include/functions.php

   1 <?php
   2         define('EXPECTED_CONFIG_VERSION', 26);
   3         define('SCHEMA_VERSION', 130);
   4
   5         define('LABEL_BASE_INDEX', -1024);
   6         define('PLUGIN_FEED_BASE_INDEX', -128);
   7
   8         define('COOKIE_LIFETIME_LONG', 86400*365);
   9
  10         $fetch_last_error = false;
  11         $fetch_last_error_code = false;
  12         $fetch_last_content_type = false;
  13         $fetch_last_error_content = false; // curl only for the time being
  14         $fetch_curl_used = false;
  15         $suppress_debugging = false;
  16
  17         libxml_disable_entity_loader(true);
  18
  19         mb_internal_encoding("UTF-8");
  20         date_default_timezone_set('UTC');
  21         if (defined('E_DEPRECATED')) {
  22                 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
  23         } else {
  24                 error_reporting(E_ALL & ~E_NOTICE);
  25         }
  26
  27         require_once 'config.php';
  28
  29         /**
  30          * Define a constant if not already defined
  31          *
  32          * @param string $name The constant name.
  33          * @param mixed $value The constant value.
  34          * @access public
  35          * @return boolean True if defined successfully or not.
  36          */
  37         function define_default($name, $value) {
  38                 defined($name) or define($name, $value);
  39         }
  40
  41         ///// Some defaults that you can override in config.php //////
  42
  43         define_default('FEED_FETCH_TIMEOUT', 45);
  44         // How may seconds to wait for response when requesting feed from a site
  45         define_default('FEED_FETCH_NO_CACHE_TIMEOUT', 15);
  46         // How may seconds to wait for response when requesting feed from a
  47         // site when that feed wasn't cached before
  48         define_default('FILE_FETCH_TIMEOUT', 45);
  49         // Default timeout when fetching files from remote sites
  50         define_default('FILE_FETCH_CONNECT_TIMEOUT', 15);
  51         // How many seconds to wait for initial response from website when
  52         // fetching files from remote sites
  53
  54         if (DB_TYPE == "pgsql") {
  55                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  56         } else {
  57                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  58         }
  59
  60         /**
  61          * Return available translations names.
  62          *
  63          * @access public
  64          * @return array A array of available translations.
  65          */
  66         function get_translations() {
  67                 $tr = array(
  68                                         "auto"  => "Detect automatically",
  69                                         "ar_SA" => "العربيّة (Arabic)",
  70                                         "bg_BG" => "Bulgarian",
  71                                         "da_DA" => "Dansk",
  72                                         "ca_CA" => "Català",
  73                                         "cs_CZ" => "Česky",
  74                                         "en_US" => "English",
  75                                         "el_GR" => "Ελληνικά",
  76                                         "es_ES" => "Español (España)",
  77                                         "es_LA" => "Español",
  78                                         "de_DE" => "Deutsch",
  79                                         "fr_FR" => "Français",
  80                                         "hu_HU" => "Magyar (Hungarian)",
  81                                         "it_IT" => "Italiano",
  82                                         "ja_JP" => "日本語 (Japanese)",
  83                                         "lv_LV" => "Latviešu",
  84                                         "nb_NO" => "Norwegian bokmål",
  85                                         "nl_NL" => "Dutch",
  86                                         "pl_PL" => "Polski",
  87                                         "ru_RU" => "Русский",
  88                                         "pt_BR" => "Portuguese/Brazil",
  89                                         "pt_PT" => "Portuguese/Portugal",
  90                                         "zh_CN" => "Simplified Chinese",
  91                                         "zh_TW" => "Traditional Chinese",
  92                                         "sv_SE" => "Svenska",
  93                                         "fi_FI" => "Suomi",
  94                                         "tr_TR" => "Türkçe");
  95
  96                 return $tr;
  97         }
  98
  99         require_once "lib/accept-to-gettext.php";
 100         require_once "lib/gettext/gettext.inc";
 101
 102         function startup_gettext() {
 103
 104                 # Get locale from Accept-Language header
 105                 $lang = al2gt(array_keys(get_translations()), "text/html");
 106
 107                 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
 108                         $lang = _TRANSLATION_OVERRIDE_DEFAULT;
 109                 }
 110
 111                 if ($_SESSION["uid"] && get_schema_version() >= 120) {
 112                         $pref_lang = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
 113
 114                         if ($pref_lang && $pref_lang != 'auto') {
 115                                 $lang = $pref_lang;
 116                         }
 117                 }
 118
 119                 if ($lang) {
 120                         if (defined('LC_MESSAGES')) {
 121                                 _setlocale(LC_MESSAGES, $lang);
 122                         } else if (defined('LC_ALL')) {
 123                                 _setlocale(LC_ALL, $lang);
 124                         }
 125
 126                         _bindtextdomain("messages", "locale");
 127
 128                         _textdomain("messages");
 129                         _bind_textdomain_codeset("messages", "UTF-8");
 130                 }
 131         }
 132
 133         require_once 'db-prefs.php';
 134         require_once 'version.php';
 135         require_once 'ccache.php';
 136         require_once 'labels.php';
 137
 138         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
 139         ini_set('user_agent', SELF_USER_AGENT);
 140
 141         require_once 'lib/pubsubhubbub/publisher.php';
 142
 143         $schema_version = false;
 144
 145         function _debug_suppress($suppress) {
 146                 global $suppress_debugging;
 147
 148                 $suppress_debugging = $suppress;
 149         }
 150
 151         /**
 152          * Print a timestamped debug message.
 153          *
 154          * @param string $msg The debug message.
 155          * @return void
 156          */
 157         function _debug($msg, $show = true) {
 158                 global $suppress_debugging;
 159
 160                 //echo "[$suppress_debugging] $msg $show\n";
 161
 162                 if ($suppress_debugging) return false;
 163
 164                 $ts = strftime("%H:%M:%S", time());
 165                 if (function_exists('posix_getpid')) {
 166                         $ts = "$ts/" . posix_getpid();
 167                 }
 168
 169                 if ($show && !(defined('QUIET') && QUIET)) {
 170                         print "[$ts] $msg\n";
 171                 }
 172
 173                 if (defined('LOGFILE'))  {
 174                         $fp = fopen(LOGFILE, 'a+');
 175
 176                         if ($fp) {
 177                                 $locked = false;
 178
 179                                 if (function_exists("flock")) {
 180                                         $tries = 0;
 181
 182                                         // try to lock logfile for writing
 183                                         while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB)) {
 184                                                 sleep(1);
 185                                                 ++$tries;
 186                                         }
 187
 188                                         if (!$locked) {
 189                                                 fclose($fp);
 190                                                 return;
 191                                         }
 192                                 }
 193
 194                                 fputs($fp, "[$ts] $msg\n");
 195
 196                                 if (function_exists("flock")) {
 197                                         flock($fp, LOCK_UN);
 198                                 }
 199
 200                                 fclose($fp);
 201                         }
 202                 }
 203
 204         } // function _debug
 205
 206         /**
 207          * Purge a feed old posts.
 208          *
 209          * @param mixed $link A database connection.
 210          * @param mixed $feed_id The id of the purged feed.
 211          * @param mixed $purge_interval Olderness of purged posts.
 212          * @param boolean $debug Set to True to enable the debug. False by default.
 213          * @access public
 214          * @return void
 215          */
 216         function purge_feed($feed_id, $purge_interval, $debug = false) {
 217
 218                 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
 219
 220                 $rows = -1;
 221
 222                 $result = db_query(
 223                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 224
 225                 $owner_uid = false;
 226
 227                 if (db_num_rows($result) == 1) {
 228                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 229                 }
 230
 231                 if ($purge_interval == -1 || !$purge_interval) {
 232                         if ($owner_uid) {
 233                                 ccache_update($feed_id, $owner_uid);
 234                         }
 235                         return;
 236                 }
 237
 238                 if (!$owner_uid) return;
 239
 240                 if (FORCE_ARTICLE_PURGE == 0) {
 241                         $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
 242                                 $owner_uid, false);
 243                 } else {
 244                         $purge_unread = true;
 245                         $purge_interval = FORCE_ARTICLE_PURGE;
 246                 }
 247
 248                 if (!$purge_unread) $query_limit = " unread = false AND ";
 249
 250                 if (DB_TYPE == "pgsql") {
 251                         $result = db_query("DELETE FROM ttrss_user_entries
 252                                 USING ttrss_entries
 253                                 WHERE ttrss_entries.id = ref_id AND
 254                                 marked = false AND
 255                                 feed_id = '$feed_id' AND
 256                                 $query_limit
 257                                 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 258
 259                 } else {
 260
 261 /*                      $result = db_query("DELETE FROM ttrss_user_entries WHERE
 262                                 marked = false AND feed_id = '$feed_id' AND
 263                                 (SELECT date_updated FROM ttrss_entries WHERE
 264                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 265
 266                         $result = db_query("DELETE FROM ttrss_user_entries
 267                                 USING ttrss_user_entries, ttrss_entries
 268                                 WHERE ttrss_entries.id = ref_id AND
 269                                 marked = false AND
 270                                 feed_id = '$feed_id' AND
 271                                 $query_limit
 272                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 273                 }
 274
 275                 $rows = db_affected_rows($result);
 276
 277                 ccache_update($feed_id, $owner_uid);
 278
 279                 if ($debug) {
 280                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 281                 }
 282
 283                 return $rows;
 284         } // function purge_feed
 285
 286         function feed_purge_interval($feed_id) {
 287
 288                 $result = db_query("SELECT purge_interval, owner_uid FROM ttrss_feeds
 289                         WHERE id = '$feed_id'");
 290
 291                 if (db_num_rows($result) == 1) {
 292                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 293                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 294
 295                         if ($purge_interval == 0) $purge_interval = get_pref(
 296                                 'PURGE_OLD_DAYS', $owner_uid);
 297
 298                         return $purge_interval;
 299
 300                 } else {
 301                         return -1;
 302                 }
 303         }
 304
 305         function purge_orphans($do_output = false) {
 306
 307                 // purge orphaned posts in main content table
 308                 $result = db_query("DELETE FROM ttrss_entries WHERE
 309                         NOT EXISTS (SELECT ref_id FROM ttrss_user_entries WHERE ref_id = id)");
 310
 311                 if ($do_output) {
 312                         $rows = db_affected_rows($result);
 313                         _debug("Purged $rows orphaned posts.");
 314                 }
 315         }
 316
 317         function get_feed_update_interval($feed_id) {
 318                 $result = db_query("SELECT owner_uid, update_interval FROM
 319                         ttrss_feeds WHERE id = '$feed_id'");
 320
 321                 if (db_num_rows($result) == 1) {
 322                         $update_interval = db_fetch_result($result, 0, "update_interval");
 323                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 324
 325                         if ($update_interval != 0) {
 326                                 return $update_interval;
 327                         } else {
 328                                 return get_pref('DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 329                         }
 330
 331                 } else {
 332                         return -1;
 333                 }
 334         }
 335
 336         // TODO: multiple-argument way is deprecated, first parameter is a hash now
 337         function fetch_file_contents($options /* previously: 0: $url , 1: $type = false, 2: $login = false, 3: $pass = false,
 338                                 4: $post_query = false, 5: $timeout = false, 6: $timestamp = 0, 7: $useragent = false*/) {
 339
 340                 global $fetch_last_error;
 341                 global $fetch_last_error_code;
 342                 global $fetch_last_error_content;
 343                 global $fetch_last_content_type;
 344                 global $fetch_curl_used;
 345
 346                 if (!is_array($options) && func_num_args() > 1) {
 347
 348                         // falling back on compatibility shim
 349                         $options = array(
 350                                         "url" => func_get_arg(0),
 351                                         "type" => @func_get_arg(1),
 352                                         "login" => @func_get_arg(2),
 353                                         "pass" => @func_get_arg(3),
 354                                         "post_query" => @func_get_arg(4),
 355                                         "timeout" => @func_get_arg(5),
 356                                         "timestamp" => @func_get_arg(6),
 357                                         "useragent" => @func_get_arg(7)
 358                         );
 359                 }
 360
 361                 $url = $options["url"];
 362                 $type = isset($options["type"]) ? $options["type"] : false;
 363                 $login = isset($options["login"]) ? $options["login"] : false;
 364                 $pass = isset($options["pass"]) ? $options["pass"] : false;
 365                 $post_query = isset($options["post_query"]) ? $options["post_query"] : false;
 366                 $timeout = isset($options["timeout"]) ? $options["timeout"] : false;
 367                 $timestamp = isset($options["timestamp"]) ? $options["timestamp"] : 0;
 368                 $useragent = isset($options["useragent"]) ? $options["useragent"] : false;
 369
 370                 $url = ltrim($url, ' ');
 371                 $url = str_replace(' ', '%20', $url);
 372
 373                 if (strpos($url, "//") === 0)
 374                         $url = 'http:' . $url;
 375
 376                 if (!defined('NO_CURL') && function_exists('curl_init') && !ini_get("open_basedir")) {
 377
 378                         $fetch_curl_used = true;
 379
 380                         $ch = curl_init($url);
 381
 382                         if ($timestamp && !$post_query) {
 383                                 curl_setopt($ch, CURLOPT_HTTPHEADER,
 384                                         array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
 385                         }
 386
 387                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
 388                         curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
 389                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("open_basedir"));
 390                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 391                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 392                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 393                         curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
 394                         curl_setopt($ch, CURLOPT_USERAGENT, $useragent ? $useragent :
 395                                 SELF_USER_AGENT);
 396                         curl_setopt($ch, CURLOPT_ENCODING, "");
 397                         //curl_setopt($ch, CURLOPT_REFERER, $url);
 398
 399                         if (!ini_get("open_basedir")) {
 400                                 curl_setopt($ch, CURLOPT_COOKIEJAR, "/dev/null");
 401                         }
 402
 403                         if (defined('_CURL_HTTP_PROXY')) {
 404                                 curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);
 405                         }
 406
 407                         if ($post_query) {
 408                                 curl_setopt($ch, CURLOPT_POST, true);
 409                                 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
 410                         }
 411
 412                         if ($login && $pass)
 413                                 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
 414
 415                         $contents = @curl_exec($ch);
 416
 417                         if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
 418                                 curl_setopt($ch, CURLOPT_ENCODING, 'none');
 419                                 $contents = @curl_exec($ch);
 420                         }
 421
 422                         if ($contents === false) {
 423                                 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
 424                                 curl_close($ch);
 425                                 return false;
 426                         }
 427
 428                         $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 429                         $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 430
 431                         $fetch_last_error_code = $http_code;
 432
 433                         if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
 434                                 if (curl_errno($ch) != 0) {
 435                                         $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
 436                                 } else {
 437                                         $fetch_last_error = "HTTP Code: $http_code";
 438                                 }
 439                                 $fetch_last_error_content = $contents;
 440                                 curl_close($ch);
 441                                 return false;
 442                         }
 443
 444                         curl_close($ch);
 445
 446                         return $contents;
 447                 } else {
 448
 449                         $fetch_curl_used = false;
 450
 451                         if ($login && $pass){
 452                                 $url_parts = array();
 453
 454                                 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
 455
 456                                 $pass = urlencode($pass);
 457
 458                                 if ($url_parts[1] && $url_parts[2]) {
 459                                         $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
 460                                 }
 461                         }
 462
 463                         if (!$post_query && $timestamp) {
 464                                  $context = stream_context_create(array(
 465                                           'http' => array(
 466                                                         'method' => 'GET',
 467                                                         'protocol_version'=> 1.1,
 468                                                         'header' => "If-Modified-Since: ".gmdate("D, d M Y H:i:s \\G\\M\\T\r\n", $timestamp)
 469                                           )));
 470                         } else {
 471                                  $context = stream_context_create(array(
 472                                           'http' => array(
 473                                                         'method' => 'GET',
 474                                                         'protocol_version'=> 1.1
 475                                           )));
 476                         }
 477
 478                         $old_error = error_get_last();
 479
 480                         $data = @file_get_contents($url, false, $context);
 481
 482                         $fetch_last_content_type = false;  // reset if no type was sent from server
 483                         if (isset($http_response_header) && is_array($http_response_header)) {
 484                                 foreach ($http_response_header as $h) {
 485                                         if (substr(strtolower($h), 0, 13) == 'content-type:') {
 486                                                 $fetch_last_content_type = substr($h, 14);
 487                                                 // don't abort here b/c there might be more than one
 488                                                 // e.g. if we were being redirected -- last one is the right one
 489                                         }
 490
 491                                         if (substr(strtolower($h), 0, 7) == 'http/1.') {
 492                                                 $fetch_last_error_code = (int) substr($h, 9, 3);
 493                                         }
 494                                 }
 495                         }
 496
 497                         if (!$data) {
 498                                 $error = error_get_last();
 499
 500                                 if ($error['message'] != $old_error['message']) {
 501                                         $fetch_last_error = $error["message"];
 502                                 } else {
 503                                         $fetch_last_error = "HTTP Code: $fetch_last_error_code";
 504                                 }
 505                         }
 506                         return $data;
 507                 }
 508
 509         }
 510
 511         /**
 512          * Try to determine the favicon URL for a feed.
 513          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 514          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 515          *
 516          * @param string $url A feed or page URL
 517          * @access public
 518          * @return mixed The favicon URL, or false if none was found.
 519          */
 520         function get_favicon_url($url) {
 521
 522                 $favicon_url = false;
 523
 524                 if ($html = @fetch_file_contents($url)) {
 525
 526                         libxml_use_internal_errors(true);
 527
 528                         $doc = new DOMDocument();
 529                         $doc->loadHTML($html);
 530                         $xpath = new DOMXPath($doc);
 531
 532                         $base = $xpath->query('/html/head/base');
 533                         foreach ($base as $b) {
 534                                 $url = $b->getAttribute("href");
 535                                 break;
 536                         }
 537
 538                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
 539                         if (count($entries) > 0) {
 540                                 foreach ($entries as $entry) {
 541                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 542                                         break;
 543                                 }
 544                         }
 545                 }
 546
 547                 if (!$favicon_url)
 548                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 549
 550                 return $favicon_url;
 551         } // function get_favicon_url
 552
 553         function check_feed_favicon($site_url, $feed) {
 554 #               print "FAVICON [$site_url]: $favicon_url\n";
 555
 556                 $icon_file = ICONS_DIR . "/$feed.ico";
 557
 558                 if (!file_exists($icon_file)) {
 559                         $favicon_url = get_favicon_url($site_url);
 560
 561                         if ($favicon_url) {
 562                                 // Limiting to "image" type misses those served with text/plain
 563                                 $contents = fetch_file_contents($favicon_url); // , "image");
 564
 565                                 if ($contents) {
 566                                         // Crude image type matching.
 567                                         // Patterns gleaned from the file(1) source code.
 568                                         if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
 569                                                 // 0       string  \000\000\001\000        MS Windows icon resource
 570                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
 571                                         }
 572                                         elseif (preg_match('/^GIF8/', $contents)) {
 573                                                 // 0       string          GIF8            GIF image data
 574                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
 575                                         }
 576                                         elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
 577                                                 // 0       string          \x89PNG\x0d\x0a\x1a\x0a         PNG image data
 578                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
 579                                         }
 580                                         elseif (preg_match('/^\xff\xd8/', $contents)) {
 581                                                 // 0       beshort         0xffd8          JPEG image data
 582                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
 583                                         }
 584                                         else {
 585                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
 586                                                 $contents = "";
 587                                         }
 588                                 }
 589
 590                                 if ($contents) {
 591                                         $fp = @fopen($icon_file, "w");
 592
 593                                         if ($fp) {
 594                                                 fwrite($fp, $contents);
 595                                                 fclose($fp);
 596                                                 chmod($icon_file, 0644);
 597                                         }
 598                                 }
 599                         }
 600             return $icon_file;
 601                 }
 602         }
 603
 604         function print_select($id, $default, $values, $attributes = "", $name = "") {
 605                 if (!$name) $name = $id;
 606
 607                 print "<select name=\"$name\" id=\"$id\" $attributes>";
 608                 foreach ($values as $v) {
 609                         if ($v == $default)
 610                                 $sel = "selected=\"1\"";
 611                          else
 612                                 $sel = "";
 613
 614                         $v = trim($v);
 615
 616                         print "<option value=\"$v\" $sel>$v</option>";
 617                 }
 618                 print "</select>";
 619         }
 620
 621         function print_select_hash($id, $default, $values, $attributes = "", $name = "") {
 622                 if (!$name) $name = $id;
 623
 624                 print "<select name=\"$name\" id='$id' $attributes>";
 625                 foreach (array_keys($values) as $v) {
 626                         if ($v == $default)
 627                                 $sel = 'selected="selected"';
 628                          else
 629                                 $sel = "";
 630
 631                         $v = trim($v);
 632
 633                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
 634                 }
 635
 636                 print "</select>";
 637         }
 638
 639         function print_radio($id, $default, $true_is, $values, $attributes = "") {
 640                 foreach ($values as $v) {
 641
 642                         if ($v == $default)
 643                                 $sel = "checked";
 644                          else
 645                                 $sel = "";
 646
 647                         if ($v == $true_is) {
 648                                 $sel .= " value=\"1\"";
 649                         } else {
 650                                 $sel .= " value=\"0\"";
 651                         }
 652
 653                         print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
 654                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
 655
 656                 }
 657         }
 658
 659         function initialize_user_prefs($uid, $profile = false) {
 660
 661                 $uid = db_escape_string($uid);
 662
 663                 if (!$profile) {
 664                         $profile = "NULL";
 665                         $profile_qpart = "AND profile IS NULL";
 666                 } else {
 667                         $profile_qpart = "AND profile = '$profile'";
 668                 }
 669
 670                 if (get_schema_version() < 63) $profile_qpart = "";
 671
 672                 db_query("BEGIN");
 673
 674                 $result = db_query("SELECT pref_name,def_value FROM ttrss_prefs");
 675
 676                 $u_result = db_query("SELECT pref_name
 677                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
 678
 679                 $active_prefs = array();
 680
 681                 while ($line = db_fetch_assoc($u_result)) {
 682                         array_push($active_prefs, $line["pref_name"]);
 683                 }
 684
 685                 while ($line = db_fetch_assoc($result)) {
 686                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
 687 //                              print "adding " . $line["pref_name"] . "<br>";
 688
 689                                 $line["def_value"] = db_escape_string($line["def_value"]);
 690                                 $line["pref_name"] = db_escape_string($line["pref_name"]);
 691
 692                                 if (get_schema_version() < 63) {
 693                                         db_query("INSERT INTO ttrss_user_prefs
 694                                                 (owner_uid,pref_name,value) VALUES
 695                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
 696
 697                                 } else {
 698                                         db_query("INSERT INTO ttrss_user_prefs
 699                                                 (owner_uid,pref_name,value, profile) VALUES
 700                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
 701                                 }
 702
 703                         }
 704                 }
 705
 706                 db_query("COMMIT");
 707
 708         }
 709
 710         function get_ssl_certificate_id() {
 711                 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
 712                         return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
 713                                 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
 714                                 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
 715                                 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
 716                 }
 717                 if ($_SERVER["SSL_CLIENT_M_SERIAL"]) {
 718                         return sha1($_SERVER["SSL_CLIENT_M_SERIAL"] .
 719                                 $_SERVER["SSL_CLIENT_V_START"] .
 720                                 $_SERVER["SSL_CLIENT_V_END"] .
 721                                 $_SERVER["SSL_CLIENT_S_DN"]);
 722                 }
 723                 return "";
 724         }
 725
 726         function authenticate_user($login, $password, $check_only = false) {
 727
 728                 if (!SINGLE_USER_MODE) {
 729                         $user_id = false;
 730
 731                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
 732
 733                                 $user_id = (int) $plugin->authenticate($login, $password);
 734
 735                                 if ($user_id) {
 736                                         $_SESSION["auth_module"] = strtolower(get_class($plugin));
 737                                         break;
 738                                 }
 739                         }
 740
 741                         if ($user_id && !$check_only) {
 742                                 @session_start();
 743
 744                                 $_SESSION["uid"] = $user_id;
 745                                 $_SESSION["version"] = VERSION_STATIC;
 746
 747                                 $result = db_query("SELECT login,access_level,pwd_hash FROM ttrss_users
 748                                         WHERE id = '$user_id'");
 749
 750                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
 751                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
 752                                 $_SESSION["csrf_token"] = uniqid_short();
 753
 754                                 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 755                                         $_SESSION["uid"]);
 756
 757                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 758                                 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
 759                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
 760
 761                                 $_SESSION["last_version_check"] = time();
 762
 763                                 initialize_user_prefs($_SESSION["uid"]);
 764
 765                                 return true;
 766                         }
 767
 768                         return false;
 769
 770                 } else {
 771
 772                         $_SESSION["uid"] = 1;
 773                         $_SESSION["name"] = "admin";
 774                         $_SESSION["access_level"] = 10;
 775
 776                         $_SESSION["hide_hello"] = true;
 777                         $_SESSION["hide_logout"] = true;
 778
 779                         $_SESSION["auth_module"] = false;
 780
 781                         if (!$_SESSION["csrf_token"]) {
 782                                 $_SESSION["csrf_token"] = uniqid_short();
 783                         }
 784
 785                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 786
 787                         initialize_user_prefs($_SESSION["uid"]);
 788
 789                         return true;
 790                 }
 791         }
 792
 793         function make_password($length = 8) {
 794
 795                 $password = "";
 796                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
 797
 798         $i = 0;
 799
 800                 while ($i < $length) {
 801                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
 802
 803                         if (!strstr($password, $char)) {
 804                                 $password .= $char;
 805                                 $i++;
 806                         }
 807                 }
 808                 return $password;
 809         }
 810
 811         // this is called after user is created to initialize default feeds, labels
 812         // or whatever else
 813
 814         // user preferences are checked on every login, not here
 815
 816         function initialize_user($uid) {
 817
 818                 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
 819                         values ('$uid', 'Tiny Tiny RSS: Forum',
 820                                 'http://tt-rss.org/forum/rss.php')");
 821         }
 822
 823         function logout_user() {
 824                 session_destroy();
 825                 if (isset($_COOKIE[session_name()])) {
 826                    setcookie(session_name(), '', time()-42000, '/');
 827                 }
 828         }
 829
 830         function validate_csrf($csrf_token) {
 831                 return $csrf_token == $_SESSION['csrf_token'];
 832         }
 833
 834         function load_user_plugins($owner_uid) {
 835                 if ($owner_uid && SCHEMA_VERSION >= 100) {
 836                         $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
 837
 838                         PluginHost::getInstance()->load($plugins, PluginHost::KIND_USER, $owner_uid);
 839
 840                         if (get_schema_version() > 100) {
 841                                 PluginHost::getInstance()->load_data();
 842                         }
 843                 }
 844         }
 845
 846         function login_sequence() {
 847                 if (SINGLE_USER_MODE) {
 848                         @session_start();
 849                         authenticate_user("admin", null);
 850                         startup_gettext();
 851                         load_user_plugins($_SESSION["uid"]);
 852                 } else {
 853                         if (!validate_session()) $_SESSION["uid"] = false;
 854
 855                         if (!$_SESSION["uid"]) {
 856
 857                                 if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) {
 858                                     $_SESSION["ref_schema_version"] = get_schema_version(true);
 859                                 } else {
 860                                          authenticate_user(null, null, true);
 861                                 }
 862
 863                                 if (!$_SESSION["uid"]) {
 864                                         @session_destroy();
 865                                         setcookie(session_name(), '', time()-42000, '/');
 866
 867                                         render_login_form();
 868                                         exit;
 869                                 }
 870
 871                         } else {
 872                                 /* bump login timestamp */
 873                                 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 874                                         $_SESSION["uid"]);
 875                                 $_SESSION["last_login_update"] = time();
 876                         }
 877
 878                         if ($_SESSION["uid"]) {
 879                                 startup_gettext();
 880                                 load_user_plugins($_SESSION["uid"]);
 881
 882                                 /* cleanup ccache */
 883
 884                                 db_query("DELETE FROM ttrss_counters_cache WHERE owner_uid = ".
 885                                         $_SESSION["uid"] . " AND
 886                                                 (SELECT COUNT(id) FROM ttrss_feeds WHERE
 887                                                         ttrss_feeds.id = feed_id) = 0");
 888
 889                                 db_query("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ".
 890                                         $_SESSION["uid"] . " AND
 891                                                 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
 892                                                         ttrss_feed_categories.id = feed_id) = 0");
 893
 894                         }
 895
 896                 }
 897         }
 898
 899         function truncate_string($str, $max_len, $suffix = '&hellip;') {
 900                 if (mb_strlen($str, "utf-8") > $max_len) {
 901                         return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
 902                 } else {
 903                         return $str;
 904                 }
 905         }
 906
 907         // is not utf8 clean
 908         function truncate_middle($str, $max_len, $suffix = '&hellip;') {
 909                 if (strlen($str) > $max_len) {
 910                         return substr_replace($str, $suffix, $max_len / 2, mb_strlen($str) - $max_len);
 911                 } else {
 912                         return $str;
 913                 }
 914         }
 915
 916         function convert_timestamp($timestamp, $source_tz, $dest_tz) {
 917
 918                 try {
 919                         $source_tz = new DateTimeZone($source_tz);
 920                 } catch (Exception $e) {
 921                         $source_tz = new DateTimeZone('UTC');
 922                 }
 923
 924                 try {
 925                         $dest_tz = new DateTimeZone($dest_tz);
 926                 } catch (Exception $e) {
 927                         $dest_tz = new DateTimeZone('UTC');
 928                 }
 929
 930                 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
 931                 return $dt->format('U') + $dest_tz->getOffset($dt);
 932         }
 933
 934         function make_local_datetime($timestamp, $long, $owner_uid = false,
 935                                         $no_smart_dt = false, $eta_min = false) {
 936
 937                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
 938                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
 939
 940                 global $utc_tz;
 941                 global $user_tz;
 942
 943                 if (!$utc_tz) $utc_tz = new DateTimeZone('UTC');
 944
 945                 $timestamp = substr($timestamp, 0, 19);
 946
 947                 # We store date in UTC internally
 948                 $dt = new DateTime($timestamp, $utc_tz);
 949
 950                 $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
 951
 952                 if ($user_tz_string != 'Automatic') {
 953
 954                         try {
 955                                 if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string);
 956                         } catch (Exception $e) {
 957                                 $user_tz = $utc_tz;
 958                         }
 959
 960                         $tz_offset = $user_tz->getOffset($dt);
 961                 } else {
 962                         $tz_offset = (int) -$_SESSION["clientTzOffset"];
 963                 }
 964
 965                 $user_timestamp = $dt->format('U') + $tz_offset;
 966
 967                 if (!$no_smart_dt) {
 968                         return smart_date_time($user_timestamp,
 969                                 $tz_offset, $owner_uid, $eta_min);
 970                 } else {
 971                         if ($long)
 972                                 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
 973                         else
 974                                 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
 975
 976                         return date($format, $user_timestamp);
 977                 }
 978         }
 979
 980         function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false, $eta_min = false) {
 981                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
 982
 983                 if ($eta_min && time() + $tz_offset - $timestamp < 3600) {
 984                         return T_sprintf("%d min", date("i", time() + $tz_offset - $timestamp));
 985                 } else if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
 986                         return date("G:i", $timestamp);
 987                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
 988                         $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
 989                         return date($format, $timestamp);
 990                 } else {
 991                         $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
 992                         return date($format, $timestamp);
 993                 }
 994         }
 995
 996         function sql_bool_to_bool($s) {
 997                 if ($s == "t" || $s == "1" || strtolower($s) == "true") {
 998                         return true;
 999                 } else {
1000                         return false;
1001                 }
1002         }
1003
1004         function bool_to_sql_bool($s) {
1005                 if ($s) {
1006                         return "true";
1007                 } else {
1008                         return "false";
1009                 }
1010         }
1011
1012         // Session caching removed due to causing wrong redirects to upgrade
1013         // script when get_schema_version() is called on an obsolete session
1014         // created on a previous schema version.
1015         function get_schema_version($nocache = false) {
1016                 global $schema_version;
1017
1018                 if (!$schema_version && !$nocache) {
1019                         $result = db_query("SELECT schema_version FROM ttrss_version");
1020                         $version = db_fetch_result($result, 0, "schema_version");
1021                         $schema_version = $version;
1022                         return $version;
1023                 } else {
1024                         return $schema_version;
1025                 }
1026         }
1027
1028         function sanity_check() {
1029                 require_once 'errors.php';
1030                 global $ERRORS;
1031
1032                 $error_code = 0;
1033                 $schema_version = get_schema_version(true);
1034
1035                 if ($schema_version != SCHEMA_VERSION) {
1036                         $error_code = 5;
1037                 }
1038
1039                 if (DB_TYPE == "mysql") {
1040                         $result = db_query("SELECT true", false);
1041                         if (db_num_rows($result) != 1) {
1042                                 $error_code = 10;
1043                         }
1044                 }
1045
1046                 if (db_escape_string("testTEST") != "testTEST") {
1047                         $error_code = 12;
1048                 }
1049
1050                 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
1051         }
1052
1053         function file_is_locked($filename) {
1054                 if (file_exists(LOCK_DIRECTORY . "/$filename")) {
1055                         if (function_exists('flock')) {
1056                                 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
1057                                 if ($fp) {
1058                                         if (flock($fp, LOCK_EX | LOCK_NB)) {
1059                                                 flock($fp, LOCK_UN);
1060                                                 fclose($fp);
1061                                                 return false;
1062                                         }
1063                                         fclose($fp);
1064                                         return true;
1065                                 } else {
1066                                         return false;
1067                                 }
1068                         }
1069                         return true; // consider the file always locked and skip the test
1070                 } else {
1071                         return false;
1072                 }
1073         }
1074
1075
1076         function make_lockfile($filename) {
1077                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1078
1079                 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
1080                         $stat_h = fstat($fp);
1081                         $stat_f = stat(LOCK_DIRECTORY . "/$filename");
1082
1083                         if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
1084                                 if ($stat_h["ino"] != $stat_f["ino"] ||
1085                                                 $stat_h["dev"] != $stat_f["dev"]) {
1086
1087                                         return false;
1088                                 }
1089                         }
1090
1091                         if (function_exists('posix_getpid')) {
1092                                 fwrite($fp, posix_getpid() . "\n");
1093                         }
1094                         return $fp;
1095                 } else {
1096                         return false;
1097                 }
1098         }
1099
1100         function make_stampfile($filename) {
1101                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1102
1103                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1104                         fwrite($fp, time() . "\n");
1105                         flock($fp, LOCK_UN);
1106                         fclose($fp);
1107                         return true;
1108                 } else {
1109                         return false;
1110                 }
1111         }
1112
1113         function sql_random_function() {
1114                 if (DB_TYPE == "mysql") {
1115                         return "RAND()";
1116                 } else {
1117                         return "RANDOM()";
1118                 }
1119         }
1120
1121         function catchup_feed($feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all') {
1122
1123                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1124
1125                         //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1126
1127                         // Todo: all this interval stuff needs some generic generator function
1128
1129                         $date_qpart = "false";
1130
1131                         switch ($mode) {
1132                         case "1day":
1133                                 if (DB_TYPE == "pgsql") {
1134                                         $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1135                                 } else {
1136                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1137                                 }
1138                                 break;
1139                         case "1week":
1140                                 if (DB_TYPE == "pgsql") {
1141                                         $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1142                                 } else {
1143                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1144                                 }
1145                                 break;
1146                         case "2week":
1147                                 if (DB_TYPE == "pgsql") {
1148                                         $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1149                                 } else {
1150                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1151                                 }
1152                                 break;
1153                         default:
1154                                 $date_qpart = "true";
1155                         }
1156
1157                         if (is_numeric($feed)) {
1158                                 if ($cat_view) {
1159
1160                                         if ($feed >= 0) {
1161
1162                                                 if ($feed > 0) {
1163                                                         $children = getChildCategories($feed, $owner_uid);
1164                                                         array_push($children, $feed);
1165
1166                                                         $children = join(",", $children);
1167
1168                                                         $cat_qpart = "cat_id IN ($children)";
1169                                                 } else {
1170                                                         $cat_qpart = "cat_id IS NULL";
1171                                                 }
1172
1173                                                 db_query("UPDATE ttrss_user_entries
1174                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1175                                                                 (SELECT id FROM
1176                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1177                                                                                 AND owner_uid = $owner_uid AND unread = true AND feed_id IN
1178                                                                                         (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart) as tmp)");
1179
1180                                         } else if ($feed == -2) {
1181
1182                                                 db_query("UPDATE ttrss_user_entries
1183                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1184                                                                 FROM ttrss_user_labels2, ttrss_entries WHERE article_id = ref_id AND id = ref_id AND $date_qpart) > 0
1185                                                                 AND unread = true AND owner_uid = $owner_uid");
1186                                         }
1187
1188                                 } else if ($feed > 0) {
1189
1190                                         db_query("UPDATE ttrss_user_entries
1191                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1192                                                         (SELECT id FROM
1193                                                                 (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1194                                                                         AND owner_uid = $owner_uid AND unread = true AND feed_id = $feed AND $date_qpart) as tmp)");
1195
1196                                 } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1197
1198                                         if ($feed == -1) {
1199                                                 db_query("UPDATE ttrss_user_entries
1200                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1201                                                                 (SELECT id FROM
1202                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1203                                                                                 AND owner_uid = $owner_uid AND unread = true AND marked = true AND $date_qpart) as tmp)");
1204                                         }
1205
1206                                         if ($feed == -2) {
1207                                                 db_query("UPDATE ttrss_user_entries
1208                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1209                                                                 (SELECT id FROM
1210                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1211                                                                                 AND owner_uid = $owner_uid AND unread = true AND published = true AND $date_qpart) as tmp)");
1212                                         }
1213
1214                                         if ($feed == -3) {
1215
1216                                                 $intl = get_pref("FRESH_ARTICLE_MAX_AGE");
1217
1218                                                 if (DB_TYPE == "pgsql") {
1219                                                         $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1220                                                 } else {
1221                                                         $match_part = "date_entered > DATE_SUB(NOW(),
1222                                                                 INTERVAL $intl HOUR) ";
1223                                                 }
1224
1225                                                 db_query("UPDATE ttrss_user_entries
1226                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1227                                                                 (SELECT id FROM
1228                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1229                                                                                 AND owner_uid = $owner_uid AND score >= 0 AND unread = true AND $date_qpart AND $match_part) as tmp)");
1230                                         }
1231
1232                                         if ($feed == -4) {
1233                                                 db_query("UPDATE ttrss_user_entries
1234                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1235                                                                 (SELECT id FROM
1236                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1237                                                                                 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1238                                         }
1239
1240                                 } else if ($feed < LABEL_BASE_INDEX) { // label
1241
1242                                         $label_id = feed_to_label_id($feed);
1243
1244                                         db_query("UPDATE ttrss_user_entries
1245                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1246                                                         (SELECT id FROM
1247                                                                 (SELECT DISTINCT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1248                                                                         AND label_id = '$label_id' AND ref_id = article_id
1249                                                                         AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1250
1251                                 }
1252
1253                                 ccache_update($feed, $owner_uid, $cat_view);
1254
1255                         } else { // tag
1256                                 db_query("UPDATE ttrss_user_entries
1257                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1258                                                 (SELECT id FROM
1259                                                         (SELECT DISTINCT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1260                                                                 AND post_int_id = int_id AND tag_name = '$feed'
1261                                                                 AND ttrss_user_entries.owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1262
1263                         }
1264         }
1265
1266         function getAllCounters() {
1267                 $data = getGlobalCounters();
1268
1269                 $data = array_merge($data, getVirtCounters());
1270                 $data = array_merge($data, getLabelCounters());
1271                 $data = array_merge($data, getFeedCounters());
1272                 $data = array_merge($data, getCategoryCounters());
1273
1274                 return $data;
1275         }
1276
1277         function getCategoryTitle($cat_id) {
1278
1279                 if ($cat_id == -1) {
1280                         return __("Special");
1281                 } else if ($cat_id == -2) {
1282                         return __("Labels");
1283                 } else {
1284
1285                         $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1286                                 id = '$cat_id'");
1287
1288                         if (db_num_rows($result) == 1) {
1289                                 return db_fetch_result($result, 0, "title");
1290                         } else {
1291                                 return __("Uncategorized");
1292                         }
1293                 }
1294         }
1295
1296
1297         function getCategoryCounters() {
1298                 $ret_arr = array();
1299
1300                 /* Labels category */
1301
1302                 $cv = array("id" => -2, "kind" => "cat",
1303                         "counter" => getCategoryUnread(-2));
1304
1305                 array_push($ret_arr, $cv);
1306
1307                 $result = db_query("SELECT id AS cat_id, value AS unread,
1308                         (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1309                                 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1310                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
1311                         WHERE ttrss_cat_counters_cache.feed_id = id AND
1312                         ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1313                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1314
1315                 while ($line = db_fetch_assoc($result)) {
1316                         $line["cat_id"] = (int) $line["cat_id"];
1317
1318                         if ($line["num_children"] > 0) {
1319                                 $child_counter = getCategoryChildrenUnread($line["cat_id"], $_SESSION["uid"]);
1320                         } else {
1321                                 $child_counter = 0;
1322                         }
1323
1324                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
1325                                 "counter" => $line["unread"] + $child_counter);
1326
1327                         array_push($ret_arr, $cv);
1328                 }
1329
1330                 /* Special case: NULL category doesn't actually exist in the DB */
1331
1332                 $cv = array("id" => 0, "kind" => "cat",
1333                         "counter" => (int) ccache_find(0, $_SESSION["uid"], true));
1334
1335                 array_push($ret_arr, $cv);
1336
1337                 return $ret_arr;
1338         }
1339
1340         // only accepts real cats (>= 0)
1341         function getCategoryChildrenUnread($cat, $owner_uid = false) {
1342                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1343
1344                 $result = db_query("SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1345                                 AND owner_uid = $owner_uid");
1346
1347                 $unread = 0;
1348
1349                 while ($line = db_fetch_assoc($result)) {
1350                         $unread += getCategoryUnread($line["id"], $owner_uid);
1351                         $unread += getCategoryChildrenUnread($line["id"], $owner_uid);
1352                 }
1353
1354                 return $unread;
1355         }
1356
1357         function getCategoryUnread($cat, $owner_uid = false) {
1358
1359                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1360
1361                 if ($cat >= 0) {
1362
1363                         if ($cat != 0) {
1364                                 $cat_query = "cat_id = '$cat'";
1365                         } else {
1366                                 $cat_query = "cat_id IS NULL";
1367                         }
1368
1369                         $result = db_query("SELECT id FROM ttrss_feeds WHERE $cat_query
1370                                         AND owner_uid = " . $owner_uid);
1371
1372                         $cat_feeds = array();
1373                         while ($line = db_fetch_assoc($result)) {
1374                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
1375                         }
1376
1377                         if (count($cat_feeds) == 0) return 0;
1378
1379                         $match_part = implode(" OR ", $cat_feeds);
1380
1381                         $result = db_query("SELECT COUNT(int_id) AS unread
1382                                 FROM ttrss_user_entries
1383                                 WHERE   unread = true AND ($match_part)
1384                                 AND owner_uid = " . $owner_uid);
1385
1386                         $unread = 0;
1387
1388                         # this needs to be rewritten
1389                         while ($line = db_fetch_assoc($result)) {
1390                                 $unread += $line["unread"];
1391                         }
1392
1393                         return $unread;
1394                 } else if ($cat == -1) {
1395                         return getFeedUnread(-1) + getFeedUnread(-2) + getFeedUnread(-3) + getFeedUnread(0);
1396                 } else if ($cat == -2) {
1397
1398                         $result = db_query("
1399                                 SELECT COUNT(unread) AS unread FROM
1400                                         ttrss_user_entries, ttrss_user_labels2
1401                                 WHERE article_id = ref_id AND unread = true
1402                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
1403
1404                         $unread = db_fetch_result($result, 0, "unread");
1405
1406                         return $unread;
1407
1408                 }
1409         }
1410
1411         function getFeedUnread($feed, $is_cat = false) {
1412                 return getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1413         }
1414
1415         function getLabelUnread($label_id, $owner_uid = false) {
1416                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1417
1418                 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1419                         WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1420
1421                 if (db_num_rows($result) != 0) {
1422                         return db_fetch_result($result, 0, "unread");
1423                 } else {
1424                         return 0;
1425                 }
1426         }
1427
1428         function getFeedArticles($feed, $is_cat = false, $unread_only = false,
1429                 $owner_uid = false) {
1430
1431                 $n_feed = (int) $feed;
1432                 $need_entries = false;
1433
1434                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1435
1436                 if ($unread_only) {
1437                         $unread_qpart = "unread = true";
1438                 } else {
1439                         $unread_qpart = "true";
1440                 }
1441
1442                 if ($is_cat) {
1443                         return getCategoryUnread($n_feed, $owner_uid);
1444                 } else if ($n_feed == -6) {
1445                         return 0;
1446                 } else if ($feed != "0" && $n_feed == 0) {
1447
1448                         $feed = db_escape_string($feed);
1449
1450                         $result = db_query("SELECT SUM((SELECT COUNT(int_id)
1451                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1452                                         AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1453                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1454                         return db_fetch_result($result, 0, "count");
1455
1456                 } else if ($n_feed == -1) {
1457                         $match_part = "marked = true";
1458                 } else if ($n_feed == -2) {
1459                         $match_part = "published = true";
1460                 } else if ($n_feed == -3) {
1461                         $match_part = "unread = true AND score >= 0";
1462
1463                         $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1464
1465                         if (DB_TYPE == "pgsql") {
1466                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
1467                         } else {
1468                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1469                         }
1470
1471                         $need_entries = true;
1472
1473                 } else if ($n_feed == -4) {
1474                         $match_part = "true";
1475                 } else if ($n_feed >= 0) {
1476
1477                         if ($n_feed != 0) {
1478                                 $match_part = "feed_id = '$n_feed'";
1479                         } else {
1480                                 $match_part = "feed_id IS NULL";
1481                         }
1482
1483                 } else if ($feed < LABEL_BASE_INDEX) {
1484
1485                         $label_id = feed_to_label_id($feed);
1486
1487                         return getLabelUnread($label_id, $owner_uid);
1488
1489                 }
1490
1491                 if ($match_part) {
1492
1493                         if ($need_entries) {
1494                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
1495                                 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1496                         } else {
1497                                 $from_qpart = "ttrss_user_entries";
1498                                 $from_where = "";
1499                         }
1500
1501                         $query = "SELECT count(int_id) AS unread
1502                                 FROM $from_qpart WHERE
1503                                 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1504
1505                         //echo "[$feed/$query]\n";
1506
1507                         $result = db_query($query);
1508
1509                 } else {
1510
1511                         $result = db_query("SELECT COUNT(post_int_id) AS unread
1512                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1513                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1514                                 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1515                 }
1516
1517                 $unread = db_fetch_result($result, 0, "unread");
1518
1519                 return $unread;
1520         }
1521
1522         function getGlobalUnread($user_id = false) {
1523
1524                 if (!$user_id) {
1525                         $user_id = $_SESSION["uid"];
1526                 }
1527
1528                 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1529                         WHERE owner_uid = '$user_id' AND feed_id > 0");
1530
1531                 $c_id = db_fetch_result($result, 0, "c_id");
1532
1533                 return $c_id;
1534         }
1535
1536         function getGlobalCounters($global_unread = -1) {
1537                 $ret_arr = array();
1538
1539                 if ($global_unread == -1) {
1540                         $global_unread = getGlobalUnread();
1541                 }
1542
1543                 $cv = array("id" => "global-unread",
1544                         "counter" => (int) $global_unread);
1545
1546                 array_push($ret_arr, $cv);
1547
1548                 $result = db_query("SELECT COUNT(id) AS fn FROM
1549                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1550
1551                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1552
1553                 $cv = array("id" => "subscribed-feeds",
1554                         "counter" => (int) $subscribed_feeds);
1555
1556                 array_push($ret_arr, $cv);
1557
1558                 return $ret_arr;
1559         }
1560
1561         function getVirtCounters() {
1562
1563                 $ret_arr = array();
1564
1565                 for ($i = 0; $i >= -4; $i--) {
1566
1567                         $count = getFeedUnread($i);
1568
1569                         if ($i == 0 || $i == -1 || $i == -2)
1570                                 $auxctr = getFeedArticles($i, false);
1571                         else
1572                                 $auxctr = 0;
1573
1574                         $cv = array("id" => $i,
1575                                 "counter" => (int) $count,
1576                                 "auxcounter" => $auxctr);
1577
1578 //                      if (get_pref('EXTENDED_FEEDLIST'))
1579 //                              $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1580
1581                         array_push($ret_arr, $cv);
1582                 }
1583
1584                 $feeds = PluginHost::getInstance()->get_feeds(-1);
1585
1586                 if (is_array($feeds)) {
1587                         foreach ($feeds as $feed) {
1588                                 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1589                                         "counter" => $feed['sender']->get_unread($feed['id']));
1590
1591                                 if (method_exists($feed['sender'], 'get_total'))
1592                                         $cv["auxcounter"] = $feed['sender']->get_total($feed['id']);
1593
1594                                 array_push($ret_arr, $cv);
1595                         }
1596                 }
1597
1598                 return $ret_arr;
1599         }
1600
1601         function getLabelCounters($descriptions = false) {
1602
1603                 $ret_arr = array();
1604
1605                 $owner_uid = $_SESSION["uid"];
1606
1607                 $result = db_query("SELECT id,caption,SUM(CASE WHEN u1.unread = true THEN 1 ELSE 0 END) AS unread, COUNT(u1.unread) AS total
1608                         FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1609                                 (ttrss_labels2.id = label_id)
1610                                 LEFT JOIN ttrss_user_entries AS u1 ON u1.ref_id = article_id
1611                                 WHERE ttrss_labels2.owner_uid = $owner_uid AND u1.owner_uid = $owner_uid
1612                                 GROUP BY ttrss_labels2.id,
1613                                         ttrss_labels2.caption");
1614
1615                 while ($line = db_fetch_assoc($result)) {
1616
1617                         $id = label_to_feed_id($line["id"]);
1618
1619                         $cv = array("id" => $id,
1620                                 "counter" => (int) $line["unread"],
1621                                 "auxcounter" => (int) $line["total"]);
1622
1623                         if ($descriptions)
1624                                 $cv["description"] = $line["caption"];
1625
1626                         array_push($ret_arr, $cv);
1627                 }
1628
1629                 return $ret_arr;
1630         }
1631
1632         function getFeedCounters($active_feed = false) {
1633
1634                 $ret_arr = array();
1635
1636                 $query = "SELECT ttrss_feeds.id,
1637                                 ttrss_feeds.title,
1638                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1639                                 last_error, value AS count
1640                         FROM ttrss_feeds, ttrss_counters_cache
1641                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1642                                 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1643                                 AND ttrss_counters_cache.feed_id = id";
1644
1645                 $result = db_query($query);
1646
1647                 while ($line = db_fetch_assoc($result)) {
1648
1649                         $id = $line["id"];
1650                         $count = $line["count"];
1651                         $last_error = htmlspecialchars($line["last_error"]);
1652
1653                         $last_updated = make_local_datetime($line['last_updated'], false);
1654
1655                         $has_img = feed_has_icon($id);
1656
1657                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1658                                 $last_updated = '';
1659
1660                         $cv = array("id" => $id,
1661                                 "updated" => $last_updated,
1662                                 "counter" => (int) $count,
1663                                 "has_img" => (int) $has_img);
1664
1665                         if ($last_error)
1666                                 $cv["error"] = $last_error;
1667
1668 //                      if (get_pref('EXTENDED_FEEDLIST'))
1669 //                              $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1670
1671                         if ($active_feed && $id == $active_feed)
1672                                 $cv["title"] = truncate_string($line["title"], 30);
1673
1674                         array_push($ret_arr, $cv);
1675
1676                 }
1677
1678                 return $ret_arr;
1679         }
1680
1681         function get_pgsql_version() {
1682                 $result = db_query("SELECT version() AS version");
1683                 $version = explode(" ", db_fetch_result($result, 0, "version"));
1684                 return $version[1];
1685         }
1686
1687         /**
1688          * @return array (code => Status code, message => error message if available)
1689          *
1690          *                 0 - OK, Feed already exists
1691          *                 1 - OK, Feed added
1692          *                 2 - Invalid URL
1693          *                 3 - URL content is HTML, no feeds available
1694          *                 4 - URL content is HTML which contains multiple feeds.
1695          *                     Here you should call extractfeedurls in rpc-backend
1696          *                     to get all possible feeds.
1697          *                 5 - Couldn't download the URL content.
1698          *                 6 - Content is an invalid XML.
1699          */
1700         function subscribe_to_feed($url, $cat_id = 0,
1701                         $auth_login = '', $auth_pass = '') {
1702
1703                 global $fetch_last_error;
1704
1705                 require_once "include/rssfuncs.php";
1706
1707                 $url = fix_url($url);
1708
1709                 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1710
1711                 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1712
1713                 if (!$contents) {
1714                         return array("code" => 5, "message" => $fetch_last_error);
1715                 }
1716
1717                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SUBSCRIBE_FEED) as $plugin) {
1718                         $contents = $plugin->hook_subscribe_feed($contents, $url, $auth_login, $auth_pass);
1719                 }
1720
1721                 if (is_html($contents)) {
1722                         $feedUrls = get_feeds_from_html($url, $contents);
1723
1724                         if (count($feedUrls) == 0) {
1725                                 return array("code" => 3);
1726                         } else if (count($feedUrls) > 1) {
1727                                 return array("code" => 4, "feeds" => $feedUrls);
1728                         }
1729                         //use feed url as new URL
1730                         $url = key($feedUrls);
1731                 }
1732
1733                 if ($cat_id == "0" || !$cat_id) {
1734                         $cat_qpart = "NULL";
1735                 } else {
1736                         $cat_qpart = "'$cat_id'";
1737                 }
1738
1739                 $result = db_query(
1740                         "SELECT id FROM ttrss_feeds
1741                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1742
1743                 if (strlen(FEED_CRYPT_KEY) > 0) {
1744                         require_once "crypt.php";
1745                         $auth_pass = substr(encrypt_string($auth_pass), 0, 250);
1746                         $auth_pass_encrypted = 'true';
1747                 } else {
1748                         $auth_pass_encrypted = 'false';
1749                 }
1750
1751                 $auth_pass = db_escape_string($auth_pass);
1752
1753                 if (db_num_rows($result) == 0) {
1754                         $result = db_query(
1755                                 "INSERT INTO ttrss_feeds
1756                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1757                                 VALUES ('".$_SESSION["uid"]."', '$url',
1758                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0, $auth_pass_encrypted)");
1759
1760                         $result = db_query(
1761                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1762                                         AND owner_uid = " . $_SESSION["uid"]);
1763
1764                         $feed_id = db_fetch_result($result, 0, "id");
1765
1766                         if ($feed_id) {
1767                                 set_basic_feed_info($feed_id);
1768                         }
1769
1770                         return array("code" => 1);
1771                 } else {
1772                         return array("code" => 0);
1773                 }
1774         }
1775
1776         function print_feed_select($id, $default_id = "",
1777                 $attributes = "", $include_all_feeds = true,
1778                 $root_id = false, $nest_level = 0) {
1779
1780                 if (!$root_id) {
1781                         print "<select id=\"$id\" name=\"$id\" $attributes>";
1782                         if ($include_all_feeds) {
1783                                 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1784                                 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1785                         }
1786                 }
1787
1788                 if (get_pref('ENABLE_FEED_CATS')) {
1789
1790                         if ($root_id)
1791                                 $parent_qpart = "parent_cat = '$root_id'";
1792                         else
1793                                 $parent_qpart = "parent_cat IS NULL";
1794
1795                         $result = db_query("SELECT id,title,
1796                                 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1797                                         c2.parent_cat = ttrss_feed_categories.id) AS num_children
1798                                 FROM ttrss_feed_categories
1799                                 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1800
1801                         while ($line = db_fetch_assoc($result)) {
1802
1803                                 for ($i = 0; $i < $nest_level; $i++)
1804                                         $line["title"] = " - " . $line["title"];
1805
1806                                 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1807
1808                                 printf("<option $is_selected value='CAT:%d'>%s</option>",
1809                                         $line["id"], htmlspecialchars($line["title"]));
1810
1811                                 if ($line["num_children"] > 0)
1812                                         print_feed_select($id, $default_id, $attributes,
1813                                                 $include_all_feeds, $line["id"], $nest_level+1);
1814
1815                                 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1816                                         WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1817
1818                                 while ($fline = db_fetch_assoc($feed_result)) {
1819                                         $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1820
1821                                         $fline["title"] = " + " . $fline["title"];
1822
1823                                         for ($i = 0; $i < $nest_level; $i++)
1824                                                 $fline["title"] = " - " . $fline["title"];
1825
1826                                         printf("<option $is_selected value='%d'>%s</option>",
1827                                                 $fline["id"], htmlspecialchars($fline["title"]));
1828                                 }
1829                         }
1830
1831                         if (!$root_id) {
1832                                 $default_is_cat = ($default_id == "CAT:0");
1833                                 $is_selected = $default_is_cat ? "selected=\"1\"" : "";
1834
1835                                 printf("<option $is_selected value='CAT:0'>%s</option>",
1836                                         __("Uncategorized"));
1837
1838                                 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1839                                         WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1840
1841                                 while ($fline = db_fetch_assoc($feed_result)) {
1842                                         $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1843
1844                                         $fline["title"] = " + " . $fline["title"];
1845
1846                                         for ($i = 0; $i < $nest_level; $i++)
1847                                                 $fline["title"] = " - " . $fline["title"];
1848
1849                                         printf("<option $is_selected value='%d'>%s</option>",
1850                                                 $fline["id"], htmlspecialchars($fline["title"]));
1851                                 }
1852                         }
1853
1854                 } else {
1855                         $result = db_query("SELECT id,title FROM ttrss_feeds
1856                                 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1857
1858                         while ($line = db_fetch_assoc($result)) {
1859
1860                                 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1861
1862                                 printf("<option $is_selected value='%d'>%s</option>",
1863                                         $line["id"], htmlspecialchars($line["title"]));
1864                         }
1865                 }
1866
1867                 if (!$root_id) {
1868                         print "</select>";
1869                 }
1870         }
1871
1872         function print_feed_cat_select($id, $default_id,
1873                 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1874
1875                         if (!$root_id) {
1876                                         print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1877                         }
1878
1879                         if ($root_id)
1880                                 $parent_qpart = "parent_cat = '$root_id'";
1881                         else
1882                                 $parent_qpart = "parent_cat IS NULL";
1883
1884                         $result = db_query("SELECT id,title,
1885                                 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1886                                         c2.parent_cat = ttrss_feed_categories.id) AS num_children
1887                                 FROM ttrss_feed_categories
1888                                 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1889
1890                         while ($line = db_fetch_assoc($result)) {
1891                                 if ($line["id"] == $default_id) {
1892                                         $is_selected = "selected=\"1\"";
1893                                 } else {
1894                                         $is_selected = "";
1895                                 }
1896
1897                                 for ($i = 0; $i < $nest_level; $i++)
1898                                         $line["title"] = " - " . $line["title"];
1899
1900                                 if ($line["title"])
1901                                         printf("<option $is_selected value='%d'>%s</option>",
1902                                                 $line["id"], htmlspecialchars($line["title"]));
1903
1904                                 if ($line["num_children"] > 0)
1905                                         print_feed_cat_select($id, $default_id, $attributes,
1906                                                 $include_all_cats, $line["id"], $nest_level+1);
1907                         }
1908
1909                         if (!$root_id) {
1910                                 if ($include_all_cats) {
1911                                         if (db_num_rows($result) > 0) {
1912                                                 print "<option disabled=\"1\">--------</option>";
1913                                         }
1914
1915                                         if ($default_id == 0) {
1916                                                 $is_selected = "selected=\"1\"";
1917                                         } else {
1918                                                 $is_selected = "";
1919                                         }
1920
1921                                         print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1922                                 }
1923                                 print "</select>";
1924                         }
1925                 }
1926
1927         function checkbox_to_sql_bool($val) {
1928                 return ($val == "on") ? "true" : "false";
1929         }
1930
1931         function getFeedCatTitle($id) {
1932                 if ($id == -1) {
1933                         return __("Special");
1934                 } else if ($id < LABEL_BASE_INDEX) {
1935                         return __("Labels");
1936                 } else if ($id > 0) {
1937                         $result = db_query("SELECT ttrss_feed_categories.title
1938                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1939                                         cat_id = ttrss_feed_categories.id");
1940                         if (db_num_rows($result) == 1) {
1941                                 return db_fetch_result($result, 0, "title");
1942                         } else {
1943                                 return __("Uncategorized");
1944                         }
1945                 } else {
1946                         return "getFeedCatTitle($id) failed";
1947                 }
1948
1949         }
1950
1951         function getFeedIcon($id) {
1952                 switch ($id) {
1953                 case 0:
1954                         return "images/archive.png";
1955                         break;
1956                 case -1:
1957                         return "images/star.png";
1958                         break;
1959                 case -2:
1960                         return "images/feed.png";
1961                         break;
1962                 case -3:
1963                         return "images/fresh.png";
1964                         break;
1965                 case -4:
1966                         return "images/folder.png";
1967                         break;
1968                 case -6:
1969                         return "images/time.png";
1970                         break;
1971                 default:
1972                         if ($id < LABEL_BASE_INDEX) {
1973                                 return "images/label.png";
1974                         } else {
1975                                 if (file_exists(ICONS_DIR . "/$id.ico"))
1976                                         return ICONS_URL . "/$id.ico";
1977                         }
1978                         break;
1979                 }
1980
1981                 return false;
1982         }
1983
1984         function getFeedTitle($id, $cat = false) {
1985                 if ($cat) {
1986                         return getCategoryTitle($id);
1987                 } else if ($id == -1) {
1988                         return __("Starred articles");
1989                 } else if ($id == -2) {
1990                         return __("Published articles");
1991                 } else if ($id == -3) {
1992                         return __("Fresh articles");
1993                 } else if ($id == -4) {
1994                         return __("All articles");
1995                 } else if ($id === 0 || $id === "0") {
1996                         return __("Archived articles");
1997                 } else if ($id == -6) {
1998                         return __("Recently read");
1999                 } else if ($id < LABEL_BASE_INDEX) {
2000                         $label_id = feed_to_label_id($id);
2001                         $result = db_query("SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
2002                         if (db_num_rows($result) == 1) {
2003                                 return db_fetch_result($result, 0, "caption");
2004                         } else {
2005                                 return "Unknown label ($label_id)";
2006                         }
2007
2008                 } else if (is_numeric($id) && $id > 0) {
2009                         $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$id'");
2010                         if (db_num_rows($result) == 1) {
2011                                 return db_fetch_result($result, 0, "title");
2012                         } else {
2013                                 return "Unknown feed ($id)";
2014                         }
2015                 } else {
2016                         return $id;
2017                 }
2018         }
2019
2020         function uniqid_short() {
2021                 return uniqid(base_convert(rand(), 10, 36));
2022         }
2023
2024         // TODO: less dumb splitting
2025         require_once "functions2.php";
2026
2027 ?>