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egroupware/phpgwapi/inc/class.sessions_php4.inc.php

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<?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 *
\**************************************************************************/
/* $Id$ */
/*
** Reserved session_flags
** A - anonymous session
** N - None, normal session
*/
class sessions
{
var $login;
var $passwd;
var $account_id;
var $account_lid;
var $account_domain;
var $session_flags;
var $sessionid;
var $kp3;
var $key;
var $iv;
var $data;
var $public_functions = array(
'list_methods' => True,
'update_dla' => True
);
/*************************************************************************\
* Constructor just loads up some defaults from cookies *
\*************************************************************************/
function sessions()
{
$this->sessionid = get_var('sessionid',Array('COOKIE','GET'));
$this->kp3 = get_var('kp3',Array('COOKIE','GET'));
/* Create the crypto object */
$GLOBALS['phpgw']->crypto = CreateObject('phpgwapi.crypto');
}
function DONTlist_methods($_type)
{
if (is_array($_type))
{
$_type = $_type['type'];
}
switch($_type)
{
case 'xmlrpc':
$xml_functions = array(
'list_methods' => array(
'function' => 'list_methods',
'signature' => array(array(xmlrpcStruct,xmlrpcString)),
'docstring' => lang('Read this list of methods.')
),
'update_dla' => array(
'function' => 'update_dla',
'signature' => array(array(xmlrpcBoolean)),
'docstring' => lang('Returns an array of todo items')
)
);
return $xml_functions;
break;
case 'soap':
return $this->soap_functions;
break;
default:
return array();
break;
}
}
/*************************************************************************\
* Functions for creating and verifying the session *
\*************************************************************************/
function getuser_ip()
{
global $HTTP_SERVER_VARS,$REMOTE_ADDR,$HTTP_X_FORWARDED_FOR;
if ($GLOBALS['HTTP_X_FORWARDED_FOR'] || $HTTP_X_FORWARDED_FOR)
{
return $GLOBALS['HTTP_X_FORWARDED_FOR'] ? $GLOBALS['HTTP_X_FORWARDED_FOR'] : $HTTP_X_FORWARDED_FOR;
}
else
{
return $GLOBALS['HTTP_SERVER_VARS']['REMOTE_ADDR'] ? $GLOBALS['HTTP_SERVER_VARS']['REMOTE_ADDR'] : $REMOTE_ADDR;
}
}
function verify($sessionid='',$kp3='')
{
if(empty($sessionid) || !$sessionid)
{
$sessionid = get_var('sessionid',array('COOKIE'));
if(@empty($sessionid))
{
$sessionid = get_var('sessionid',array('GET'));
}
$kp3 = get_var('kp3',array('COOKIE'));
if(@empty($kp3))
{
$kp3 = get_var('kp3',array('GET'));
}
}
$this->sessionid = $sessionid;
$this->kp3 = $kp3;
session_start();
$GLOBALS['phpgw_session'] = $GLOBALS['HTTP_SESSION_VARS']['phpgw_session'];
$this->session_flags = $GLOBALS['phpgw_session']['session_flags'];
$login_array = explode('@',$GLOBALS['phpgw_session']['session_lid']);
$this->account_lid = $login_array[0];
if (@$login_array[1] != '')
{
$this->account_domain = $login_array[1];
}
else
{
$this->account_domain = $GLOBALS['phpgw_info']['server']['default_domain'];
}
$GLOBALS['phpgw_info']['user']['kp3'] = $this->kp3;
$userid_array = explode('@',$GLOBALS['phpgw_session']['session_lid']);
// Thinking this might solve auth_http problems
if(@$userid_array[1] == '')
{
$userid_array[1] = 'default';
}
$this->account_lid = $userid_array[0];
$this->update_dla();
$this->account_id = $GLOBALS['phpgw']->accounts->name2id($this->account_lid);
if (!$this->account_id)
{
return False;
}
$GLOBALS['phpgw_info']['user']['account_id'] = $this->account_id;
/* init the crypto object before appsession call below */
$this->key = md5($this->kp3 . $this->sessionid . $GLOBALS['phpgw_info']['server']['encryptkey']);
$this->iv = $GLOBALS['phpgw_info']['server']['mcrypt_iv'];
$GLOBALS['phpgw']->crypto->init(array($this->key,$this->iv));
$this->read_repositories(@$GLOBALS['phpgw_info']['server']['cache_phpgw_info']);
if ($this->user['expires'] != -1 && $this->user['expires'] < time())
{
if(is_object($GLOBALS['phpgw']->log))
{
$GLOBALS['phpgw']->log->message(array(
'text' => 'W-VerifySession, account loginid %1 is expired',
'p1' => $this->account_lid,
'line' => __LINE__,
'file' => __FILE__
));
$GLOBALS['phpgw']->log->commit();
}
if(is_object($GLOBALS['phpgw']->crypto))
{
$GLOBALS['phpgw']->crypto->cleanup();
unset($GLOBALS['phpgw']->crypto);
}
return False;
}
$GLOBALS['phpgw_info']['user'] = $this->user;
$GLOBALS['phpgw_info']['hooks'] = $this->hooks;
$GLOBALS['phpgw_info']['user']['session_ip'] = $GLOBALS['phpgw_session']['session_ip'];
$GLOBALS['phpgw_info']['user']['passwd'] = base64_decode($this->appsession('password','phpgwapi'));
if ($userid_array[1] != $GLOBALS['phpgw_info']['user']['domain'])
{
if(is_object($GLOBALS['phpgw']->log))
{
$GLOBALS['phpgw']->log->message(array(
'text' => 'W-VerifySession, the domains %1 and %2 don\'t match',
'p1' => $userid_array[1],
'p2' => $GLOBALS['phpgw_info']['user']['domain'],
'line' => __LINE__,
'file' => __FILE__
));
$GLOBALS['phpgw']->log->commit();
}
if(is_object($GLOBALS['phpgw']->crypto))
{
$GLOBALS['phpgw']->crypto->cleanup();
unset($GLOBALS['phpgw']->crypto);
}
return False;
}
if (@$GLOBALS['phpgw_info']['server']['sessions_checkip'])
{
if (PHP_OS != 'Windows' && (! $GLOBALS['phpgw_info']['user']['session_ip'] || $GLOBALS['phpgw_info']['user']['session_ip'] != $this->getuser_ip()))
{
if(is_object($GLOBALS['phpgw']->log))
{
// This needs some better wording
$GLOBALS['phpgw']->log->message(array(
'text' => 'W-VerifySession, IP %1 doesn\'t match IP %2 in session table',
'p1' => $this->getuser_ip(),
'p2' => $GLOBALS['phpgw_info']['user']['session_ip'],
'line' => __LINE__,
'file' => __FILE__
));
$GLOBALS['phpgw']->log->commit();
}
if(is_object($GLOBALS['phpgw']->crypto))
{
$GLOBALS['phpgw']->crypto->cleanup();
unset($GLOBALS['phpgw']->crypto);
}
return False;
}
}
$GLOBALS['phpgw']->acl->acl($this->account_id);
$GLOBALS['phpgw']->accounts->accounts($this->account_id);
$GLOBALS['phpgw']->preferences->preferences($this->account_id);
$GLOBALS['phpgw']->applications->applications($this->account_id);
if (! $this->account_lid)
{
if(is_object($GLOBALS['phpgw']->log))
{
// This needs some better wording
$GLOBALS['phpgw']->log->message(array(
'text' => 'W-VerifySession, account_id is empty',
'line' => __LINE__,
'file' => __FILE__
));
$GLOBALS['phpgw']->log->commit();
}
if(is_object($GLOBALS['phpgw']->crypto))
{
$GLOBALS['phpgw']->crypto->cleanup();
unset($GLOBALS['phpgw']->crypto);
}
return False;
}
else
{
return True;
}
}
// This will remove stale sessions out of the database
function clean_sessions()
{
// With php4 sessions support this isnt really our job
}
function create($login,$passwd = '',$passwd_type = '')
{
if (is_array($login))
{
$this->login = $login['login'];
$this->passwd = $login['passwd'];
$this->passwd_type = $login['passwd_type'];
$login = $this->login;
}
else
{
$this->login = $login;
$this->passwd = $passwd;
$this->passwd_type = $passwd_type;
}
$this->clean_sessions();
$login_array = explode('@', $login);
$this->account_lid = $login_array[0];
$now = time();
if ($login_array[1] != '')
{
$this->account_domain = $login_array[1];
}
else
{
$this->account_domain = $GLOBALS['phpgw_info']['server']['default_domain'];
}
if ($GLOBALS['phpgw_info']['server']['global_denied_users'][$this->account_lid])
{
return False;
}
if (! $GLOBALS['phpgw']->auth->authenticate($this->account_lid, $this->passwd, $this->passwd_type) || $GLOBALS['phpgw']->accounts->get_type($this->account_lid) == 'g')
{
return False;
exit;
}
if (!$GLOBALS['phpgw']->accounts->exists($this->account_lid) && $GLOBALS['phpgw_info']['server']['auto_create_acct'] == True)
{
$this->account_id = $GLOBALS['phpgw']->accounts->auto_add($this->account_lid, $passwd);
}
else
{
$this->account_id = $GLOBALS['phpgw']->accounts->name2id($this->account_lid);
}
$GLOBALS['phpgw_info']['user']['account_id'] = $this->account_id;
$GLOBALS['phpgw']->accounts->accounts($this->account_id);
$this->sessionid = md5($GLOBALS['phpgw']->common->randomstring(10));
$this->kp3 = md5($GLOBALS['phpgw']->common->randomstring(15));
if ($GLOBALS['phpgw_info']['server']['usecookies'])
{
Setcookie('sessionid',$this->sessionid);
Setcookie('kp3',$this->kp3);
Setcookie('domain',$this->account_domain);
Setcookie('last_domain',$this->account_domain,$now+1209600);
if ($this->account_domain == $GLOBALS['phpgw_info']['server']['default_domain'])
{
Setcookie('last_loginid', $this->account_lid ,$now+1209600); /* For 2 weeks */
}
else
{
Setcookie('last_loginid', $login ,$now+1209600); /* For 2 weeks */
}
unset($GLOBALS['phpgw_info']['server']['default_domain']); /* we kill this for security reasons */
}
$this->read_repositories(False);
if ($this->user['expires'] != -1 && $this->user['expires'] < time())
{
if(is_object($GLOBALS['phpgw']->log))
{
$GLOBALS['phpgw']->log->message(array(
'text' => 'W-LoginFailure, account loginid %1 is expired',
'p1' => $this->account_lid,
'line' => __LINE__,
'file' => __FILE__
));
$GLOBALS['phpgw']->log->commit();
}
return False;
}
/* init the crypto object */
$this->key = md5($this->kp3 . $this->sessionid . $GLOBALS['phpgw_info']['server']['encryptkey']);
$this->iv = $GLOBALS['phpgw_info']['server']['mcrypt_iv'];
$GLOBALS['phpgw']->crypto->init(array($this->key,$this->iv));
$GLOBALS['phpgw_info']['user'] = $this->user;
$GLOBALS['phpgw_info']['hooks'] = $this->hooks;
$this->appsession('password','phpgwapi',base64_encode($this->passwd));
if ($GLOBALS['phpgw']->acl->check('anonymous',1,'phpgwapi'))
{
$session_flags = 'A';
}
else
{
$session_flags = 'N';
}
$user_ip = $this->getuser_ip();
session_start();
$GLOBALS['phpgw_session']['session_id'] = $this->sessionid;
$GLOBALS['phpgw_session']['session_lid'] = $login;
$GLOBALS['phpgw_session']['session_ip'] = $user_ip;
$GLOBALS['phpgw_session']['session_logintime'] = $now;
$GLOBALS['phpgw_session']['session_dla'] = $now;
$GLOBALS['phpgw_session']['session_action'] = $GLOBALS['PHP_SELF'];
$GLOBALS['phpgw_session']['session_flags'] = $session_flags;
session_register('phpgw_session');
$GLOBALS['HTTP_SESSION_VARS']['phpgw_session'] = $GLOBALS['phpgw_session'];
//$GLOBALS['phpgw']->db->query('INSERT INTO phpgw_access_log(sessionid,loginid,ip,li,lo,account_id) '
// ." VALUES ('" . $this->sessionid . "','" . "$login','" . $user_ip . "',".$now.",''," . $this->account_id . ")",__LINE__,__FILE__);
$this->appsession('account_previous_login','phpgwapi',$GLOBALS['phpgw']->auth->previous_login);
$GLOBALS['phpgw']->auth->update_lastlogin($this->account_id,$user_ip);
return $this->sessionid;
}
function verify_server($sessionid, $kp3)
{
$GLOBALS['phpgw']->interserver = CreateObject('phpgwapi.interserver');
$this->sessionid = $sessionid;
$this->kp3 = $kp3;
session_start();
$GLOBALS['phpgw_session'] = $GLOBALS['HTTP_SESSION_VARS']['phpgw_session'];
$this->session_flags = $GLOBALS['phpgw_session']['session_flags'];
$login_array = explode('@', $GLOBALS['phpgw_session']['session_lid']);
$this->account_lid = $login_array[0];
if (@$login_array[1] != '')
{
$this->account_domain = $login_array[1];
}
else
{
$this->account_domain = $GLOBALS['phpgw_info']['server']['default_domain'];
}
$GLOBALS['phpgw_info']['user']['kp3'] = $this->kp3;
$phpgw_info_flags = $GLOBALS['phpgw_info']['flags'];
$GLOBALS['phpgw_info']['flags'] = $phpgw_info_flags;
$userid_array = explode('@',$GLOBALS['phpgw_session']['session_lid']);
// Thinking this might solve auth_http problems
if(@$userid_array[1] == '')
{
$userid_array[1] = 'default';
}
$this->account_lid = $userid_array[1];
$this->update_dla();
$this->account_id = $GLOBALS['phpgw']->interserver->name2id($this->account_lid);
if (!$this->account_id)
{
return False;
}
$GLOBALS['phpgw_info']['user']['account_id'] = $this->account_id;
$this->read_repositories(@$GLOBALS['phpgw_info']['server']['cache_phpgw_info']);
/* init the crypto object before appsession call below */
$this->key = md5($this->kp3 . $this->sessionid . $GLOBALS['phpgw_info']['server']['encryptkey']);
$this->iv = $GLOBALS['phpgw_info']['server']['mcrypt_iv'];
$GLOBALS['phpgw']->crypto->init(array($this->key,$this->iv));
$GLOBALS['phpgw_info']['user'] = $this->user;
$GLOBALS['phpgw_info']['hooks'] = $this->hooks;
$GLOBALS['phpgw_info']['user']['session_ip'] = $GLOBALS['phpgw_session']['session_ip'];
$GLOBALS['phpgw_info']['user']['passwd'] = base64_decode($this->appsession('password','phpgwapi'));
if ($userid_array[1] != $GLOBALS['phpgw_info']['user']['domain'])
{
if(is_object($GLOBALS['phpgw']->log))
{
$GLOBALS['phpgw']->log->message(array(
'text' => 'W-VerifySession, the domains %1 and %2 don\t match',
'p1' => $userid_array[1],
'p2' => $GLOBALS['phpgw_info']['user']['domain'],
'line' => __LINE__,
'file' => __FILE__
));
$GLOBALS['phpgw']->log->commit();
}
if(is_object($GLOBALS['phpgw']->crypto))
{
$GLOBALS['phpgw']->crypto->cleanup();
unset($GLOBALS['phpgw']->crypto);
}
return False;
}
if (@$GLOBALS['phpgw_info']['server']['sessions_checkip'])
{
if (PHP_OS != 'Windows' && (! $GLOBALS['phpgw_info']['user']['session_ip'] || $GLOBALS['phpgw_info']['user']['session_ip'] != $this->getuser_ip()))
{
if(is_object($GLOBALS['phpgw']->log))
{
// This needs some better wording
$GLOBALS['phpgw']->log->message(array(
'text' => 'W-VerifySession, IP %1 doesn\'t match IP %2 in session table',
'p1' => $this->getuser_ip(),
'p2' => $GLOBALS['phpgw_info']['user']['session_ip'],
'line' => __LINE__,
'file' => __FILE__
));
$GLOBALS['phpgw']->log->commit();
}
if(is_object($GLOBALS['phpgw']->crypto))
{
$GLOBALS['phpgw']->crypto->cleanup();
unset($GLOBALS['phpgw']->crypto);
}
return False;
}
}
$GLOBALS['phpgw']->acl->acl($this->account_id);
$GLOBALS['phpgw']->accounts->accounts($this->account_id);
$GLOBALS['phpgw']->preferences->preferences($this->account_id);
$GLOBALS['phpgw']->applications->applications($this->account_id);
if (! $this->account_lid)
{
if(is_object($GLOBALS['phpgw']->log))
{
// This needs some better wording
$GLOBALS['phpgw']->log->message(array(
'text' => 'W-VerifySession, account_id is empty',
'line' => __LINE__,
'file' => __FILE__
));
$GLOBALS['phpgw']->log->commit();
}
if(is_object($GLOBALS['phpgw']->crypto))
{
$GLOBALS['phpgw']->crypto->cleanup();
unset($GLOBALS['phpgw']->crypto);
}
return False;
}
else
{
return True;
}
}
function create_server($login,$passwd)
{
$GLOBALS['phpgw']->interserver = CreateObject('phpgwapi.interserver');
$this->login = $login;
$this->passwd = $passwd;
$this->clean_sessions();
$login_array = explode('@', $login);
$this->account_lid = $login_array[0];
$now = time();
if ($login_array[1] != '')
{
$this->account_domain = $login_array[1];
}
else
{
$this->account_domain = $GLOBALS['phpgw_info']['server']['default_domain'];
}
$serverdata = array(
'server_name' => $this->account_domain,
'username' => $this->account_lid,
'password' => $passwd
);
if (!$GLOBALS['phpgw']->interserver->auth($serverdata))
{
return False;
exit;
}
if (!$GLOBALS['phpgw']->interserver->exists($this->account_lid))
{
$this->account_id = $GLOBALS['phpgw']->interserver->name2id($this->account_lid);
}
$GLOBALS['phpgw_info']['user']['account_id'] = $this->account_id;
$GLOBALS['phpgw']->interserver->serverid = $this->account_id;
$this->sessionid = md5($GLOBALS['phpgw']->common->randomstring(10));
$this->kp3 = md5($GLOBALS['phpgw']->common->randomstring(15));
/* re-init the crypto object */
$this->key = md5($this->kp3 . $this->sessionid . $GLOBALS['phpgw_info']['server']['encryptkey']);
$this->iv = $GLOBALS['phpgw_info']['server']['mcrypt_iv'];
$GLOBALS['phpgw']->crypto->init(array($this->key,$this->iv));
//$this->read_repositories(False);
$GLOBALS['phpgw_info']['user'] = $this->user;
$GLOBALS['phpgw_info']['hooks'] = $this->hooks;
$this->appsession('password','phpgwapi',base64_encode($this->passwd));
$session_flags = 'S';
$user_ip = $this->getuser_ip();
session_start();
$GLOBALS['phpgw_session']['session_id'] = $this->sessionid;
$GLOBALS['phpgw_session']['session_lid'] = $login;
$GLOBALS['phpgw_session']['session_ip'] = $user_ip;
$GLOBALS['phpgw_session']['session_logintime'] = $now;
$GLOBALS['phpgw_session']['session_dla'] = $now;
$GLOBALS['phpgw_session']['session_action'] = $GLOBALS['PHP_SELF'];
$GLOBALS['phpgw_session']['session_flags'] = $session_flags;
session_register('phpgw_session');
$GLOBALS['HTTP_SESSION_VARS']['phpgw_session'] = $GLOBALS['phpgw_session'];
//$GLOBALS['phpgw']->db->query("INSERT INTO phpgw_access_log VALUES ('" . $this->sessionid . "','"
// . "$login','" . $user_ip . "','$now','','" . $this->account_id . "')",__LINE__,__FILE__);
$this->appsession('account_previous_login','phpgwapi',$GLOBALS['phpgw']->auth->previous_login);
$GLOBALS['phpgw']->auth->update_lastlogin($this->account_id,$user_ip);
return array($this->sessionid,$this->kp3);
}
// This will update the DateLastActive column, so the login does not expire
function update_dla()
{
global $PHP_SELF;
if(MENUACTION)
{
$action = MENUACTION;
}
else
{
$action = $PHP_SELF;
}
$GLOBALS['phpgw_session']['session_dla'] = time();
$GLOBALS['phpgw_session']['session_action'] = $action;
session_register('phpgw_session');
$GLOBALS['HTTP_SESSION_VARS']['phpgw_session'] = $GLOBALS['phpgw_session'];
return True;
}
function destroy($sessionid, $kp3)
{
if (! $sessionid && $kp3)
{
return False;
}
session_unset();
session_destroy();
//$GLOBALS['phpgw']->db->query("UPDATE phpgw_access_log SET lo='" . time() . "' WHERE sessionid='"
// . $sessionid . "'",__LINE__,__FILE__);
// Only do the following, if where working with the current user
if ($sessionid == $GLOBALS['phpgw_info']['user']['sessionid'])
{
$this->clean_sessions();
}
$GLOBALS['phpgw']->db->transaction_commit();
return True;
}
/*************************************************************************\
* Functions for appsession data and session cache *
\*************************************************************************/
function read_repositories($cached='',$write_cache=True)
{
$GLOBALS['phpgw']->acl->acl($this->account_id);
$GLOBALS['phpgw']->accounts->accounts($this->account_id);
$GLOBALS['phpgw']->preferences->preferences($this->account_id);
$GLOBALS['phpgw']->applications->applications($this->account_id);
if(@$cached)
{
$this->user = $this->appsession('phpgw_info_cache','phpgwapi');
if(!empty($this->user))
{
$GLOBALS['phpgw']->preferences->data = $this->user['preferences'];
if (!isset($GLOBALS['phpgw_info']['apps']) || !is_array($GLOBALS['phpgw_info']['apps']))
{
$GLOBALS['phpgw']->applications->read_installed_apps();
}
}
else
{
$this->setup_cache();
}
}
else
{
$this->setup_cache();
}
$this->hooks = $GLOBALS['phpgw']->hooks->read();
}
function setup_cache($write_cache=True)
{
$this->user = $GLOBALS['phpgw']->accounts->read_repository();
$this->user['acl'] = $GLOBALS['phpgw']->acl->read_repository();
$this->user['preferences'] = $GLOBALS['phpgw']->preferences->read_repository();
$this->user['apps'] = $GLOBALS['phpgw']->applications->read_repository();
//@reset($this->data['user']['apps']);
$this->user['domain'] = $this->account_domain;
$this->user['sessionid'] = $this->sessionid;
$this->user['kp3'] = $this->kp3;
$this->user['session_ip'] = $this->getuser_ip();
$this->user['session_lid'] = $this->account_lid.'@'.$this->account_domain;
$this->user['account_id'] = $this->account_id;
$this->user['account_lid'] = $this->account_lid;
$this->user['userid'] = $this->account_lid;
$this->user['passwd'] = @$this->passwd;
if(@$GLOBALS['phpgw_info']['server']['cache_phpgw_info'] && $write_cache)
{
$this->delete_cache();
$this->appsession('phpgw_info_cache','phpgwapi',$this->user);
}
}
function delete_cache($accountid='')
{
$account_id = get_account_id($accountid,$this->account_id);
$GLOBALS['phpgw_session']['phpgw_app_sessions']['phpgwapi']['phpgw_info_cache'] = '';
session_register('phpgw_session');
$GLOBALS['HTTP_SESSION_VARS']['phpgw_session'] = $GLOBALS['phpgw_session'];
}
// This looks to be useless
// This will capture everything in the $GLOBALS['phpgw_info'] including server info,
// and store it in appsessions. This is really incompatible with any type of restoring
// from appsession as the saved user info is really in ['user'] rather than the root of
// the structure, which is what this class likes.
function save_repositories()
{
$phpgw_info_temp = $GLOBALS['phpgw_info'];
$phpgw_info_temp['user']['kp3'] = '';
$phpgw_info_temp['flags'] = array();
if ($GLOBALS['phpgw_info']['server']['cache_phpgw_info'])
{
$this->appsession('phpgw_info_cache','phpgwapi',$phpgw_info_temp);
}
}
function appsession($location = 'default', $appname = '', $data = '##NOTHING##')
{
if (! $appname)
{
$appname = $GLOBALS['phpgw_info']['flags']['currentapp'];
}
/* This allows the user to put '' as the value. */
if ($data == '##NOTHING##')
{
// I added these into seperate steps for easier debugging
$data = $GLOBALS['phpgw_session']['phpgw_app_sessions'][$appname][$location]['content'];
/* do not decrypt and return if no data (decrypt returning garbage) */
if($data)
{
$data = $GLOBALS['phpgw']->crypto->decrypt($data);
//echo 'appsession returning: '; _debug_array($data);
return $data;
}
}
else
{
$encrypteddata = $GLOBALS['phpgw']->crypto->encrypt($data);
$GLOBALS['phpgw_session']['phpgw_app_sessions'][$appname][$location]['content'] = $encrypteddata;
session_register('phpgw_session');
$GLOBALS['HTTP_SESSION_VARS']['phpgw_session'] = $GLOBALS['phpgw_session'];
return $data;
}
}
function restore()
{
$sessionData = $this->appsession('sessiondata');
if (is_array($sessionData))
{
reset($sessionData);
while(list($key,$value) = each($sessionData))
{
global $$key;
$$key = $value;
$this->variableNames[$key] = 'registered';
// echo 'restored: '.$key.', ' . $value . '<br>';
}
}
}
// save the current values of the variables
function save()
{
if (is_array($this->variableNames))
{
reset($this->variableNames);
while(list($key, $value) = each($this->variableNames))
{
if ($value == 'registered')
{
global $$key;
$sessionData[$key] = $$key;
}
}
$this->appsession('sessiondata','',$sessionData);
}
}
// create a list a variable names, wich data need's to be restored
function register($_variableName)
{
$this->variableNames[$_variableName]='registered';
#print 'registered '.$_variableName.'<br>';
}
// mark variable as unregistered
function unregister($_variableName)
{
$this->variableNames[$_variableName]='unregistered';
#print 'unregistered '.$_variableName.'<br>';
}
// check if we have a variable registred already
function is_registered($_variableName)
{
if ($this->variableNames[$_variableName] == 'registered')
{
return True;
}
else
{
return False;
}
}
/*************************************************************************\
* Function to handle session support via url or cookies *
\*************************************************************************/
function link($url, $extravars = '')
{
/* first we process the $url to build the full scriptname */
$full_scriptname = True;
$url_firstchar = substr($url ,0,1);
if ($url_firstchar == '/' && $GLOBALS['phpgw_info']['server']['webserver_url'] == '/')
{
$full_scriptname = False;
}
if ($url_firstchar != '/')
{
$app = $GLOBALS['phpgw_info']['flags']['currentapp'];
if ($app != 'home' && $app != 'login' && $app != 'logout')
{
$url = $app.'/'.$url;
}
}
if($full_scriptname)
{
$webserver_url_count = strlen($GLOBALS['phpgw_info']['server']['webserver_url'])-1;
if(substr($GLOBALS['phpgw_info']['server']['webserver_url'] ,$webserver_url_count,1) != '/' && $url_firstchar != '/')
{
$url = $GLOBALS['phpgw_info']['server']['webserver_url'] .'/'. $url;
}
else
{
$url = $GLOBALS['phpgw_info']['server']['webserver_url'] . $url;
}
}
if(@isset($GLOBALS['phpgw_info']['server']['enforce_ssl']) && $GLOBALS['phpgw_info']['server']['enforce_ssl'] && !$GLOBALS['HTTP_SERVER_VARS']['HTTPS'])
{
if(substr($url ,0,4) != 'http')
{
$url = 'https://'.$GLOBALS['phpgw_info']['server']['hostname'].$url;
}
else
{
$url = str_replace ( 'http:', 'https:', $url);
}
}
/* Now we process the extravars into a proper url format */
/* if its not an array, then we turn it into one */
/* We do this to help prevent any duplicates from being sent. */
if (!is_array($extravars) && $extravars != '')
{
$a = explode('&', $extravars);
$i = 0;
while ($i < count($a))
{
$b = split('=', $a[$i]);
$new_extravars[$b[0]] = $b[1];
$i++;
}
$extravars = $new_extravars;
unset($new_extravars);
}
/* if using frames we make sure there is a framepart */
if(@defined('PHPGW_USE_FRAMES') && PHPGW_USE_FRAMES)
{
if (!isset($extravars['framepart']))
{
$extravars['framepart']='body';
}
}
/* add session params if not using cookies */
if (@!$GLOBALS['phpgw_info']['server']['usecookies'])
{
$kp3 = get_var('kp3',Array('COOKIE','GET'));
if (!$kp3)
{
$kp3 = $GLOBALS['phpgw_info']['user']['kp3'];
}
$extravars['sessionid'] = @$GLOBALS['phpgw_info']['user']['sessionid'];
$extravars['kp3'] = $kp3;
$extravars['domain'] = @$GLOBALS['phpgw_info']['user']['domain'];
}
/* if we end up with any extravars then we generate the url friendly string */
/* and return the result */
if (is_array($extravars))
{
reset($extravars);
while(list($key,$value) = each($extravars))
{
if (!empty($new_extravars))
{
$new_extravars .= '&';
}
$new_extravars .= $key.'='.htmlentities(urlencode($value));
}
/* This needs to be explictly reset to a string variable type for PHP3 */
settype($extravars,'string');
$extravars = $new_extravars;
unset($new_extravars);
return $url .= '?' . $extravars;
}
/* if no extravars then we return the cleaned up url/scriptname */
return $url;
}
}
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