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
 140         define('SELF_USER_AGENT', 'Tiny Tiny RSS/' . VERSION . ' (http://tt-rss.org/)');
 141         ini_set('user_agent', SELF_USER_AGENT);
 142
 143         require_once 'lib/pubsubhubbub/Publisher.php';
 144
 145         $schema_version = false;
 146
 147         function _debug_suppress($suppress) {
 148                 global $suppress_debugging;
 149
 150                 $suppress_debugging = $suppress;
 151         }
 152
 153         /**
 154          * Print a timestamped debug message.
 155          *
 156          * @param string $msg The debug message.
 157          * @return void
 158          */
 159         function _debug($msg, $show = true) {
 160                 global $suppress_debugging;
 161
 162                 //echo "[$suppress_debugging] $msg $show\n";
 163
 164                 if ($suppress_debugging) return false;
 165
 166                 $ts = strftime("%H:%M:%S", time());
 167                 if (function_exists('posix_getpid')) {
 168                         $ts = "$ts/" . posix_getpid();
 169                 }
 170
 171                 if ($show && !(defined('QUIET') && QUIET)) {
 172                         print "[$ts] $msg\n";
 173                 }
 174
 175                 if (defined('LOGFILE'))  {
 176                         $fp = fopen(LOGFILE, 'a+');
 177
 178                         if ($fp) {
 179                                 $locked = false;
 180
 181                                 if (function_exists("flock")) {
 182                                         $tries = 0;
 183
 184                                         // try to lock logfile for writing
 185                                         while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB)) {
 186                                                 sleep(1);
 187                                                 ++$tries;
 188                                         }
 189
 190                                         if (!$locked) {
 191                                                 fclose($fp);
 192                                                 return;
 193                                         }
 194                                 }
 195
 196                                 fputs($fp, "[$ts] $msg\n");
 197
 198                                 if (function_exists("flock")) {
 199                                         flock($fp, LOCK_UN);
 200                                 }
 201
 202                                 fclose($fp);
 203                         }
 204                 }
 205
 206         } // function _debug
 207
 208         /**
 209          * Purge a feed old posts.
 210          *
 211          * @param mixed $link A database connection.
 212          * @param mixed $feed_id The id of the purged feed.
 213          * @param mixed $purge_interval Olderness of purged posts.
 214          * @param boolean $debug Set to True to enable the debug. False by default.
 215          * @access public
 216          * @return void
 217          */
 218         function purge_feed($feed_id, $purge_interval, $debug = false) {
 219
 220                 if (!$purge_interval) $purge_interval = feed_purge_interval($feed_id);
 221
 222                 $rows = -1;
 223
 224                 $result = db_query(
 225                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 226
 227                 $owner_uid = false;
 228
 229                 if (db_num_rows($result) == 1) {
 230                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 231                 }
 232
 233                 if ($purge_interval == -1 || !$purge_interval) {
 234                         if ($owner_uid) {
 235                                 ccache_update($feed_id, $owner_uid);
 236                         }
 237                         return;
 238                 }
 239
 240                 if (!$owner_uid) return;
 241
 242                 if (FORCE_ARTICLE_PURGE == 0) {
 243                         $purge_unread = get_pref("PURGE_UNREAD_ARTICLES",
 244                                 $owner_uid, false);
 245                 } else {
 246                         $purge_unread = true;
 247                         $purge_interval = FORCE_ARTICLE_PURGE;
 248                 }
 249
 250                 if (!$purge_unread) $query_limit = " unread = false AND ";
 251
 252                 if (DB_TYPE == "pgsql") {
 253                         $result = db_query("DELETE FROM ttrss_user_entries
 254                                 USING ttrss_entries
 255                                 WHERE ttrss_entries.id = ref_id AND
 256                                 marked = false AND
 257                                 feed_id = '$feed_id' AND
 258                                 $query_limit
 259                                 ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 260
 261                 } else {
 262
 263 /*                      $result = db_query("DELETE FROM ttrss_user_entries WHERE
 264                                 marked = false AND feed_id = '$feed_id' AND
 265                                 (SELECT date_updated FROM ttrss_entries WHERE
 266                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 267
 268                         $result = db_query("DELETE FROM ttrss_user_entries
 269                                 USING ttrss_user_entries, ttrss_entries
 270                                 WHERE ttrss_entries.id = ref_id AND
 271                                 marked = false AND
 272                                 feed_id = '$feed_id' AND
 273                                 $query_limit
 274                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 275                 }
 276
 277                 $rows = db_affected_rows($result);
 278
 279                 ccache_update($feed_id, $owner_uid);
 280
 281                 if ($debug) {
 282                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 283                 }
 284
 285                 return $rows;
 286         } // function purge_feed
 287
 288         function feed_purge_interval($feed_id) {
 289
 290                 $result = db_query("SELECT purge_interval, owner_uid FROM ttrss_feeds
 291                         WHERE id = '$feed_id'");
 292
 293                 if (db_num_rows($result) == 1) {
 294                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 295                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 296
 297                         if ($purge_interval == 0) $purge_interval = get_pref(
 298                                 'PURGE_OLD_DAYS', $owner_uid);
 299
 300                         return $purge_interval;
 301
 302                 } else {
 303                         return -1;
 304                 }
 305         }
 306
 307         function purge_orphans($do_output = false) {
 308
 309                 // purge orphaned posts in main content table
 310                 $result = db_query("DELETE FROM ttrss_entries WHERE
 311                         NOT EXISTS (SELECT ref_id FROM ttrss_user_entries WHERE ref_id = id)");
 312
 313                 if ($do_output) {
 314                         $rows = db_affected_rows($result);
 315                         _debug("Purged $rows orphaned posts.");
 316                 }
 317         }
 318
 319         function get_feed_update_interval($feed_id) {
 320                 $result = db_query("SELECT owner_uid, update_interval FROM
 321                         ttrss_feeds WHERE id = '$feed_id'");
 322
 323                 if (db_num_rows($result) == 1) {
 324                         $update_interval = db_fetch_result($result, 0, "update_interval");
 325                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 326
 327                         if ($update_interval != 0) {
 328                                 return $update_interval;
 329                         } else {
 330                                 return get_pref('DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 331                         }
 332
 333                 } else {
 334                         return -1;
 335                 }
 336         }
 337
 338         // TODO: multiple-argument way is deprecated, first parameter is a hash now
 339         function fetch_file_contents($options /* previously: 0: $url , 1: $type = false, 2: $login = false, 3: $pass = false,
 340                                 4: $post_query = false, 5: $timeout = false, 6: $timestamp = 0, 7: $useragent = false*/) {
 341
 342                 global $fetch_last_error;
 343                 global $fetch_last_error_code;
 344                 global $fetch_last_error_content;
 345                 global $fetch_last_content_type;
 346                 global $fetch_curl_used;
 347
 348                 $fetch_last_error = false;
 349                 $fetch_last_error_code = -1;
 350                 $fetch_last_error_content = "";
 351                 $fetch_last_content_type = "";
 352                 $fetch_curl_used = false;
 353
 354                 if (!is_array($options)) {
 355
 356                         // falling back on compatibility shim
 357                         $option_names = [ "url", "type", "login", "pass", "post_query", "timeout", "timestamp", "useragent" ];
 358                         $tmp = [];
 359
 360                         for ($i = 0; $i < func_num_args(); $i++) {
 361                                 $tmp[$option_names[$i]] = func_get_arg($i);
 362                         }
 363
 364                         $options = $tmp;
 365
 366                         /*$options = array(
 367                                         "url" => func_get_arg(0),
 368                                         "type" => @func_get_arg(1),
 369                                         "login" => @func_get_arg(2),
 370                                         "pass" => @func_get_arg(3),
 371                                         "post_query" => @func_get_arg(4),
 372                                         "timeout" => @func_get_arg(5),
 373                                         "timestamp" => @func_get_arg(6),
 374                                         "useragent" => @func_get_arg(7)
 375                         ); */
 376                 }
 377
 378                 $url = $options["url"];
 379                 $type = isset($options["type"]) ? $options["type"] : false;
 380                 $login = isset($options["login"]) ? $options["login"] : false;
 381                 $pass = isset($options["pass"]) ? $options["pass"] : false;
 382                 $post_query = isset($options["post_query"]) ? $options["post_query"] : false;
 383                 $timeout = isset($options["timeout"]) ? $options["timeout"] : false;
 384                 $timestamp = isset($options["timestamp"]) ? $options["timestamp"] : 0;
 385                 $useragent = isset($options["useragent"]) ? $options["useragent"] : false;
 386                 $followlocation = isset($options["followlocation"]) ? $options["followlocation"] : true;
 387
 388                 $url = ltrim($url, ' ');
 389                 $url = str_replace(' ', '%20', $url);
 390
 391                 if (strpos($url, "//") === 0)
 392                         $url = 'http:' . $url;
 393
 394                 if (!defined('NO_CURL') && function_exists('curl_init') && !ini_get("open_basedir")) {
 395
 396                         $fetch_curl_used = true;
 397
 398                         $ch = curl_init($url);
 399
 400                         if ($timestamp && !$post_query) {
 401                                 curl_setopt($ch, CURLOPT_HTTPHEADER,
 402                                         array("If-Modified-Since: ".gmdate('D, d M Y H:i:s \G\M\T', $timestamp)));
 403                         }
 404
 405                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout ? $timeout : FILE_FETCH_CONNECT_TIMEOUT);
 406                         curl_setopt($ch, CURLOPT_TIMEOUT, $timeout ? $timeout : FILE_FETCH_TIMEOUT);
 407                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, !ini_get("open_basedir") && $followlocation);
 408                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 409                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 410                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 411                         curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
 412                         curl_setopt($ch, CURLOPT_USERAGENT, $useragent ? $useragent :
 413                                 SELF_USER_AGENT);
 414                         curl_setopt($ch, CURLOPT_ENCODING, "");
 415                         //curl_setopt($ch, CURLOPT_REFERER, $url);
 416
 417                         if (!ini_get("open_basedir")) {
 418                                 curl_setopt($ch, CURLOPT_COOKIEJAR, "/dev/null");
 419                         }
 420
 421                         if (defined('_CURL_HTTP_PROXY')) {
 422                                 curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);
 423                         }
 424
 425                         if ($post_query) {
 426                                 curl_setopt($ch, CURLOPT_POST, true);
 427                                 curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
 428                         }
 429
 430                         if ($login && $pass)
 431                                 curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
 432
 433                         $contents = @curl_exec($ch);
 434
 435                         if (curl_errno($ch) === 23 || curl_errno($ch) === 61) {
 436                                 curl_setopt($ch, CURLOPT_ENCODING, 'none');
 437                                 $contents = @curl_exec($ch);
 438                         }
 439
 440                         if ($contents === false) {
 441                                 $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
 442                                 curl_close($ch);
 443                                 return false;
 444                         }
 445
 446                         $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 447                         $fetch_last_content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 448
 449                         $fetch_last_error_code = $http_code;
 450
 451                         if ($http_code != 200 || $type && strpos($fetch_last_content_type, "$type") === false) {
 452                                 if (curl_errno($ch) != 0) {
 453                                         $fetch_last_error = curl_errno($ch) . " " . curl_error($ch);
 454                                 } else {
 455                                         $fetch_last_error = "HTTP Code: $http_code";
 456                                 }
 457                                 $fetch_last_error_content = $contents;
 458                                 curl_close($ch);
 459                                 return false;
 460                         }
 461
 462                         curl_close($ch);
 463
 464                         return $contents;
 465                 } else {
 466
 467                         $fetch_curl_used = false;
 468
 469                         if ($login && $pass){
 470                                 $url_parts = array();
 471
 472                                 preg_match("/(^[^:]*):\/\/(.*)/", $url, $url_parts);
 473
 474                                 $pass = urlencode($pass);
 475
 476                                 if ($url_parts[1] && $url_parts[2]) {
 477                                         $url = $url_parts[1] . "://$login:$pass@" . $url_parts[2];
 478                                 }
 479                         }
 480
 481                         // TODO: should this support POST requests or not? idk
 482
 483                         if (!$post_query && $timestamp) {
 484                                  $context = stream_context_create(array(
 485                                           'http' => array(
 486                                                         'method' => 'GET',
 487                                                     'ignore_errors' => true,
 488                                                     'timeout' => $timeout ? $timeout : FILE_FETCH_TIMEOUT,
 489                                                         'protocol_version'=> 1.1,
 490                                                         'header' => "If-Modified-Since: ".gmdate("D, d M Y H:i:s \\G\\M\\T\r\n", $timestamp)
 491                                           )));
 492                         } else {
 493                                  $context = stream_context_create(array(
 494                                           'http' => array(
 495                                                         'method' => 'GET',
 496                                                     'ignore_errors' => true,
 497                                                     'timeout' => $timeout ? $timeout : FILE_FETCH_TIMEOUT,
 498                                                         'protocol_version'=> 1.1
 499                                           )));
 500                         }
 501
 502                         $old_error = error_get_last();
 503
 504                         $data = @file_get_contents($url, false, $context);
 505
 506                         if (isset($http_response_header) && is_array($http_response_header)) {
 507                                 foreach ($http_response_header as $h) {
 508                                         if (substr(strtolower($h), 0, 13) == 'content-type:') {
 509                                                 $fetch_last_content_type = substr($h, 14);
 510                                                 // don't abort here b/c there might be more than one
 511                                                 // e.g. if we were being redirected -- last one is the right one
 512                                         }
 513
 514                                         if (substr(strtolower($h), 0, 7) == 'http/1.') {
 515                                                 $fetch_last_error_code = (int) substr($h, 9, 3);
 516                                         }
 517                                 }
 518                         }
 519
 520                         if ($fetch_last_error_code != 200) {
 521                                 $error = error_get_last();
 522
 523                                 if ($error['message'] != $old_error['message']) {
 524                                         $fetch_last_error = $error["message"];
 525                                 } else {
 526                                         $fetch_last_error = "HTTP Code: $fetch_last_error_code";
 527                                 }
 528
 529                                 $fetch_last_error_content = $data;
 530
 531                                 return false;
 532                         }
 533                         return $data;
 534                 }
 535
 536         }
 537
 538         /**
 539          * Try to determine the favicon URL for a feed.
 540          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 541          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 542          *
 543          * @param string $url A feed or page URL
 544          * @access public
 545          * @return mixed The favicon URL, or false if none was found.
 546          */
 547         function get_favicon_url($url) {
 548
 549                 $favicon_url = false;
 550
 551                 if ($html = @fetch_file_contents($url)) {
 552
 553                         libxml_use_internal_errors(true);
 554
 555                         $doc = new DOMDocument();
 556                         $doc->loadHTML($html);
 557                         $xpath = new DOMXPath($doc);
 558
 559                         $base = $xpath->query('/html/head/base');
 560                         foreach ($base as $b) {
 561                                 $url = $b->getAttribute("href");
 562                                 break;
 563                         }
 564
 565                         $entries = $xpath->query('/html/head/link[@rel="shortcut icon" or @rel="icon"]');
 566                         if (count($entries) > 0) {
 567                                 foreach ($entries as $entry) {
 568                                         $favicon_url = rewrite_relative_url($url, $entry->getAttribute("href"));
 569                                         break;
 570                                 }
 571                         }
 572                 }
 573
 574                 if (!$favicon_url)
 575                         $favicon_url = rewrite_relative_url($url, "/favicon.ico");
 576
 577                 return $favicon_url;
 578         } // function get_favicon_url
 579
 580         function check_feed_favicon($site_url, $feed) {
 581 #               print "FAVICON [$site_url]: $favicon_url\n";
 582
 583                 $icon_file = ICONS_DIR . "/$feed.ico";
 584
 585                 if (!file_exists($icon_file)) {
 586                         $favicon_url = get_favicon_url($site_url);
 587
 588                         if ($favicon_url) {
 589                                 // Limiting to "image" type misses those served with text/plain
 590                                 $contents = fetch_file_contents($favicon_url); // , "image");
 591
 592                                 if ($contents) {
 593                                         // Crude image type matching.
 594                                         // Patterns gleaned from the file(1) source code.
 595                                         if (preg_match('/^\x00\x00\x01\x00/', $contents)) {
 596                                                 // 0       string  \000\000\001\000        MS Windows icon resource
 597                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa MS Windows icon resource");
 598                                         }
 599                                         elseif (preg_match('/^GIF8/', $contents)) {
 600                                                 // 0       string          GIF8            GIF image data
 601                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa GIF image");
 602                                         }
 603                                         elseif (preg_match('/^\x89PNG\x0d\x0a\x1a\x0a/', $contents)) {
 604                                                 // 0       string          \x89PNG\x0d\x0a\x1a\x0a         PNG image data
 605                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa PNG image");
 606                                         }
 607                                         elseif (preg_match('/^\xff\xd8/', $contents)) {
 608                                                 // 0       beshort         0xffd8          JPEG image data
 609                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa JPG image");
 610                                         }
 611                                         else {
 612                                                 //error_log("check_feed_favicon: favicon_url=$favicon_url isa UNKNOWN type");
 613                                                 $contents = "";
 614                                         }
 615                                 }
 616
 617                                 if ($contents) {
 618                                         $fp = @fopen($icon_file, "w");
 619
 620                                         if ($fp) {
 621                                                 fwrite($fp, $contents);
 622                                                 fclose($fp);
 623                                                 chmod($icon_file, 0644);
 624                                         }
 625                                 }
 626                         }
 627             return $icon_file;
 628                 }
 629         }
 630
 631         function print_select($id, $default, $values, $attributes = "", $name = "") {
 632                 if (!$name) $name = $id;
 633
 634                 print "<select name=\"$name\" id=\"$id\" $attributes>";
 635                 foreach ($values as $v) {
 636                         if ($v == $default)
 637                                 $sel = "selected=\"1\"";
 638                          else
 639                                 $sel = "";
 640
 641                         $v = trim($v);
 642
 643                         print "<option value=\"$v\" $sel>$v</option>";
 644                 }
 645                 print "</select>";
 646         }
 647
 648         function print_select_hash($id, $default, $values, $attributes = "", $name = "") {
 649                 if (!$name) $name = $id;
 650
 651                 print "<select name=\"$name\" id='$id' $attributes>";
 652                 foreach (array_keys($values) as $v) {
 653                         if ($v == $default)
 654                                 $sel = 'selected="selected"';
 655                          else
 656                                 $sel = "";
 657
 658                         $v = trim($v);
 659
 660                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
 661                 }
 662
 663                 print "</select>";
 664         }
 665
 666         function print_radio($id, $default, $true_is, $values, $attributes = "") {
 667                 foreach ($values as $v) {
 668
 669                         if ($v == $default)
 670                                 $sel = "checked";
 671                          else
 672                                 $sel = "";
 673
 674                         if ($v == $true_is) {
 675                                 $sel .= " value=\"1\"";
 676                         } else {
 677                                 $sel .= " value=\"0\"";
 678                         }
 679
 680                         print "<input class=\"noborder\" dojoType=\"dijit.form.RadioButton\"
 681                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
 682
 683                 }
 684         }
 685
 686         function initialize_user_prefs($uid, $profile = false) {
 687
 688                 $uid = db_escape_string($uid);
 689
 690                 if (!$profile) {
 691                         $profile = "NULL";
 692                         $profile_qpart = "AND profile IS NULL";
 693                 } else {
 694                         $profile_qpart = "AND profile = '$profile'";
 695                 }
 696
 697                 if (get_schema_version() < 63) $profile_qpart = "";
 698
 699                 db_query("BEGIN");
 700
 701                 $result = db_query("SELECT pref_name,def_value FROM ttrss_prefs");
 702
 703                 $u_result = db_query("SELECT pref_name
 704                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
 705
 706                 $active_prefs = array();
 707
 708                 while ($line = db_fetch_assoc($u_result)) {
 709                         array_push($active_prefs, $line["pref_name"]);
 710                 }
 711
 712                 while ($line = db_fetch_assoc($result)) {
 713                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
 714 //                              print "adding " . $line["pref_name"] . "<br>";
 715
 716                                 $line["def_value"] = db_escape_string($line["def_value"]);
 717                                 $line["pref_name"] = db_escape_string($line["pref_name"]);
 718
 719                                 if (get_schema_version() < 63) {
 720                                         db_query("INSERT INTO ttrss_user_prefs
 721                                                 (owner_uid,pref_name,value) VALUES
 722                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
 723
 724                                 } else {
 725                                         db_query("INSERT INTO ttrss_user_prefs
 726                                                 (owner_uid,pref_name,value, profile) VALUES
 727                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
 728                                 }
 729
 730                         }
 731                 }
 732
 733                 db_query("COMMIT");
 734
 735         }
 736
 737         function get_ssl_certificate_id() {
 738                 if ($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"]) {
 739                         return sha1($_SERVER["REDIRECT_SSL_CLIENT_M_SERIAL"] .
 740                                 $_SERVER["REDIRECT_SSL_CLIENT_V_START"] .
 741                                 $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
 742                                 $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
 743                 }
 744                 if ($_SERVER["SSL_CLIENT_M_SERIAL"]) {
 745                         return sha1($_SERVER["SSL_CLIENT_M_SERIAL"] .
 746                                 $_SERVER["SSL_CLIENT_V_START"] .
 747                                 $_SERVER["SSL_CLIENT_V_END"] .
 748                                 $_SERVER["SSL_CLIENT_S_DN"]);
 749                 }
 750                 return "";
 751         }
 752
 753         function authenticate_user($login, $password, $check_only = false) {
 754
 755                 if (!SINGLE_USER_MODE) {
 756                         $user_id = false;
 757
 758                         foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_AUTH_USER) as $plugin) {
 759
 760                                 $user_id = (int) $plugin->authenticate($login, $password);
 761
 762                                 if ($user_id) {
 763                                         $_SESSION["auth_module"] = strtolower(get_class($plugin));
 764                                         break;
 765                                 }
 766                         }
 767
 768                         if ($user_id && !$check_only) {
 769                                 @session_start();
 770
 771                                 $_SESSION["uid"] = $user_id;
 772                                 $_SESSION["version"] = VERSION_STATIC;
 773
 774                                 $result = db_query("SELECT login,access_level,pwd_hash FROM ttrss_users
 775                                         WHERE id = '$user_id'");
 776
 777                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
 778                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
 779                                 $_SESSION["csrf_token"] = uniqid_short();
 780
 781                                 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 782                                         $_SESSION["uid"]);
 783
 784                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 785                                 $_SESSION["user_agent"] = sha1($_SERVER['HTTP_USER_AGENT']);
 786                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
 787
 788                                 $_SESSION["last_version_check"] = time();
 789
 790                                 initialize_user_prefs($_SESSION["uid"]);
 791
 792                                 return true;
 793                         }
 794
 795                         return false;
 796
 797                 } else {
 798
 799                         $_SESSION["uid"] = 1;
 800                         $_SESSION["name"] = "admin";
 801                         $_SESSION["access_level"] = 10;
 802
 803                         $_SESSION["hide_hello"] = true;
 804                         $_SESSION["hide_logout"] = true;
 805
 806                         $_SESSION["auth_module"] = false;
 807
 808                         if (!$_SESSION["csrf_token"]) {
 809                                 $_SESSION["csrf_token"] = uniqid_short();
 810                         }
 811
 812                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
 813
 814                         initialize_user_prefs($_SESSION["uid"]);
 815
 816                         return true;
 817                 }
 818         }
 819
 820         function make_password($length = 8) {
 821
 822                 $password = "";
 823                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
 824
 825         $i = 0;
 826
 827                 while ($i < $length) {
 828                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
 829
 830                         if (!strstr($password, $char)) {
 831                                 $password .= $char;
 832                                 $i++;
 833                         }
 834                 }
 835                 return $password;
 836         }
 837
 838         // this is called after user is created to initialize default feeds, labels
 839         // or whatever else
 840
 841         // user preferences are checked on every login, not here
 842
 843         function initialize_user($uid) {
 844
 845                 db_query("insert into ttrss_feeds (owner_uid,title,feed_url)
 846                         values ('$uid', 'Tiny Tiny RSS: Forum',
 847                                 'http://tt-rss.org/forum/rss.php')");
 848         }
 849
 850         function logout_user() {
 851                 session_destroy();
 852                 if (isset($_COOKIE[session_name()])) {
 853                    setcookie(session_name(), '', time()-42000, '/');
 854                 }
 855         }
 856
 857         function validate_csrf($csrf_token) {
 858                 return $csrf_token == $_SESSION['csrf_token'];
 859         }
 860
 861         function load_user_plugins($owner_uid, $pluginhost = false) {
 862
 863                 if (!$pluginhost) $pluginhost = PluginHost::getInstance();
 864
 865                 if ($owner_uid && SCHEMA_VERSION >= 100) {
 866                         $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
 867
 868                         $pluginhost->load($plugins, PluginHost::KIND_USER, $owner_uid);
 869
 870                         if (get_schema_version() > 100) {
 871                                 $pluginhost->load_data();
 872                         }
 873                 }
 874         }
 875
 876         function login_sequence() {
 877                 if (SINGLE_USER_MODE) {
 878                         @session_start();
 879                         authenticate_user("admin", null);
 880                         startup_gettext();
 881                         load_user_plugins($_SESSION["uid"]);
 882                 } else {
 883                         if (!validate_session()) $_SESSION["uid"] = false;
 884
 885                         if (!$_SESSION["uid"]) {
 886
 887                                 if (AUTH_AUTO_LOGIN && authenticate_user(null, null)) {
 888                                     $_SESSION["ref_schema_version"] = get_schema_version(true);
 889                                 } else {
 890                                          authenticate_user(null, null, true);
 891                                 }
 892
 893                                 if (!$_SESSION["uid"]) {
 894                                         @session_destroy();
 895                                         setcookie(session_name(), '', time()-42000, '/');
 896
 897                                         render_login_form();
 898                                         exit;
 899                                 }
 900
 901                         } else {
 902                                 /* bump login timestamp */
 903                                 db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
 904                                         $_SESSION["uid"]);
 905                                 $_SESSION["last_login_update"] = time();
 906                         }
 907
 908                         if ($_SESSION["uid"]) {
 909                                 startup_gettext();
 910                                 load_user_plugins($_SESSION["uid"]);
 911
 912                                 /* cleanup ccache */
 913
 914                                 db_query("DELETE FROM ttrss_counters_cache WHERE owner_uid = ".
 915                                         $_SESSION["uid"] . " AND
 916                                                 (SELECT COUNT(id) FROM ttrss_feeds WHERE
 917                                                         ttrss_feeds.id = feed_id) = 0");
 918
 919                                 db_query("DELETE FROM ttrss_cat_counters_cache WHERE owner_uid = ".
 920                                         $_SESSION["uid"] . " AND
 921                                                 (SELECT COUNT(id) FROM ttrss_feed_categories WHERE
 922                                                         ttrss_feed_categories.id = feed_id) = 0");
 923
 924                         }
 925
 926                 }
 927         }
 928
 929         function truncate_string($str, $max_len, $suffix = '&hellip;') {
 930                 if (mb_strlen($str, "utf-8") > $max_len) {
 931                         return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
 932                 } else {
 933                         return $str;
 934                 }
 935         }
 936
 937         // is not utf8 clean
 938         function truncate_middle($str, $max_len, $suffix = '&hellip;') {
 939                 if (strlen($str) > $max_len) {
 940                         return substr_replace($str, $suffix, $max_len / 2, mb_strlen($str) - $max_len);
 941                 } else {
 942                         return $str;
 943                 }
 944         }
 945
 946         function convert_timestamp($timestamp, $source_tz, $dest_tz) {
 947
 948                 try {
 949                         $source_tz = new DateTimeZone($source_tz);
 950                 } catch (Exception $e) {
 951                         $source_tz = new DateTimeZone('UTC');
 952                 }
 953
 954                 try {
 955                         $dest_tz = new DateTimeZone($dest_tz);
 956                 } catch (Exception $e) {
 957                         $dest_tz = new DateTimeZone('UTC');
 958                 }
 959
 960                 $dt = new DateTime(date('Y-m-d H:i:s', $timestamp), $source_tz);
 961                 return $dt->format('U') + $dest_tz->getOffset($dt);
 962         }
 963
 964         function make_local_datetime($timestamp, $long, $owner_uid = false,
 965                                         $no_smart_dt = false, $eta_min = false) {
 966
 967                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
 968                 if (!$timestamp) $timestamp = '1970-01-01 0:00';
 969
 970                 global $utc_tz;
 971                 global $user_tz;
 972
 973                 if (!$utc_tz) $utc_tz = new DateTimeZone('UTC');
 974
 975                 $timestamp = substr($timestamp, 0, 19);
 976
 977                 # We store date in UTC internally
 978                 $dt = new DateTime($timestamp, $utc_tz);
 979
 980                 $user_tz_string = get_pref('USER_TIMEZONE', $owner_uid);
 981
 982                 if ($user_tz_string != 'Automatic') {
 983
 984                         try {
 985                                 if (!$user_tz) $user_tz = new DateTimeZone($user_tz_string);
 986                         } catch (Exception $e) {
 987                                 $user_tz = $utc_tz;
 988                         }
 989
 990                         $tz_offset = $user_tz->getOffset($dt);
 991                 } else {
 992                         $tz_offset = (int) -$_SESSION["clientTzOffset"];
 993                 }
 994
 995                 $user_timestamp = $dt->format('U') + $tz_offset;
 996
 997                 if (!$no_smart_dt) {
 998                         return smart_date_time($user_timestamp,
 999                                 $tz_offset, $owner_uid, $eta_min);
1000                 } else {
1001                         if ($long)
1002                                 $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
1003                         else
1004                                 $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
1005
1006                         return date($format, $user_timestamp);
1007                 }
1008         }
1009
1010         function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false, $eta_min = false) {
1011                 if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1012
1013                 if ($eta_min && time() + $tz_offset - $timestamp < 3600) {
1014                         return T_sprintf("%d min", date("i", time() + $tz_offset - $timestamp));
1015                 } else if (date("Y.m.d", $timestamp) == date("Y.m.d", time() + $tz_offset)) {
1016                         return date("G:i", $timestamp);
1017                 } else if (date("Y", $timestamp) == date("Y", time() + $tz_offset)) {
1018                         $format = get_pref('SHORT_DATE_FORMAT', $owner_uid);
1019                         return date($format, $timestamp);
1020                 } else {
1021                         $format = get_pref('LONG_DATE_FORMAT', $owner_uid);
1022                         return date($format, $timestamp);
1023                 }
1024         }
1025
1026         function sql_bool_to_bool($s) {
1027                 if ($s == "t" || $s == "1" || strtolower($s) == "true") {
1028                         return true;
1029                 } else {
1030                         return false;
1031                 }
1032         }
1033
1034         function bool_to_sql_bool($s) {
1035                 if ($s) {
1036                         return "true";
1037                 } else {
1038                         return "false";
1039                 }
1040         }
1041
1042         // Session caching removed due to causing wrong redirects to upgrade
1043         // script when get_schema_version() is called on an obsolete session
1044         // created on a previous schema version.
1045         function get_schema_version($nocache = false) {
1046                 global $schema_version;
1047
1048                 if (!$schema_version && !$nocache) {
1049                         $result = db_query("SELECT schema_version FROM ttrss_version");
1050                         $version = db_fetch_result($result, 0, "schema_version");
1051                         $schema_version = $version;
1052                         return $version;
1053                 } else {
1054                         return $schema_version;
1055                 }
1056         }
1057
1058         function sanity_check() {
1059                 require_once 'errors.php';
1060                 global $ERRORS;
1061
1062                 $error_code = 0;
1063                 $schema_version = get_schema_version(true);
1064
1065                 if ($schema_version != SCHEMA_VERSION) {
1066                         $error_code = 5;
1067                 }
1068
1069                 if (DB_TYPE == "mysql") {
1070                         $result = db_query("SELECT true", false);
1071                         if (db_num_rows($result) != 1) {
1072                                 $error_code = 10;
1073                         }
1074                 }
1075
1076                 if (db_escape_string("testTEST") != "testTEST") {
1077                         $error_code = 12;
1078                 }
1079
1080                 return array("code" => $error_code, "message" => $ERRORS[$error_code]);
1081         }
1082
1083         function file_is_locked($filename) {
1084                 if (file_exists(LOCK_DIRECTORY . "/$filename")) {
1085                         if (function_exists('flock')) {
1086                                 $fp = @fopen(LOCK_DIRECTORY . "/$filename", "r");
1087                                 if ($fp) {
1088                                         if (flock($fp, LOCK_EX | LOCK_NB)) {
1089                                                 flock($fp, LOCK_UN);
1090                                                 fclose($fp);
1091                                                 return false;
1092                                         }
1093                                         fclose($fp);
1094                                         return true;
1095                                 } else {
1096                                         return false;
1097                                 }
1098                         }
1099                         return true; // consider the file always locked and skip the test
1100                 } else {
1101                         return false;
1102                 }
1103         }
1104
1105
1106         function make_lockfile($filename) {
1107                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1108
1109                 if ($fp && flock($fp, LOCK_EX | LOCK_NB)) {
1110                         $stat_h = fstat($fp);
1111                         $stat_f = stat(LOCK_DIRECTORY . "/$filename");
1112
1113                         if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
1114                                 if ($stat_h["ino"] != $stat_f["ino"] ||
1115                                                 $stat_h["dev"] != $stat_f["dev"]) {
1116
1117                                         return false;
1118                                 }
1119                         }
1120
1121                         if (function_exists('posix_getpid')) {
1122                                 fwrite($fp, posix_getpid() . "\n");
1123                         }
1124                         return $fp;
1125                 } else {
1126                         return false;
1127                 }
1128         }
1129
1130         function make_stampfile($filename) {
1131                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
1132
1133                 if (flock($fp, LOCK_EX | LOCK_NB)) {
1134                         fwrite($fp, time() . "\n");
1135                         flock($fp, LOCK_UN);
1136                         fclose($fp);
1137                         return true;
1138                 } else {
1139                         return false;
1140                 }
1141         }
1142
1143         function sql_random_function() {
1144                 if (DB_TYPE == "mysql") {
1145                         return "RAND()";
1146                 } else {
1147                         return "RANDOM()";
1148                 }
1149         }
1150
1151         function catchup_feed($feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all') {
1152
1153                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
1154
1155                         //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
1156
1157                         // Todo: all this interval stuff needs some generic generator function
1158
1159                         $date_qpart = "false";
1160
1161                         switch ($mode) {
1162                         case "1day":
1163                                 if (DB_TYPE == "pgsql") {
1164                                         $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
1165                                 } else {
1166                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
1167                                 }
1168                                 break;
1169                         case "1week":
1170                                 if (DB_TYPE == "pgsql") {
1171                                         $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
1172                                 } else {
1173                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
1174                                 }
1175                                 break;
1176                         case "2week":
1177                                 if (DB_TYPE == "pgsql") {
1178                                         $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
1179                                 } else {
1180                                         $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
1181                                 }
1182                                 break;
1183                         default:
1184                                 $date_qpart = "true";
1185                         }
1186
1187                         if (is_numeric($feed)) {
1188                                 if ($cat_view) {
1189
1190                                         if ($feed >= 0) {
1191
1192                                                 if ($feed > 0) {
1193                                                         $children = getChildCategories($feed, $owner_uid);
1194                                                         array_push($children, $feed);
1195
1196                                                         $children = join(",", $children);
1197
1198                                                         $cat_qpart = "cat_id IN ($children)";
1199                                                 } else {
1200                                                         $cat_qpart = "cat_id IS NULL";
1201                                                 }
1202
1203                                                 db_query("UPDATE ttrss_user_entries
1204                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1205                                                                 (SELECT id FROM
1206                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1207                                                                                 AND owner_uid = $owner_uid AND unread = true AND feed_id IN
1208                                                                                         (SELECT id FROM ttrss_feeds WHERE $cat_qpart) AND $date_qpart) as tmp)");
1209
1210                                         } else if ($feed == -2) {
1211
1212                                                 db_query("UPDATE ttrss_user_entries
1213                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
1214                                                                 FROM ttrss_user_labels2, ttrss_entries WHERE article_id = ref_id AND id = ref_id AND $date_qpart) > 0
1215                                                                 AND unread = true AND owner_uid = $owner_uid");
1216                                         }
1217
1218                                 } else if ($feed > 0) {
1219
1220                                         db_query("UPDATE ttrss_user_entries
1221                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1222                                                         (SELECT id FROM
1223                                                                 (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1224                                                                         AND owner_uid = $owner_uid AND unread = true AND feed_id = $feed AND $date_qpart) as tmp)");
1225
1226                                 } else if ($feed < 0 && $feed > LABEL_BASE_INDEX) { // special, like starred
1227
1228                                         if ($feed == -1) {
1229                                                 db_query("UPDATE ttrss_user_entries
1230                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1231                                                                 (SELECT id FROM
1232                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1233                                                                                 AND owner_uid = $owner_uid AND unread = true AND marked = true AND $date_qpart) as tmp)");
1234                                         }
1235
1236                                         if ($feed == -2) {
1237                                                 db_query("UPDATE ttrss_user_entries
1238                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1239                                                                 (SELECT id FROM
1240                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1241                                                                                 AND owner_uid = $owner_uid AND unread = true AND published = true AND $date_qpart) as tmp)");
1242                                         }
1243
1244                                         if ($feed == -3) {
1245
1246                                                 $intl = get_pref("FRESH_ARTICLE_MAX_AGE");
1247
1248                                                 if (DB_TYPE == "pgsql") {
1249                                                         $match_part = "date_entered > NOW() - INTERVAL '$intl hour' ";
1250                                                 } else {
1251                                                         $match_part = "date_entered > DATE_SUB(NOW(),
1252                                                                 INTERVAL $intl HOUR) ";
1253                                                 }
1254
1255                                                 db_query("UPDATE ttrss_user_entries
1256                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1257                                                                 (SELECT id FROM
1258                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1259                                                                                 AND owner_uid = $owner_uid AND score >= 0 AND unread = true AND $date_qpart AND $match_part) as tmp)");
1260                                         }
1261
1262                                         if ($feed == -4) {
1263                                                 db_query("UPDATE ttrss_user_entries
1264                                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1265                                                                 (SELECT id FROM
1266                                                                         (SELECT DISTINCT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
1267                                                                                 AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1268                                         }
1269
1270                                 } else if ($feed < LABEL_BASE_INDEX) { // label
1271
1272                                         $label_id = feed_to_label_id($feed);
1273
1274                                         db_query("UPDATE ttrss_user_entries
1275                                                 SET unread = false, last_read = NOW() WHERE ref_id IN
1276                                                         (SELECT id FROM
1277                                                                 (SELECT DISTINCT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id
1278                                                                         AND label_id = '$label_id' AND ref_id = article_id
1279                                                                         AND owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1280
1281                                 }
1282
1283                                 ccache_update($feed, $owner_uid, $cat_view);
1284
1285                         } else { // tag
1286                                 db_query("UPDATE ttrss_user_entries
1287                                         SET unread = false, last_read = NOW() WHERE ref_id IN
1288                                                 (SELECT id FROM
1289                                                         (SELECT DISTINCT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id
1290                                                                 AND post_int_id = int_id AND tag_name = '$feed'
1291                                                                 AND ttrss_user_entries.owner_uid = $owner_uid AND unread = true AND $date_qpart) as tmp)");
1292
1293                         }
1294         }
1295
1296         function getAllCounters() {
1297                 $data = getGlobalCounters();
1298
1299                 $data = array_merge($data, getVirtCounters());
1300                 $data = array_merge($data, getLabelCounters());
1301                 $data = array_merge($data, getFeedCounters());
1302                 $data = array_merge($data, getCategoryCounters());
1303
1304                 return $data;
1305         }
1306
1307         function getCategoryTitle($cat_id) {
1308
1309                 if ($cat_id == -1) {
1310                         return __("Special");
1311                 } else if ($cat_id == -2) {
1312                         return __("Labels");
1313                 } else {
1314
1315                         $result = db_query("SELECT title FROM ttrss_feed_categories WHERE
1316                                 id = '$cat_id'");
1317
1318                         if (db_num_rows($result) == 1) {
1319                                 return db_fetch_result($result, 0, "title");
1320                         } else {
1321                                 return __("Uncategorized");
1322                         }
1323                 }
1324         }
1325
1326
1327         function getCategoryCounters() {
1328                 $ret_arr = array();
1329
1330                 /* Labels category */
1331
1332                 $cv = array("id" => -2, "kind" => "cat",
1333                         "counter" => getCategoryUnread(-2));
1334
1335                 array_push($ret_arr, $cv);
1336
1337                 $result = db_query("SELECT id AS cat_id, value AS unread,
1338                         (SELECT COUNT(id) FROM ttrss_feed_categories AS c2
1339                                 WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
1340                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
1341                         WHERE ttrss_cat_counters_cache.feed_id = id AND
1342                         ttrss_cat_counters_cache.owner_uid = ttrss_feed_categories.owner_uid AND
1343                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
1344
1345                 while ($line = db_fetch_assoc($result)) {
1346                         $line["cat_id"] = (int) $line["cat_id"];
1347
1348                         if ($line["num_children"] > 0) {
1349                                 $child_counter = getCategoryChildrenUnread($line["cat_id"], $_SESSION["uid"]);
1350                         } else {
1351                                 $child_counter = 0;
1352                         }
1353
1354                         $cv = array("id" => $line["cat_id"], "kind" => "cat",
1355                                 "counter" => $line["unread"] + $child_counter);
1356
1357                         array_push($ret_arr, $cv);
1358                 }
1359
1360                 /* Special case: NULL category doesn't actually exist in the DB */
1361
1362                 $cv = array("id" => 0, "kind" => "cat",
1363                         "counter" => (int) ccache_find(0, $_SESSION["uid"], true));
1364
1365                 array_push($ret_arr, $cv);
1366
1367                 return $ret_arr;
1368         }
1369
1370         // only accepts real cats (>= 0)
1371         function getCategoryChildrenUnread($cat, $owner_uid = false) {
1372                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1373
1374                 $result = db_query("SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
1375                                 AND owner_uid = $owner_uid");
1376
1377                 $unread = 0;
1378
1379                 while ($line = db_fetch_assoc($result)) {
1380                         $unread += getCategoryUnread($line["id"], $owner_uid);
1381                         $unread += getCategoryChildrenUnread($line["id"], $owner_uid);
1382                 }
1383
1384                 return $unread;
1385         }
1386
1387         function getCategoryUnread($cat, $owner_uid = false) {
1388
1389                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1390
1391                 if ($cat >= 0) {
1392
1393                         if ($cat != 0) {
1394                                 $cat_query = "cat_id = '$cat'";
1395                         } else {
1396                                 $cat_query = "cat_id IS NULL";
1397                         }
1398
1399                         $result = db_query("SELECT id FROM ttrss_feeds WHERE $cat_query
1400                                         AND owner_uid = " . $owner_uid);
1401
1402                         $cat_feeds = array();
1403                         while ($line = db_fetch_assoc($result)) {
1404                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
1405                         }
1406
1407                         if (count($cat_feeds) == 0) return 0;
1408
1409                         $match_part = implode(" OR ", $cat_feeds);
1410
1411                         $result = db_query("SELECT COUNT(int_id) AS unread
1412                                 FROM ttrss_user_entries
1413                                 WHERE   unread = true AND ($match_part)
1414                                 AND owner_uid = " . $owner_uid);
1415
1416                         $unread = 0;
1417
1418                         # this needs to be rewritten
1419                         while ($line = db_fetch_assoc($result)) {
1420                                 $unread += $line["unread"];
1421                         }
1422
1423                         return $unread;
1424                 } else if ($cat == -1) {
1425                         return getFeedUnread(-1) + getFeedUnread(-2) + getFeedUnread(-3) + getFeedUnread(0);
1426                 } else if ($cat == -2) {
1427
1428                         $result = db_query("
1429                                 SELECT COUNT(unread) AS unread FROM
1430                                         ttrss_user_entries, ttrss_user_labels2
1431                                 WHERE article_id = ref_id AND unread = true
1432                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
1433
1434                         $unread = db_fetch_result($result, 0, "unread");
1435
1436                         return $unread;
1437
1438                 }
1439         }
1440
1441         function getFeedUnread($feed, $is_cat = false) {
1442                 return getFeedArticles($feed, $is_cat, true, $_SESSION["uid"]);
1443         }
1444
1445         function getLabelUnread($label_id, $owner_uid = false) {
1446                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1447
1448                 $result = db_query("SELECT COUNT(ref_id) AS unread FROM ttrss_user_entries, ttrss_user_labels2
1449                         WHERE owner_uid = '$owner_uid' AND unread = true AND label_id = '$label_id' AND article_id = ref_id");
1450
1451                 if (db_num_rows($result) != 0) {
1452                         return db_fetch_result($result, 0, "unread");
1453                 } else {
1454                         return 0;
1455                 }
1456         }
1457
1458         function getFeedArticles($feed, $is_cat = false, $unread_only = false,
1459                 $owner_uid = false) {
1460
1461                 $n_feed = (int) $feed;
1462                 $need_entries = false;
1463
1464                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
1465
1466                 if ($unread_only) {
1467                         $unread_qpart = "unread = true";
1468                 } else {
1469                         $unread_qpart = "true";
1470                 }
1471
1472                 if ($is_cat) {
1473                         return getCategoryUnread($n_feed, $owner_uid);
1474                 } else if ($n_feed == -6) {
1475                         return 0;
1476                 } else if ($feed != "0" && $n_feed == 0) {
1477
1478                         $feed = db_escape_string($feed);
1479
1480                         $result = db_query("SELECT SUM((SELECT COUNT(int_id)
1481                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
1482                                         AND ref_id = id AND $unread_qpart)) AS count FROM ttrss_tags
1483                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
1484                         return db_fetch_result($result, 0, "count");
1485
1486                 } else if ($n_feed == -1) {
1487                         $match_part = "marked = true";
1488                 } else if ($n_feed == -2) {
1489                         $match_part = "published = true";
1490                 } else if ($n_feed == -3) {
1491                         $match_part = "unread = true AND score >= 0";
1492
1493                         $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
1494
1495                         if (DB_TYPE == "pgsql") {
1496                                 $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
1497                         } else {
1498                                 $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
1499                         }
1500
1501                         $need_entries = true;
1502
1503                 } else if ($n_feed == -4) {
1504                         $match_part = "true";
1505                 } else if ($n_feed >= 0) {
1506
1507                         if ($n_feed != 0) {
1508                                 $match_part = "feed_id = '$n_feed'";
1509                         } else {
1510                                 $match_part = "feed_id IS NULL";
1511                         }
1512
1513                 } else if ($feed < LABEL_BASE_INDEX) {
1514
1515                         $label_id = feed_to_label_id($feed);
1516
1517                         return getLabelUnread($label_id, $owner_uid);
1518
1519                 }
1520
1521                 if ($match_part) {
1522
1523                         if ($need_entries) {
1524                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
1525                                 $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
1526                         } else {
1527                                 $from_qpart = "ttrss_user_entries";
1528                                 $from_where = "";
1529                         }
1530
1531                         $query = "SELECT count(int_id) AS unread
1532                                 FROM $from_qpart WHERE
1533                                 $unread_qpart AND $from_where ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
1534
1535                         //echo "[$feed/$query]\n";
1536
1537                         $result = db_query($query);
1538
1539                 } else {
1540
1541                         $result = db_query("SELECT COUNT(post_int_id) AS unread
1542                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
1543                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
1544                                 AND $unread_qpart AND ttrss_tags.owner_uid = " . $owner_uid);
1545                 }
1546
1547                 $unread = db_fetch_result($result, 0, "unread");
1548
1549                 return $unread;
1550         }
1551
1552         function getGlobalUnread($user_id = false) {
1553
1554                 if (!$user_id) {
1555                         $user_id = $_SESSION["uid"];
1556                 }
1557
1558                 $result = db_query("SELECT SUM(value) AS c_id FROM ttrss_counters_cache
1559                         WHERE owner_uid = '$user_id' AND feed_id > 0");
1560
1561                 $c_id = db_fetch_result($result, 0, "c_id");
1562
1563                 return $c_id;
1564         }
1565
1566         function getGlobalCounters($global_unread = -1) {
1567                 $ret_arr = array();
1568
1569                 if ($global_unread == -1) {
1570                         $global_unread = getGlobalUnread();
1571                 }
1572
1573                 $cv = array("id" => "global-unread",
1574                         "counter" => (int) $global_unread);
1575
1576                 array_push($ret_arr, $cv);
1577
1578                 $result = db_query("SELECT COUNT(id) AS fn FROM
1579                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
1580
1581                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
1582
1583                 $cv = array("id" => "subscribed-feeds",
1584                         "counter" => (int) $subscribed_feeds);
1585
1586                 array_push($ret_arr, $cv);
1587
1588                 return $ret_arr;
1589         }
1590
1591         function getVirtCounters() {
1592
1593                 $ret_arr = array();
1594
1595                 for ($i = 0; $i >= -4; $i--) {
1596
1597                         $count = getFeedUnread($i);
1598
1599                         if ($i == 0 || $i == -1 || $i == -2)
1600                                 $auxctr = getFeedArticles($i, false);
1601                         else
1602                                 $auxctr = 0;
1603
1604                         $cv = array("id" => $i,
1605                                 "counter" => (int) $count,
1606                                 "auxcounter" => (int) $auxctr);
1607
1608 //                      if (get_pref('EXTENDED_FEEDLIST'))
1609 //                              $cv["xmsg"] = getFeedArticles($i)." ".__("total");
1610
1611                         array_push($ret_arr, $cv);
1612                 }
1613
1614                 $feeds = PluginHost::getInstance()->get_feeds(-1);
1615
1616                 if (is_array($feeds)) {
1617                         foreach ($feeds as $feed) {
1618                                 $cv = array("id" => PluginHost::pfeed_to_feed_id($feed['id']),
1619                                         "counter" => $feed['sender']->get_unread($feed['id']));
1620
1621                                 if (method_exists($feed['sender'], 'get_total'))
1622                                         $cv["auxcounter"] = $feed['sender']->get_total($feed['id']);
1623
1624                                 array_push($ret_arr, $cv);
1625                         }
1626                 }
1627
1628                 return $ret_arr;
1629         }
1630
1631         function getLabelCounters($descriptions = false) {
1632
1633                 $ret_arr = array();
1634
1635                 $owner_uid = $_SESSION["uid"];
1636
1637                 $result = db_query("SELECT id,caption,SUM(CASE WHEN u1.unread = true THEN 1 ELSE 0 END) AS unread, COUNT(u1.unread) AS total
1638                         FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
1639                                 (ttrss_labels2.id = label_id)
1640                                 LEFT JOIN ttrss_user_entries AS u1 ON u1.ref_id = article_id
1641                                 WHERE ttrss_labels2.owner_uid = $owner_uid AND u1.owner_uid = $owner_uid
1642                                 GROUP BY ttrss_labels2.id,
1643                                         ttrss_labels2.caption");
1644
1645                 while ($line = db_fetch_assoc($result)) {
1646
1647                         $id = label_to_feed_id($line["id"]);
1648
1649                         $cv = array("id" => $id,
1650                                 "counter" => (int) $line["unread"],
1651                                 "auxcounter" => (int) $line["total"]);
1652
1653                         if ($descriptions)
1654                                 $cv["description"] = $line["caption"];
1655
1656                         array_push($ret_arr, $cv);
1657                 }
1658
1659                 return $ret_arr;
1660         }
1661
1662         function getFeedCounters($active_feed = false) {
1663
1664                 $ret_arr = array();
1665
1666                 $query = "SELECT ttrss_feeds.id,
1667                                 ttrss_feeds.title,
1668                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
1669                                 last_error, value AS count
1670                         FROM ttrss_feeds, ttrss_counters_cache
1671                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
1672                                 AND ttrss_counters_cache.owner_uid = ttrss_feeds.owner_uid
1673                                 AND ttrss_counters_cache.feed_id = id";
1674
1675                 $result = db_query($query);
1676
1677                 while ($line = db_fetch_assoc($result)) {
1678
1679                         $id = $line["id"];
1680                         $count = $line["count"];
1681                         $last_error = htmlspecialchars($line["last_error"]);
1682
1683                         $last_updated = make_local_datetime($line['last_updated'], false);
1684
1685                         $has_img = feed_has_icon($id);
1686
1687                         if (date('Y') - date('Y', strtotime($line['last_updated'])) > 2)
1688                                 $last_updated = '';
1689
1690                         $cv = array("id" => $id,
1691                                 "updated" => $last_updated,
1692                                 "counter" => (int) $count,
1693                                 "has_img" => (int) $has_img);
1694
1695                         if ($last_error)
1696                                 $cv["error"] = $last_error;
1697
1698 //                      if (get_pref('EXTENDED_FEEDLIST'))
1699 //                              $cv["xmsg"] = getFeedArticles($id)." ".__("total");
1700
1701                         if ($active_feed && $id == $active_feed)
1702                                 $cv["title"] = truncate_string($line["title"], 30);
1703
1704                         array_push($ret_arr, $cv);
1705
1706                 }
1707
1708                 return $ret_arr;
1709         }
1710
1711         function get_pgsql_version() {
1712                 $result = db_query("SELECT version() AS version");
1713                 $version = explode(" ", db_fetch_result($result, 0, "version"));
1714                 return $version[1];
1715         }
1716
1717         /**
1718          * @return array (code => Status code, message => error message if available)
1719          *
1720          *                 0 - OK, Feed already exists
1721          *                 1 - OK, Feed added
1722          *                 2 - Invalid URL
1723          *                 3 - URL content is HTML, no feeds available
1724          *                 4 - URL content is HTML which contains multiple feeds.
1725          *                     Here you should call extractfeedurls in rpc-backend
1726          *                     to get all possible feeds.
1727          *                 5 - Couldn't download the URL content.
1728          *                 6 - Content is an invalid XML.
1729          */
1730         function subscribe_to_feed($url, $cat_id = 0,
1731                         $auth_login = '', $auth_pass = '') {
1732
1733                 global $fetch_last_error;
1734                 global $fetch_last_error_content;
1735                 global $fetch_last_error_code;
1736
1737                 require_once "include/rssfuncs.php";
1738
1739                 $url = fix_url($url);
1740
1741                 if (!$url || !validate_feed_url($url)) return array("code" => 2);
1742
1743                 $contents = @fetch_file_contents($url, false, $auth_login, $auth_pass);
1744
1745                 if (!$contents) {
1746                         if (preg_match("/cloudflare\.com/", $fetch_last_error_content)) {
1747                                 $fetch_last_error .= " (feed behind Cloudflare)";
1748                         }
1749
1750                         return array("code" => 5, "message" => $fetch_last_error);
1751                 }
1752
1753                 foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SUBSCRIBE_FEED) as $plugin) {
1754                         $contents = $plugin->hook_subscribe_feed($contents, $url, $auth_login, $auth_pass);
1755                 }
1756
1757                 if (is_html($contents)) {
1758                         $feedUrls = get_feeds_from_html($url, $contents);
1759
1760                         if (count($feedUrls) == 0) {
1761                                 return array("code" => 3);
1762                         } else if (count($feedUrls) > 1) {
1763                                 return array("code" => 4, "feeds" => $feedUrls);
1764                         }
1765                         //use feed url as new URL
1766                         $url = key($feedUrls);
1767                 }
1768
1769                 if ($cat_id == "0" || !$cat_id) {
1770                         $cat_qpart = "NULL";
1771                 } else {
1772                         $cat_qpart = "'$cat_id'";
1773                 }
1774
1775                 $result = db_query(
1776                         "SELECT id FROM ttrss_feeds
1777                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
1778
1779                 $auth_pass_encrypted = 'false';
1780                 $auth_pass = db_escape_string($auth_pass);
1781
1782                 if (db_num_rows($result) == 0) {
1783                         $result = db_query(
1784                                 "INSERT INTO ttrss_feeds
1785                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass,update_method,auth_pass_encrypted)
1786                                 VALUES ('".$_SESSION["uid"]."', '$url',
1787                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass', 0, $auth_pass_encrypted)");
1788
1789                         $result = db_query(
1790                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
1791                                         AND owner_uid = " . $_SESSION["uid"]);
1792
1793                         $feed_id = db_fetch_result($result, 0, "id");
1794
1795                         if ($feed_id) {
1796                                 set_basic_feed_info($feed_id);
1797                         }
1798
1799                         return array("code" => 1, "feed_id" => (int) $feed_id);
1800                 } else {
1801                         return array("code" => 0, "feed_id" => (int) db_fetch_result($result, 0, "id"));
1802                 }
1803         }
1804
1805         function print_feed_select($id, $default_id = "",
1806                 $attributes = "", $include_all_feeds = true,
1807                 $root_id = false, $nest_level = 0) {
1808
1809                 if (!$root_id) {
1810                         print "<select id=\"$id\" name=\"$id\" $attributes>";
1811                         if ($include_all_feeds) {
1812                                 $is_selected = ("0" == $default_id) ? "selected=\"1\"" : "";
1813                                 print "<option $is_selected value=\"0\">".__('All feeds')."</option>";
1814                         }
1815                 }
1816
1817                 if (get_pref('ENABLE_FEED_CATS')) {
1818
1819                         if ($root_id)
1820                                 $parent_qpart = "parent_cat = '$root_id'";
1821                         else
1822                                 $parent_qpart = "parent_cat IS NULL";
1823
1824                         $result = db_query("SELECT id,title,
1825                                 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1826                                         c2.parent_cat = ttrss_feed_categories.id) AS num_children
1827                                 FROM ttrss_feed_categories
1828                                 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1829
1830                         while ($line = db_fetch_assoc($result)) {
1831
1832                                 for ($i = 0; $i < $nest_level; $i++)
1833                                         $line["title"] = " - " . $line["title"];
1834
1835                                 $is_selected = ("CAT:".$line["id"] == $default_id) ? "selected=\"1\"" : "";
1836
1837                                 printf("<option $is_selected value='CAT:%d'>%s</option>",
1838                                         $line["id"], htmlspecialchars($line["title"]));
1839
1840                                 if ($line["num_children"] > 0)
1841                                         print_feed_select($id, $default_id, $attributes,
1842                                                 $include_all_feeds, $line["id"], $nest_level+1);
1843
1844                                 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1845                                         WHERE cat_id = '".$line["id"]."' AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1846
1847                                 while ($fline = db_fetch_assoc($feed_result)) {
1848                                         $is_selected = ($fline["id"] == $default_id) ? "selected=\"1\"" : "";
1849
1850                                         $fline["title"] = " + " . $fline["title"];
1851
1852                                         for ($i = 0; $i < $nest_level; $i++)
1853                                                 $fline["title"] = " - " . $fline["title"];
1854
1855                                         printf("<option $is_selected value='%d'>%s</option>",
1856                                                 $fline["id"], htmlspecialchars($fline["title"]));
1857                                 }
1858                         }
1859
1860                         if (!$root_id) {
1861                                 $default_is_cat = ($default_id == "CAT:0");
1862                                 $is_selected = $default_is_cat ? "selected=\"1\"" : "";
1863
1864                                 printf("<option $is_selected value='CAT:0'>%s</option>",
1865                                         __("Uncategorized"));
1866
1867                                 $feed_result = db_query("SELECT id,title FROM ttrss_feeds
1868                                         WHERE cat_id IS NULL AND owner_uid = ".$_SESSION["uid"] . " ORDER BY title");
1869
1870                                 while ($fline = db_fetch_assoc($feed_result)) {
1871                                         $is_selected = ($fline["id"] == $default_id && !$default_is_cat) ? "selected=\"1\"" : "";
1872
1873                                         $fline["title"] = " + " . $fline["title"];
1874
1875                                         for ($i = 0; $i < $nest_level; $i++)
1876                                                 $fline["title"] = " - " . $fline["title"];
1877
1878                                         printf("<option $is_selected value='%d'>%s</option>",
1879                                                 $fline["id"], htmlspecialchars($fline["title"]));
1880                                 }
1881                         }
1882
1883                 } else {
1884                         $result = db_query("SELECT id,title FROM ttrss_feeds
1885                                 WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
1886
1887                         while ($line = db_fetch_assoc($result)) {
1888
1889                                 $is_selected = ($line["id"] == $default_id) ? "selected=\"1\"" : "";
1890
1891                                 printf("<option $is_selected value='%d'>%s</option>",
1892                                         $line["id"], htmlspecialchars($line["title"]));
1893                         }
1894                 }
1895
1896                 if (!$root_id) {
1897                         print "</select>";
1898                 }
1899         }
1900
1901         function print_feed_cat_select($id, $default_id,
1902                 $attributes, $include_all_cats = true, $root_id = false, $nest_level = 0) {
1903
1904                         if (!$root_id) {
1905                                         print "<select id=\"$id\" name=\"$id\" default=\"$default_id\" onchange=\"catSelectOnChange(this)\" $attributes>";
1906                         }
1907
1908                         if ($root_id)
1909                                 $parent_qpart = "parent_cat = '$root_id'";
1910                         else
1911                                 $parent_qpart = "parent_cat IS NULL";
1912
1913                         $result = db_query("SELECT id,title,
1914                                 (SELECT COUNT(id) FROM ttrss_feed_categories AS c2 WHERE
1915                                         c2.parent_cat = ttrss_feed_categories.id) AS num_children
1916                                 FROM ttrss_feed_categories
1917                                 WHERE owner_uid = ".$_SESSION["uid"]." AND $parent_qpart ORDER BY title");
1918
1919                         while ($line = db_fetch_assoc($result)) {
1920                                 if ($line["id"] == $default_id) {
1921                                         $is_selected = "selected=\"1\"";
1922                                 } else {
1923                                         $is_selected = "";
1924                                 }
1925
1926                                 for ($i = 0; $i < $nest_level; $i++)
1927                                         $line["title"] = " - " . $line["title"];
1928
1929                                 if ($line["title"])
1930                                         printf("<option $is_selected value='%d'>%s</option>",
1931                                                 $line["id"], htmlspecialchars($line["title"]));
1932
1933                                 if ($line["num_children"] > 0)
1934                                         print_feed_cat_select($id, $default_id, $attributes,
1935                                                 $include_all_cats, $line["id"], $nest_level+1);
1936                         }
1937
1938                         if (!$root_id) {
1939                                 if ($include_all_cats) {
1940                                         if (db_num_rows($result) > 0) {
1941                                                 print "<option disabled=\"1\">--------</option>";
1942                                         }
1943
1944                                         if ($default_id == 0) {
1945                                                 $is_selected = "selected=\"1\"";
1946                                         } else {
1947                                                 $is_selected = "";
1948                                         }
1949
1950                                         print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
1951                                 }
1952                                 print "</select>";
1953                         }
1954                 }
1955
1956         function checkbox_to_sql_bool($val) {
1957                 return ($val == "on") ? "true" : "false";
1958         }
1959
1960         function getFeedCatTitle($id) {
1961                 if ($id == -1) {
1962                         return __("Special");
1963                 } else if ($id < LABEL_BASE_INDEX) {
1964                         return __("Labels");
1965                 } else if ($id > 0) {
1966                         $result = db_query("SELECT ttrss_feed_categories.title
1967                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
1968                                         cat_id = ttrss_feed_categories.id");
1969                         if (db_num_rows($result) == 1) {
1970                                 return db_fetch_result($result, 0, "title");
1971                         } else {
1972                                 return __("Uncategorized");
1973                         }
1974                 } else {
1975                         return "getFeedCatTitle($id) failed";
1976                 }
1977
1978         }
1979
1980         function getFeedIcon($id) {
1981                 switch ($id) {
1982                 case 0:
1983                         return "images/archive.png";
1984                         break;
1985                 case -1:
1986                         return "images/star.png";
1987                         break;
1988                 case -2:
1989                         return "images/feed.png";
1990                         break;
1991                 case -3:
1992                         return "images/fresh.png";
1993                         break;
1994                 case -4:
1995                         return "images/folder.png";
1996                         break;
1997                 case -6:
1998                         return "images/time.png";
1999                         break;
2000                 default:
2001                         if ($id < LABEL_BASE_INDEX) {
2002                                 return "images/label.png";
2003                         } else {
2004                                 if (file_exists(ICONS_DIR . "/$id.ico"))
2005                                         return ICONS_URL . "/$id.ico";
2006                         }
2007                         break;
2008                 }
2009
2010                 return false;
2011         }
2012
2013         function getFeedTitle($id, $cat = false) {
2014                 if ($cat) {
2015                         return getCategoryTitle($id);
2016                 } else if ($id == -1) {
2017                         return __("Starred articles");
2018                 } else if ($id == -2) {
2019                         return __("Published articles");
2020                 } else if ($id == -3) {
2021                         return __("Fresh articles");
2022                 } else if ($id == -4) {
2023                         return __("All articles");
2024                 } else if ($id === 0 || $id === "0") {
2025                         return __("Archived articles");
2026                 } else if ($id == -6) {
2027                         return __("Recently read");
2028                 } else if ($id < LABEL_BASE_INDEX) {
2029                         $label_id = feed_to_label_id($id);
2030                         $result = db_query("SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
2031                         if (db_num_rows($result) == 1) {
2032                                 return db_fetch_result($result, 0, "caption");
2033                         } else {
2034                                 return "Unknown label ($label_id)";
2035                         }
2036
2037                 } else if (is_numeric($id) && $id > 0) {
2038                         $result = db_query("SELECT title FROM ttrss_feeds WHERE id = '$id'");
2039                         if (db_num_rows($result) == 1) {
2040                                 return db_fetch_result($result, 0, "title");
2041                         } else {
2042                                 return "Unknown feed ($id)";
2043                         }
2044                 } else {
2045                         return $id;
2046                 }
2047         }
2048
2049         function uniqid_short() {
2050                 return uniqid(base_convert(rand(), 10, 36));
2051         }
2052
2053         // TODO: less dumb splitting
2054         require_once "functions2.php";
2055
2056 ?>