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         // separate test because this is included before sanity checks
  20         if (function_exists("mb_internal_encoding")) mb_internal_encoding("UTF-8");
  21
  22         date_default_timezone_set('UTC');
  23         if (defined('E_DEPRECATED')) {
  24                 error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED);
  25         } else {
  26                 error_reporting(E_ALL & ~E_NOTICE);
  27         }
  28
  29         require_once 'config.php';
  30
  31         /**
  32          * Define a constant if not already defined
  33          *
  34          * @param string $name The constant name.
  35          * @param mixed $value The constant value.
  36          * @access public
  37          * @return boolean True if defined successfully or not.
  38          */
  39         function define_default($name, $value) {
  40                 defined($name) or define($name, $value);
  41         }
  42
  43         ///// Some defaults that you can override in config.php //////
  44
  45         define_default('FEED_FETCH_TIMEOUT', 45);
  46         // How may seconds to wait for response when requesting feed from a site
  47         define_default('FEED_FETCH_NO_CACHE_TIMEOUT', 15);
  48         // How may seconds to wait for response when requesting feed from a
  49         // site when that feed wasn't cached before
  50         define_default('FILE_FETCH_TIMEOUT', 45);
  51         // Default timeout when fetching files from remote sites
  52         define_default('FILE_FETCH_CONNECT_TIMEOUT', 15);
  53         // How many seconds to wait for initial response from website when
  54         // fetching files from remote sites
  55
  56         if (DB_TYPE == "pgsql") {
  57                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  58         } else {
  59                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  60         }
  61
  62         /**
  63          * Return available translations names.
  64          *
  65          * @access public
  66          * @return array A array of available translations.
  67          */
  68         function get_translations() {
  69                 $tr = array(
  70                                         "auto"  => "Detect automatically",
  71                                         "ar_SA" => "العربيّة (Arabic)",
  72                                         "bg_BG" => "Bulgarian",
  73                                         "da_DA" => "Dansk",
  74                                         "ca_CA" => "Català",
  75                                         "cs_CZ" => "Česky",
  76                                         "en_US" => "English",
  77                                         "el_GR" => "Ελληνικά",
  78                                         "es_ES" => "Español (España)",
  79                                         "es_LA" => "Español",
  80                                         "de_DE" => "Deutsch",
  81                                         "fr_FR" => "Français",
  82                                         "hu_HU" => "Magyar (Hungarian)",
  83                                         "it_IT" => "Italiano",
  84                                         "ja_JP" => "日本語 (Japanese)",
  85                                         "lv_LV" => "Latviešu",
  86                                         "nb_NO" => "Norwegian bokmål",
  87                                         "nl_NL" => "Dutch",
  88                                         "pl_PL" => "Polski",
  89                                         "ru_RU" => "Русский",
  90                                         "pt_BR" => "Portuguese/Brazil",
  91                                         "pt_PT" => "Portuguese/Portugal",
  92                                         "zh_CN" => "Simplified Chinese",
  93                                         "zh_TW" => "Traditional Chinese",
  94                                         "sv_SE" => "Svenska",
  95                                         "fi_FI" => "Suomi",
  96                                         "tr_TR" => "Türkçe");
  97
  98                 return $tr;
  99         }
 100
 101         require_once "lib/accept-to-gettext.php";
 102         require_once "lib/gettext/gettext.inc";
 103
 104         function startup_gettext() {
 105
 106                 # Get locale from Accept-Language header
 107                 $lang = al2gt(array_keys(get_translations()), "text/html");
 108
 109                 if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
 110                         $lang = _TRANSLATION_OVERRIDE_DEFAULT;
 111                 }
 112
 113                 if ($_SESSION["uid"] && get_schema_version() >= 120) {
 114                         $pref_lang = get_pref("USER_LANGUAGE", $_SESSION["uid"]);
 115
 116                         if ($pref_lang && $pref_lang != 'auto') {
 117                                 $lang = $pref_lang;
 118                         }
 119                 }
 120
 121                 if ($lang) {
 122                         if (defined('LC_MESSAGES')) {
 123                                 _setlocale(LC_MESSAGES, $lang);
 124                         } else if (defined('LC_ALL')) {
 125                                 _setlocale(LC_ALL, $lang);
 126                         }
 127
 128                         _bindtextdomain("messages", "locale");
 129
 130                         _textdomain("messages");
 131                         _bind_textdomain_codeset("messages", "UTF-8");
 132                 }
 133         }
 134
 135         require_once 'db-prefs.php';
 136         require_once 'version.php';
 137         require_once 'ccache.php';
 138         require_once 'labels.php';
 139         require_once 'controls.php';
 140
 141         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
 142         ini_set('user_agent', SELF_USER_AGENT);
 143
 144         require_once 'lib/pubsubhubbub/Publisher.php';
 145
 146         $schema_version = false;
 147
 148         function _debug_suppress($suppress) {
 149                 global $suppress_debugging;
 150
 151                 $suppress_debugging = $suppress;
 152         }
 153
 154         /**
 155          * Print a timestamped debug message.
 156          *
 157          * @param string $msg The debug message.
 158          * @return void
 159          */
 160         function _debug($msg, $show = true) {
 161                 global $suppress_debugging;
 162
 163                 //echo "[$suppress_debugging] $msg $show\n";
 164
 165                 if ($suppress_debugging) return false;
 166
 167                 $ts = strftime("%H:%M:%S", time());
 168                 if (function_exists('posix_getpid')) {
 169                         $ts = "$ts/" . posix_getpid();
 170                 }
 171
 172                 if ($show && !(defined('QUIET') && QUIET)) {
 173                         print "[$ts] $msg\n";
 174                 }
 175
 176                 if (defined('LOGFILE'))  {
 177                         $fp = fopen(LOGFILE, 'a+');
 178
 179                         if ($fp) {
 180                                 $locked = false;
 181
 182                                 if (function_exists("flock")) {
 183                                         $tries = 0;
 184
 185                                         // try to lock logfile for writing
 186                                         while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB)) {
 187                                                 sleep(1);
 188                                                 ++$tries;
 189                                         }
 190
 191                                         if (!$locked) {
 192                                                 fclose($fp);
 193                                                 return;
 194                                         }
 195                                 }
 196
 197                                 fputs($fp, "[$ts] $msg\n");
 198
 199                                 if (function_exists("flock")) {
 200                                         flock($fp, LOCK_UN);
 201                                 }
 202
 203                                 fclose($fp);
 204                         }
 205                 }
 206
 207         } // function _debug
 208
 209         /**
 210          * Purge a feed old posts.
 211          *
 212          * @param mixed $link A database connection.
 213          * @param mixed $feed_id The id of the purged feed.
 214          * @param mixed $purge_interval Olderness of purged posts.
 215          * @param boolean $debug Set to True to enable the debug. False by default.
 216          * @access public
 217          * @return void
 218          */
 219         function purge_feed($feed_id, $purge_interval, $debug = false) {
 220
 221                 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
 222
 223                 $rows = -1;
 224
 225                 $result = db_query(
 226                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 227
 228                 $owner_uid = false;
 229
 230                 if (db_num_rows($result) == 1) {
 231                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 232                 }
 233
 234                 if ($purge_interval == -1 || !$purge_interval) {
 235                         if ($owner_uid) {
 236                                 ccache_update($feed_id, $owner_uid);
 237                         }
 238                         return;
 239                 }
 240
 241                 if (!$owner_uid) return;
 242
 243                 if (FORCE_ARTICLE_PURGE == 0) {
 244                         $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
 245                                 $owner_uid, false);
 246                 } else {
 247                         $purge_unread = true;
 248                         $purge_interval = FORCE_ARTICLE_PURGE;
 249                 }
 250
 251                 if (!$purge_unread) $query_limit = " unread = false AND ";
 252
 253                 if (DB_TYPE == "pgsql") {
 254                         $result = db_query("DELETE FROM ttrss_user_entries
 255                                 USING ttrss_entries
 256                                 WHERE ttrss_entries.id = ref_id AND
 257                                 marked = false AND
 258                                 feed_id = '$feed_id' AND
 259                                 $query_limit
 260                                 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 261
 262                 } else {
 263
 264 /*                      $result = db_query("DELETE FROM ttrss_user_entries WHERE
 265                                 marked = false AND feed_id = '$feed_id' AND
 266                                 (SELECT date_updated FROM ttrss_entries WHERE
 267                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 268
 269                         $result = db_query("DELETE FROM ttrss_user_entries
 270                                 USING ttrss_user_entries, ttrss_entries
 271                                 WHERE ttrss_entries.id = ref_id AND
 272                                 marked = false AND
 273                                 feed_id = '$feed_id' AND
 274                                 $query_limit
 275                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 276                 }
 277
 278                 $rows = db_affected_rows($result);
 279
 280                 ccache_update($feed_id, $owner_uid);
 281
 282                 if ($debug) {
 283                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 284                 }
 285
 286                 return $rows;
 287         } // function purge_feed
 288
 289         function feed_purge_interval($feed_id) {
 290
 291                 $result = db_query("SELECT purge_interval, owner_uid FROM ttrss_feeds
 292                         WHERE id = '$feed_id'");
 293
 294                 if (db_num_rows($result) == 1) {
 295                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 296                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 297
 298                         if ($purge_interval == 0) $purge_interval = get_pref(
 299                                 'PURGE_OLD_DAYS', $owner_uid);
 300
 301                         return $purge_interval;
 302
 303                 } else {
 304                         return -1;
 305                 }
 306         }
 307
 308         function purge_orphans($do_output = false) {
 309
 310                 // purge orphaned posts in main content table
 311                 $result = db_query("DELETE FROM ttrss_entries WHERE
 312                         NOT EXISTS (SELECT ref_id FROM ttrss_user_entries WHERE ref_id = id)");
 313
 314                 if ($do_output) {
 315                         $rows = db_affected_rows($result);
 316                         _debug("Purged $rows orphaned posts.");
 317                 }
 318         }
 319
 320         function get_feed_update_interval($feed_id) {
 321                 $result = db_query("SELECT owner_uid, update_interval FROM
 322                         ttrss_feeds WHERE id = '$feed_id'");
 323
 324                 if (db_num_rows($result) == 1) {
 325                         $update_interval = db_fetch_result($result, 0, "update_interval");
 326                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 327
 328                         if ($update_interval != 0) {
 329                                 return $update_interval;
 330                         } else {
 331                                 return get_pref('DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 332                         }
 333
 334                 } else {
 335                         return -1;
 336                 }
 337         }
 338
 339         // TODO: multiple-argument way is deprecated, first parameter is a hash now
 340         function fetch_file_contents($options /* previously: 0: $url , 1: $type = false, 2: $login = false, 3: $pass = false,
 341                                 4: $post_query = false, 5: $timeout = false, 6: $timestamp = 0, 7: $useragent = false*/) {
 342
 343                 global $fetch_last_error;
 344                 global $fetch_last_error_code;
 345                 global $fetch_last_error_content;
 346                 global $fetch_last_content_type;
 347                 global $fetch_curl_used;
 348
 349                 $fetch_last_error = false;
 350                 $fetch_last_error_code = -1;
 351                 $fetch_last_error_content = "";
 352                 $fetch_last_content_type = "";
 353                 $fetch_curl_used = false;
 354
 355                 if (!is_array($options)) {
 356
 357                         // falling back on compatibility shim
 358                         $option_names = [ "url", "type", "login", "pass", "post_query", "timeout", "timestamp", "useragent" ];
 359                         $tmp = [];
 360
 361                         for ($i = 0; $i < func_num_args(); $i++) {
 362                                 $tmp[$option_names[$i]] = func_get_arg($i);
 363                         }
 364
 365                         $options = $tmp;
 366
 367                         /*$options = array(
 368                                         "url" => func_get_arg(0),
 369                                         "type" => @func_get_arg(1),
 370                                         "login" => @func_get_arg(2),
 371                                         "pass" => @func_get_arg(3),
 372                                         "post_query" => @func_get_arg(4),
 373                                         "timeout" => @func_get_arg(5),
 374                                         "timestamp" => @func_get_arg(6),
 375                                         "useragent" => @func_get_arg(7)
 376                         ); */
 377                 }
 378
 379                 $url = $options["url"];
 380                 $type = isset($options["type"]) ? $options["type"] : false;
 381                 $login = isset($options["login"]) ? $options["login"] : false;
 382                 $pass = isset($options["pass"]) ? $options["pass"] : false;
 383                 $post_query = isset($options["post_query"]) ? $options["post_query"] : false;
 384                 $timeout = isset($options["timeout"]) ? $options["timeout"] : false;
 385                 $timestamp = isset($options["timestamp"]) ? $options["timestamp"] : 0;
 386                 $useragent = isset($options["useragent"]) ? $options["useragent"] : false;
 387                 $followlocation = isset($options["followlocation"]) ? $options["followlocation"] : true;
 388
 389                 $url = ltrim($url, ' ');
 390                 $url = str_replace(' ', '%20', $url);
 391
 392                 if (strpos($url, "//") === 0)
 393                         $url = 'http:' . $url;
 394
 395                 if (!defined('NO_CURL') && function_exists('curl_init') && !ini_get("open_basedir")) {
 396
 397                         $fetch_curl_used = true;
 398
 399                         $ch = curl_init($url);
 400
 401                         if ($timestamp && !$post_query) {
 402                                 curl_setopt($ch, CURLOPT_HTTPHEADER,
 403                                         array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
 404                         }
 405
 406                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
 407                         curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
 408                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("open_basedir") && $followlocation);
 409                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 410                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 411                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 412                         curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
 413                         curl_setopt($ch, CURLOPT_USERAGENT, $useragent ? $useragent :
 414                                 SELF_USER_AGENT);
 415                         curl_setopt($ch, CURLOPT_ENCODING, "");
 416                         //curl_setopt($ch, CURLOPT_REFERER, $url);
 417
 418                         if (!ini_get("open_basedir")) {
 419                                 curl_setopt($ch, CURLOPT_COOKIEJAR, "/dev/null");
 420                         }
 421
 422                         if (defined('_CURL_HTTP_PROXY')) {
 423                                 curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);
 424                         }
 425
 426                         if ($post_query) {
 427                                 curl_setopt($ch, CURLOPT_POST, true);
 428                                 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
 429                         }
 430
 431                         if ($login && $pass)
 432                                 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
 433
 434                         $contents = @curl_exec($ch);
 435
 436                         if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
 437                                 curl_setopt($ch, CURLOPT_ENCODING, 'none');
 438                                 $contents = @curl_exec($ch);
 439                         }
 440
 441                         if ($contents === false) {
 442                                 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
 443                                 curl_close($ch);
 444                                 return false;
 445                         }
 446
 447                         $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 448                         $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 449
 450                         $fetch_last_error_code = $http_code;
 451
 452                         if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
 453                                 if (curl_errno($ch) != 0) {
 454                                         $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
 455                                 } else {
 456                                         $fetch_last_error = "HTTP Code: $http_code";
 457                                 }
 458                                 $fetch_last_error_content = $contents;
 459                                 curl_close($ch);
 460                                 return false;
 461                         }
 462
 463                         curl_close($ch);
 464
 465                         return $contents;
 466                 } else {
 467
 468                         $fetch_curl_used = false;
 469
 470                         if ($login && $pass){
 471                                 $url_parts = array();
 472
 473                                 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
 474
 475                                 $pass = urlencode($pass);
 476
 477                                 if ($url_parts[1] && $url_parts[2]) {
 478                                         $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
 479                                 }
 480                         }
 481
 482                         // TODO: should this support POST requests or not? idk
 483
 484                         if (!$post_query && $timestamp) {
 485                                  $context = stream_context_create(array(
 486                                           'http' => array(
 487                                                         'method' => 'GET',
 488                                                     'ignore_errors' => true,
 489                                                     'timeout' => $timeout ? $timeout : FILE_FETCH_TIMEOUT,
 490                                                         'protocol_version'=> 1.1,
 491                                                         'header' => "If-Modified-Since: ".gmdate("D, d M Y H:i:s \\G\\M\\T\r\n", $timestamp)
 492                                           )));
 493                         } else {
 494                                  $context = stream_context_create(array(
 495                                           'http' => array(
 496                                                         'method' => 'GET',
 497                                                     'ignore_errors' => true,
 498                                                     'timeout' => $timeout ? $timeout : FILE_FETCH_TIMEOUT,
 499                                                         'protocol_version'=> 1.1
 500                                           )));
 501                         }
 502
 503                         $old_error = error_get_last();
 504
 505                         $data = @file_get_contents($url, false, $context);
 506
 507                         if (isset($http_response_header) && is_array($http_response_header)) {
 508                                 foreach ($http_response_header as $h) {
 509                                         if (substr(strtolower($h), 0, 13) == 'content-type:') {
 510                                                 $fetch_last_content_type = substr($h, 14);
 511                                                 // don't abort here b/c there might be more than one
 512                                                 // e.g. if we were being redirected -- last one is the right one
 513                                         }
 514
 515                                         if (substr(strtolower($h), 0, 7) == 'http/1.') {
 516                                                 $fetch_last_error_code = (int) substr($h, 9, 3);
 517                                         }
 518                                 }
 519                         }
 520
 521                         if ($fetch_last_error_code != 200) {
 522                                 $error = error_get_last();
 523
 524                                 if ($error['message'] != $old_error['message']) {
 525                                         $fetch_last_error = $error["message"];
 526                                 } else {
 527                                         $fetch_last_error = "HTTP Code: $fetch_last_error_code";
 528                                 }
 529
 530                                 $fetch_last_error_content = $data;
 531
 532                                 return false;
 533                         }
 534                         return $data;
 535                 }
 536
 537         }
 538
 539         /**
 540          * Try to determine the favicon URL for a feed.
 541          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 542          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 543          *
 544          * @param string $url A feed or page URL
 545          * @access public
 546          * @return mixed The favicon URL, or false if none was found.
 547          */
 548         function get_favicon_url($url) {
 549
 550                 $favicon_url = false;
 551
 552                 if ($html = @fetch_file_contents($url)) {
 553
 554                         libxml_use_internal_errors(true);
 555
 556                         $doc = new DOMDocument();
 557                         $doc->loadHTML($html);
 558                         $xpath = new DOMXPath($doc);
 559
 560                         $base = $xpath->query('/html/head/base');
 561                         foreach ($base as $b) {
 562                                 $url = $b->getAttribute("href");
 563                                 break;
 564                         }
 565
 566                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
 567                         if (count($entries) > 0) {
 568                                 foreach ($entries as $entry) {
 569                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 570                                         break;
 571                                 }
 572                         }
 573                 }
 574
 575                 if (!$favicon_url)
 576                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 577
 578                 return $favicon_url;
 579         } // function get_favicon_url
 580
 581         function check_feed_favicon($site_url, $feed) {
 582 #               print "FAVICON [$site_url]: $favicon_url\n";
 583
 584                 $icon_file = ICONS_DIR . "/$feed.ico";
 585
 586                 if (!file_exists($icon_file)) {
 587                         $favicon_url = get_favicon_url($site_url);
 588
 589                         if ($favicon_url) {
 590                                 // Limiting to "image" type misses those served with text/plain
 591                                 $contents = fetch_file_contents($favicon_url); // , "image");
 592
 593                                 if ($contents) {
 594                                         // Crude image type matching.
 595                                         // Patterns gleaned from the file(1) source code.
 596                                         if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
 597                                                 // 0       string  \000\000\001\000        MS Windows icon resource
 598                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
 599                                         }
 600                                         elseif (preg_match('/^GIF8/', $contents)) {
 601                                                 // 0       string          GIF8            GIF image data
 602                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
 603                                         }
 604                                         elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
 605                                                 // 0       string          \x89PNG\x0d\x0a\x1a\x0a         PNG image data
 606                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
 607                                         }
 608                                         elseif (preg_match('/^\xff\xd8/', $contents)) {
 609                                                 // 0       beshort         0xffd8          JPEG image data
 610                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
 611                                         }
 612                                         else {
 613                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
 614                                                 $contents = "";
 615                                         }
 616                                 }
 617
 618                                 if ($contents) {
 619                                         $fp = @fopen($icon_file, "w");
 620
 621                                         if ($fp) {
 622                                                 fwrite($fp, $contents);
 623                                                 fclose($fp);
 624                                                 chmod($icon_file, 0644);
 625                                         }
 626                                 }
 627                         }
 628             return $icon_file;
 629                 }
 630         }
 631
 632         function initialize_user_prefs($uid, $profile = false) {
 633
 634                 $uid = db_escape_string($uid);
 635
 636                 if (!$profile) {
 637                         $profile = "NULL";
 638                         $profile_qpart = "AND profile IS NULL";
 639                 } else {
 640                         $profile_qpart = "AND profile = '$profile'";
 641                 }
 642
 643                 if (get_schema_version() < 63) $profile_qpart = "";
 644
 645                 db_query("BEGIN");
 646
 647                 $result = db_query("SELECT pref_name,def_value FROM ttrss_prefs");
 648
 649                 $u_result = db_query("SELECT pref_name
 650                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
 651
 652                 $active_prefs = array();
 653
 654                 while ($line = db_fetch_assoc($u_result)) {
 655                         array_push($active_prefs, $line["pref_name"]);
 656                 }
 657
 658                 while ($line = db_fetch_assoc($result)) {
 659                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
 660 //                              print "adding " . $line["pref_name"] . "<br>";
 661
 662                                 $line["def_value"] = db_escape_string($line["def_value"]);
 663                                 $line["pref_name"] = db_escape_string($line["pref_name"]);
 664
 665                                 if (get_schema_version() < 63) {
 666                                         db_query("INSERT INTO ttrss_user_prefs
 667                                                 (owner_uid,pref_name,value) VALUES
 668                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
 669
 670                                 } else {
 671                                         db_query("INSERT INTO ttrss_user_prefs
 672                                                 (owner_uid,pref_name,value, profile) VALUES
 673                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
 674                                 }
 675
 676                         }
 677                 }
 678
 679                 db_query("COMMIT");
 680
 681         }
 682
 683         function get_ssl_certificate_id() {
 684                 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
 685                         return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
 686                                 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
 687                                 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
 688                                 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
 689                 }
 690                 if ($_SERVER["SSL_CLIENT_M_SERIAL"]) {
 691                         return sha1($_SERVER["SSL_CLIENT_M_SERIAL"] .
 692                                 $_SERVER["SSL_CLIENT_V_START"] .
 693                                 $_SERVER["SSL_CLIENT_V_END"] .
 694                                 $_SERVER["SSL_CLIENT_S_DN"]);
 695                 }
 696                 return "";
 697         }
 698
 699         function authenticate_user($login, $password, $check_only = false) {
 700
 701                 if (!SINGLE_USER_MODE) {
 702                         $user_id = false;
 703
 704                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
 705
 706                                 $user_id = (int) $plugin->authenticate($login, $password);
 707
 708                                 if ($user_id) {
 709                                         $_SESSION["auth_module"] = strtolower(get_class($plugin));
 710                                         break;
 711                                 }
 712                         }
 713
 714                         if ($user_id && !$check_only) {
 715                                 @session_start();
 716
 717                                 $_SESSION["uid"] = $user_id;
 718                                 $_SESSION["version"] = VERSION_STATIC;
 719
 720                                 $result = db_query("SELECT login,access_level,pwd_hash FROM ttrss_users
 721                                         WHERE id = '$user_id'");
 722
 723                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
 724                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
 725                                 $_SESSION["csrf_token"] = uniqid_short();
 726
 727                                 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 728                                         $_SESSION["uid"]);
 729
 730                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 731                                 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
 732                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
 733
 734                                 $_SESSION["last_version_check"] = time();
 735
 736                                 initialize_user_prefs($_SESSION["uid"]);
 737
 738                                 return true;
 739                         }
 740
 741                         return false;
 742
 743                 } else {
 744
 745                         $_SESSION["uid"] = 1;
 746                         $_SESSION["name"] = "admin";
 747                         $_SESSION["access_level"] = 10;
 748
 749                         $_SESSION["hide_hello"] = true;
 750                         $_SESSION["hide_logout"] = true;
 751
 752                         $_SESSION["auth_module"] = false;
 753
 754                         if (!$_SESSION["csrf_token"]) {
 755                                 $_SESSION["csrf_token"] = uniqid_short();
 756                         }
 757
 758                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 759
 760                         initialize_user_prefs($_SESSION["uid"]);
 761
 762                         return true;
 763                 }
 764         }
 765
 766         function make_password($length = 8) {
 767
 768                 $password = "";
 769                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
 770
 771         $i = 0;
 772
 773                 while ($i < $length) {
 774                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
 775
 776                         if (!strstr($password, $char)) {
 777                                 $password .= $char;
 778                                 $i++;
 779                         }
 780                 }
 781                 return $password;
 782         }
 783
 784         // this is called after user is created to initialize default feeds, labels
 785         // or whatever else
 786
 787         // user preferences are checked on every login, not here
 788
 789         function initialize_user($uid) {
 790
 791                 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
 792                         values ('$uid', 'Tiny Tiny RSS: Forum',
 793                                 'http://tt-rss.org/forum/rss.php')");
 794         }
 795
 796         function logout_user() {
 797                 session_destroy();
 798                 if (isset($_COOKIE[session_name()])) {
 799                    setcookie(session_name(), '', time()-42000, '/');
 800                 }
 801         }
 802
 803         function validate_csrf($csrf_token) {
 804                 return $csrf_token == $_SESSION['csrf_token'];
 805         }
 806
 807         function load_user_plugins($owner_uid, $pluginhost = false) {
 808
 809                 if (!$pluginhost) $pluginhost = PluginHost::getInstance();
 810
 811                 if ($owner_uid && SCHEMA_VERSION >= 100) {
 812                         $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
 813
 814                         $pluginhost->load($plugins, PluginHost::KIND_USER, $owner_uid);
 815
 816                         if (get_schema_version() > 100) {
 817                                 $pluginhost->load_data();
 818                         }
 819                 }
 820         }
 821
 822         function login_sequence() {
 823                 if (SINGLE_USER_MODE) {
 824                         @session_start();
 825                         authenticate_user("admin", null);
 826                         startup_gettext();
 827                         load_user_plugins($_SESSION["uid"]);
 828                 } else {
 829                         if (!validate_session()) $_SESSION["uid"] = false;
 830
 831                         if (!$_SESSION["uid"]) {
 832
 833                                 if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) {
 834                                     $_SESSION["ref_schema_version"] = get_schema_version(true);
 835                                 } else {
 836                                          authenticate_user(null, null, true);
 837                                 }
 838
 839                                 if (!$_SESSION["uid"]) {
 840                                         @session_destroy();
 841                                         setcookie(session_name(), '', time()-42000, '/');
 842
 843                                         render_login_form();
 844                                         exit;
 845                                 }
 846
 847                         } else {
 848                                 /* bump login timestamp */
 849                                 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 850                                         $_SESSION["uid"]);
 851                                 $_SESSION["last_login_update"] = time();
 852                         }
 853
 854                         if ($_SESSION["uid"]) {
 855                                 startup_gettext();
 856                                 load_user_plugins($_SESSION["uid"]);
 857
 858                                 /* cleanup ccache */
 859
 860                                 db_query("DELETE FROM ttrss_counters_cache WHERE owner_uid = ".
 861                                         $_SESSION["uid"] . " AND
 862                                                 (SELECT COUNT(id) FROM ttrss_feeds WHERE
 863                                                         ttrss_feeds.id = feed_id) = 0");
 864
 865                                 db_query("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ".
 866                                         $_SESSION["uid"] . " AND
 867                                                 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
 868                                                         ttrss_feed_categories.id = feed_id) = 0");
 869
 870                         }
 871
 872                 }
 873         }
 874
 875         function truncate_string($str, $max_len, $suffix = '&hellip;') {
 876                 if (mb_strlen($str, "utf-8") > $max_len) {
 877                         return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
 878                 } else {
 879                         return $str;
 880                 }
 881         }
 882
 883         // is not utf8 clean
 884         function truncate_middle($str, $max_len, $suffix = '&hellip;') {
 885                 if (strlen($str) > $max_len) {
 886                         return substr_replace($str, $suffix, $max_len / 2, mb_strlen($str) - $max_len);
 887                 } else {
 888                         return $str;
 889                 }
 890         }
 891
 892         function convert_timestamp($timestamp, $source_tz, $dest_tz) {
 893
 894                 try {
 895                         $source_tz = new DateTimeZone($source_tz);
 896                 } catch (Exception $e) {
 897                         $source_tz = new DateTimeZone('UTC');
 898                 }
 899
 900                 try {
 901                         $dest_tz = new DateTimeZone($dest_tz);
 902                 } catch (Exception $e) {
 903                         $dest_tz = new DateTimeZone('UTC');
 904                 }
 905
 906                 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
 907                 return $dt->format('U') + $dest_tz->getOffset($dt);
 908         }
 909
 910         function make_local_datetime($timestamp, $long, $owner_uid = false,
 911                                         $no_smart_dt = false, $eta_min = false) {
 912
 913                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
 914                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
 915
 916                 global $utc_tz;
 917                 global $user_tz;
 918
 919                 if (!$utc_tz) $utc_tz = new DateTimeZone('UTC');
 920
 921                 $timestamp = substr($timestamp, 0, 19);
 922
 923                 # We store date in UTC internally
 924                 $dt = new DateTime($timestamp, $utc_tz);
 925
 926                 $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
 927
 928                 if ($user_tz_string != 'Automatic') {
 929
 930                         try {
 931                                 if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string);
 932                         } catch (Exception $e) {
 933                                 $user_tz = $utc_tz;
 934                         }
 935
 936                         $tz_offset = $user_tz->getOffset($dt);
 937                 } else {
 938                         $tz_offset = (int) -$_SESSION["clientTzOffset"];
 939                 }
 940
 941                 $user_timestamp = $dt->format('U') + $tz_offset;
 942
 943                 if (!$no_smart_dt) {
 944                         return smart_date_time($user_timestamp,
 945                                 $tz_offset, $owner_uid, $eta_min);
 946                 } else {
 947                         if ($long)
 948                                 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
 949                         else
 950                                 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
 951
 952                         return date($format, $user_timestamp);
 953                 }
 954         }
 955
 956         function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false, $eta_min = false) {
 957                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
 958
 959                 if ($eta_min && time() + $tz_offset - $timestamp < 3600) {
 960                         return T_sprintf("%d min", date("i", time() + $tz_offset - $timestamp));
 961                 } else if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
 962                         return date("G:i", $timestamp);
 963                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
 964                         $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
 965                         return date($format, $timestamp);
 966                 } else {
 967                         $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
 968                         return date($format, $timestamp);
 969                 }
 970         }
 971
 972         function sql_bool_to_bool($s) {
 973                 if ($s == "t" || $s == "1" || strtolower($s) == "true") {
 974                         return true;
 975                 } else {
 976                         return false;
 977                 }
 978         }
 979
 980         function bool_to_sql_bool($s) {
 981                 if ($s) {
 982                         return "true";
 983                 } else {
 984                         return "false";
 985                 }
 986         }
 987
 988         // Session caching removed due to causing wrong redirects to upgrade
 989         // script when get_schema_version() is called on an obsolete session
 990         // created on a previous schema version.
 991         function get_schema_version($nocache = false) {
 992                 global $schema_version;
 993
 994                 if (!$schema_version && !$nocache) {
 995                         $result = db_query("SELECT schema_version FROM ttrss_version");
 996                         $version = db_fetch_result($result, 0, "schema_version");
 997                         $schema_version = $version;
 998                         return $version;
 999                 } else {
1000                         return $schema_version;
1001                 }
1002         }
1003
1004         function sanity_check() {
1005                 require_once 'errors.php';
1006                 global $ERRORS;
1007
1008                 $error_code = 0;
1009                 $schema_version = get_schema_version(true);
1010
1011                 if ($schema_version != SCHEMA_VERSION) {
1012                         $error_code = 5;
1013                 }
1014
1015                 if (DB_TYPE == "mysql") {
1016                         $result = db_query("SELECT true", false);
1017                         if (db_num_rows($result) != 1) {
1018                                 $error_code = 10;
1019                         }
1020                 }
1021
1022                 if (db_escape_string("testTEST") != "testTEST") {
1023                         $error_code = 12;
1024                 }
1025
1026                 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
1027         }
1028
1029         function file_is_locked($filename) {
1030                 if (file_exists(LOCK_DIRECTORY . "/$filename")) {
1031                         if (function_exists('flock')) {
1032                                 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
1033                                 if ($fp) {
1034                                         if (flock($fp, LOCK_EX | LOCK_NB)) {
1035                                                 flock($fp, LOCK_UN);
1036                                                 fclose($fp);
1037                                                 return false;
1038                                         }
1039                                         fclose($fp);
1040                                         return true;
1041                                 } else {
1042                                         return false;
1043                                 }
1044                         }
1045                         return true; // consider the file always locked and skip the test
1046                 } else {
1047                         return false;
1048                 }
1049         }
1050
1051
1052         function make_lockfile($filename) {
1053                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1054
1055                 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
1056                         $stat_h = fstat($fp);
1057                         $stat_f = stat(LOCK_DIRECTORY . "/$filename");
1058
1059                         if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
1060                                 if ($stat_h["ino"] != $stat_f["ino"] ||
1061                                                 $stat_h["dev"] != $stat_f["dev"]) {
1062
1063                                         return false;
1064                                 }
1065                         }
1066
1067                         if (function_exists('posix_getpid')) {
1068                                 fwrite($fp, posix_getpid() . "\n");
1069                         }
1070                         return $fp;
1071                 } else {
1072                         return false;
1073                 }
1074         }
1075
1076         function make_stampfile($filename) {
1077                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1078
1079                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1080                         fwrite($fp, time() . "\n");
1081                         flock($fp, LOCK_UN);
1082                         fclose($fp);
1083                         return true;
1084                 } else {
1085                         return false;
1086                 }
1087         }
1088
1089         function sql_random_function() {
1090                 if (DB_TYPE == "mysql") {
1091                         return "RAND()";
1092                 } else {
1093                         return "RANDOM()";
1094                 }
1095         }
1096
1097         function getAllCounters() {
1098                 $data = getGlobalCounters();
1099
1100                 $data = array_merge($data, getVirtCounters());
1101                 $data = array_merge($data, getLabelCounters());
1102                 $data = array_merge($data, getFeedCounters());
1103                 $data = array_merge($data, getCategoryCounters());
1104
1105                 return $data;
1106         }
1107
1108         function getCategoryTitle($cat_id) {
1109
1110                 if ($cat_id == -1) {
1111                         return __("Special");
1112                 } else if ($cat_id == -2) {
1113                         return __("Labels");
1114                 } else {
1115
1116                         $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1117                                 id = '$cat_id'");
1118
1119                         if (db_num_rows($result) == 1) {
1120                                 return db_fetch_result($result, 0, "title");
1121                         } else {
1122                                 return __("Uncategorized");
1123                         }
1124                 }
1125         }
1126
1127
1128         function getCategoryCounters() {
1129                 $ret_arr = array();
1130
1131                 /* Labels category */
1132
1133                 $cv = array("id" => -2, "kind" => "cat",
1134                         "counter" => Feeds::getCategoryUnread(-2));
1135
1136                 array_push($ret_arr, $cv);
1137
1138                 $result = db_query("SELECT id AS cat_id, value AS unread,
1139                         (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1140                                 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1141                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
1142                         WHERE ttrss_cat_counters_cache.feed_id = id AND
1143                         ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1144                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1145
1146                 while ($line = db_fetch_assoc($result)) {
1147                         $line["cat_id"] = (int) $line["cat_id"];
1148
1149                         if ($line["num_children"] > 0) {
1150                                 $child_counter = getCategoryChildrenUnread($line["cat_id"], $_SESSION["uid"]);
1151                         } else {
1152                                 $child_counter = 0;
1153                         }
1154
1155                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
1156                                 "counter" => $line["unread"] + $child_counter);
1157
1158                         array_push($ret_arr, $cv);
1159                 }
1160
1161                 /* Special case: NULL category doesn't actually exist in the DB */
1162
1163                 $cv = array("id" => 0, "kind" => "cat",
1164                         "counter" => (int) ccache_find(0, $_SESSION["uid"], true));
1165
1166                 array_push($ret_arr, $cv);
1167
1168                 return $ret_arr;
1169         }
1170
1171         function getFeedUnread($feed, $is_cat = false) {
1172                 return Feeds::getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1173         }
1174
1175         function getLabelUnread($label_id, $owner_uid = false) {
1176                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1177
1178                 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1179                         WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1180
1181                 if (db_num_rows($result) != 0) {
1182                         return db_fetch_result($result, 0, "unread");
1183                 } else {
1184                         return 0;
1185                 }
1186         }
1187
1188         function getGlobalUnread($user_id = false) {
1189
1190                 if (!$user_id) {
1191                         $user_id = $_SESSION["uid"];
1192                 }
1193
1194                 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1195                         WHERE owner_uid = '$user_id' AND feed_id > 0");
1196
1197                 $c_id = db_fetch_result($result, 0, "c_id");
1198
1199                 return $c_id;
1200         }
1201
1202         function getGlobalCounters($global_unread = -1) {
1203                 $ret_arr = array();
1204
1205                 if ($global_unread == -1) {
1206                         $global_unread = getGlobalUnread();
1207                 }
1208
1209                 $cv = array("id" => "global-unread",
1210                         "counter" => (int) $global_unread);
1211
1212                 array_push($ret_arr, $cv);
1213
1214                 $result = db_query("SELECT COUNT(id) AS fn FROM
1215                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1216
1217                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1218
1219                 $cv = array("id" => "subscribed-feeds",
1220                         "counter" => (int) $subscribed_feeds);
1221
1222                 array_push($ret_arr, $cv);
1223
1224                 return $ret_arr;
1225         }
1226
1227         function getVirtCounters() {
1228
1229                 $ret_arr = array();
1230
1231                 for ($i = 0; $i >= -4; $i--) {
1232
1233                         $count = getFeedUnread($i);
1234
1235                         if ($i == 0 || $i == -1 || $i == -2)
1236                                 $auxctr = Feeds::getFeedArticles($i, false);
1237                         else
1238                                 $auxctr = 0;
1239
1240                         $cv = array("id" => $i,
1241                                 "counter" => (int) $count,
1242                                 "auxcounter" => (int) $auxctr);
1243
1244 //                      if (get_pref('EXTENDED_FEEDLIST'))
1245 //                              $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1246
1247                         array_push($ret_arr, $cv);
1248                 }
1249
1250                 $feeds = PluginHost::getInstance()->get_feeds(-1);
1251
1252                 if (is_array($feeds)) {
1253                         foreach ($feeds as $feed) {
1254                                 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1255                                         "counter" => $feed['sender']->get_unread($feed['id']));
1256
1257                                 if (method_exists($feed['sender'], 'get_total'))
1258                                         $cv["auxcounter"] = $feed['sender']->get_total($feed['id']);
1259
1260                                 array_push($ret_arr, $cv);
1261                         }
1262                 }
1263
1264                 return $ret_arr;
1265         }
1266
1267         function getLabelCounters($descriptions = false) {
1268
1269                 $ret_arr = array();
1270
1271                 $owner_uid = $_SESSION["uid"];
1272
1273                 $result = db_query("SELECT id,caption,SUM(CASE WHEN u1.unread = true THEN 1 ELSE 0 END) AS unread, COUNT(u1.unread) AS total
1274                         FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1275                                 (ttrss_labels2.id = label_id)
1276                                 LEFT JOIN ttrss_user_entries AS u1 ON u1.ref_id = article_id
1277                                 WHERE ttrss_labels2.owner_uid = $owner_uid AND u1.owner_uid = $owner_uid
1278                                 GROUP BY ttrss_labels2.id,
1279                                         ttrss_labels2.caption");
1280
1281                 while ($line = db_fetch_assoc($result)) {
1282
1283                         $id = label_to_feed_id($line["id"]);
1284
1285                         $cv = array("id" => $id,
1286                                 "counter" => (int) $line["unread"],
1287                                 "auxcounter" => (int) $line["total"]);
1288
1289                         if ($descriptions)
1290                                 $cv["description"] = $line["caption"];
1291
1292                         array_push($ret_arr, $cv);
1293                 }
1294
1295                 return $ret_arr;
1296         }
1297
1298         function getFeedCounters($active_feed = false) {
1299
1300                 $ret_arr = array();
1301
1302                 $query = "SELECT ttrss_feeds.id,
1303                                 ttrss_feeds.title,
1304                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1305                                 last_error, value AS count
1306                         FROM ttrss_feeds, ttrss_counters_cache
1307                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1308                                 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1309                                 AND ttrss_counters_cache.feed_id = id";
1310
1311                 $result = db_query($query);
1312
1313                 while ($line = db_fetch_assoc($result)) {
1314
1315                         $id = $line["id"];
1316                         $count = $line["count"];
1317                         $last_error = htmlspecialchars($line["last_error"]);
1318
1319                         $last_updated = make_local_datetime($line['last_updated'], false);
1320
1321                         $has_img = feed_has_icon($id);
1322
1323                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1324                                 $last_updated = '';
1325
1326                         $cv = array("id" => $id,
1327                                 "updated" => $last_updated,
1328                                 "counter" => (int) $count,
1329                                 "has_img" => (int) $has_img);
1330
1331                         if ($last_error)
1332                                 $cv["error"] = $last_error;
1333
1334 //                      if (get_pref('EXTENDED_FEEDLIST'))
1335 //                              $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1336
1337                         if ($active_feed && $id == $active_feed)
1338                                 $cv["title"] = truncate_string($line["title"], 30);
1339
1340                         array_push($ret_arr, $cv);
1341
1342                 }
1343
1344                 return $ret_arr;
1345         }
1346
1347         /*function get_pgsql_version() {
1348                 $result = db_query("SELECT version() AS version");
1349                 $version = explode(" ", db_fetch_result($result, 0, "version"));
1350                 return $version[1];
1351         }*/
1352
1353         function checkbox_to_sql_bool($val) {
1354                 return ($val == "on") ? "true" : "false";
1355         }
1356
1357         /*function getFeedCatTitle($id) {
1358                 if ($id == -1) {
1359                         return __("Special");
1360                 } else if ($id < LABEL_BASE_INDEX) {
1361                         return __("Labels");
1362                 } else if ($id > 0) {
1363                         $result = db_query("SELECT ttrss_feed_categories.title
1364                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1365                                         cat_id = ttrss_feed_categories.id");
1366                         if (db_num_rows($result) == 1) {
1367                                 return db_fetch_result($result, 0, "title");
1368                         } else {
1369                                 return __("Uncategorized");
1370                         }
1371                 } else {
1372                         return "getFeedCatTitle($id) failed";
1373                 }
1374
1375         }*/
1376
1377         function uniqid_short() {
1378                 return uniqid(base_convert(rand(), 10, 36));
1379         }
1380
1381         // TODO: less dumb splitting
1382         require_once "functions2.php";