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<?php
/**
* iRony, the Kolab WebDAV/CalDAV/CardDAV Server
*
* This is the public API to provide *DAV-based access to the Kolab Groupware backend
*
* @version 0.1.0
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2013, 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/>.
*/
// define some environment variables used thoughout the app and libraries
define('KOLAB_DAV_ROOT', realpath('../'));
define('KOLAB_DAV_VERSION', '0.1.0');
define('RCUBE_INSTALL_PATH', KOLAB_DAV_ROOT . '/');
define('RCUBE_CONFIG_DIR', KOLAB_DAV_ROOT . '/config/');
define('RCUBE_PLUGINS_DIR', KOLAB_DAV_ROOT . '/lib/plugins/');
// suppress error notices
ini_set('error_reporting', E_ALL &~ E_NOTICE &~ E_STRICT);
// UTC is easy to work with, and usually recommended for any application.
date_default_timezone_set('UTC');
/**
* Mapping PHP errors to exceptions.
*
* While this is not strictly needed, it makes a lot of sense to do so. If an
* E_NOTICE or anything appears in your code, this allows SabreDAV to intercept
* the issue and send a proper response back to the client (HTTP/1.1 500).
*/
function exception_error_handler($errno, $errstr, $errfile, $errline ) {
throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
}
//set_error_handler("exception_error_handler");
// use composer's autoloader for both dependencies and local lib
require_once KOLAB_DAV_ROOT . '/vendor/autoload.php';
// load the Roundcube framework
require_once KOLAB_DAV_ROOT . '/lib/Roundcube/bootstrap.php';
// Roundcube framework initialization
$rcube = rcube::get_instance(rcube::INIT_WITH_DB | rcube::INIT_WITH_PLUGINS);
$rcube->config->load_from_file(RCUBE_CONFIG_DIR . 'dav.inc.php');
$rcube->plugins->init($rcube);
$rcube->plugins->load_plugins(array('libkolab','libcalendaring'));
// convenience function, you know it well :-)
function console() { call_user_func_array(array('rcube', 'console'), func_get_args()); }
// quick & dirty request debugging
if ($debug = $rcube->config->get('kolab_dav_debug')) {
$http_headers = $_SERVER['REQUEST_METHOD'] . ' ' . $_SERVER['REQUEST_URI'] . ' ' . $_SERVER['SERVER_PROTOCOL'] . "\n";
foreach (apache_request_headers() as $hdr => $value) {
$http_headers .= "$hdr: $value\n";
}
// read HTTP request body (with our own file handle)
#$in = fopen('php://input', 'r');
#while (!feof($in)) $http_body .= fread($in, 1024);
#fclose($in);
$rcube->write_log('davdebug', $http_headers . "\n" . $http_body . "\n");
ob_start(); // turn on output buffering
}
// Make sure this setting is turned on and reflects the root url of the *DAV server.
$base_uri = $rcube->config->get('base_uri', slashify(substr(dirname($_SERVER['SCRIPT_FILENAME']), strlen($_SERVER['DOCUMENT_ROOT']))));
// create the various backend instances
$auth_backend = new \Kolab\DAV\Auth\HTTPBasic();
$principal_backend = new \Kolab\DAVACL\PrincipalBackend();
//$carddav_backend = new \Kolab\CardDAV\ContactsBackend();
$caldav_backend = new \Kolab\CalDAV\CalendarBackend();
$caldav_backend->setUserAgent($_SERVER['HTTP_USER_AGENT']);
// Build the directory tree
// This is an array which contains the 'top-level' directories in the WebDAV server.
$nodes = array(
// /principals
new \Sabre\CalDAV\Principal\Collection($principal_backend),
// /calendars
new \Kolab\CalDAV\CalendarRootNode($principal_backend, $caldav_backend),
// /addressbook
// new \Sabre\CardDAV\AddressBookRoot($principalBackend, $carddavBackend),
);
// the object tree needs in turn to be passed to the server class
$server = new \Sabre\DAV\Server($nodes);
$server->setBaseUri($base_uri);
// register some plugins
$server->addPlugin(new \Sabre\DAV\Auth\Plugin($auth_backend, 'KolabDAV'));
$server->addPlugin(new \Sabre\DAVACL\Plugin()); // we'll add that later
$server->addPlugin(new \Kolab\CalDAV\Plugin());
//$server->addPlugin(new \Sabre\CardDAV\Plugin());
$server->addPlugin(new \Sabre\DAV\Browser\Plugin());
// finally, process the request
$server->exec();
// catch server response in debug log
if ($debug) {
$rcube->write_log('davdebug', "RESPONSE:\n" . ob_get_contents());
ob_end_flush();
}
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