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<?php
declare(strict_types=1);
namespace SimpleSAML\Module\core\Auth\Process;
use SimpleSAML\Locale\Language;
use SimpleSAML\Logger;
/**
* Filter to set and get language settings from attributes.
*
* @author Andreas Åkre Solberg, UNINETT AS.
* @package SimpleSAMLphp
*/
class LanguageAdaptor extends \SimpleSAML\Auth\ProcessingFilter
{
/** @var string */
private $langattr = 'preferredLanguage';
/**
* Initialize this filter.
*
* @param array &$config Configuration information about this filter.
* @param mixed $reserved For future use.
*/
public function __construct(&$config, $reserved)
{
parent::__construct($config, $reserved);
assert(is_array($config));
if (array_key_exists('attributename', $config)) {
$this->langattr = $config['attributename'];
}
}
/**
* Apply filter to add or replace attributes.
*
* Add or replace existing attributes with the configured values.
*
* @param array &$request The current request
* @return void
*/
public function process(&$request)
{
assert(is_array($request));
assert(array_key_exists('Attributes', $request));
$attributes = &$request['Attributes'];
$attrlang = null;
if (array_key_exists($this->langattr, $attributes)) {
$attrlang = $attributes[$this->langattr][0];
}
$lang = Language::getLanguageCookie();
if (isset($attrlang)) {
Logger::debug('LanguageAdaptor: Language in attribute was set [' . $attrlang . ']');
}
if (isset($lang)) {
Logger::debug('LanguageAdaptor: Language in session was set [' . $lang . ']');
}
if (isset($attrlang) && !isset($lang)) {
// Language set in attribute but not in cookie - update cookie
Language::setLanguageCookie($attrlang);
} elseif (!isset($attrlang) && isset($lang)) {
// Language set in cookie, but not in attribute. Update attribute
$request['Attributes'][$this->langattr] = [$lang];
}
}
}
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