| | |
| | | |
| | | private $session_array = array(); |
| | | private $db; |
| | | private $timeout = 0; |
| | | private $permanent = false; |
| | | |
| | | function __construct() { |
| | | function __construct($session_timeout = 0) { |
| | | $this->db = new db; |
| | | $this->timeout = $session_timeout; |
| | | } |
| | | |
| | | function set_timeout($session_timeout = 0) { |
| | | $old_timeout = $this->timeout; |
| | | $this->timeout = $session_timeout; |
| | | return $old_timeout; |
| | | } |
| | | |
| | | function set_permanent($value = false) { |
| | | $this->permanent = $value; |
| | | } |
| | | |
| | | function open ($save_path, $session_name) { |
| | |
| | | } |
| | | |
| | | function read ($session_id) { |
| | | |
| | | $rec = $this->db->queryOneRecord("SELECT * FROM sys_session WHERE session_id = '".$this->db->quote($session_id)."'"); |
| | | |
| | | if($this->timeout > 0) { |
| | | $rec = $this->db->queryOneRecord("SELECT * FROM sys_session WHERE session_id = '".$this->db->quote($session_id)."' AND (`permanent` = 'y' OR last_updated >= DATE_SUB(NOW(), INTERVAL " . intval($this->timeout) . " MINUTE))"); |
| | | } else { |
| | | $rec = $this->db->queryOneRecord("SELECT * FROM sys_session WHERE session_id = '".$this->db->quote($session_id)."'"); |
| | | } |
| | | |
| | | if (is_array($rec)) { |
| | | $this->session_array = $rec; |
| | |
| | | $date_created = date('Y-m-d H:i:s'); |
| | | $last_updated = date('Y-m-d H:i:s'); |
| | | $session_data = $this->db->quote($session_data); |
| | | $sql = "INSERT INTO sys_session (session_id,date_created,last_updated,session_data) VALUES ('$session_id','$date_created','$last_updated','$session_data')"; |
| | | $sql = "INSERT INTO sys_session (session_id,date_created,last_updated,session_data,permanent) VALUES ('$session_id','$date_created','$last_updated','$session_data','" . ($this->permanent ? 'y' : 'n') . "')"; |
| | | $this->db->query($sql); |
| | | |
| | | } else { |
| | | $session_id = $this->db->quote($session_id); |
| | | $last_updated = date('Y-m-d H:i:s'); |
| | | $session_data = $this->db->quote($session_data); |
| | | $sql = "UPDATE sys_session SET last_updated = '$last_updated', session_data = '$session_data' WHERE session_id = '$session_id'"; |
| | | $sql = "UPDATE sys_session SET last_updated = '$last_updated', session_data = '$session_data'" . ($this->permanent ? ", `permanent` = 'y'" : "") . " WHERE session_id = '$session_id'"; |
| | | $this->db->query($sql); |
| | | |
| | | } |
| | |
| | | |
| | | function gc ($max_lifetime) { |
| | | |
| | | $real_now = date('Y-m-d H:i:s'); |
| | | $dt1 = strtotime("$real_now -$max_lifetime seconds"); |
| | | $dt2 = date('Y-m-d H:i:s', $dt1); |
| | | /*if($this->timeout > 0) { |
| | | $this->db->query("DELETE FROM sys_session WHERE last_updated < DATE_SUB(NOW(), INTERVAL " . intval($this->timeout) . " MINUTE)"); |
| | | } else {*/ |
| | | $real_now = date('Y-m-d H:i:s'); |
| | | $dt1 = strtotime("$real_now -$max_lifetime seconds"); |
| | | $dt2 = date('Y-m-d H:i:s', $dt1); |
| | | |
| | | $sql = "DELETE FROM sys_session WHERE last_updated < '$dt2'"; |
| | | $this->db->query($sql); |
| | | $sql = "DELETE FROM sys_session WHERE last_updated < '$dt2' AND `permanent` != 'y'"; |
| | | $this->db->query($sql); |
| | | |
| | | /* delete very old even if they are permanent */ |
| | | $dt1 = strtotime("$real_now -365 days"); |
| | | $dt2 = date('Y-m-d H:i:s', $dt1); |
| | | |
| | | $sql = "DELETE FROM sys_session WHERE last_updated < '$dt2'"; |
| | | $this->db->query($sql); |
| | | //} |
| | | |
| | | return true; |
| | | |