| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Alpha\Util\Security; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Alpha\Util\Config\ConfigProvider; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * A utility class for carrying out various security tasks. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @since 1.2.2 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @author John Collins <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * @license http://www.opensource.org/licenses/bsd-license.php The BSD License | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * @copyright Copyright (c) 2016, John Collins (founder of Alpha Framework). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * All rights reserved. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * <pre> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * Redistribution and use in source and binary forms, with or | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * without modification, are permitted provided that the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  * following conditions are met: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  * * Redistributions of source code must retain the above | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  *   copyright notice, this list of conditions and the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  *   following disclaimer. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  * * Redistributions in binary form must reproduce the above | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  *   copyright notice, this list of conditions and the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  *   following disclaimer in the documentation and/or other | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  *   materials provided with the distribution. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  * * Neither the name of the Alpha Framework nor the names | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  *   of its contributors may be used to endorse or promote | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  *   products derived from this software without specific | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  *   prior written permission. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  * </pre> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | class SecurityUtils | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      * Encrypt provided data using mcrypt() with the TripleDES algorithm and the security.encryption.key. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      * @param string $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |      * @since 1.2.2 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     public static function encrypt($data) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         $config = ConfigProvider::getInstance(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |         $td = mcrypt_module_open('tripledes', '', 'ecb', ''); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |         $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |         mcrypt_generic_init($td, $config->get('security.encryption.key'), $iv); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |         $encryptedData = mcrypt_generic($td, $data); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         mcrypt_generic_deinit($td); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |         mcrypt_module_close($td); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |         return $encryptedData; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |      * Decrypt provided data using mcrypt() with the TripleDES algorithm and the security.encryption.key. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      * @param string $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      * @since 1.2.2 | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 82 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 83 |  |  |     public static function decrypt($data) | 
            
                                                                        
                            
            
                                    
            
            
                | 84 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 85 |  |  |         $config = ConfigProvider::getInstance(); | 
            
                                                                        
                            
            
                                    
            
            
                | 86 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 87 |  |  |         $td = mcrypt_module_open('tripledes', '', 'ecb', ''); | 
            
                                                                        
                            
            
                                    
            
            
                | 88 |  |  |         $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND); | 
            
                                                                        
                            
            
                                    
            
            
                | 89 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 90 |  |  |         return mcrypt_decrypt('tripledes', $config->get('security.encryption.key'), $data, 'ecb', $iv); | 
            
                                                                        
                            
            
                                    
            
            
                | 91 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * Checks to see if the admin password provided matches the default admin password in the config file. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * @param string $password The encrypted admin password stored in the database. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * @return boolean | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |      * @since 2.0.2 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     public static function checkAdminPasswordIsDefault($password) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |         $config = ConfigProvider::getInstance(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |         return password_verify($config->get('app.install.password'), $password); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 108 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 109 |  |  |  |