| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * This file is part of the tiqr project. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  *  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * The tiqr project aims to provide an open implementation for  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * authentication using mobile devices. It was initiated by  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * SURFnet and developed by Egeniq. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * More information: http://www.tiqr.org | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * @author Peter Verhage <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  *  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * @package tiqr | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * @license New BSD License - See LICENSE file for details. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * @copyright (C) 2010-2012 SURFnet BV | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | use Psr\Log\LoggerInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * Class implementing a factory for user storage encryption. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  * @author peter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | class Tiqr_UserSecretStorage_Encryption | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      * Get an encryption handler of a certain type (default: 'dummy') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      * @param LoggerInterface $logger | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      * @param String $type The type of storage to create. Supported types are 'dummy' (default) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      *                     or any class implementing Tiqr_UserSecretStorage_Encryption_Interface. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      *                     In that case $type should be the full class name. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * @param array $options The options to pass to the storage instance. See the documentation | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      *                       in the Encryption subdirectory for options per type. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      * @return Tiqr_UserSecretStorage_Encryption_Interface | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 40 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 41 | 22 |  |     public static function getEncryption(LoggerInterface $logger, string $type="dummy", array $options=array()): Tiqr_UserSecretStorage_Encryption_Interface | 
            
                                                                        
                            
            
                                    
            
            
                | 42 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 43 | 22 |  |         $instance = null; | 
            
                                                                        
                            
            
                                    
            
            
                | 44 | 22 |  |         $logger->info(sprintf('Using "%s" as UserSecretStorage encryption type', $type)); | 
            
                                                                        
                            
            
                                    
            
            
                | 45 | 22 |  |         switch ($type) { | 
            
                                                                        
                            
            
                                    
            
            
                | 46 | 22 |  |             case "dummy": | 
            
                                                                        
                            
            
                                    
            
            
                | 47 | 21 |  |             case "plain": | 
            
                                                                        
                            
            
                                    
            
            
                | 48 | 15 |  |                 $instance = new Tiqr_UserSecretStorage_Encryption_Plain($options); | 
            
                                                                        
                            
            
                                    
            
            
                | 49 | 15 |  |                 break; | 
            
                                                                        
                            
            
                                    
            
            
                | 50 | 10 |  |             case "openssl": | 
            
                                                                        
                            
            
                                    
            
            
                | 51 | 7 |  |                 $instance = new Tiqr_UserSecretStorage_Encryption_OpenSSL($options); | 
            
                                                                        
                            
            
                                    
            
            
                | 52 | 4 |  |                 break; | 
            
                                                                        
                            
            
                                    
            
            
                | 53 |  |  |             default: | 
            
                                                                        
                            
            
                                    
            
            
                | 54 | 5 |  |                 if (class_exists($type)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 55 | 4 |  |                     $instance = new $type($options); | 
            
                                                                        
                            
            
                                    
            
            
                | 56 |  |  |                 } else { | 
            
                                                                        
                            
            
                                    
            
            
                | 57 | 1 |  |                     throw new RuntimeException(sprintf("Class '%s' not found", $type)); | 
            
                                                                        
                            
            
                                    
            
            
                | 58 |  |  |                 } | 
            
                                                                        
                            
            
                                    
            
            
                | 59 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 60 |  |  |          | 
            
                                                                        
                            
            
                                    
            
            
                | 61 | 18 |  |         return $instance; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 63 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 64 |  |  |  |