protected function extract($segment, $as_binary = false)
{
$stringified = JOSE_URLSafeBase64::decode($segment);
if ($as_binary) {
$extracted = $stringified;
} else {
$extracted = json_decode($stringified);
if ($stringified !== 'null' && $extracted === null) {
throw new JOSE_Exception_InvalidFormat('Compact de-serialization failed');
}
}
return $extracted;
}
function toKey()
{
switch ($this->components['kty']) {
case 'RSA':
$rsa = new RSA();
$n = new BigInteger('0x' . bin2hex(JOSE_URLSafeBase64::decode($this->components['n'])), 16);
$e = new BigInteger('0x' . bin2hex(JOSE_URLSafeBase64::decode($this->components['e'])), 16);
if (array_key_exists('d', $this->components)) {
throw new JOSE_Exception_UnexpectedAlgorithm('RSA private key isn\'t supported');
} else {
$pem_string = $rsa->_convertPublicKey($n, $e);
}
$rsa->loadKey($pem_string);
return $rsa;
default:
throw new JOSE_Exception_UnexpectedAlgorithm('Unknown key type');
}
}
function postCheck($post, &$result)
{
$result = array();
$raw = json_decode($post, true);
// adds my public key
$public_key = new RSA();
$public_key->loadKey(file_get_contents('pub.key'));
$jwk = JOSE_JWK::encode($public_key);
//print_r($jwk);
$jwt = new JOSE_JWT();
$jwt->raw = $raw["protected"] . "." . $raw["payload"] . "." . $raw["signature"];
$jwt->header = json_decode(JOSE_URLSafeBase64::decode($raw["protected"]), true);
$jwt->claims = json_decode(JOSE_URLSafeBase64::decode($raw["payload"]), true);
$jwt->signature = JOSE_URLSafeBase64::decode($raw["signature"]);
// echo "S:\n"; echo JOSE_URLSafeBase64::decode($raw["signature"]);
file_put_contents("/tmp/jwt", print_r($jwt, true));
//print_r($jwt);
print_r($jwt->verify($public_key));
}
