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<?php
declare(strict_types=1);
namespace SimpleSAML\Module\core\Auth\Process;
/**
* Attribute filter for renaming attributes.
*
* @author Gyula Szabo MTA SZTAKI
* @package SimpleSAMLphp
*
* You just follow the 'source' => 'destination' schema. In this example user's * cn will be the user's displayName.
*
* 5 => array(
* 'class' => 'core:AttributeCopy',
* 'cn' => 'displayName',
* 'uid' => 'username',
* ),
*
*/
class AttributeCopy extends \SimpleSAML\Auth\ProcessingFilter
{
/**
* Assosiative array with the mappings of attribute names.
* @var array
*/
private $map = [];
/**
* Initialize this filter, parse configuration
*
* @param array &$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));
foreach ($config as $source => $destination) {
if (!is_string($source)) {
throw new \Exception('Invalid source attribute name: ' . var_export($source, true));
}
if (!is_string($destination) && !is_array($destination)) {
throw new \Exception('Invalid destination attribute name: ' . var_export($destination, true));
}
$this->map[$source] = $destination;
}
}
/**
* Apply filter to rename attributes.
*
* @param array &$request The current request
* @return void
*/
public function process(&$request)
{
assert(is_array($request));
assert(array_key_exists('Attributes', $request));
$attributes = &$request['Attributes'];
foreach ($attributes as $name => $values) {
if (array_key_exists($name, $this->map)) {
if (!is_array($this->map[$name])) {
$attributes[$this->map[$name]] = $values;
} else {
foreach ($this->map[$name] as $to_map) {
$attributes[$to_map] = $values;
}
}
}
}
}
}
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