public static function loadPrivateKey(\SimpleSAML_Configuration $metadata, $required = false, $prefix = '')
{
if (!is_bool($required) || !is_string($prefix)) {
throw new \InvalidArgumentException('Invalid input parameters.');
}
$file = $metadata->getString($prefix . 'privatekey', null);
if ($file === null) {
// no private key found
if ($required) {
throw new \SimpleSAML_Error_Exception('No private key found in metadata.');
} else {
return null;
}
}
$file = Config::getCertPath($file);
$data = @file_get_contents($file);
if ($data === false) {
throw new \SimpleSAML_Error_Exception('Unable to load private key from file "' . $file . '"');
}
$ret = array('PEM' => $data);
if ($metadata->hasValue($prefix . 'privatekey_pass')) {
$ret['password'] = $metadata->getString($prefix . 'privatekey_pass');
}
return $ret;
}
