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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class DBSessionHandler  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @filesource   DBSessionHandler.php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @created      06.03.2017  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package      chillerlan\Session  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author       Smiley <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright    2017 Smiley  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license      MIT  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace chillerlan\Session;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use chillerlan\Database\Database;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use chillerlan\Traits\ContainerInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class DBSessionHandler extends SessionHandlerAbstract{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var \chillerlan\Database\Database  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	protected $db;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * DBSessionHandler constructor.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param \chillerlan\Traits\ContainerInterface $options  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param \chillerlan\Database\Database         $db  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function __construct(ContainerInterface $options = null, Database $db){ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		parent::__construct($options);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->db = $db->connect();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/** @inheritdoc */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function close():bool{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/** @inheritdoc */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function destroy($session_id):bool{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->db->delete  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			->from($this->options->db_table)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			->where('id', $session_id) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			->query();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/** @inheritdoc */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function gc($maxlifetime):bool{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->db->delete  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			->from($this->options->db_table)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			->where('time', time() - $maxlifetime, '<') | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			->query();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/** @inheritdoc */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function open($save_path, $name):bool{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/** @inheritdoc */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public function read($session_id):string{ | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$q = $this->db->select  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			->cols(['data'])  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			->from([$this->options->db_table])  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			->where('id', $session_id) | 
            
            
                                                                        
                            
            
                                    
            
            
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                			->query();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		try{ | 
            
            
                                                                        
                            
            
                                    
            
            
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                			if(!$q || !isset($q[0])){ | 
            
            
                                                                        
                            
            
                                    
            
            
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                				return '';  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			return $this->options->use_encryption ? $this->decrypt($q[0]->data) : $q[0]->data;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		catch(\Exception $e){ | 
            
            
                                                                        
                            
            
                                    
            
            
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                			throw new SessionHandlerException($e->getMessage());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/** @inheritdoc */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function write($session_id, $session_data):bool{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$q = $this->db->insert  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			->into($this->options->db_table, 'REPLACE', 'id')  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			->values([  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				'id'   => $session_id,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				'time' => time(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				'data' => $this->options->use_encryption ? $this->encrypt($session_data) : $session_data,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			->query();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return (bool)$q;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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