forked from extern/egroupware
219 lines
8.8 KiB
PHP
219 lines
8.8 KiB
PHP
<?php
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/**************************************************************************\
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* phpGroupWare API - Session management *
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* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
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* and Joseph Engo <jengo@phpgroupware.org> *
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* Copyright (C) 2000, 2001 Dan Kuykendall *
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* -------------------------------------------------------------------------*
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* This library is part of the phpGroupWare API *
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* http://www.phpgroupware.org/api *
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* ------------------------------------------------------------------------ *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published by *
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* the Free Software Foundation; either version 2.1 of the License, *
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* or any later version. *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* See the GNU Lesser General Public License for more details. *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this library; if not, write to the Free Software Foundation, *
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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\**************************************************************************/
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/* $Id$ */
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class sessions
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{
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function getuser_ip()
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{
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global $REMOTE_ADDR, $HTTP_X_FORWARDED_FOR;
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if ($HTTP_X_FORWARDED_FOR) {
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return $HTTP_X_FORWARDED_FOR;
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} else {
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return $REMOTE_ADDR;
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}
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}
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function verify()
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{
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global $phpgw, $phpgw_info, $sessionid, $kp3;
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$db = $phpgw->db;
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$db2 = $phpgw->db;
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// PHP 3 complains that these are not defined when the already are defined.
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$phpgw->common->key = $phpgw_info["server"]["encryptkey"];
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$phpgw->common->key .= $sessionid;
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$phpgw->common->key .= $kp3;
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$phpgw->common->iv = $phpgw_info["server"]["mcrypt_iv"];
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$cryptovars[0] = $phpgw->common->key;
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$cryptovars[1] = $phpgw->common->iv;
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$phpgw->crypto = CreateObject("phpgwapi.crypto", $cryptovars);
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$db->query("select * from phpgw_sessions where session_id='$sessionid'",__LINE__,__FILE__);
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$db->next_record();
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if ($db->f("session_info") == "" || $db->f("session_info") == "NULL") {
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$phpgw_info["user"]["account_lid"] = $db->f("session_lid");
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$phpgw_info["user"]["sessionid"] = $sessionid;
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$phpgw_info["user"]["session_ip"] = $db->f("session_ip");
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$t = explode("@",$db->f("session_lid"));
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$phpgw_info["user"]["userid"] = $t[0];
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//$phpgw->accounts->sync(__LINE__,__FILE__);
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// Now we need to re-read eveything
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$db->query("select * from phpgw_sessions where session_id='$sessionid'",__LINE__,__FILE__);
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$db->next_record();
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}
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$phpgw_info["user"]["kp3"] = $kp3;
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$phpgw_info_flags = $phpgw_info["flags"];
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$phpgw_info = $phpgw->crypto->decrypt($db->f("session_info"));
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$phpgw_info["flags"] = $phpgw_info_flags;
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$userid_array = explode("@",$db->f("session_lid"));
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$phpgw_info["user"]["userid"] = $userid_array[0];
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if ($userid_array[1] != $phpgw_info["user"]["domain"]) {
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return False;
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}
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if (PHP_OS != "Windows" && (! $phpgw_info["user"]["session_ip"] || $phpgw_info["user"]["session_ip"] != $this->getuser_ip())){
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return False;
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}
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$this->update_dla();
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if (! $phpgw_info["user"]["userid"] ) {
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return False;
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} else {
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// PHP 3 complains that these are not defined when the already are defined.
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return True;
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}
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}
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// This will remove stale sessions out of the database
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function clean_sessions()
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{
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global $phpgw_info, $phpgw;
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// Note: I need to add a db->lock() in here
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if (!isset($phpgw_info["server"]["cron_apps"]) || ! $phpgw_info["server"]["cron_apps"]) {
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$phpgw->db->query("delete from phpgw_sessions where session_dla <= '" . (time() - 7200)
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. "'",__LINE__,__FILE__);
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}
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}
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function create($login,$passwd)
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{
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global $phpgw_info, $phpgw;
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$this->clean_sessions();
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$login_array = explode("@", $login);
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$phpgw_info["user"]["userid"] = $login_array[0];
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if ($phpgw_info["server"]["global_denied_users"][$phpgw_info["user"]["userid"]]) {
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return False;
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}
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if (! $phpgw->auth->authenticate($phpgw_info["user"]["userid"], $passwd)) {
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return False;
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exit;
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}
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$accts = CreateObject("phpgwapi.accounts");
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if (!$accts->exists($phpgw_info["user"]["userid"])) {
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$accts->auto_generate($phpgw_info["user"]["userid"], $passwd);
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}
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$phpgw->accounts->account_id = $phpgw->accounts->name2id($phpgw_info["user"]["userid"]);
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$phpgw->accounts->read();
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$t_domain = $phpgw_info["user"]["domain"]; // We loose this info on the next line
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$phpgw_info["user"] = $phpgw->accounts->read_repository();
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$phpgw_info["user"]["domain"] = $t_domain;
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$phpgw_info["user"]["sessionid"] = md5($phpgw->common->randomstring(10));
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$phpgw_info["user"]["kp3"] = md5($phpgw->common->randomstring(15));
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$phpgw->common->key = $phpgw_info["server"]["encryptkey"];
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$phpgw->common->key .= $phpgw_info["user"]["sessionid"];
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$phpgw->common->key .= $phpgw_info["user"]["kp3"];
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$phpgw->common->iv = $phpgw_info["server"]["mcrypt_iv"];
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$cryptovars[0] = $phpgw->common->key;
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$cryptovars[1] = $phpgw->common->iv;
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$phpgw->crypto = CreateObject("phpgwapi.crypto", $cryptovars);
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$phpgw_info["user"]["passwd"] = $phpgw->common->encrypt($passwd);
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if ($phpgw_info["server"]["usecookies"]) {
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Setcookie("sessionid",$phpgw_info["user"]["sessionid"]);
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Setcookie("kp3",$phpgw_info["user"]["kp3"]);
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Setcookie("domain",$phpgw_info["user"]["domain"]);
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Setcookie("last_domain",$phpgw_info["user"]["domain"],time()+1209600);
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if ($phpgw_info["user"]["domain"] ==$phpgw_info["server"]["default_domain"]) {
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Setcookie("last_loginid",$phpgw_info["user"]["userid"],time()+1209600); // For 2 weeks
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} else {
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Setcookie("last_loginid",$loginid,time()+1209600); // For 2 weeks
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}
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unset ($phpgw_info["server"]["default_domain"]); // we kill this for security reasons
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}
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$phpgw_info["user"]["session_ip"] = $this->getuser_ip();
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$phpgw->db->query("insert into phpgw_sessions values ('" . $phpgw_info["user"]["sessionid"]
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. "','".$login."','" . $this->getuser_ip() . "','"
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. time() . "','" . time() . "','')",__LINE__,__FILE__);
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$phpgw->accounts->save_repository();
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$phpgw->db->query("insert into phpgw_access_log values ('" . $phpgw_info["user"]["sessionid"] . "','"
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. "$login','" . $this->getuser_ip() . "','" . time()
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. "','') ",__LINE__,__FILE__);
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$phpgw->auth->update_lastlogin($login,$this->getuser_ip());
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return $phpgw_info["user"]["sessionid"];
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}
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// This will update the DateLastActive column, so the login does not expire
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function update_dla()
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{
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global $phpgw_info, $phpgw;
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$phpgw->db->query("update phpgw_sessions set session_dla='" . time() . "' where session_id='"
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. $phpgw_info["user"]["sessionid"]."'",__LINE__,__FILE__);
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}
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function destroy()
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{
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global $phpgw, $phpgw_info, $sessionid, $kp3;
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$phpgw_info["user"]["sessionid"] = $sessionid;
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$phpgw_info["user"]["kp3"] = $kp3;
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$phpgw->db->query("delete from phpgw_sessions where session_id='"
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. $phpgw_info["user"]["sessionid"] . "'",__LINE__,__FILE__);
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$phpgw->db->query("delete from phpgw_app_sessions where sessionid='"
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. $phpgw_info["user"]["sessionid"] . "'",__LINE__,__FILE__);
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$phpgw->db->query("update phpgw_access_log set lo='" . time() . "' where sessionid='"
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. $phpgw_info["user"]["sessionid"] . "'",__LINE__,__FILE__);
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if ($phpgw_info["server"]["usecookies"]) {
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Setcookie("sessionid");
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Setcookie("kp3");
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if ($phpgw_info["multiable_domains"]) {
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Setcookie("domain");
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}
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}
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$this->clean_sessions();
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return True;
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}
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}
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?>
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