egroupware_official/emailadmin/inc/class.defaultimap.inc.php
2008-11-24 09:40:41 +00:00

509 lines
11 KiB
PHP

<?php
/***************************************************************************\
* EGroupWare - EMailAdmin *
* http://www.egroupware.org *
* Written by : Lars Kneschke [lkneschke@linux-at-work.de] *
* ------------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
\***************************************************************************/
/* $Id$ */
require_once 'Net/IMAP.php';
define('IMAP_NAMESPACE_PERSONAL', 'personal');
define('IMAP_NAMESPACE_OTHERS' , 'others');
define('IMAP_NAMESPACE_SHARED' , 'shared');
define('IMAP_NAMESPACE_ALL' , 'all');
/**
* This class holds all information about the imap connection.
* This is the base class for all other imap classes.
*
*/
class defaultimap extends Net_IMAP
{
/**
* the password to be used for admin connections
*
* @var string
*/
var $adminPassword;
/**
* the username to be used for admin connections
*
* @var string
*/
var $adminUsername;
/**
* enable encryption
*
* @var bool
*/
var $encryption;
/**
* the hostname/ip address of the imap server
*
* @var string
*/
var $host;
/**
* the password for the user
*
* @var string
*/
var $password;
/**
* the port of the imap server
*
* @var integer
*/
var $port = 143;
/**
* the username
*
* @var string
*/
var $username;
/**
* the domainname to be used for vmailmgr logins
*
* @var string
*/
var $domainname = false;
/**
* validate ssl certificate
*
* @var bool
*/
var $validatecert;
/**
* the mailbox delimiter
*
* @var string
*/
var $mailboxDelimiter = '/';
/**
* the mailbox prefix. maybe used by uw-imap only?
*
* @var string
*/
var $mailboxPrefix = '~/mail';
/**
* is the mbstring extension available
*
* @var unknown_type
*/
var $mbAvailable;
/**
* Mailboxes which get automatic created for new accounts (INBOX == '')
*
* @var array
*/
var $imapLoginType;
var $defaultDomain;
/**
* disable internal conversion from/to ut7
* get's used by Net_IMAP
*
* @var array
*/
var $_useUTF_7 = false;
/**
* a debug switch
*/
var $debug = false;
/**
* the construtor
*
* @return void
*/
function defaultimap()
{
if (function_exists('mb_convert_encoding')) {
$this->mbAvailable = TRUE;
}
$this->restoreSessionData();
// construtor for Net_IMAP stuff
$this->Net_IMAPProtocol();
}
/**
* adds a account on the imap server
*
* @param array $_hookValues
* @return bool true on success, false on failure
*/
function addAccount($_hookValues)
{
return true;
}
/**
* updates a account on the imap server
*
* @param array $_hookValues
* @return bool true on success, false on failure
*/
function updateAccount($_hookValues)
{
return true;
}
/**
* deletes a account on the imap server
*
* @param array $_hookValues
* @return bool true on success, false on failure
*/
function deleteAccount($_hookValues)
{
return true;
}
function disconnect()
{
parent::disconnect();
$this->_isConnected = false;
}
/**
* converts a foldername from current system charset to UTF7
*
* @param string $_folderName
* @return string the encoded foldername
*/
function encodeFolderName($_folderName)
{
if($this->mbAvailable) {
return mb_convert_encoding($_folderName, "UTF7-IMAP", $GLOBALS['egw']->translation->charset());
}
// if not
// we can encode only from ISO 8859-1
return imap_utf7_encode($_folderName);
}
/**
* returns the supported capabilities of the imap server
* return false if the imap server does not support capabilities
*
* @return array the supported capabilites
*/
function getCapabilities()
{
if(!is_array($this->sessionData['capabilities'][$this->host])) {
return false;
}
return $this->sessionData['capabilities'][$this->host];
}
/**
* return the delimiter used by the current imap server
*
* @return string the delimimiter
*/
function getDelimiter()
{
return isset($this->sessionData['delimiter'][$this->host]) ? $this->sessionData['delimiter'][$this->host] : $this->mailboxDelimiter;
}
/**
* Create transport string
*
* @return string the transportstring
*/
function _getTransportString()
{
if($this->encryption == 2) {
$connectionString = "tls://". $this->host;
} elseif($this->encryption == 3) {
$connectionString = "ssl://". $this->host;
} else {
// no tls
$connectionString = $this->host;
}
return $connectionString;
}
/**
* Create the options array for SSL/TLS connections
*
* @return string the transportstring
*/
function _getTransportOptions()
{
if($this->validatecert === false) {
if($this->encryption == 2) {
return array(
'tls' => array(
'verify_peer' => false,
'allow_self_signed' => true,
)
);
} elseif($this->encryption == 3) {
return array(
'ssl' => array(
'verify_peer' => false,
'allow_self_signed' => true,
)
);
}
} else {
if($this->encryption == 2) {
return array(
'tls' => array(
'verify_peer' => true,
'allow_self_signed' => false,
)
);
} elseif($this->encryption == 3) {
return array(
'ssl' => array(
'verify_peer' => true,
'allow_self_signed' => false,
)
);
}
}
return null;
}
/**
* Create mailbox string from given mailbox-name and user-name
*
* @param string $_folderName=''
* @return string utf-7 encoded (done in getMailboxName)
*/
function getUserMailboxString($_username, $_folderName='')
{
$nameSpaces = $this->getNameSpaces();
if(!isset($nameSpaces['others'])) {
return false;
}
$username = $_username;
if($this->loginType == 'vmailmgr') {
$username .= '@'. $this->domainName;
}
$mailboxString = $nameSpaces['others'][0]['name'] . $username . (!empty($_folderName) ? $nameSpaces['others'][0]['delimiter'] . $_folderName : '');
return $mailboxString;
}
/**
* get list of namespaces
*
* @return array array containing information about namespace
*/
function getNameSpaces()
{
if(!$this->_connected) {
return false;
}
$retrieveDefault = false;
if($this->hasCapability('NAMESPACE')) {
$nameSpace = $this->getNamespace();
if( PEAR::isError($nameSpace)) {
if ($this->debug) error_log("emailadmin::defaultimap->getNameSpaces:".print_r($nameSpace,true));
$retrieveDefault = true;
} else {
$result = array();
$result['personal'] = $nameSpace['personal'];
if(is_array($nameSpace['others'])) {
$result['others'] = $nameSpace['others'];
}
if(is_array($nameSpace['shared'])) {
$result['shared'] = $nameSpace['shared'];
}
}
}
if (!$this->hasCapability('NAMESPACE') || $retrieveDefault) {
$delimiter = $this->getHierarchyDelimiter();
if( PEAR::isError($delimiter)) $delimiter = '/';
$result['personal'] = array(
0 => array(
'name' => '',
'delimiter' => $delimiter
)
);
}
return $result;
}
/**
* returns the quota for given foldername
* gets quota for the current user only
*
* @param string $_folderName
* @return string the current quota for this folder
*/
# function getQuota($_folderName)
# {
# if(!is_resource($this->mbox)) {
# $this->openConnection();
# }
#
# if(function_exists('imap_get_quotaroot') && $this->supportsCapability('QUOTA')) {
# $quota = @imap_get_quotaroot($this->mbox, $this->encodeFolderName($_folderName));
# if(is_array($quota) && isset($quota['STORAGE'])) {
# return $quota['STORAGE'];
# }
# }
#
# return false;
# }
/**
* return the quota for another user
* used by admin connections only
*
* @param string $_username
* @return string the quota for specified user
*/
function getQuotaByUser($_username)
{
$mailboxName = $this->getUserMailboxString($_username);
$storageQuota = $this->getStorageQuota($mailboxName);
if(is_array($storageQuota) && isset($storageQuota['QMAX'])) {
return (int)$storageQuota['QMAX'];
}
return false;
}
/**
* returns information about a user
* currently only supported information is the current quota
*
* @param string $_username
* @return array userdata
*/
function getUserData($_username)
{
$this->openConnection(true);
$userData = array();
if($quota = $this->getQuotaByUser($_username)) {
$userData['quotaLimit'] = $quota / 1024;
}
$this->disconnect();
return $userData;
}
/**
* opens a connection to a imap server
*
* @param bool $_adminConnection create admin connection if true
*
* @return resource the imap connection
*/
function openConnection($_adminConnection=false)
{
unset($this->_connectionErrorObject);
if($_adminConnection) {
$username = $this->adminUsername;
$password = $this->adminPassword;
$options = '';
$this->isAdminConnection = true;
} else {
$username = $this->loginName;
$password = $this->password;
$options = $_options;
$this->isAdminConnection = false;
}
$this->setStreamContextOptions($this->_getTransportOptions());
$this->setTimeout(20);
if( PEAR::isError($status = $this->connect($this->_getTransportString(), $this->port, $this->encryption == 1)) ) {
$this->_connectionErrorObject = $status;
return false;
}
if( PEAR::isError($status = $this->login($username, $password, TRUE, !$this->isAdminConnection)) ) {
$this->_connectionErrorObject = $status;
return false;
}
return true;
}
/**
* restore session variable
*
*/
function restoreSessionData()
{
$this->sessionData = $GLOBALS['egw']->session->appsession('imap_session_data');
}
/**
* save session variable
*
*/
function saveSessionData()
{
$GLOBALS['egw']->session->appsession('imap_session_data','',$this->sessionData);
}
/**
* set userdata
*
* @param string $_username username of the user
* @param int $_quota quota in bytes
* @return bool true on success, false on failure
*/
function setUserData($_username, $_quota)
{
return true;
}
/**
* check if imap server supports given capability
*
* @param string $_capability the capability to check for
* @return bool true if capability is supported, false if not
*/
function supportsCapability($_capability)
{
return $this->hasCapability($_capability);
}
}
?>