| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | declare(strict_types=1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * The MIT License (MIT) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * Copyright (c) 2014-2017 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\Component\Signature; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use Base64Url\Base64Url; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use Jose\Component\Core\JWTInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  * Class JWS. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | final class JWS implements JWTInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      * @var bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     private $isPayloadDetached = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      * @var string|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     private $encodedPayload = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * @var Signature[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     private $signatures = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      * @var string|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     private $payload = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * JWS constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * @param string|null $payload | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * @param string|null $encodedPayload | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      * @param bool        $isPayloadDetached | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     private function __construct(?string $payload, ?string $encodedPayload = null, bool $isPayloadDetached = false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         $this->payload = $payload; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         $this->encodedPayload = $encodedPayload; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         $this->isPayloadDetached = $isPayloadDetached; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |      * @param string|null $payload | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      * @param string|null $encodedPayload | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      * @param bool        $isPayloadDetached | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * @return JWS | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     public static function create(?string $payload, ?string $encodedPayload = null, bool $isPayloadDetached = false): JWS | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |         return new self($payload, $encodedPayload, $isPayloadDetached); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * {@inheritdoc} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 72 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 73 |  |  |     public function getPayload(): ?string | 
            
                                                                        
                            
            
                                    
            
            
                | 74 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 75 |  |  |         return $this->payload; | 
            
                                                                        
                            
            
                                    
            
            
                | 76 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |     public function isPayloadDetached(): bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |         return $this->isPayloadDetached; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      * @return string|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |     public function getEncodedPayload(): ?string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |         if (true === $this->isPayloadDetached()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |             return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |         return $this->encodedPayload; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      * Returns the signature associated with the JWS. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |      * @return Signature[] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     public function getSignatures(): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         return $this->signatures; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |      * @param int $id | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |      * @return Signature | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |     public function getSignature(int $id): Signature | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |         if (isset($this->signatures[$id])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |             return $this->signatures[$id]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |         throw new \InvalidArgumentException('The signature does not exist.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |      * @param string      $signature | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |      * @param array       $protectedHeaders | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |      * @param string|null $encodedProtectedHeaders | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |      * @param array       $headers | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |      * @return JWS | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |     public function addSignature(string $signature, array $protectedHeaders, ?string $encodedProtectedHeaders, array $headers = []): JWS | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |         $jws = clone $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |         $jws->signatures[] = Signature::create($signature, $protectedHeaders, $encodedProtectedHeaders, $headers); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |         return $jws; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |      * Returns the number of signature associated with the JWS. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |      * @return int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |     public function countSignatures(): int | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |         return count($this->signatures); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |      * @param int $id | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |     public function toCompactJSON(int $id): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |         $signature = $this->getSignature($id); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |         if (!empty($signature->getHeaders())) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |             throw new \LogicException('The signature contains unprotected headers and cannot be converted into compact JSON.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |         if (!$this->isPayloadEncoded($signature) && !empty($this->getEncodedPayload())) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |             throw new \LogicException('Unable to convert the JWS with non-encoded payload.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |         return sprintf( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |             '%s.%s.%s', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |             $signature->getEncodedProtectedHeaders(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |             $this->getEncodedPayload(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |             Base64Url::encode($signature->getSignature()) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |         ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |      * @param int $id | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |     public function toFlattenedJSON(int $id): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |         $signature = $this->getSignature($id); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |         $data = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |         $values = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |             'payload' => $this->getEncodedPayload(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |             'protected' => $signature->getEncodedProtectedHeaders(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |             'header' => $signature->getHeaders(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |         foreach ($values as $key => $value) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |             if (!empty($value)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |                 $data[$key] = $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |         $data['signature'] = Base64Url::encode($signature->getSignature()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |         return json_encode($data); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |     public function toJSON(): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |         if (0 === $this->countSignatures()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |             throw new \LogicException('No signature.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |         $data = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |         $this->checkPayloadEncoding(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |         if (false === $this->isPayloadDetached()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |             $data['payload'] = $this->getEncodedPayload(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |         $data['signatures'] = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |         foreach ($this->getSignatures() as $signature) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |             $tmp = ['signature' => Base64Url::encode($signature->getSignature())]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |             $values = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |                 'protected' => $signature->getEncodedProtectedHeaders(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |                 'header' => $signature->getHeaders(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |             ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |             foreach ($values as $key => $value) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |                 if (!empty($value)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |                     $tmp[$key] = $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |             $data['signatures'][] = $tmp; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  |         return json_encode($data); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |      * @param Signature $signature | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |     private function isPayloadEncoded(Signature $signature): bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |         return !$signature->hasProtectedHeader('b64') || true === $signature->getProtectedHeader('b64'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |     private function checkPayloadEncoding() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |         $is_encoded = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  |         foreach ($this->getSignatures() as $signature) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |             if (null === $is_encoded) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |                 $is_encoded = $this->isPayloadEncoded($signature); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  |             if (false === $this->isPayloadDetached()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  |                 if ($is_encoded !== $this->isPayloadEncoded($signature)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  |                     throw new \LogicException('Foreign payload encoding detected.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 257 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 258 |  |  |  |