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config: add a type hint system

This commit is contained in:
Andrew Dolgov 2021-02-23 16:58:48 +03:00
parent 9e2e12dff8
commit ab4dafa4be
1 changed files with 74 additions and 55 deletions
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129
classes/config.php
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@ -2,6 +2,10 @@
class Config { class Config {
private const _ENVVAR_PREFIX = "TTRSS_"; private const _ENVVAR_PREFIX = "TTRSS_";
const T_BOOL = 1;
const T_STRING = 2;
const T_INT = 3;
// override defaults, defined below in _DEFAULTS[], via environment: DB_TYPE becomes TTRSS_DB_TYPE, etc // override defaults, defined below in _DEFAULTS[], via environment: DB_TYPE becomes TTRSS_DB_TYPE, etc
const DB_TYPE = "DB_TYPE"; const DB_TYPE = "DB_TYPE";
@ -22,7 +26,6 @@ class Config {
const AUTH_AUTO_CREATE = "AUTH_AUTO_CREATE"; const AUTH_AUTO_CREATE = "AUTH_AUTO_CREATE";
const AUTH_AUTO_LOGIN = "AUTH_AUTO_LOGIN"; const AUTH_AUTO_LOGIN = "AUTH_AUTO_LOGIN";
const FORCE_ARTICLE_PURGE = "FORCE_ARTICLE_PURGE"; const FORCE_ARTICLE_PURGE = "FORCE_ARTICLE_PURGE";
const ENABLE_REGISTRATION = "ENABLE_REGISTRATION";
const SESSION_COOKIE_LIFETIME = "SESSION_COOKIE_LIFETIME"; const SESSION_COOKIE_LIFETIME = "SESSION_COOKIE_LIFETIME";
const SMTP_FROM_NAME = "SMTP_FROM_NAME"; const SMTP_FROM_NAME = "SMTP_FROM_NAME";
const SMTP_FROM_ADDRESS = "SMTP_FROM_ADDRESS"; const SMTP_FROM_ADDRESS = "SMTP_FROM_ADDRESS";
@ -52,52 +55,53 @@ class Config {
const TTRSS_SESSION_NAME = "TTRSS_SESSION_NAME"; const TTRSS_SESSION_NAME = "TTRSS_SESSION_NAME";
private const _DEFAULTS = [ private const _DEFAULTS = [
Config::DB_TYPE => "pgsql", Config::DB_TYPE => [ "pgsql", Config::T_STRING ],
Config::DB_HOST => "db", Config::DB_HOST => [ "db", Config::T_STRING ],
Config::DB_USER => "", Config::DB_USER => [ "", Config::T_STRING ],
Config::DB_NAME => "", Config::DB_NAME => [ "", Config::T_STRING ],
Config::DB_PASS => "", Config::DB_PASS => [ "", Config::T_STRING ],
Config::DB_PORT => "5432", Config::DB_PORT => [ "5432", Config::T_STRING ],
Config::MYSQL_CHARSET => "UTF8", Config::MYSQL_CHARSET => [ "UTF8", Config::T_STRING ],
Config::SELF_URL_PATH => "", Config::SELF_URL_PATH => [ "", Config::T_STRING ],
Config::SINGLE_USER_MODE => "", Config::SINGLE_USER_MODE => [ "", Config::T_BOOL ],
Config::SIMPLE_UPDATE_MODE => "", Config::SIMPLE_UPDATE_MODE => [ "", Config::T_BOOL ],
Config::PHP_EXECUTABLE => "/usr/bin/php", Config::PHP_EXECUTABLE => [ "/usr/bin/php", Config::T_STRING ],
Config::LOCK_DIRECTORY => "lock", Config::LOCK_DIRECTORY => [ "lock", Config::T_STRING ],
Config::CACHE_DIR => "cache", Config::CACHE_DIR => [ "cache", Config::T_STRING ],
Config::ICONS_DIR => "feed-icons", Config::ICONS_DIR => [ "feed-icons", Config::T_STRING ],
Config::ICONS_URL => "feed-icons", Config::ICONS_URL => [ "feed-icons", Config::T_STRING ],
Config::AUTH_AUTO_CREATE => "true", Config::AUTH_AUTO_CREATE => [ "true", Config::T_BOOL ],
Config::AUTH_AUTO_LOGIN => "true", Config::AUTH_AUTO_LOGIN => [ "true", Config::T_BOOL ],
Config::FORCE_ARTICLE_PURGE => 0, Config::FORCE_ARTICLE_PURGE => [ 0, Config::T_INT ],
Config::ENABLE_REGISTRATION => "", Config::SESSION_COOKIE_LIFETIME => [ 86400, Config::T_INT ],
Config::SESSION_COOKIE_LIFETIME => 86400, Config::SMTP_FROM_NAME => [ "Tiny Tiny RSS", Config::T_STRING ],
Config::SMTP_FROM_NAME => "Tiny Tiny RSS", Config::SMTP_FROM_ADDRESS => [ "noreply@localhost", Config::T_STRING ],
Config::SMTP_FROM_ADDRESS => "noreply@localhost", Config::DIGEST_SUBJECT => [ "[tt-rss] New headlines for last 24 hours",
Config::DIGEST_SUBJECT => "[tt-rss] New headlines for last 24 hours", Config::T_STRING ],
Config::CHECK_FOR_UPDATES => "true", Config::CHECK_FOR_UPDATES => [ "true", Config::T_BOOL ],
Config::PLUGINS => "auth_internal", Config::PLUGINS => [ "auth_internal", Config::T_STRING ],
Config::LOG_DESTINATION => "sql", Config::LOG_DESTINATION => [ "sql", Config::T_STRING ],
Config::LOCAL_OVERRIDE_STYLESHEET => "local-overrides.css", Config::LOCAL_OVERRIDE_STYLESHEET => [ "local-overrides.css",
Config::DAEMON_MAX_CHILD_RUNTIME => 1800, Config::T_STRING ],
Config::DAEMON_MAX_JOBS => 2, Config::DAEMON_MAX_CHILD_RUNTIME => [ 1800, Config::T_STRING ],
Config::FEED_FETCH_TIMEOUT => 45, Config::DAEMON_MAX_JOBS => [ 2, Config::T_INT ],
Config::FEED_FETCH_NO_CACHE_TIMEOUT => 15, Config::FEED_FETCH_TIMEOUT => [ 45, Config::T_INT ],
Config::FILE_FETCH_TIMEOUT => 45, Config::FEED_FETCH_NO_CACHE_TIMEOUT => [ 15, Config::T_INT ],
Config::FILE_FETCH_CONNECT_TIMEOUT => 15, Config::FILE_FETCH_TIMEOUT => [ 45, Config::T_INT ],
Config::DAEMON_UPDATE_LOGIN_LIMIT => 30, Config::FILE_FETCH_CONNECT_TIMEOUT => [ 15, Config::T_INT ],
Config::DAEMON_FEED_LIMIT => 500, Config::DAEMON_UPDATE_LOGIN_LIMIT => [ 30, Config::T_INT ],
Config::DAEMON_SLEEP_INTERVAL => 120, Config::DAEMON_FEED_LIMIT => [ 500, Config::T_INT ],
Config::MAX_CACHE_FILE_SIZE => 64*1024*1024, Config::DAEMON_SLEEP_INTERVAL => [ 120, Config::T_INT ],
Config::MAX_DOWNLOAD_FILE_SIZE => 16*1024*1024, Config::MAX_CACHE_FILE_SIZE => [ 64*1024*1024, Config::T_INT ],
Config::MAX_FAVICON_FILE_SIZE => 1*1024*1024, Config::MAX_DOWNLOAD_FILE_SIZE => [ 16*1024*1024, Config::T_INT ],
Config::CACHE_MAX_DAYS => 7, Config::MAX_FAVICON_FILE_SIZE => [ 1*1024*1024, Config::T_INT ],
Config::MAX_CONDITIONAL_INTERVAL => 3600*12, Config::CACHE_MAX_DAYS => [ 7, Config::T_INT ],
Config::DAEMON_UNSUCCESSFUL_DAYS_LIMIT => 30, Config::MAX_CONDITIONAL_INTERVAL => [ 3600*12, Config::T_INT ],
Config::LOG_SENT_MAIL => "", Config::DAEMON_UNSUCCESSFUL_DAYS_LIMIT => [ 30, Config::T_INT ],
Config::HTTP_PROXY => "", Config::LOG_SENT_MAIL => [ "", Config::T_BOOL ],
Config::FORBID_PASSWORD_CHANGES => "", Config::HTTP_PROXY => [ "", Config::T_STRING ],
Config::TTRSS_SESSION_NAME => "ttrss_sid", Config::FORBID_PASSWORD_CHANGES => [ "", Config::T_BOOL ],
Config::TTRSS_SESSION_NAME => [ "ttrss_sid", Config::T_STRING ],
]; ];
private static $instance; private static $instance;
@ -115,28 +119,43 @@ class Config {
$ref = new ReflectionClass(get_class($this)); $ref = new ReflectionClass(get_class($this));
foreach ($ref->getConstants() as $const => $cvalue) { foreach ($ref->getConstants() as $const => $cvalue) {
if (strpos($const, "_") !== 0) { if (isset($this::_DEFAULTS[$const])) {
$override = getenv($this::_ENVVAR_PREFIX . $const); $override = getenv($this::_ENVVAR_PREFIX . $const);
$this->params[$cvalue] = !empty($override) ? $override : $this::_DEFAULTS[$const]; list ($defval, $deftype) = $this::_DEFAULTS[$const];
$this->params[$cvalue] = [ $this->cast_to(!empty($override) ? $override : $defval, $deftype), $deftype ];
} }
} }
} }
private function _get(string $param) { private function cast_to(string $value, int $type_hint) {
return $this->params[$param]; 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 _add(string $param, string $default) { 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); $override = getenv($this::_ENVVAR_PREFIX . $param);
$this->params[$param] = !empty($override) ? $override : $default; $this->params[$param] = [ $this->cast_to(!empty($override) ? $override : $default, $type_hint), $type_hint ];
} }
static function add(string $param, string $default) { static function add(string $param, string $default, int $type_hint = Config::T_STRING) {
$instance = self::get_instance(); $instance = self::get_instance();
return $instance->_add($param, $default); return $instance->_add($param, $default, $type_hint);
} }
static function get(string $param) { static function get(string $param) {