[ "pgsql", Config::T_STRING ], Config::DB_HOST => [ "db", Config::T_STRING ], Config::DB_USER => [ "", Config::T_STRING ], Config::DB_NAME => [ "", Config::T_STRING ], Config::DB_PASS => [ "", Config::T_STRING ], Config::DB_PORT => [ "5432", Config::T_STRING ], Config::MYSQL_CHARSET => [ "UTF8", Config::T_STRING ], Config::SELF_URL_PATH => [ "", Config::T_STRING ], Config::SINGLE_USER_MODE => [ "", Config::T_BOOL ], Config::SIMPLE_UPDATE_MODE => [ "", Config::T_BOOL ], Config::PHP_EXECUTABLE => [ "/usr/bin/php", Config::T_STRING ], Config::LOCK_DIRECTORY => [ "lock", Config::T_STRING ], Config::CACHE_DIR => [ "cache", Config::T_STRING ], Config::ICONS_DIR => [ "feed-icons", Config::T_STRING ], Config::ICONS_URL => [ "feed-icons", Config::T_STRING ], Config::AUTH_AUTO_CREATE => [ "true", Config::T_BOOL ], Config::AUTH_AUTO_LOGIN => [ "true", Config::T_BOOL ], Config::FORCE_ARTICLE_PURGE => [ 0, Config::T_INT ], Config::SESSION_COOKIE_LIFETIME => [ 86400, Config::T_INT ], Config::SMTP_FROM_NAME => [ "Tiny Tiny RSS", Config::T_STRING ], Config::SMTP_FROM_ADDRESS => [ "noreply@localhost", Config::T_STRING ], Config::DIGEST_SUBJECT => [ "[tt-rss] New headlines for last 24 hours", Config::T_STRING ], Config::CHECK_FOR_UPDATES => [ "true", Config::T_BOOL ], Config::PLUGINS => [ "auth_internal", Config::T_STRING ], Config::LOG_DESTINATION => [ "sql", Config::T_STRING ], Config::LOCAL_OVERRIDE_STYLESHEET => [ "local-overrides.css", Config::T_STRING ], Config::DAEMON_MAX_CHILD_RUNTIME => [ 1800, Config::T_STRING ], Config::DAEMON_MAX_JOBS => [ 2, Config::T_INT ], Config::FEED_FETCH_TIMEOUT => [ 45, Config::T_INT ], Config::FEED_FETCH_NO_CACHE_TIMEOUT => [ 15, Config::T_INT ], Config::FILE_FETCH_TIMEOUT => [ 45, Config::T_INT ], Config::FILE_FETCH_CONNECT_TIMEOUT => [ 15, Config::T_INT ], Config::DAEMON_UPDATE_LOGIN_LIMIT => [ 30, Config::T_INT ], Config::DAEMON_FEED_LIMIT => [ 500, Config::T_INT ], Config::DAEMON_SLEEP_INTERVAL => [ 120, Config::T_INT ], Config::MAX_CACHE_FILE_SIZE => [ 64*1024*1024, Config::T_INT ], Config::MAX_DOWNLOAD_FILE_SIZE => [ 16*1024*1024, Config::T_INT ], Config::MAX_FAVICON_FILE_SIZE => [ 1*1024*1024, Config::T_INT ], Config::CACHE_MAX_DAYS => [ 7, Config::T_INT ], Config::MAX_CONDITIONAL_INTERVAL => [ 3600*12, Config::T_INT ], Config::DAEMON_UNSUCCESSFUL_DAYS_LIMIT => [ 30, Config::T_INT ], Config::LOG_SENT_MAIL => [ "", Config::T_BOOL ], Config::HTTP_PROXY => [ "", Config::T_STRING ], Config::FORBID_PASSWORD_CHANGES => [ "", Config::T_BOOL ], Config::SESSION_NAME => [ "ttrss_sid", Config::T_STRING ], ]; private static $instance; private $params = []; private $schema_version = null; private $version = []; public static function get_instance() : Config { if (self::$instance == null) self::$instance = new self(); return self::$instance; } private function __clone() { // } function __construct() { $ref = new ReflectionClass(get_class($this)); foreach ($ref->getConstants() as $const => $cvalue) { if (isset($this::_DEFAULTS[$const])) { $override = getenv($this::_ENVVAR_PREFIX . $const); list ($defval, $deftype) = $this::_DEFAULTS[$const]; $this->params[$cvalue] = [ self::cast_to(!empty($override) ? $override : $defval, $deftype), $deftype ]; } } } /* package maintainers who don't use git: if version_static.txt exists in tt-rss root directory, its contents are displayed instead of git commit-based version, this could be generated based on source git tree commit used when creating the package */ static function get_version(bool $as_string = true) { return self::get_instance()->_get_version($as_string); } private function _get_version(bool $as_string = true) { $root_dir = dirname(__DIR__); if (empty($this->version)) { $this->version["status"] = -1; if (PHP_OS === "Darwin") { $ttrss_version["version"] = "UNKNOWN (Unsupported, Darwin)"; } else if (file_exists("$root_dir/version_static.txt")) { $this->version["version"] = trim(file_get_contents("$root_dir/version_static.txt")) . " (Unsupported)"; } else if (is_dir("$root_dir/.git")) { $this->version = self::get_version_from_git($root_dir); if ($this->version["status"] != 0) { user_error("Unable to determine version: " . $this->version["version"], E_USER_WARNING); $this->version["version"] = "UNKNOWN (Unsupported, Git error)"; } } else { $this->version["version"] = "UNKNOWN (Unsupported)"; } } return $as_string ? $this->version["version"] : $this->version; } static function get_version_from_git(string $dir) { $descriptorspec = [ 1 => ["pipe", "w"], // STDOUT 2 => ["pipe", "w"], // STDERR ]; $rv = [ "status" => -1, "version" => "", "commit" => "", "timestamp" => 0, ]; $proc = proc_open("git --no-pager log --pretty=\"version-%ct-%h\" -n1 HEAD", $descriptorspec, $pipes, $dir); if (is_resource($proc)) { $stdout = trim(stream_get_contents($pipes[1])); $stderr = trim(stream_get_contents($pipes[2])); $status = proc_close($proc); $rv["status"] = $status; list($check, $timestamp, $commit) = explode("-", $stdout); if ($check == "version") { $rv["version"] = strftime("%y.%m", (int)$timestamp) . "-$commit"; $rv["commit"] = $commit; $rv["timestamp"] = $timestamp; // proc_close() may return -1 even if command completed successfully // so if it looks like we got valid data, we ignore it if ($rv["status"] == -1) $rv["status"] = 0; } else { $rv["version"] = T_sprintf("Git error [RC=%d]: %s", $status, $stderr); } } return $rv; } static function get_schema_version(bool $nocache = false) { return self::get_instance()->_schema_version($nocache); } function _schema_version(bool $nocache = false) { if (empty($this->schema_version) || $nocache) { $row = Db::pdo()->query("SELECT schema_version FROM ttrss_version")->fetch(); $this->schema_version = (int) $row["schema_version"]; } return $this->schema_version; } static function cast_to(string $value, int $type_hint) { switch ($type_hint) { case self::T_BOOL: return sql_bool_to_bool($value); case self::T_INT: return (int) $value; default: return $value; } } private function _get(string $param) { list ($value, $type_hint) = $this->params[$param]; return $this->cast_to($value, $type_hint); } private function _add(string $param, string $default, int $type_hint) { $override = getenv($this::_ENVVAR_PREFIX . $param); $this->params[$param] = [ self::cast_to(!empty($override) ? $override : $default, $type_hint), $type_hint ]; } static function add(string $param, string $default, int $type_hint = Config::T_STRING) { $instance = self::get_instance(); return $instance->_add($param, $default, $type_hint); } static function get(string $param) { $instance = self::get_instance(); return $instance->_get($param); } // this returns Config::SELF_URL_PATH sans ending slash static function get_self_url() { $self_url_path = self::get(Config::SELF_URL_PATH); if (substr($self_url_path, -1) === "/") { return substr($self_url_path, 0, -1); } else { return $self_url_path; } } static function is_server_https() { return (!empty($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] != 'off')) || (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https'); } static function make_self_url() { $proto = self::is_server_https() ? 'https' : 'http'; return $proto . '://' . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]; } /* sanity check stuff */ private static function make_self_url_path() { if (!isset($_SERVER["HTTP_HOST"])) return false; $proto = self::is_server_https() ? 'https' : 'http'; $url_path = $proto . '://' . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH); return $url_path; } private static function check_mysql_tables() { $pdo = Db::pdo(); $sth = $pdo->prepare("SELECT engine, table_name FROM information_schema.tables WHERE table_schema = ? AND table_name LIKE 'ttrss_%' AND engine != 'InnoDB'"); $sth->execute([self::get(Config::DB_NAME)]); $bad_tables = []; while ($line = $sth->fetch()) { array_push($bad_tables, $line); } return $bad_tables; } static function sanity_check() { /* we don't actually need the DB object right now but some checks below might use ORM which won't be initialized because it is set up in the Db constructor, which is why it's a good idea to invoke it as early as possible it is a bit of a hack, maybe ORM should be initialized somewhere else (functions.php?) */ $pdo = Db::pdo(); $errors = array(); if (strpos(self::get(Config::PLUGINS), "auth_") === false) { array_push($errors, "Please enable at least one authentication module via PLUGINS"); } if (function_exists('posix_getuid') && posix_getuid() == 0) { array_push($errors, "Please don't run this script as root."); } if (version_compare(PHP_VERSION, '7.1.0', '<')) { array_push($errors, "PHP version 7.1.0 or newer required. You're using " . PHP_VERSION . "."); } if (!class_exists("UConverter")) { array_push($errors, "PHP UConverter class is missing, it's provided by the Internationalization (intl) module."); } if (!is_writable(self::get(Config::CACHE_DIR) . "/images")) { array_push($errors, "Image cache is not writable (chmod -R 777 ".self::get(Config::CACHE_DIR)."/images)"); } if (!is_writable(self::get(Config::CACHE_DIR) . "/upload")) { array_push($errors, "Upload cache is not writable (chmod -R 777 ".self::get(Config::CACHE_DIR)."/upload)"); } if (!is_writable(self::get(Config::CACHE_DIR) . "/export")) { array_push($errors, "Data export cache is not writable (chmod -R 777 ".self::get(Config::CACHE_DIR)."/export)"); } if (self::get(Config::SINGLE_USER_MODE) && class_exists("PDO")) { if (UserHelper::get_login_by_id(1) != "admin") { array_push($errors, "SINGLE_USER_MODE is enabled but default admin account (ID: 1) is not found."); } } if (php_sapi_name() != "cli") { $ref_self_url_path = self::make_self_url_path(); if ($ref_self_url_path) { $ref_self_url_path = preg_replace("/\w+\.php$/", "", $ref_self_url_path); } if (self::get(Config::SELF_URL_PATH) == "http://example.org/tt-rss/") { $hint = $ref_self_url_path ? "(possible value: $ref_self_url_path)" : ""; array_push($errors, "Please set SELF_URL_PATH to the correct value for your server: $hint"); } if ($ref_self_url_path && (!defined('_SKIP_SELF_URL_PATH_CHECKS') || !_SKIP_SELF_URL_PATH_CHECKS) && self::get(Config::SELF_URL_PATH) != $ref_self_url_path && self::get(Config::SELF_URL_PATH) != mb_substr($ref_self_url_path, 0, mb_strlen($ref_self_url_path)-1)) { array_push($errors, "Please set SELF_URL_PATH to the correct value detected for your server: $ref_self_url_path (you're using: " . self::get(Config::SELF_URL_PATH) . ")"); } } if (!is_writable(self::get(Config::ICONS_DIR))) { array_push($errors, "ICONS_DIR defined in config.php is not writable (chmod -R 777 ".self::get(Config::ICONS_DIR).").\n"); } if (!is_writable(self::get(Config::LOCK_DIRECTORY))) { array_push($errors, "LOCK_DIRECTORY is not writable (chmod -R 777 ".self::get(Config::LOCK_DIRECTORY).").\n"); } if (!function_exists("curl_init") && !ini_get("allow_url_fopen")) { array_push($errors, "PHP configuration option allow_url_fopen is disabled, and CURL functions are not present. Either enable allow_url_fopen or install PHP extension for CURL."); } if (!function_exists("json_encode")) { array_push($errors, "PHP support for JSON is required, but was not found."); } if (!class_exists("PDO")) { array_push($errors, "PHP support for PDO is required but was not found."); } if (!function_exists("mb_strlen")) { array_push($errors, "PHP support for mbstring functions is required but was not found."); } if (!function_exists("hash")) { array_push($errors, "PHP support for hash() function is required but was not found."); } if (ini_get("safe_mode")) { array_push($errors, "PHP safe mode setting is obsolete and not supported by tt-rss."); } if (!function_exists("mime_content_type")) { array_push($errors, "PHP function mime_content_type() is missing, try enabling fileinfo module."); } if (!class_exists("DOMDocument")) { array_push($errors, "PHP support for DOMDocument is required, but was not found."); } if (self::get(Config::DB_TYPE) == "mysql") { $bad_tables = self::check_mysql_tables(); if (count($bad_tables) > 0) { $bad_tables_fmt = []; foreach ($bad_tables as $bt) { array_push($bad_tables_fmt, sprintf("%s (%s)", $bt['table_name'], $bt['engine'])); } $msg = "

The following tables use an unsupported MySQL engine: " . implode(", ", $bad_tables_fmt) . ".

"; $msg .= "

The only supported engine on MySQL is InnoDB. MyISAM lacks functionality to run tt-rss. Please backup your data (via OPML) and re-import the schema before continuing.

WARNING: importing the schema would mean LOSS OF ALL YOUR DATA.

"; array_push($errors, $msg); } } if (count($errors) > 0 && php_sapi_name() != "cli") { ?> Startup failed

Startup failed

Please fix errors indicated by the following messages:

You might want to check tt-rss wiki or the forums for more information. Please search the forums before creating new topic for your question.

0) { echo "Please fix errors indicated by the following messages:\n\n"; foreach ($errors as $error) { echo " * " . strip_tags($error)."\n"; } echo "\nYou might want to check tt-rss wiki or the forums for more information.\n"; echo "Please search the forums before creating new topic for your question.\n"; exit(1); } } private static function format_error($msg) { return "
$msg
"; } }