168 lines
6.7 KiB
PHP
168 lines
6.7 KiB
PHP
<?php
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class Config {
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private const _ENVVAR_PREFIX = "TTRSS_";
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const T_BOOL = 1;
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const T_STRING = 2;
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const T_INT = 3;
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// override defaults, defined below in _DEFAULTS[], via environment: DB_TYPE becomes TTRSS_DB_TYPE, etc
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const DB_TYPE = "DB_TYPE";
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const DB_HOST = "DB_HOST";
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const DB_USER = "DB_USER";
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const DB_NAME = "DB_NAME";
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const DB_PASS = "DB_PASS";
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const DB_PORT = "DB_PORT";
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const MYSQL_CHARSET = "MYSQL_CHARSET";
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const SELF_URL_PATH = "SELF_URL_PATH";
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const SINGLE_USER_MODE = "SINGLE_USER_MODE";
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const SIMPLE_UPDATE_MODE = "SIMPLE_UPDATE_MODE";
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const PHP_EXECUTABLE = "PHP_EXECUTABLE";
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const LOCK_DIRECTORY = "LOCK_DIRECTORY";
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const CACHE_DIR = "CACHE_DIR";
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const ICONS_DIR = "ICONS_DIR";
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const ICONS_URL = "ICONS_URL";
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const AUTH_AUTO_CREATE = "AUTH_AUTO_CREATE";
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const AUTH_AUTO_LOGIN = "AUTH_AUTO_LOGIN";
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const FORCE_ARTICLE_PURGE = "FORCE_ARTICLE_PURGE";
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const SESSION_COOKIE_LIFETIME = "SESSION_COOKIE_LIFETIME";
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const SMTP_FROM_NAME = "SMTP_FROM_NAME";
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const SMTP_FROM_ADDRESS = "SMTP_FROM_ADDRESS";
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const DIGEST_SUBJECT = "DIGEST_SUBJECT";
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const CHECK_FOR_UPDATES = "CHECK_FOR_UPDATES";
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const PLUGINS = "PLUGINS";
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const LOG_DESTINATION = "LOG_DESTINATION";
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const LOCAL_OVERRIDE_STYLESHEET = "LOCAL_OVERRIDE_STYLESHEET";
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const DAEMON_MAX_CHILD_RUNTIME = "DAEMON_MAX_CHILD_RUNTIME";
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const DAEMON_MAX_JOBS = "DAEMON_MAX_JOBS";
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const FEED_FETCH_TIMEOUT = "FEED_FETCH_TIMEOUT";
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const FEED_FETCH_NO_CACHE_TIMEOUT = "FEED_FETCH_NO_CACHE_TIMEOUT";
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const FILE_FETCH_TIMEOUT = "FILE_FETCH_TIMEOUT";
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const FILE_FETCH_CONNECT_TIMEOUT = "FILE_FETCH_CONNECT_TIMEOUT";
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const DAEMON_UPDATE_LOGIN_LIMIT = "DAEMON_UPDATE_LOGIN_LIMIT";
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const DAEMON_FEED_LIMIT = "DAEMON_FEED_LIMIT";
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const DAEMON_SLEEP_INTERVAL = "DAEMON_SLEEP_INTERVAL";
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const MAX_CACHE_FILE_SIZE = "MAX_CACHE_FILE_SIZE";
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const MAX_DOWNLOAD_FILE_SIZE = "MAX_DOWNLOAD_FILE_SIZE";
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const MAX_FAVICON_FILE_SIZE = "MAX_FAVICON_FILE_SIZE";
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const CACHE_MAX_DAYS = "CACHE_MAX_DAYS";
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const MAX_CONDITIONAL_INTERVAL = "MAX_CONDITIONAL_INTERVAL";
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const DAEMON_UNSUCCESSFUL_DAYS_LIMIT = "DAEMON_UNSUCCESSFUL_DAYS_LIMIT";
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const LOG_SENT_MAIL = "LOG_SENT_MAIL";
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const HTTP_PROXY = "HTTP_PROXY";
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const FORBID_PASSWORD_CHANGES = "FORBID_PASSWORD_CHANGES";
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const SESSION_NAME = "SESSION_NAME";
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private const _DEFAULTS = [
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Config::DB_TYPE => [ "pgsql", Config::T_STRING ],
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Config::DB_HOST => [ "db", Config::T_STRING ],
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Config::DB_USER => [ "", Config::T_STRING ],
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Config::DB_NAME => [ "", Config::T_STRING ],
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Config::DB_PASS => [ "", Config::T_STRING ],
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Config::DB_PORT => [ "5432", Config::T_STRING ],
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Config::MYSQL_CHARSET => [ "UTF8", Config::T_STRING ],
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Config::SELF_URL_PATH => [ "", Config::T_STRING ],
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Config::SINGLE_USER_MODE => [ "", Config::T_BOOL ],
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Config::SIMPLE_UPDATE_MODE => [ "", Config::T_BOOL ],
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Config::PHP_EXECUTABLE => [ "/usr/bin/php", Config::T_STRING ],
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Config::LOCK_DIRECTORY => [ "lock", Config::T_STRING ],
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Config::CACHE_DIR => [ "cache", Config::T_STRING ],
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Config::ICONS_DIR => [ "feed-icons", Config::T_STRING ],
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Config::ICONS_URL => [ "feed-icons", Config::T_STRING ],
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Config::AUTH_AUTO_CREATE => [ "true", Config::T_BOOL ],
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Config::AUTH_AUTO_LOGIN => [ "true", Config::T_BOOL ],
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Config::FORCE_ARTICLE_PURGE => [ 0, Config::T_INT ],
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Config::SESSION_COOKIE_LIFETIME => [ 86400, Config::T_INT ],
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Config::SMTP_FROM_NAME => [ "Tiny Tiny RSS", Config::T_STRING ],
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Config::SMTP_FROM_ADDRESS => [ "noreply@localhost", Config::T_STRING ],
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Config::DIGEST_SUBJECT => [ "[tt-rss] New headlines for last 24 hours",
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Config::T_STRING ],
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Config::CHECK_FOR_UPDATES => [ "true", Config::T_BOOL ],
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Config::PLUGINS => [ "auth_internal", Config::T_STRING ],
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Config::LOG_DESTINATION => [ "sql", Config::T_STRING ],
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Config::LOCAL_OVERRIDE_STYLESHEET => [ "local-overrides.css",
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Config::T_STRING ],
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Config::DAEMON_MAX_CHILD_RUNTIME => [ 1800, Config::T_STRING ],
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Config::DAEMON_MAX_JOBS => [ 2, Config::T_INT ],
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Config::FEED_FETCH_TIMEOUT => [ 45, Config::T_INT ],
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Config::FEED_FETCH_NO_CACHE_TIMEOUT => [ 15, Config::T_INT ],
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Config::FILE_FETCH_TIMEOUT => [ 45, Config::T_INT ],
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Config::FILE_FETCH_CONNECT_TIMEOUT => [ 15, Config::T_INT ],
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Config::DAEMON_UPDATE_LOGIN_LIMIT => [ 30, Config::T_INT ],
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Config::DAEMON_FEED_LIMIT => [ 500, Config::T_INT ],
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Config::DAEMON_SLEEP_INTERVAL => [ 120, Config::T_INT ],
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Config::MAX_CACHE_FILE_SIZE => [ 64*1024*1024, Config::T_INT ],
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Config::MAX_DOWNLOAD_FILE_SIZE => [ 16*1024*1024, Config::T_INT ],
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Config::MAX_FAVICON_FILE_SIZE => [ 1*1024*1024, Config::T_INT ],
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Config::CACHE_MAX_DAYS => [ 7, Config::T_INT ],
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Config::MAX_CONDITIONAL_INTERVAL => [ 3600*12, Config::T_INT ],
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Config::DAEMON_UNSUCCESSFUL_DAYS_LIMIT => [ 30, Config::T_INT ],
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Config::LOG_SENT_MAIL => [ "", Config::T_BOOL ],
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Config::HTTP_PROXY => [ "", Config::T_STRING ],
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Config::FORBID_PASSWORD_CHANGES => [ "", Config::T_BOOL ],
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Config::SESSION_NAME => [ "ttrss_sid", Config::T_STRING ],
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];
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private static $instance;
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private $params = [];
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public static function get_instance() {
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if (self::$instance == null)
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self::$instance = new self();
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return self::$instance;
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}
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function __construct() {
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$ref = new ReflectionClass(get_class($this));
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foreach ($ref->getConstants() as $const => $cvalue) {
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if (isset($this::_DEFAULTS[$const])) {
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$override = getenv($this::_ENVVAR_PREFIX . $const);
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list ($defval, $deftype) = $this::_DEFAULTS[$const];
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$this->params[$cvalue] = [ self::cast_to(!empty($override) ? $override : $defval, $deftype), $deftype ];
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}
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}
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}
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static function cast_to(string $value, int $type_hint) {
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switch ($type_hint) {
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case self::T_BOOL:
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return sql_bool_to_bool($value);
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case self::T_INT:
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return (int) $value;
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default:
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return $value;
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}
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}
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private function _get(string $param) {
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list ($value, $type_hint) = $this->params[$param];
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return $this->cast_to($value, $type_hint);
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}
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private function _add(string $param, string $default, int $type_hint) {
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$override = getenv($this::_ENVVAR_PREFIX . $param);
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$this->params[$param] = [ self::cast_to(!empty($override) ? $override : $default, $type_hint), $type_hint ];
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}
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static function add(string $param, string $default, int $type_hint = Config::T_STRING) {
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$instance = self::get_instance();
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return $instance->_add($param, $default, $type_hint);
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}
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static function get(string $param) {
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$instance = self::get_instance();
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return $instance->_get($param);
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}
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}
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