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