[903] | 1 | <?php |
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| 2 | /**************************************************************************\ |
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| 3 | * eGroupWare API - Session management * |
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| 4 | * This file written by Dan Kuykendall <seek3r@phpgroupware.org> * |
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| 5 | * and Joseph Engo <jengo@phpgroupware.org> * |
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| 6 | * Copyright (C) 2000, 2001 Dan Kuykendall * |
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| 7 | * -------------------------------------------------------------------------* |
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| 8 | * This library is part of the eGroupWare API * |
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| 9 | * http://www.egroupware.org/api * |
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| 10 | * ------------------------------------------------------------------------ * |
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| 11 | * This library is free software; you can redistribute it and/or modify it * |
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| 12 | * under the terms of the GNU Lesser General Public License as published by * |
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| 13 | * the Free Software Foundation; either version 2.1 of the License, * |
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| 14 | * or any later version. * |
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| 15 | * This library is distributed in the hope that it will be useful, but * |
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| 16 | * WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * |
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| 18 | * See the GNU Lesser General Public License for more details. * |
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| 19 | * You should have received a copy of the GNU Lesser General Public License * |
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| 20 | * along with this library; if not, write to the Free Software Foundation, * |
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| 21 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
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| 22 | \**************************************************************************/ |
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| 23 | |
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| 24 | |
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| 25 | class sessions extends sessions_ |
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| 26 | { |
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| 27 | function sessions() |
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| 28 | { |
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| 29 | $this->sessions_(); |
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| 30 | } |
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| 31 | |
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| 32 | function read_session() |
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| 33 | { |
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| 34 | $this->db->query("SELECT * FROM phpgw_sessions WHERE session_id='" . $this->sessionid . "'",__LINE__,__FILE__); |
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| 35 | $this->db->next_record(); |
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| 36 | |
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| 37 | return $this->db->Record; |
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| 38 | } |
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| 39 | |
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| 40 | // This will remove stale sessions out of the database |
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| 41 | function clean_sessions() |
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| 42 | { |
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| 43 | // If you plan on using the cron apps, please remove the following lines. |
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| 44 | // I am going to make this a config option durring 0.9.11, instead of an application (jengo) |
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| 45 | |
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| 46 | $GLOBALS['phpgw']->db->query("DELETE FROM phpgw_sessions WHERE session_dla <= '" . (time() - $GLOBALS['phpgw_info']['server']['sessions_timeout']) |
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| 47 | . "' AND session_flags !='A'",__LINE__,__FILE__); |
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| 48 | |
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| 49 | // This is set a little higher, we don't want to kill session data for anonymous sessions. |
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| 50 | $GLOBALS['phpgw']->db->query("DELETE FROM phpgw_app_sessions WHERE session_dla <= '" . (time() - $GLOBALS['phpgw_info']['server']['sessions_timeout']) |
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| 51 | . "'",__LINE__,__FILE__); |
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| 52 | } |
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| 53 | |
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| 54 | function new_session_id() |
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| 55 | { |
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| 56 | return md5($GLOBALS['phpgw']->common->randomstring(15)); |
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| 57 | } |
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| 58 | |
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| 59 | function register_session($login,$user_ip,$now,$session_flags) |
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| 60 | { |
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| 61 | $GLOBALS['phpgw']->db->query("DELETE FROM phpgw_sessions WHERE session_id='$this->sessionid'",__LINE__,__FILE__); |
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| 62 | |
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| 63 | $GLOBALS['phpgw']->db->query("INSERT INTO phpgw_sessions VALUES ('" . $this->sessionid |
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| 64 | . "','".$login."','" . $user_ip . "','" |
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| 65 | . $now . "','" . $now . "','" . $_SERVER['PHP_SELF'] . "','" . $session_flags |
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| 66 | . "')",__LINE__,__FILE__); |
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| 67 | } |
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| 68 | |
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| 69 | // This will update the DateLastActive column, so the login does not expire |
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| 70 | function update_dla() |
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| 71 | { |
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| 72 | if (@isset($_GET['menuaction'])) |
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| 73 | { |
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| 74 | $action = $_GET['menuaction']; |
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| 75 | } |
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| 76 | else |
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| 77 | { |
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| 78 | $action = $_SERVER['PHP_SELF']; |
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| 79 | } |
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| 80 | |
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| 81 | // This way XML-RPC users aren't always listed as |
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| 82 | // xmlrpc.php |
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| 83 | if ($this->xmlrpc_method_called) |
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| 84 | { |
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| 85 | $action = $this->xmlrpc_method_called; |
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| 86 | } |
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| 87 | |
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| 88 | $GLOBALS['phpgw']->db->query("UPDATE phpgw_sessions SET session_dla='" . time() . "', session_action='$action' " |
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| 89 | . "WHERE session_id='" . $this->sessionid."'",__LINE__,__FILE__); |
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| 90 | |
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| 91 | $GLOBALS['phpgw']->db->query("UPDATE phpgw_app_sessions SET session_dla='" . time() . "' " |
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| 92 | . "WHERE sessionid='" . $this->sessionid."'",__LINE__,__FILE__); |
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| 93 | return True; |
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| 94 | } |
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| 95 | |
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| 96 | function destroy($sessionid, $kp3) |
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| 97 | { |
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| 98 | if (! $sessionid && $kp3) |
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| 99 | { |
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| 100 | return False; |
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| 101 | } |
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| 102 | |
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| 103 | $GLOBALS['phpgw']->db->transaction_begin(); |
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| 104 | $GLOBALS['phpgw']->db->query("DELETE FROM phpgw_sessions WHERE session_id='" |
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| 105 | . $sessionid . "'",__LINE__,__FILE__); |
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| 106 | $GLOBALS['phpgw']->db->query("DELETE FROM phpgw_app_sessions WHERE sessionid='" |
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| 107 | . $sessionid . "'",__LINE__,__FILE__); |
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| 108 | $this->log_access($this->sessionid); // log logout-time |
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| 109 | |
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| 110 | // Only do the following, if where working with the current user |
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| 111 | if ($sessionid == $GLOBALS['phpgw_info']['user']['sessionid']) |
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| 112 | { |
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| 113 | $this->clean_sessions(); |
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| 114 | } |
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| 115 | $GLOBALS['phpgw']->db->transaction_commit(); |
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| 116 | |
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| 117 | return True; |
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| 118 | } |
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| 119 | |
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| 120 | /*************************************************************************\ |
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| 121 | * Functions for appsession data and session cache * |
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| 122 | \*************************************************************************/ |
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| 123 | |
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| 124 | function delete_cache($accountid='') |
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| 125 | { |
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| 126 | $account_id = get_account_id($accountid,$this->account_id); |
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| 127 | |
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| 128 | $query = "DELETE FROM phpgw_app_sessions WHERE loginid = '".$account_id."'" |
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| 129 | ." AND app = 'phpgwapi' AND location = 'phpgw_info_cache'"; |
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| 130 | |
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| 131 | $GLOBALS['phpgw']->db->query($query); |
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| 132 | } |
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| 133 | |
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| 134 | function appsession($location = 'default', $appname = '', $data = '##NOTHING##') |
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| 135 | { |
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| 136 | if (!$this->account_id || !$this->sessionid) |
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| 137 | { |
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| 138 | return False; // this can happen during login or logout |
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| 139 | } |
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| 140 | if (! $appname) |
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| 141 | { |
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| 142 | $appname = $GLOBALS['phpgw_info']['flags']['currentapp']; |
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| 143 | } |
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| 144 | |
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| 145 | /* This allows the user to put '' as the value. */ |
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| 146 | if ($data == '##NOTHING##') |
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| 147 | { |
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| 148 | $query = "SELECT content FROM phpgw_app_sessions WHERE" |
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| 149 | ." sessionid='".$this->sessionid."' AND loginid='".$this->account_id."'" |
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| 150 | ." AND app = '".$appname."' AND location='".$location."'"; |
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| 151 | |
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| 152 | $GLOBALS['phpgw']->db->query($query,__LINE__,__FILE__); |
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| 153 | $GLOBALS['phpgw']->db->next_record(); |
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| 154 | |
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| 155 | // I added these into seperate steps for easier debugging |
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| 156 | $data = $GLOBALS['phpgw']->db->f('content'); |
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| 157 | // Changed by Skeeter 2001 Mar 04 0400Z |
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| 158 | // This was not properly decoding structures saved into session data properly |
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| 159 | // $data = $GLOBALS['phpgw']->common->decrypt($data); |
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| 160 | // return stripslashes($data); |
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| 161 | // Changed by milosch 2001 Dec 20 |
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| 162 | // do not stripslashes here unless this proves to be a problem. |
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| 163 | // Changed by milosch 2001 Dec 25 |
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| 164 | /* do not decrypt and return if no data (decrypt returning garbage) */ |
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| 165 | if($data) |
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| 166 | { |
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| 167 | $data = $GLOBALS['phpgw']->crypto->decrypt($data); |
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| 168 | // echo 'appsession returning: '; _debug_array($data); |
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| 169 | return $data; |
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| 170 | } |
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| 171 | } |
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| 172 | else |
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| 173 | { |
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| 174 | $GLOBALS['phpgw']->db->query("SELECT content FROM phpgw_app_sessions WHERE " |
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| 175 | . "sessionid = '".$this->sessionid."' AND loginid = '".$this->account_id."'" |
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| 176 | . " AND app = '".$appname."' AND location = '".$location."'",__LINE__,__FILE__); |
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| 177 | |
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| 178 | $encrypteddata = $GLOBALS['phpgw']->crypto->encrypt($data); |
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| 179 | $encrypteddata = $GLOBALS['phpgw']->db->db_addslashes($encrypteddata); |
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| 180 | |
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| 181 | if ($GLOBALS['phpgw']->db->num_rows()==0) |
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| 182 | { |
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| 183 | $GLOBALS['phpgw']->db->query("INSERT INTO phpgw_app_sessions (sessionid,loginid,app,location,content,session_dla) " |
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| 184 | . "VALUES ('".$this->sessionid."','".$this->account_id."','".$appname |
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| 185 | . "','".$location."','".$encrypteddata."','" . time() . "')",__LINE__,__FILE__); |
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| 186 | } |
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| 187 | else |
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| 188 | { |
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| 189 | $GLOBALS['phpgw']->db->query("UPDATE phpgw_app_sessions SET content='".$encrypteddata."'" |
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| 190 | . "WHERE sessionid = '".$this->sessionid."'" |
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| 191 | . "AND loginid = '".$this->account_id."' AND app = '".$appname."'" |
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| 192 | . "AND location = '".$location."'",__LINE__,__FILE__); |
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| 193 | } |
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| 194 | return $data; |
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| 195 | } |
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| 196 | } |
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| 197 | |
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| 198 | function list_sessions($start, $order, $sort, $all_no_sort = False) |
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| 199 | { |
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| 200 | $values = array(); |
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| 201 | |
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| 202 | $ordermethod = 'order by session_dla asc'; |
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| 203 | $this->db->limit_query("select * from phpgw_sessions where session_flags != 'A' order by $sort $order",$start,__LINE__,__FILE__); |
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| 204 | |
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| 205 | while ($this->db->next_record()) |
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| 206 | { |
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| 207 | $values[] = array( |
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| 208 | 'session_id' => $this->db->f('session_id'), |
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| 209 | 'session_lid' => $this->db->f('session_lid'), |
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| 210 | 'session_ip' => $this->db->f('session_ip'), |
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| 211 | 'session_logintime' => $this->db->f('session_logintime'), |
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| 212 | 'session_action' => $this->db->f('session_action'), |
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| 213 | 'session_dla' => $this->db->f('session_dla') |
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| 214 | ); |
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| 215 | } |
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| 216 | return $values; |
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| 217 | } |
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| 218 | |
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| 219 | /*! |
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| 220 | @function total |
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| 221 | @abstract get number of normal / non-anonymous sessions |
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| 222 | */ |
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| 223 | function total() |
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| 224 | { |
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| 225 | $this->db->query("select count(*) from phpgw_sessions where session_flags != 'A'",__LINE__,__FILE__); |
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| 226 | $this->db->next_record(); |
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| 227 | |
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| 228 | return $this->db->f(0); |
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| 229 | } |
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| 230 | } |
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| 231 | ?> |
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