mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-26 00:29:38 +01:00
489 lines
18 KiB
PHP
489 lines
18 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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var $use_cache = True; // If you want to cache the phpgw_info array
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var $login;
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var $passwd;
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var $account_id;
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var $account_lid;
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var $account_domain;
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var $sessionid;
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var $kp3;
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var $data;
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var $db;
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var $db2;
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/*************************************************************************\
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* Constructor just loads up some defaults from cookies *
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\*************************************************************************/
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function sessions()
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{
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global $phpgw, $phpgw_info, $sessionid, $kp3;
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$this->db = $phpgw->db;
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$this->db2 = $phpgw->db;
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$this->sessionid = $sessionid;
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$this->kp3 = $kp3;
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}
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/*************************************************************************\
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* Functions for creating and verifying the session *
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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 = $phpgw->db;
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$this->sessionid = $sessionid;
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$this->kp3 = $kp3;
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$phpgw->common->key = $phpgw_info["server"]["encryptkey"];
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$phpgw->common->key .= $this->sessionid;
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$phpgw->common->key .= $this->kp3;
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$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='" . $this->sessionid . "'",__LINE__,__FILE__);
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$db->next_record();
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// This is going to be replace with the session_flag field
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if ($db->f("session_info") == "" || $db->f("session_info") == "NULL") {
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/* $this->account_lid = $db->f("session_lid");
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$phpgw_info["user"]["sessionid"] = $this->sessionid;
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$phpgw_info["user"]["session_ip"] = $db->f("session_ip");
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$t = explode("@",$db->f("session_lid"));
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$this->account_lid = $t[0];
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// Now we need to re-read eveything
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$db->query("select * from phpgw_sessions where session_id='$this->sessionid'",__LINE__,__FILE__);
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$db->next_record(); */
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}
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$login_array = explode("@", $db->f("session_lid"));
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$this->account_lid = $login_array[0];
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if ($login_array[1]!="") {
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$this->account_domain = $login_array[1];
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} else {
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$this->account_domain = $phpgw_info["server"]["default_domain"];
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}
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$phpgw_info["user"]["kp3"] = $this->kp3;
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$phpgw_info_flags = $phpgw_info["flags"];
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$phpgw_info["flags"] = $phpgw_info_flags;
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$userid_array = explode("@",$db->f("session_lid"));
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$this->account_lid = $userid_array[0];
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$this->update_dla();
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$this->account_id = $phpgw->accounts->name2id($this->account_lid);
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if ($this->use_cache) {
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$t = $this->appsession('phpgw_info_cache','phpgwapi');
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$phpgw_info["server"] = $t["server"];
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$phpgw_info["user"] = $t["user"];
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$phpgw_info["hooks"] = $t["hooks"];
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} else {
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$this->read_repositories();
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$phpgw_info["user"] = $this->user;
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$phpgw_info["hooks"] = $this->hooks;
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}
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$phpgw_info["user"]["session_ip"] = $db->f("session_ip");
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if ($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"] != $this->getuser_ip())){
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return False;
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}
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$phpgw->acl->acl($this->account_id);
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$phpgw->accounts->accounts($this->account_id);
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$phpgw->preferences->preferences($this->account_id);
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$phpgw->applications->applications($this->account_id);
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if (! $this->account_lid ) {
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return False;
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} else {
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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, $phpgw;
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if (!isset($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->login = $login;
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$this->clean_sessions();
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$login_array = explode("@", $login);
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$this->account_lid = $login_array[0];
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if ($login_array[1]!="") {
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$this->account_domain = $login_array[1];
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} else {
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$this->account_domain = $phpgw_info["server"]["default_domain"];
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}
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if ($phpgw_info["server"]["global_denied_users"][$this->account_lid]) {
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return False;
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}
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if (! $phpgw->auth->authenticate($this->account_lid, $passwd)) {
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return False;
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exit;
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}
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if (!$phpgw->accounts->exists($this->account_lid) && $phpgw_info["server"]["auto_create_acct"] == True) {
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$this->account_id = $accts->auto_add($this->account_lid, $passwd);
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} else {
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$this->account_id = $phpgw->accounts->name2id($this->account_lid);
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}
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$phpgw->accounts->account_id = $this->account_id;
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$this->sessionid = md5($phpgw->common->randomstring(10));
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$this->kp3 = md5($phpgw->common->randomstring(15));
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$phpgw->common->key = $phpgw_info["server"]["encryptkey"];
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$phpgw->common->key .= $this->sessionid;
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$phpgw->common->key .= $this->kp3;
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$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", $cryptovars);
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if ($phpgw_info["server"]["usecookies"]) {
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Setcookie("sessionid",$this->sessionid);
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Setcookie("kp3",$this->kp3);
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Setcookie("domain",$this->account_domain);
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Setcookie("last_domain",$this->account_domain,time()+1209600);
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if ($this->account_domain == $phpgw_info["server"]["default_domain"]) {
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Setcookie("last_loginid", $this->account_lid ,time()+1209600); // For 2 weeks
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} else {
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Setcookie("last_loginid", $login ,time()+1209600); // For 2 weeks
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}
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unset ($phpgw_info["server"]["default_domain"]); // we kill this for security reasons
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}
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$this->read_repositories();
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$phpgw_info["user"] = $this->user;
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$phpgw_info["hooks"] = $this->hooks;
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if ($this->use_cache) {
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$this->appsession('phpgw_info_cache','phpgwapi',$phpgw_info);
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}
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// This is going to be stored by appsessions in its own record
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// $this->passwd = $phpgw->common->encrypt($passwd);
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$phpgw->db->query("insert into phpgw_sessions values ('" . $this->sessionid
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. "','".$login."','" . $this->getuser_ip() . "','"
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. time() . "','" . time() . "','".$info_string."')",__LINE__,__FILE__);
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$phpgw->db->query("insert into phpgw_access_log values ('" . $this->sessionid . "','"
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. "$login','" . $this->getuser_ip() . "','" . time()
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. "','') ",__LINE__,__FILE__);
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$phpgw->auth->update_lastlogin($this->account_id,$this->getuser_ip());
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return $this->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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. $this->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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* Functions for appsession data and session cache *
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\*************************************************************************/
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function read_repositories()
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{
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global $phpgw;
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$phpgw->acl->acl($this->account_id);
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$phpgw->accounts->accounts($this->account_id);
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$phpgw->preferences->preferences($this->account_id);
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$phpgw->applications->applications($this->account_id);
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$this->user = $phpgw->accounts->read_repository();
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$this->user["acl"] = $phpgw->acl->read_repository();
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$this->user["preferences"] = $phpgw->preferences->read_repository();
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$this->user["apps"] = $phpgw->applications->read_repository();
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//@reset($this->data["user"]["apps"]);
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$this->user["domain"] = $this->account_domain;
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$this->user["sessionid"] = $this->sessionid;
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$this->user["kp3"] = $this->kp3;
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$this->user["session_ip"] = $this->getuser_ip();
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$this->user["session_lid"] = $this->account_lid."@".$this->account_domain;
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$this->user["account_id"] = $this->account_id;
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$this->user["account_lid"] = $this->account_lid;
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$this->user["userid"] = $this->account_lid;
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$this->user["passwd"] = $this->passwd;
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$this->hooks = $phpgw->hooks->read();
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}
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function save_repositories()
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{
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global $phpgw, $phpgw_info;
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$phpgw_info_temp = $phpgw_info;
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$phpgw_info_temp["user"]["kp3"] = "";
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$phpgw_info_temp["flags"] = array();
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if ($this->use_cache) {
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$this->appsessions("phpgw_info_cache","phpgwapi",$phpgw_info_temp);
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}
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}
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function appsession($location = "default", $appname = "", $data = "##NOTHING##")
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{
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global $phpgw_info, $phpgw;
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if (! $appname) {
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$appname = $phpgw_info['flags']['currentapp'];
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}
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/* This allows the user to put "" as the value. */
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if ($data == "##NOTHING##") {
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$phpgw->db->query('select content from phpgw_app_sessions where'
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.' sessionid = "'.$this->sessionid.'" and loginid = "'.$this->account_id.'"'
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.' and app = "'.$appname.'" and location = "'.$location.'"',__LINE__,__FILE__);
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$phpgw->db->next_record();
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$data = $phpgw->db->f("content");
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$data = $phpgw->common->decrypt($data);
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return $data;
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} else {
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$phpgw->db->query('select content from phpgw_app_sessions where '
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. 'sessionid = "'.$this->sessionid.'" and loginid = "'.$this->account_id.'" '
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. 'and app = "'.$appname.'" and location = "'.$location.'"',__LINE__,__FILE__);
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if ($phpgw->db->num_rows()==0) {
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$data = addslashes($phpgw->crypto->encrypt(serialize($data)));
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$phpgw->db->query('INSERT INTO phpgw_app_sessions (sessionid,loginid,app,location,content) '
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. 'VALUES ("'.$this->sessionid.'","'.$this->account_id.'","'.$appname
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. '","'.$location.'","'.$data.'")',__LINE__,__FILE__);
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} else {
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$phpgw->db->query('update phpgw_app_sessions set content = "'.$data.'" '
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. 'where sessionid = "'.$this->sessionid.'" '
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. 'and loginid = "'.$this->account_id.'" and app = "'.$appname.'" '
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. 'and location = "'.$location.'"',__LINE__,__FILE__);
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}
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return $data;
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}
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}
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function restore()
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{
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global $phpgw;
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$serializedData = $phpgw->common->appsession();
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$sessionData = unserialize($serializedData);
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if (is_array($sessionData))
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{
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reset($sessionData);
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while(list($key,$value) = each($sessionData))
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{
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global $$key;
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$$key = $value;
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$this->variableNames[$key]="registered";
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#print "restored: ".$key.", $value<br>";
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}
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}
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}
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// save the current values of the variables
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function save()
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{
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global $phpgw;
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if (is_array($this->variableNames))
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{
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reset($this->variableNames);
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while(list($key, $value) = each($this->variableNames))
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{
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if ($value == "registered")
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{
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global $$key;
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$sessionData[$key] = $$key;
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}
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}
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$serializedData = addslashes(serialize($sessionData));
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$phpgw->common->appsession($serializedData);
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}
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}
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// create a list a variable names, wich data need's to be restored
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function register($_variableName)
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{
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$this->variableNames[$_variableName]="registered";
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#print "registered $_variableName<br>";
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}
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// mark variable as unregistered
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function unregister($_variableName)
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{
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$this->variableNames[$_variableName]="unregistered";
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#print "unregistered $_variableName<br>";
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}
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// check if we have a variable registred already
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function is_registered($_variableName)
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{
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if ($this->variableNames[$_variableName] == "registered")
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{
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return True;
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}
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else
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{
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return False;
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}
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}
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/*************************************************************************\
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* Function to handle session support via url or cookies *
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\*************************************************************************/
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function link($url = "", $extravars = "")
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{
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global $phpgw, $phpgw_info, $usercookie, $kp3, $PHP_SELF;
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/* Fix problems when PHP_SELF if used as the param */
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if ($url == $PHP_SELF){ $url = ""; }
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if (! $kp3) { $kp3 = $phpgw_info["user"]["kp3"]; }
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// Explicit hack to work around problems with php running as CGI on windows
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// please let us know if this doesn't work for you!
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if (! $url && (PHP_OS == "Windows" || PHP_OS == "OS/2" || PHP_OS == "WIN32" || PHP_OS == "WIN16")) {
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$exe = strpos($PHP_SELF,"php.exe");
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if ($exe != false) {
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$exe += 7; // strlen("php.exe")
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$url_root = split ("/", $phpgw_info["server"]["webserver_url"]);
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$url = (strlen($url_root[0])? $url_root[0].'//':'') . $url_root[2];
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$url .= substr($PHP_SELF,$exe,strlen($PHP_SELF)-$exe);
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}
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}
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if (! $url) {
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$url_root = split ("/", $phpgw_info["server"]["webserver_url"]);
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/* Some hosting providers have their paths screwy.
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If the value from $PHP_SELF is not what you expect, you can use this to patch it
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It will need to be adjusted to your specific problem tho.
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*/
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//$patched_php_self = str_replace("/php4/php/phpgroupware", "/phpgroupware", $PHP_SELF);
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$patched_php_self = $PHP_SELF;
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$url = (strlen($url_root[0])? $url_root[0].'//':'') . $url_root[2] . $patched_php_self;
|
|
}
|
|
|
|
if (isset($phpgw_info["server"]["usecookies"]) &&
|
|
$phpgw_info["server"]["usecookies"]) {
|
|
if ($extravars) { $url .= "?$extravars"; }
|
|
} else {
|
|
$url .= "?sessionid=" . $phpgw_info["user"]["sessionid"];
|
|
$url .= "&kp3=" . $kp3;
|
|
$url .= "&domain=" . $phpgw_info["user"]["domain"];
|
|
// This doesn't belong in the API.
|
|
// Its up to the app to pass this value. (jengo)
|
|
// Putting it into the app requires a massive number of updates in email app.
|
|
// Until that happens this needs to stay here (seek3r)
|
|
if ($phpgw_info["flags"]["newsmode"]) { $url .= "&newsmode=on"; }
|
|
if ($extravars) { $url .= "&$extravars"; }
|
|
}
|
|
|
|
$url = str_replace("/?", "/index.php?", $url);
|
|
$webserver_url_count = strlen($phpgw_info["server"]["webserver_url"]);
|
|
$slash_check = strtolower(substr($url ,0,1));
|
|
if(substr($url ,0,$webserver_url_count) != $phpgw_info["server"]["webserver_url"]) {
|
|
$app = $phpgw_info["flags"]["currentapp"];
|
|
if($slash_check == "/") {
|
|
$url = $phpgw_info["server"]["webserver_url"].$url;
|
|
} elseif ($app == "home" || $app == "logout" || $app == "login"){
|
|
$url = $phpgw_info["server"]["webserver_url"]."/".$url;
|
|
}else{
|
|
$url = $phpgw_info["server"]["webserver_url"]."/".$app."/".$url;
|
|
}
|
|
}
|
|
return $url;
|
|
}
|
|
}
|
|
?>
|