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<?php |
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declare(strict_types=1); |
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/* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2014-2018 Spomky-Labs |
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* |
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* This software may be modified and distributed under the terms |
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* of the MIT license. See the LICENSE file for details. |
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*/ |
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namespace Jose\Component\Encryption; |
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use Jose\Component\Encryption\Serializer\JWESerializerManager; |
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use Jose\Component\Signature\JWSBuilder; |
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use Jose\Component\Signature\Serializer\JWSSerializerManager; |
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class NestedTokenBuilder |
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{ |
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/** |
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* @var JWSBuilder |
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*/ |
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private $jwsBuilder; |
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/** |
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* @var JWSSerializerManager |
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*/ |
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private $jwsSerializerManager; |
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/** |
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* @var JWEBuilder |
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*/ |
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private $jweBuilder; |
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/** |
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* @var JWESerializerManager |
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*/ |
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private $jweSerializerManager; |
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/** |
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* NestedTokenBuilder constructor. |
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* |
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* @param JWEBuilder $jweBuilder |
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* @param JWESerializerManager $jweSerializerManager |
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* @param JWSBuilder $jwsBuilder |
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* @param JWSSerializerManager $jwsSerializerManager |
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*/ |
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public function __construct(JWEBuilder $jweBuilder, JWESerializerManager $jweSerializerManager, JWSBuilder $jwsBuilder, JWSSerializerManager $jwsSerializerManager) |
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{ |
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$this->jweBuilder = $jweBuilder; |
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$this->jwsSerializerManager = $jwsSerializerManager; |
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$this->jwsBuilder = $jwsBuilder; |
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$this->jweSerializerManager = $jweSerializerManager; |
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} |
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/** |
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* @param string $payload |
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* @param array[] $signatures |
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* @param string $jws_serialization_mode |
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* @param array $jweSharedProtectedHeader |
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* @param array $jweSharedHeader |
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* @param array[] $recipients |
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* @param string $jwe_serialization_mode |
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* @param string|null $aad |
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* |
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* @throws \Exception |
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* |
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* @return string |
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*/ |
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public function create(string $payload, array $signatures, string $jws_serialization_mode, array $jweSharedProtectedHeader, array $jweSharedHeader, array $recipients, string $jwe_serialization_mode, ?string $aad = null): string |
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{ |
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$jws = $this->jwsBuilder->create()->withPayload($payload); |
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foreach ($signatures as $signature) { |
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if (!is_array($signature) || !array_key_exists('key', $signature)) { |
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throw new \InvalidArgumentException('The signatures must be an array of arrays containing a key, a protected header and a header'); |
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} |
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$signature['protected_header'] = array_key_exists('protected_header', $signature) ? $signature['protected_header'] : []; |
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$signature['header'] = array_key_exists('header', $signature) ? $signature['header'] : []; |
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$jws = $jws->addSignature($signature['key'], $signature['protected_header'], $signature['header']); |
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} |
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$jws = $jws->build(); |
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$token = $this->jwsSerializerManager->serialize($jws_serialization_mode, $jws); |
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$jweSharedProtectedHeader['cty'] = 'JWT'; |
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$jwe = $this->jweBuilder |
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->create() |
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->withPayload($token) |
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->withSharedProtectedHeader($jweSharedProtectedHeader) |
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->withSharedHeader($jweSharedHeader) |
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->withAAD($aad); |
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foreach ($recipients as $recipient) { |
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if (!is_array($recipient) || !array_key_exists('key', $recipient)) { |
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throw new \InvalidArgumentException('The recipients must be an array of arrays containing a key and a header'); |
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} |
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$recipient['header'] = array_key_exists('header', $recipient) ? $recipient['header'] : []; |
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$jwe = $jwe->addRecipient($recipient['key'], $recipient['header']); |
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} |
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$jwe = $jwe->build(); |
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$token = $this->jweSerializerManager->serialize($jwe_serialization_mode, $jwe); |
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return $token; |
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} |
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} |
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