| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | declare(strict_types=1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * CakePHP(tm) : Rapid Development Framework (http://cakephp.org) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * Licensed under The MIT License | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * For full copyright and license information, please see the LICENSE.txt | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * Redistributions of files must retain the above copyright notice. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @link          http://cakephp.org CakePHP(tm) Project | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * @license       http://www.opensource.org/licenses/mit-license.php MIT License | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | namespace Phauthentic\Authentication\Authenticator; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use ArrayAccess; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use Phauthentic\Authentication\Authenticator\Exception\UnauthorizedException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | use Phauthentic\Authentication\Identifier\IdentifierInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | use Psr\Http\Message\ServerRequestInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * HttpBasic Authenticator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  * Provides Basic HTTP authentication support. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | class HttpBasicAuthenticator extends AbstractAuthenticator implements StatelessInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     use CredentialFieldsTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      * Realm | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * @var string|null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     protected $realm; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      * Sets the realm | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      * @param string|null $realm Realm | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * @return $this | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 | 42 |  |     public function setRealm(?string $realm): self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 42 |  |         $this->realm = $realm; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 | 42 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      * Authenticate a user using HTTP auth. Will use the configured User model and attempt a | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      * login using HTTP auth. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |      * @param \Psr\Http\Message\ServerRequestInterface $request The request to authenticate with. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |      * @return \Phauthentic\Authentication\Authenticator\ResultInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 21 |  |     public function authenticate(ServerRequestInterface $request): ResultInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 21 |  |         $user = $this->getUser($request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 | 21 |  |         if (empty($user)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 15 |  |             return new Result(null, Result::FAILURE_CREDENTIALS_MISSING); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 | 6 |  |         return new Result($user, Result::SUCCESS); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * Checks for the user and password in the server request params | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      * @param array $serverParams Server params from \Psr\Http\Message\ServerRequestInterface::getServerParams() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      * @return bool | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 75 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 76 | 21 |  |     protected function checkServerParams(array $serverParams): bool { | 
            
                                                                        
                            
            
                                    
            
            
                | 77 | 21 |  |         return !isset($serverParams['PHP_AUTH_USER']) | 
            
                                                                        
                            
            
                                    
            
            
                | 78 | 15 |  |             || !isset($serverParams['PHP_AUTH_PW']) | 
            
                                                                        
                            
            
                                    
            
            
                | 79 | 12 |  |             || !is_string($serverParams['PHP_AUTH_USER']) | 
            
                                                                        
                            
            
                                    
            
            
                | 80 | 12 |  |             || $serverParams['PHP_AUTH_USER'] === '' | 
            
                                                                        
                            
            
                                    
            
            
                | 81 | 12 |  |             || !is_string($serverParams['PHP_AUTH_PW']) | 
            
                                                                        
                            
            
                                    
            
            
                | 82 | 21 |  |             || $serverParams['PHP_AUTH_PW'] === ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      * Get a user based on information in the request. Used by cookie-less auth for stateless clients. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * @param \Psr\Http\Message\ServerRequestInterface $request Request object. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      * @return \ArrayAccess|null User entity or null on failure. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 | 21 |  |     public function getUser(ServerRequestInterface $request): ?ArrayAccess | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 | 21 |  |         $serverParams = $request->getServerParams(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 | 21 |  |         if ($this->checkServerParams($serverParams)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 | 9 |  |             return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 | 12 |  |         return $this->identifier->identify([ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 | 12 |  |             IdentifierInterface::CREDENTIAL_USERNAME => $serverParams['PHP_AUTH_USER'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 | 12 |  |             IdentifierInterface::CREDENTIAL_PASSWORD => $serverParams['PHP_AUTH_PW'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |         ]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |      * Create a challenge exception for basic auth challenge. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |      * @param \Psr\Http\Message\ServerRequestInterface $request A request object. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |      * @return void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |      * @throws \Phauthentic\Authentication\Authenticator\Exception\UnauthorizedException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 | 15 |  |     public function unauthorizedChallenge(ServerRequestInterface $request): void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 | 15 |  |         throw new UnauthorizedException($this->loginHeaders($request), ''); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |      * Generate the login headers | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |      * @param \Psr\Http\Message\ServerRequestInterface $request Request object. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |      * @return array Headers for logging in. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 | 6 |  |     protected function loginHeaders(ServerRequestInterface $request): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 | 6 |  |         $server = $request->getServerParams(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 | 6 |  |         $realm = $this->realm ?: $server['SERVER_NAME']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 | 6 |  |         return ['WWW-Authenticate' => sprintf('Basic realm="%s"', $realm)]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 129 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 130 |  |  |  |