| commit | author | age | ||
| 532ae5 | 1 | <?php |
| L | 2 | |
| 3 | /* | |
| 4 | Copyright (c) 2010, Till Brehm, projektfarm Gmbh | |
| 5 | All rights reserved. | |
| 6 | ||
| 7 | Redistribution and use in source and binary forms, with or without modification, | |
| 8 | are permitted provided that the following conditions are met: | |
| 9 | ||
| 10 | * Redistributions of source code must retain the above copyright notice, | |
| 11 | this list of conditions and the following disclaimer. | |
| 12 | * Redistributions in binary form must reproduce the above copyright notice, | |
| 13 | this list of conditions and the following disclaimer in the documentation | |
| 14 | and/or other materials provided with the distribution. | |
| 15 | * Neither the name of ISPConfig nor the names of its contributors | |
| 16 | may be used to endorse or promote products derived from this software without | |
| 17 | specific prior written permission. | |
| 18 | ||
| 19 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | |
| 20 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 21 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
| 22 | IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| 23 | INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| 24 | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 26 | OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 27 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, | |
| 28 | EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 | */ | |
| 30 | ||
| 31 | class session { | |
| b1a6a5 | 32 | |
| 532ae5 | 33 | private $session_array = array(); |
| L | 34 | private $db; |
| b1a6a5 | 35 | |
| 532ae5 | 36 | function __construct() { |
| L | 37 | $this->db = new db; |
| 38 | } | |
| b1a6a5 | 39 | |
| 532ae5 | 40 | function open ($save_path, $session_name) { |
| L | 41 | return true; |
| 42 | } | |
| b1a6a5 | 43 | |
| 532ae5 | 44 | function close () { |
| L | 45 | |
| 46 | if (!empty($this->session_array)) { | |
| b1a6a5 | 47 | $result = $this->gc(ini_get('session.gc_maxlifetime')); |
| MC | 48 | return $result; |
| 49 | } | |
| 50 | return false; | |
| 51 | } | |
| 52 | ||
| 532ae5 | 53 | function read ($session_id) { |
| b1a6a5 | 54 | |
| 532ae5 | 55 | $rec = $this->db->queryOneRecord("SELECT * FROM sys_session WHERE session_id = '".$this->db->quote($session_id)."'"); |
| L | 56 | |
| b1a6a5 | 57 | if (is_array($rec)) { |
| 532ae5 | 58 | $this->session_array = $rec; |
| L | 59 | return $this->session_array['session_data']; |
| 60 | } else { | |
| 61 | return ''; | |
| 62 | } | |
| 63 | } | |
| b1a6a5 | 64 | |
| 532ae5 | 65 | function write ($session_id, $session_data) { |
| b1a6a5 | 66 | |
| 532ae5 | 67 | if (!empty($this->session_array) && $this->session_array['session_id'] != $session_id) { |
| b1a6a5 | 68 | $this->session_array = array(); |
| MC | 69 | } |
| 70 | ||
| 532ae5 | 71 | // Dont write session_data to DB if session data has not been changed after reading it. |
| L | 72 | if(isset($this->session_array['session_data']) && $this->session_array['session_data'] != '' && $this->session_array['session_data'] == $session_data) { |
| 73 | $session_id = $this->db->quote($session_id); | |
| 74 | $last_updated = date('Y-m-d H:i:s'); | |
| b1a6a5 | 75 | $this->db->query("UPDATE sys_session SET last_updated = '$last_updated' WHERE session_id = '$session_id'"); |
| 532ae5 | 76 | return true; |
| L | 77 | } |
| 78 | ||
| b1a6a5 | 79 | |
| MC | 80 | if (@$this->session_array['session_id'] == '') { |
| 532ae5 | 81 | $session_id = $this->db->quote($session_id); |
| b1a6a5 | 82 | $date_created = date('Y-m-d H:i:s'); |
| MC | 83 | $last_updated = date('Y-m-d H:i:s'); |
| 84 | $session_data = $this->db->quote($session_data); | |
| 532ae5 | 85 | $sql = "INSERT INTO sys_session (session_id,date_created,last_updated,session_data) VALUES ('$session_id','$date_created','$last_updated','$session_data')"; |
| L | 86 | $this->db->query($sql); |
| 87 | ||
| b1a6a5 | 88 | } else { |
| MC | 89 | $session_id = $this->db->quote($session_id); |
| 532ae5 | 90 | $last_updated = date('Y-m-d H:i:s'); |
| b1a6a5 | 91 | $session_data = $this->db->quote($session_data); |
| MC | 92 | $sql = "UPDATE sys_session SET last_updated = '$last_updated', session_data = '$session_data' WHERE session_id = '$session_id'"; |
| 532ae5 | 93 | $this->db->query($sql); |
| L | 94 | |
| b1a6a5 | 95 | } |
| MC | 96 | |
| 97 | return true; | |
| 98 | } | |
| 99 | ||
| 532ae5 | 100 | function destroy ($session_id) { |
| L | 101 | |
| 102 | $session_id = $this->db->quote($session_id); | |
| 103 | $sql = "DELETE FROM sys_session WHERE session_id = '$session_id'"; | |
| 104 | $this->db->query($sql); | |
| b1a6a5 | 105 | |
| MC | 106 | return true; |
| 107 | } | |
| 108 | ||
| 532ae5 | 109 | function gc ($max_lifetime) { |
| L | 110 | |
| 111 | $real_now = date('Y-m-d H:i:s'); | |
| b1a6a5 | 112 | $dt1 = strtotime("$real_now -$max_lifetime seconds"); |
| MC | 113 | $dt2 = date('Y-m-d H:i:s', $dt1); |
| 114 | ||
| 532ae5 | 115 | $sql = "DELETE FROM sys_session WHERE last_updated < '$dt2'"; |
| L | 116 | $this->db->query($sql); |
| b1a6a5 | 117 | |
| MC | 118 | return true; |
| 119 | ||
| 120 | } | |
| 532ae5 | 121 | |
| L | 122 | function __destruct () { |
| b1a6a5 | 123 | @session_write_close(); |
| 532ae5 | 124 | |
| b1a6a5 | 125 | } |
| 532ae5 | 126 | |
| L | 127 | } |
| 128 | ||
| b1a6a5 | 129 | ?> |
