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<?php
namespace OAuth2\Encryption;
/**
* Bridge file to use the firebase/php-jwt package for JWT encoding and decoding.
* @author Francis Chuang <francis.chuang@gmail.com>
*/
class FirebaseJwt implements EncryptionInterface
{
public function __construct()
{
if (!class_exists('\JWT')) {
throw new \ErrorException('firebase/php-jwt must be installed to use this feature. You can do this by running "composer require firebase/php-jwt"');
}
}
public function encode($payload, $key, $alg = 'HS256', $keyId = null)
{
return \JWT::encode($payload, $key, $alg, $keyId);
}
public function decode($jwt, $key = null, $allowedAlgorithms = null)
{
try {
//Maintain BC: Do not verify if no algorithms are passed in.
if (!$allowedAlgorithms) {
$key = null;
}
return (array)\JWT::decode($jwt, $key, $allowedAlgorithms);
} catch (\Exception $e) {
return false;
}
}
public function urlSafeB64Encode($data)
{
return \JWT::urlsafeB64Encode($data);
}
public function urlSafeB64Decode($b64)
{
return \JWT::urlsafeB64Decode($b64);
}
}
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