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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\Util; |
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use Base64Url\Base64Url; |
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use Jose\Object\JWS; |
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use Jose\Object\JWSInterface; |
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use Jose\Object\Signature; |
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use Jose\Object\SignatureInterface; |
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final class JWSLoader |
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{ |
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/** |
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* Loader constructor. |
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*/ |
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private function __construct() |
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{ |
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} |
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/** |
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* @param array $data |
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* |
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* @return \Jose\Object\JWSInterface |
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*/ |
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public static function loadSerializedJsonJWS(array $data) |
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{ |
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$jws = new JWS(); |
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self::populatePayload($jws, $data); |
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foreach ($data['signatures'] as $signature) { |
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$object = new Signature(); |
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$object = $object->withSignature(Base64Url::decode($signature['signature'])); |
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self::populateProtectedHeaders($object, $signature); |
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self::populateHeaders($object, $signature); |
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$jws = $jws->addSignature($object); |
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} |
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return $jws; |
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} |
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/** |
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* @param \Jose\Object\SignatureInterface $signature |
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* @param array $data |
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*/ |
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private static function populateProtectedHeaders(SignatureInterface &$signature, array $data) |
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{ |
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if (array_key_exists('protected', $data)) { |
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$signature = $signature->withEncodedProtectedHeaders($data['protected']); |
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} |
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} |
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/** |
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* @param \Jose\Object\SignatureInterface $signature |
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* @param array $data |
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*/ |
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private static function populateHeaders(SignatureInterface &$signature, array $data) |
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{ |
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if (array_key_exists('header', $data)) { |
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$signature = $signature->withHeaders($data['header']); |
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} |
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} |
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/** |
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* @param \Jose\Object\JWSInterface $jws |
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* @param array $data |
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*/ |
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private static function populatePayload(JWSInterface &$jws, array $data) |
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{ |
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if (array_key_exists('payload', $data)) { |
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$payload = Base64Url::decode($data['payload']); |
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$json = json_decode($payload, true); |
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if (null !== $json && !empty($payload)) { |
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$payload = $json; |
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} |
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$jws = $jws->withPayload($payload); |
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} |
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} |
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} |
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Spomky-Labs /
jose
