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<?php |
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/* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2014-2016 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\Factory; |
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use Assert\Assertion; |
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use Jose\Encrypter; |
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use Jose\Object\JWE; |
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use Jose\Object\JWKInterface; |
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use Psr\Log\LoggerInterface; |
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final class JWEFactory |
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{ |
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/** |
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* @param mixed $payload |
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* @param array $shared_protected_headers |
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* @param array $shared_headers |
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* @param null|string $aad |
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* |
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* @return \Jose\Object\JWEInterface |
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*/ |
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public static function createJWE($payload, array $shared_protected_headers = [], array $shared_headers = [], $aad = null) |
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{ |
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$jwe = new JWE(); |
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$jwe = $jwe->withSharedProtectedHeaders($shared_protected_headers); |
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$jwe = $jwe->withSharedHeaders($shared_headers); |
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$jwe = $jwe->withPayload($payload); |
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if (null !== $aad) { |
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$jwe = $jwe->withAAD($aad); |
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} |
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return $jwe; |
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} |
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/** |
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* @param mixed $payload |
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* @param \Jose\Object\JWKInterface $recipient_key |
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* @param array $shared_protected_headers |
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* @param \Psr\Log\LoggerInterface|null $logger |
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* |
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* @return string |
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*/ |
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public static function createJWEToCompactJSON($payload, JWKInterface $recipient_key, array $shared_protected_headers, LoggerInterface $logger = null) |
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{ |
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$jwe = self::createJWEAndEncrypt($payload, $recipient_key, $shared_protected_headers, [], [], null, $logger); |
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return $jwe->toCompactJSON(0); |
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} |
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/** |
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* @param mixed $payload |
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* @param \Jose\Object\JWKInterface $recipient_key |
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* @param array $shared_protected_headers |
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* @param array $shared_headers |
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* @param array $recipient_headers |
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* @param string|null $aad |
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* @param \Psr\Log\LoggerInterface|null $logger |
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* |
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* @return \Jose\Object\JWSInterface |
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*/ |
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public static function createJWEToFlattenedJSON($payload, JWKInterface $recipient_key, array $shared_protected_headers = [], $shared_headers = [], $recipient_headers = [], $aad = null, LoggerInterface $logger = null) |
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{ |
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$jwe = self::createJWEAndEncrypt($payload, $recipient_key, $shared_protected_headers, $shared_headers, $recipient_headers, $aad, $logger); |
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return $jwe->toFlattenedJSON(0); |
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} |
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/** |
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* @param mixed $payload |
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* @param \Jose\Object\JWKInterface $recipient_key |
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* @param array $shared_protected_headers |
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* @param array $shared_headers |
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* @param array $recipient_headers |
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* @param string|null $aad |
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* @param \Psr\Log\LoggerInterface|null $logger |
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* |
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* @return \Jose\Object\JWSInterface |
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*/ |
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private static function createJWEAndEncrypt($payload, JWKInterface $recipient_key, array $shared_protected_headers = [], $shared_headers = [], $recipient_headers = [], $aad = null, LoggerInterface $logger = null) |
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{ |
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$complete_headers = array_merge($shared_protected_headers, $shared_headers, $recipient_headers); |
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Assertion::keyExists($complete_headers, 'alg', 'No "alg" parameter set in the header'); |
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Assertion::keyExists($complete_headers, 'enc', 'No "enc" parameter set in the header'); |
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$encrypter = Encrypter::createEncrypter([$complete_headers['alg']], [$complete_headers['enc']], ['DEF', 'ZLIB', 'GZ'], $logger); |
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$jwe = self::createJWE($payload, $shared_protected_headers, $shared_headers, $aad); |
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$jwe = $jwe->addRecipientInformation($recipient_key, $recipient_headers); |
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$encrypter->encrypt($jwe); |
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return $jwe; |
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} |
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} |
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Spomky-Labs /
jose
