egroupware_official/phpgwapi/inc/class.sessions.inc.php

296 lines
12 KiB
PHP

<?php
/**************************************************************************\
* phpGroupWare API - Session management *
* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
* and Joseph Engo <jengo@phpgroupware.org> *
* Copyright (C) 2000, 2001 Dan Kuykendall *
* -------------------------------------------------------------------------*
* This library is part of the phpGroupWare API *
* http://www.phpgroupware.org/api *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
class sessions
{
var $login;
var $passwd;
var $account_id;
var $account_lid;
var $account_domain;
var $sessionid;
var $kp3;
var $data;
var $db;
var $db2;
function sessions()
{
global $phpgw, $phpgw_info, $sessionid, $kp3;
$this->db = $phpgw->db;
$this->db2 = $phpgw->db;
$this->sessionid = $sessionid;
$this->kp3 = $kp3;
}
function getuser_ip()
{
global $REMOTE_ADDR, $HTTP_X_FORWARDED_FOR;
if ($HTTP_X_FORWARDED_FOR) {
return $HTTP_X_FORWARDED_FOR;
} else {
return $REMOTE_ADDR;
}
}
function verify()
{
global $phpgw, $phpgw_info, $sessionid, $kp3;
$db = $phpgw->db;
$db2 = $phpgw->db;
$this->sessionid = $sessionid;
$this->kp3 = $kp3;
$phpgw->common->key = $phpgw_info["server"]["encryptkey"];
$phpgw->common->key .= $this->sessionid;
$phpgw->common->key .= $this->kp3;
$phpgw->common->iv = $phpgw_info["server"]["mcrypt_iv"];
$cryptovars[0] = $phpgw->common->key;
$cryptovars[1] = $phpgw->common->iv;
$phpgw->crypto = CreateObject("phpgwapi.crypto", $cryptovars);
$db->query("select * from phpgw_sessions where session_id='" . $this->sessionid . "'",__LINE__,__FILE__);
$db->next_record();
// This is going to be replace with the session_flag field
if ($db->f("session_info") == "" || $db->f("session_info") == "NULL") {
/* $this->account_lid = $db->f("session_lid");
$phpgw_info["user"]["sessionid"] = $this->sessionid;
$phpgw_info["user"]["session_ip"] = $db->f("session_ip");
$t = explode("@",$db->f("session_lid"));
$this->account_lid = $t[0];
// Now we need to re-read eveything
$db->query("select * from phpgw_sessions where session_id='$this->sessionid'",__LINE__,__FILE__);
$db->next_record(); */
}
$phpgw_info["user"]["kp3"] = $this->kp3;
$phpgw_info_flags = $phpgw_info["flags"];
$phpgw_info = $phpgw->crypto->decrypt($db->f("session_info"));
$this->data = $phpgw_info["user"];
$phpgw_info["flags"] = $phpgw_info_flags;
$userid_array = explode("@",$db->f("session_lid"));
$this->account_lid = $userid_array[0];
if ($userid_array[1] != $phpgw_info["user"]["domain"]) {
return False;
}
if (PHP_OS != "Windows" && (! $phpgw_info["user"]["session_ip"] || $phpgw_info["user"]["session_ip"] != $this->getuser_ip())){
return False;
}
$this->update_dla();
$this->account_id = $phpgw->accounts->name2id($this->account_lid);
$phpgw->acl->acl($this->account_id);
$phpgw->accounts->accounts($this->account_id);
$phpgw->preferences->preferences($this->account_id);
$phpgw->applications->applications($this->account_id);
if (! $this->account_lid ) {
return False;
} else {
return True;
}
}
// This will remove stale sessions out of the database
function clean_sessions()
{
global $phpgw_info, $phpgw;
if (!isset($phpgw_info["server"]["cron_apps"]) || ! $phpgw_info["server"]["cron_apps"]) {
$phpgw->db->query("delete from phpgw_sessions where session_dla <= '" . (time() - 7200)
. "'",__LINE__,__FILE__);
}
}
function update_session_info()
{
global $phpgw, $phpgw_info;
$phpgw_info_temp = $phpgw_info;
$phpgw_info_temp["user"]["kp3"] = "";
$phpgw_info_temp["flags"] = array();
//$this->read_repositories();
if ($PHP_VERSION < "4.0.0") {
$info_string = addslashes($phpgw->crypto->encrypt($phpgw_info_temp));
} else {
$info_string = $phpgw->crypto->encrypt($phpgw_info_temp);
}
$phpgw->db->query("update phpgw_sessions set session_info='$info_string' where session_id='"
. $this->sessionid . "'",__LINE__,__FILE__);
}
function read_repositories()
{
global $phpgw_info, $phpgw;
$phpgw->acl->acl($this->account_id);
$phpgw->accounts->accounts($this->account_id);
$phpgw->preferences->preferences($this->account_id);
$phpgw->applications->applications($this->account_id);
$phpgw_info["user"] = $phpgw->accounts->read_repository();
$phpgw_info["user"]["acl"] = $phpgw->acl->read_repository();
$phpgw_info["user"]["preferences"] = $phpgw->preferences->read_repository();
$phpgw_info["user"]["apps"] = $phpgw->applications->read_repository();
@reset($phpgw_info["user"]["apps"]);
$phpgw_info["user"]["domain"] = $this->account_domain;
$phpgw_info["user"]["sessionid"] = $this->sessionid;
$phpgw_info["user"]["kp3"] = $this->kp3;
$phpgw_info["user"]["session_ip"] = $this->getuser_ip();
$phpgw_info["user"]["session_lid"] = $this->account_lid."@".$this->account_domain;
$phpgw_info["user"]["account_id"] = $this->account_id;
$phpgw_info["user"]["account_lid"] = $this->account_lid;
$phpgw_info["user"]["userid"] = $this->account_lid;
$phpgw_info["user"]["passwd"] = $this->passwd;
$this->data["user"] = $phpgw_info["user"];
$this->data["apps"] = $phpgw_info["apps"];
$this->data["server"] = $phpgw_info["server"];
$this->data["hooks"] = $phpgw->hooks->read();
$this->data["user"]["preferences"] = $phpgw_info["user"]["preferences"];
$this->data["user"]["kp3"] = "";
}
function create($login,$passwd)
{
global $phpgw_info, $phpgw;
$this->login = $login;
$this->clean_sessions();
$login_array = explode("@", $login);
$this->account_lid = $login_array[0];
if ($login_array[1]!="") {
$this->account_domain = $login_array[1];
} else {
$this->account_domain = $phpgw_info["server"]["default_domain"];
}
if ($phpgw_info["server"]["global_denied_users"][$this->account_lid]) {
return False;
}
if (! $phpgw->auth->authenticate($this->account_lid, $passwd)) {
return False;
exit;
}
if (!$phpgw->accounts->exists($this->account_lid) && $phpgw_info["server"]["auto_create_acct"] == True) {
$this->account_id = $accts->auto_add($this->account_lid, $passwd);
} else {
$this->account_id = $phpgw->accounts->name2id($this->account_lid);
}
$phpgw->accounts->account_id = $this->account_id;
$phpgw_info["user"] = $phpgw->accounts->read_repository();
$this->sessionid = md5($phpgw->common->randomstring(10));
$this->kp3 = md5($phpgw->common->randomstring(15));
$phpgw->common->key = $phpgw_info["server"]["encryptkey"];
$phpgw->common->key .= $this->sessionid;
$phpgw->common->key .= $this->kp3;
$phpgw->common->iv = $phpgw_info["server"]["mcrypt_iv"];
$cryptovars[0] = $phpgw->common->key;
$cryptovars[1] = $phpgw->common->iv;
$phpgw->crypto = CreateObject("phpgwapi.crypto", $cryptovars);
if ($phpgw_info["server"]["usecookies"]) {
Setcookie("sessionid",$this->sessionid);
Setcookie("kp3",$this->kp3);
Setcookie("domain",$this->account_domain);
Setcookie("last_domain",$this->account_domain,time()+1209600);
if ($this->account_domain == $phpgw_info["server"]["default_domain"]) {
Setcookie("last_loginid", $this->account_lid ,time()+1209600); // For 2 weeks
} else {
Setcookie("last_loginid", $login ,time()+1209600); // For 2 weeks
}
unset ($phpgw_info["server"]["default_domain"]); // we kill this for security reasons
}
// Why are we double encrypting it ?
// If mcrypt is already installed, the entire session_info field is all ready encrypted. (jengo)
$this->passwd = $phpgw->common->encrypt($passwd);
$this->read_repositories();
if ($PHP_VERSION < "4.0.0") {
$info_string = addslashes($phpgw->crypto->encrypt($this->data));
} else {
$info_string = $phpgw->crypto->encrypt($this->data);
}
$phpgw->db->query("insert into phpgw_sessions values ('" . $this->sessionid
. "','".$login."','" . $this->getuser_ip() . "','"
. time() . "','" . time() . "','".$info_string."')",__LINE__,__FILE__);
$phpgw->db->query("insert into phpgw_access_log values ('" . $this->sessionid . "','"
. "$login','" . $this->getuser_ip() . "','" . time()
. "','') ",__LINE__,__FILE__);
$phpgw->auth->update_lastlogin($this->account_id,$this->getuser_ip());
return $this->sessionid;
}
// This will update the DateLastActive column, so the login does not expire
function update_dla()
{
global $phpgw_info, $phpgw;
$phpgw->db->query("update phpgw_sessions set session_dla='" . time() . "' where session_id='"
. $this->sessionid."'",__LINE__,__FILE__);
}
function destroy()
{
global $phpgw, $phpgw_info, $sessionid, $kp3;
$phpgw_info["user"]["sessionid"] = $sessionid;
$phpgw_info["user"]["kp3"] = $kp3;
$phpgw->db->query("delete from phpgw_sessions where session_id='"
. $phpgw_info["user"]["sessionid"] . "'",__LINE__,__FILE__);
$phpgw->db->query("delete from phpgw_app_sessions where sessionid='"
. $phpgw_info["user"]["sessionid"] . "'",__LINE__,__FILE__);
$phpgw->db->query("update phpgw_access_log set lo='" . time() . "' where sessionid='"
. $phpgw_info["user"]["sessionid"] . "'",__LINE__,__FILE__);
if ($phpgw_info["server"]["usecookies"]) {
Setcookie("sessionid");
Setcookie("kp3");
if ($phpgw_info["multiable_domains"]) {
Setcookie("domain");
}
}
$this->clean_sessions();
return True;
}
}
?>