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[Phpgroupware-cvs] phpgwapi/inc/class.sessions.inc.php, 1.109
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From: |
nomail |
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Subject: |
[Phpgroupware-cvs] phpgwapi/inc/class.sessions.inc.php, 1.109 |
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Date: |
Thu, 30 Dec 2004 07:47:31 +0100 |
Update of /phpgwapi/inc
Added Files:
Branch:
class.sessions.inc.php
date: 2004/12/30 06:47:31; author: skwashd; state: Exp; lines: +407 -101
Log Message:
new HEAD
=====================================================================
<?php
/**
* Session management
* @author NetUSE AG Boris Erdmann, Kristian Koehntopp
* @author Dan Kuykendall <address@hidden>
* @author Joseph Engo <address@hidden>
* @author Ralf Becker <address@hidden>
* @copyright Copyright (C) 1998-2000 NetUSE AG Boris Erdmann, Kristian
Koehntopp
* @copyright Portions Copyright (C) 2000-2004 Free Software Foundation,
Inc. http://www.fsf.org/
* @license http://www.fsf.org/licenses/lgpl.html GNU Lesser General
Public License
* @package phpgwapi
* @subpackage accounts
* @version $Id: class.sessions.inc.php,v 1.109 2004/12/30 06:47:31
skwashd Exp $
* @link http://www.sanisoft.com/phplib/manual/DB_sql.php
*/
if (empty($GLOBALS['phpgw_info']['server']['sessions_type']))
{
$GLOBALS['phpgw_info']['server']['sessions_type'] = 'db';
}
/**
* Include concrete subclass
*/
include_once(PHPGW_API_INC.'/class.sessions_'.$GLOBALS['phpgw_info']['server']['sessions_type'].'.inc.php');
/**
* Session Management
*
* This allows phpGroupWare to use php4 or database sessions
*
* @package phpgwapi
* @subpackage accounts
* @abstract
*/
class sessions_
{
/**
* @var string current user login
*/
var $login;
/**
* @var sting current user password
*/
var $passwd;
/**
* @var int current user db/ldap account id
*/
var $account_id;
/**
* @var string current user account login id - ie address@hidden
*/
var $account_lid;
/**
* @var string previous page call id - repost prevention
*/
var $history_id;
/**
* @var string domain for current user
*/
var $account_domain;
/**
* @var session type flag, A - anonymous session, N - None,
normal session
*/
var $session_flags;
/**
* @var string current user session id
*/
var $sessionid;
/**
* @var string not sure what this does, but it is important :)
*/
var $kp3;
/**
* @var string encryption key?
*/
var $key;
/**
* @var string iv == ivegotnoidea ;) (skwashd)
*/
var $iv;
/**
* @var session data
*/
var $data;
/**
* @var object holder for the database object
*/
var $db;
/**
* @var array publicly available methods
*/
var $public_functions = array(
'list_methods' => True,
'update_dla' => True,
'list' => True,
'total' => True
);
/**
* @var string domain for cookies
*/
var $cookie_domain;
/**
* @var name of XML-RPC/SOAP method called
*/
var $xmlrpc_method_called;
/**
* Constructor just loads up some defaults from cookies
*/
function sessions_()
{
$this->db = $GLOBALS['phpgw']->db;
$this->sessionid =
get_var('sessionid',array('GET','COOKIE'));
$this->kp3 = get_var('kp3',array('GET','COOKIE'));
/* Create the crypto object */
$GLOBALS['phpgw']->crypto =
CreateObject('phpgwapi.crypto');
$this->phpgw_set_cookiedomain();
// verfiy and if necessary create and save our config
settings
//
$save_rep = False;
if
(!isset($GLOBALS['phpgw_info']['server']['max_access_log_age']))
{
$GLOBALS['phpgw_info']['server']['max_access_log_age'] = 90;// default 90 days
$save_rep = True;
}
if
(!isset($GLOBALS['phpgw_info']['server']['block_time']))
{
$GLOBALS['phpgw_info']['server']['block_time']
= 30;// default 30min
$save_rep = True;
}
if
(!isset($GLOBALS['phpgw_info']['server']['num_unsuccessful_id']))
{
$GLOBALS['phpgw_info']['server']['num_unsuccessful_id'] = 3;// default 3 trys
per id
$save_rep = True;
}
if
(!isset($GLOBALS['phpgw_info']['server']['num_unsuccessful_ip']))
{
// default same as for id
$GLOBALS['phpgw_info']['server']['num_unsuccessful_ip']
=
$GLOBALS['phpgw_info']['server']['num_unsuccessful_id'];
$save_rep = True;
}
if
(!isset($GLOBALS['phpgw_info']['server']['install_id']))
{
$GLOBALS['phpgw_info']['server']['install_id']
=
md5($GLOBALS['phpgw']->common->randomstring(15));
$save_rep = True;
}
if
(!isset($GLOBALS['phpgw_info']['server']['sessions_timeout']))
{
$GLOBALS['phpgw_info']['server']['sessions_timeout'] = 14400;
$save_rep = True;
}
if
(!isset($GLOBALS['phpgw_info']['server']['sessions_app_timeout']))
{
$GLOBALS['phpgw_info']['server']['sessions_app_timeout'] = 86400;
$save_rep = True;
}
if
(!isset($GLOBALS['phpgw_info']['server']['max_history']))
{
$GLOBALS['phpgw_info']['server']['max_history']
= 20;
$save_rep = True;
}
if ($save_rep)
{
$config =
CreateObject('phpgwapi.config','phpgwapi');
$config->read_repository();
$config->value('max_access_log_age',$GLOBALS['phpgw_info']['server']['max_access_log_age']);
$config->value('block_time',$GLOBALS['phpgw_info']['server']['block_time']);
$config->value('num_unsuccessful_id',$GLOBALS['phpgw_info']['server']['num_unsuccessful_id']);
$config->value('num_unsuccessful_ip',$GLOBALS['phpgw_info']['server']['num_unsuccessful_ip']);
$config->value('install_id',$GLOBALS['phpgw_info']['server']['install_id']);
$config->value('sessions_timeout',$GLOBALS['phpgw_info']['server']['sessions_timeout']);
$config->value('sessions_app_timeout',$GLOBALS['phpgw_info']['server']['sessions_app_timeout']);
$config->value('max_history',
$GLOBALS['phpgw_info']['server']['max_history'] );
$config->save_repository();
unset($config);
}
}
/**
* Introspection for XML-RPC/SOAP
* Diabled - why??
*
* @param string $_type tpye of introspection being sought
* @return array available methods and args
*/
function DONTlist_methods($_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;
}
}
/**
* Check to see if a session is still current and valid
*
* @param string $sessionid session id to be verfied
* @param string $kp3 ?? to be verified
* @return bool is the session valid?
*/
function verify($sessionid='',$kp3='')
{
if(empty($sessionid) || !$sessionid)
{
$sessionid =
get_var('sessionid',array('GET','COOKIE'));
$kp3 =
get_var('kp3',array('GET','COOKIE'));
}
$this->sessionid = $sessionid;
$this->kp3 = $kp3;
$session = $this->read_session($sessionid);
//echo "<p>session::verify(id='$sessionid'): \n";
print_r($session); echo "</p>\n";
if ($session['session_dla'] <= (time() -
$GLOBALS['phpgw_info']['server']['sessions_timeout']))
{
$this->clean_sessions();
return False;
}
$this->session_flags = $session['session_flags'];
list($this->account_lid,$this->account_domain) =
explode('@', $session['session_lid']);
if ($this->account_domain == '')
{
$this->account_domain =
$GLOBALS['phpgw_info']['server']['default_domain'];
}
$GLOBALS['phpgw_info']['user']['kp3'] = $this->kp3;
$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'] =
$session['session_ip'];
$GLOBALS['phpgw_info']['user']['passwd'] =
base64_decode($this->appsession('password','phpgwapi'));
if ($this->account_domain !=
$GLOBALS['phpgw_info']['user']['domain'])
{
if(is_object($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);
}
//echo 'DEBUG: Sessions: account_id is
empty!<br>'."\n";
return False;
}
else
{
return True;
}
}
/**
* Functions for creating and verifying the session
*/
/**
* Get the ip address of current users
*
* @return string ip address
*/
function getuser_ip()
{
return (isset($_SERVER['HTTP_X_FORWARDED_FOR']) ?
$_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR']);
}
/**
* Set the domain used for cookies
*
* @return string domain
*/
function phpgw_set_cookiedomain()
{
$dom = $_SERVER['HTTP_HOST'];
if (preg_match("/^(.*):(.*)$/",$dom,$arr))
{
$dom = $arr[1];
}
$parts = explode('.',$dom);
if (count($parts) > 2)
{
if (!ereg('[0-9]+',$parts[1]))
{
for($i=1;$i<count($parts);$i++)
{
$this->cookie_domain .=
'.'.$parts[$i];
}
}
else
{
$this->cookie_domain = '';
}
}
else
{
$this->cookie_domain = '';
}
print_debug('COOKIE_DOMAIN',$this->cookie_domain,'api');
$this->set_cookie_params($this->cookie_domain); // for
php4 sessions necessary
}
/**
* Set a cookie
*
* @param string $cookiename name of cookie to be set
* @param string $cookievalue value to be used, if unset cookie
is cleared (optional)
* @param int $cookietime when cookie should expire, 0 for
session only (optional)
*/
function
phpgw_setcookie($cookiename,$cookievalue='',$cookietime=0)
{
if (!$this->cookie_domain)
{
$this->phpgw_set_cookiedomain();
}
setcookie($cookiename,$cookievalue,$cookietime,'/',$this->cookie_domain);
}
/**
* Create a new session
*
* @param string $login user login
* @param string $passwd user password
* @param string $passwd_type type of password being used, ie
plaintext, md5, sha1
* @return string session id
*/
function create($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;
}
$this->clean_sessions();
list($this->account_lid,$this->account_domain) =
explode('@', $login);
$now = time();
if (strstr($login,'@') === False)
{
$this->account_domain =
$GLOBALS['phpgw_info']['server']['default_domain'];
}
//echo "<p>session::create(login='$login'):
lid='$this->account_lid', domain='$this->account_domain'</p>\n";
$user_ip = $this->getuser_ip();
if (($blocked = $this->login_blocked($login,
@$_SERVER['REMOTE_ADDR'], @$_SERVER['HTTP_X_FORWARDED_FOR'])) || // too many
unsuccessful attempts
$GLOBALS['phpgw_info']['server']['global_denied_users'][$this->account_lid] ||
!$GLOBALS['phpgw']->auth->authenticate($this->account_lid, $this->passwd,
$this->passwd_type) ||
$GLOBALS['phpgw']->accounts->get_type($this->account_lid) == 'g')
{
$this->reason = $blocked ? 'blocked, too many
attempts' : 'bad login or password';
$this->cd_reason = $blocked ? 99 : 5;
$this->log_access($this->reason,$login,$user_ip,0); // log unsuccessfull
login
return False;
}
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(15));
$this->kp3 =
md5($GLOBALS['phpgw']->common->randomstring(15));
if ($GLOBALS['phpgw_info']['server']['usecookies'])
{
$this->phpgw_setcookie('sessionid',$this->sessionid);
$this->phpgw_setcookie('kp3',$this->kp3);
$this->phpgw_setcookie('domain',$this->account_domain);
}
if ($GLOBALS['phpgw_info']['server']['usecookies'] ||
isset($_COOKIE['last_loginid']))
{
$this->phpgw_setcookie('last_loginid',
$this->account_lid ,$now+1209600); /* For 2 weeks */
$this->phpgw_setcookie('last_domain',$this->account_domain,$now+1209600);
}
unset($GLOBALS['phpgw_info']['server']['default_domain']); /* we kill this for
security reasons */
/* 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));
$this->read_repositories(False);
if ($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;
}
$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';
}
$GLOBALS['phpgw']->db->transaction_begin();
$this->register_session($login,$user_ip,$now,$session_flags);
$this->log_access($this->sessionid,$login,$user_ip,$this->account_id);
$this->appsession('account_previous_login','phpgwapi',$GLOBALS['phpgw']->auth->previous_login);
$GLOBALS['phpgw']->auth->update_lastlogin($this->account_id,$user_ip);
$GLOBALS['phpgw']->db->transaction_commit();
//if (!$this->sessionid) echo
"<p>session::create(login='$login') = '$this->sessionid':
lid='$this->account_lid', domain='$this->account_domain'</p>\n";
return $this->sessionid;
}
/**
* Write or update (for logout) the access_log
*
* @param string $sessionid id of session or 0 for unsuccessful
logins
* @param string $login account_lid (evtl. with domain) or ''
for settion the logout-time
* @param string $user_ip ip to log
* @param int $account_id numerical account_id
*/
function
log_access($sessionid,$login='',$user_ip='',$account_id='')
{
$now = time();
if ($login != '')
{
$GLOBALS['phpgw']->db->query('INSERT INTO
phpgw_access_log(sessionid,loginid,ip,li,lo,account_id)'.
" VALUES ('" . $sessionid . "','" .
$this->db->db_addslashes($login). "','" .
$this->db->db_addslashes($user_ip) .
"',$now,0,".intval($account_id).")",__LINE__,__FILE__);
}
else
{
$GLOBALS['phpgw']->db->query("UPDATE
phpgw_access_log SET lo=" . $now . " WHERE sessionid='" .
$sessionid . "'",__LINE__,__FILE__);
}
if
($GLOBALS['phpgw_info']['server']['max_access_log_age'])
{
$max_age = $now -
$GLOBALS['phpgw_info']['server']['max_access_log_age'] * 24 * 60 * 60;
$GLOBALS['phpgw']->db->query("DELETE FROM
phpgw_access_log WHERE li < $max_age");
}
}
/**
* Protect against brute force attacks, block login if too many
unsuccessful login attmepts
*
* @param string $login account_lid (evtl. with domain)
* @param string $nat_ip the ip that made the request
* @param string $real_ip the "real" ip for the request
* @returns bool login blocked?
*/
function login_blocked($login, $nat_ip, $real_ip)
{
$ip = ($real_ip ? $real_ip : $nat_ip);
$blocked = False;
$block_time = time() -
$GLOBALS['phpgw_info']['server']['block_time'] * 60;
$ip = $this->db->db_addslashes($ip);
$this->db->query("SELECT count(*) FROM phpgw_access_log
WHERE account_id=0 AND ip='$ip' AND li > $block_time",__LINE__,__FILE__);
$this->db->next_record();
if (($false_ip = $this->db->f(0)) >
$GLOBALS['phpgw_info']['server']['num_unsuccessful_ip'])
{
//echo "<p>login_blocked: ip='$ip'
".$this->db->f(0)." tries
(".$GLOBALS['phpgw_info']['server']['num_unsuccessful_ip']." max.) since
".date('Y/m/d H:i',$block_time)."</p>\n";
$blocked = True;
}
$login = $this->db->db_addslashes($login);
$this->db->query("SELECT count(*) FROM phpgw_access_log
WHERE account_id=0 AND (loginid='$login' OR loginid LIKE 'address@hidden') AND
li > $block_time",__LINE__,__FILE__);
$this->db->next_record();
if (($false_id = $this->db->f(0)) >
$GLOBALS['phpgw_info']['server']['num_unsuccessful_id'])
{
//echo "<p>login_blocked: login='$login'
".$this->db->f(0)." tries
(".$GLOBALS['phpgw_info']['server']['num_unsuccessful_id']." max.) since
".date('Y/m/d H:i',$block_time)."</p>\n";
$blocked = True;
}
if ($blocked &&
$GLOBALS['phpgw_info']['server']['admin_mails'] &&
// max. one mail each 5mins
$GLOBALS['phpgw_info']['server']['login_blocked_mail_time'] < time()-5*60)
{
// notify admin(s) via email
$from =
'phpGroupWare@'.$GLOBALS['phpgw_info']['server']['mail_suffix'];
$subject = lang("phpGroupWare: login blocked
for user '%1', IP %2",$login,$ip);
$body = lang("Too many unsuccessful attempts
to login: %1 for the user '%2', %3 for the IP
%4",$false_id,$login,$false_ip,($real_ip ? $real_ip . ' (' . $nat_ip . ')' :
$nat_ip));
if(!is_object($GLOBALS['phpgw']->send))
{
$GLOBALS['phpgw']->send =
CreateObject('phpgwapi.send');
}
$subject =
$GLOBALS['phpgw']->send->encode_subject($subject);
$admin_mails =
explode(',',$GLOBALS['phpgw_info']['server']['admin_mails']);
foreach($admin_mails as $to)
{
$GLOBALS['phpgw']->send->msg('email',$to,$subject,$body,'','','',$from,$from);
}
// save time of mail, to not send to many mails
$config =
CreateObject('phpgwapi.config','phpgwapi');
$config->read_repository();
$config->value('login_blocked_mail_time',time());
$config->save_repository();
}
return $blocked;
}
/**
* Verfy a peer server access request
*
* @param string $sessionid session id to verfiy
* @param string $kp3 ??
* @return bool verfied?
*/
function verify_server($sessionid, $kp3)
{
$GLOBALS['phpgw']->interserver =
CreateObject('phpgwapi.interserver');
$this->sessionid = $sessionid;
$this->kp3 = $kp3;
$session = $this->read_session($this->sessionid);
$this->session_flags = $session['session_flags'];
list($this->account_lid,$this->account_domain) =
explode('@', $session['session_lid']);
if ($this->account_domain == '')
{
$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;
$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'] =
$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;
}
}
/**
* Validate a peer server login request
*
* @param string $login login name
* @param string $password password
* @return bool login ok?
*/
function create_server($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();
$GLOBALS['phpgw']->db->transaction_begin();
$this->register_session($login,$user_ip,$now,$session_flags);
$this->log_access($this->sessionid,$login,$user_ip,$this->account_id);
$this->appsession('account_previous_login','phpgwapi',$GLOBALS['phpgw']->auth->previous_login);
$GLOBALS['phpgw']->auth->update_lastlogin($this->account_id,$user_ip);
$GLOBALS['phpgw']->db->transaction_commit();
return array($this->sessionid,$this->kp3);
}
/**
* Functions for appsession data and session cache
*/
/**
* Is this also useless?? (skwashd)
*/
function read_repositories($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
{
$this->setup_cache($write_cache);
}
}
else
{
$this->setup_cache($write_cache);
}
$this->hooks = $GLOBALS['phpgw']->hooks->read();
}
/**
* Is this also useless?? (skwashd)
*/
function setup_cache($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);
}
}
/**
* 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 restore()
{
$sessionData = $this->appsession('sessiondata');
if (!empty($sessionData) && is_array($sessionData))
{
foreach($sessionData as $key => $value)
{
global $$key;
$$key = $value;
$this->variableNames[$key] =
'registered';
// echo 'restored: '.$key.', ' . $value
. '<br>';
}
}
}
/**
* Save the current values of all registered variables
*/
function save()
{
if (is_array($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, which data needs to be
restored
*
* @param string $_variableName name of variable to be registered
*/
function register($_variableName)
{
$this->variableNames[$_variableName]='registered';
#print 'registered '.$_variableName.'<br>';
}
/**
* Mark variable as unregistered
*
* @param string $_variableName name of variable to deregister
*/
function unregister($_variableName)
{
$this->variableNames[$_variableName]='unregistered';
#print 'unregistered '.$_variableName.'<br>';
}
/**
* Check if we have a variable registred already
*
* @param string $_variableName name of variable to check
* @return bool was the variable found?
*/
function is_registered($_variableName)
{
if ($this->variableNames[$_variableName] ==
'registered')
{
return True;
}
else
{
return False;
}
}
/**
* Additional tracking of user actions - prevents reposts/use of
back button
*
* @author skwashd
* @return string current history id
*/
function generate_click_history()
{
if(!isset($this->history_id))
{
$this->history_id = md5($this->login . time());
$history = $this->appsession('history',
'phpgwapi');
if(count($history) >=
$GLOBALS['phpgw_info']['server']['max_history'])
{
array_shift($history);
$this->appsession('history',
'phpgwapi', $history);
}
}
return $this->history_id;
}
/**
* Detects if the page has already been called before - good for
forms
*
* @author skwashd
* @param bool $diplay_error when implemented will use the
generic error handling code
* @return True if called previously, else False - call ok
*/
function is_repost($display_error = False)
{
$history = $this->appsession($location = 'history',
$appname = 'phpgwapi');
if(isset($history[$_GET['click_history']]))
{
if($display_error)
{
$GLOBALS['phpgw']->redirect_link('/error.php', 'type=repost');//more on this
later :)
}
else
{
return True; //handled by the app
}
}
else
{
$history[$_GET['click_history']] = True;
$this->appsession($location = 'history',
$appname = 'phpgwapi', $history);
return False;
}
}
/**
* Generate a url which supports url or cookies based sessions
*
* @param string $url a url relative to the phpgroupware install
root
* @param array $extravars query string arguements
* @return string generated url
*/
function link($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']) &&
$GLOBALS['phpgw_info']['server']['enforce_ssl']) // && !$_SERVER['HTTPS']) imho
https should always be a full path - skwashd
{
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'])
{
$extravars['sessionid'] = $this->sessionid;
$extravars['kp3'] = $this->kp3;
$extravars['domain'] = $this->account_domain;
$extravars[PHPGW_PHPSESSID] = @session_id();
}
//used for repost prevention
$extravars['click_history'] =
$this->generate_click_history();
/* if we end up with any extravars then we generate the
url friendly string */
/* and return the result */
if (is_array($extravars))
{
$new_extravars = '';
reset($extravars);
while(list($key,$value) = each($extravars))
{
if (!empty($new_extravars))
{
$new_extravars .= '&';
}
$new_extravars .=
$key.'='.urlencode($value);
}
return $url .= '?' . $new_extravars;
}
/* if no extravars then we return the cleaned up
url/scriptname */
return $url;
}
/**
* The remaining methods are abstract - as they are unique for
each session handler
*/
/**
* Load user's session information
*
* @param string $sessionid user's session id string
* @return mixed the session data
*/
function read_session($sessionid)
{}
/**
* Remove stale sessions out of the database
*/
function clean_sessions()
{}
/**
* Set paramaters for cookies - only implemented in PHP4 sessions
*
* @param string $domain domain name to use in cookie
*/
function set_cookie_params($domain)
{}
/**
* Create a new session
*
* @param string $login user login
* @param string $user_ip users ip address
* @param int $now time now as a unix timestamp
* @param string $session_flags A = Anonymous, N = Normal
*/
function register_session($login,$user_ip,$now,$session_flags)
{}
/**
* Update the date last active info for the session, so the
login does not expire
*
* @return bool did it suceed?
*/
function update_dla()
{}
/**
* Terminate a session
*
* @param string $sessionid the id of the session to be
terminated
* @param string $kp3 - NOT SURE
* @return bool did it suceed?
*/
function destroy($sessionid, $kp3)
{}
/**
* Functions for appsession data and session cache
*/
/**
* Delete all data from the session cache for a user
*
* @param int $accountid user account id, defaults to current
user (optional)
*/
function delete_cache($accountid='')
{}
/**
* Stores or retrieves information from the sessions cache
*
* @param string $location identifier for data
* @param string $appname name of app which is responsbile for
the data
* @param mixed $data data to be stored, if left blank data is
retreived (optional)
* @return mixed data from cache, only returned if $data arg is
not used
*/
function appsession($location = 'default', $appname = '', $data
= '##NOTHING##')
{}
/**
* Get list of normal / non-anonymous sessions
* Note: The data from the session-files get cached in the
* app_session phpgwapi/php4_session_cache
*
* @author ralfbecker
* @param int $start session to start at
* @param string $order field to sort on
* @param string $sort sort order
* @param bool $all_no_sort list all with out sorting (optional)
default False
* @return array info for all current sessions
*/
function list_sessions($start,$order,$sort,$all_no_sort = False)
{}
/**
* Get the number of normal / non-anonymous sessions
*
* @author ralfbecker
* @return int number of sessions
*/
function total()
{}
}
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