
3221                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
3222                         ORDER BY tag_name"); */
3223
3224                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3225                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
3226                                 print "<li id=\"feedCatHolder\"><ul class=\"feedCatList\">";
3227                         }
3228
3229                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
3230                                 FROM ttrss_user_entries WHERE int_id = post_int_id
3231                                         AND unread = true)) AS count FROM ttrss_tags
3232                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name ORDER BY tag_name");
3233
3234                         $tags = array();
3235
3236                         while ($line = db_fetch_assoc($result)) {
3237                                 $tags[$line["tag_name"]] += $line["count"];
3238                         }
3239
3240                         foreach (array_keys($tags) as $tag) {
3241
3242                                 $unread = $tags[$tag];
3243
3244                                 $class = "tag";
3245
3246                                 if ($unread > 0) {
3247                                         $class .= "Unread";
3248                                 }
3249
3250                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
3251
3252                         }
3253
3254                         if (db_num_rows($result) == 0) {
3255                                 print "<li>No tags to display.</li>";
3256                         }
3257
3258                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3259                                 print "</ul>";
3260                         }
3261
3262                 }
3263
3264                 print "</ul>";
3265
3266         }
3267
3268         function get_article_tags($link, $id) {
3269
3270                 $a_id = db_escape_string($id);
3271
3272                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name FROM
3273                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
3274                                 ref_id = '$a_id' AND owner_uid = '".$_SESSION["uid"]."' LIMIT 1) ORDER BY tag_name");
3275
3276                 $tags = array();
3277
3278                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
3279                         array_push($tags, $tmp_line["tag_name"]);
3280                 }
3281
3282                 return $tags;
3283         }
3284
3285         function trim_value(&$value) {
3286                 $value = trim($value);
3287         }
3288
3289         function trim_array($array) {
3290                 $tmp = $array;
3291                 array_walk($tmp, 'trim_value');
3292                 return $tmp;
3293         }
3294
3295         function tag_is_valid($tag) {
3296                 if ($tag == '') return false;
3297                 if (preg_match("/^[0-9]*$/", $tag)) return false;
3298
3299                 $tag = iconv("utf-8", "utf-8", $tag);
3300                 if (!$tag) return false;
3301
3302                 return true;
3303         }
3304
3305         function render_login_form($link, $mobile = false) {
3306                 if (!$mobile) {
3307                         require_once "login_form.php";
3308                 } else {
3309                         require_once "mobile/login_form.php";
3310                 }
3311         }
3312
3313         // from http://developer.apple.com/internet/safari/faq.html
3314         function no_cache_incantation() {
3315                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
3316                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
3317                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
3318                 header("Cache-Control: post-check=0, pre-check=0", false);
3319                 header("Pragma: no-cache"); // HTTP/1.0
3320         }
3321
3322         function format_warning($msg, $id = "") {
3323                 return "<div class=\"warning\" id=\"$id\">
3324                         <img src=\"images/sign_excl.png\">$msg</div>";
3325         }
3326
3327         function format_notice($msg) {
3328                 return "<div class=\"notice\">
3329                         <img src=\"images/sign_info.png\">$msg</div>";
3330         }
3331
3332         function format_error($msg) {
3333                 return "<div class=\"error\">
3334                         <img src=\"images/sign_excl.png\">$msg</div>";
3335         }
3336
3337         function print_notice($msg) {
3338                 return print format_notice($msg);
3339         }
3340
3341         function print_warning($msg) {
3342                 return print format_warning($msg);
3343         }
3344
3345         function print_error($msg) {
3346                 return print format_error($msg);
3347         }
3348
3349
3350         function T_sprintf() {
3351                 $args = func_get_args();
3352                 return vsprintf(__(array_shift($args)), $args);
3353         }
3354
3355 ?>