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_curl_used = false;
  14         $suppress_debugging = false;
  15
  16         mb_internal_encoding("UTF-8");
  17         date_default_timezone_set('UTC');
  18         if (defined('E_DEPRECATED')) {
  19                 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
  20         } else {
  21                 error_reporting(E_ALL & ~E_NOTICE);
  22         }
  23
  24         require_once 'config.php';
  25
  26         /**
  27          * Define a constant if not already defined
  28          *
  29          * @param string $name The constant name.
  30          * @param mixed $value The constant value.
  31          * @access public
  32          * @return boolean True if defined successfully or not.
  33          */
  34         function define_default($name, $value) {
  35                 defined($name) or define($name, $value);
  36         }
  37
  38         ///// Some defaults that you can override in config.php //////
  39
  40         define_default('FEED_FETCH_TIMEOUT', 45);
  41         // How may seconds to wait for response when requesting feed from a site
  42         define_default('FEED_FETCH_NO_CACHE_TIMEOUT', 15);
  43         // How may seconds to wait for response when requesting feed from a
  44         // site when that feed wasn't cached before
  45         define_default('FILE_FETCH_TIMEOUT', 45);
  46         // Default timeout when fetching files from remote sites
  47         define_default('FILE_FETCH_CONNECT_TIMEOUT', 15);
  48         // How many seconds to wait for initial response from website when
  49         // fetching files from remote sites
  50
  51         if (DB_TYPE == "pgsql") {
  52                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  53         } else {
  54                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  55         }
  56
  57         /**
  58          * Return available translations names.
  59          *
  60          * @access public
  61          * @return array A array of available translations.
  62          */
  63         function get_translations() {
  64                 $tr = array(
  65                                         "auto"  => "Detect automatically",
  66                                         "da_DA" => "Dansk",
  67                                         "ca_CA" => "Català",
  68                                         "cs_CZ" => "Česky",
  69                                         "en_US" => "English",
  70                                         "el_GR" => "Ελληνικά",
  71                                         "es_ES" => "Español (España)",
  72                                         "es_LA" => "Español",
  73                                         "de_DE" => "Deutsch",
  74                                         "fr_FR" => "Français",
  75                                         "hu_HU" => "Magyar (Hungarian)",
  76                                         "it_IT" => "Italiano",
  77                                         "ja_JP" => "日本語 (Japanese)",
  78                                         "lv_LV" => "Latviešu",
  79                                         "nb_NO" => "Norwegian bokmål",
  80                                         "nl_NL" => "Dutch",
  81                                         "pl_PL" => "Polski",
  82                                         "ru_RU" => "Русский",
  83                                         "pt_BR" => "Portuguese/Brazil",
  84                                         "pt_PT" => "Portuguese/Portugal",
  85                                         "zh_CN" => "Simplified Chinese",
  86                                         "zh_TW" => "Traditional Chinese",
  87                                         "sv_SE" => "Svenska",
  88                                         "fi_FI" => "Suomi",
  89                                         "tr_TR" => "Türkçe");
  90
  91                 return $tr;
  92         }
  93
  94         require_once "lib/accept-to-gettext.php";
  95         require_once "lib/gettext/gettext.inc";
  96
  97         require_once "lib/languagedetect/LanguageDetect.php";
  98
  99         function startup_gettext() {
 100
 101                 # Get locale from Accept-Language header
 102                 $lang = al2gt(array_keys(get_translations()), "text/html");
 103
 104                 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
 105                         $lang = _TRANSLATION_OVERRIDE_DEFAULT;
 106                 }
 107
 108                 if ($_SESSION["uid"] && get_schema_version() >= 120) {
 109                         $pref_lang = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
 110
 111                         if ($pref_lang && $pref_lang != 'auto') {
 112                                 $lang = $pref_lang;
 113                         }
 114                 }
 115
 116                 if ($lang) {
 117                         if (defined('LC_MESSAGES')) {
 118                                 _setlocale(LC_MESSAGES, $lang);
 119                         } else if (defined('LC_ALL')) {
 120                                 _setlocale(LC_ALL, $lang);
 121                         }
 122
 123                         _bindtextdomain("messages", "locale");
 124
 125                         _textdomain("messages");
 126                         _bind_textdomain_codeset("messages", "UTF-8");
 127                 }
 128         }
 129
 130         require_once 'db-prefs.php';
 131         require_once 'version.php';
 132         require_once 'ccache.php';
 133         require_once 'labels.php';
 134
 135         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
 136         ini_set('user_agent', SELF_USER_AGENT);
 137
 138         require_once 'lib/pubsubhubbub/publisher.php';
 139
 140         $schema_version = false;
 141
 142         function _debug_suppress($suppress) {
 143                 global $suppress_debugging;
 144
 145                 $suppress_debugging = $suppress;
 146         }
 147
 148         /**
 149          * Print a timestamped debug message.
 150          *
 151          * @param string $msg The debug message.
 152          * @return void
 153          */
 154         function _debug($msg, $show = true) {
 155                 global $suppress_debugging;
 156
 157                 //echo "[$suppress_debugging] $msg $show\n";
 158
 159                 if ($suppress_debugging) return false;
 160
 161                 $ts = strftime("%H:%M:%S", time());
 162                 if (function_exists('posix_getpid')) {
 163                         $ts = "$ts/" . posix_getpid();
 164                 }
 165
 166                 if ($show && !(defined('QUIET') && QUIET)) {
 167                         print "[$ts] $msg\n";
 168                 }
 169
 170                 if (defined('LOGFILE'))  {
 171                         $fp = fopen(LOGFILE, 'a+');
 172
 173                         if ($fp) {
 174                                 $locked = false;
 175
 176                                 if (function_exists("flock")) {
 177                                         $tries = 0;
 178
 179                                         // try to lock logfile for writing
 180                                         while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB)) {
 181                                                 sleep(1);
 182                                                 ++$tries;
 183                                         }
 184
 185                                         if (!$locked) {
 186                                                 fclose($fp);
 187                                                 return;
 188                                         }
 189                                 }
 190
 191                                 fputs($fp, "[$ts] $msg\n");
 192
 193                                 if (function_exists("flock")) {
 194                                         flock($fp, LOCK_UN);
 195                                 }
 196
 197                                 fclose($fp);
 198                         }
 199                 }
 200
 201         } // function _debug
 202
 203         /**
 204          * Purge a feed old posts.
 205          *
 206          * @param mixed $link A database connection.
 207          * @param mixed $feed_id The id of the purged feed.
 208          * @param mixed $purge_interval Olderness of purged posts.
 209          * @param boolean $debug Set to True to enable the debug. False by default.
 210          * @access public
 211          * @return void
 212          */
 213         function purge_feed($feed_id, $purge_interval, $debug = false) {
 214
 215                 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
 216
 217                 $rows = -1;
 218
 219                 $result = db_query(
 220                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 221
 222                 $owner_uid = false;
 223
 224                 if (db_num_rows($result) == 1) {
 225                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 226                 }
 227
 228                 if ($purge_interval == -1 || !$purge_interval) {
 229                         if ($owner_uid) {
 230                                 ccache_update($feed_id, $owner_uid);
 231                         }
 232                         return;
 233                 }
 234
 235                 if (!$owner_uid) return;
 236
 237                 if (FORCE_ARTICLE_PURGE == 0) {
 238                         $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
 239                                 $owner_uid, false);
 240                 } else {
 241                         $purge_unread = true;
 242                         $purge_interval = FORCE_ARTICLE_PURGE;
 243                 }
 244
 245                 if (!$purge_unread) $query_limit = " unread = false AND ";
 246
 247                 if (DB_TYPE == "pgsql") {
 248                         $pg_version = get_pgsql_version();
 249
 250                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 251
 252                                 $result = db_query("DELETE FROM ttrss_user_entries WHERE
 253                                         ttrss_entries.id = ref_id AND
 254                                         marked = false AND
 255                                         feed_id = '$feed_id' AND
 256                                         $query_limit
 257                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 258
 259                         } else {
 260
 261                                 $result = db_query("DELETE FROM ttrss_user_entries
 262                                         USING ttrss_entries
 263                                         WHERE ttrss_entries.id = ref_id AND
 264                                         marked = false AND
 265                                         feed_id = '$feed_id' AND
 266                                         $query_limit
 267                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 268                         }
 269
 270                 } else {
 271
 272 /*                      $result = db_query("DELETE FROM ttrss_user_entries WHERE
 273                                 marked = false AND feed_id = '$feed_id' AND
 274                                 (SELECT date_updated FROM ttrss_entries WHERE
 275                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 276
 277                         $result = db_query("DELETE FROM ttrss_user_entries
 278                                 USING ttrss_user_entries, ttrss_entries
 279                                 WHERE ttrss_entries.id = ref_id AND
 280                                 marked = false AND
 281                                 feed_id = '$feed_id' AND
 282                                 $query_limit
 283                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 284                 }
 285
 286                 $rows = db_affected_rows($result);
 287
 288                 ccache_update($feed_id, $owner_uid);
 289
 290                 if ($debug) {
 291                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 292                 }
 293
 294                 return $rows;
 295         } // function purge_feed
 296
 297         function feed_purge_interval($feed_id) {
 298
 299                 $result = db_query("SELECT purge_interval, owner_uid FROM ttrss_feeds
 300                         WHERE id = '$feed_id'");
 301
 302                 if (db_num_rows($result) == 1) {
 303                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 304                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 305
 306                         if ($purge_interval == 0) $purge_interval = get_pref(
 307                                 'PURGE_OLD_DAYS', $owner_uid);
 308
 309                         return $purge_interval;
 310
 311                 } else {
 312                         return -1;
 313                 }
 314         }
 315
 316         function purge_orphans($do_output = false) {
 317
 318                 // purge orphaned posts in main content table
 319                 $result = db_query("DELETE FROM ttrss_entries WHERE
 320                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 321
 322                 if ($do_output) {
 323                         $rows = db_affected_rows($result);
 324                         _debug("Purged $rows orphaned posts.");
 325                 }
 326         }
 327
 328         function get_feed_update_interval($feed_id) {
 329                 $result = db_query("SELECT owner_uid, update_interval FROM
 330                         ttrss_feeds WHERE id = '$feed_id'");
 331
 332                 if (db_num_rows($result) == 1) {
 333                         $update_interval = db_fetch_result($result, 0, "update_interval");
 334                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 335
 336                         if ($update_interval != 0) {
 337                                 return $update_interval;
 338                         } else {
 339                                 return get_pref('DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 340                         }
 341
 342                 } else {
 343                         return -1;
 344                 }
 345         }
 346
 347         function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false, $timeout = false, $timestamp = 0, $useragent = false) {
 348
 349                 global $fetch_last_error;
 350                 global $fetch_last_error_code;
 351                 global $fetch_last_content_type;
 352                 global $fetch_curl_used;
 353
 354                 $url = str_replace(' ', '%20', $url);
 355
 356                 if (!defined('NO_CURL') && function_exists('curl_init')) {
 357
 358                         $fetch_curl_used = true;
 359
 360                         if (ini_get("safe_mode") || ini_get("open_basedir")) {
 361                                 $new_url = geturl($url);
 362                                 if (!$new_url) {
 363                                     // geturl has already populated $fetch_last_error
 364                                     return false;
 365                                 }
 366                                 $ch = curl_init($new_url);
 367                         } else {
 368                                 $ch = curl_init($url);
 369                         }
 370
 371                         if ($timestamp && !$post_query) {
 372                                 curl_setopt($ch, CURLOPT_HTTPHEADER,
 373                                         array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
 374                         }
 375
 376                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
 377                         curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
 378                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("safe_mode") && !ini_get("open_basedir"));
 379                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 380                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 381                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 382                         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
 383                         curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
 384                         curl_setopt($ch, CURLOPT_USERAGENT, $useragent ? $useragent :
 385                                 SELF_USER_AGENT);
 386                         curl_setopt($ch, CURLOPT_ENCODING, "");
 387                         //curl_setopt($ch, CURLOPT_REFERER, $url);
 388
 389                         if (!ini_get("safe_mode") && !ini_get("open_basedir")) {
 390                                 curl_setopt($ch, CURLOPT_COOKIEJAR, "/dev/null");
 391                         }
 392
 393                         if (defined('_CURL_HTTP_PROXY')) {
 394                                 curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);
 395                         }
 396
 397                         if ($post_query) {
 398                                 curl_setopt($ch, CURLOPT_POST, true);
 399                                 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
 400                         }
 401
 402                         if ((OPENSSL_VERSION_NUMBER >= 0x0090808f) && (OPENSSL_VERSION_NUMBER < 0x10000000)) {
 403                                 curl_setopt($ch, CURLOPT_SSLVERSION, 3);
 404                         }
 405
 406                         if ($login && $pass)
 407                                 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
 408
 409                         $contents = @curl_exec($ch);
 410
 411                         if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
 412                                 curl_setopt($ch, CURLOPT_ENCODING, 'none');
 413                                 $contents = @curl_exec($ch);
 414                         }
 415
 416                         if ($contents === false) {
 417                                 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
 418                                 curl_close($ch);
 419                                 return false;
 420                         }
 421
 422                         $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 423                         $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 424
 425                         $fetch_last_error_code = $http_code;
 426
 427                         if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
 428                                 if (curl_errno($ch) != 0) {
 429                                         $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
 430                                 } else {
 431                                         $fetch_last_error = "HTTP Code: $http_code";
 432                                 }
 433                                 curl_close($ch);
 434                                 return false;
 435                         }
 436
 437                         curl_close($ch);
 438
 439                         return $contents;
 440                 } else {
 441
 442                         $fetch_curl_used = false;
 443
 444                         if ($login && $pass){
 445                                 $url_parts = array();
 446
 447                                 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
 448
 449                                 $pass = urlencode($pass);
 450
 451                                 if ($url_parts[1] && $url_parts[2]) {
 452                                         $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
 453                                 }
 454                         }
 455
 456                         if (!$post_query && $timestamp) {
 457                                 $context = stream_context_create(array(
 458                                         'http' => array(
 459                                                 'method' => 'GET',
 460                                                 'header' => "If-Modified-Since: ".gmdate("D, d M Y H:i:s \\G\\M\\T\r\n", $timestamp)
 461                                         )));
 462                         } else {
 463                                 $context = NULL;
 464                         }
 465
 466                         $old_error = error_get_last();
 467
 468                         $data = @file_get_contents($url, false, $context);
 469
 470                         $fetch_last_content_type = false;  // reset if no type was sent from server
 471                         if (isset($http_response_header) && is_array($http_response_header)) {
 472                                 foreach ($http_response_header as $h) {
 473                                         if (substr(strtolower($h), 0, 13) == 'content-type:') {
 474                                                 $fetch_last_content_type = substr($h, 14);
 475                                                 // don't abort here b/c there might be more than one
 476                                                 // e.g. if we were being redirected -- last one is the right one
 477                                         }
 478
 479                                         if (substr(strtolower($h), 0, 7) == 'http/1.') {
 480                                                 $fetch_last_error_code = (int) substr($h, 9, 3);
 481                                         }
 482                                 }
 483                         }
 484
 485                         if (!$data) {
 486                                 $error = error_get_last();
 487
 488                                 if ($error['message'] != $old_error['message']) {
 489                                         $fetch_last_error = $error["message"];
 490                                 } else {
 491                                         $fetch_last_error = "HTTP Code: $fetch_last_error_code";
 492                                 }
 493                         }
 494                         return $data;
 495                 }
 496
 497         }
 498
 499         /**
 500          * Try to determine the favicon URL for a feed.
 501          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 502          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 503          *
 504          * @param string $url A feed or page URL
 505          * @access public
 506          * @return mixed The favicon URL, or false if none was found.
 507          */
 508         function get_favicon_url($url) {
 509
 510                 $favicon_url = false;
 511
 512                 if ($html = @fetch_file_contents($url)) {
 513
 514                         libxml_use_internal_errors(true);
 515
 516                         $doc = new DOMDocument();
 517                         $doc->loadHTML($html);
 518                         $xpath = new DOMXPath($doc);
 519
 520                         $base = $xpath->query('/html/head/base');
 521                         foreach ($base as $b) {
 522                                 $url = $b->getAttribute("href");
 523                                 break;
 524                         }
 525
 526                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
 527                         if (count($entries) > 0) {
 528                                 foreach ($entries as $entry) {
 529                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 530                                         break;
 531                                 }
 532                         }
 533                 }
 534
 535                 if (!$favicon_url)
 536                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 537
 538                 return $favicon_url;
 539         } // function get_favicon_url
 540
 541         function check_feed_favicon($site_url, $feed) {
 542 #               print "FAVICON [$site_url]: $favicon_url\n";
 543
 544                 $icon_file = ICONS_DIR . "/$feed.ico";
 545
 546                 if (!file_exists($icon_file)) {
 547                         $favicon_url = get_favicon_url($site_url);
 548
 549                         if ($favicon_url) {
 550                                 // Limiting to "image" type misses those served with text/plain
 551                                 $contents = fetch_file_contents($favicon_url); // , "image");
 552
 553                                 if ($contents) {
 554                                         // Crude image type matching.
 555                                         // Patterns gleaned from the file(1) source code.
 556                                         if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
 557                                                 // 0       string  \000\000\001\000        MS Windows icon resource
 558                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
 559                                         }
 560                                         elseif (preg_match('/^GIF8/', $contents)) {
 561                                                 // 0       string          GIF8            GIF image data
 562                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
 563                                         }
 564                                         elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
 565                                                 // 0       string          \x89PNG\x0d\x0a\x1a\x0a         PNG image data
 566                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
 567                                         }
 568                                         elseif (preg_match('/^\xff\xd8/', $contents)) {
 569                                                 // 0       beshort         0xffd8          JPEG image data
 570                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
 571                                         }
 572                                         else {
 573                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
 574                                                 $contents = "";
 575                                         }
 576                                 }
 577
 578                                 if ($contents) {
 579                                         $fp = @fopen($icon_file, "w");
 580
 581                                         if ($fp) {
 582                                                 fwrite($fp, $contents);
 583                                                 fclose($fp);
 584                                                 chmod($icon_file, 0644);
 585                                         }
 586                                 }
 587                         }
 588             return $icon_file;
 589                 }
 590         }
 591
 592         function print_select($id, $default, $values, $attributes = "") {
 593                 print "<select name=\"$id\" id=\"$id\" $attributes>";
 594                 foreach ($values as $v) {
 595                         if ($v == $default)
 596                                 $sel = "selected=\"1\"";
 597                          else
 598                                 $sel = "";
 599
 600                         $v = trim($v);
 601
 602                         print "<option value=\"$v\" $sel>$v</option>";
 603                 }
 604                 print "</select>";
 605         }
 606
 607         function print_select_hash($id, $default, $values, $attributes = "") {
 608                 print "<select name=\"$id\" id='$id' $attributes>";
 609                 foreach (array_keys($values) as $v) {
 610                         if ($v == $default)
 611                                 $sel = 'selected="selected"';
 612                          else
 613                                 $sel = "";
 614
 615                         $v = trim($v);
 616
 617                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
 618                 }
 619
 620                 print "</select>";
 621         }
 622
 623         function print_radio($id, $default, $true_is, $values, $attributes = "") {
 624                 foreach ($values as $v) {
 625
 626                         if ($v == $default)
 627                                 $sel = "checked";
 628                          else
 629                                 $sel = "";
 630
 631                         if ($v == $true_is) {
 632                                 $sel .= " value=\"1\"";
 633                         } else {
 634                                 $sel .= " value=\"0\"";
 635                         }
 636
 637                         print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
 638                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
 639
 640                 }
 641         }
 642
 643         function initialize_user_prefs($uid, $profile = false) {
 644
 645                 $uid = db_escape_string($uid);
 646
 647                 if (!$profile) {
 648                         $profile = "NULL";
 649                         $profile_qpart = "AND profile IS NULL";
 650                 } else {
 651                         $profile_qpart = "AND profile = '$profile'";
 652                 }
 653
 654                 if (get_schema_version() < 63) $profile_qpart = "";
 655
 656                 db_query("BEGIN");
 657
 658                 $result = db_query("SELECT pref_name,def_value FROM ttrss_prefs");
 659
 660                 $u_result = db_query("SELECT pref_name
 661                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
 662
 663                 $active_prefs = array();
 664
 665                 while ($line = db_fetch_assoc($u_result)) {
 666                         array_push($active_prefs, $line["pref_name"]);
 667                 }
 668
 669                 while ($line = db_fetch_assoc($result)) {
 670                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
 671 //                              print "adding " . $line["pref_name"] . "<br>";
 672
 673                                 $line["def_value"] = db_escape_string($line["def_value"]);
 674                                 $line["pref_name"] = db_escape_string($line["pref_name"]);
 675
 676                                 if (get_schema_version() < 63) {
 677                                         db_query("INSERT INTO ttrss_user_prefs
 678                                                 (owner_uid,pref_name,value) VALUES
 679                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
 680
 681                                 } else {
 682                                         db_query("INSERT INTO ttrss_user_prefs
 683                                                 (owner_uid,pref_name,value, profile) VALUES
 684                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
 685                                 }
 686
 687                         }
 688                 }
 689
 690                 db_query("COMMIT");
 691
 692         }
 693
 694         function get_ssl_certificate_id() {
 695                 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
 696                         return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
 697                                 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
 698                                 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
 699                                 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
 700                 }
 701                 if ($_SERVER["SSL_CLIENT_M_SERIAL"]) {
 702                         return sha1($_SERVER["SSL_CLIENT_M_SERIAL"] .
 703                                 $_SERVER["SSL_CLIENT_V_START"] .
 704                                 $_SERVER["SSL_CLIENT_V_END"] .
 705                                 $_SERVER["SSL_CLIENT_S_DN"]);
 706                 }
 707                 return "";
 708         }
 709
 710         function authenticate_user($login, $password, $check_only = false) {
 711
 712                 if (!SINGLE_USER_MODE) {
 713                         $user_id = false;
 714
 715                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
 716
 717                                 $user_id = (int) $plugin->authenticate($login, $password);
 718
 719                                 if ($user_id) {
 720                                         $_SESSION["auth_module"] = strtolower(get_class($plugin));
 721                                         break;
 722                                 }
 723                         }
 724
 725                         if ($user_id && !$check_only) {
 726                                 @session_start();
 727
 728                                 $_SESSION["uid"] = $user_id;
 729                                 $_SESSION["version"] = VERSION_STATIC;
 730
 731                                 $result = db_query("SELECT login,access_level,pwd_hash FROM ttrss_users
 732                                         WHERE id = '$user_id'");
 733
 734                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
 735                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
 736                                 $_SESSION["csrf_token"] = uniqid(rand(), true);
 737
 738                                 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 739                                         $_SESSION["uid"]);
 740
 741                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 742                                 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
 743                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
 744
 745                                 $_SESSION["last_version_check"] = time();
 746
 747                                 initialize_user_prefs($_SESSION["uid"]);
 748
 749                                 return true;
 750                         }
 751
 752                         return false;
 753
 754                 } else {
 755
 756                         $_SESSION["uid"] = 1;
 757                         $_SESSION["name"] = "admin";
 758                         $_SESSION["access_level"] = 10;
 759
 760                         $_SESSION["hide_hello"] = true;
 761                         $_SESSION["hide_logout"] = true;
 762
 763                         $_SESSION["auth_module"] = false;
 764
 765                         if (!$_SESSION["csrf_token"]) {
 766                                 $_SESSION["csrf_token"] = uniqid(rand(), true);
 767                         }
 768
 769                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 770
 771                         initialize_user_prefs($_SESSION["uid"]);
 772
 773                         return true;
 774                 }
 775         }
 776
 777         function make_password($length = 8) {
 778
 779                 $password = "";
 780                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
 781
 782         $i = 0;
 783
 784                 while ($i < $length) {
 785                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
 786
 787                         if (!strstr($password, $char)) {
 788                                 $password .= $char;
 789                                 $i++;
 790                         }
 791                 }
 792                 return $password;
 793         }
 794
 795         // this is called after user is created to initialize default feeds, labels
 796         // or whatever else
 797
 798         // user preferences are checked on every login, not here
 799
 800         function initialize_user($uid) {
 801
 802                 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
 803                         values ('$uid', 'Tiny Tiny RSS: New Releases',
 804                         'http://tt-rss.org/releases.rss')");
 805
 806                 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
 807                         values ('$uid', 'Tiny Tiny RSS: Forum',
 808                                 'http://tt-rss.org/forum/rss.php')");
 809         }
 810
 811         function logout_user() {
 812                 session_destroy();
 813                 if (isset($_COOKIE[session_name()])) {
 814                    setcookie(session_name(), '', time()-42000, '/');
 815                 }
 816         }
 817
 818         function validate_csrf($csrf_token) {
 819                 return $csrf_token == $_SESSION['csrf_token'];
 820         }
 821
 822         function load_user_plugins($owner_uid) {
 823                 if ($owner_uid && SCHEMA_VERSION >= 100) {
 824                         $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
 825
 826                         PluginHost::getInstance()->load($plugins, PluginHost::KIND_USER, $owner_uid);
 827
 828                         if (get_schema_version() > 100) {
 829                                 PluginHost::getInstance()->load_data();
 830                         }
 831                 }
 832         }
 833
 834         function login_sequence() {
 835                 if (SINGLE_USER_MODE) {
 836                         @session_start();
 837                         authenticate_user("admin", null);
 838                         startup_gettext();
 839                         load_user_plugins($_SESSION["uid"]);
 840                 } else {
 841                         if (!validate_session()) $_SESSION["uid"] = false;
 842
 843                         if (!$_SESSION["uid"]) {
 844
 845                                 if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) {
 846                                     $_SESSION["ref_schema_version"] = get_schema_version(true);
 847                                 } else {
 848                                          authenticate_user(null, null, true);
 849                                 }
 850
 851                                 if (!$_SESSION["uid"]) {
 852                                         @session_destroy();
 853                                         setcookie(session_name(), '', time()-42000, '/');
 854
 855                                         render_login_form();
 856                                         exit;
 857                                 }
 858
 859                         } else {
 860                                 /* bump login timestamp */
 861                                 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 862                                         $_SESSION["uid"]);
 863                                 $_SESSION["last_login_update"] = time();
 864                         }
 865
 866                         if ($_SESSION["uid"]) {
 867                                 startup_gettext();
 868                                 load_user_plugins($_SESSION["uid"]);
 869
 870                                 /* cleanup ccache */
 871
 872                                 db_query("DELETE FROM ttrss_counters_cache WHERE owner_uid = ".
 873                                         $_SESSION["uid"] . " AND
 874                                                 (SELECT COUNT(id) FROM ttrss_feeds WHERE
 875                                                         ttrss_feeds.id = feed_id) = 0");
 876
 877                                 db_query("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ".
 878                                         $_SESSION["uid"] . " AND
 879                                                 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
 880                                                         ttrss_feed_categories.id = feed_id) = 0");
 881
 882                         }
 883
 884                 }
 885         }
 886
 887         function truncate_string($str, $max_len, $suffix = '&hellip;') {
 888                 if (mb_strlen($str, "utf-8") > $max_len) {
 889                         return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
 890                 } else {
 891                         return $str;
 892                 }
 893         }
 894
 895         function convert_timestamp($timestamp, $source_tz, $dest_tz) {
 896
 897                 try {
 898                         $source_tz = new DateTimeZone($source_tz);
 899                 } catch (Exception $e) {
 900                         $source_tz = new DateTimeZone('UTC');
 901                 }
 902
 903                 try {
 904                         $dest_tz = new DateTimeZone($dest_tz);
 905                 } catch (Exception $e) {
 906                         $dest_tz = new DateTimeZone('UTC');
 907                 }
 908
 909                 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
 910                 return $dt->format('U') + $dest_tz->getOffset($dt);
 911         }
 912
 913         function make_local_datetime($timestamp, $long, $owner_uid = false,
 914                                         $no_smart_dt = false) {
 915
 916                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
 917                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
 918
 919                 global $utc_tz;
 920                 global $user_tz;
 921
 922                 if (!$utc_tz) $utc_tz = new DateTimeZone('UTC');
 923
 924                 $timestamp = substr($timestamp, 0, 19);
 925
 926                 # We store date in UTC internally
 927                 $dt = new DateTime($timestamp, $utc_tz);
 928
 929                 $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
 930
 931                 if ($user_tz_string != 'Automatic') {
 932
 933                         try {
 934                                 if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string);
 935                         } catch (Exception $e) {
 936                                 $user_tz = $utc_tz;
 937                         }
 938
 939                         $tz_offset = $user_tz->getOffset($dt);
 940                 } else {
 941                         $tz_offset = (int) -$_SESSION["clientTzOffset"];
 942                 }
 943
 944                 $user_timestamp = $dt->format('U') + $tz_offset;
 945
 946                 if (!$no_smart_dt) {
 947                         return smart_date_time($user_timestamp,
 948                                 $tz_offset, $owner_uid);
 949                 } else {
 950                         if ($long)
 951                                 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
 952                         else
 953                                 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
 954
 955                         return date($format, $user_timestamp);
 956                 }
 957         }
 958
 959         function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false) {
 960                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
 961
 962                 if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
 963                         return date("G:i", $timestamp);
 964                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
 965                         $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
 966                         return date($format, $timestamp);
 967                 } else {
 968                         $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
 969                         return date($format, $timestamp);
 970                 }
 971         }
 972
 973         function sql_bool_to_bool($s) {
 974                 if ($s == "t" || $s == "1" || strtolower($s) == "true") {
 975                         return true;
 976                 } else {
 977                         return false;
 978                 }
 979         }
 980
 981         function bool_to_sql_bool($s) {
 982                 if ($s) {
 983                         return "true";
 984                 } else {
 985                         return "false";
 986                 }
 987         }
 988
 989         // Session caching removed due to causing wrong redirects to upgrade
 990         // script when get_schema_version() is called on an obsolete session
 991         // created on a previous schema version.
 992         function get_schema_version($nocache = false) {
 993                 global $schema_version;
 994
 995                 if (!$schema_version && !$nocache) {
 996                         $result = db_query("SELECT schema_version FROM ttrss_version");
 997                         $version = db_fetch_result($result, 0, "schema_version");
 998                         $schema_version = $version;
 999                         return $version;
1000                 } else {
1001                         return $schema_version;
1002                 }
1003         }
1004
1005         function sanity_check() {
1006                 require_once 'errors.php';
1007                 global $ERRORS;
1008
1009                 $error_code = 0;
1010                 $schema_version = get_schema_version(true);
1011
1012                 if ($schema_version != SCHEMA_VERSION) {
1013                         $error_code = 5;
1014                 }
1015
1016                 if (DB_TYPE == "mysql") {
1017                         $result = db_query("SELECT true", false);
1018                         if (db_num_rows($result) != 1) {
1019                                 $error_code = 10;
1020                         }
1021                 }
1022
1023                 if (db_escape_string("testTEST") != "testTEST") {
1024                         $error_code = 12;
1025                 }
1026
1027                 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
1028         }
1029
1030         function file_is_locked($filename) {
1031                 if (file_exists(LOCK_DIRECTORY . "/$filename")) {
1032                         if (function_exists('flock')) {
1033                                 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
1034                                 if ($fp) {
1035                                         if (flock($fp, LOCK_EX | LOCK_NB)) {
1036                                                 flock($fp, LOCK_UN);
1037                                                 fclose($fp);
1038                                                 return false;
1039                                         }
1040                                         fclose($fp);
1041                                         return true;
1042                                 } else {
1043                                         return false;
1044                                 }
1045                         }
1046                         return true; // consider the file always locked and skip the test
1047                 } else {
1048                         return false;
1049                 }
1050         }
1051
1052
1053         function make_lockfile($filename) {
1054                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1055
1056                 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
1057                         $stat_h = fstat($fp);
1058                         $stat_f = stat(LOCK_DIRECTORY . "/$filename");
1059
1060                         if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
1061                                 if ($stat_h["ino"] != $stat_f["ino"] ||
1062                                                 $stat_h["dev"] != $stat_f["dev"]) {
1063
1064                                         return false;
1065                                 }
1066                         }
1067
1068                         if (function_exists('posix_getpid')) {
1069                                 fwrite($fp, posix_getpid() . "\n");
1070                         }
1071                         return $fp;
1072                 } else {
1073                         return false;
1074                 }
1075         }
1076
1077         function make_stampfile($filename) {
1078                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1079
1080                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1081                         fwrite($fp, time() . "\n");
1082                         flock($fp, LOCK_UN);
1083                         fclose($fp);
1084                         return true;
1085                 } else {
1086                         return false;
1087                 }
1088         }
1089
1090         function sql_random_function() {
1091                 if (DB_TYPE == "mysql") {
1092                         return "RAND()";
1093                 } else {
1094                         return "RANDOM()";
1095                 }
1096         }
1097
1098         function catchup_feed($feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all') {
1099
1100                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1101
1102                         //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1103
1104                         // Todo: all this interval stuff needs some generic generator function
1105
1106                         $date_qpart = "false";
1107
1108                         switch ($mode) {
1109                         case "1day":
1110                                 if (DB_TYPE == "pgsql") {
1111                                         $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1112                                 } else {
1113                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1114                                 }
1115                                 break;
1116                         case "1week":
1117                                 if (DB_TYPE == "pgsql") {
1118                                         $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1119                                 } else {
1120                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1121                                 }
1122                                 break;
1123                         case "2week":
1124                                 if (DB_TYPE == "pgsql") {
1125                                         $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1126                                 } else {
1127                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1128                                 }
1129                                 break;
1130                         default:
1131                                 $date_qpart = "true";
1132                         }
1133
1134                         if (is_numeric($feed)) {
1135                                 if ($cat_view) {
1136
1137                                         if ($feed >= 0) {
1138
1139                                                 if ($feed > 0) {
1140                                                         $children = getChildCategories($feed, $owner_uid);
1141                                                         array_push($children, $feed);
1142
1143                                                         $children = join(",", $children);
1144
1145                                                         $cat_qpart = "cat_id IN ($children)";
1146                                                 } else {
1147                                                         $cat_qpart = "cat_id IS NULL";
1148                                                 }
1149
1150                                                 db_query("UPDATE ttrss_user_entries
1151                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1152                                                                 (SELECT id FROM
1153                                                                         (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1154                                                                                 AND owner_uid = $owner_uid AND unread = true AND feed_id IN
1155                                                                                         (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart) as tmp)");
1156
1157                                         } else if ($feed == -2) {
1158
1159                                                 db_query("UPDATE ttrss_user_entries
1160                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1161                                                                 FROM ttrss_user_labels2, ttrss_entries WHERE article_id = ref_id AND id = ref_id AND $date_qpart) > 0
1162                                                                 AND unread = true AND owner_uid = $owner_uid");
1163                                         }
1164
1165                                 } else if ($feed > 0) {
1166
1167                                         db_query("UPDATE ttrss_user_entries
1168                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1169                                                         (SELECT id FROM
1170                                                                 (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1171                                                                         AND owner_uid = $owner_uid AND unread = true AND feed_id = $feed AND $date_qpart) as tmp)");
1172
1173                                 } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1174
1175                                         if ($feed == -1) {
1176                                                 db_query("UPDATE ttrss_user_entries
1177                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1178                                                                 (SELECT id FROM
1179                                                                         (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1180                                                                                 AND owner_uid = $owner_uid AND unread = true AND marked = true AND $date_qpart) as tmp)");
1181                                         }
1182
1183                                         if ($feed == -2) {
1184                                                 db_query("UPDATE ttrss_user_entries
1185                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1186                                                                 (SELECT id FROM
1187                                                                         (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1188                                                                                 AND owner_uid = $owner_uid AND unread = true AND published = true AND $date_qpart) as tmp)");
1189                                         }
1190
1191                                         if ($feed == -3) {
1192
1193                                                 $intl = get_pref("FRESH_ARTICLE_MAX_AGE");
1194
1195                                                 if (DB_TYPE == "pgsql") {
1196                                                         $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1197                                                 } else {
1198                                                         $match_part = "date_entered > DATE_SUB(NOW(),
1199                                                                 INTERVAL $intl HOUR) ";
1200                                                 }
1201
1202                                                 db_query("UPDATE ttrss_user_entries
1203                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1204                                                                 (SELECT id FROM
1205                                                                         (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1206                                                                                 AND owner_uid = $owner_uid AND score >= 0 AND unread = true AND $date_qpart AND $match_part) as tmp)");
1207                                         }
1208
1209                                         if ($feed == -4) {
1210                                                 db_query("UPDATE ttrss_user_entries
1211                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1212                                                                 (SELECT id FROM
1213                                                                         (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1214                                                                                 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1215                                         }
1216
1217                                 } else if ($feed < LABEL_BASE_INDEX) { // label
1218
1219                                         $label_id = feed_to_label_id($feed);
1220
1221                                         db_query("UPDATE ttrss_user_entries
1222                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1223                                                         (SELECT id FROM
1224                                                                 (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1225                                                                         AND label_id = '$label_id' AND ref_id = article_id
1226                                                                         AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1227
1228                                 }
1229
1230                                 ccache_update($feed, $owner_uid, $cat_view);
1231
1232                         } else { // tag
1233                                 db_query("UPDATE ttrss_user_entries
1234                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1235                                                 (SELECT id FROM
1236                                                         (SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1237                                                                 AND post_int_id = int_id AND tag_name = '$feed'
1238                                                                 AND ttrss_user_entries.owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1239
1240                         }
1241         }
1242
1243         function getAllCounters() {
1244                 $data = getGlobalCounters();
1245
1246                 $data = array_merge($data, getVirtCounters());
1247                 $data = array_merge($data, getLabelCounters());
1248                 $data = array_merge($data, getFeedCounters());
1249                 $data = array_merge($data, getCategoryCounters());
1250
1251                 return $data;
1252         }
1253
1254         function getCategoryTitle($cat_id) {
1255
1256                 if ($cat_id == -1) {
1257                         return __("Special");
1258                 } else if ($cat_id == -2) {
1259                         return __("Labels");
1260                 } else {
1261
1262                         $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1263                                 id = '$cat_id'");
1264
1265                         if (db_num_rows($result) == 1) {
1266                                 return db_fetch_result($result, 0, "title");
1267                         } else {
1268                                 return __("Uncategorized");
1269                         }
1270                 }
1271         }
1272
1273
1274         function getCategoryCounters() {
1275                 $ret_arr = array();
1276
1277                 /* Labels category */
1278
1279                 $cv = array("id" => -2, "kind" => "cat",
1280                         "counter" => getCategoryUnread(-2));
1281
1282                 array_push($ret_arr, $cv);
1283
1284                 $result = db_query("SELECT id AS cat_id, value AS unread,
1285                         (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1286                                 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1287                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
1288                         WHERE ttrss_cat_counters_cache.feed_id = id AND
1289                         ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1290                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1291
1292                 while ($line = db_fetch_assoc($result)) {
1293                         $line["cat_id"] = (int) $line["cat_id"];
1294
1295                         if ($line["num_children"] > 0) {
1296                                 $child_counter = getCategoryChildrenUnread($line["cat_id"], $_SESSION["uid"]);
1297                         } else {
1298                                 $child_counter = 0;
1299                         }
1300
1301                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
1302                                 "counter" => $line["unread"] + $child_counter);
1303
1304                         array_push($ret_arr, $cv);
1305                 }
1306
1307                 /* Special case: NULL category doesn't actually exist in the DB */
1308
1309                 $cv = array("id" => 0, "kind" => "cat",
1310                         "counter" => (int) ccache_find(0, $_SESSION["uid"], true));
1311
1312                 array_push($ret_arr, $cv);
1313
1314                 return $ret_arr;
1315         }
1316
1317         // only accepts real cats (>= 0)
1318         function getCategoryChildrenUnread($cat, $owner_uid = false) {
1319                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1320
1321                 $result = db_query("SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1322                                 AND owner_uid = $owner_uid");
1323
1324                 $unread = 0;
1325
1326                 while ($line = db_fetch_assoc($result)) {
1327                         $unread += getCategoryUnread($line["id"], $owner_uid);
1328                         $unread += getCategoryChildrenUnread($line["id"], $owner_uid);
1329                 }
1330
1331                 return $unread;
1332         }
1333
1334         function getCategoryUnread($cat, $owner_uid = false) {
1335
1336                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1337
1338                 if ($cat >= 0) {
1339
1340                         if ($cat != 0) {
1341                                 $cat_query = "cat_id = '$cat'";
1342                         } else {
1343                                 $cat_query = "cat_id IS NULL";
1344                         }
1345
1346                         $result = db_query("SELECT id FROM ttrss_feeds WHERE $cat_query
1347                                         AND owner_uid = " . $owner_uid);
1348
1349                         $cat_feeds = array();
1350                         while ($line = db_fetch_assoc($result)) {
1351                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
1352                         }
1353
1354                         if (count($cat_feeds) == 0) return 0;
1355
1356                         $match_part = implode(" OR ", $cat_feeds);
1357
1358                         $result = db_query("SELECT COUNT(int_id) AS unread
1359                                 FROM ttrss_user_entries
1360                                 WHERE   unread = true AND ($match_part)
1361                                 AND owner_uid = " . $owner_uid);
1362
1363                         $unread = 0;
1364
1365                         # this needs to be rewritten
1366                         while ($line = db_fetch_assoc($result)) {
1367                                 $unread += $line["unread"];
1368                         }
1369
1370                         return $unread;
1371                 } else if ($cat == -1) {
1372                         return getFeedUnread(-1) + getFeedUnread(-2) + getFeedUnread(-3) + getFeedUnread(0);
1373                 } else if ($cat == -2) {
1374
1375                         $result = db_query("
1376                                 SELECT COUNT(unread) AS unread FROM
1377                                         ttrss_user_entries, ttrss_user_labels2
1378                                 WHERE article_id = ref_id AND unread = true
1379                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
1380
1381                         $unread = db_fetch_result($result, 0, "unread");
1382
1383                         return $unread;
1384
1385                 }
1386         }
1387
1388         function getFeedUnread($feed, $is_cat = false) {
1389                 return getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1390         }
1391
1392         function getLabelUnread($label_id, $owner_uid = false) {
1393                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1394
1395                 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1396                         WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1397
1398                 if (db_num_rows($result) != 0) {
1399                         return db_fetch_result($result, 0, "unread");
1400                 } else {
1401                         return 0;
1402                 }
1403         }
1404
1405         function getFeedArticles($feed, $is_cat = false, $unread_only = false,
1406                 $owner_uid = false) {
1407
1408                 $n_feed = (int) $feed;
1409                 $need_entries = false;
1410
1411                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1412
1413                 if ($unread_only) {
1414                         $unread_qpart = "unread = true";
1415                 } else {
1416                         $unread_qpart = "true";
1417                 }
1418
1419                 if ($is_cat) {
1420                         return getCategoryUnread($n_feed, $owner_uid);
1421                 } else if ($n_feed == -6) {
1422                         return 0;
1423                 } else if ($feed != "0" && $n_feed == 0) {
1424
1425                         $feed = db_escape_string($feed);
1426
1427                         $result = db_query("SELECT SUM((SELECT COUNT(int_id)
1428                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1429                                         AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1430                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1431                         return db_fetch_result($result, 0, "count");
1432
1433                 } else if ($n_feed == -1) {
1434                         $match_part = "marked = true";
1435                 } else if ($n_feed == -2) {
1436                         $match_part = "published = true";
1437                 } else if ($n_feed == -3) {
1438                         $match_part = "unread = true AND score >= 0";
1439
1440                         $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1441
1442                         if (DB_TYPE == "pgsql") {
1443                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
1444                         } else {
1445                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1446                         }
1447
1448                         $need_entries = true;
1449
1450                 } else if ($n_feed == -4) {
1451                         $match_part = "true";
1452                 } else if ($n_feed >= 0) {
1453
1454                         if ($n_feed != 0) {
1455                                 $match_part = "feed_id = '$n_feed'";
1456                         } else {
1457                                 $match_part = "feed_id IS NULL";
1458                         }
1459
1460                 } else if ($feed < LABEL_BASE_INDEX) {
1461
1462                         $label_id = feed_to_label_id($feed);
1463
1464                         return getLabelUnread($label_id, $owner_uid);
1465
1466                 }
1467
1468                 if ($match_part) {
1469
1470                         if ($need_entries) {
1471                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
1472                                 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1473                         } else {
1474                                 $from_qpart = "ttrss_user_entries";
1475                                 $from_where = "";
1476                         }
1477
1478                         $query = "SELECT count(int_id) AS unread
1479                                 FROM $from_qpart WHERE
1480                                 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1481
1482                         //echo "[$feed/$query]\n";
1483
1484                         $result = db_query($query);
1485
1486                 } else {
1487
1488                         $result = db_query("SELECT COUNT(post_int_id) AS unread
1489                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1490                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1491                                 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1492                 }
1493
1494                 $unread = db_fetch_result($result, 0, "unread");
1495
1496                 return $unread;
1497         }
1498
1499         function getGlobalUnread($user_id = false) {
1500
1501                 if (!$user_id) {
1502                         $user_id = $_SESSION["uid"];
1503                 }
1504
1505                 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1506                         WHERE owner_uid = '$user_id' AND feed_id > 0");
1507
1508                 $c_id = db_fetch_result($result, 0, "c_id");
1509
1510                 return $c_id;
1511         }
1512
1513         function getGlobalCounters($global_unread = -1) {
1514                 $ret_arr = array();
1515
1516                 if ($global_unread == -1) {
1517                         $global_unread = getGlobalUnread();
1518                 }
1519
1520                 $cv = array("id" => "global-unread",
1521                         "counter" => (int) $global_unread);
1522
1523                 array_push($ret_arr, $cv);
1524
1525                 $result = db_query("SELECT COUNT(id) AS fn FROM
1526                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1527
1528                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1529
1530                 $cv = array("id" => "subscribed-feeds",
1531                         "counter" => (int) $subscribed_feeds);
1532
1533                 array_push($ret_arr, $cv);
1534
1535                 return $ret_arr;
1536         }
1537
1538         function getVirtCounters() {
1539
1540                 $ret_arr = array();
1541
1542                 for ($i = 0; $i >= -4; $i--) {
1543
1544                         $count = getFeedUnread($i);
1545
1546                         if ($i == 0 || $i == -1 || $i == -2)
1547                                 $auxctr = getFeedArticles($i, false);
1548                         else
1549                                 $auxctr = 0;
1550
1551                         $cv = array("id" => $i,
1552                                 "counter" => (int) $count,
1553                                 "auxcounter" => $auxctr);
1554
1555 //                      if (get_pref('EXTENDED_FEEDLIST'))
1556 //                              $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1557
1558                         array_push($ret_arr, $cv);
1559                 }
1560
1561                 $feeds = PluginHost::getInstance()->get_feeds(-1);
1562
1563                 if (is_array($feeds)) {
1564                         foreach ($feeds as $feed) {
1565                                 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1566                                         "counter" => $feed['sender']->get_unread($feed['id']));
1567
1568                                 if (method_exists($feed['sender'], 'get_total'))
1569                                         $cv["auxcounter"] = $feed['sender']->get_total($feed['id']);
1570
1571                                 array_push($ret_arr, $cv);
1572                         }
1573                 }
1574
1575                 return $ret_arr;
1576         }
1577
1578         function getLabelCounters($descriptions = false) {
1579
1580                 $ret_arr = array();
1581
1582                 $owner_uid = $_SESSION["uid"];
1583
1584                 $result = db_query("SELECT id,caption,SUM(CASE WHEN u1.unread = true THEN 1 ELSE 0 END) AS unread, COUNT(u1.unread) AS total
1585                         FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1586                                 (ttrss_labels2.id = label_id)
1587                                 LEFT JOIN ttrss_user_entries AS u1 ON u1.ref_id = article_id
1588                                 WHERE ttrss_labels2.owner_uid = $owner_uid GROUP BY ttrss_labels2.id,
1589                                         ttrss_labels2.caption");
1590
1591                 while ($line = db_fetch_assoc($result)) {
1592
1593                         $id = label_to_feed_id($line["id"]);
1594
1595                         $cv = array("id" => $id,
1596                                 "counter" => (int) $line["unread"],
1597                                 "auxcounter" => (int) $line["total"]);
1598
1599                         if ($descriptions)
1600                                 $cv["description"] = $line["caption"];
1601
1602                         array_push($ret_arr, $cv);
1603                 }
1604
1605                 return $ret_arr;
1606         }
1607
1608         function getFeedCounters($active_feed = false) {
1609
1610                 $ret_arr = array();
1611
1612                 $query = "SELECT ttrss_feeds.id,
1613                                 ttrss_feeds.title,
1614                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1615                                 last_error, value AS count
1616                         FROM ttrss_feeds, ttrss_counters_cache
1617                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1618                                 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1619                                 AND ttrss_counters_cache.feed_id = id";
1620
1621                 $result = db_query($query);
1622
1623                 while ($line = db_fetch_assoc($result)) {
1624
1625                         $id = $line["id"];
1626                         $count = $line["count"];
1627                         $last_error = htmlspecialchars($line["last_error"]);
1628
1629                         $last_updated = make_local_datetime($line['last_updated'], false);
1630
1631                         $has_img = feed_has_icon($id);
1632
1633                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1634                                 $last_updated = '';
1635
1636                         $cv = array("id" => $id,
1637                                 "updated" => $last_updated,
1638                                 "counter" => (int) $count,
1639                                 "has_img" => (int) $has_img);
1640
1641                         if ($last_error)
1642                                 $cv["error"] = $last_error;
1643
1644 //                      if (get_pref('EXTENDED_FEEDLIST'))
1645 //                              $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1646
1647                         if ($active_feed && $id == $active_feed)
1648                                 $cv["title"] = truncate_string($line["title"], 30);
1649
1650                         array_push($ret_arr, $cv);
1651
1652                 }
1653
1654                 return $ret_arr;
1655         }
1656
1657         function get_pgsql_version() {
1658                 $result = db_query("SELECT version() AS version");
1659                 $version = explode(" ", db_fetch_result($result, 0, "version"));
1660                 return $version[1];
1661         }
1662
1663         /**
1664          * @return array (code => Status code, message => error message if available)
1665          *
1666          *                 0 - OK, Feed already exists
1667          *                 1 - OK, Feed added
1668          *                 2 - Invalid URL
1669          *                 3 - URL content is HTML, no feeds available
1670          *                 4 - URL content is HTML which contains multiple feeds.
1671          *                     Here you should call extractfeedurls in rpc-backend
1672          *                     to get all possible feeds.
1673          *                 5 - Couldn't download the URL content.
1674          *                 6 - Content is an invalid XML.
1675          */
1676         function subscribe_to_feed($url, $cat_id = 0,
1677                         $auth_login = '', $auth_pass = '') {
1678
1679                 global $fetch_last_error;
1680
1681                 require_once "include/rssfuncs.php";
1682
1683                 $url = fix_url($url);
1684
1685                 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1686
1687                 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1688
1689                 if (!$contents) {
1690                         return array("code" => 5, "message" => $fetch_last_error);
1691                 }
1692
1693                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SUBSCRIBE_FEED) as $plugin) {
1694                         $contents = $plugin->hook_subscribe_feed($contents, $url, $auth_login, $auth_pass);
1695                 }
1696
1697                 if (is_html($contents)) {
1698                         $feedUrls = get_feeds_from_html($url, $contents);
1699
1700                         if (count($feedUrls) == 0) {
1701                                 return array("code" => 3);
1702                         } else if (count($feedUrls) > 1) {
1703                                 return array("code" => 4, "feeds" => $feedUrls);
1704                         }
1705                         //use feed url as new URL
1706                         $url = key($feedUrls);
1707                 }
1708
1709                 /* libxml_use_internal_errors(true);
1710                 $doc = new DOMDocument();
1711                 $doc->loadXML($contents);
1712                 $error = libxml_get_last_error();
1713                 libxml_clear_errors();
1714
1715                 if ($error) {
1716                         $error_message = format_libxml_error($error);
1717
1718                         return array("code" => 6, "message" => $error_message);
1719                 } */
1720
1721                 if ($cat_id == "0" || !$cat_id) {
1722                         $cat_qpart = "NULL";
1723                 } else {
1724                         $cat_qpart = "'$cat_id'";
1725                 }
1726
1727                 $result = db_query(
1728                         "SELECT id FROM ttrss_feeds
1729                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1730
1731                 if (strlen(FEED_CRYPT_KEY) > 0) {
1732                         require_once "crypt.php";
1733                         $auth_pass = substr(encrypt_string($auth_pass), 0, 250);
1734                         $auth_pass_encrypted = 'true';
1735                 } else {
1736                         $auth_pass_encrypted = 'false';
1737                 }
1738
1739                 $auth_pass = db_escape_string($auth_pass);
1740
1741                 if (db_num_rows($result) == 0) {
1742                         $result = db_query(
1743                                 "INSERT INTO ttrss_feeds
1744                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1745                                 VALUES ('".$_SESSION["uid"]."', '$url',
1746                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0, $auth_pass_encrypted)");
1747
1748                         $result = db_query(
1749                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1750                                         AND owner_uid = " . $_SESSION["uid"]);
1751
1752                         $feed_id = db_fetch_result($result, 0, "id");
1753
1754                         if ($feed_id) {
1755                                 update_rss_feed($feed_id, true);
1756                         }
1757
1758                         return array("code" => 1);
1759                 } else {
1760                         return array("code" => 0);
1761                 }
1762         }
1763
1764         function print_feed_select($id, $default_id = "",
1765                 $attributes = "", $include_all_feeds = true,
1766                 $root_id = false, $nest_level = 0) {
1767
1768                 if (!$root_id) {
1769                         print "<select id=\"$id\" name=\"$id\" $attributes>";
1770                         if ($include_all_feeds) {
1771                                 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1772                                 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1773                         }
1774                 }
1775
1776                 if (get_pref('ENABLE_FEED_CATS')) {
1777
1778                         if ($root_id)
1779                                 $parent_qpart = "parent_cat = '$root_id'";
1780                         else
1781                                 $parent_qpart = "parent_cat IS NULL";
1782
1783                         $result = db_query("SELECT id,title,
1784                                 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1785                                         c2.parent_cat = ttrss_feed_categories.id) AS num_children
1786                                 FROM ttrss_feed_categories
1787                                 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1788
1789                         while ($line = db_fetch_assoc($result)) {
1790
1791                                 for ($i = 0; $i < $nest_level; $i++)
1792                                         $line["title"] = " - " . $line["title"];
1793
1794                                 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1795
1796                                 printf("<option $is_selected value='CAT:%d'>%s</option>",
1797                                         $line["id"], htmlspecialchars($line["title"]));
1798
1799                                 if ($line["num_children"] > 0)
1800                                         print_feed_select($id, $default_id, $attributes,
1801                                                 $include_all_feeds, $line["id"], $nest_level+1);
1802
1803                                 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1804                                         WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1805
1806                                 while ($fline = db_fetch_assoc($feed_result)) {
1807                                         $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1808
1809                                         $fline["title"] = " + " . $fline["title"];
1810
1811                                         for ($i = 0; $i < $nest_level; $i++)
1812                                                 $fline["title"] = " - " . $fline["title"];
1813
1814                                         printf("<option $is_selected value='%d'>%s</option>",
1815                                                 $fline["id"], htmlspecialchars($fline["title"]));
1816                                 }
1817                         }
1818
1819                         if (!$root_id) {
1820                                 $default_is_cat = ($default_id == "CAT:0");
1821                                 $is_selected = $default_is_cat ? "selected=\"1\"" : "";
1822
1823                                 printf("<option $is_selected value='CAT:0'>%s</option>",
1824                                         __("Uncategorized"));
1825
1826                                 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1827                                         WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1828
1829                                 while ($fline = db_fetch_assoc($feed_result)) {
1830                                         $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1831
1832                                         $fline["title"] = " + " . $fline["title"];
1833
1834                                         for ($i = 0; $i < $nest_level; $i++)
1835                                                 $fline["title"] = " - " . $fline["title"];
1836
1837                                         printf("<option $is_selected value='%d'>%s</option>",
1838                                                 $fline["id"], htmlspecialchars($fline["title"]));
1839                                 }
1840                         }
1841
1842                 } else {
1843                         $result = db_query("SELECT id,title FROM ttrss_feeds
1844                                 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1845
1846                         while ($line = db_fetch_assoc($result)) {
1847
1848                                 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1849
1850                                 printf("<option $is_selected value='%d'>%s</option>",
1851                                         $line["id"], htmlspecialchars($line["title"]));
1852                         }
1853                 }
1854
1855                 if (!$root_id) {
1856                         print "</select>";
1857                 }
1858         }
1859
1860         function print_feed_cat_select($id, $default_id,
1861                 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1862
1863                         if (!$root_id) {
1864                                         print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1865                         }
1866
1867                         if ($root_id)
1868                                 $parent_qpart = "parent_cat = '$root_id'";
1869                         else
1870                                 $parent_qpart = "parent_cat IS NULL";
1871
1872                         $result = db_query("SELECT id,title,
1873                                 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1874                                         c2.parent_cat = ttrss_feed_categories.id) AS num_children
1875                                 FROM ttrss_feed_categories
1876                                 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1877
1878                         while ($line = db_fetch_assoc($result)) {
1879                                 if ($line["id"] == $default_id) {
1880                                         $is_selected = "selected=\"1\"";
1881                                 } else {
1882                                         $is_selected = "";
1883                                 }
1884
1885                                 for ($i = 0; $i < $nest_level; $i++)
1886                                         $line["title"] = " - " . $line["title"];
1887
1888                                 if ($line["title"])
1889                                         printf("<option $is_selected value='%d'>%s</option>",
1890                                                 $line["id"], htmlspecialchars($line["title"]));
1891
1892                                 if ($line["num_children"] > 0)
1893                                         print_feed_cat_select($id, $default_id, $attributes,
1894                                                 $include_all_cats, $line["id"], $nest_level+1);
1895                         }
1896
1897                         if (!$root_id) {
1898                                 if ($include_all_cats) {
1899                                         if (db_num_rows($result) > 0) {
1900                                                 print "<option disabled=\"1\">--------</option>";
1901                                         }
1902
1903                                         if ($default_id == 0) {
1904                                                 $is_selected = "selected=\"1\"";
1905                                         } else {
1906                                                 $is_selected = "";
1907                                         }
1908
1909                                         print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1910                                 }
1911                                 print "</select>";
1912                         }
1913                 }
1914
1915         function checkbox_to_sql_bool($val) {
1916                 return ($val == "on") ? "true" : "false";
1917         }
1918
1919         function getFeedCatTitle($id) {
1920                 if ($id == -1) {
1921                         return __("Special");
1922                 } else if ($id < LABEL_BASE_INDEX) {
1923                         return __("Labels");
1924                 } else if ($id > 0) {
1925                         $result = db_query("SELECT ttrss_feed_categories.title
1926                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1927                                         cat_id = ttrss_feed_categories.id");
1928                         if (db_num_rows($result) == 1) {
1929                                 return db_fetch_result($result, 0, "title");
1930                         } else {
1931                                 return __("Uncategorized");
1932                         }
1933                 } else {
1934                         return "getFeedCatTitle($id) failed";
1935                 }
1936
1937         }
1938
1939         function getFeedIcon($id) {
1940                 switch ($id) {
1941                 case 0:
1942                         return "images/archive.png";
1943                         break;
1944                 case -1:
1945                         return "images/star.png";
1946                         break;
1947                 case -2:
1948                         return "images/feed.png";
1949                         break;
1950                 case -3:
1951                         return "images/fresh.png";
1952                         break;
1953                 case -4:
1954                         return "images/folder.png";
1955                         break;
1956                 case -6:
1957                         return "images/time.png";
1958                         break;
1959                 default:
1960                         if ($id < LABEL_BASE_INDEX) {
1961                                 return "images/label.png";
1962                         } else {
1963                                 if (file_exists(ICONS_DIR . "/$id.ico"))
1964                                         return ICONS_URL . "/$id.ico";
1965                         }
1966                         break;
1967                 }
1968
1969                 return false;
1970         }
1971
1972         function getFeedTitle($id, $cat = false) {
1973                 if ($cat) {
1974                         return getCategoryTitle($id);
1975                 } else if ($id == 0) {
1976                         return __("All feeds");
1977                 } else if ($id == -1) {
1978                         return __("Starred articles");
1979                 } else if ($id == -2) {
1980                         return __("Published articles");
1981                 } else if ($id == -3) {
1982                         return __("Fresh articles");
1983                 } else if ($id == -4) {
1984                         return __("All articles");
1985                 } else if ($id === 0 || $id === "0") {
1986                         return __("Archived articles");
1987                 } else if ($id == -6) {
1988                         return __("Recently read");
1989                 } else if ($id < LABEL_BASE_INDEX) {
1990                         $label_id = feed_to_label_id($id);
1991                         $result = db_query("SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
1992                         if (db_num_rows($result) == 1) {
1993                                 return db_fetch_result($result, 0, "caption");
1994                         } else {
1995                                 return "Unknown label ($label_id)";
1996                         }
1997
1998                 } else if (is_numeric($id) && $id > 0) {
1999                         $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$id'");
2000                         if (db_num_rows($result) == 1) {
2001                                 return db_fetch_result($result, 0, "title");
2002                         } else {
2003                                 return "Unknown feed ($id)";
2004                         }
2005                 } else {
2006                         return $id;
2007                 }
2008         }
2009
2010         // TODO: less dumb splitting
2011         require_once "functions2.php";
2012
2013 ?>