| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | declare(strict_types=1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * The MIT License (MIT) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * Copyright (c) 2014-2019 Spomky-Labs | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * This software may be modified and distributed under the terms | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * of the MIT license.  See the LICENSE file for details. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | namespace Jose\Easy; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use InvalidArgumentException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use Jose\Component\Checker; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use Jose\Component\Core\Algorithm; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | use Jose\Component\Core\AlgorithmManager; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | use Jose\Component\Core\Util\JsonConverter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | use Jose\Component\Encryption\Algorithm\ContentEncryption; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | use Jose\Component\Encryption\Algorithm\KeyEncryption; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | use Jose\Component\Encryption\Compression\CompressionMethod; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | use Jose\Component\Encryption\Compression\CompressionMethodManager; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | use Jose\Component\Encryption\Compression\Deflate; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | use Jose\Component\Encryption\JWEDecrypter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | use Jose\Component\Encryption\JWETokenSupport; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | use Jose\Component\Encryption\Serializer\CompactSerializer; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | class Decrypt extends AbstractLoader | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      * @var string[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     protected $allowedContentEncryptionAlgorithms = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      * @var CompressionMethod[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     private $compressionMethods; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     private function __construct(string $token) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |         parent::__construct($token); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         $this->algorithms = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |             new KeyEncryption\A128GCMKW(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |             new KeyEncryption\A192GCMKW(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |             new KeyEncryption\A256GCMKW(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |             new KeyEncryption\A128KW(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |             new KeyEncryption\A192KW(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |             new KeyEncryption\A256KW(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |             new KeyEncryption\Dir(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |             new KeyEncryption\ECDHES(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |             new KeyEncryption\ECDHESA128KW(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |             new KeyEncryption\ECDHESA192KW(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |             new KeyEncryption\ECDHESA256KW(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |             new KeyEncryption\PBES2HS256A128KW(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |             new KeyEncryption\PBES2HS384A192KW(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |             new KeyEncryption\PBES2HS512A256KW(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |             new KeyEncryption\RSA15(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |             new KeyEncryption\RSAOAEP(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |             new KeyEncryption\RSAOAEP256(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |             new ContentEncryption\A128GCM(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |             new ContentEncryption\A192GCM(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |             new ContentEncryption\A256GCM(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |             new ContentEncryption\A128CBCHS256(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |             new ContentEncryption\A192CBCHS384(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |             new ContentEncryption\A256CBCHS512(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |         $this->compressionMethods = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |             new Deflate(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     public static function token(string $token): self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |         return new self($token); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * @param Algorithm|string $enc | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |      * @throws InvalidArgumentException if the encryption algorithm is invalid | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     public function enc($enc): self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |         $clone = clone $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |         switch (true) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |             case \is_string($enc): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |                 $clone->allowedContentEncryptionAlgorithms[] = $enc; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |                 return $clone; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |             case $enc instanceof Algorithm: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |                 $clone->algorithms[$enc->name()] = $enc; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |                 $clone->allowedContentEncryptionAlgorithms[] = $enc->name(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |                 return $clone; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |             default: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |                 throw new InvalidArgumentException('Invalid parameter "enc". Shall be a string or an algorithm instance.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |      * @param Algorithm[]|string[] $encs | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |     public function encs($encs): self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |         $clone = clone $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |         foreach ($encs as $enc) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |             $clone = $clone->enc($enc); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |         return $clone; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 115 |  |  |     public function run(): JWT | 
            
                                                        
            
                                    
            
            
                | 116 |  |  |     { | 
            
                                                        
            
                                    
            
            
                | 117 |  |  |         if (0 !== \count($this->allowedAlgorithms)) { | 
            
                                                        
            
                                    
            
            
                | 118 |  |  |             $this->headerCheckers[] = new Checker\AlgorithmChecker($this->allowedAlgorithms, true); | 
            
                                                        
            
                                    
            
            
                | 119 |  |  |         } | 
            
                                                        
            
                                    
            
            
                | 120 |  |  |         if (0 !== \count($this->allowedContentEncryptionAlgorithms)) { | 
            
                                                        
            
                                    
            
            
                | 121 |  |  |             $this->headerCheckers[] = new ContentEncryptionAlgorithmChecker($this->allowedContentEncryptionAlgorithms, true); | 
            
                                                        
            
                                    
            
            
                | 122 |  |  |         } | 
            
                                                        
            
                                    
            
            
                | 123 |  |  |         $jwe = (new CompactSerializer())->unserialize($this->token); | 
            
                                                        
            
                                    
            
            
                | 124 |  |  |         $headerChecker = new Checker\HeaderCheckerManager($this->headerCheckers, [new JWETokenSupport()]); | 
            
                                                        
            
                                    
            
            
                | 125 |  |  |         $headerChecker->check($jwe, 0); | 
            
                                                        
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 127 |  |  |         $verifier = new JWEDecrypter( | 
            
                                                        
            
                                    
            
            
                | 128 |  |  |             new AlgorithmManager($this->algorithms), | 
            
                                                        
            
                                    
            
            
                | 129 |  |  |             new AlgorithmManager($this->algorithms), | 
            
                                                        
            
                                    
            
            
                | 130 |  |  |             new CompressionMethodManager($this->compressionMethods) | 
            
                                                        
            
                                    
            
            
                | 131 |  |  |         ); | 
            
                                                        
            
                                    
            
            
                | 132 |  |  |         $verifier->decryptUsingKeySet($jwe, $this->jwkset, 0); | 
            
                                                        
            
                                    
            
            
                | 133 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 134 |  |  |         $jwt = new JWT(); | 
            
                                                        
            
                                    
            
            
                | 135 |  |  |         $jwt->header->replace($jwe->getSharedProtectedHeader()); | 
            
                                                        
            
                                    
            
            
                | 136 |  |  |         $jwt->claims->replace(JsonConverter::decode($jwe->getPayload())); | 
            
                                                        
            
                                    
            
            
                | 137 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 138 |  |  |         $claimChecker = new Checker\ClaimCheckerManager($this->claimCheckers); | 
            
                                                        
            
                                    
            
            
                | 139 |  |  |         $claimChecker->check($jwt->claims->all()); | 
            
                                                        
            
                                    
            
            
                | 140 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 141 |  |  |         return $jwt; | 
            
                                                        
            
                                    
            
            
                | 142 |  |  |     } | 
            
                                                        
            
                                    
            
            
                | 143 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 144 |  |  |  |