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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /*  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * MikoPBX - free phone system for small business  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Copyright © 2017-2023 Alexey Portnov and Nikolay Beketov  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This program is free software: you can redistribute it and/or modify  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * it under the terms of the GNU General Public License as published by  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * the Free Software Foundation; either version 3 of the License, or  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * (at your option) any later version.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This program is distributed in the hope that it will be useful,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * but WITHOUT ANY WARRANTY; without even the implied warranty of  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * GNU General Public License for more details.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * You should have received a copy of the GNU General Public License along with this program.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * If not, see <https://www.gnu.org/licenses/>.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace MikoPBX\Core\Workers\Libs\WorkerPrepareAdvices;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use MikoPBX\Common\Models\PbxSettings;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Phalcon\Di\Injectable;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class CheckSSHConfig  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This class is responsible for checking external changes ssh root password.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package MikoPBX\Core\Workers\Libs\WorkerPrepareAdvices  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class CheckSSHConfig extends Injectable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Checks the password in case it was changed by an unauthorized means.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return array An array containing warning messages.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function process(): array  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $messages   = [];  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $password   = PbxSettings::getValueByKey('SSHPassword'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $hashString = PbxSettings::getValueByKey('SSHPasswordHashString'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $hashFile   = PbxSettings::getValueByKey('SSHPasswordHash'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if($hashString !== md5($password)){ | 
            
            
                                                                        
                            
            
                                    
            
            
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                            // The password has been changed in an unusual way.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $messages['error'][] =  ['messageTpl'=>'adv_SSHPasswordMismatchStringsHash'];  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if($hashFile   !== md5_file('/etc/passwd')){ | 
            
            
                                                                        
                            
            
                                    
            
            
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                            // The system password does not match what is set in the configuration file.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $messages['error'][] =  ['messageTpl'=>'adv_SSHPasswordMismatchFilesHash'];  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        return $messages;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  |