include/functions.php

   1 <?php
   2         define('EXPECTED_CONFIG_VERSION', 26);
   3         define('SCHEMA_VERSION', 126);
   4
   5         define('LABEL_BASE_INDEX', -1024);
   6         define('PLUGIN_FEED_BASE_INDEX', -128);
   7
   8         define('COOKIE_LIFETIME_LONG', 86400*365);
   9
  10         $fetch_last_error = false;
  11         $fetch_last_error_code = false;
  12         $fetch_last_content_type = false;
  13         $fetch_last_error_content = false; // curl only for the time being
  14         $fetch_curl_used = false;
  15         $suppress_debugging = false;
  16
  17         mb_internal_encoding("UTF-8");
  18         date_default_timezone_set('UTC');
  19         if (defined('E_DEPRECATED')) {
  20                 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
  21         } else {
  22                 error_reporting(E_ALL & ~E_NOTICE);
  23         }
  24
  25         require_once 'config.php';
  26
  27         /**
  28          * Define a constant if not already defined
  29          *
  30          * @param string $name The constant name.
  31          * @param mixed $value The constant value.
  32          * @access public
  33          * @return boolean True if defined successfully or not.
  34          */
  35         function define_default($name, $value) {
  36                 defined($name) or define($name, $value);
  37         }
  38
  39         ///// Some defaults that you can override in config.php //////
  40
  41         define_default('FEED_FETCH_TIMEOUT', 45);
  42         // How may seconds to wait for response when requesting feed from a site
  43         define_default('FEED_FETCH_NO_CACHE_TIMEOUT', 15);
  44         // How may seconds to wait for response when requesting feed from a
  45         // site when that feed wasn't cached before
  46         define_default('FILE_FETCH_TIMEOUT', 45);
  47         // Default timeout when fetching files from remote sites
  48         define_default('FILE_FETCH_CONNECT_TIMEOUT', 15);
  49         // How many seconds to wait for initial response from website when
  50         // fetching files from remote sites
  51
  52         if (DB_TYPE == "pgsql") {
  53                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  54         } else {
  55                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  56         }
  57
  58         /**
  59          * Return available translations names.
  60          *
  61          * @access public
  62          * @return array A array of available translations.
  63          */
  64         function get_translations() {
  65                 $tr = array(
  66                                         "auto"  => "Detect automatically",
  67                                         "ar_SA" => "العربيّة (Arabic)",
  68                                         "da_DA" => "Dansk",
  69                                         "ca_CA" => "Català",
  70                                         "cs_CZ" => "Česky",
  71                                         "en_US" => "English",
  72                                         "el_GR" => "Ελληνικά",
  73                                         "es_ES" => "Español (España)",
  74                                         "es_LA" => "Español",
  75                                         "de_DE" => "Deutsch",
  76                                         "fr_FR" => "Français",
  77                                         "hu_HU" => "Magyar (Hungarian)",
  78                                         "it_IT" => "Italiano",
  79                                         "ja_JP" => "日本語 (Japanese)",
  80                                         "lv_LV" => "Latviešu",
  81                                         "nb_NO" => "Norwegian bokmål",
  82                                         "nl_NL" => "Dutch",
  83                                         "pl_PL" => "Polski",
  84                                         "ru_RU" => "Русский",
  85                                         "pt_BR" => "Portuguese/Brazil",
  86                                         "pt_PT" => "Portuguese/Portugal",
  87                                         "zh_CN" => "Simplified Chinese",
  88                                         "zh_TW" => "Traditional Chinese",
  89                                         "sv_SE" => "Svenska",
  90                                         "fi_FI" => "Suomi",
  91                                         "tr_TR" => "Türkçe");
  92
  93                 return $tr;
  94         }
  95
  96         require_once "lib/accept-to-gettext.php";
  97         require_once "lib/gettext/gettext.inc";
  98
  99         require_once "lib/languagedetect/LanguageDetect.php";
 100
 101         function startup_gettext() {
 102
 103                 # Get locale from Accept-Language header
 104                 $lang = al2gt(array_keys(get_translations()), "text/html");
 105
 106                 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
 107                         $lang = _TRANSLATION_OVERRIDE_DEFAULT;
 108                 }
 109
 110                 if ($_SESSION["uid"] && get_schema_version() >= 120) {
 111                         $pref_lang = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
 112
 113                         if ($pref_lang && $pref_lang != 'auto') {
 114                                 $lang = $pref_lang;
 115                         }
 116                 }
 117
 118                 if ($lang) {
 119                         if (defined('LC_MESSAGES')) {
 120                                 _setlocale(LC_MESSAGES, $lang);
 121                         } else if (defined('LC_ALL')) {
 122                                 _setlocale(LC_ALL, $lang);
 123                         }
 124
 125                         _bindtextdomain("messages", "locale");
 126
 127                         _textdomain("messages");
 128                         _bind_textdomain_codeset("messages", "UTF-8");
 129                 }
 130         }
 131
 132         require_once 'db-prefs.php';
 133         require_once 'version.php';
 134         require_once 'ccache.php';
 135         require_once 'labels.php';
 136
 137         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
 138         ini_set('user_agent', SELF_USER_AGENT);
 139
 140         require_once 'lib/pubsubhubbub/publisher.php';
 141
 142         $schema_version = false;
 143
 144         function _debug_suppress($suppress) {
 145                 global $suppress_debugging;
 146
 147                 $suppress_debugging = $suppress;
 148         }
 149
 150         /**
 151          * Print a timestamped debug message.
 152          *
 153          * @param string $msg The debug message.
 154          * @return void
 155          */
 156         function _debug($msg, $show = true) {
 157                 global $suppress_debugging;
 158
 159                 //echo "[$suppress_debugging] $msg $show\n";
 160
 161                 if ($suppress_debugging) return false;
 162
 163                 $ts = strftime("%H:%M:%S", time());
 164                 if (function_exists('posix_getpid')) {
 165                         $ts = "$ts/" . posix_getpid();
 166                 }
 167
 168                 if ($show && !(defined('QUIET') && QUIET)) {
 169                         print "[$ts] $msg\n";
 170                 }
 171
 172                 if (defined('LOGFILE'))  {
 173                         $fp = fopen(LOGFILE, 'a+');
 174
 175                         if ($fp) {
 176                                 $locked = false;
 177
 178                                 if (function_exists("flock")) {
 179                                         $tries = 0;
 180
 181                                         // try to lock logfile for writing
 182                                         while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB)) {
 183                                                 sleep(1);
 184                                                 ++$tries;
 185                                         }
 186
 187                                         if (!$locked) {
 188                                                 fclose($fp);
 189                                                 return;
 190                                         }
 191                                 }
 192
 193                                 fputs($fp, "[$ts] $msg\n");
 194
 195                                 if (function_exists("flock")) {
 196                                         flock($fp, LOCK_UN);
 197                                 }
 198
 199                                 fclose($fp);
 200                         }
 201                 }
 202
 203         } // function _debug
 204
 205         /**
 206          * Purge a feed old posts.
 207          *
 208          * @param mixed $link A database connection.
 209          * @param mixed $feed_id The id of the purged feed.
 210          * @param mixed $purge_interval Olderness of purged posts.
 211          * @param boolean $debug Set to True to enable the debug. False by default.
 212          * @access public
 213          * @return void
 214          */
 215         function purge_feed($feed_id, $purge_interval, $debug = false) {
 216
 217                 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
 218
 219                 $rows = -1;
 220
 221                 $result = db_query(
 222                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 223
 224                 $owner_uid = false;
 225
 226                 if (db_num_rows($result) == 1) {
 227                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 228                 }
 229
 230                 if ($purge_interval == -1 || !$purge_interval) {
 231                         if ($owner_uid) {
 232                                 ccache_update($feed_id, $owner_uid);
 233                         }
 234                         return;
 235                 }
 236
 237                 if (!$owner_uid) return;
 238
 239                 if (FORCE_ARTICLE_PURGE == 0) {
 240                         $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
 241                                 $owner_uid, false);
 242                 } else {
 243                         $purge_unread = true;
 244                         $purge_interval = FORCE_ARTICLE_PURGE;
 245                 }
 246
 247                 if (!$purge_unread) $query_limit = " unread = false AND ";
 248
 249                 if (DB_TYPE == "pgsql") {
 250                         $pg_version = get_pgsql_version();
 251
 252                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 253
 254                                 $result = db_query("DELETE FROM ttrss_user_entries WHERE
 255                                         ttrss_entries.id = ref_id AND
 256                                         marked = false AND
 257                                         feed_id = '$feed_id' AND
 258                                         $query_limit
 259                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 260
 261                         } else {
 262
 263                                 $result = db_query("DELETE FROM ttrss_user_entries
 264                                         USING ttrss_entries
 265                                         WHERE ttrss_entries.id = ref_id AND
 266                                         marked = false AND
 267                                         feed_id = '$feed_id' AND
 268                                         $query_limit
 269                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 270                         }
 271
 272                 } else {
 273
 274 /*                      $result = db_query("DELETE FROM ttrss_user_entries WHERE
 275                                 marked = false AND feed_id = '$feed_id' AND
 276                                 (SELECT date_updated FROM ttrss_entries WHERE
 277                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 278
 279                         $result = db_query("DELETE FROM ttrss_user_entries
 280                                 USING ttrss_user_entries, ttrss_entries
 281                                 WHERE ttrss_entries.id = ref_id AND
 282                                 marked = false AND
 283                                 feed_id = '$feed_id' AND
 284                                 $query_limit
 285                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 286                 }
 287
 288                 $rows = db_affected_rows($result);
 289
 290                 ccache_update($feed_id, $owner_uid);
 291
 292                 if ($debug) {
 293                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 294                 }
 295
 296                 return $rows;
 297         } // function purge_feed
 298
 299         function feed_purge_interval($feed_id) {
 300
 301                 $result = db_query("SELECT purge_interval, owner_uid FROM ttrss_feeds
 302                         WHERE id = '$feed_id'");
 303
 304                 if (db_num_rows($result) == 1) {
 305                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 306                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 307
 308                         if ($purge_interval == 0) $purge_interval = get_pref(
 309                                 'PURGE_OLD_DAYS', $owner_uid);
 310
 311                         return $purge_interval;
 312
 313                 } else {
 314                         return -1;
 315                 }
 316         }
 317
 318         function purge_orphans($do_output = false) {
 319
 320                 // purge orphaned posts in main content table
 321                 $result = db_query("DELETE FROM ttrss_entries WHERE
 322                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 323
 324                 if ($do_output) {
 325                         $rows = db_affected_rows($result);
 326                         _debug("Purged $rows orphaned posts.");
 327                 }
 328         }
 329
 330         function get_feed_update_interval($feed_id) {
 331                 $result = db_query("SELECT owner_uid, update_interval FROM
 332                         ttrss_feeds WHERE id = '$feed_id'");
 333
 334                 if (db_num_rows($result) == 1) {
 335                         $update_interval = db_fetch_result($result, 0, "update_interval");
 336                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 337
 338                         if ($update_interval != 0) {
 339                                 return $update_interval;
 340                         } else {
 341                                 return get_pref('DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 342                         }
 343
 344                 } else {
 345                         return -1;
 346                 }
 347         }
 348
 349         function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false, $timeout = false, $timestamp = 0, $useragent = false) {
 350
 351                 global $fetch_last_error;
 352                 global $fetch_last_error_code;
 353                 global $fetch_last_error_content;
 354                 global $fetch_last_content_type;
 355                 global $fetch_curl_used;
 356
 357                 $url = ltrim($url, ' ');
 358                 $url = str_replace(' ', '%20', $url);
 359
 360                 if (strpos($url, "//") === 0)
 361                         $url = 'http:' . $url;
 362
 363                 if (!defined('NO_CURL') && function_exists('curl_init')) {
 364
 365                         $fetch_curl_used = true;
 366
 367                         if (ini_get("safe_mode") || ini_get("open_basedir") || defined("FORCE_GETURL")) {
 368                                 $new_url = geturl($url);
 369                                 if (!$new_url) {
 370                                     // geturl has already populated $fetch_last_error
 371                                     return false;
 372                                 }
 373                                 $ch = curl_init($new_url);
 374                         } else {
 375                                 $ch = curl_init($url);
 376                         }
 377
 378                         if ($timestamp && !$post_query) {
 379                                 curl_setopt($ch, CURLOPT_HTTPHEADER,
 380                                         array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
 381                         }
 382
 383                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
 384                         curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
 385                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode") && !ini_get("open_basedir"));
 386                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 387                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 388                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 389                         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
 390                         curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
 391                         curl_setopt($ch, CURLOPT_USERAGENT, $useragent ? $useragent :
 392                                 SELF_USER_AGENT);
 393                         curl_setopt($ch, CURLOPT_ENCODING, "");
 394                         //curl_setopt($ch, CURLOPT_REFERER, $url);
 395
 396                         if (!ini_get("safe_mode") && !ini_get("open_basedir")) {
 397                                 curl_setopt($ch, CURLOPT_COOKIEJAR, "/dev/null");
 398                         }
 399
 400                         if (defined('_CURL_HTTP_PROXY')) {
 401                                 curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);
 402                         }
 403
 404                         if ($post_query) {
 405                                 curl_setopt($ch, CURLOPT_POST, true);
 406                                 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
 407                         }
 408
 409                         if ($login && $pass)
 410                                 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
 411
 412                         $contents = @curl_exec($ch);
 413
 414                         if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
 415                                 curl_setopt($ch, CURLOPT_ENCODING, 'none');
 416                                 $contents = @curl_exec($ch);
 417                         }
 418
 419                         if ($contents === false) {
 420                                 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
 421                                 curl_close($ch);
 422                                 return false;
 423                         }
 424
 425                         $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 426                         $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 427
 428                         $fetch_last_error_code = $http_code;
 429
 430                         if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
 431                                 if (curl_errno($ch) != 0) {
 432                                         $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
 433                                 } else {
 434                                         $fetch_last_error = "HTTP Code: $http_code";
 435                                 }
 436                                 $fetch_last_error_content = $contents;
 437                                 curl_close($ch);
 438                                 return false;
 439                         }
 440
 441                         curl_close($ch);
 442
 443                         return $contents;
 444                 } else {
 445
 446                         $fetch_curl_used = false;
 447
 448                         if ($login && $pass){
 449                                 $url_parts = array();
 450
 451                                 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
 452
 453                                 $pass = urlencode($pass);
 454
 455                                 if ($url_parts[1] && $url_parts[2]) {
 456                                         $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
 457                                 }
 458                         }
 459
 460                         if (!$post_query && $timestamp) {
 461                                 $context = stream_context_create(array(
 462                                         'http' => array(
 463                                                 'method' => 'GET',
 464                                                 'header' => "If-Modified-Since: ".gmdate("D, d M Y H:i:s \\G\\M\\T\r\n", $timestamp)
 465                                         )));
 466                         } else {
 467                                 $context = NULL;
 468                         }
 469
 470                         $old_error = error_get_last();
 471
 472                         $data = @file_get_contents($url, false, $context);
 473
 474                         $fetch_last_content_type = false;  // reset if no type was sent from server
 475                         if (isset($http_response_header) && is_array($http_response_header)) {
 476                                 foreach ($http_response_header as $h) {
 477                                         if (substr(strtolower($h), 0, 13) == 'content-type:') {
 478                                                 $fetch_last_content_type = substr($h, 14);
 479                                                 // don't abort here b/c there might be more than one
 480                                                 // e.g. if we were being redirected -- last one is the right one
 481                                         }
 482
 483                                         if (substr(strtolower($h), 0, 7) == 'http/1.') {
 484                                                 $fetch_last_error_code = (int) substr($h, 9, 3);
 485                                         }
 486                                 }
 487                         }
 488
 489                         if (!$data) {
 490                                 $error = error_get_last();
 491
 492                                 if ($error['message'] != $old_error['message']) {
 493                                         $fetch_last_error = $error["message"];
 494                                 } else {
 495                                         $fetch_last_error = "HTTP Code: $fetch_last_error_code";
 496                                 }
 497                         }
 498                         return $data;
 499                 }
 500
 501         }
 502
 503         /**
 504          * Try to determine the favicon URL for a feed.
 505          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 506          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 507          *
 508          * @param string $url A feed or page URL
 509          * @access public
 510          * @return mixed The favicon URL, or false if none was found.
 511          */
 512         function get_favicon_url($url) {
 513
 514                 $favicon_url = false;
 515
 516                 if ($html = @fetch_file_contents($url)) {
 517
 518                         libxml_use_internal_errors(true);
 519
 520                         $doc = new DOMDocument();
 521                         $doc->loadHTML($html);
 522                         $xpath = new DOMXPath($doc);
 523
 524                         $base = $xpath->query('/html/head/base');
 525                         foreach ($base as $b) {
 526                                 $url = $b->getAttribute("href");
 527                                 break;
 528                         }
 529
 530                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
 531                         if (count($entries) > 0) {
 532                                 foreach ($entries as $entry) {
 533                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 534                                         break;
 535                                 }
 536                         }
 537                 }
 538
 539                 if (!$favicon_url)
 540                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 541
 542                 return $favicon_url;
 543         } // function get_favicon_url
 544
 545         function check_feed_favicon($site_url, $feed) {
 546 #               print "FAVICON [$site_url]: $favicon_url\n";
 547
 548                 $icon_file = ICONS_DIR . "/$feed.ico";
 549
 550                 if (!file_exists($icon_file)) {
 551                         $favicon_url = get_favicon_url($site_url);
 552
 553                         if ($favicon_url) {
 554                                 // Limiting to "image" type misses those served with text/plain
 555                                 $contents = fetch_file_contents($favicon_url); // , "image");
 556
 557                                 if ($contents) {
 558                                         // Crude image type matching.
 559                                         // Patterns gleaned from the file(1) source code.
 560                                         if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
 561                                                 // 0       string  \000\000\001\000        MS Windows icon resource
 562                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
 563                                         }
 564                                         elseif (preg_match('/^GIF8/', $contents)) {
 565                                                 // 0       string          GIF8            GIF image data
 566                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
 567                                         }
 568                                         elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
 569                                                 // 0       string          \x89PNG\x0d\x0a\x1a\x0a         PNG image data
 570                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
 571                                         }
 572                                         elseif (preg_match('/^\xff\xd8/', $contents)) {
 573                                                 // 0       beshort         0xffd8          JPEG image data
 574                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
 575                                         }
 576                                         else {
 577                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
 578                                                 $contents = "";
 579                                         }
 580                                 }
 581
 582                                 if ($contents) {
 583                                         $fp = @fopen($icon_file, "w");
 584
 585                                         if ($fp) {
 586                                                 fwrite($fp, $contents);
 587                                                 fclose($fp);
 588                                                 chmod($icon_file, 0644);
 589                                         }
 590                                 }
 591                         }
 592             return $icon_file;
 593                 }
 594         }
 595
 596         function print_select($id, $default, $values, $attributes = "") {
 597                 print "<select name=\"$id\" id=\"$id\" $attributes>";
 598                 foreach ($values as $v) {
 599                         if ($v == $default)
 600                                 $sel = "selected=\"1\"";
 601                          else
 602                                 $sel = "";
 603
 604                         $v = trim($v);
 605
 606                         print "<option value=\"$v\" $sel>$v</option>";
 607                 }
 608                 print "</select>";
 609         }
 610
 611         function print_select_hash($id, $default, $values, $attributes = "") {
 612                 print "<select name=\"$id\" id='$id' $attributes>";
 613                 foreach (array_keys($values) as $v) {
 614                         if ($v == $default)
 615                                 $sel = 'selected="selected"';
 616                          else
 617                                 $sel = "";
 618
 619                         $v = trim($v);
 620
 621                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
 622                 }
 623
 624                 print "</select>";
 625         }
 626
 627         function print_radio($id, $default, $true_is, $values, $attributes = "") {
 628                 foreach ($values as $v) {
 629
 630                         if ($v == $default)
 631                                 $sel = "checked";
 632                          else
 633                                 $sel = "";
 634
 635                         if ($v == $true_is) {
 636                                 $sel .= " value=\"1\"";
 637                         } else {
 638                                 $sel .= " value=\"0\"";
 639                         }
 640
 641                         print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
 642                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
 643
 644                 }
 645         }
 646
 647         function initialize_user_prefs($uid, $profile = false) {
 648
 649                 $uid = db_escape_string($uid);
 650
 651                 if (!$profile) {
 652                         $profile = "NULL";
 653                         $profile_qpart = "AND profile IS NULL";
 654                 } else {
 655                         $profile_qpart = "AND profile = '$profile'";
 656                 }
 657
 658                 if (get_schema_version() < 63) $profile_qpart = "";
 659
 660                 db_query("BEGIN");
 661
 662                 $result = db_query("SELECT pref_name,def_value FROM ttrss_prefs");
 663
 664                 $u_result = db_query("SELECT pref_name
 665                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
 666
 667                 $active_prefs = array();
 668
 669                 while ($line = db_fetch_assoc($u_result)) {
 670                         array_push($active_prefs, $line["pref_name"]);
 671                 }
 672
 673                 while ($line = db_fetch_assoc($result)) {
 674                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
 675 //                              print "adding " . $line["pref_name"] . "<br>";
 676
 677                                 $line["def_value"] = db_escape_string($line["def_value"]);
 678                                 $line["pref_name"] = db_escape_string($line["pref_name"]);
 679
 680                                 if (get_schema_version() < 63) {
 681                                         db_query("INSERT INTO ttrss_user_prefs
 682                                                 (owner_uid,pref_name,value) VALUES
 683                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
 684
 685                                 } else {
 686                                         db_query("INSERT INTO ttrss_user_prefs
 687                                                 (owner_uid,pref_name,value, profile) VALUES
 688                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
 689                                 }
 690
 691                         }
 692                 }
 693
 694                 db_query("COMMIT");
 695
 696         }
 697
 698         function get_ssl_certificate_id() {
 699                 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
 700                         return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
 701                                 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
 702                                 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
 703                                 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
 704                 }
 705                 if ($_SERVER["SSL_CLIENT_M_SERIAL"]) {
 706                         return sha1($_SERVER["SSL_CLIENT_M_SERIAL"] .
 707                                 $_SERVER["SSL_CLIENT_V_START"] .
 708                                 $_SERVER["SSL_CLIENT_V_END"] .
 709                                 $_SERVER["SSL_CLIENT_S_DN"]);
 710                 }
 711                 return "";
 712         }
 713
 714         function authenticate_user($login, $password, $check_only = false) {
 715
 716                 if (!SINGLE_USER_MODE) {
 717                         $user_id = false;
 718
 719                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
 720
 721                                 $user_id = (int) $plugin->authenticate($login, $password);
 722
 723                                 if ($user_id) {
 724                                         $_SESSION["auth_module"] = strtolower(get_class($plugin));
 725                                         break;
 726                                 }
 727                         }
 728
 729                         if ($user_id && !$check_only) {
 730                                 @session_start();
 731
 732                                 $_SESSION["uid"] = $user_id;
 733                                 $_SESSION["version"] = VERSION_STATIC;
 734
 735                                 $result = db_query("SELECT login,access_level,pwd_hash FROM ttrss_users
 736                                         WHERE id = '$user_id'");
 737
 738                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
 739                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
 740                                 $_SESSION["csrf_token"] = uniqid(rand(), true);
 741
 742                                 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 743                                         $_SESSION["uid"]);
 744
 745                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 746                                 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
 747                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
 748
 749                                 $_SESSION["last_version_check"] = time();
 750
 751                                 initialize_user_prefs($_SESSION["uid"]);
 752
 753                                 return true;
 754                         }
 755
 756                         return false;
 757
 758                 } else {
 759
 760                         $_SESSION["uid"] = 1;
 761                         $_SESSION["name"] = "admin";
 762                         $_SESSION["access_level"] = 10;
 763
 764                         $_SESSION["hide_hello"] = true;
 765                         $_SESSION["hide_logout"] = true;
 766
 767                         $_SESSION["auth_module"] = false;
 768
 769                         if (!$_SESSION["csrf_token"]) {
 770                                 $_SESSION["csrf_token"] = uniqid(rand(), true);
 771                         }
 772
 773                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 774
 775                         initialize_user_prefs($_SESSION["uid"]);
 776
 777                         return true;
 778                 }
 779         }
 780
 781         function make_password($length = 8) {
 782
 783                 $password = "";
 784                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
 785
 786         $i = 0;
 787
 788                 while ($i < $length) {
 789                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
 790
 791                         if (!strstr($password, $char)) {
 792                                 $password .= $char;
 793                                 $i++;
 794                         }
 795                 }
 796                 return $password;
 797         }
 798
 799         // this is called after user is created to initialize default feeds, labels
 800         // or whatever else
 801
 802         // user preferences are checked on every login, not here
 803
 804         function initialize_user($uid) {
 805
 806                 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
 807                         values ('$uid', 'Tiny Tiny RSS: New Releases',
 808                         'http://tt-rss.org/releases.rss')");
 809
 810                 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
 811                         values ('$uid', 'Tiny Tiny RSS: Forum',
 812                                 'http://tt-rss.org/forum/rss.php')");
 813         }
 814
 815         function logout_user() {
 816                 session_destroy();
 817                 if (isset($_COOKIE[session_name()])) {
 818                    setcookie(session_name(), '', time()-42000, '/');
 819                 }
 820         }
 821
 822         function validate_csrf($csrf_token) {
 823                 return $csrf_token == $_SESSION['csrf_token'];
 824         }
 825
 826         function load_user_plugins($owner_uid) {
 827                 if ($owner_uid && SCHEMA_VERSION >= 100) {
 828                         $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
 829
 830                         PluginHost::getInstance()->load($plugins, PluginHost::KIND_USER, $owner_uid);
 831
 832                         if (get_schema_version() > 100) {
 833                                 PluginHost::getInstance()->load_data();
 834                         }
 835                 }
 836         }
 837
 838         function login_sequence() {
 839                 if (SINGLE_USER_MODE) {
 840                         @session_start();
 841                         authenticate_user("admin", null);
 842                         startup_gettext();
 843                         load_user_plugins($_SESSION["uid"]);
 844                 } else {
 845                         if (!validate_session()) $_SESSION["uid"] = false;
 846
 847                         if (!$_SESSION["uid"]) {
 848
 849                                 if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) {
 850                                     $_SESSION["ref_schema_version"] = get_schema_version(true);
 851                                 } else {
 852                                          authenticate_user(null, null, true);
 853                                 }
 854
 855                                 if (!$_SESSION["uid"]) {
 856                                         @session_destroy();
 857                                         setcookie(session_name(), '', time()-42000, '/');
 858
 859                                         render_login_form();
 860                                         exit;
 861                                 }
 862
 863                         } else {
 864                                 /* bump login timestamp */
 865                                 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 866                                         $_SESSION["uid"]);
 867                                 $_SESSION["last_login_update"] = time();
 868                         }
 869
 870                         if ($_SESSION["uid"]) {
 871                                 startup_gettext();
 872                                 load_user_plugins($_SESSION["uid"]);
 873
 874                                 /* cleanup ccache */
 875
 876                                 db_query("DELETE FROM ttrss_counters_cache WHERE owner_uid = ".
 877                                         $_SESSION["uid"] . " AND
 878                                                 (SELECT COUNT(id) FROM ttrss_feeds WHERE
 879                                                         ttrss_feeds.id = feed_id) = 0");
 880
 881                                 db_query("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ".
 882                                         $_SESSION["uid"] . " AND
 883                                                 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
 884                                                         ttrss_feed_categories.id = feed_id) = 0");
 885
 886                         }
 887
 888                 }
 889         }
 890
 891         function truncate_string($str, $max_len, $suffix = '&hellip;') {
 892                 if (mb_strlen($str, "utf-8") > $max_len) {
 893                         return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
 894                 } else {
 895                         return $str;
 896                 }
 897         }
 898
 899         function convert_timestamp($timestamp, $source_tz, $dest_tz) {
 900
 901                 try {
 902                         $source_tz = new DateTimeZone($source_tz);
 903                 } catch (Exception $e) {
 904                         $source_tz = new DateTimeZone('UTC');
 905                 }
 906
 907                 try {
 908                         $dest_tz = new DateTimeZone($dest_tz);
 909                 } catch (Exception $e) {
 910                         $dest_tz = new DateTimeZone('UTC');
 911                 }
 912
 913                 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
 914                 return $dt->format('U') + $dest_tz->getOffset($dt);
 915         }
 916
 917         function make_local_datetime($timestamp, $long, $owner_uid = false,
 918                                         $no_smart_dt = false) {
 919
 920                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
 921                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
 922
 923                 global $utc_tz;
 924                 global $user_tz;
 925
 926                 if (!$utc_tz) $utc_tz = new DateTimeZone('UTC');
 927
 928                 $timestamp = substr($timestamp, 0, 19);
 929
 930                 # We store date in UTC internally
 931                 $dt = new DateTime($timestamp, $utc_tz);
 932
 933                 $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
 934
 935                 if ($user_tz_string != 'Automatic') {
 936
 937                         try {
 938                                 if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string);
 939                         } catch (Exception $e) {
 940                                 $user_tz = $utc_tz;
 941                         }
 942
 943                         $tz_offset = $user_tz->getOffset($dt);
 944                 } else {
 945                         $tz_offset = (int) -$_SESSION["clientTzOffset"];
 946                 }
 947
 948                 $user_timestamp = $dt->format('U') + $tz_offset;
 949
 950                 if (!$no_smart_dt) {
 951                         return smart_date_time($user_timestamp,
 952                                 $tz_offset, $owner_uid);
 953                 } else {
 954                         if ($long)
 955                                 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
 956                         else
 957                                 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
 958
 959                         return date($format, $user_timestamp);
 960                 }
 961         }
 962
 963         function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false) {
 964                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
 965
 966                 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
 967                         return date("G:i", $timestamp);
 968                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
 969                         $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
 970                         return date($format, $timestamp);
 971                 } else {
 972                         $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
 973                         return date($format, $timestamp);
 974                 }
 975         }
 976
 977         function sql_bool_to_bool($s) {
 978                 if ($s == "t" || $s == "1" || strtolower($s) == "true") {
 979                         return true;
 980                 } else {
 981                         return false;
 982                 }
 983         }
 984
 985         function bool_to_sql_bool($s) {
 986                 if ($s) {
 987                         return "true";
 988                 } else {
 989                         return "false";
 990                 }
 991         }
 992
 993         // Session caching removed due to causing wrong redirects to upgrade
 994         // script when get_schema_version() is called on an obsolete session
 995         // created on a previous schema version.
 996         function get_schema_version($nocache = false) {
 997                 global $schema_version;
 998
 999                 if (!$schema_version && !$nocache) {
1000                         $result = db_query("SELECT schema_version FROM ttrss_version");
1001                         $version = db_fetch_result($result, 0, "schema_version");
1002                         $schema_version = $version;
1003                         return $version;
1004                 } else {
1005                         return $schema_version;
1006                 }
1007         }
1008
1009         function sanity_check() {
1010                 require_once 'errors.php';
1011                 global $ERRORS;
1012
1013                 $error_code = 0;
1014                 $schema_version = get_schema_version(true);
1015
1016                 if ($schema_version != SCHEMA_VERSION) {
1017                         $error_code = 5;
1018                 }
1019
1020                 if (DB_TYPE == "mysql") {
1021                         $result = db_query("SELECT true", false);
1022                         if (db_num_rows($result) != 1) {
1023                                 $error_code = 10;
1024                         }
1025                 }
1026
1027                 if (db_escape_string("testTEST") != "testTEST") {
1028                         $error_code = 12;
1029                 }
1030
1031                 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
1032         }
1033
1034         function file_is_locked($filename) {
1035                 if (file_exists(LOCK_DIRECTORY . "/$filename")) {
1036                         if (function_exists('flock')) {
1037                                 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
1038                                 if ($fp) {
1039                                         if (flock($fp, LOCK_EX | LOCK_NB)) {
1040                                                 flock($fp, LOCK_UN);
1041                                                 fclose($fp);
1042                                                 return false;
1043                                         }
1044                                         fclose($fp);
1045                                         return true;
1046                                 } else {
1047                                         return false;
1048                                 }
1049                         }
1050                         return true; // consider the file always locked and skip the test
1051                 } else {
1052                         return false;
1053                 }
1054         }
1055
1056
1057         function make_lockfile($filename) {
1058                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1059
1060                 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
1061                         $stat_h = fstat($fp);
1062                         $stat_f = stat(LOCK_DIRECTORY . "/$filename");
1063
1064                         if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
1065                                 if ($stat_h["ino"] != $stat_f["ino"] ||
1066                                                 $stat_h["dev"] != $stat_f["dev"]) {
1067
1068                                         return false;
1069                                 }
1070                         }
1071
1072                         if (function_exists('posix_getpid')) {
1073                                 fwrite($fp, posix_getpid() . "\n");
1074                         }
1075                         return $fp;
1076                 } else {
1077                         return false;
1078                 }
1079         }
1080
1081         function make_stampfile($filename) {
1082                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1083
1084                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1085                         fwrite($fp, time() . "\n");
1086                         flock($fp, LOCK_UN);
1087                         fclose($fp);
1088                         return true;
1089                 } else {
1090                         return false;
1091                 }
1092         }
1093
1094         function sql_random_function() {
1095                 if (DB_TYPE == "mysql") {
1096                         return "RAND()";
1097                 } else {
1098                         return "RANDOM()";
1099                 }
1100         }
1101
1102         function catchup_feed($feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all') {
1103
1104                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1105
1106                         //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1107
1108                         // Todo: all this interval stuff needs some generic generator function
1109
1110                         $date_qpart = "false";
1111
1112                         switch ($mode) {
1113                         case "1day":
1114                                 if (DB_TYPE == "pgsql") {
1115                                         $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1116                                 } else {
1117                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1118                                 }
1119                                 break;
1120                         case "1week":
1121                                 if (DB_TYPE == "pgsql") {
1122                                         $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1123                                 } else {
1124                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1125                                 }
1126                                 break;
1127                         case "2week":
1128                                 if (DB_TYPE == "pgsql") {
1129                                         $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1130                                 } else {
1131                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1132                                 }
1133                                 break;
1134                         default:
1135                                 $date_qpart = "true";
1136                         }
1137
1138                         if (is_numeric($feed)) {
1139                                 if ($cat_view) {
1140
1141                                         if ($feed >= 0) {
1142
1143                                                 if ($feed > 0) {
1144                                                         $children = getChildCategories($feed, $owner_uid);
1145                                                         array_push($children, $feed);
1146
1147                                                         $children = join(",", $children);
1148
1149                                                         $cat_qpart = "cat_id IN ($children)";
1150                                                 } else {
1151                                                         $cat_qpart = "cat_id IS NULL";
1152                                                 }
1153
1154                                                 db_query("UPDATE ttrss_user_entries
1155                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1156                                                                 (SELECT id FROM
1157                                                                         (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1158                                                                                 AND owner_uid = $owner_uid AND unread = true AND feed_id IN
1159                                                                                         (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart) as tmp)");
1160
1161                                         } else if ($feed == -2) {
1162
1163                                                 db_query("UPDATE ttrss_user_entries
1164                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1165                                                                 FROM ttrss_user_labels2, ttrss_entries WHERE article_id = ref_id AND id = ref_id AND $date_qpart) > 0
1166                                                                 AND unread = true AND owner_uid = $owner_uid");
1167                                         }
1168
1169                                 } else if ($feed > 0) {
1170
1171                                         db_query("UPDATE ttrss_user_entries
1172                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1173                                                         (SELECT id FROM
1174                                                                 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1175                                                                         AND owner_uid = $owner_uid AND unread = true AND feed_id = $feed AND $date_qpart) as tmp)");
1176
1177                                 } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1178
1179                                         if ($feed == -1) {
1180                                                 db_query("UPDATE ttrss_user_entries
1181                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1182                                                                 (SELECT id FROM
1183                                                                         (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1184                                                                                 AND owner_uid = $owner_uid AND unread = true AND marked = true AND $date_qpart) as tmp)");
1185                                         }
1186
1187                                         if ($feed == -2) {
1188                                                 db_query("UPDATE ttrss_user_entries
1189                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1190                                                                 (SELECT id FROM
1191                                                                         (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1192                                                                                 AND owner_uid = $owner_uid AND unread = true AND published = true AND $date_qpart) as tmp)");
1193                                         }
1194
1195                                         if ($feed == -3) {
1196
1197                                                 $intl = get_pref("FRESH_ARTICLE_MAX_AGE");
1198
1199                                                 if (DB_TYPE == "pgsql") {
1200                                                         $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1201                                                 } else {
1202                                                         $match_part = "date_entered > DATE_SUB(NOW(),
1203                                                                 INTERVAL $intl HOUR) ";
1204                                                 }
1205
1206                                                 db_query("UPDATE ttrss_user_entries
1207                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1208                                                                 (SELECT id FROM
1209                                                                         (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1210                                                                                 AND owner_uid = $owner_uid AND score >= 0 AND unread = true AND $date_qpart AND $match_part) as tmp)");
1211                                         }
1212
1213                                         if ($feed == -4) {
1214                                                 db_query("UPDATE ttrss_user_entries
1215                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1216                                                                 (SELECT id FROM
1217                                                                         (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1218                                                                                 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1219                                         }
1220
1221                                 } else if ($feed < LABEL_BASE_INDEX) { // label
1222
1223                                         $label_id = feed_to_label_id($feed);
1224
1225                                         db_query("UPDATE ttrss_user_entries
1226                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1227                                                         (SELECT id FROM
1228                                                                 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1229                                                                         AND label_id = '$label_id' AND ref_id = article_id
1230                                                                         AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1231
1232                                 }
1233
1234                                 ccache_update($feed, $owner_uid, $cat_view);
1235
1236                         } else { // tag
1237                                 db_query("UPDATE ttrss_user_entries
1238                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1239                                                 (SELECT id FROM
1240                                                         (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1241                                                                 AND post_int_id = int_id AND tag_name = '$feed'
1242                                                                 AND ttrss_user_entries.owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1243
1244                         }
1245         }
1246
1247         function getAllCounters() {
1248                 $data = getGlobalCounters();
1249
1250                 $data = array_merge($data, getVirtCounters());
1251                 $data = array_merge($data, getLabelCounters());
1252                 $data = array_merge($data, getFeedCounters());
1253                 $data = array_merge($data, getCategoryCounters());
1254
1255                 return $data;
1256         }
1257
1258         function getCategoryTitle($cat_id) {
1259
1260                 if ($cat_id == -1) {
1261                         return __("Special");
1262                 } else if ($cat_id == -2) {
1263                         return __("Labels");
1264                 } else {
1265
1266                         $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1267                                 id = '$cat_id'");
1268
1269                         if (db_num_rows($result) == 1) {
1270                                 return db_fetch_result($result, 0, "title");
1271                         } else {
1272                                 return __("Uncategorized");
1273                         }
1274                 }
1275         }
1276
1277
1278         function getCategoryCounters() {
1279                 $ret_arr = array();
1280
1281                 /* Labels category */
1282
1283                 $cv = array("id" => -2, "kind" => "cat",
1284                         "counter" => getCategoryUnread(-2));
1285
1286                 array_push($ret_arr, $cv);
1287
1288                 $result = db_query("SELECT id AS cat_id, value AS unread,
1289                         (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1290                                 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1291                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
1292                         WHERE ttrss_cat_counters_cache.feed_id = id AND
1293                         ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1294                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1295
1296                 while ($line = db_fetch_assoc($result)) {
1297                         $line["cat_id"] = (int) $line["cat_id"];
1298
1299                         if ($line["num_children"] > 0) {
1300                                 $child_counter = getCategoryChildrenUnread($line["cat_id"], $_SESSION["uid"]);
1301                         } else {
1302                                 $child_counter = 0;
1303                         }
1304
1305                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
1306                                 "counter" => $line["unread"] + $child_counter);
1307
1308                         array_push($ret_arr, $cv);
1309                 }
1310
1311                 /* Special case: NULL category doesn't actually exist in the DB */
1312
1313                 $cv = array("id" => 0, "kind" => "cat",
1314                         "counter" => (int) ccache_find(0, $_SESSION["uid"], true));
1315
1316                 array_push($ret_arr, $cv);
1317
1318                 return $ret_arr;
1319         }
1320
1321         // only accepts real cats (>= 0)
1322         function getCategoryChildrenUnread($cat, $owner_uid = false) {
1323                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1324
1325                 $result = db_query("SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1326                                 AND owner_uid = $owner_uid");
1327
1328                 $unread = 0;
1329
1330                 while ($line = db_fetch_assoc($result)) {
1331                         $unread += getCategoryUnread($line["id"], $owner_uid);
1332                         $unread += getCategoryChildrenUnread($line["id"], $owner_uid);
1333                 }
1334
1335                 return $unread;
1336         }
1337
1338         function getCategoryUnread($cat, $owner_uid = false) {
1339
1340                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1341
1342                 if ($cat >= 0) {
1343
1344                         if ($cat != 0) {
1345                                 $cat_query = "cat_id = '$cat'";
1346                         } else {
1347                                 $cat_query = "cat_id IS NULL";
1348                         }
1349
1350                         $result = db_query("SELECT id FROM ttrss_feeds WHERE $cat_query
1351                                         AND owner_uid = " . $owner_uid);
1352
1353                         $cat_feeds = array();
1354                         while ($line = db_fetch_assoc($result)) {
1355                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
1356                         }
1357
1358                         if (count($cat_feeds) == 0) return 0;
1359
1360                         $match_part = implode(" OR ", $cat_feeds);
1361
1362                         $result = db_query("SELECT COUNT(int_id) AS unread
1363                                 FROM ttrss_user_entries
1364                                 WHERE   unread = true AND ($match_part)
1365                                 AND owner_uid = " . $owner_uid);
1366
1367                         $unread = 0;
1368
1369                         # this needs to be rewritten
1370                         while ($line = db_fetch_assoc($result)) {
1371                                 $unread += $line["unread"];
1372                         }
1373
1374                         return $unread;
1375                 } else if ($cat == -1) {
1376                         return getFeedUnread(-1) + getFeedUnread(-2) + getFeedUnread(-3) + getFeedUnread(0);
1377                 } else if ($cat == -2) {
1378
1379                         $result = db_query("
1380                                 SELECT COUNT(unread) AS unread FROM
1381                                         ttrss_user_entries, ttrss_user_labels2
1382                                 WHERE article_id = ref_id AND unread = true
1383                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
1384
1385                         $unread = db_fetch_result($result, 0, "unread");
1386
1387                         return $unread;
1388
1389                 }
1390         }
1391
1392         function getFeedUnread($feed, $is_cat = false) {
1393                 return getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1394         }
1395
1396         function getLabelUnread($label_id, $owner_uid = false) {
1397                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1398
1399                 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1400                         WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1401
1402                 if (db_num_rows($result) != 0) {
1403                         return db_fetch_result($result, 0, "unread");
1404                 } else {
1405                         return 0;
1406                 }
1407         }
1408
1409         function getFeedArticles($feed, $is_cat = false, $unread_only = false,
1410                 $owner_uid = false) {
1411
1412                 $n_feed = (int) $feed;
1413                 $need_entries = false;
1414
1415                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1416
1417                 if ($unread_only) {
1418                         $unread_qpart = "unread = true";
1419                 } else {
1420                         $unread_qpart = "true";
1421                 }
1422
1423                 if ($is_cat) {
1424                         return getCategoryUnread($n_feed, $owner_uid);
1425                 } else if ($n_feed == -6) {
1426                         return 0;
1427                 } else if ($feed != "0" && $n_feed == 0) {
1428
1429                         $feed = db_escape_string($feed);
1430
1431                         $result = db_query("SELECT SUM((SELECT COUNT(int_id)
1432                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1433                                         AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1434                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1435                         return db_fetch_result($result, 0, "count");
1436
1437                 } else if ($n_feed == -1) {
1438                         $match_part = "marked = true";
1439                 } else if ($n_feed == -2) {
1440                         $match_part = "published = true";
1441                 } else if ($n_feed == -3) {
1442                         $match_part = "unread = true AND score >= 0";
1443
1444                         $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1445
1446                         if (DB_TYPE == "pgsql") {
1447                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
1448                         } else {
1449                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1450                         }
1451
1452                         $need_entries = true;
1453
1454                 } else if ($n_feed == -4) {
1455                         $match_part = "true";
1456                 } else if ($n_feed >= 0) {
1457
1458                         if ($n_feed != 0) {
1459                                 $match_part = "feed_id = '$n_feed'";
1460                         } else {
1461                                 $match_part = "feed_id IS NULL";
1462                         }
1463
1464                 } else if ($feed < LABEL_BASE_INDEX) {
1465
1466                         $label_id = feed_to_label_id($feed);
1467
1468                         return getLabelUnread($label_id, $owner_uid);
1469
1470                 }
1471
1472                 if ($match_part) {
1473
1474                         if ($need_entries) {
1475                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
1476                                 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1477                         } else {
1478                                 $from_qpart = "ttrss_user_entries";
1479                                 $from_where = "";
1480                         }
1481
1482                         $query = "SELECT count(int_id) AS unread
1483                                 FROM $from_qpart WHERE
1484                                 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1485
1486                         //echo "[$feed/$query]\n";
1487
1488                         $result = db_query($query);
1489
1490                 } else {
1491
1492                         $result = db_query("SELECT COUNT(post_int_id) AS unread
1493                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1494                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1495                                 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1496                 }
1497
1498                 $unread = db_fetch_result($result, 0, "unread");
1499
1500                 return $unread;
1501         }
1502
1503         function getGlobalUnread($user_id = false) {
1504
1505                 if (!$user_id) {
1506                         $user_id = $_SESSION["uid"];
1507                 }
1508
1509                 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1510                         WHERE owner_uid = '$user_id' AND feed_id > 0");
1511
1512                 $c_id = db_fetch_result($result, 0, "c_id");
1513
1514                 return $c_id;
1515         }
1516
1517         function getGlobalCounters($global_unread = -1) {
1518                 $ret_arr = array();
1519
1520                 if ($global_unread == -1) {
1521                         $global_unread = getGlobalUnread();
1522                 }
1523
1524                 $cv = array("id" => "global-unread",
1525                         "counter" => (int) $global_unread);
1526
1527                 array_push($ret_arr, $cv);
1528
1529                 $result = db_query("SELECT COUNT(id) AS fn FROM
1530                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1531
1532                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1533
1534                 $cv = array("id" => "subscribed-feeds",
1535                         "counter" => (int) $subscribed_feeds);
1536
1537                 array_push($ret_arr, $cv);
1538
1539                 return $ret_arr;
1540         }
1541
1542         function getVirtCounters() {
1543
1544                 $ret_arr = array();
1545
1546                 for ($i = 0; $i >= -4; $i--) {
1547
1548                         $count = getFeedUnread($i);
1549
1550                         if ($i == 0 || $i == -1 || $i == -2)
1551                                 $auxctr = getFeedArticles($i, false);
1552                         else
1553                                 $auxctr = 0;
1554
1555                         $cv = array("id" => $i,
1556                                 "counter" => (int) $count,
1557                                 "auxcounter" => $auxctr);
1558
1559 //                      if (get_pref('EXTENDED_FEEDLIST'))
1560 //                              $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1561
1562                         array_push($ret_arr, $cv);
1563                 }
1564
1565                 $feeds = PluginHost::getInstance()->get_feeds(-1);
1566
1567                 if (is_array($feeds)) {
1568                         foreach ($feeds as $feed) {
1569                                 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1570                                         "counter" => $feed['sender']->get_unread($feed['id']));
1571
1572                                 if (method_exists($feed['sender'], 'get_total'))
1573                                         $cv["auxcounter"] = $feed['sender']->get_total($feed['id']);
1574
1575                                 array_push($ret_arr, $cv);
1576                         }
1577                 }
1578
1579                 return $ret_arr;
1580         }
1581
1582         function getLabelCounters($descriptions = false) {
1583
1584                 $ret_arr = array();
1585
1586                 $owner_uid = $_SESSION["uid"];
1587
1588                 $result = db_query("SELECT id,caption,SUM(CASE WHEN u1.unread = true THEN 1 ELSE 0 END) AS unread, COUNT(u1.unread) AS total
1589                         FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1590                                 (ttrss_labels2.id = label_id)
1591                                 LEFT JOIN ttrss_user_entries AS u1 ON u1.ref_id = article_id
1592                                 WHERE ttrss_labels2.owner_uid = $owner_uid GROUP BY ttrss_labels2.id,
1593                                         ttrss_labels2.caption");
1594
1595                 while ($line = db_fetch_assoc($result)) {
1596
1597                         $id = label_to_feed_id($line["id"]);
1598
1599                         $cv = array("id" => $id,
1600                                 "counter" => (int) $line["unread"],
1601                                 "auxcounter" => (int) $line["total"]);
1602
1603                         if ($descriptions)
1604                                 $cv["description"] = $line["caption"];
1605
1606                         array_push($ret_arr, $cv);
1607                 }
1608
1609                 return $ret_arr;
1610         }
1611
1612         function getFeedCounters($active_feed = false) {
1613
1614                 $ret_arr = array();
1615
1616                 $query = "SELECT ttrss_feeds.id,
1617                                 ttrss_feeds.title,
1618                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1619                                 last_error, value AS count
1620                         FROM ttrss_feeds, ttrss_counters_cache
1621                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1622                                 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1623                                 AND ttrss_counters_cache.feed_id = id";
1624
1625                 $result = db_query($query);
1626
1627                 while ($line = db_fetch_assoc($result)) {
1628
1629                         $id = $line["id"];
1630                         $count = $line["count"];
1631                         $last_error = htmlspecialchars($line["last_error"]);
1632
1633                         $last_updated = make_local_datetime($line['last_updated'], false);
1634
1635                         $has_img = feed_has_icon($id);
1636
1637                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1638                                 $last_updated = '';
1639
1640                         $cv = array("id" => $id,
1641                                 "updated" => $last_updated,
1642                                 "counter" => (int) $count,
1643                                 "has_img" => (int) $has_img);
1644
1645                         if ($last_error)
1646                                 $cv["error"] = $last_error;
1647
1648 //                      if (get_pref('EXTENDED_FEEDLIST'))
1649 //                              $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1650
1651                         if ($active_feed && $id == $active_feed)
1652                                 $cv["title"] = truncate_string($line["title"], 30);
1653
1654                         array_push($ret_arr, $cv);
1655
1656                 }
1657
1658                 return $ret_arr;
1659         }
1660
1661         function get_pgsql_version() {
1662                 $result = db_query("SELECT version() AS version");
1663                 $version = explode(" ", db_fetch_result($result, 0, "version"));
1664                 return $version[1];
1665         }
1666
1667         /**
1668          * @return array (code => Status code, message => error message if available)
1669          *
1670          *                 0 - OK, Feed already exists
1671          *                 1 - OK, Feed added
1672          *                 2 - Invalid URL
1673          *                 3 - URL content is HTML, no feeds available
1674          *                 4 - URL content is HTML which contains multiple feeds.
1675          *                     Here you should call extractfeedurls in rpc-backend
1676          *                     to get all possible feeds.
1677          *                 5 - Couldn't download the URL content.
1678          *                 6 - Content is an invalid XML.
1679          */
1680         function subscribe_to_feed($url, $cat_id = 0,
1681                         $auth_login = '', $auth_pass = '') {
1682
1683                 global $fetch_last_error;
1684
1685                 require_once "include/rssfuncs.php";
1686
1687                 $url = fix_url($url);
1688
1689                 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1690
1691                 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1692
1693                 if (!$contents) {
1694                         return array("code" => 5, "message" => $fetch_last_error);
1695                 }
1696
1697                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SUBSCRIBE_FEED) as $plugin) {
1698                         $contents = $plugin->hook_subscribe_feed($contents, $url, $auth_login, $auth_pass);
1699                 }
1700
1701                 if (is_html($contents)) {
1702                         $feedUrls = get_feeds_from_html($url, $contents);
1703
1704                         if (count($feedUrls) == 0) {
1705                                 return array("code" => 3);
1706                         } else if (count($feedUrls) > 1) {
1707                                 return array("code" => 4, "feeds" => $feedUrls);
1708                         }
1709                         //use feed url as new URL
1710                         $url = key($feedUrls);
1711                 }
1712
1713                 if ($cat_id == "0" || !$cat_id) {
1714                         $cat_qpart = "NULL";
1715                 } else {
1716                         $cat_qpart = "'$cat_id'";
1717                 }
1718
1719                 $result = db_query(
1720                         "SELECT id FROM ttrss_feeds
1721                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1722
1723                 if (strlen(FEED_CRYPT_KEY) > 0) {
1724                         require_once "crypt.php";
1725                         $auth_pass = substr(encrypt_string($auth_pass), 0, 250);
1726                         $auth_pass_encrypted = 'true';
1727                 } else {
1728                         $auth_pass_encrypted = 'false';
1729                 }
1730
1731                 $auth_pass = db_escape_string($auth_pass);
1732
1733                 if (db_num_rows($result) == 0) {
1734                         $result = db_query(
1735                                 "INSERT INTO ttrss_feeds
1736                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1737                                 VALUES ('".$_SESSION["uid"]."', '$url',
1738                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0, $auth_pass_encrypted)");
1739
1740                         $result = db_query(
1741                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1742                                         AND owner_uid = " . $_SESSION["uid"]);
1743
1744                         $feed_id = db_fetch_result($result, 0, "id");
1745
1746                         if ($feed_id) {
1747                                 update_rss_feed($feed_id, true);
1748                         }
1749
1750                         return array("code" => 1);
1751                 } else {
1752                         return array("code" => 0);
1753                 }
1754         }
1755
1756         function print_feed_select($id, $default_id = "",
1757                 $attributes = "", $include_all_feeds = true,
1758                 $root_id = false, $nest_level = 0) {
1759
1760                 if (!$root_id) {
1761                         print "<select id=\"$id\" name=\"$id\" $attributes>";
1762                         if ($include_all_feeds) {
1763                                 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1764                                 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1765                         }
1766                 }
1767
1768                 if (get_pref('ENABLE_FEED_CATS')) {
1769
1770                         if ($root_id)
1771                                 $parent_qpart = "parent_cat = '$root_id'";
1772                         else
1773                                 $parent_qpart = "parent_cat IS NULL";
1774
1775                         $result = db_query("SELECT id,title,
1776                                 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1777                                         c2.parent_cat = ttrss_feed_categories.id) AS num_children
1778                                 FROM ttrss_feed_categories
1779                                 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1780
1781                         while ($line = db_fetch_assoc($result)) {
1782
1783                                 for ($i = 0; $i < $nest_level; $i++)
1784                                         $line["title"] = " - " . $line["title"];
1785
1786                                 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1787
1788                                 printf("<option $is_selected value='CAT:%d'>%s</option>",
1789                                         $line["id"], htmlspecialchars($line["title"]));
1790
1791                                 if ($line["num_children"] > 0)
1792                                         print_feed_select($id, $default_id, $attributes,
1793                                                 $include_all_feeds, $line["id"], $nest_level+1);
1794
1795                                 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1796                                         WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1797
1798                                 while ($fline = db_fetch_assoc($feed_result)) {
1799                                         $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1800
1801                                         $fline["title"] = " + " . $fline["title"];
1802
1803                                         for ($i = 0; $i < $nest_level; $i++)
1804                                                 $fline["title"] = " - " . $fline["title"];
1805
1806                                         printf("<option $is_selected value='%d'>%s</option>",
1807                                                 $fline["id"], htmlspecialchars($fline["title"]));
1808                                 }
1809                         }
1810
1811                         if (!$root_id) {
1812                                 $default_is_cat = ($default_id == "CAT:0");
1813                                 $is_selected = $default_is_cat ? "selected=\"1\"" : "";
1814
1815                                 printf("<option $is_selected value='CAT:0'>%s</option>",
1816                                         __("Uncategorized"));
1817
1818                                 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1819                                         WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1820
1821                                 while ($fline = db_fetch_assoc($feed_result)) {
1822                                         $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1823
1824                                         $fline["title"] = " + " . $fline["title"];
1825
1826                                         for ($i = 0; $i < $nest_level; $i++)
1827                                                 $fline["title"] = " - " . $fline["title"];
1828
1829                                         printf("<option $is_selected value='%d'>%s</option>",
1830                                                 $fline["id"], htmlspecialchars($fline["title"]));
1831                                 }
1832                         }
1833
1834                 } else {
1835                         $result = db_query("SELECT id,title FROM ttrss_feeds
1836                                 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1837
1838                         while ($line = db_fetch_assoc($result)) {
1839
1840                                 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1841
1842                                 printf("<option $is_selected value='%d'>%s</option>",
1843                                         $line["id"], htmlspecialchars($line["title"]));
1844                         }
1845                 }
1846
1847                 if (!$root_id) {
1848                         print "</select>";
1849                 }
1850         }
1851
1852         function print_feed_cat_select($id, $default_id,
1853                 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1854
1855                         if (!$root_id) {
1856                                         print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1857                         }
1858
1859                         if ($root_id)
1860                                 $parent_qpart = "parent_cat = '$root_id'";
1861                         else
1862                                 $parent_qpart = "parent_cat IS NULL";
1863
1864                         $result = db_query("SELECT id,title,
1865                                 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1866                                         c2.parent_cat = ttrss_feed_categories.id) AS num_children
1867                                 FROM ttrss_feed_categories
1868                                 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1869
1870                         while ($line = db_fetch_assoc($result)) {
1871                                 if ($line["id"] == $default_id) {
1872                                         $is_selected = "selected=\"1\"";
1873                                 } else {
1874                                         $is_selected = "";
1875                                 }
1876
1877                                 for ($i = 0; $i < $nest_level; $i++)
1878                                         $line["title"] = " - " . $line["title"];
1879
1880                                 if ($line["title"])
1881                                         printf("<option $is_selected value='%d'>%s</option>",
1882                                                 $line["id"], htmlspecialchars($line["title"]));
1883
1884                                 if ($line["num_children"] > 0)
1885                                         print_feed_cat_select($id, $default_id, $attributes,
1886                                                 $include_all_cats, $line["id"], $nest_level+1);
1887                         }
1888
1889                         if (!$root_id) {
1890                                 if ($include_all_cats) {
1891                                         if (db_num_rows($result) > 0) {
1892                                                 print "<option disabled=\"1\">--------</option>";
1893                                         }
1894
1895                                         if ($default_id == 0) {
1896                                                 $is_selected = "selected=\"1\"";
1897                                         } else {
1898                                                 $is_selected = "";
1899                                         }
1900
1901                                         print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1902                                 }
1903                                 print "</select>";
1904                         }
1905                 }
1906
1907         function checkbox_to_sql_bool($val) {
1908                 return ($val == "on") ? "true" : "false";
1909         }
1910
1911         function getFeedCatTitle($id) {
1912                 if ($id == -1) {
1913                         return __("Special");
1914                 } else if ($id < LABEL_BASE_INDEX) {
1915                         return __("Labels");
1916                 } else if ($id > 0) {
1917                         $result = db_query("SELECT ttrss_feed_categories.title
1918                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1919                                         cat_id = ttrss_feed_categories.id");
1920                         if (db_num_rows($result) == 1) {
1921                                 return db_fetch_result($result, 0, "title");
1922                         } else {
1923                                 return __("Uncategorized");
1924                         }
1925                 } else {
1926                         return "getFeedCatTitle($id) failed";
1927                 }
1928
1929         }
1930
1931         function getFeedIcon($id) {
1932                 switch ($id) {
1933                 case 0:
1934                         return "images/archive.png";
1935                         break;
1936                 case -1:
1937                         return "images/star.png";
1938                         break;
1939                 case -2:
1940                         return "images/feed.png";
1941                         break;
1942                 case -3:
1943                         return "images/fresh.png";
1944                         break;
1945                 case -4:
1946                         return "images/folder.png";
1947                         break;
1948                 case -6:
1949                         return "images/time.png";
1950                         break;
1951                 default:
1952                         if ($id < LABEL_BASE_INDEX) {
1953                                 return "images/label.png";
1954                         } else {
1955                                 if (file_exists(ICONS_DIR . "/$id.ico"))
1956                                         return ICONS_URL . "/$id.ico";
1957                         }
1958                         break;
1959                 }
1960
1961                 return false;
1962         }
1963
1964         function getFeedTitle($id, $cat = false) {
1965                 if ($cat) {
1966                         return getCategoryTitle($id);
1967                 } else if ($id == -1) {
1968                         return __("Starred articles");
1969                 } else if ($id == -2) {
1970                         return __("Published articles");
1971                 } else if ($id == -3) {
1972                         return __("Fresh articles");
1973                 } else if ($id == -4) {
1974                         return __("All articles");
1975                 } else if ($id === 0 || $id === "0") {
1976                         return __("Archived articles");
1977                 } else if ($id == -6) {
1978                         return __("Recently read");
1979                 } else if ($id < LABEL_BASE_INDEX) {
1980                         $label_id = feed_to_label_id($id);
1981                         $result = db_query("SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
1982                         if (db_num_rows($result) == 1) {
1983                                 return db_fetch_result($result, 0, "caption");
1984                         } else {
1985                                 return "Unknown label ($label_id)";
1986                         }
1987
1988                 } else if (is_numeric($id) && $id > 0) {
1989                         $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$id'");
1990                         if (db_num_rows($result) == 1) {
1991                                 return db_fetch_result($result, 0, "title");
1992                         } else {
1993                                 return "Unknown feed ($id)";
1994                         }
1995                 } else {
1996                         return $id;
1997                 }
1998         }
1999
2000         // TODO: less dumb splitting
2001         require_once "functions2.php";
2002
2003 ?>