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