rss-bridge/lib/Configuration.php
2018-11-10 19:51:37 +01:00

128 lines
4.3 KiB
PHP

<?php
class Configuration {
public static $VERSION = 'dev.2018-11-10';
public static $config = null;
public static function verifyInstallation() {
// Check PHP version
if(version_compare(PHP_VERSION, '5.6.0') === -1)
die('RSS-Bridge requires at least PHP version 5.6.0!');
// extensions check
if(!extension_loaded('openssl'))
die('"openssl" extension not loaded. Please check "php.ini"');
if(!extension_loaded('libxml'))
die('"libxml" extension not loaded. Please check "php.ini"');
if(!extension_loaded('mbstring'))
die('"mbstring" extension not loaded. Please check "php.ini"');
if(!extension_loaded('simplexml'))
die('"simplexml" extension not loaded. Please check "php.ini"');
if(!extension_loaded('curl'))
die('"curl" extension not loaded. Please check "php.ini"');
if(!extension_loaded('json'))
die('"json" extension not loaded. Please check "php.ini"');
// Check cache folder permissions (write permissions required)
if(!is_writable(PATH_CACHE))
die('RSS-Bridge does not have write permissions for ' . PATH_CACHE . '!');
// Check whitelist file permissions
if(!file_exists(WHITELIST) && !is_writable(dirname(WHITELIST)))
die('RSS-Bridge does not have write permissions for ' . WHITELIST . '!');
}
public static function loadConfiguration() {
if(!file_exists('config.default.ini.php'))
die('The default configuration file "config.default.ini.php" is missing!');
Configuration::$config = parse_ini_file('config.default.ini.php', true, INI_SCANNER_TYPED);
if(!Configuration::$config)
die('Error parsing config.default.ini.php');
if(file_exists('config.ini.php')) {
// Replace default configuration with custom settings
foreach(parse_ini_file('config.ini.php', true, INI_SCANNER_TYPED) as $header => $section) {
foreach($section as $key => $value) {
// Skip unknown sections and keys
if(array_key_exists($header, Configuration::$config) && array_key_exists($key, Configuration::$config[$header])) {
Configuration::$config[$header][$key] = $value;
}
}
}
}
if(!is_string(self::getConfig('proxy', 'url')))
die('Parameter [proxy] => "url" is not a valid string! Please check "config.ini.php"!');
if(!empty(self::getConfig('proxy', 'url')))
define('PROXY_URL', self::getConfig('proxy', 'url'));
if(!is_bool(self::getConfig('proxy', 'by_bridge')))
die('Parameter [proxy] => "by_bridge" is not a valid Boolean! Please check "config.ini.php"!');
define('PROXY_BYBRIDGE', self::getConfig('proxy', 'by_bridge'));
if(!is_string(self::getConfig('proxy', 'name')))
die('Parameter [proxy] => "name" is not a valid string! Please check "config.ini.php"!');
define('PROXY_NAME', self::getConfig('proxy', 'name'));
if(!is_bool(self::getConfig('cache', 'custom_timeout')))
die('Parameter [cache] => "custom_timeout" is not a valid Boolean! Please check "config.ini.php"!');
define('CUSTOM_CACHE_TIMEOUT', self::getConfig('cache', 'custom_timeout'));
if(!is_bool(self::getConfig('authentication', 'enable')))
die('Parameter [authentication] => "enable" is not a valid Boolean! Please check "config.ini.php"!');
if(!is_string(self::getConfig('authentication', 'username')))
die('Parameter [authentication] => "username" is not a valid string! Please check "config.ini.php"!');
if(!is_string(self::getConfig('authentication', 'password')))
die('Parameter [authentication] => "password" is not a valid string! Please check "config.ini.php"!');
if(!empty(self::getConfig('admin', 'email'))
&& !filter_var(self::getConfig('admin', 'email'), FILTER_VALIDATE_EMAIL))
die('Parameter [admin] => "email" is not a valid email address! Please check "config.ini.php"!');
}
public static function getConfig($category, $key) {
if(array_key_exists($category, self::$config) && array_key_exists($key, self::$config[$category])) {
return self::$config[$category][$key];
}
return null;
}
public static function getVersion() {
$headFile = '.git/HEAD';
// '@' is used to mute open_basedir warning
if(@is_readable($headFile)) {
$revisionHashFile = '.git/' . substr(file_get_contents($headFile), 5, -1);
$branchName = explode('/', $revisionHashFile)[3];
if(file_exists($revisionHashFile)) {
return 'git.' . $branchName . '.' . substr(file_get_contents($revisionHashFile), 0, 7);
}
}
return Configuration::$VERSION;
}
}