roundcubemail-plugins-kolab/plugins/libkolab/libkolab.php

126 lines
4 KiB
PHP

<?php
/**
* Kolab core library
*
* Plugin to setup a basic environment for the interaction with a Kolab server.
* Other Kolab-related plugins will depend on it and can use the library classes
*
* @version @package_version@
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2012, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class libkolab extends rcube_plugin
{
static $http_requests = array();
/**
* Required startup method of a Roundcube plugin
*/
public function init()
{
// load local config
$this->load_config();
$this->add_hook('storage_init', array($this, 'storage_init'));
// extend include path to load bundled lib classes
$include_path = $this->home . '/lib' . PATH_SEPARATOR . ini_get('include_path');
set_include_path($include_path);
$rcmail = rcube::get_instance();
try {
kolab_format::$timezone = new DateTimeZone($rcmail->config->get('timezone', 'GMT'));
}
catch (Exception $e) {
rcube::raise_error($e, true);
kolab_format::$timezone = new DateTimeZone('GMT');
}
}
/**
* Hook into IMAP FETCH HEADER.FIELDS command and request Kolab-specific headers
*/
function storage_init($p)
{
$p['fetch_headers'] = trim($p['fetch_headers'] .' X-KOLAB-TYPE X-KOLAB-MIME-VERSION');
return $p;
}
/**
* Wrapper function to load and initalize the HTTP_Request2 Object
*
* @param string|Net_Url2 Request URL
* @param string Request method ('OPTIONS','GET','HEAD','POST','PUT','DELETE','TRACE','CONNECT')
* @param array Configuration for this Request instance, that will be merged
* with default configuration
*
* @return HTTP_Request2 Request object
*/
public static function http_request($url = '', $method = 'GET', $config = array())
{
$rcube = rcube::get_instance();
$http_config = (array) $rcube->config->get('kolab_http_request');
// deprecated configuration options
if (empty($$http_config)) {
foreach (array('ssl_verify_peer', 'ssl_verify_host') as $option) {
$value = $rcube->config->get('kolab_' . $option, true);
if (is_bool($value)) {
$http_config[$option] = $value;
}
}
}
if (!empty($config)) {
$http_config = array_merge($http_config, $config);
}
$key = md5(serialize($http_config));
if (!($request = self::$http_requests[$key])) {
// load HTTP_Request2
require_once 'HTTP/Request2.php';
try {
$request = new HTTP_Request2();
$request->setConfig($http_config);
}
catch (Exception $e) {
rcube::raise_error($e, true, true);
}
// proxy User-Agent string
$request->setHeader('user-agent', $_SERVER['HTTP_USER_AGENT']);
self::$http_requests[$key] = $request;
}
// cleanup
try {
$request->setBody('');
$request->setUrl($url);
$request->setMethod($method);
}
catch (Exception $e) {
rcube::raise_error($e, true, true);
}
return $request;
}
}