| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * This file is part of the CRUDlexUser package. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * (c) Philip Lehmann-Böhm <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * For the full copyright and license information, please view the LICENSE | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * file that was distributed with this source code. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | namespace CRUDlex; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use Symfony\Component\Security\Core\Encoder\MessageDigestPasswordEncoder; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | use CRUDlex\Data; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use CRUDlex\Entity; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * This class setups CRUDlex with some events so the passwords get salted and | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  * hashed properly. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | class UserSetup { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      * Gets a closure for possibly generating a password hash in the entity. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      * @param Data $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |      * the Data instance managing the users | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      * @param string $passwordField | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      * the Entity fieldname of the password hash | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      * @param string $saltField | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * the Entity fieldname of the password hash salt | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 35 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 36 |  |  |     protected function getPWHashFunction(Data $data, $passwordField, $saltField) { | 
            
                                                                        
                            
            
                                    
            
            
                | 37 |  |  |         $that = $this; | 
            
                                                                        
                            
            
                                    
            
            
                | 38 |  |  |         return function(Entity $entity) use ($data, $passwordField, $saltField, $that) { | 
            
                                                                        
                            
            
                                    
            
            
                | 39 |  |  |             $password = $entity->get($passwordField); | 
            
                                                                        
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 41 |  |  |             if (!$password) { | 
            
                                                                        
                            
            
                                    
            
            
                | 42 |  |  |                 return true; | 
            
                                                                        
                            
            
                                    
            
            
                | 43 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 45 |  |  |             $encoder = new MessageDigestPasswordEncoder(); | 
            
                                                                        
                            
            
                                    
            
            
                | 46 |  |  |             $salt = $entity->get($saltField); | 
            
                                                                        
                            
            
                                    
            
            
                | 47 |  |  |             $newSalt = false; | 
            
                                                                        
                            
            
                                    
            
            
                | 48 |  |  |             if (!$salt) { | 
            
                                                                        
                            
            
                                    
            
            
                | 49 |  |  |                 $salt = $that->getSalt(40); | 
            
                                                                        
                            
            
                                    
            
            
                | 50 |  |  |                 $entity->set($saltField, $salt); | 
            
                                                                        
                            
            
                                    
            
            
                | 51 |  |  |                 $newSalt = true; | 
            
                                                                        
                            
            
                                    
            
            
                | 52 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 53 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 54 |  |  |             $passwordHash = $encoder->encodePassword($password, $salt); | 
            
                                                                        
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 56 |  |  |             $doGenerateHash = $that->doGenerateHash($data, $entity, $passwordField, $password, $newSalt); | 
            
                                                                        
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 58 |  |  |             if ($doGenerateHash) { | 
            
                                                                        
                            
            
                                    
            
            
                | 59 |  |  |                 $entity->set($passwordField, $passwordHash); | 
            
                                                                        
                            
            
                                    
            
            
                | 60 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 61 |  |  |             return true; | 
            
                                                                        
                            
            
                                    
            
            
                | 62 |  |  |         }; | 
            
                                                                        
                            
            
                                    
            
            
                | 63 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |      * Determines whether the entity needs a new hash generated. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |      * @param Data $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |      * the CRUDlex data instance of the user entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      * @param Entity $entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * the entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * @param string $passwordField | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      * the field holding the password hash in the entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      * @param string $password | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |      * the current password hash | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * @param boolean $newSalt | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      * whether a new password hash salt was generated | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * @return boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * true if the entity needs a new hash | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     public function doGenerateHash(Data $data, Entity $entity, $passwordField, $password, $newSalt) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |         $doGenerateHash = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         $id = $entity->get('id'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |         if ($id !== null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |             $oldEntity = $data->get($entity->get('id')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |             $doGenerateHash = $oldEntity->get($passwordField) !== $password || $newSalt; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |         return $doGenerateHash; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |      * Generates a random salt of the given length. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * @param int $len | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * the desired length | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      * a random salt of the given length | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |     public function getSalt($len) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |         $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789`~!@#$%^&*()-=_+'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |         $l = strlen($chars) - 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |         $str = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         for ($i = 0; $i < $len; ++$i) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |             $str .= $chars[mt_rand(0, $l)]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |         return $str; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      * Setups CRUDlex with some events so the passwords get salted and | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * hashed properly. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      * @param Data $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      * the Data instance managing the users | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |      * @param string $passwordField | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |      * the Entity fieldname of the password hash | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |      * @param string $saltField | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |      * the Entity fieldname of the password hash salt | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |     public function addEvents(Data $data, $passwordField = 'password', $saltField = 'salt') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |         $that = $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |         $saltGenFunction = function(Entity $entity) use ($saltField, $that) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |             $salt = $that->getSalt(40); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |             $entity->set($saltField, $salt); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |             return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |         $data->pushEvent('before', 'create', $saltGenFunction); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |         $pwHashFunction = $this->getPWHashFunction($data, $passwordField, $saltField); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |         $data->pushEvent('before', 'create', $pwHashFunction); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |         $data->pushEvent('before', 'update', $pwHashFunction); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 142 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 143 |  |  |  |