/**
* Returns the signature from given data
*
* @param array $header
* @param string $data
*
* @return Signature
*/
protected function parseSignature(array $header, $data)
{
if ($data == '' || !isset($header['alg']) || $header['alg'] == 'none') {
return null;
}
$hash = $this->deserializer->fromBase64URL($data);
return new Signature($hash);
}
/**
* {@inheritdoc}
*/
public function decode($token)
{
$parser = new Parser();
$token = $parser->parse($token);
try {
if (true === $token->verify(new Sha512(), $this->secret)) {
$serializer = new Serializer();
$deserializer = new Deserializer();
$claims = $token->getClaims();
return (array) $deserializer->fromJSON($serializer->toJSON($claims));
} else {
return false;
}
} catch (\BadMethodCallException $e) {
return false;
}
}
