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