/**
* @param \Cyh\Jose\Signing\Signer\SignerInterface $signer
* @param string $jwt_strings
* @param resource|string $key default null
* @param ValidateInterface[] $validators
* @return array
* @throws MalformedException
* @throws InvalidSignatureException
* @throws ValidateException
*/
public static function verify(SignerInterface $signer, $jwt_strings, $key = null, array $validators = array())
{
$jwt_arr = explode('.', $jwt_strings);
if (3 !== count($jwt_arr)) {
throw new MalformedException('Wrong number of segments');
}
$header_base64 = $jwt_arr[0];
$header = Header::fromString($header_base64);
// Do not determine algorithm by header.
if ($signer->getAlg() !== $header->getAlg()) {
throw new MalformedException('Invalid alg header');
}
$payload_base64 = $jwt_arr[1];
$message = $header_base64 . '.' . $payload_base64;
$signature = Base64Url::decode($jwt_arr[2]);
$signer->verify($message, $signature, $key);
$payload_json = Base64Url::decode($payload_base64);
$claims = Json::decode($payload_json);
foreach ($validators as $validator) {
if (!$validator instanceof ValidateInterface) {
throw new UnexpectedValueException('validator is must implement ValidateInterface');
}
if (!$validator->validate($claims)) {
throw new ValidateException('Validation failed. validator name: ' . $validator->getName());
}
}
return $claims;
}
public function testEncodeJsonInvalidParam()
{
if (version_compare(PHP_VERSION, '5.5.0', '>=')) {
$deep_array = array();
$depth = 0;
$deep_array = $this->_nestArray($deep_array, $depth);
$depth = 0;
$deep_array = $this->_nestArray($deep_array, $depth);
$depth = 0;
$deep_array = $this->_nestArray($deep_array, $depth);
$this->setExpectedException('Cyh\\Jose\\Exception\\UnexpectedValueException');
Json::encode($deep_array);
}
}
/**
* @return string
*/
public function __toString()
{
return Base64Url::encode(Json::encode($this->headers));
}
/**
* @expectedException Cyh\Jose\Signing\Exception\InvalidSignatureException
*/
public function testRS256ModifiedClaimExp()
{
$token_strings = Jwt::sign(new RS256(), $this->valid_claims, $this->rsa_prv_key);
list($h, $p, $s) = explode('.', $token_strings);
$payload = Json::decode(Base64Url::decode($p));
$payload['exp'] = time() + 86400;
$p = Base64Url::encode(Json::encode($payload));
$mod_token = "{$h}.{$p}.{$s}";
Jwt::verify(new RS256(), $mod_token, $this->rsa_pub_key);
}