diff options
Diffstat (limited to 'classes/config.php')
| -rw-r--r-- | classes/config.php | 342 |
1 files changed, 331 insertions, 11 deletions
diff --git a/classes/config.php b/classes/config.php index ee1d3cb4a..567a019c6 100644 --- a/classes/config.php +++ b/classes/config.php @@ -6,6 +6,8 @@ class Config { const T_STRING = 2; const T_INT = 3; + const SCHEMA_VERSION = 144; + // override defaults, defined below in _DEFAULTS[], via environment: DB_TYPE becomes TTRSS_DB_TYPE, etc const DB_TYPE = "DB_TYPE"; @@ -53,6 +55,8 @@ class Config { const HTTP_PROXY = "HTTP_PROXY"; const FORBID_PASSWORD_CHANGES = "FORBID_PASSWORD_CHANGES"; const SESSION_NAME = "SESSION_NAME"; + const CHECK_FOR_PLUGIN_UPDATES = "CHECK_FOR_PLUGIN_UPDATES"; + const ENABLE_PLUGIN_INSTALLER = "ENABLE_PLUGIN_INSTALLER"; private const _DEFAULTS = [ Config::DB_TYPE => [ "pgsql", Config::T_STRING ], @@ -80,10 +84,10 @@ class Config { 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::LOG_DESTINATION => [ Logger::LOG_DEST_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_CHILD_RUNTIME => [ 1800, Config::T_INT ], 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 ], @@ -102,12 +106,18 @@ class Config { Config::HTTP_PROXY => [ "", Config::T_STRING ], Config::FORBID_PASSWORD_CHANGES => [ "", Config::T_BOOL ], Config::SESSION_NAME => [ "ttrss_sid", Config::T_STRING ], + Config::CHECK_FOR_PLUGIN_UPDATES => [ "true", Config::T_BOOL ], + Config::ENABLE_PLUGIN_INSTALLER => [ "true", Config::T_BOOL ], ]; private static $instance; private $params = []; private $schema_version = null; + private $version = []; + + /** @var Db_Migrations $migrations */ + private $migrations; public static function get_instance() : Config { if (self::$instance == null) @@ -129,23 +139,109 @@ class Config { list ($defval, $deftype) = $this::_DEFAULTS[$const]; - $this->params[$cvalue] = [ self::cast_to(!empty($override) ? $override : $defval, $deftype), $deftype ]; + $this->params[$cvalue] = [ self::cast_to($override !== false ? $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_schema_version(bool $nocache = false) { - return self::get_instance()->_schema_version($nocache); + 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; } - function _schema_version(bool $nocache = false) { - if (empty($this->schema_version) || $nocache) { - $row = Db::pdo()->query("SELECT schema_version FROM ttrss_version")->fetch(); + static function get_migrations() : Db_Migrations { + return self::get_instance()->_get_migrations(); + } - $this->schema_version = (int) $row["schema_version"]; + private function _get_migrations() : Db_Migrations { + if (empty($this->migrations)) { + $this->migrations = new Db_Migrations(); + $this->migrations->initialize(dirname(__DIR__) . "/sql", "ttrss_version", true, self::SCHEMA_VERSION); } - return $this->schema_version; + return $this->migrations; + } + + static function is_migration_needed() : bool { + return self::get_migrations()->is_migration_needed(); + } + + static function get_schema_version() : int { + return self::get_migrations()->get_version(); } static function cast_to(string $value, int $type_hint) { @@ -168,7 +264,7 @@ class Config { 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 ]; + $this->params[$param] = [ self::cast_to($override !== false ? $override : $default, $type_hint), $type_hint ]; } static function add(string $param, string $default, int $type_hint = Config::T_STRING) { @@ -183,4 +279,228 @@ class Config { return $instance->_get($param); } + /** this returns Config::SELF_URL_PATH sans trailing slash */ + static function get_self_url() : string { + $self_url_path = self::get(Config::SELF_URL_PATH); + + if (substr($self_url_path, -1) === "/") { + return substr($self_url_path, 0, -1); + } else { + return $self_url_path; + } + } + + static function is_server_https() : bool { + return (!empty($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] != 'off')) || + (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https'); + } + + /** generates reference self_url_path (no trailing slash) */ + static function make_self_url() : string { + $proto = self::is_server_https() ? 'https' : 'http'; + $self_url_path = $proto . '://' . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]; + + $self_url_path = preg_replace("/\w+\.php(\?.*$)?$/", "", $self_url_path); + + if (substr($self_url_path, -1) === "/") { + return substr($self_url_path, 0, -1); + } else { + return $self_url_path; + } + } + + /* sanity check stuff */ + + 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(); + + $errors = []; + + if (strpos(self::get(Config::PLUGINS), "auth_") === false) { + array_push($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($errors, "SINGLE_USER_MODE is enabled but default admin account (ID: 1) is not found."); + } + } + + if (php_sapi_name() != "cli") { + + if (self::get_schema_version() < 0) { + array_push($errors, "Base database schema is missing. Either load it manually or perform a migration (<code>update.php --update-schema</code>)"); + } + + $ref_self_url_path = self::make_self_url(); + + if ($ref_self_url_path) { + $ref_self_url_path = preg_replace("/\w+\.php$/", "", $ref_self_url_path); + } + + if (self::get_self_url() == "http://example.org/tt-rss") { + $hint = $ref_self_url_path ? "(possible value: <b>$ref_self_url_path</b>)" : ""; + array_push($errors, + "Please set SELF_URL_PATH to the correct value for your server: $hint"); + } + + if (self::get_self_url() != $ref_self_url_path) { + array_push($errors, + "Please set SELF_URL_PATH to the correct value detected for your server: <b>$ref_self_url_path</b> (you're using: <b>" . self::get_self_url() . "</b>)"); + } + } + + if (!is_writable(self::get(Config::ICONS_DIR))) { + array_push($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 = "<p>The following tables use an unsupported MySQL engine: <b>" . + implode(", ", $bad_tables_fmt) . "</b>.</p>"; + + $msg .= "<p>The only supported engine on MySQL is InnoDB. MyISAM lacks functionality to run + tt-rss. + Please backup your data (via OPML) and re-import the schema before continuing.</p> + <p><b>WARNING: importing the schema would mean LOSS OF ALL YOUR DATA.</b></p>"; + + + array_push($errors, $msg); + } + } + + if (count($errors) > 0 && php_sapi_name() != "cli") { ?> + <!DOCTYPE html> + <html> + <head> + <title>Startup failed</title> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <link rel="stylesheet" type="text/css" href="themes/light.css"> + </head> + <body class="sanity_failed flat ttrss_utility"> + <div class="content"> + <h1>Startup failed</h1> + + <p>Please fix errors indicated by the following messages:</p> + + <?php foreach ($errors as $error) { echo self::format_error($error); } ?> + + <p>You might want to check tt-rss <a target="_blank" href="https://tt-rss.org/wiki.php">wiki</a> or the + <a target="_blank" href="https://community.tt-rss.org/">forums</a> for more information. Please search the forums before creating new topic + for your question.</p> + </div> + </body> + </html> + + <?php + die; + } else if (count($errors) > 0) { + echo "Please fix errors indicated by the following messages:\n\n"; + + foreach ($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($msg) { + return "<div class=\"alert alert-danger\">$msg</div>"; + } } |