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Mini Shell
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<?php
/**
* Nexmo Client Library for PHP
*
* @copyright Copyright (c) 2016 Nexmo, Inc. (http://nexmo.com)
* @license https://github.com/Nexmo/nexmo-php/blob/master/LICENSE.txt MIT License
*/
namespace Nexmo\Client\Credentials;
use Lcobucci\JWT\Builder;
use Lcobucci\JWT\Signer\Key;
use Lcobucci\JWT\Signer\Rsa\Sha256;
use Nexmo\Application\Application;
class Keypair extends AbstractCredentials implements CredentialsInterface
{
protected $key;
protected $signer;
public function __construct($privateKey, $application = null)
{
$this->credentials['key'] = $privateKey;
if($application){
if($application instanceof Application){
$application = $application->getId();
}
$this->credentials['application'] = $application;
}
$this->key = new Key($privateKey);
$this->signer = new Sha256();
}
public function generateJwt(array $claims = [])
{
$exp = time() + 60;
$iat = time();
$jti = base64_encode(mt_rand());
if(isset($claims['exp'])){
$exp = $claims['exp'];
unset($claims['exp']);
}
if(isset($claims['iat'])){
$iat = $claims['iat'];
unset($claims['iat']);
}
if(isset($claims['jti'])){
$jti = $claims['jti'];
unset($claims['jti']);
}
$builder = new Builder();
$builder->setIssuedAt($iat)
->setExpiration($exp)
->setId($jti);
if(isset($claims['nbf'])){
$builder->setNotBefore($claims['nbf']);
unset($claims['nbf']);
}
if(isset($this->credentials['application'])){
$builder->set('application_id', $this->credentials['application']);
}
if(!empty($claims)){
foreach($claims as $claim => $value){
$builder->set($claim, $value);
}
}
return $builder->sign($this->signer, $this->key)->getToken();
}
}
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