| public getKey ( $index ) : Jose\Object\JWKInterface | ||
| $index | ||
| return | Jose\Object\JWKInterface | |
/**
* @param array $payload
*
* @return string
*/
private function sign(array $payload)
{
$payload = array_merge($payload, $this->getAdditionalPayload());
$headers = $this->getSignatureHeaders();
$signature_key = $this->signature_jwkset->getKey(0);
if ($signature_key->has('kid')) {
$headers['kid'] = $signature_key->get('kid');
}
return $this->jwt_creator->sign($payload, $headers, $signature_key);
}
/**
* @param array $claims
* @param \OAuth2\Client\ClientInterface $client
*
* @return string
*/
private function signAndEncrypt($claims, ClientInterface $client)
{
$signature_key = $this->signature_key_set->getKey(0);
Assertion::notNull($signature_key, 'Unable to find a key to sign the userinfo response. Please verify the selected key set contains suitable keys.');
$jwt = $this->getJWTCreator()->sign($claims, ['typ' => 'JWT', 'alg' => $this->signature_algorithm], $signature_key);
if ($client->hasPublicKeySet() && $client->has('id_token_encrypted_response_alg') && $client->has('id_token_encrypted_response_enc')) {
$key_set = $client->getPublicKeySet();
$key = $key_set->selectKey('enc');
if (null !== $key) {
$jwt = $this->getJWTCreator()->encrypt($jwt, ['alg' => $client->get('id_token_encrypted_response_alg'), 'enc' => $client->get('id_token_encrypted_response_enc')], $key);
}
}
return $jwt;
}
/**
* {@inheritdoc}
*/
public function populateAccessToken(AccessTokenInterface &$access_token, ClientInterface $client, ResourceOwnerInterface $resource_owner, RefreshTokenInterface $refresh_token = null, ClientInterface $resource_server = null)
{
$payload = $this->preparePayload($access_token, $resource_server);
$signature_header = $this->prepareSignatureHeader();
$signature_key = $this->signature_key_set->getKey(0);
Assertion::notNull($signature_key, 'Unable to find a key to sign the Access Token. Please verify the selected key set contains suitable keys.');
$encryption_key = $this->key_encryption_key_set->getKey(0);
Assertion::notNull($signature_key, 'Unable to find a key to encrypt the Access Token. Please verify the selected key set contains suitable keys.');
$jwt = $this->getJWTCreator()->sign($payload, $signature_header, $signature_key);
$encryption_header = $this->prepareEncryptionHeader($client, $resource_server);
$recipient_key = $encryption_key;
$jwt = $this->getJWTCreator()->encrypt($jwt, $encryption_header, $recipient_key);
$access_token->setToken($jwt);
}
/**
* {@inheritdoc}
*/
public static function createFromKeySet(JWKSetInterface $jwk_set, $key_index)
{
Assertion::integer($key_index);
return $jwk_set->getKey($key_index);
}