<?php define('LABEL_BASE_INDEX', -1024); define('PLUGIN_FEED_BASE_INDEX', -128); /** constant is @deprecated, use Config::SCHEMA_VERSION instead */ define('SCHEMA_VERSION', Config::SCHEMA_VERSION); if (version_compare(PHP_VERSION, '8.0.0', '<')) { libxml_disable_entity_loader(true); } libxml_use_internal_errors(true); // separate test because this is included before sanity checks if (function_exists("mb_internal_encoding")) mb_internal_encoding("UTF-8"); date_default_timezone_set('UTC'); if (defined('E_DEPRECATED')) { error_reporting(E_ALL & ~E_NOTICE & ~E_DEPRECATED); } else { error_reporting(E_ALL & ~E_NOTICE); } ini_set('display_errors', "false"); ini_set('display_startup_errors', "false"); // config.php is optional if (stream_resolve_include_path("config.php")) require_once "config.php"; require_once "autoload.php"; if (Config::get(Config::DB_TYPE) == "pgsql") { define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE'); } else { define('SUBSTRING_FOR_DATE', 'SUBSTRING'); } function get_pref(string $pref_name, int $owner_uid = null) { return Prefs::get($pref_name, $owner_uid ? $owner_uid : $_SESSION["uid"], $_SESSION["profile"] ?? null); } function set_pref(string $pref_name, $value, int $owner_uid = null, bool $strip_tags = true) { return Prefs::set($pref_name, $value, $owner_uid ? $owner_uid : $_SESSION["uid"], $_SESSION["profile"] ?? null, $strip_tags); } function get_translations() { $t = array( "auto" => __("Detect automatically"), "ar_SA" => "العربيّة (Arabic)", "bg_BG" => "Bulgarian", "da_DA" => "Dansk", "ca_CA" => "Català", "cs_CZ" => "Česky", "en_US" => "English", "el_GR" => "Ελληνικά", "es_ES" => "Español (España)", "es_LA" => "Español", "de_DE" => "Deutsch", "fa" => "Persian (Farsi)", "fr_FR" => "Français", "hu_HU" => "Magyar (Hungarian)", "it_IT" => "Italiano", "ja_JP" => "日本語 (Japanese)", "lv_LV" => "Latviešu", "nb_NO" => "Norwegian bokmål", "nl_NL" => "Dutch", "pl_PL" => "Polski", "ru_RU" => "Русский", "pt_BR" => "Portuguese/Brazil", "pt_PT" => "Portuguese/Portugal", "zh_CN" => "Simplified Chinese", "zh_TW" => "Traditional Chinese", "uk_UA" => "Українська", "sv_SE" => "Svenska", "fi_FI" => "Suomi", "tr_TR" => "Türkçe"); return $t; } require_once "lib/gettext/gettext.inc.php"; function startup_gettext() { $selected_locale = ""; // https://www.codingwithjesse.com/blog/use-accept-language-header/ if (!empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) { $valid_langs = []; $translations = array_keys(get_translations()); array_shift($translations); // remove "auto" // full locale first foreach ($translations as $t) { $lang = strtolower(str_replace("_", "-", (string)$t)); $valid_langs[$lang] = $t; $lang = substr($lang, 0, 2); if (!isset($valid_langs[$lang])) $valid_langs[$lang] = $t; } // break up string into pieces (languages and q factors) preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', $_SERVER['HTTP_ACCEPT_LANGUAGE'], $lang_parse); if (count($lang_parse[1])) { // create a list like "en" => 0.8 $langs = array_combine($lang_parse[1], $lang_parse[4]); if (is_array($langs)) { // set default to 1 for any without q factor foreach ($langs as $lang => $val) { if ($val === '') $langs[$lang] = 1; } // sort list based on value arsort($langs, SORT_NUMERIC); foreach (array_keys($langs) as $lang) { $lang = strtolower($lang); foreach ($valid_langs as $vlang => $vlocale) { if ($vlang == $lang) { $selected_locale = $vlocale; break 2; } } } } } } if (!empty($_SESSION["uid"]) && get_schema_version() >= 120) { $pref_locale = get_pref(Prefs::USER_LANGUAGE, $_SESSION["uid"]); if (!empty($pref_locale) && $pref_locale != 'auto') { $selected_locale = $pref_locale; } } if ($selected_locale) { if (defined('LC_MESSAGES')) { _setlocale(LC_MESSAGES, $selected_locale); } else if (defined('LC_ALL')) { _setlocale(LC_ALL, $selected_locale); } _bindtextdomain("messages", "locale"); _textdomain("messages"); _bind_textdomain_codeset("messages", "UTF-8"); } } require_once 'controls.php'; require_once 'controls_compat.php'; ini_set('user_agent', Config::get_user_agent()); /* compat shims */ /** function is @deprecated by Config::get_version() */ function get_version() { return Config::get_version(); } /** function is @deprecated by Config::get_schema_version() */ function get_schema_version() { return Config::get_schema_version(); } /** function is @deprecated by Debug::log() */ function _debug($msg) { Debug::log($msg); } /** function is @deprecated */ function getFeedUnread($feed, $is_cat = false) { return Feeds::_get_counters($feed, $is_cat, true, $_SESSION["uid"]); } /** function is @deprecated by Sanitizer::sanitize() */ function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false, $highlight_words = false, $article_id = false) { return Sanitizer::sanitize($str, $force_remove_images, $owner, $site_url, $highlight_words, $article_id); } /** function is @deprecated by UrlHelper::fetch() */ function fetch_file_contents($params) { return UrlHelper::fetch($params); } /** function is @deprecated by UrlHelper::rewrite_relative() */ function rewrite_relative_url($base_url, $rel_url) { return UrlHelper::rewrite_relative($base_url, $rel_url); } /** function is @deprecated by UrlHelper::validate() */ function validate_url($url) { return UrlHelper::validate($url); } /** function is @deprecated by UserHelper::authenticate() */ function authenticate_user($login, $password, $check_only = false, $service = false) { return UserHelper::authenticate($login, $password, $check_only, $service); } /** function is @deprecated by TimeHelper::smart_date_time() */ function smart_date_time($timestamp, $tz_offset = 0, $owner_uid = false, $eta_min = false) { return TimeHelper::smart_date_time($timestamp, $tz_offset, $owner_uid, $eta_min); } /** function is @deprecated by TimeHelper::make_local_datetime() */ function make_local_datetime($timestamp, $long, $owner_uid = false, $no_smart_dt = false, $eta_min = false) { return TimeHelper::make_local_datetime($timestamp, $long, $owner_uid, $no_smart_dt, $eta_min); } // this returns Config::SELF_URL_PATH sans ending slash /** function is @deprecated by Config::get_self_url() */ function get_self_url_prefix() { return Config::get_self_url(); } /* end compat shims */ // this is used for user http parameters unless HTML code is actually needed function clean($param) { if (is_array($param)) { return array_map("trim", array_map("strip_tags", $param)); } else if (is_string($param)) { return trim(strip_tags($param)); } else { return $param; } } function with_trailing_slash(string $str) : string { if (substr($str, -1) === "/") { return $str; } else { return "$str/"; } } function make_password($length = 12) { $password = ""; $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ*%+^"; $i = 0; while ($i < $length) { try { $idx = function_exists("random_int") ? random_int(0, strlen($possible) - 1) : mt_rand(0, strlen($possible) - 1); } catch (Exception $e) { $idx = mt_rand(0, strlen($possible) - 1); } $char = substr($possible, $idx, 1); if (!strstr($password, $char)) { $password .= $char; $i++; } } return $password; } function validate_csrf($csrf_token) { return isset($csrf_token) && hash_equals($_SESSION['csrf_token'] ?? "", $csrf_token); } function truncate_string($str, $max_len, $suffix = '…') { if (mb_strlen($str, "utf-8") > $max_len) { return mb_substr($str, 0, $max_len, "utf-8") . $suffix; } else { return $str; } } function mb_substr_replace($original, $replacement, $position, $length) { $startString = mb_substr($original, 0, $position, "UTF-8"); $endString = mb_substr($original, $position + $length, mb_strlen($original), "UTF-8"); $out = $startString . $replacement . $endString; return $out; } function truncate_middle($str, $max_len, $suffix = '…') { if (mb_strlen($str) > $max_len) { return mb_substr_replace($str, $suffix, $max_len / 2, mb_strlen($str) - $max_len); } else { return $str; } } function sql_bool_to_bool($s) { return $s && ($s !== "f" && $s !== "false"); //no-op for PDO, backwards compat for legacy layer } function bool_to_sql_bool($s) { return $s ? 1 : 0; } function file_is_locked($filename) { if (file_exists(Config::get(Config::LOCK_DIRECTORY) . "/$filename")) { if (function_exists('flock')) { $fp = @fopen(Config::get(Config::LOCK_DIRECTORY) . "/$filename", "r"); if ($fp) { if (flock($fp, LOCK_EX | LOCK_NB)) { flock($fp, LOCK_UN); fclose($fp); return false; } fclose($fp); return true; } else { return false; } } return true; // consider the file always locked and skip the test } else { return false; } } function make_lockfile($filename) { $fp = fopen(Config::get(Config::LOCK_DIRECTORY) . "/$filename", "w"); if ($fp && flock($fp, LOCK_EX | LOCK_NB)) { $stat_h = fstat($fp); $stat_f = stat(Config::get(Config::LOCK_DIRECTORY) . "/$filename"); if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') { if ($stat_h["ino"] != $stat_f["ino"] || $stat_h["dev"] != $stat_f["dev"]) { return false; } } if (function_exists('posix_getpid')) { fwrite($fp, posix_getpid() . "\n"); } return $fp; } else { return false; } } function checkbox_to_sql_bool($val) { return ($val == "on") ? 1 : 0; } function uniqid_short() { return uniqid(base_convert((string)rand(), 10, 36)); } function T_sprintf() { $args = func_get_args(); return vsprintf(__(array_shift($args)), $args); } function T_nsprintf() { $args = func_get_args(); return vsprintf(_ngettext(array_shift($args), array_shift($args), array_shift($args)), $args); } function init_plugins() { PluginHost::getInstance()->load(Config::get(Config::PLUGINS), PluginHost::KIND_ALL); return true; } if (!function_exists('gzdecode')) { function gzdecode($string) { // no support for 2nd argument return file_get_contents('compress.zlib://data:who/cares;base64,'. base64_encode($string)); } } function get_random_bytes($length) { if (function_exists('random_bytes')) { return random_bytes($length); } else if (function_exists('openssl_random_pseudo_bytes')) { return openssl_random_pseudo_bytes($length); } else { $output = ""; for ($i = 0; $i < $length; $i++) $output .= chr(mt_rand(0, 255)); return $output; } } function read_stdin() { $fp = fopen("php://stdin", "r"); if ($fp) { $line = trim(fgets($fp)); fclose($fp); return $line; } return null; } function implements_interface($class, $interface) { return in_array($interface, class_implements($class)); } function get_theme_path($theme) { $check = "themes/$theme"; if (file_exists($check)) return $check; $check = "themes.local/$theme"; if (file_exists($check)) return $check; return ""; } function theme_exists($theme) { return file_exists("themes/$theme") || file_exists("themes.local/$theme"); } function arr_qmarks($arr) { return str_repeat('?,', count($arr) - 1) . '?'; } function get_scripts_timestamp() { $files = glob("js/*.js"); $ts = 0; foreach ($files as $file) { $file_ts = filemtime($file); if ($file_ts > $ts) $ts = $file_ts; } return $ts; }