functions.php

   1 <?php
   2
   3 /*      if ($_GET["debug"]) {
   4                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   5         } else {
   6                 define('DEFAULT_ERROR_LEVEL', E_ERROR | E_WARNING | E_PARSE);
   7         } */
   8
   9         require_once 'config.php';
  10
  11         function get_translations() {
  12                 $tr = array(
  13                                         "auto"  => "Detect automatically",
  14                                         "en_US" => "English",
  15                                         "fr_FR" => "Français",
  16                                         "ru_RU" => "Русский",
  17                                         "zh_CN" => "Simplified Chinese");
  18
  19                 return $tr;
  20         }
  21
  22         if (ENABLE_TRANSLATIONS == true) {
  23                 require_once "accept-to-gettext.php";
  24                 require_once "gettext/gettext.inc";
  25
  26                 function startup_gettext() {
  27
  28                         # Get locale from Accept-Language header
  29                         $lang = al2gt(array_keys(get_translations()), "text/html");
  30
  31                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  32                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  33                         }
  34
  35                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  36                                 $lang = $_COOKIE["ttrss_lang"];
  37                         }
  38
  39                         if ($lang) {
  40                                 _setlocale(LC_MESSAGES, $lang);
  41                                 _bindtextdomain("messages", "locale");
  42                                 _textdomain("messages");
  43                                 _bind_textdomain_codeset("messages", "UTF-8");
  44                         }
  45                 }
  46
  47                 startup_gettext();
  48
  49         } else {
  50                 function __($msg) {
  51                         return $msg;
  52                 }
  53                 function startup_gettext() {
  54                         // no-op
  55                         return true;
  56                 }
  57         }
  58
  59         require_once 'db-prefs.php';
  60         require_once 'compat.php';
  61         require_once 'errors.php';
  62         require_once 'version.php';
  63
  64         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
  65         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
  66
  67         if (ENABLE_SIMPLEPIE) {
  68                 require_once "simplepie/simplepie.inc";
  69         } else {
  70                 require_once "magpierss/rss_fetch.inc";
  71                 require_once 'magpierss/rss_utils.inc';
  72         }
  73
  74         include_once "tw/tw-config.php";
  75         include_once "tw/tw.php";
  76         include_once TW_SETUP . "paranoya.php";
  77
  78         $tw_parser = new twParser();
  79
  80         function _debug($msg) {
  81                 $ts = strftime("%H:%M:%S", time());
  82                 print "[$ts] $msg\n";
  83         }
  84
  85         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
  86
  87                 $rows = -1;
  88
  89                 if (DB_TYPE == "pgsql") {
  90 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
  91                                 marked = false AND feed_id = '$feed_id' AND
  92                                 (SELECT date_entered FROM ttrss_entries WHERE
  93                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
  94
  95                         $pg_version = get_pgsql_version($link);
  96
  97                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
  98
  99                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 100                                         ttrss_entries.id = ref_id AND
 101                                         marked = false AND
 102                                         feed_id = '$feed_id' AND
 103                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 104
 105                         } else {
 106
 107                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 108                                         USING ttrss_entries
 109                                         WHERE ttrss_entries.id = ref_id AND
 110                                         marked = false AND
 111                                         feed_id = '$feed_id' AND
 112                                         ttrss_entries.date_entered < NOW() - INTERVAL '$purge_interval days'");
 113                         }
 114
 115                         $rows = pg_affected_rows($result);
 116
 117                 } else {
 118
 119 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 120                                 marked = false AND feed_id = '$feed_id' AND
 121                                 (SELECT date_entered FROM ttrss_entries WHERE
 122                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 123
 124                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 125                                 USING ttrss_user_entries, ttrss_entries
 126                                 WHERE ttrss_entries.id = ref_id AND
 127                                 marked = false AND
 128                                 feed_id = '$feed_id' AND
 129                                 ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 130
 131                         $rows = mysql_affected_rows($link);
 132
 133                 }
 134
 135                 if ($debug) {
 136                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 137                 }
 138         }
 139
 140         function global_purge_old_posts($link, $do_output = false, $limit = false) {
 141
 142                 $random_qpart = sql_random_function();
 143
 144                 if ($limit) {
 145                         $limit_qpart = "LIMIT $limit";
 146                 } else {
 147                         $limit_qpart = "";
 148                 }
 149
 150                 $result = db_query($link,
 151                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 152                                 ORDER BY $random_qpart $limit_qpart");
 153
 154                 while ($line = db_fetch_assoc($result)) {
 155
 156                         $feed_id = $line["id"];
 157                         $purge_interval = $line["purge_interval"];
 158                         $owner_uid = $line["owner_uid"];
 159
 160                         if ($purge_interval == 0) {
 161
 162                                 $tmp_result = db_query($link,
 163                                         "SELECT value FROM ttrss_user_prefs WHERE
 164                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 165
 166                                 if (db_num_rows($tmp_result) != 0) {
 167                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 168                                 }
 169                         }
 170
 171                         if ($do_output) {
 172 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 173                         }
 174
 175                         if ($purge_interval > 0) {
 176                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 177                         }
 178                 }
 179
 180                 // purge orphaned posts in main content table
 181                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 182                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 183
 184                 if ($do_output) {
 185                         $rows = db_affected_rows($link, $result);
 186                         _debug("Purged $rows orphaned posts.");
 187                 }
 188
 189         }
 190
 191         function purge_old_posts($link) {
 192
 193                 $user_id = $_SESSION["uid"];
 194
 195                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 196                         WHERE owner_uid = '$user_id'");
 197
 198                 while ($line = db_fetch_assoc($result)) {
 199
 200                         $feed_id = $line["id"];
 201                         $purge_interval = $line["purge_interval"];
 202
 203                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 204
 205                         if ($purge_interval > 0) {
 206                                 purge_feed($link, $feed_id, $purge_interval);
 207                         }
 208                 }
 209
 210                 // purge orphaned posts in main content table
 211                 db_query($link, "DELETE FROM ttrss_entries WHERE
 212                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 213         }
 214
 215         function get_feed_update_interval($link, $feed_id) {
 216                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 217                         ttrss_feeds WHERE id = '$feed_id'");
 218
 219                 if (db_num_rows($result) == 1) {
 220                         $update_interval = db_fetch_result($result, 0, "update_interval");
 221                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 222
 223                         if ($update_interval != 0) {
 224                                 return $update_interval;
 225                         } else {
 226                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 227                         }
 228
 229                 } else {
 230                         return -1;
 231                 }
 232         }
 233
 234         function update_all_feeds($link, $fetch, $user_id = false, $force_daemon = false) {
 235
 236                 if (WEB_DEMO_MODE) return;
 237
 238                 if (!$user_id) {
 239                         $user_id = $_SESSION["uid"];
 240                         purge_old_posts($link);
 241                 }
 242
 243 //              db_query($link, "BEGIN");
 244
 245                 if (MAX_UPDATE_TIME > 0) {
 246                         if (DB_TYPE == "mysql") {
 247                                 $q_order = "RAND()";
 248                         } else {
 249                                 $q_order = "RANDOM()";
 250                         }
 251                 } else {
 252                         $q_order = "last_updated DESC";
 253                 }
 254
 255                 $result = db_query($link, "SELECT feed_url,id,
 256                         SUBSTRING(last_updated,1,19) AS last_updated,
 257                         update_interval FROM ttrss_feeds WHERE owner_uid = '$user_id'
 258                         ORDER BY $q_order");
 259
 260                 $upd_start = time();
 261
 262                 while ($line = db_fetch_assoc($result)) {
 263                         $upd_intl = $line["update_interval"];
 264
 265                         if (!$upd_intl || $upd_intl == 0) {
 266                                 $upd_intl = get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $user_id, false);
 267                         }
 268
 269                         if ($upd_intl < 0) {
 270                                 // Updates for this feed are disabled
 271                                 continue;
 272                         }
 273
 274                         if ($fetch || (!$line["last_updated"] ||
 275                                 time() - strtotime($line["last_updated"]) > ($upd_intl * 60))) {
 276
 277 //                              print "<!-- feed: ".$line["feed_url"]." -->";
 278
 279                                 update_rss_feed($link, $line["feed_url"], $line["id"], $force_daemon);
 280
 281                                 $upd_elapsed = time() - $upd_start;
 282
 283                                 if (MAX_UPDATE_TIME > 0 && $upd_elapsed > MAX_UPDATE_TIME) {
 284                                         return;
 285                                 }
 286                         }
 287                 }
 288
 289 //              db_query($link, "COMMIT");
 290
 291         }
 292
 293         function fetch_file_contents($url) {
 294                 if (USE_CURL_FOR_ICONS) {
 295                         $tmpfile = tempnam(TMP_DIRECTORY, "ttrss-tmp");
 296
 297                         $ch = curl_init($url);
 298                         $fp = fopen($tmpfile, "w");
 299
 300                         if ($fp) {
 301                                 curl_setopt($ch, CURLOPT_FILE, $fp);
 302                                 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 303                                 curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 304                                 curl_exec($ch);
 305                                 curl_close($ch);
 306                                 fclose($fp);
 307                         }
 308
 309                         $contents =  file_get_contents($tmpfile);
 310                         unlink($tmpfile);
 311
 312                         return $contents;
 313
 314                 } else {
 315                         return file_get_contents($url);
 316                 }
 317
 318         }
 319
 320         // adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 321         // http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 322
 323         function get_favicon_url($url) {
 324
 325                 if ($html = @fetch_file_contents($url)) {
 326
 327                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 328                                 // Attempt to grab a favicon link from their webpage url
 329                                 $linkUrl = html_entity_decode($matches[1]);
 330
 331                                 if (substr($linkUrl, 0, 1) == '/') {
 332                                         $urlParts = parse_url($url);
 333                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 334                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 335                                         $faviconURL = $linkUrl;
 336                                 } else if (substr($url, -1, 1) == '/') {
 337                                         $faviconURL = $url.$linkUrl;
 338                                 } else {
 339                                         $faviconURL = $url.'/'.$linkUrl;
 340                                 }
 341
 342                         } else {
 343                                 // If unsuccessful, attempt to "guess" the favicon location
 344                                 $urlParts = parse_url($url);
 345                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 346                         }
 347                 }
 348
 349                 // Run a test to see if what we have attempted to get actually exists.
 350                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 351                         return $faviconURL;
 352                 } else {
 353                         return false;
 354                 }
 355         }
 356
 357         function url_validate($link) {
 358
 359                 $url_parts = @parse_url($link);
 360
 361                 if ( empty( $url_parts["host"] ) )
 362                                 return false;
 363
 364                 if ( !empty( $url_parts["path"] ) ) {
 365                                 $documentpath = $url_parts["path"];
 366                 } else {
 367                                 $documentpath = "/";
 368                 }
 369
 370                 if ( !empty( $url_parts["query"] ) )
 371                                 $documentpath .= "?" . $url_parts["query"];
 372
 373                 $host = $url_parts["host"];
 374                 $port = $url_parts["port"];
 375
 376                 if ( empty($port) )
 377                                 $port = "80";
 378
 379                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 380
 381                 if ( !$socket )
 382                                 return false;
 383
 384                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 385
 386                 $http_response = fgets( $socket, 22 );
 387
 388                 $responses = "/(200 OK)|(30[0-9] Moved)/";
 389                 if ( preg_match($responses, $http_response) ) {
 390                                 fclose($socket);
 391                                 return true;
 392                 } else {
 393                                 return false;
 394                 }
 395
 396         }
 397
 398         function check_feed_favicon($site_url, $feed, $link) {
 399                 $favicon_url = get_favicon_url($site_url);
 400
 401 #               print "FAVICON [$site_url]: $favicon_url\n";
 402
 403                 error_reporting(0);
 404
 405                 $icon_file = ICONS_DIR . "/$feed.ico";
 406
 407                 if ($favicon_url && !file_exists($icon_file)) {
 408                         $contents = fetch_file_contents($favicon_url);
 409
 410                         $fp = fopen($icon_file, "w");
 411
 412                         if ($fp) {
 413                                 fwrite($fp, $contents);
 414                                 fclose($fp);
 415                                 chmod($icon_file, 0644);
 416                         }
 417                 }
 418
 419                 error_reporting(DEFAULT_ERROR_LEVEL);
 420
 421         }
 422
 423         function update_rss_feed($link, $feed_url, $feed, $ignore_daemon = false) {
 424
 425                 if (DAEMON_REFRESH_ONLY && !$_GET["daemon"] && !$ignore_daemon) {
 426                         return;
 427                 }
 428
 429                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 430                         _debug("update_rss_feed: start");
 431                 }
 432
 433                 $result = db_query($link, "SELECT update_interval,auth_login,auth_pass
 434                         FROM ttrss_feeds WHERE id = '$feed'");
 435
 436                 $auth_login = db_fetch_result($result, 0, "auth_login");
 437                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 438
 439                 $update_interval = db_fetch_result($result, 0, "update_interval");
 440
 441                 if ($update_interval < 0) { return; }
 442
 443                 $feed = db_escape_string($feed);
 444
 445                 $fetch_url = $feed_url;
 446
 447                 if ($auth_login && $auth_pass) {
 448                         $url_parts = array();
 449                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 450
 451                         if ($url_parts[1] && $url_parts[2]) {
 452                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 453                         }
 454
 455                 }
 456
 457                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 458                         _debug("update_rss_feed: fetching [$fetch_url]...");
 459                 }
 460
 461                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_GET['xdebug']) {
 462                         error_reporting(0);
 463                 }
 464
 465                 if (!ENABLE_SIMPLEPIE) {
 466                         $rss = fetch_rss($fetch_url);
 467                 } else {
 468                         if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 469                                 mkdir(SIMPLEPIE_CACHE_DIR);
 470                         }
 471
 472                         $rss = new SimplePie();
 473                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 474                         $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
 475                         $rss->set_feed_url($fetch_url);
 476                         $rss->set_output_encoding('UTF-8');
 477
 478 /*                      if (SIMPLEPIE_CACHE_IMAGES) {
 479                                 $rss->set_image_handler('./image.php', 'i');
 480                         } */
 481
 482                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 483                                 _debug("feed update interval (sec): " .
 484                                         get_feed_update_interval($link, $feed)*60);
 485                         }
 486
 487                         if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 488                                 $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 489                                 $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 490                         }
 491
 492                         $rss->init();
 493                 }
 494
 495 //              print_r($rss);
 496
 497                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 498                         _debug("update_rss_feed: fetch done, parsing...");
 499                 } else {
 500                         error_reporting (DEFAULT_ERROR_LEVEL);
 501                 }
 502
 503                 $feed = db_escape_string($feed);
 504
 505                 if (ENABLE_SIMPLEPIE) {
 506                         $fetch_ok = !$rss->error();
 507                 } else {
 508                         $fetch_ok = !!$rss;
 509                 }
 510
 511                 if ($fetch_ok) {
 512
 513                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 514                                 _debug("update_rss_feed: processing feed data...");
 515                         }
 516
 517 //                      db_query($link, "BEGIN");
 518
 519                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 520                                 FROM ttrss_feeds WHERE id = '$feed'");
 521
 522                         $registered_title = db_fetch_result($result, 0, "title");
 523                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 524                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 525
 526                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 527
 528                         if (ENABLE_SIMPLEPIE) {
 529                                 $site_url = $rss->get_link();
 530                         } else {
 531                                 $site_url = $rss->channel["link"];
 532                         }
 533
 534                         if (get_pref($link, 'ENABLE_FEED_ICONS', $owner_uid, false)) {
 535                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 536                                         _debug("update_rss_feed: checking favicon...");
 537                                 }
 538
 539                                 check_feed_favicon($site_url, $feed, $link);
 540                         }
 541
 542                         if (!$registered_title || $registered_title == "[Unknown]") {
 543
 544                                 if (ENABLE_SIMPLEPIE) {
 545                                         $feed_title = db_escape_string($rss->get_title());
 546                                 } else {
 547                                         $feed_title = db_escape_string($rss->channel["title"]);
 548                                 }
 549
 550                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 551                                         _debug("update_rss_feed: registering title: $feed_title");
 552                                 }
 553
 554                                 db_query($link, "UPDATE ttrss_feeds SET
 555                                         title = '$feed_title' WHERE id = '$feed'");
 556                         }
 557
 558                         // weird, weird Magpie
 559                         if (!ENABLE_SIMPLEPIE) {
 560                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 561                         }
 562
 563                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 564                                 db_query($link, "UPDATE ttrss_feeds SET
 565                                         site_url = '$site_url' WHERE id = '$feed'");
 566                         }
 567
 568 //                      print "I: " . $rss->channel["image"]["url"];
 569
 570                         if (!ENABLE_SIMPLEPIE) {
 571                                 $icon_url = $rss->image["url"];
 572                         } else {
 573                                 $icon_url = $rss->get_image_url();
 574                         }
 575
 576                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 577                                 $icon_url = db_escape_string($icon_url);
 578                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 579                         }
 580
 581                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 582                                 _debug("update_rss_feed: loading filters...");
 583                         }
 584
 585                         $filters = array();
 586
 587                         $result = db_query($link, "SELECT reg_exp,
 588                                 ttrss_filter_types.name AS name,
 589                                 ttrss_filter_actions.name AS action,
 590                                 inverse,
 591                                 action_param
 592                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
 593                                         enabled = true AND
 594                                         owner_uid = $owner_uid AND
 595                                         ttrss_filter_types.id = filter_type AND
 596                                         ttrss_filter_actions.id = action_id AND
 597                                 (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
 598
 599                         while ($line = db_fetch_assoc($result)) {
 600                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
 601
 602                                 $filter["reg_exp"] = $line["reg_exp"];
 603                                 $filter["action"] = $line["action"];
 604                                 $filter["action_param"] = $line["action_param"];
 605                                 $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
 606
 607                                 array_push($filters[$line["name"]], $filter);
 608                         }
 609
 610                         if (ENABLE_SIMPLEPIE) {
 611                                 $iterator = $rss->get_items();
 612                         } else {
 613                                 $iterator = $rss->items;
 614                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 615                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 616                         }
 617
 618                         if (!is_array($iterator)) {
 619                                 /* db_query($link, "UPDATE ttrss_feeds
 620                                         SET last_error = 'Parse error: can\'t find any articles.'
 621                                         WHERE id = '$feed'"); */
 622
 623                                 // clear any errors and mark feed as updated if fetched okay
 624                                 // even if it's blank
 625
 626                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 627                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 628                                 }
 629
 630                                 db_query($link, "UPDATE ttrss_feeds
 631                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 632
 633                                 return; // no articles
 634                         }
 635
 636                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 637                                 _debug("update_rss_feed: processing articles...");
 638                         }
 639
 640                         foreach ($iterator as $item) {
 641
 642                                 if (ENABLE_SIMPLEPIE) {
 643                                         $entry_guid = $item->get_id();
 644                                         if (!$entry_guid) $entry_guid = $item->get_link();
 645                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 646
 647                                 } else {
 648
 649                                         $entry_guid = $item["id"];
 650
 651                                         if (!$entry_guid) $entry_guid = $item["guid"];
 652                                         if (!$entry_guid) $entry_guid = $item["link"];
 653                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 654                                 }
 655
 656                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 657                                         _debug("update_rss_feed: guid $entry_guid");
 658                                 }
 659
 660                                 if (!$entry_guid) continue;
 661
 662                                 $entry_timestamp = "";
 663
 664                                 if (ENABLE_SIMPLEPIE) {
 665                                         $entry_timestamp = strtotime($item->get_date());
 666                                 } else {
 667                                         $rss_2_date = $item['pubdate'];
 668                                         $rss_1_date = $item['dc']['date'];
 669                                         $atom_date = $item['issued'];
 670                                         if (!$atom_date) $atom_date = $item['updated'];
 671
 672                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 673                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 674                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 675                                 }
 676
 677                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 678                                         _debug("update_rss_feed: date $entry_timestamp");
 679                                 }
 680
 681                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 682                                         $entry_timestamp = time();
 683                                         $no_orig_date = 'true';
 684                                 } else {
 685                                         $no_orig_date = 'false';
 686                                 }
 687
 688                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 689
 690                                 if (ENABLE_SIMPLEPIE) {
 691                                         $entry_title = $item->get_title();
 692                                 } else {
 693                                         $entry_title = trim(strip_tags($item["title"]));
 694                                 }
 695
 696                                 if (ENABLE_SIMPLEPIE) {
 697                                         $entry_link = $item->get_link();
 698                                 } else {
 699                                         // strange Magpie workaround
 700                                         $entry_link = $item["link_"];
 701                                         if (!$entry_link) $entry_link = $item["link"];
 702                                 }
 703
 704                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 705                                         _debug("update_rss_feed: title $entry_title");
 706                                 }
 707
 708                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 709
 710                                 $entry_link = strip_tags($entry_link);
 711
 712                                 if (ENABLE_SIMPLEPIE) {
 713                                         $entry_content = $item->get_description();
 714                                 } else {
 715                                         $entry_content = $item["content:escaped"];
 716
 717                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 718                                         if (!$entry_content) $entry_content = $item["content"];
 719                                         if (!$entry_content) $entry_content = $item["atom_content"];
 720                                         if (!$entry_content) $entry_content = $item["summary"];
 721                                         if (!$entry_content) $entry_content = $item["description"];
 722
 723                                         // WTF
 724                                         if (is_array($entry_content)) {
 725                                                 $entry_content = $entry_content["encoded"];
 726                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 727                                         }
 728                                 }
 729
 730 //                              print_r($item);
 731 //                              print_r(htmlspecialchars($entry_content));
 732 //                              print "<br>";
 733
 734                                 $entry_content_unescaped = $entry_content;
 735
 736                                 if (ENABLE_SIMPLEPIE) {
 737                                         $entry_comments = strip_tags($item->data["comments"]);
 738                                         if ($item->get_author()) {
 739                                                 $entry_author = $item->get_author()->get_name();
 740                                         }
 741                                 } else {
 742                                         $entry_comments = strip_tags($item["comments"]);
 743
 744                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 745
 746                                         if ($item['author']) {
 747
 748                                                 if (is_array($item['author'])) {
 749
 750                                                         if (!$entry_author) {
 751                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 752                                                         }
 753
 754                                                         if (!$entry_author) {
 755                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 756                                                         }
 757                                                 }
 758
 759                                                 if (!$entry_author) {
 760                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 761                                                 }
 762                                         }
 763                                 }
 764
 765                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 766
 767                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 768
 769                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 770                                         WHERE guid = '$entry_guid'");
 771
 772                                 $entry_content = db_escape_string($entry_content);
 773
 774                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 775
 776                                 $entry_title = db_escape_string($entry_title);
 777                                 $entry_link = db_escape_string($entry_link);
 778                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 779                                 $entry_author = mb_substr($entry_author, 0, 250);
 780
 781                                 if (ENABLE_SIMPLEPIE) {
 782                                         $num_comments = 0; #FIXME#
 783                                 } else {
 784                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 785                                 }
 786
 787                                 if (!$num_comments) $num_comments = 0;
 788
 789                                 // parse <category> entries into tags
 790
 791                                 if (ENABLE_SIMPLEPIE) {
 792
 793                                         $additional_tags = array();
 794                                         $additional_tags_src = $item->get_categories();
 795
 796                                         if (is_array($additional_tags_src)) {
 797                                                 foreach ($additional_tags_src as $tobj) {
 798                                                         array_push($additional_tags, $tobj->get_term());
 799                                                 }
 800                                         }
 801
 802                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 803                                                 _debug("update_rss_feed: category tags:");
 804                                                 print_r($additional_tags);
 805                                         }
 806
 807                                 } else {
 808
 809                                         $t_ctr = $item['category#'];
 810
 811                                         $additional_tags = false;
 812
 813                                         if ($t_ctr == 0) {
 814                                                 $additional_tags = false;
 815                                         } else if ($t_ctr == 1) {
 816                                                 $additional_tags = array($item['category']);
 817                                         } else {
 818                                                 $additional_tags = array();
 819                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 820                                                         if ($item["category#$i"]) {
 821                                                                 array_push($additional_tags, $item["category#$i"]);
 822                                                         }
 823                                                 }
 824                                         }
 825
 826                                         // parse <dc:subject> elements
 827
 828                                         $t_ctr = $item['dc']['subject#'];
 829
 830                                         if ($t_ctr == 1) {
 831                                                 $additional_tags = array($item['dc']['subject']);
 832                                         } else if ($t_ctr > 1) {
 833                                                 $additional_tags = array();
 834                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 835                                                         if ($item['dc']["subject#$i"]) {
 836                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
 837                                                         }
 838                                                 }
 839                                         }
 840                                 }
 841
 842                                 # sanitize content
 843
 844 //                              $entry_content = sanitize_rss($entry_content);
 845
 846                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 847                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
 848                                 }
 849
 850                                 db_query($link, "BEGIN");
 851
 852                                 if (db_num_rows($result) == 0) {
 853
 854                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 855                                                 _debug("update_rss_feed: base guid not found");
 856                                         }
 857
 858                                         // base post entry does not exist, create it
 859
 860                                         $result = db_query($link,
 861                                                 "INSERT INTO ttrss_entries
 862                                                         (title,
 863                                                         guid,
 864                                                         link,
 865                                                         updated,
 866                                                         content,
 867                                                         content_hash,
 868                                                         no_orig_date,
 869                                                         date_entered,
 870                                                         comments,
 871                                                         num_comments,
 872                                                         author)
 873                                                 VALUES
 874                                                         ('$entry_title',
 875                                                         '$entry_guid',
 876                                                         '$entry_link',
 877                                                         '$entry_timestamp_fmt',
 878                                                         '$entry_content',
 879                                                         '$content_hash',
 880                                                         $no_orig_date,
 881                                                         NOW(),
 882                                                         '$entry_comments',
 883                                                         '$num_comments',
 884                                                         '$entry_author')");
 885                                 } else {
 886                                         // we keep encountering the entry in feeds, so we need to
 887                                         // update date_entered column so that we don't get horrible
 888                                         // dupes when the entry gets purged and reinserted again e.g.
 889                                         // in the case of SLOW SLOW OMG SLOW updating feeds
 890
 891                                         $base_entry_id = db_fetch_result($result, 0, "id");
 892
 893                                         db_query($link, "UPDATE ttrss_entries SET date_entered = NOW()
 894                                                 WHERE id = '$base_entry_id'");
 895                                 }
 896
 897                                 // now it should exist, if not - bad luck then
 898
 899                                 $result = db_query($link, "SELECT
 900                                                 id,content_hash,no_orig_date,title,
 901                                                 substring(date_entered,1,19) as date_entered,
 902                                                 substring(updated,1,19) as updated,
 903                                                 num_comments
 904                                         FROM
 905                                                 ttrss_entries
 906                                         WHERE guid = '$entry_guid'");
 907
 908                                 if (db_num_rows($result) == 1) {
 909
 910                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 911                                                 _debug("update_rss_feed: base guid found, checking for user record");
 912                                         }
 913
 914                                         // this will be used below in update handler
 915                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
 916                                         $orig_title = db_fetch_result($result, 0, "title");
 917                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
 918                                         $orig_date_entered = strtotime(db_fetch_result($result,
 919                                                 0, "date_entered"));
 920
 921                                         $ref_id = db_fetch_result($result, 0, "id");
 922
 923                                         // check for user post link to main table
 924
 925                                         // do we allow duplicate posts with same GUID in different feeds?
 926                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
 927                                                 $dupcheck_qpart = "AND feed_id = '$feed'";
 928                                         } else {
 929                                                 $dupcheck_qpart = "";
 930                                         }
 931
 932 //                                      error_reporting(0);
 933
 934                                         $article_filters = get_article_filters($filters, $entry_title,
 935                                                         $entry_content, $entry_link);
 936
 937                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 938                                                 _debug("update_rss_feed: article filters: ");
 939                                                 if (count($article_filters) != 0) {
 940                                                         print_r($article_filters);
 941                                                 }
 942                                         }
 943
 944                                         if (find_article_filter($article_filters, "filter")) {
 945                                                 continue;
 946                                         }
 947
 948 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
 949
 950                                         $result = db_query($link,
 951                                                 "SELECT ref_id FROM ttrss_user_entries WHERE
 952                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
 953                                                         $dupcheck_qpart");
 954
 955                                         // okay it doesn't exist - create user entry
 956                                         if (db_num_rows($result) == 0) {
 957
 958                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
 959                                                         _debug("update_rss_feed: user record not found, creating...");
 960                                                 }
 961
 962                                                 if (!find_article_filter($article_filters, 'catchup')) {
 963                                                         $unread = 'true';
 964                                                         $last_read_qpart = 'NULL';
 965                                                 } else {
 966                                                         $unread = 'false';
 967                                                         $last_read_qpart = 'NOW()';
 968                                                 }
 969
 970                                                 if (find_article_filter($article_filters, 'mark')) {
 971                                                         $marked = 'true';
 972                                                 } else {
 973                                                         $marked = 'false';
 974                                                 }
 975
 976                                                 if (find_article_filter($article_filters, 'publish')) {
 977                                                         $published = 'true';
 978                                                 } else {
 979                                                         $published = 'false';
 980                                                 }
 981
 982                                                 $result = db_query($link,
 983                                                         "INSERT INTO ttrss_user_entries
 984                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked, published)
 985                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
 986                                                                 $last_read_qpart, $marked, $published)");
 987                                         }
 988
 989                                         $post_needs_update = false;
 990
 991                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
 992                                                 ($content_hash != $orig_content_hash)) {
 993 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
 994                                                 $post_needs_update = true;
 995                                         }
 996
 997                                         if (db_escape_string($orig_title) != $entry_title) {
 998                                                 $post_needs_update = true;
 999                                         }
1000
1001                                         if ($orig_num_comments != $num_comments) {
1002                                                 $post_needs_update = true;
1003                                         }
1004
1005 //                                      this doesn't seem to be very reliable
1006 //
1007 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1008 //                                              $post_needs_update = true;
1009 //                                      }
1010
1011                                         // if post needs update, update it and mark all user entries
1012                                         // linking to this post as updated
1013                                         if ($post_needs_update) {
1014
1015                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1016                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1017                                                 }
1018
1019 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1020
1021                                                 db_query($link, "UPDATE ttrss_entries
1022                                                         SET title = '$entry_title', content = '$entry_content',
1023                                                                 content_hash = '$content_hash',
1024                                                                 num_comments = '$num_comments'
1025                                                         WHERE id = '$ref_id'");
1026
1027                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1028                                                         db_query($link, "UPDATE ttrss_user_entries
1029                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1030                                                 } else {
1031                                                         db_query($link, "UPDATE ttrss_user_entries
1032                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1033                                                 }
1034
1035                                         }
1036                                 }
1037
1038                                 db_query($link, "COMMIT");
1039
1040                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1041                                         _debug("update_rss_feed: looking for tags...");
1042                                 }
1043
1044                                 /* taaaags */
1045                                 // <a href="..." rel="tag">Xorg</a>, //
1046
1047                                 $entry_tags = null;
1048
1049                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1050                                         $entry_content_unescaped, $entry_tags);
1051
1052 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1053                                 print_r($entry_tags);
1054                                 print "<br/></p>"; */
1055
1056                                 $entry_tags = $entry_tags[1];
1057
1058                                 # check for manual tags
1059
1060                                 $tag_filter = find_article_filter($article_filters, "tag");
1061
1062                                 if ($tag_filter) {
1063
1064                                         $manual_tags = trim_array(split(",", $tag_filter[1]));
1065
1066                                         foreach ($manual_tags as $tag) {
1067                                                 if (tag_is_valid($tag)) {
1068                                                         array_push($entry_tags, $tag);
1069                                                 }
1070                                         }
1071                                 }
1072
1073                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1074                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1075
1076                                 if ($additional_tags && is_array($additional_tags)) {
1077                                         foreach ($additional_tags as $tag) {
1078                                                 if (tag_is_valid($tag) &&
1079                                                                 array_search($tag, $boring_tags) === FALSE) {
1080                                                         array_push($entry_tags, $tag);
1081                                                 }
1082                                         }
1083                                 }
1084
1085 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1086
1087                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1088                                         print_r($entry_tags);
1089                                 }
1090
1091                                 if (count($entry_tags) > 0) {
1092
1093                                         db_query($link, "BEGIN");
1094
1095                                         $result = db_query($link, "SELECT id,int_id
1096                                                 FROM ttrss_entries,ttrss_user_entries
1097                                                 WHERE guid = '$entry_guid'
1098                                                 AND feed_id = '$feed' AND ref_id = id
1099                                                 AND owner_uid = '$owner_uid'");
1100
1101                                         if (db_num_rows($result) == 1) {
1102
1103                                                 $entry_id = db_fetch_result($result, 0, "id");
1104                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1105
1106                                                 foreach ($entry_tags as $tag) {
1107
1108                                                         $tag = sanitize_tag($tag);
1109                                                         $tag = db_escape_string($tag);
1110
1111                                                         if (!tag_is_valid($tag)) continue;
1112
1113                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1114                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1115                                                                 owner_uid = '$owner_uid' LIMIT 1");
1116
1117         //                                              print db_fetch_result($result, 0, "id");
1118
1119                                                         if ($result && db_num_rows($result) == 0) {
1120
1121                                                                 db_query($link, "INSERT INTO ttrss_tags
1122                                                                         (owner_uid,tag_name,post_int_id)
1123                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1124                                                         }
1125                                                 }
1126                                         }
1127                                         db_query($link, "COMMIT");
1128                                 }
1129
1130                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1131                                         _debug("update_rss_feed: article processed");
1132                                 }
1133                         }
1134
1135                         db_query($link, "UPDATE ttrss_feeds
1136                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1137
1138 //                      db_query($link, "COMMIT");
1139
1140                 } else {
1141
1142                         if (ENABLE_SIMPLEPIE) {
1143                                 $error_msg = mb_substr($rss->error(), 0, 250);
1144                         } else {
1145                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1146                         }
1147
1148                         if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1149                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1150                         }
1151
1152                         $error_msg = db_escape_string($error_msg);
1153
1154                         db_query($link,
1155                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1156                                         last_updated = NOW() WHERE id = '$feed'");
1157                 }
1158
1159                 if (defined('DAEMON_EXTENDED_DEBUG') || $_GET['xdebug']) {
1160                         _debug("update_rss_feed: done");
1161                 }
1162
1163         }
1164
1165         function print_select($id, $default, $values, $attributes = "") {
1166                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1167                 foreach ($values as $v) {
1168                         if ($v == $default)
1169                                 $sel = " selected";
1170                          else
1171                                 $sel = "";
1172
1173                         print "<option$sel>$v</option>";
1174                 }
1175                 print "</select>";
1176         }
1177
1178         function print_select_hash($id, $default, $values, $attributes = "") {
1179                 print "<select name=\"$id\" id='$id' $attributes>";
1180                 foreach (array_keys($values) as $v) {
1181                         if ($v == $default)
1182                                 $sel = "selected";
1183                          else
1184                                 $sel = "";
1185
1186                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1187                 }
1188
1189                 print "</select>";
1190         }
1191
1192         function get_article_filters($filters, $title, $content, $link) {
1193                 $matches = array();
1194
1195                 if ($filters["title"]) {
1196                         foreach ($filters["title"] as $filter) {
1197                                 $reg_exp = $filter["reg_exp"];
1198                                 $inverse = $filter["inverse"];
1199                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1200                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1201
1202                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1203                                 }
1204                         }
1205                 }
1206
1207                 if ($filters["content"]) {
1208                         foreach ($filters["content"] as $filter) {
1209                                 $reg_exp = $filter["reg_exp"];
1210                                 $inverse = $filter["inverse"];
1211
1212                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1213                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1214
1215                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1216                                 }
1217                         }
1218                 }
1219
1220                 if ($filters["both"]) {
1221                         foreach ($filters["both"] as $filter) {
1222                                 $reg_exp = $filter["reg_exp"];
1223                                 $inverse = $filter["inverse"];
1224
1225                                 if ($inverse) {
1226                                         if (!preg_match("/$reg_exp/i", $title) || !preg_match("/$reg_exp/i", $content)) {
1227                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1228                                         }
1229                                 } else {
1230                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1231                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1232                                         }
1233                                 }
1234                         }
1235                 }
1236
1237                 if ($filters["link"]) {
1238                         $reg_exp = $filter["reg_exp"];
1239                         foreach ($filters["link"] as $filter) {
1240                                 $reg_exp = $filter["reg_exp"];
1241                                 $inverse = $filter["inverse"];
1242
1243                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1244                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1245
1246                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1247                                 }
1248                         }
1249                 }
1250
1251                 return $matches;
1252         }
1253
1254         function find_article_filter($filters, $filter_name) {
1255                 foreach ($filters as $f) {
1256                         if ($f[0] == $filter_name) {
1257                                 return $f;
1258                         };
1259                 }
1260                 return false;
1261         }
1262
1263         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1264                 $rtl_content = false, $last_updated = false, $last_error = false) {
1265
1266                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1267                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1268                 } else {
1269                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1270                 }
1271
1272                 if ($rtl_content) {
1273                         $rtl_tag = "dir=\"rtl\"";
1274                 } else {
1275                         $rtl_tag = "dir=\"ltr\"";
1276                 }
1277
1278                 $error_notify_msg = "";
1279
1280                 if ($last_error) {
1281                         $link_title = "Error: $last_error ($last_updated)";
1282                         $error_notify_msg = "(Error)";
1283                 } else if ($last_updated) {
1284                         $link_title = "Updated: $last_updated";
1285                 }
1286
1287                 $feed = "<a title=\"$link_title\" id=\"FEEDL-$feed_id\"
1288                         href=\"javascript:viewfeed('$feed_id', '', false, '', false, 0);\">$feed_title</a>";
1289
1290                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1291                 if (get_pref($link, 'ENABLE_FEED_ICONS')) {
1292                         print "$feed_icon";
1293                 }
1294
1295                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1296
1297                 if ($unread != 0) {
1298                         $fctr_class = "";
1299                 } else {
1300                         $fctr_class = "class=\"invisible\"";
1301                 }
1302
1303                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1304                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1305
1306                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1307                         print "<div class=\"feedExtInfo\">
1308                                 <span id=\"FLUPD-$feed_id\">$last_updated $error_notify_msg</span></div>";
1309                 }
1310
1311                 print "</li>";
1312
1313         }
1314
1315         function getmicrotime() {
1316                 list($usec, $sec) = explode(" ",microtime());
1317                 return ((float)$usec + (float)$sec);
1318         }
1319
1320         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1321                 foreach ($values as $v) {
1322
1323                         if ($v == $default)
1324                                 $sel = "checked";
1325                          else
1326                                 $sel = "";
1327
1328                         if ($v == $true_is) {
1329                                 $sel .= " value=\"1\"";
1330                         } else {
1331                                 $sel .= " value=\"0\"";
1332                         }
1333
1334                         print "<input class=\"noborder\"
1335                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1336
1337                 }
1338         }
1339
1340         function initialize_user_prefs($link, $uid) {
1341
1342                 $uid = db_escape_string($uid);
1343
1344                 db_query($link, "BEGIN");
1345
1346                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1347
1348                 $u_result = db_query($link, "SELECT pref_name
1349                         FROM ttrss_user_prefs WHERE owner_uid = '$uid'");
1350
1351                 $active_prefs = array();
1352
1353                 while ($line = db_fetch_assoc($u_result)) {
1354                         array_push($active_prefs, $line["pref_name"]);
1355                 }
1356
1357                 while ($line = db_fetch_assoc($result)) {
1358                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1359 //                              print "adding " . $line["pref_name"] . "<br>";
1360
1361                                 db_query($link, "INSERT INTO ttrss_user_prefs
1362                                         (owner_uid,pref_name,value) VALUES
1363                                         ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1364
1365                         }
1366                 }
1367
1368                 db_query($link, "COMMIT");
1369
1370         }
1371
1372         function lookup_user_id($link, $user) {
1373
1374                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1375                         login = '$login'");
1376
1377                 if (db_num_rows($result) == 1) {
1378                         return db_fetch_result($result, 0, "id");
1379                 } else {
1380                         return false;
1381                 }
1382         }
1383
1384         function http_authenticate_user($link) {
1385
1386                 error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1387
1388                 if (!$_SERVER["PHP_AUTH_USER"]) {
1389
1390                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1391                         header('HTTP/1.0 401 Unauthorized');
1392                         exit;
1393
1394                 } else {
1395                         $auth_result = authenticate_user($link,
1396                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1397
1398                         if (!$auth_result) {
1399                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1400                                 header('HTTP/1.0 401 Unauthorized');
1401                                 exit;
1402                         }
1403                 }
1404
1405                 return true;
1406         }
1407
1408         function authenticate_user($link, $login, $password, $force_auth = false) {
1409
1410                 if (!SINGLE_USER_MODE) {
1411
1412                         $pwd_hash = 'SHA1:' . sha1($password);
1413
1414                         if ($force_auth && defined('_DEBUG_USER_SWITCH')) {
1415                                 $query = "SELECT id,login,access_level
1416                     FROM ttrss_users WHERE
1417                          login = '$login'";
1418                         } else {
1419                                 $query = "SELECT id,login,access_level
1420                     FROM ttrss_users WHERE
1421                          login = '$login' AND pwd_hash = '$pwd_hash'";
1422                         }
1423
1424                         $result = db_query($link, $query);
1425
1426                         if (db_num_rows($result) == 1) {
1427                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1428                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1429                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1430
1431                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1432                                         $_SESSION["uid"]);
1433
1434                                 $user_theme = get_user_theme_path($link);
1435
1436                                 $_SESSION["theme"] = $user_theme;
1437                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1438
1439                                 initialize_user_prefs($link, $_SESSION["uid"]);
1440
1441                                 return true;
1442                         }
1443
1444                         return false;
1445
1446                 } else {
1447
1448                         $_SESSION["uid"] = 1;
1449                         $_SESSION["name"] = "admin";
1450
1451                         $user_theme = get_user_theme_path($link);
1452
1453                         $_SESSION["theme"] = $user_theme;
1454                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1455
1456                         initialize_user_prefs($link, $_SESSION["uid"]);
1457
1458                         return true;
1459                 }
1460         }
1461
1462         function make_password($length = 8) {
1463
1464                 $password = "";
1465                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1466
1467         $i = 0;
1468
1469                 while ($i < $length) {
1470                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1471
1472                         if (!strstr($password, $char)) {
1473                                 $password .= $char;
1474                                 $i++;
1475                         }
1476                 }
1477                 return $password;
1478         }
1479
1480         // this is called after user is created to initialize default feeds, labels
1481         // or whatever else
1482
1483         // user preferences are checked on every login, not here
1484
1485         function initialize_user($link, $uid) {
1486
1487                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1488                         values ('$uid','unread = true', 'Unread articles')");
1489
1490                 db_query($link, "insert into ttrss_labels (owner_uid,sql_exp,description)
1491                         values ('$uid','last_read is null and unread = false', 'Updated articles')");
1492
1493                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1494                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1495                         'http://tt-rss.spb.ru/releases.rss')");
1496
1497                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1498                         values ('$uid', 'Tiny Tiny RSS: Forum',
1499                         'http://tt-rss.spb.ru/forum/rss.php')");
1500         }
1501
1502         function logout_user() {
1503                 session_destroy();
1504                 if (isset($_COOKIE[session_name()])) {
1505                    setcookie(session_name(), '', time()-42000, '/');
1506                 }
1507         }
1508
1509         function get_script_urlpath() {
1510                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1511         }
1512
1513         function validate_session($link) {
1514                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1515                         if ($_SESSION["ip_address"]) {
1516                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1517                                         $_SESSION["login_error_msg"] = "Session failed to validate (incorrect IP)";
1518                                         return false;
1519                                 }
1520                         }
1521                 }
1522
1523 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1524
1525                         //print_r($_SESSION);
1526
1527                         if (time() > $_SESSION["cookie_lifetime"]) {
1528                                 return false;
1529                         }
1530                 } */
1531
1532                 return true;
1533         }
1534
1535         function login_sequence($link, $mobile = false) {
1536                 if (!SINGLE_USER_MODE) {
1537
1538                         if (defined('_DEBUG_USER_SWITCH') && $_SESSION["uid"]) {
1539                                 $swu = db_escape_string($_REQUEST["swu"]);
1540                                 if ($swu) {
1541                                         $_SESSION["prefs_cache"] = false;
1542                                         return authenticate_user($link, $swu, null, true);
1543                                 }
1544                         }
1545
1546                         $login_action = $_POST["login_action"];
1547
1548                         # try to authenticate user if called from login form
1549                         if ($login_action == "do_login") {
1550                                 $login = $_POST["login"];
1551                                 $password = $_POST["password"];
1552                                 $remember_me = $_POST["remember_me"];
1553
1554                                 if (authenticate_user($link, $login, $password)) {
1555                                         $_POST["password"] = "";
1556
1557                                         $_SESSION["language"] = $_POST["language"];
1558
1559                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1560                                         exit;
1561
1562                                         return;
1563                                 } else {
1564                                         $_SESSION["login_error_msg"] = "Incorrect username or password";
1565                                 }
1566                         }
1567
1568 //                      print session_id();
1569 //                      print_r($_SESSION);
1570
1571                         if (!$_SESSION["uid"] || !validate_session($link)) {
1572                                 render_login_form($link, $mobile);
1573                                 exit;
1574                         } else {
1575                                 /* bump login timestamp */
1576                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1577                                         $_SESSION["uid"]);
1578
1579                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
1580                                         setcookie("ttrss_lang", $_SESSION["language"],
1581                                                 time() + SESSION_COOKIE_LIFETIME);
1582                                 }
1583                         }
1584
1585                 } else {
1586                         return authenticate_user($link, "admin", null);
1587                 }
1588         }
1589
1590         function truncate_string($str, $max_len) {
1591                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
1592                         return mb_substr($str, 0, $max_len, "utf-8") . "...";
1593                 } else {
1594                         return $str;
1595                 }
1596         }
1597
1598         function get_user_theme_path($link) {
1599                 $result = db_query($link, "SELECT theme_path
1600                         FROM
1601                                 ttrss_themes,ttrss_users
1602                         WHERE ttrss_themes.id = theme_id AND ttrss_users.id = " . $_SESSION["uid"]);
1603                 if (db_num_rows($result) != 0) {
1604                         return db_fetch_result($result, 0, "theme_path");
1605                 } else {
1606                         return null;
1607                 }
1608         }
1609
1610         function smart_date_time($timestamp) {
1611                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1612                         return date("G:i", $timestamp);
1613                 } else if (date("Y", $timestamp) == date("Y")) {
1614                         return date("M d, G:i", $timestamp);
1615                 } else {
1616                         return date("Y/m/d, G:i", $timestamp);
1617                 }
1618         }
1619
1620         function smart_date($timestamp) {
1621                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
1622                         return "Today";
1623                 } else if (date("Y", $timestamp) == date("Y")) {
1624                         return date("D m", $timestamp);
1625                 } else {
1626                         return date("Y/m/d", $timestamp);
1627                 }
1628         }
1629
1630         function sql_bool_to_string($s) {
1631                 if ($s == "t" || $s == "1") {
1632                         return "true";
1633                 } else {
1634                         return "false";
1635                 }
1636         }
1637
1638         function sql_bool_to_bool($s) {
1639                 if ($s == "t" || $s == "1") {
1640                         return true;
1641                 } else {
1642                         return false;
1643                 }
1644         }
1645
1646
1647         function toggleEvenOdd($a) {
1648                 if ($a == "even")
1649                         return "odd";
1650                 else
1651                         return "even";
1652         }
1653
1654         function sanity_check($link) {
1655
1656                 error_reporting(0);
1657
1658                 $error_code = 0;
1659                 $result = db_query($link, "SELECT schema_version FROM ttrss_version");
1660                 $schema_version = db_fetch_result($result, 0, "schema_version");
1661
1662                 if ($schema_version != SCHEMA_VERSION) {
1663                         $error_code = 5;
1664                 }
1665
1666                 if (DB_TYPE == "mysql") {
1667                         $result = db_query($link, "SELECT true", false);
1668                         if (db_num_rows($result) != 1) {
1669                                 $error_code = 10;
1670                         }
1671                 }
1672
1673                 error_reporting (DEFAULT_ERROR_LEVEL);
1674
1675                 if ($error_code != 0) {
1676                         print_error_xml($error_code);
1677                         return false;
1678                 } else {
1679                         return true;
1680                 }
1681         }
1682
1683         function file_is_locked($filename) {
1684                 error_reporting(0);
1685                 $fp = fopen($filename, "r");
1686                 error_reporting(DEFAULT_ERROR_LEVEL);
1687                 if ($fp) {
1688                         if (flock($fp, LOCK_EX | LOCK_NB)) {
1689                                 flock($fp, LOCK_UN);
1690                                 fclose($fp);
1691                                 return false;
1692                         }
1693                         fclose($fp);
1694                         return true;
1695                 }
1696                 return false;
1697         }
1698
1699         function make_lockfile($filename) {
1700                 $fp = fopen($filename, "w");
1701
1702                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1703                         return $fp;
1704                 } else {
1705                         return false;
1706                 }
1707         }
1708
1709         function make_stampfile($filename) {
1710                 $fp = fopen($filename, "w");
1711
1712                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1713                         fwrite($fp, time() . "\n");
1714                         flock($fp, LOCK_UN);
1715                         fclose($fp);
1716                         return true;
1717                 } else {
1718                         return false;
1719                 }
1720         }
1721
1722         function read_stampfile($filename) {
1723
1724                 error_reporting(0);
1725                 $fp = fopen($filename, "r");
1726                 error_reporting (DEFAULT_ERROR_LEVEL);
1727
1728                 if (flock($fp, LOCK_EX)) {
1729                         $stamp = fgets($fp);
1730                         flock($fp, LOCK_UN);
1731                         fclose($fp);
1732                         return $stamp;
1733                 } else {
1734                         return false;
1735                 }
1736         }
1737
1738         function sql_random_function() {
1739                 if (DB_TYPE == "mysql") {
1740                         return "RAND()";
1741                 } else {
1742                         return "RANDOM()";
1743                 }
1744         }
1745
1746         function catchup_feed($link, $feed, $cat_view) {
1747
1748                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1749
1750                                 if ($cat_view) {
1751
1752                                         if ($feed > 0) {
1753                                                 $cat_qpart = "cat_id = '$feed'";
1754                                         } else {
1755                                                 $cat_qpart = "cat_id IS NULL";
1756                                         }
1757
1758                                         $tmp_result = db_query($link, "SELECT id
1759                                                 FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = " .
1760                                                 $_SESSION["uid"]);
1761
1762                                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
1763
1764                                                 $tmp_feed = $tmp_line["id"];
1765
1766                                                 db_query($link, "UPDATE ttrss_user_entries
1767                                                         SET unread = false,last_read = NOW()
1768                                                         WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
1769                                         }
1770
1771                                 } else if ($feed > 0) {
1772
1773                                         $tmp_result = db_query($link, "SELECT id
1774                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
1775                                                 ORDER BY cat_id,title");
1776
1777                                         $parent_ids = array();
1778
1779                                         if (db_num_rows($tmp_result) > 0) {
1780                                                 while ($p = db_fetch_assoc($tmp_result)) {
1781                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
1782                                                 }
1783
1784                                                 $children_qpart = implode(" OR ", $parent_ids);
1785
1786                                                 db_query($link, "UPDATE ttrss_user_entries
1787                                                         SET unread = false,last_read = NOW()
1788                                                         WHERE (feed_id = '$feed' OR $children_qpart)
1789                                                         AND owner_uid = " . $_SESSION["uid"]);
1790
1791                                         } else {
1792                                                 db_query($link, "UPDATE ttrss_user_entries
1793                                                         SET unread = false,last_read = NOW()
1794                                                         WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
1795                                         }
1796
1797                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
1798
1799                                         if ($feed == -1) {
1800                                                 db_query($link, "UPDATE ttrss_user_entries
1801                                                         SET unread = false,last_read = NOW()
1802                                                         WHERE marked = true AND owner_uid = ".$_SESSION["uid"]);
1803                                         }
1804
1805                                         if ($feed == -2) {
1806                                                 db_query($link, "UPDATE ttrss_user_entries
1807                                                         SET unread = false,last_read = NOW()
1808                                                         WHERE published = true AND owner_uid = ".$_SESSION["uid"]);
1809                                         }
1810
1811                                         if ($feed == -3) {
1812
1813                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
1814
1815                                                 if (DB_TYPE == "pgsql") {
1816                                                         $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
1817                                                 } else {
1818                                                         $match_part .= " AND date_entered > DATE_SUB(NOW(),
1819                                                                 INTERVAL $intl HOUR) ";
1820                                                 }
1821
1822                                                 db_query($link, "UPDATE ttrss_user_entries
1823                                                         SET unread = false,last_read = NOW()
1824                                                         WHERE $match_part AND owner_uid = ".$_SESSION["uid"]);
1825                                         }
1826
1827                                 } else if ($feed < -10) { // label
1828
1829                                         // TODO make this more efficient
1830
1831                                         $label_id = -$feed - 11;
1832
1833                                         $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
1834                                                 WHERE id = '$label_id'");
1835
1836                                         if ($tmp_result) {
1837                                                 $sql_exp = db_fetch_result($tmp_result, 0, "sql_exp");
1838
1839                                                 db_query($link, "BEGIN");
1840
1841                                                 $tmp2_result = db_query($link,
1842                                                         "SELECT
1843                                                                 int_id
1844                                                         FROM
1845                                                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
1846                                                         WHERE
1847                                                                 ref_id = ttrss_entries.id AND
1848                                                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
1849                                                                 $sql_exp AND
1850                                                                 ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
1851
1852                                                 while ($tmp_line = db_fetch_assoc($tmp2_result)) {
1853                                                         db_query($link, "UPDATE
1854                                                                 ttrss_user_entries
1855                                                         SET
1856                                                                 unread = false, last_read = NOW()
1857                                                         WHERE
1858                                                                 int_id = " . $tmp_line["int_id"]);
1859                                                 }
1860
1861                                                 db_query($link, "COMMIT");
1862
1863 /*                                              db_query($link, "UPDATE ttrss_user_entries,ttrss_entries
1864                                                         SET unread = false,last_read = NOW()
1865                                                         WHERE $sql_exp
1866                                                         AND ref_id = id
1867                                                         AND owner_uid = ".$_SESSION["uid"]); */
1868                                         }
1869                                 }
1870                         } else { // tag
1871                                 db_query($link, "BEGIN");
1872
1873                                 $tag_name = db_escape_string($feed);
1874
1875                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
1876                                         WHERE tag_name = '$tag_name' AND owner_uid = " . $_SESSION["uid"]);
1877
1878                                 while ($line = db_fetch_assoc($result)) {
1879                                         db_query($link, "UPDATE ttrss_user_entries SET
1880                                                 unread = false, last_read = NOW()
1881                                                 WHERE int_id = " . $line["post_int_id"]);
1882                                 }
1883                                 db_query($link, "COMMIT");
1884                         }
1885         }
1886
1887         function update_generic_feed($link, $feed, $cat_view) {
1888                         if ($cat_view) {
1889
1890                                 if ($feed > 0) {
1891                                         $cat_qpart = "cat_id = '$feed'";
1892                                 } else {
1893                                         $cat_qpart = "cat_id IS NULL";
1894                                 }
1895
1896                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1897                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
1898
1899                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
1900                                         $feed_url = $tmp_line["feed_url"];
1901                                         update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1902                                 }
1903
1904                         } else {
1905                                 $tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
1906                                         WHERE id = '$feed'");
1907                                 $feed_url = db_fetch_result($tmp_result, 0, "feed_url");
1908                                 update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
1909                         }
1910         }
1911
1912         function getAllCounters($link, $omode = "flc", $active_feed = false) {
1913 /*              getLabelCounters($link);
1914                 getFeedCounters($link);
1915                 getTagCounters($link);
1916                 getGlobalCounters($link);
1917                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
1918                         getCategoryCounters($link);
1919                 } */
1920
1921                 if (!$omode) $omode = "flc";
1922
1923                 getGlobalCounters($link);
1924
1925                 if (strchr($omode, "l")) getLabelCounters($link);
1926                 if (strchr($omode, "f")) getFeedCounters($link, SMART_RPC_COUNTERS, $active_feed);
1927                 if (strchr($omode, "t")) getTagCounters($link);
1928                 if (strchr($omode, "c")) {
1929                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
1930                                 getCategoryCounters($link);
1931                         }
1932                 }
1933         }
1934
1935         function getCategoryCounters($link) {
1936                 # two special categories are -1 and -2 (all virtuals; all labels)
1937
1938                 $ctr = getCategoryUnread($link, -1);
1939
1940                 print "<counter type=\"category\" id=\"-1\" counter=\"$ctr\"/>";
1941
1942                 $ctr = getCategoryUnread($link, -2);
1943
1944                 print "<counter type=\"category\" id=\"-2\" counter=\"$ctr\"/>";
1945
1946                 $age_qpart = getMaxAgeSubquery();
1947
1948                 $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id)
1949                                 FROM ttrss_user_entries, ttrss_entries WHERE feed_id = ttrss_feeds.id
1950                                         AND id = ref_id AND $age_qpart
1951                                         AND unread = true)) AS unread FROM ttrss_feeds
1952                         WHERE
1953                                 hidden = false AND owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
1954
1955                 while ($line = db_fetch_assoc($result)) {
1956                         $line["cat_id"] = sprintf("%d", $line["cat_id"]);
1957                         print "<counter type=\"category\" id=\"".$line["cat_id"]."\" counter=\"".
1958                                 $line["unread"]."\"/>";
1959                 }
1960         }
1961
1962         function getCategoryUnread($link, $cat) {
1963
1964                 if ($cat >= 0) {
1965
1966                         if ($cat != 0) {
1967                                 $cat_query = "cat_id = '$cat'";
1968                         } else {
1969                                 $cat_query = "cat_id IS NULL";
1970                         }
1971
1972                         $age_qpart = getMaxAgeSubquery();
1973
1974                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
1975                                         AND hidden = false
1976                                         AND owner_uid = " . $_SESSION["uid"]);
1977
1978                         $cat_feeds = array();
1979                         while ($line = db_fetch_assoc($result)) {
1980                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
1981                         }
1982
1983                         if (count($cat_feeds) == 0) return 0;
1984
1985                         $match_part = implode(" OR ", $cat_feeds);
1986
1987                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
1988                                 FROM ttrss_user_entries,ttrss_entries
1989                                 WHERE   unread = true AND ($match_part) AND id = ref_id
1990                                 AND $age_qpart AND owner_uid = " . $_SESSION["uid"]);
1991
1992                         $unread = 0;
1993
1994                         # this needs to be rewritten
1995                         while ($line = db_fetch_assoc($result)) {
1996                                 $unread += $line["unread"];
1997                         }
1998
1999                         return $unread;
2000                 } else if ($cat == -1) {
2001                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3);
2002                 } else if ($cat == -2) {
2003
2004                         $rv = getLabelCounters($link, false, true);
2005                         $ctr = 0;
2006
2007                         foreach (array_keys($rv) as $k) {
2008                                 if ($k < -10) {
2009                                         $ctr += $rv[$k]["counter"];
2010                                 }
2011                         }
2012
2013                         return $ctr;
2014                 }
2015         }
2016
2017         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2018                 if (DB_TYPE == "pgsql") {
2019                         return "ttrss_entries.date_entered >
2020                                 NOW() - INTERVAL '$days days'";
2021                 } else {
2022                         return "ttrss_entries.date_entered >
2023                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2024                 }
2025         }
2026
2027         function getFeedUnread($link, $feed, $is_cat = false) {
2028                 $n_feed = sprintf("%d", $feed);
2029
2030                 $age_qpart = getMaxAgeSubquery();
2031
2032                 if ($is_cat) {
2033                         return getCategoryUnread($link, $n_feed);
2034                 } else if ($n_feed == -1) {
2035                         $match_part = "marked = true";
2036                 } else if ($n_feed == -2) {
2037                         $match_part = "published = true";
2038                 } else if ($n_feed == -3) {
2039                         $match_part = "unread = true";
2040
2041                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2042
2043                         if (DB_TYPE == "pgsql") {
2044                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2045                         } else {
2046                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2047                         }
2048
2049                 } else if ($n_feed > 0) {
2050
2051                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2052                                         WHERE parent_feed = '$n_feed'
2053                                         AND hidden = false
2054                                         AND owner_uid = " . $_SESSION["uid"]);
2055
2056                         if (db_num_rows($result) > 0) {
2057
2058                                 $linked_feeds = array();
2059                                 while ($line = db_fetch_assoc($result)) {
2060                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2061                                 }
2062
2063                                 array_push($linked_feeds, "feed_id = $n_feed");
2064
2065                                 $match_part = implode(" OR ", $linked_feeds);
2066
2067                                 $result = db_query($link, "SELECT COUNT(int_id) AS unread
2068                                         FROM ttrss_user_entries,ttrss_entries
2069                                         WHERE   unread = true AND
2070                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2071                                         $age_qpart AND
2072                                         ($match_part) AND
2073                                         owner_uid = " . $_SESSION["uid"]);
2074
2075                                 $unread = 0;
2076
2077                                 # this needs to be rewritten
2078                                 while ($line = db_fetch_assoc($result)) {
2079                                         $unread += $line["unread"];
2080                                 }
2081
2082                                 return $unread;
2083
2084                         } else {
2085                                 $match_part = "feed_id = '$n_feed'";
2086                         }
2087                 } else if ($feed < -10) {
2088
2089                         $label_id = -$feed - 11;
2090
2091                         $result = db_query($link, "SELECT sql_exp FROM ttrss_labels WHERE
2092                                 id = '$label_id' AND owner_uid = " . $_SESSION["uid"]);
2093
2094                         $match_part = db_fetch_result($result, 0, "sql_exp");
2095                 }
2096
2097                 if ($match_part) {
2098
2099                         $result = db_query($link, "SELECT count(int_id) AS unread
2100                                 FROM ttrss_user_entries,ttrss_feeds,ttrss_entries WHERE
2101                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2102                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2103                                 ttrss_feeds.hidden = false AND
2104                                 $age_qpart AND
2105                                 unread = true AND ($match_part) AND ttrss_user_entries.owner_uid = " . $_SESSION["uid"]);
2106
2107                 } else {
2108
2109                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2110                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2111                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = id
2112                                 AND unread = true AND $age_qpart AND
2113                                         ttrss_tags.owner_uid = " . $_SESSION["uid"]);
2114                 }
2115
2116                 $unread = db_fetch_result($result, 0, "unread");
2117
2118                 return $unread;
2119         }
2120
2121         /* FIXME this needs reworking */
2122
2123         function getGlobalUnread($link, $user_id = false) {
2124
2125                 if (!$user_id) {
2126                         $user_id = $_SESSION["uid"];
2127                 }
2128
2129                 $age_qpart = getMaxAgeSubquery();
2130
2131                 $result = db_query($link, "SELECT count(ttrss_entries.id) as c_id FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2132                         WHERE unread = true AND
2133                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
2134                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2135                         hidden = false AND
2136                         $age_qpart AND
2137                         ttrss_user_entries.owner_uid = '$user_id'");
2138                 $c_id = db_fetch_result($result, 0, "c_id");
2139                 return $c_id;
2140         }
2141
2142         function getGlobalCounters($link, $global_unread = -1) {
2143                 if ($global_unread == -1) {
2144                         $global_unread = getGlobalUnread($link);
2145                 }
2146                 print "<counter type=\"global\" id='global-unread'
2147                         counter='$global_unread'/>";
2148
2149                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2150                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2151
2152                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2153
2154                 print "<counter type=\"global\" id='subscribed-feeds'
2155                         counter='$subscribed_feeds'/>";
2156
2157         }
2158
2159         function getTagCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
2160
2161                 if ($smart_mode) {
2162                         if (!$_SESSION["tctr_last_value"]) {
2163                                 $_SESSION["tctr_last_value"] = array();
2164                         }
2165                 }
2166
2167                 $old_counters = $_SESSION["tctr_last_value"];
2168
2169                 $tctrs_modified = false;
2170
2171 /*              $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
2172                         FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
2173                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2174                         ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
2175                         post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name
2176                 UNION
2177                         select tag_name,0 as count FROM ttrss_tags
2178                         WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
2179
2180                 $age_qpart = getMaxAgeSubquery();
2181
2182                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2183                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2184                                 AND ref_id = id AND $age_qpart
2185                                 AND unread = true)) AS count FROM ttrss_tags
2186                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2187                                 ORDER BY count DESC LIMIT 55");
2188
2189                 $tags = array();
2190
2191                 while ($line = db_fetch_assoc($result)) {
2192                         $tags[$line["tag_name"]] += $line["count"];
2193                 }
2194
2195                 foreach (array_keys($tags) as $tag) {
2196                         $unread = $tags[$tag];
2197
2198                         $tag = htmlspecialchars($tag);
2199
2200                         if (!$smart_mode || $old_counters[$tag] != $unread) {
2201                                 $old_counters[$tag] = $unread;
2202                                 $tctrs_modified = true;
2203                                 print "<counter type=\"tag\" id=\"$tag\" counter=\"$unread\"/>";
2204                         }
2205
2206                 }
2207
2208                 if ($smart_mode && $tctrs_modified) {
2209                         $_SESSION["tctr_last_value"] = $old_counters;
2210                 }
2211
2212         }
2213
2214         function getLabelCounters($link, $smart_mode = SMART_RPC_COUNTERS, $ret_mode = false) {
2215
2216                 $age_qpart = getMaxAgeSubquery();
2217
2218                 if ($smart_mode) {
2219                         if (!$_SESSION["lctr_last_value"]) {
2220                                 $_SESSION["lctr_last_value"] = array();
2221                         }
2222                 }
2223
2224                 $ret_arr = array();
2225
2226                 $old_counters = $_SESSION["lctr_last_value"];
2227                 $lctrs_modified = false;
2228
2229                 $count = getFeedUnread($link, -1);
2230
2231                 if (!$ret_mode) {
2232                         print "<counter type=\"label\" id=\"-1\" counter=\"$count\"/>";
2233                 } else {
2234                         $ret_arr["-1"]["counter"] = $count;
2235                         $ret_arr["-1"]["description"] = __("Starred articles");
2236                 }
2237
2238                 $count = getFeedUnread($link, -2);
2239
2240                 if (!$ret_mode) {
2241                         print "<counter type=\"label\" id=\"-2\" counter=\"$count\"/>";
2242                 } else {
2243                         $ret_arr["-2"]["counter"] = $count;
2244                         $ret_arr["-2"]["description"] = __("Published articles");
2245                 }
2246
2247                 $count = getFeedUnread($link, -3);
2248
2249                 if (!$ret_mode) {
2250                         print "<counter type=\"label\" id=\"-3\" counter=\"$count\"/>";
2251                 } else {
2252                         $ret_arr["-3"]["counter"] = $count;
2253                         $ret_arr["-3"]["description"] = __("Fresh articles");
2254                 }
2255
2256
2257                 $result = db_query($link, "SELECT owner_uid,id,sql_exp,description FROM
2258                         ttrss_labels WHERE owner_uid = ".$_SESSION["uid"]." ORDER by description");
2259
2260                 while ($line = db_fetch_assoc($result)) {
2261
2262                         $id = -$line["id"] - 11;
2263
2264                         $label_name = $line["description"];
2265
2266                         error_reporting (0);
2267
2268                         $tmp_result = db_query($link, "SELECT count(ttrss_entries.id) as count FROM ttrss_user_entries,ttrss_entries,ttrss_feeds
2269                                 WHERE (" . $line["sql_exp"] . ") AND unread = true AND
2270                                 ttrss_feeds.hidden = false AND
2271                                 $age_qpart AND
2272                                 ttrss_user_entries.feed_id = ttrss_feeds.id AND
2273                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2274                                 ttrss_user_entries.owner_uid = ".$_SESSION["uid"]);
2275
2276                         $count = db_fetch_result($tmp_result, 0, "count");
2277
2278                         if (!$smart_mode || $old_counters[$id] != $count) {
2279                                 $old_counters[$id] = $count;
2280                                 $lctrs_modified = true;
2281                                 if (!$ret_mode) {
2282                                         print "<counter type=\"label\" id=\"$id\" counter=\"$count\"/>";
2283                                 } else {
2284                                         $ret_arr[$id]["counter"] = $count;
2285                                         $ret_arr[$id]["description"] = $label_name;
2286                                 }
2287                         }
2288
2289                         error_reporting (DEFAULT_ERROR_LEVEL);
2290                 }
2291
2292                 if ($smart_mode && $lctrs_modified) {
2293                         $_SESSION["lctr_last_value"] = $old_counters;
2294                 }
2295
2296                 return $ret_arr;
2297         }
2298
2299 /*      function getFeedCounter($link, $id) {
2300
2301                 $result = db_query($link, "SELECT
2302                                 count(id) as count,last_error
2303                         FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
2304                         WHERE feed_id = '$id' AND unread = true
2305                         AND ttrss_user_entries.feed_id = ttrss_feeds.id
2306                         AND ttrss_user_entries.ref_id = ttrss_entries.id");
2307
2308                         $count = db_fetch_result($result, 0, "count");
2309                         $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
2310
2311                         print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";
2312         } */
2313
2314         function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS, $active_feed = false) {
2315
2316                 $age_qpart = getMaxAgeSubquery();
2317
2318                 if ($smart_mode) {
2319                         if (!$_SESSION["fctr_last_value"]) {
2320                                 $_SESSION["fctr_last_value"] = array();
2321                         }
2322                 }
2323
2324                 $old_counters = $_SESSION["fctr_last_value"];
2325
2326 /*              $result = db_query($link, "SELECT id,last_error,parent_feed,
2327                         SUBSTRING(last_updated,1,19) AS last_updated,
2328                         (SELECT count(id)
2329                                 FROM ttrss_entries,ttrss_user_entries
2330                                 WHERE feed_id = ttrss_feeds.id AND
2331                                         ttrss_user_entries.ref_id = ttrss_entries.id
2332                                 AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
2333                         FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
2334                         AND parent_feed IS NULL"); */
2335
2336                 $query = "SELECT ttrss_feeds.id,
2337                                 ttrss_feeds.title,
2338                                 SUBSTRING(ttrss_feeds.last_updated,1,19) AS last_updated,
2339                                 last_error,
2340                                 COUNT(ttrss_entries.id) AS count
2341                         FROM ttrss_feeds
2342                                 LEFT JOIN ttrss_user_entries ON (ttrss_user_entries.feed_id = ttrss_feeds.id
2343                                         AND ttrss_user_entries.owner_uid = ttrss_feeds.owner_uid
2344                                         AND ttrss_user_entries.unread = true)
2345                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id AND
2346                                         $age_qpart)
2347                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2348                                 AND parent_feed IS NULL
2349                         GROUP BY ttrss_feeds.id, ttrss_feeds.title, ttrss_feeds.last_updated, last_error";
2350
2351                 $result = db_query($link, $query);
2352                 $fctrs_modified = false;
2353
2354                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2355
2356                 while ($line = db_fetch_assoc($result)) {
2357
2358                         $id = $line["id"];
2359                         $count = $line["count"];
2360                         $last_error = htmlspecialchars($line["last_error"]);
2361
2362                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2363                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2364                         } else {
2365                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2366                         }
2367
2368                         $last_updated = htmlspecialchars($last_updated);
2369
2370                         $has_img = is_file(ICONS_DIR . "/$id.ico");
2371
2372                         $tmp_result = db_query($link,
2373                                 "SELECT ttrss_feeds.id,COUNT(unread) AS unread
2374                                 FROM ttrss_feeds LEFT JOIN ttrss_user_entries
2375                                         ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
2376                                 LEFT JOIN ttrss_entries ON (ttrss_user_entries.ref_id = ttrss_entries.id)
2377                                 WHERE parent_feed = '$id' AND $age_qpart AND unread = true GROUP BY ttrss_feeds.id");
2378
2379                         if (db_num_rows($tmp_result) > 0) {
2380                                 while ($l = db_fetch_assoc($tmp_result)) {
2381                                         $count += $l["unread"];
2382                                 }
2383                         }
2384
2385                         if (!$smart_mode || $old_counters[$id] != $count) {
2386                                 $old_counters[$id] = $count;
2387                                 $fctrs_modified = true;
2388
2389                                 if ($last_error) {
2390                                         $error_part = "error=\"$last_error\"";
2391                                 } else {
2392                                         $error_part = "";
2393                                 }
2394
2395                                 if ($has_img) {
2396                                         $has_img_part = "hi=\"$has_img\"";
2397                                 } else {
2398                                         $has_img_part = "";
2399                                 }
2400
2401                                 if ($active_feed && $id == $active_feed) {
2402                                         $has_title_part = "title=\"" . htmlspecialchars($line["title"]) . "\"";
2403                                 } else {
2404                                         $has_title_part = "";
2405                                 }
2406
2407                                 print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part updated=\"$last_updated\" $has_title_part/>";
2408                         }
2409                 }
2410
2411                 if ($smart_mode && $fctrs_modified) {
2412                         $_SESSION["fctr_last_value"] = $old_counters;
2413                 }
2414         }
2415
2416         function get_script_dt_add() {
2417                 if (strpos(VERSION, ".99") === false) {
2418                         return VERSION;
2419                 } else {
2420                         return time();
2421                 }
2422         }
2423
2424         function get_pgsql_version($link) {
2425                 $result = db_query($link, "SELECT version() AS version");
2426                 $version = split(" ", db_fetch_result($result, 0, "version"));
2427                 return $version[1];
2428         }
2429
2430         function print_error_xml($code, $add_msg = "") {
2431                 global $ERRORS;
2432
2433                 $error_msg = $ERRORS[$code];
2434
2435                 if ($add_msg) {
2436                         $error_msg = "$error_msg; $add_msg";
2437                 }
2438
2439                 print "<rpc-reply>";
2440                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2441                 print "</rpc-reply>";
2442         }
2443
2444         function subscribe_to_feed($link, $feed_link, $cat_id = 0,
2445                         $auth_login = '', $auth_pass = '') {
2446
2447                 # check for feed:http://url
2448                 $feed_link = trim(preg_replace("/^feed:/", "", $feed_link));
2449
2450                 # check for feed://URL
2451                 if (strpos($feed_link, "//") === 0) {
2452                         $feed_link = "http:$feed_link";
2453                 }
2454
2455                 if ($feed_link == "") return;
2456
2457                 if ($cat_id == "0" || !$cat_id) {
2458                         $cat_qpart = "NULL";
2459                 } else {
2460                         $cat_qpart = "'$cat_id'";
2461                 }
2462
2463                 $result = db_query($link,
2464                         "SELECT id FROM ttrss_feeds
2465                         WHERE feed_url = '$feed_link' AND owner_uid = ".$_SESSION["uid"]);
2466
2467                 if (db_num_rows($result) == 0) {
2468
2469                         $result = db_query($link,
2470                                 "INSERT INTO ttrss_feeds
2471                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2472                                 VALUES ('".$_SESSION["uid"]."', '$feed_link',
2473                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2474
2475                         $result = db_query($link,
2476                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link'
2477                                         AND owner_uid = " . $_SESSION["uid"]);
2478
2479                         $feed_id = db_fetch_result($result, 0, "id");
2480
2481                         if ($feed_id) {
2482                                 update_rss_feed($link, $feed_link, $feed_id, true);
2483                         }
2484
2485                         return true;
2486                 } else {
2487                         return false;
2488                 }
2489         }
2490
2491         function print_feed_select($link, $id, $default_id = "",
2492                 $attributes = "", $include_all_feeds = true) {
2493
2494                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2495                 if ($include_all_feeds) {
2496                         print "<option value=\"0\">".__('All feeds')."</option>";
2497                 }
2498
2499                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2500                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2501
2502                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2503                         print "<option disabled>--------</option>";
2504                 }
2505
2506                 while ($line = db_fetch_assoc($result)) {
2507                         if ($line["id"] == $default_id) {
2508                                 $is_selected = "selected";
2509                         } else {
2510                                 $is_selected = "";
2511                         }
2512                         printf("<option $is_selected value='%d'>%s</option>",
2513                                 $line["id"], htmlspecialchars($line["title"]));
2514                 }
2515
2516                 print "</select>";
2517         }
2518
2519         function print_feed_cat_select($link, $id, $default_id = "",
2520                 $attributes = "", $include_all_cats = true) {
2521
2522                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2523
2524                 if ($include_all_cats) {
2525                         print "<option value=\"0\">".__('Uncategorized')."</option>";
2526                 }
2527
2528                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
2529                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2530
2531                 if (db_num_rows($result) > 0 && $include_all_cats) {
2532                         print "<option disabled>--------</option>";
2533                 }
2534
2535                 while ($line = db_fetch_assoc($result)) {
2536                         if ($line["id"] == $default_id) {
2537                                 $is_selected = "selected";
2538                         } else {
2539                                 $is_selected = "";
2540                         }
2541                         printf("<option $is_selected value='%d'>%s</option>",
2542                                 $line["id"], htmlspecialchars($line["title"]));
2543                 }
2544
2545                 print "</select>";
2546         }
2547
2548         function checkbox_to_sql_bool($val) {
2549                 return ($val == "on") ? "true" : "false";
2550         }
2551
2552         function getFeedCatTitle($link, $id) {
2553                 if ($id == -1) {
2554                         return __("Special");
2555                 } else if ($id < -10) {
2556                         return __("Labels");
2557                 } else if ($id > 0) {
2558                         $result = db_query($link, "SELECT ttrss_feed_categories.title
2559                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
2560                                         cat_id = ttrss_feed_categories.id");
2561                         if (db_num_rows($result) == 1) {
2562                                 return db_fetch_result($result, 0, "title");
2563                         } else {
2564                                 return __("Uncategorized");
2565                         }
2566                 } else {
2567                         return "getFeedCatTitle($id) failed";
2568                 }
2569
2570         }
2571
2572         function getFeedTitle($link, $id) {
2573                 if ($id == -1) {
2574                         return __("Starred articles");
2575                 } else if ($id == -2) {
2576                         return __("Published articles");
2577                 } else if ($id == -3) {
2578                         return __("Fresh articles");
2579                 } else if ($id < -10) {
2580                         $label_id = -10 - $id;
2581                         $result = db_query($link, "SELECT description FROM ttrss_labels WHERE id = '$label_id'");
2582                         if (db_num_rows($result) == 1) {
2583                                 return db_fetch_result($result, 0, "description");
2584                         } else {
2585                                 return "Unknown label ($label_id)";
2586                         }
2587
2588                 } else if ($id > 0) {
2589                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
2590                         if (db_num_rows($result) == 1) {
2591                                 return db_fetch_result($result, 0, "title");
2592                         } else {
2593                                 return "Unknown feed ($id)";
2594                         }
2595                 } else {
2596                         return "getFeedTitle($id) failed";
2597                 }
2598
2599         }
2600
2601         function get_session_cookie_name() {
2602                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
2603         }
2604
2605         function print_init_params($link) {
2606                 print "<init-params>";
2607                 if ($_SESSION["stored-params"]) {
2608                         foreach (array_keys($_SESSION["stored-params"]) as $key) {
2609                                 if ($key) {
2610                                         $value = htmlspecialchars($_SESSION["stored-params"][$key]);
2611                                         print "<param key=\"$key\" value=\"$value\"/>";
2612                                 }
2613                         }
2614                 }
2615
2616                 print "<param key=\"daemon_enabled\" value=\"" . ENABLE_UPDATE_DAEMON . "\"/>";
2617                 print "<param key=\"feeds_frame_refresh\" value=\"" . FEEDS_FRAME_REFRESH . "\"/>";
2618                 print "<param key=\"daemon_refresh_only\" value=\"" . DAEMON_REFRESH_ONLY . "\"/>";
2619
2620                 print "<param key=\"on_catchup_show_next_feed\" value=\"" .
2621                         get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
2622
2623                 print "<param key=\"hide_read_feeds\" value=\"" .
2624                         (int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
2625
2626                 print "<param key=\"feeds_sort_by_unread\" value=\"" .
2627                         (int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
2628
2629                 print "<param key=\"confirm_feed_catchup\" value=\"" .
2630                         (int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
2631
2632                 print "<param key=\"cdm_auto_catchup\" value=\"" .
2633                         (int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
2634
2635                 print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
2636
2637                 print "<param key=\"cookie_lifetime\" value=\"" . SESSION_COOKIE_LIFETIME . "\"/>";
2638
2639                 print "<param key=\"default_view_mode\" value=\"" .
2640                         get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
2641
2642                 print "<param key=\"default_view_limit\" value=\"" .
2643                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
2644
2645                 print "<param key=\"prefs_active_tab\" value=\"" .
2646                         get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
2647
2648                 print "<param key=\"infobox_disable_overlay\" value=\"" .
2649                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
2650
2651                 print "<param key=\"icons_location\" value=\"" .
2652                         ICONS_URL . "\"/>";
2653
2654                 print "</init-params>";
2655         }
2656
2657         function print_runtime_info($link) {
2658                 print "<runtime-info>";
2659                 if (ENABLE_UPDATE_DAEMON) {
2660                         print "<param key=\"daemon_is_running\" value=\"".
2661                                 sprintf("%d", file_is_locked("update_daemon.lock")) . "\"/>";
2662
2663                         if ($_SESSION["daemon_stamp_check"] + 600 < time()) {
2664
2665                                 $stamp = (int)read_stampfile("update_daemon.stamp");
2666
2667                                 if ($stamp) {
2668                                         if ($stamp + 86400*3 < time()) {
2669                                                 print "<param key=\"daemon_stamp_ok\" value=\"0\"/>";
2670                                         } else {
2671                                                 print "<param key=\"daemon_stamp_ok\" value=\"1\"/>";
2672                                         }
2673
2674                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
2675
2676                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
2677                                 }
2678
2679                                 $_SESSION["daemon_stamp_check"] = time();
2680                         }
2681                 }
2682
2683                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
2684
2685                         if ($_SESSION["last_version_check"] + 7200 < time()) {
2686                                 $new_version_details = check_for_update($link);
2687
2688                                 print "<param key=\"new_version_available\" value=\"".
2689                                         sprintf("%d", $new_version_details != ""). "\"/>";
2690
2691                                 $_SESSION["last_version_check"] = time();
2692                         }
2693                 }
2694
2695 //              print "<param key=\"new_version_available\" value=\"1\"/>";
2696
2697                 print "</runtime-info>";
2698         }
2699
2700         function getSearchSql($search, $match_on) {
2701
2702                 $search_query_part = "";
2703
2704                 $keywords = split(" ", $search);
2705                 $query_keywords = array();
2706
2707                 if ($match_on == "both") {
2708
2709                         foreach ($keywords as $k) {
2710                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%')
2711                                         OR UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2712                         }
2713
2714                         $search_query_part = implode("AND", $query_keywords) . " AND ";
2715
2716                 } else if ($match_on == "title") {
2717
2718                         foreach ($keywords as $k) {
2719                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) LIKE UPPER('%$k%'))");
2720                         }
2721
2722                         $search_query_part = implode("AND", $query_keywords) . " AND ";
2723
2724                 } else if ($match_on == "content") {
2725
2726                         foreach ($keywords as $k) {
2727                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) LIKE UPPER('%$k%'))");
2728                         }
2729                 }
2730
2731                 $search_query_part = implode("AND", $query_keywords);
2732
2733                 return $search_query_part;
2734         }
2735
2736         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
2737
2738                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2739
2740                         if ($search) {
2741
2742                                 $search_query_part = getSearchSql($search, $match_on);
2743                                 $search_query_part .= " AND ";
2744
2745                         } else {
2746                                 $search_query_part = "";
2747                         }
2748
2749                         $view_query_part = "";
2750
2751                         if ($view_mode == "adaptive") {
2752                                 if ($search) {
2753                                         $view_query_part = " ";
2754                                 } else if ($feed != -1) {
2755                                         $unread = getFeedUnread($link, $feed, $cat_view);
2756                                         if ($unread > 0) {
2757                                                 $view_query_part = " unread = true AND ";
2758                                         }
2759                                 }
2760                         }
2761
2762                         if ($view_mode == "marked") {
2763                                 $view_query_part = " marked = true AND ";
2764                         }
2765
2766                         if ($view_mode == "unread") {
2767                                 $view_query_part = " unread = true AND ";
2768                         }
2769
2770                         if ($limit > 0) {
2771                                 $limit_query_part = "LIMIT " . $limit;
2772                         }
2773
2774                         $vfeed_query_part = "";
2775
2776                         // override query strategy and enable feed display when searching globally
2777                         if ($search && $search_mode == "all_feeds") {
2778                                 $query_strategy_part = "ttrss_entries.id > 0";
2779                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2780                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
2781                                 $query_strategy_part = "ttrss_entries.id > 0";
2782                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
2783                                         id = feed_id) as feed_title,";
2784                         } else if ($feed >= 0 && $search && $search_mode == "this_cat") {
2785
2786                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2787
2788                                 $tmp_result = false;
2789
2790                                 if ($cat_view) {
2791                                         $tmp_result = db_query($link, "SELECT id
2792                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
2793                                 } else {
2794                                         $tmp_result = db_query($link, "SELECT id
2795                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
2796                                                         WHERE id = '$feed') AND id != '$feed'");
2797                                 }
2798
2799                                 $cat_siblings = array();
2800
2801                                 if (db_num_rows($tmp_result) > 0) {
2802                                         while ($p = db_fetch_assoc($tmp_result)) {
2803                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
2804                                         }
2805
2806                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2807                                                 $feed, implode(" OR ", $cat_siblings));
2808
2809                                 } else {
2810                                         $query_strategy_part = "ttrss_entries.id > 0";
2811                                 }
2812
2813                         } else if ($feed >= 0) {
2814
2815                                 if ($cat_view) {
2816
2817                                         if ($feed > 0) {
2818                                                 $query_strategy_part = "cat_id = '$feed'";
2819                                         } else {
2820                                                 $query_strategy_part = "cat_id IS NULL";
2821                                         }
2822
2823                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2824
2825                                 } else {
2826                                         $tmp_result = db_query($link, "SELECT id
2827                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2828                                                 ORDER BY cat_id,title");
2829
2830                                         $parent_ids = array();
2831
2832                                         if (db_num_rows($tmp_result) > 0) {
2833                                                 while ($p = db_fetch_assoc($tmp_result)) {
2834                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2835                                                 }
2836
2837                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
2838                                                         $feed, implode(" OR ", $parent_ids));
2839
2840                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2841                                         } else {
2842                                                 $query_strategy_part = "feed_id = '$feed'";
2843                                         }
2844                                 }
2845                         } else if ($feed == -1) { // starred virtual feed
2846                                 $query_strategy_part = "marked = true";
2847                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2848                         } else if ($feed == -2) { // published virtual feed
2849                                 $query_strategy_part = "published = true";
2850                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2851                         } else if ($feed == -3) { // fresh virtual feed
2852                                 $query_strategy_part = "unread = true";
2853
2854                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2855
2856                                 if (DB_TYPE == "pgsql") {
2857                                         $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
2858                                 } else {
2859                                         $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2860                                 }
2861
2862                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2863                         } else if ($feed <= -10) { // labels
2864                                 $label_id = -$feed - 11;
2865
2866                                 $tmp_result = db_query($link, "SELECT sql_exp FROM ttrss_labels
2867                                         WHERE id = '$label_id'");
2868
2869                                 $query_strategy_part = db_fetch_result($tmp_result, 0, "sql_exp");
2870
2871                                 if (!$query_strategy_part) {
2872                                         return false;
2873                                 }
2874
2875                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
2876                         } else {
2877                                 $query_strategy_part = "id > 0"; // dumb
2878                         }
2879
2880                         if (get_pref($link, 'REVERSE_HEADLINES')) {
2881                                 $order_by = "updated";
2882                         } else {
2883                                 $order_by = "updated DESC";
2884                         }
2885
2886                         if ($override_order) {
2887                                 $order_by = $override_order;
2888                         }
2889
2890                         $feed_title = "";
2891
2892                         if ($search && $search_mode == "all_feeds") {
2893                                 $feed_title = __("Search results")." ($search)";
2894                         } else if ($search && preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2895                                 $feed_title = __("Search results")." ($search, $feed)";
2896                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) == false) {
2897                                 $feed_title = $feed;
2898                         } else if (preg_match('/^-?[0-9][0-9]*$/', $feed) != false && $feed >= 0) {
2899
2900                                 if ($cat_view) {
2901
2902                                         if ($feed != 0) {
2903                                                 $result = db_query($link, "SELECT title FROM ttrss_feed_categories
2904                                                         WHERE id = '$feed' AND owner_uid = $owner_uid");
2905                                                 $feed_title = db_fetch_result($result, 0, "title");
2906                                         } else {
2907                                                 $feed_title = __("Uncategorized");
2908                                         }
2909
2910                                         if ($search) {
2911                                                 $feed_title = __("Searched for")." $search ($feed_title)";
2912                                         }
2913
2914                                 } else {
2915
2916                                         $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds
2917                                                 WHERE id = '$feed' AND owner_uid = $owner_uid");
2918
2919                                         $feed_title = db_fetch_result($result, 0, "title");
2920                                         $feed_site_url = db_fetch_result($result, 0, "site_url");
2921                                         $last_error = db_fetch_result($result, 0, "last_error");
2922
2923                                         if ($search) {
2924                                                 $feed_title = __("Searched for") . " $search ($feed_title)";
2925                                         }
2926                                 }
2927
2928                         } else if ($feed == -1) {
2929                                 $feed_title = __("Starred articles");
2930                         } else if ($feed == -2) {
2931                                 $feed_title = __("Published articles");
2932                         } else if ($feed == -3) {
2933                                 $feed_title = __("Fresh articles");
2934                         } else if ($feed < -10) {
2935                                 $label_id = -$feed - 11;
2936                                 $result = db_query($link, "SELECT description FROM ttrss_labels
2937                                         WHERE id = '$label_id'");
2938                                 $feed_title = db_fetch_result($result, 0, "description");
2939
2940                                 if ($search) {
2941                                         $feed_title = __("Searched for") . " $search ($feed_title)";
2942                                 }
2943                         } else {
2944                                 $feed_title = "?";
2945                         }
2946
2947                         if ($feed < -10) error_reporting (0);
2948
2949                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2950
2951                                 if ($feed >= 0) {
2952                                         $feed_kind = "Feeds";
2953                                 } else {
2954                                         $feed_kind = "Labels";
2955                                 }
2956
2957                                 $content_query_part = "content as content_preview,";
2958
2959                                 if ($limit_query_part) {
2960                                         $offset_query_part = "OFFSET $offset";
2961                                 }
2962
2963                                 $query = "SELECT
2964                                                 guid,
2965                                                 ttrss_entries.id,ttrss_entries.title,
2966                                                 updated,
2967                                                 unread,feed_id,marked,published,link,last_read,
2968                                                 SUBSTRING(last_read,1,19) as last_read_noms,
2969                                                 $vfeed_query_part
2970                                                 $content_query_part
2971                                                 SUBSTRING(updated,1,19) as updated_noms,
2972                                                 author
2973                                         FROM
2974                                                 ttrss_entries,ttrss_user_entries,ttrss_feeds
2975                                         WHERE
2976                                         ttrss_feeds.hidden = false AND
2977                                         ttrss_user_entries.feed_id = ttrss_feeds.id AND
2978                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2979                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
2980                                         $search_query_part
2981                                         $view_query_part
2982                                         $query_strategy_part ORDER BY $order_by
2983                                         $limit_query_part $offset_query_part";
2984
2985                                 $result = db_query($link, $query);
2986
2987                                 if ($_GET["debug"]) print $query;
2988
2989                         } else {
2990                                 // browsing by tag
2991
2992                                 $feed_kind = "Tags";
2993
2994                                 $result = db_query($link, "SELECT
2995                                         guid,
2996                                         ttrss_entries.id as id,title,
2997                                         updated,
2998                                         unread,feed_id,
2999                                         marked,link,last_read,
3000                                         SUBSTRING(last_read,1,19) as last_read_noms,
3001                                         $vfeed_query_part
3002                                         $content_query_part
3003                                         SUBSTRING(updated,1,19) as updated_noms
3004                                         FROM
3005                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3006                                         WHERE
3007                                                 ref_id = ttrss_entries.id AND
3008                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3009                                                 post_int_id = int_id AND tag_name = '$feed' AND
3010                                                 $view_query_part
3011                                                 $search_query_part
3012                                                 $query_strategy_part ORDER BY $order_by
3013                                         $limit_query_part");
3014                         }
3015
3016                         return array($result, $feed_title, $feed_site_url, $last_error);
3017
3018         }
3019
3020         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3021                 $search, $search_mode, $match_on) {
3022
3023                 $qfh_ret = queryFeedHeadlines($link, $feed,
3024                         30, false, $is_cat, $search, $search_mode, $match_on, "updated DESC", 0,
3025                         $owner_uid);
3026
3027                 $result = $qfh_ret[0];
3028                 $feed_title = htmlspecialchars($qfh_ret[1]);
3029                 $feed_site_url = $qfh_ret[2];
3030                 $last_error = $qfh_ret[3];
3031
3032 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3033
3034                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3035                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3036                         <rss version=\"2.0\">
3037                         <channel>
3038                         <title>$feed_title</title>
3039                         <link>$feed_site_url</link>
3040                         <description>Feed generated by Tiny Tiny RSS</description>";
3041
3042                 while ($line = db_fetch_assoc($result)) {
3043                         print "<item>";
3044                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3045                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3046
3047                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3048
3049                         foreach ($tags as $tag) {
3050                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3051                         }
3052
3053                         $rfc822_date = date('r', strtotime($line["updated"]));
3054
3055                         print "<pubDate>$rfc822_date</pubDate>";
3056
3057                         print "<title>" .
3058                                 htmlspecialchars($line["title"]) . "</title>";
3059
3060                         print "<description><![CDATA[" .
3061                                 $line["content_preview"] . "]]></description>";
3062
3063                         print "</item>";
3064                 }
3065
3066                 print "</channel></rss>";
3067
3068         }
3069
3070         function getCategoryTitle($link, $cat_id) {
3071
3072                 if ($cat_id == -1) {
3073                         return __("Special");
3074                 } else if ($cat_id == -2) {
3075                         return __("Labels");
3076                 } else {
3077
3078                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3079                                 id = '$cat_id'");
3080
3081                         if (db_num_rows($result) == 1) {
3082                                 return db_fetch_result($result, 0, "title");
3083                         } else {
3084                                 return "Uncategorized";
3085                         }
3086                 }
3087         }
3088
3089         // http://ru2.php.net/strip-tags
3090
3091         function strip_tags_long($textstring, $allowed){
3092         while($textstring != strip_tags($textstring, $allowed))
3093     {
3094     while (strlen($textstring) != 0)
3095          {
3096          if (strlen($textstring) > 1024) {
3097               $otherlen = 1024;
3098          } else {
3099               $otherlen = strlen($textstring);
3100          }
3101          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3102          $safetext .= $temptext;
3103          $textstring = substr_replace($textstring,'',0,$otherlen);
3104          }
3105     $textstring = $safetext;
3106     }
3107         return $textstring;
3108         }
3109
3110
3111         function sanitize_rss($link, $str, $force_strip_tags = false) {
3112                 $res = $str;
3113
3114                 if (get_pref($link, "STRIP_UNSAFE_TAGS") || $force_strip_tags) {
3115                         global $tw_parser;
3116                         global $tw_paranoya_setup;
3117
3118                         $res = $tw_parser->strip_tags($res, $tw_paranoya_setup);
3119
3120 //                      $res = preg_replace("/\r\n|\n|\r/", "", $res);
3121 //                      $res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");
3122                 }
3123
3124                 return $res;
3125         }
3126
3127         function send_headlines_digests($link, $limit = 100) {
3128
3129                 if (!DIGEST_ENABLE) return false;
3130
3131                 $user_limit = DIGEST_EMAIL_LIMIT;
3132                 $days = 1;
3133
3134                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3135
3136                 if (DB_TYPE == "pgsql") {
3137                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3138                 } else if (DB_TYPE == "mysql") {
3139                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3140                 }
3141
3142                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3143                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3144
3145                 while ($line = db_fetch_assoc($result)) {
3146                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3147                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3148
3149                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3150                                 $digest = $tuple[0];
3151                                 $headlines_count = $tuple[1];
3152
3153                                 if ($headlines_count > 0) {
3154                                         $rc = mail($line["login"] . " <" . $line["email"] . ">",
3155                                                 "[tt-rss] New headlines for last 24 hours", $digest,
3156                                                 "From: " . MAIL_FROM . "\n".
3157                                                 "Content-Type: text/plain; charset=\"utf-8\"\n".
3158                                                 "Content-Transfer-Encoding: 8bit\n");
3159                                         print "RC=$rc\n";
3160                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3161                                                         WHERE id = " . $line["id"]);
3162                                 } else {
3163                                         print "No headlines\n";
3164                                 }
3165                         }
3166                 }
3167
3168 //              $digest = prepare_headlines_digest($link, $user_id, $days, $limit);
3169
3170         }
3171
3172         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3173                 $tmp =  __("New headlines for last 24 hours, as of ") . date("Y/m/d H:m") . "\n";
3174                 $tmp .= "=======================================================\n\n";
3175
3176                 if (DB_TYPE == "pgsql") {
3177                         $interval_query = "ttrss_entries.date_entered > NOW() - INTERVAL '$days days'";
3178                 } else if (DB_TYPE == "mysql") {
3179                         $interval_query = "ttrss_entries.date_entered > DATE_SUB(NOW(), INTERVAL $days DAY)";
3180                 }
3181
3182                 $result = db_query($link, "SELECT ttrss_entries.title,
3183                                 ttrss_feeds.title AS feed_title,
3184                                 date_entered,
3185                                 link,
3186                                 SUBSTRING(last_updated,1,19) AS last_updated
3187                         FROM
3188                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3189                         WHERE
3190                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3191                                 AND include_in_digest = true
3192                                 AND $interval_query
3193                                 AND ttrss_user_entries.owner_uid = $user_id
3194                                 AND unread = true ORDER BY ttrss_feeds.title, date_entered DESC
3195                         LIMIT $limit");
3196
3197                 $cur_feed_title = "";
3198
3199                 $headlines_count = db_num_rows($result);
3200
3201                 while ($line = db_fetch_assoc($result)) {
3202                         $updated = smart_date_time(strtotime($line["last_updated"]));
3203                         $feed_title = $line["feed_title"];
3204
3205                         if ($cur_feed_title != $feed_title) {
3206                                 $cur_feed_title = $feed_title;
3207
3208                                 $tmp .= "$feed_title\n\n";
3209                         }
3210
3211                         $tmp .= " * " . trim($line["title"]) . " - $updated\n";
3212                         $tmp .= "   " . trim($line["link"]) . "\n";
3213                         $tmp .= "\n";
3214                 }
3215
3216                 $tmp .= "--- \n";
3217                 $tmp .= __("You have been sent this email because you have enabled daily digests in Tiny Tiny RSS at ") .
3218                         DIGEST_HOSTNAME . "\n".
3219                         __("To unsubscribe, visit your configuration options or contact instance owner.\n");
3220
3221
3222                 return array($tmp, $headlines_count);
3223         }
3224
3225         function check_for_update($link, $brief_fmt = true) {
3226                 $releases_feed = "http://tt-rss.spb.ru/releases.rss";
3227
3228                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3229                         return;
3230                 }
3231
3232                 error_reporting(0);
3233                 if (ENABLE_SIMPLEPIE) {
3234                         $rss = new SimplePie();
3235                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3236                         $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3237                         $rss->set_feed_url($fetch_url);
3238                         $rss->set_output_encoding('UTF-8');
3239                         $rss->init();
3240                 } else {
3241                         $rss = fetch_rss($releases_feed);
3242                 }
3243                 error_reporting (DEFAULT_ERROR_LEVEL);
3244
3245                 if ($rss) {
3246
3247                         if (ENABLE_SIMPLEPIE) {
3248                                 $items = $rss->get_items();
3249                         } else {
3250                                 $items = $rss->items;
3251
3252                                 if (!$items || !is_array($items)) $items = $rss->entries;
3253                                 if (!$items || !is_array($items)) $items = $rss;
3254                         }
3255
3256                         if (!is_array($items) || count($items) == 0) {
3257                                 return;
3258                         }
3259
3260                         $latest_item = $items[0];
3261
3262                         if (ENABLE_SIMPLEPIE) {
3263                                 $last_title = $latest_item->get_title();
3264                         } else {
3265                                 $last_title = $latest_item["title"];
3266                         }
3267
3268                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3269
3270                         if (ENABLE_SIMPLEPIE) {
3271                                 $release_url = sanitize_rss($link, $latest_item->get_link());
3272                                 $content = sanitize_rss($link, $latest_item->get_description());
3273                         } else {
3274                                 $release_url = sanitize_rss($link, $latest_item["link"]);
3275                                 $content = sanitize_rss($link, $latest_item["description"]);
3276                         }
3277
3278                         if (version_compare(VERSION, $latest_version) == -1) {
3279                                 if ($brief_fmt) {
3280                                         return format_notice("<a href=\"javascript:showBlockElement('milestoneDetails')\">
3281                                                 New version of Tiny-Tiny RSS ($latest_version) is available (click for details)</a>
3282                                                 <div id=\"milestoneDetails\">$content</div>");
3283                                 } else {
3284                                         return "New version of Tiny-Tiny RSS ($latest_version) is available:
3285                                                 <div class='milestoneDetails'>$content</div>
3286                                                 Visit <a target=\"_new\" href=\"http://tt-rss.spb.ru/\">official site</a> for
3287                                                 download and update information.";
3288                                 }
3289
3290                         }
3291                 }
3292         }
3293
3294         function markArticlesById($link, $ids, $cmode) {
3295
3296                 $tmp_ids = array();
3297
3298                 foreach ($ids as $id) {
3299                         array_push($tmp_ids, "ref_id = '$id'");
3300                 }
3301
3302                 $ids_qpart = join(" OR ", $tmp_ids);
3303
3304                 if ($cmode == 0) {
3305                         db_query($link, "UPDATE ttrss_user_entries SET
3306                         marked = false,last_read = NOW()
3307                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3308                 } else if ($cmode == 1) {
3309                         db_query($link, "UPDATE ttrss_user_entries SET
3310                         marked = true
3311                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3312                 } else {
3313                         db_query($link, "UPDATE ttrss_user_entries SET
3314                         marked = NOT marked,last_read = NOW()
3315                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3316                 }
3317         }
3318
3319         function publishArticlesById($link, $ids, $cmode) {
3320
3321                 $tmp_ids = array();
3322
3323                 foreach ($ids as $id) {
3324                         array_push($tmp_ids, "ref_id = '$id'");
3325                 }
3326
3327                 $ids_qpart = join(" OR ", $tmp_ids);
3328
3329                 if ($cmode == 0) {
3330                         db_query($link, "UPDATE ttrss_user_entries SET
3331                         published = false,last_read = NOW()
3332                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3333                 } else if ($cmode == 1) {
3334                         db_query($link, "UPDATE ttrss_user_entries SET
3335                         published = true
3336                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3337                 } else {
3338                         db_query($link, "UPDATE ttrss_user_entries SET
3339                         published = NOT published,last_read = NOW()
3340                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3341                 }
3342         }
3343
3344         function catchupArticlesById($link, $ids, $cmode) {
3345
3346                 $tmp_ids = array();
3347
3348                 foreach ($ids as $id) {
3349                         array_push($tmp_ids, "ref_id = '$id'");
3350                 }
3351
3352                 $ids_qpart = join(" OR ", $tmp_ids);
3353
3354                 if ($cmode == 0) {
3355                         db_query($link, "UPDATE ttrss_user_entries SET
3356                         unread = false,last_read = NOW()
3357                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3358                 } else if ($cmode == 1) {
3359                         db_query($link, "UPDATE ttrss_user_entries SET
3360                         unread = true
3361                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3362                 } else {
3363                         db_query($link, "UPDATE ttrss_user_entries SET
3364                         unread = NOT unread,last_read = NOW()
3365                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
3366                 }
3367         }
3368
3369         function catchupArticleById($link, $id, $cmode) {
3370
3371                 if ($cmode == 0) {
3372                         db_query($link, "UPDATE ttrss_user_entries SET
3373                         unread = false,last_read = NOW()
3374                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3375                 } else if ($cmode == 1) {
3376                         db_query($link, "UPDATE ttrss_user_entries SET
3377                         unread = true
3378                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3379                 } else {
3380                         db_query($link, "UPDATE ttrss_user_entries SET
3381                         unread = NOT unread,last_read = NOW()
3382                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
3383                 }
3384         }
3385
3386         function make_guid_from_title($title) {
3387                 return preg_replace("/[ \"\',.:;]/", "-",
3388                         mb_strtolower(strip_tags($title), 'utf-8'));
3389         }
3390
3391         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
3392                         $bottom = false, $rtl_content = false, $feed_id = 0,
3393                         $is_cat = false, $search = false, $match_on = false,
3394                         $search_mode = false, $offset = 0, $limit = 0) {
3395
3396                         $user_page_offset = $offset + 1;
3397
3398                         if (!$bottom) {
3399                                 $class = "headlinesSubToolbar";
3400                                 $tid = "headlineActionsTop";
3401                         } else {
3402                                 $class = "headlinesSubToolbar";
3403                                 $tid = "headlineActionsBottom";
3404                         }
3405
3406                         print "<table class=\"$class\" id=\"$tid\"
3407                                 width=\"100%\" cellspacing=\"0\" cellpadding=\"0\"><tr>";
3408
3409                         if ($rtl_content) {
3410                                 $rtl_cpart = "RTL";
3411                         } else {
3412                                 $rtl_cpart = "";
3413                         }
3414
3415                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
3416                         $page_next_link = "javascript:viewFeedGoPage(1)";
3417                         $page_first_link = "javascript:viewFeedGoPage(0)";
3418
3419                         $catchup_page_link = "javascript:catchupPage()";
3420                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
3421                         $catchup_sel_link = "javascript:catchupSelection()";
3422
3423                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
3424
3425                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
3426                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
3427                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
3428
3429                                 $tog_unread_link = "javascript:selectionToggleUnread()";
3430                                 $tog_marked_link = "javascript:selectionToggleMarked()";
3431                                 $tog_published_link = "javascript:selectionTogglePublished()";
3432
3433                         } else {
3434
3435                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
3436                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
3437                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
3438
3439                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
3440                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
3441                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
3442
3443                         }
3444
3445                         if (strpos($_SESSION["client.userAgent"], "MSIE") === false) {
3446
3447                                 print "<td class=\"headlineActions$rtl_cpart\">
3448                                         <ul class=\"headlineDropdownMenu\">
3449                                         <li class=\"top2\">
3450                                         ".__('Select:')."
3451                                                 <a href=\"$sel_all_link\">".__('All')."</a>,
3452                                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3453                                                 <a href=\"$sel_none_link\">".__('None')."</a></li>
3454                                         <li class=\"vsep\">&nbsp;</li>
3455                                         <li class=\"top\">".__('Toggle')."<ul>
3456                                                 <li onclick=\"$tog_unread_link\">".__('Unread')."</li>
3457                                                 <li onclick=\"$tog_marked_link\">".__('Starred')."</li>
3458                                                 <li onclick=\"$tog_published_link\">".__('Published')."</li>
3459                                                 </ul></li>
3460                                         <li class=\"vsep\">&nbsp;</li>
3461                                         <li class=\"top\"><a href=\"$catchup_page_link\">".__('Mark as read')."</a><ul>
3462                                                 <li onclick=\"$catchup_sel_link\">".__('Selection')."</li>
3463                                                 <!-- <li onclick=\"$catchup_page_link\">".__('This page')."</li> -->
3464                                                 <li><span class=\"insensitive\">--------</span></li>
3465                                                 <li onclick=\"catchupRelativeToArticle(0)\">".__("Above active article")."</li>
3466                                                 <li onclick=\"catchupRelativeToArticle(1)\">".__("Below active article")."</li>
3467                                                 <li><span class=\"insensitive\">--------</span></li>
3468                                                 <li onclick=\"$catchup_feed_link\">".__('Entire feed')."</li></ul></li>
3469                                         ";
3470
3471                                         $enable_pagination = get_pref($link, "_PREFS_ENABLE_PAGINATION");
3472
3473                                         if ($limit != 0 && !$search && $enable_pagination) {
3474                                                 print "
3475                                                 <li class=\"vsep\">&nbsp;</li>
3476                                                 <li class=\"top\"><a href=\"$page_next_link\">".__('Next page')."</a><ul>
3477                                                         <li onclick=\"$page_prev_link\">".__('Previous page')."</li>
3478                                                         <li onclick=\"$page_first_link\">".__('First page')."</li></ul></li>
3479                                                         </ul>";
3480                                                 }
3481
3482                                         if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3483                                                 print "
3484                                                         <li class=\"vsep\">&nbsp;</li>
3485                                                         <li class=\"top3\">
3486                                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3487                                                                 '$match_on', '$feed_id', '$is_cat');\">
3488                                                                 ".__('Convert to label')."</a></td>";
3489                                         }
3490                                         print "
3491                                         </td>";
3492
3493                         } else {
3494                         // old style subtoolbar:
3495
3496                                 print "<td class=\"headlineActions$rtl_cpart\">".
3497                                         __('Select:')."
3498                                                                 <a href=\"$sel_all_link\">".__('All')."</a>,
3499                                                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
3500                                                                 <a href=\"$sel_none_link\">".__('None')."</a>
3501                                                 &nbsp;&nbsp;".
3502                                                 __('Toggle:')." <a href=\"$tog_unread_link\">".__('Unread')."</a>,
3503                                                         <a href=\"$tog_marked_link\">".__('Starred')."</a>
3504                                                 &nbsp;&nbsp;".
3505                                                 __('Mark as read:')."
3506                                                         <a href=\"#\" onclick=\"$catchup_page_link\">".__('Page')."</a>,
3507                                                         <a href=\"#\" onclick=\"$catchup_feed_link\">".__('Feed')."</a>";
3508
3509                                 if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3510
3511                                         print "&nbsp;&nbsp;
3512                                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3513                                                                 '$match_on', '$feed_id', '$is_cat');\">
3514                                                         ".__('Convert to label')."</a>";
3515                                 }
3516
3517                                 print "</td>";
3518
3519                         }
3520
3521 /*                      if ($search && $feed_id >= 0 && get_pref($link, 'ENABLE_LABELS') && GLOBAL_ENABLE_LABELS) {
3522                                 print "<td class=\"headlineActions$rtl_cpart\">
3523                                         <a href=\"javascript:labelFromSearch('$search', '$search_mode',
3524                                                         '$match_on', '$feed_id', '$is_cat');\">
3525                                                 ".__('Convert to Label')."</a></td>";
3526 } */
3527
3528                         print "<td class=\"headlineTitle$rtl_cpart\">";
3529
3530                         if ($feed_site_url) {
3531                                 if (!$bottom) {
3532                                         $target = "target=\"_new\"";
3533                                 }
3534                                 print "<a $target href=\"$feed_site_url\">".
3535                                         truncate_string($feed_title,30)."</a>";
3536                         } else {
3537                                 print $feed_title;
3538                         }
3539
3540                         if ($search) {
3541                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
3542                         }
3543
3544                         if ($user_page_offset > 1) {
3545                                 print " [$user_page_offset] ";
3546                         }
3547
3548                         if (!$bottom) {
3549                                 print "
3550                                         <a target=\"_new\"
3551                                                 href=\"backend.php?op=rss&id=$feed_id&is_cat=$is_cat$search_q\">
3552                                                 <img class=\"noborder\"
3553                                                         alt=\"".__('Generated feed')."\" src=\"images/feed-icon-12x12.png\">
3554                                         </a>";
3555                         }
3556
3557                         print "</td>";
3558                         print "</tr></table>";
3559
3560                 }
3561
3562         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
3563
3564                         $tmp_category = getCategoryTitle($link, $cat_id);
3565                         $cat_unread = getCategoryUnread($link, $cat_id);
3566
3567                         if ($hidden) {
3568                                 $holder_style = "display:none;";
3569                                 $ellipsis = "...";
3570                         } else {
3571                                 $holder_style = "";
3572                                 $ellipsis = "";
3573                         }
3574
3575                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3576
3577                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
3578                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>";
3579
3580                         if ($can_browse) {
3581                                 print "<a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">";
3582                         } else {
3583                                 print "<span id=\"FCAP-$cat_id\">";
3584                         }
3585
3586                         print " <span id=\"FCATCTR-$cat_id\" title=\"Click to browse category\"
3587                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
3588
3589                         if ($can_browse) {
3590                                 print "</a>";
3591                         } else {
3592                                 print "</span>";
3593                         }
3594
3595                         print "</li>";
3596
3597                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
3598         }
3599
3600         function outputFeedList($link, $tags = false) {
3601
3602                 print "<ul class=\"feedList\" id=\"feedList\">";
3603
3604                 $owner_uid = $_SESSION["uid"];
3605
3606                 /* virtual feeds */
3607
3608                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
3609
3610                         if ($_COOKIE["ttrss_vf_vclps"] == 1) {
3611                                 $cat_hidden = true;
3612                         } else {
3613                                 $cat_hidden = false;
3614                         }
3615
3616 #                       print "<li class=\"feedCat\">".__('Special')."</li>";
3617 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\">";
3618 #                       print "<li class=\"feedCat\">".
3619 #                               "<a id=\"FCATN--1\" href=\"javascript:toggleCollapseCat(-1)\">".
3620 #                               __('Special')."</a> <span id='FCAP--1'>$ellipsis</span></li>";
3621 #
3622 #                       print "<li id=\"feedCatHolder\" class=\"feedCatHolder\">
3623 #                               <ul class=\"feedCatList\" id='FCATLIST--1' style='$holder_style'>";
3624
3625 #                       $cat_unread = getCategoryUnread($link, -1);
3626 #                       $tmp_category = __("Special");
3627 #                       $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3628
3629                         printCategoryHeader($link, -1, $cat_hidden, false);
3630                 }
3631
3632                 $num_starred = getFeedUnread($link, -1);
3633                 $num_published = getFeedUnread($link, -2);
3634                 $num_fresh = getFeedUnread($link, -3);
3635
3636                 $class = "virt";
3637
3638                 if ($num_fresh > 0) $class .= "Unread";
3639
3640                 printFeedEntry(-3, $class, __("Fresh articles"), $num_fresh,
3641                         "images/fresh.png", $link);
3642
3643                 $class = "virt";
3644
3645                 if ($num_starred > 0) $class .= "Unread";
3646
3647                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
3648
3649                 if ($is_ie) {
3650                         $mark_img_ext = "gif";
3651                 } else {
3652                         $mark_img_ext = "png";
3653                 }
3654
3655                 printFeedEntry(-1, $class, __("Starred articles"), $num_starred,
3656                         "images/mark_set.$mark_img_ext", $link);
3657
3658                 $class = "virt";
3659
3660                 if ($num_published > 0) $class .= "Unread";
3661
3662                 printFeedEntry(-2, $class, __("Published articles"), $num_published,
3663                         "images/pub_set.gif", $link);
3664
3665                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
3666                         print "</ul>";
3667                 }
3668
3669                 if (!$tags) {
3670
3671                         if (GLOBAL_ENABLE_LABELS && get_pref($link, 'ENABLE_LABELS')) {
3672
3673                                 $result = db_query($link, "SELECT id,sql_exp,description FROM
3674                                         ttrss_labels WHERE owner_uid = '$owner_uid' ORDER by description");
3675
3676                                 if (db_num_rows($result) > 0) {
3677                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3678
3679                                                 if ($_COOKIE["ttrss_vf_lclps"] == 1) {
3680                                                         $cat_hidden = true;
3681                                                 } else {
3682                                                         $cat_hidden = false;
3683                                                 }
3684
3685                                                 printCategoryHeader($link, -2, $cat_hidden, false);
3686
3687 #                                               print "<li class=\"feedCat\">".
3688 #                                                       "<a id=\"FCATN--2\" href=\"javascript:toggleCollapseCat(-2)\">".
3689 #                                                       __('Labels')."</a> <span id='FCAP--2'>$ellipsis</span></li>";
3690 #
3691 #                                               print "<li id=\"feedCatHolder\" class=\"feedCatHolder\"><ul class=\"feedCatList\" id='FCATLIST--2' style='$holder_style'>";
3692                                         } else {
3693                                                 print "<li><hr></li>";
3694                                         }
3695                                 }
3696
3697                                 while ($line = db_fetch_assoc($result)) {
3698
3699                                         error_reporting (0);
3700
3701                                         $label_id = -$line['id'] - 11;
3702                                         $count = getFeedUnread($link, $label_id);
3703
3704                                         $class = "label";
3705
3706                                         if ($count > 0) {
3707                                                 $class .= "Unread";
3708                                         }
3709
3710                                         error_reporting (DEFAULT_ERROR_LEVEL);
3711
3712                                         printFeedEntry($label_id,
3713                                                 $class, $line["description"],
3714                                                 $count, "images/label.png", $link);
3715
3716                                 }
3717
3718                                 if (db_num_rows($result) > 0) {
3719                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3720                                                 print "</ul>";
3721                                         }
3722                                 }
3723
3724                         }
3725
3726                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
3727                                 print "<li><hr></li>";
3728                         }
3729
3730                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3731                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
3732                                         $order_by_qpart = "category,unread DESC,title";
3733                                 } else {
3734                                         $order_by_qpart = "category,title";
3735                                 }
3736                         } else {
3737                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
3738                                         $order_by_qpart = "unread DESC,title";
3739                                 } else {
3740                                         $order_by_qpart = "title";
3741                                 }
3742                         }
3743
3744                         $age_qpart = getMaxAgeSubquery();
3745
3746                         $result = db_query($link, "SELECT ttrss_feeds.*,
3747                                 SUBSTRING(last_updated,1,19) AS last_updated_noms,
3748                                 (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
3749                                         WHERE feed_id = ttrss_feeds.id AND unread = true
3750                                                 AND $age_qpart
3751                                                 AND ttrss_user_entries.ref_id = ttrss_entries.id
3752                                                 AND owner_uid = '$owner_uid') as unread,
3753                                 cat_id,last_error,
3754                                 ttrss_feed_categories.title AS category,
3755                                 ttrss_feed_categories.collapsed
3756                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
3757                                         ON (ttrss_feed_categories.id = cat_id)
3758                                 WHERE
3759                                         ttrss_feeds.hidden = false AND
3760                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
3761                                 ORDER BY $order_by_qpart");
3762
3763                         $actid = $_GET["actid"];
3764
3765                         /* real feeds */
3766
3767                         $lnum = 0;
3768
3769                         $total_unread = 0;
3770
3771                         $category = "";
3772
3773                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
3774
3775                         while ($line = db_fetch_assoc($result)) {
3776
3777                                 $feed = trim($line["title"]);
3778
3779                                 if (!$feed) $feed = "[Untitled]";
3780
3781                                 $feed_id = $line["id"];
3782
3783                                 $subop = $_GET["subop"];
3784
3785                                 $unread = $line["unread"];
3786
3787                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
3788                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
3789                                 } else {
3790                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
3791                                 }
3792
3793                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
3794
3795                                 if ($rtl_content) {
3796                                         $rtl_tag = "dir=\"RTL\"";
3797                                 } else {
3798                                         $rtl_tag = "";
3799                                 }
3800
3801                                 $tmp_result = db_query($link,
3802                                         "SELECT id,COUNT(unread) AS unread
3803                                         FROM ttrss_feeds LEFT JOIN ttrss_user_entries
3804                                                 ON (ttrss_feeds.id = ttrss_user_entries.feed_id)
3805                                         WHERE parent_feed = '$feed_id' AND unread = true
3806                                         GROUP BY ttrss_feeds.id");
3807
3808                                 if (db_num_rows($tmp_result) > 0) {
3809                                         while ($l = db_fetch_assoc($tmp_result)) {
3810                                                 $unread += $l["unread"];
3811                                         }
3812                                 }
3813
3814                                 $cat_id = $line["cat_id"];
3815
3816                                 $tmp_category = $line["category"];
3817
3818                                 if (!$tmp_category) {
3819                                         $tmp_category = __("Uncategorized");
3820                                 }
3821
3822         //                      $class = ($lnum % 2) ? "even" : "odd";
3823
3824                                 if ($line["last_error"]) {
3825                                         $class = "error";
3826                                 } else {
3827                                         $class = "feed";
3828                                 }
3829
3830                                 if ($unread > 0) $class .= "Unread";
3831
3832                                 if ($actid == $feed_id) {
3833                                         $class .= "Selected";
3834                                 }
3835
3836                                 $total_unread += $unread;
3837
3838                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
3839
3840                                         if ($category) {
3841                                                 print "</ul></li>";
3842                                         }
3843
3844                                         $category = $tmp_category;
3845
3846                                         $collapsed = $line["collapsed"];
3847
3848                                         // workaround for NULL category
3849                                         if ($category == __("Uncategorized")) {
3850                                                 if ($_COOKIE["ttrss_vf_uclps"] == 1) {
3851                                                         $collapsed = "t";
3852                                                 }
3853                                         }
3854
3855                                         if ($collapsed == "t" || $collapsed == "1") {
3856                                                 $holder_class = "feedCatHolder";
3857                                                 $holder_style = "display:none;";
3858                                                 $ellipsis = "...";
3859                                         } else {
3860                                                 $holder_class = "feedCatHolder";
3861                                                 $holder_style = "";
3862                                                 $ellipsis = "";
3863                                         }
3864
3865                                         $cat_id = sprintf("%d", $cat_id);
3866
3867                                         $cat_unread = getCategoryUnread($link, $cat_id);
3868
3869                                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
3870
3871                                         print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
3872                                                 <a id=\"FCATN-$cat_id\" href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>
3873                                                         <a href=\"#\" onclick=\"javascript:viewCategory($cat_id)\" id=\"FCAP-$cat_id\">
3874                                                         <span id=\"FCATCTR-$cat_id\" title=\"Click to browse category\"
3875                                                         class=\"$catctr_class\">($cat_unread)</span> $ellipsis
3876                                                         </a></li>";
3877
3878                                         print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
3879                                 }
3880
3881                                 printFeedEntry($feed_id, $class, $feed, $unread,
3882                                         ICONS_DIR."/$feed_id.ico", $link, $rtl_content,
3883                                         $last_updated, $line["last_error"]);
3884
3885                                 ++$lnum;
3886                         }
3887
3888                         if (db_num_rows($result) == 0) {
3889                                 print "<li>".__('No feeds to display.')."</li>";
3890                         }
3891
3892                 } else {
3893
3894                         // tags
3895
3896 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
3897                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
3898                                 post_int_id = ttrss_user_entries.int_id AND
3899                                 unread = true AND ref_id = ttrss_entries.id
3900                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
3901                         UNION
3902                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
3903                         ORDER BY tag_name"); */
3904
3905                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3906                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
3907                                 print "<li id=\"feedCatHolder\"><ul class=\"feedCatList\">";
3908                         }
3909
3910                         $age_qpart = getMaxAgeSubquery();
3911
3912                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
3913                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
3914                                         AND ref_id = id AND $age_qpart
3915                                         AND unread = true)) AS count FROM ttrss_tags
3916                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
3917                                         ORDER BY count DESC LIMIT 50");
3918
3919                         $tags = array();
3920
3921                         while ($line = db_fetch_assoc($result)) {
3922                                 $tags[$line["tag_name"]] += $line["count"];
3923                         }
3924
3925                         foreach (array_keys($tags) as $tag) {
3926
3927                                 $unread = $tags[$tag];
3928
3929                                 $class = "tag";
3930
3931                                 if ($unread > 0) {
3932                                         $class .= "Unread";
3933                                 }
3934
3935                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
3936
3937                         }
3938
3939                         if (db_num_rows($result) == 0) {
3940                                 print "<li>No tags to display.</li>";
3941                         }
3942
3943                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
3944                                 print "</ul>";
3945                         }
3946
3947                 }
3948
3949                 print "</ul>";
3950
3951         }
3952
3953         function get_article_tags($link, $id, $owner_uid = 0) {
3954
3955                 $a_id = db_escape_string($id);
3956
3957                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3958
3959                 $tmp_result = db_query($link, "SELECT DISTINCT tag_name,
3960                         owner_uid as owner FROM
3961                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
3962                                 ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name");
3963
3964                 $tags = array();
3965
3966                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
3967                         array_push($tags, $tmp_line["tag_name"]);
3968                 }
3969
3970                 return $tags;
3971         }
3972
3973         function trim_value(&$value) {
3974                 $value = trim($value);
3975         }
3976
3977         function trim_array($array) {
3978                 $tmp = $array;
3979                 array_walk($tmp, 'trim_value');
3980                 return $tmp;
3981         }
3982
3983         function tag_is_valid($tag) {
3984                 if ($tag == '') return false;
3985                 if (preg_match("/^[0-9]*$/", $tag)) return false;
3986
3987                 $tag = iconv("utf-8", "utf-8", $tag);
3988                 if (!$tag) return false;
3989
3990                 return true;
3991         }
3992
3993         function render_login_form($link, $mobile = false) {
3994                 if (!$mobile) {
3995                         require_once "login_form.php";
3996                 } else {
3997                         require_once "mobile/login_form.php";
3998                 }
3999         }
4000
4001         // from http://developer.apple.com/internet/safari/faq.html
4002         function no_cache_incantation() {
4003                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4004                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4005                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4006                 header("Cache-Control: post-check=0, pre-check=0", false);
4007                 header("Pragma: no-cache"); // HTTP/1.0
4008         }
4009
4010         function format_warning($msg, $id = "") {
4011                 return "<div class=\"warning\" id=\"$id\">
4012                         <img src=\"images/sign_excl.gif\">$msg</div>";
4013         }
4014
4015         function format_notice($msg) {
4016                 return "<div class=\"notice\">
4017                         <img src=\"images/sign_info.gif\">$msg</div>";
4018         }
4019
4020         function format_error($msg) {
4021                 return "<div class=\"error\">
4022                         <img src=\"images/sign_excl.gif\">$msg</div>";
4023         }
4024
4025         function print_notice($msg) {
4026                 return print format_notice($msg);
4027         }
4028
4029         function print_warning($msg) {
4030                 return print format_warning($msg);
4031         }
4032
4033         function print_error($msg) {
4034                 return print format_error($msg);
4035         }
4036
4037
4038         function T_sprintf() {
4039                 $args = func_get_args();
4040                 return vsprintf(__(array_shift($args)), $args);
4041         }
4042
4043         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true) {
4044
4045                 /* we can figure out feed_id from article id anyway, why do we
4046                  * pass feed_id here? */
4047
4048                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4049                         WHERE ref_id = '$id'");
4050
4051                 $feed_id = db_fetch_result($result, 0, "feed_id");
4052
4053                 print "<article id='$id'><![CDATA[";
4054
4055                 $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4056                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4057
4058                 if (db_num_rows($result) == 1) {
4059                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4060                 } else {
4061                         $rtl_content = false;
4062                 }
4063
4064                 if ($rtl_content) {
4065                         $rtl_tag = "dir=\"RTL\"";
4066                         $rtl_class = "RTL";
4067                 } else {
4068                         $rtl_tag = "";
4069                         $rtl_class = "";
4070                 }
4071
4072                 if ($mark_as_read) {
4073                         $result = db_query($link, "UPDATE ttrss_user_entries
4074                                 SET unread = false,last_read = NOW()
4075                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4076                 }
4077
4078                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4079                         SUBSTRING(updated,1,16) as updated,
4080                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4081                         num_comments,
4082                         author
4083                         FROM ttrss_entries,ttrss_user_entries
4084                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4085
4086                 if ($result) {
4087
4088                         $link_target = "";
4089
4090                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4091                                 $link_target = "target=\"_new\"";
4092                         }
4093
4094                         $line = db_fetch_assoc($result);
4095
4096                         if ($line["icon_url"]) {
4097                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4098                         } else {
4099                                 $feed_icon = "&nbsp;";
4100                         }
4101
4102 /*                      if ($line["comments"] && $line["link"] != $line["comments"]) {
4103                                 $entry_comments = "(<a href=\"".$line["comments"]."\">Comments</a>)";
4104                         } else {
4105                                 $entry_comments = "";
4106                         } */
4107
4108                         $num_comments = $line["num_comments"];
4109                         $entry_comments = "";
4110
4111                         if ($num_comments > 0) {
4112                                 if ($line["comments"]) {
4113                                         $comments_url = $line["comments"];
4114                                 } else {
4115                                         $comments_url = $line["link"];
4116                                 }
4117                                 $entry_comments = "<a $link_target href=\"$comments_url\">$num_comments comments</a>";
4118                         } else {
4119                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4120                                         $entry_comments = "<a $link_target href=\"".$line["comments"]."\">comments</a>";
4121                                 }
4122                         }
4123
4124                         print "<div class=\"postReply\">";
4125
4126                         print "<div class=\"postHeader\">";
4127
4128                         $entry_author = $line["author"];
4129
4130                         if ($entry_author) {
4131                                 $entry_author = __(" - by ") . $entry_author;
4132                         }
4133
4134                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4135                                 strtotime($line["updated"]));
4136
4137                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4138
4139                         if ($line["link"]) {
4140                                 print "<div clear='both'><a $link_target href=\"" . $line["link"] . "\">" .
4141                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4142                         } else {
4143                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4144                         }
4145
4146 /*                      $tmp_result = db_query($link, "SELECT DISTINCT tag_name FROM
4147                                 ttrss_tags WHERE post_int_id = " . $line["int_id"] . "
4148                                 ORDER BY tag_name"); */
4149
4150                         $tags = get_article_tags($link, $id);
4151
4152                         $tags_str = "";
4153                         $f_tags_str = "";
4154
4155                         $num_tags = 0;
4156
4157                         foreach ($tags as $tag) {
4158                                 $num_tags++;
4159                                 $tag_escaped = str_replace("'", "\\'", $tag);
4160
4161                                 $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>, ";
4162
4163                                 if ($num_tags == 6) {
4164                                         $tags_str .= "...";
4165
4166                                 } else if ($num_tags < 6) {
4167                                         $tags_str .= $tag_str;
4168                                 }
4169                                 $f_tags_str .= $tag_str;
4170                         }
4171
4172                         $tags_str = preg_replace("/, $/", "", $tags_str);
4173                         $f_tags_str = preg_replace("/, $/", "", $f_tags_str);
4174
4175                         $all_tags_div = "<span class='cdmAllTagsCtr'>...<div class='cdmAllTags'>All Tags: $f_tags_str</div></span>";
4176                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4177
4178                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4179
4180                         if (!$tags_str) $tags_str = '<span class="tagList">'.__('no tags').'</span>';
4181
4182                         print "<div style='float : right'>
4183                                 <img src='images/tag.png' class='tagsPic' alt='Tags' title='Tags'>
4184                                 $tags_str
4185                                 <a title=\"Edit tags for this article\"
4186                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a></div>
4187                                 <div clear='both'>$entry_comments</div>";
4188
4189                         print "</div>";
4190
4191                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4192                         print "<div class=\"postContent\">";
4193
4194                         #print "<div id=\"allEntryTags\">".__('Tags:')." $f_tags_str</div>";
4195
4196                         $line["content"] = sanitize_rss($link, $line["content"]);
4197
4198                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4199                                 $line["content"] = preg_replace("/href=/i", "target=\"_new\" href=", $line["content"]);
4200                         }
4201
4202                         print $line["content"] . "</div>";
4203
4204                         print "</div>";
4205
4206                 }
4207
4208                 print "]]></article>";
4209
4210         }
4211
4212         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4213                                         $next_unread_feed, $offset) {
4214
4215                 $timing_info = getmicrotime();
4216
4217                 $topmost_article_ids = array();
4218
4219                 if (!$offset) {
4220                         $offset = 0;
4221                 }
4222
4223                 if ($subop == "undefined") $subop = "";
4224
4225                 if ($subop == "CatchupSelected") {
4226                         $ids = split(",", db_escape_string($_GET["ids"]));
4227                         $cmode = sprintf("%d", $_GET["cmode"]);
4228
4229                         catchupArticlesById($link, $ids, $cmode);
4230                 }
4231
4232                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
4233                         update_generic_feed($link, $feed, $cat_view);
4234                 }
4235
4236                 if ($subop == "MarkAllRead")  {
4237                         catchup_feed($link, $feed, $cat_view);
4238
4239                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
4240                                 if ($next_unread_feed) {
4241                                         $feed = $next_unread_feed;
4242                                 }
4243                         }
4244                 }
4245
4246                 if ($feed_id > 0) {
4247                         $result = db_query($link,
4248                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
4249
4250                         if (db_num_rows($result) == 0) {
4251                                 print "<div align='center'>".__('Feed not found.')."</div>";
4252                                 return;
4253                         }
4254                 }
4255
4256                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
4257
4258                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
4259                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
4260
4261                         if (db_num_rows($result) == 1) {
4262                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4263                         } else {
4264                                 $rtl_content = false;
4265                         }
4266
4267                         if ($rtl_content) {
4268                                 $rtl_tag = "dir=\"RTL\"";
4269                         } else {
4270                                 $rtl_tag = "";
4271                         }
4272                 } else {
4273                         $rtl_tag = "";
4274                         $rtl_content = false;
4275                 }
4276
4277                 $script_dt_add = get_script_dt_add();
4278
4279                 /// START /////////////////////////////////////////////////////////////////////////////////
4280
4281                 $search = db_escape_string($_GET["query"]);
4282                 $search_mode = db_escape_string($_GET["search_mode"]);
4283                 $match_on = db_escape_string($_GET["match_on"]);
4284
4285                 if (!$match_on) {
4286                         $match_on = "both";
4287                 }
4288
4289                 $real_offset = $offset * $limit;
4290
4291                 if ($_GET["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
4292
4293                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
4294                         $search, $search_mode, $match_on, false, $real_offset);
4295
4296                 if ($_GET["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
4297
4298                 $result = $qfh_ret[0];
4299                 $feed_title = $qfh_ret[1];
4300                 $feed_site_url = $qfh_ret[2];
4301                 $last_error = $qfh_ret[3];
4302
4303                 if ($feed == -2) {
4304                         $feed_site_url = article_publish_url($link);
4305                 }
4306
4307                 /// STOP //////////////////////////////////////////////////////////////////////////////////
4308
4309                 if (!$offset) {
4310                         print "<div id=\"headlinesContainer\" $rtl_tag>";
4311
4312                         if (!$result) {
4313                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
4314                                 return;
4315                         }
4316
4317                         print_headline_subtoolbar($link, $feed_site_url, $feed_title, false,
4318                                 $rtl_content, $feed, $cat_view, $search, $match_on, $search_mode,
4319                                 $offset, $limit);
4320
4321                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
4322                 }
4323
4324                 $headlines_count = db_num_rows($result);
4325
4326                 if (db_num_rows($result) > 0) {
4327
4328 #                       print "\{$offset}";
4329
4330                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4331                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
4332                                         cellspacing=\"0\">";
4333                         }
4334
4335                         $lnum = $limit*$offset;
4336
4337                         error_reporting (DEFAULT_ERROR_LEVEL);
4338
4339                         $num_unread = 0;
4340
4341                         while ($line = db_fetch_assoc($result)) {
4342
4343                                 $class = ($lnum % 2) ? "even" : "odd";
4344
4345                                 $id = $line["id"];
4346                                 $feed_id = $line["feed_id"];
4347
4348                                 if (count($topmost_article_ids) < 5) {
4349                                         array_push($topmost_article_ids, $id);
4350                                 }
4351
4352                                 if ($line["last_read"] == "" &&
4353                                                 ($line["unread"] != "t" && $line["unread"] != "1")) {
4354
4355                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/updated.png\"
4356                                                 alt=\"Updated\">";
4357                                 } else {
4358                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
4359                                                 alt=\"Updated\">";
4360                                 }
4361
4362                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
4363                                         $class .= "Unread";
4364                                         ++$num_unread;
4365                                         $is_unread = true;
4366                                 } else {
4367                                         $is_unread = false;
4368                                 }
4369
4370                                 $is_ie = (strpos($_SESSION["client.userAgent"], "MSIE") !== false);
4371
4372                                 if ($is_ie) {
4373                                         $mark_img_ext = "gif";
4374                                 } else {
4375                                         $mark_img_ext = "png";
4376                                 }
4377
4378                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
4379                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_set.$mark_img_ext\"
4380                                                 class=\"markedPic\"
4381                                                 alt=\"Unstar article\" onclick='javascript:tMark($id)'>";
4382                                 } else {
4383                                         $marked_pic = "<img id=\"FMPIC-$id\" src=\"images/mark_unset.$mark_img_ext\"
4384                                                 class=\"markedPic\"
4385                                                 alt=\"Star article\" onclick='javascript:tMark($id)'>";
4386                                 }
4387
4388                                 if ($line["published"] == "t" || $line["published"] == "1") {
4389                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_set.gif\"
4390                                                 class=\"markedPic\"
4391                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
4392                                 } else {
4393                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"images/pub_unset.gif\"
4394                                                 class=\"markedPic\"
4395                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
4396                                 }
4397
4398 #                               $content_link = "<a target=\"_new\" href=\"".$line["link"]."\">" .
4399 #                                       $line["title"] . "</a>";
4400
4401                                 $content_link = "<a href=\"javascript:view($id,$feed_id);\">" .
4402                                         $line["title"] . "</a>";
4403
4404 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
4405 #                                       $line["title"] . "</a>";
4406
4407                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4408                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
4409                                 } else {
4410                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4411                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
4412                                 }
4413
4414                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4415                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
4416                                                 100);
4417                                 }
4418
4419                                 $entry_author = $line["author"];
4420
4421                                 if ($entry_author) {
4422                                         $entry_author = " - by $entry_author";
4423                                 }
4424
4425                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4426
4427                                         print "<tr class='$class' id='RROW-$id'>";
4428
4429                                         print "<td class='hlUpdPic'>$update_pic</td>";
4430
4431                                         print "<td class='hlSelectRow'>
4432                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
4433                                                         id=\"RCHK-$id\">
4434                                                 </td>";
4435
4436                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
4437                                         print "<td class='hlMarkedPic'>$published_pic</td>";
4438
4439 #                                       if ($line["feed_title"]) {
4440 #                                               print "<td class='hlContent'>$content_link</td>";
4441 #                                               print "<td class='hlFeed'>
4442 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4443 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
4444 #                                       } else {
4445
4446                                         print "<td class='hlContent' valign='middle'>";
4447
4448                                         print "<a href=\"javascript:view($id,$feed_id);\">" .
4449                                                 $line["title"];
4450
4451                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
4452                                                 if ($content_preview) {
4453                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
4454                                                 }
4455                                         }
4456
4457                                         print "</a>";
4458
4459 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
4460 #                                                       $line["feed_title"]."</a>
4461
4462                                         if ($line["feed_title"]) {
4463                                                 print "<span class=\"hlFeed\">
4464                                                         (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
4465                                                         $line["feed_title"]."</a>)
4466                                                 </span>";
4467                                         }
4468
4469
4470                                         print "</td>";
4471
4472 #                                       }
4473
4474                                         print "<td class=\"hlUpdated\"><nobr>$updated_fmt&nbsp;</nobr></td>";
4475
4476                                         print "</tr>";
4477
4478                                 } else {
4479
4480                                         if ($is_unread) {
4481                                                 $add_class = "Unread";
4482                                         } else {
4483                                                 $add_class = "";
4484                                         }
4485
4486                                         print "<div class=\"cdmArticle$add_class\"
4487                                                 id=\"RROW-$id\" onmouseover='cdmMouseIn(this)'
4488                                                 onmouseout='cdmMouseOut(this)'>";
4489
4490                                         print "<div class=\"cdmHeader\">";
4491
4492                                         print "<div class=\"articleUpdated\">$updated_fmt</div>";
4493
4494                                         print "<a class=\"title\"
4495                                                 onclick=\"javascript:toggleUnread($id, 0)\"
4496                                                 target=\"_new\" href=\"".$line["link"]."\">".$line["title"]."</a>";
4497
4498                                         print $entry_author;
4499
4500                                         if ($line["feed_title"]) {
4501                                                 print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
4502                                         }
4503
4504                                         print "</div>";
4505
4506                                         if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW')) {
4507                                                 $line["content_preview"] = preg_replace("/href=/i",
4508                                                         "target=\"_new\" href=", $line["content_preview"]);
4509                                         }
4510
4511                                         print "<div class=\"cdmContent\">" . $line["content_preview"] . "</div><br clear=\"all\">";
4512
4513                                         print "<div class=\"cdmFooter\"><span class='s0'>";
4514
4515                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
4516
4517                                         print __("Select:").
4518                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
4519                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
4520
4521                                         print "</span><span class='s1'>$marked_pic</span> ";
4522                                         print "<span class='s1'>$published_pic</span> ";
4523
4524                                         $tags = get_article_tags($link, $id);
4525
4526                                         $tags_str = "";
4527                                         $full_tags_str = "";
4528                                         $num_tags = 0;
4529
4530                                         foreach ($tags as $tag) {
4531                                                 $num_tags++;
4532                                                 $full_tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
4533                                                 if ($num_tags < 5) {
4534                                                         $tags_str .= "<a href=\"javascript:viewfeed('$tag')\">$tag</a>, ";
4535                                                 } else if ($num_tags == 5) {
4536                                                         $tags_str .= "...";
4537                                                 }
4538                                         }
4539
4540                                         $tags_str = preg_replace("/, $/", "", $tags_str);
4541                                         $full_tags_str = preg_replace("/, $/", "", $full_tags_str);
4542
4543                                         $all_tags_div = "<span class='cdmAllTagsCtr'>...<div class='cdmAllTags'>All Tags: $full_tags_str</div></span>";
4544
4545                                         $tags_str = preg_replace("/\.\.\.$/", "$all_tags_div", $tags_str);
4546
4547
4548                                         if ($tags_str == "") $tags_str = "no tags";
4549
4550 //                                      print "<img src='images/tag.png' class='markedPic'>";
4551
4552                                         print "<span class='s1'>
4553                                                 <img class='tagsPic' src='images/tag.png' alt='Tags'
4554                                                         title='Tags'> $tags_str <a title=\"Edit tags for this article\"
4555                                                         href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
4556
4557                                         print "</span>";
4558
4559                                         print "<span class='s2'>Toggle: <a class=\"cdmToggleLink\"
4560                                                         href=\"javascript:toggleUnread($id)\">
4561                                                         Unread</a></span>";
4562
4563                                         print "</div>";
4564                                         print "</div>";
4565
4566                                 }
4567
4568                                 ++$lnum;
4569                         }
4570
4571                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
4572                                 print "</table>";
4573                         }
4574
4575 //                      print_headline_subtoolbar($link,
4576 //                              "javascript:catchupPage()", "Mark page as read", true, $rtl_content);
4577
4578
4579                 } else {
4580                         if (!$offset) print "<div class='whiteBox'>".__('No articles found.')."</div>";
4581                 }
4582
4583                 if (!$offset) {
4584                         print "</div>";
4585                         print "</div>";
4586                 }
4587
4588                 return array($topmost_article_ids, $headlines_count);
4589         }
4590
4591 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
4592
4593         function printTagCloud($link) {
4594
4595                 /* get first ref_id to count from */
4596
4597                 /*
4598
4599                 $query = "";
4600
4601                 if (DB_TYPE == "pgsql") {
4602                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
4603                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
4604                                 AND date_entered > NOW() - INTERVAL '30 days'";
4605                 } else {
4606                         $query = "SELECT MIN(id) AS id FROM ttrss_user_entries, ttrss_entries
4607                                 WHERE int_id = id AND owner_uid = ".$_SESSION["uid"]."
4608                                 AND date_entered > DATE_SUB(NOW(), INTERVAL 30 DAY)";
4609                 }
4610
4611                 $result = db_query($link, $query);
4612                 $first_id = db_fetch_result($result, 0, "id"); */
4613
4614                 //AND post_int_id >= '$first_id'
4615                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
4616                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
4617                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
4618
4619                 $result = db_query($link, $query);
4620
4621                 $tags = array();
4622
4623                 while ($line = db_fetch_assoc($result)) {
4624                         $tags[$line["tag_name"]] = $line["count"];
4625                 }
4626
4627                 ksort($tags);
4628
4629                 $max_size = 32; // max font size in pixels
4630                 $min_size = 11; // min font size in pixels
4631
4632                 // largest and smallest array values
4633                 $max_qty = max(array_values($tags));
4634                 $min_qty = min(array_values($tags));
4635
4636                 // find the range of values
4637                 $spread = $max_qty - $min_qty;
4638                 if ($spread == 0) { // we don't want to divide by zero
4639                                 $spread = 1;
4640                 }
4641
4642                 // set the font-size increment
4643                 $step = ($max_size - $min_size) / ($spread);
4644
4645                 // loop through the tag array
4646                 foreach ($tags as $key => $value) {
4647                         // calculate font-size
4648                         // find the $value in excess of $min_qty
4649                         // multiply by the font-size increment ($size)
4650                         // and add the $min_size set above
4651                         $size = round($min_size + (($value - $min_qty) * $step));
4652
4653                         $key_escaped = str_replace("'", "\\'", $key);
4654
4655                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
4656                                 $size . "px\" title=\"$value articles tagged with " .
4657                                 $key . '">' . $key . '</a> ';
4658                 }
4659         }
4660
4661         function print_checkpoint($n, $s) {
4662                 $ts = getmicrotime();
4663                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
4664                 return $ts;
4665         }
4666
4667         function sanitize_tag($tag) {
4668                 $tag = trim($tag);
4669
4670                 $tag = mb_strtolower($tag, 'utf-8');
4671
4672                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
4673
4674 //              $tag = str_replace('"', "", $tag);
4675 //              $tag = str_replace("+", " ", $tag);
4676                 $tag = str_replace("technorati tag: ", "", $tag);
4677
4678                 return $tag;
4679         }
4680
4681         function generate_publish_key() {
4682                 return sha1(uniqid(rand(), true));
4683         }
4684
4685         function article_publish_url($link) {
4686
4687                 $url_path = 'http://' . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
4688
4689                 $url_path .= "?op=publish&key=" . get_pref($link, "_PREFS_PUBLISH_KEY");
4690
4691                 return $url_path;
4692         }
4693
4694 ?>