Current File : /var/www/crm/modules/iCals/HTTP_WebDAV_Server_iCal.php
<?php
if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
/*********************************************************************************
* SugarCRM Community Edition is a customer relationship management program developed by
* SugarCRM, Inc. Copyright (C) 2004-2012 SugarCRM Inc.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License version 3 as published by the
* Free Software Foundation with the addition of the following permission added
* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
* IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* 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 or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*
* You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
* SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License version 3.
*
* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* SugarCRM" logo. If the display of the logo is not reasonably feasible for
* technical reasons, the Appropriate Legal Notices must display the words
* "Powered by SugarCRM".
********************************************************************************/
require_once 'modules/Calendar/Calendar.php';
require_once 'modules/iCals/iCal.php';
require_once 'modules/vCals/HTTP_WebDAV_Server_vCal.php';
/**
* Calendar access using WebDAV
*
* @access public
*/
class HTTP_WebDAV_Server_iCal extends HTTP_WebDAV_Server_vCal
{
var $cal_encoding = "";
var $cal_charset = "";
var $http_spec = "";
/**
* Constructor for the WebDAV srver
*/
public function __construct()
{
$this->vcal_focus = new iCal();
$this->user_focus = new User();
}
/**
* Serve a webdav request
*
* @access public
* @param string
*/
public function ServeICalRequest($base = false)
{
if (empty($_REQUEST['type'])) {
$_REQUEST['type'] = 'ics';
}
if (empty($_REQUEST['encoding'])) {
$this->cal_encoding = 'utf-8';
} else {
$this->cal_encoding = $_REQUEST['encoding'];
}
if (empty($_REQUEST['cal_charset'])) {
$this->cal_charset = 'utf-8';
} else {
$this->cal_charset = $_REQUEST['cal_charset'];
}
if (empty($_REQUEST['http_spec'])) {
$this->http_spec = '1.1';
} else {
$this->http_spec = $_REQUEST['http_spec'];
}
// check the HTTP auth headers for a user
if (empty($_REQUEST['user_name']) && !empty($_SERVER['PHP_AUTH_USER'])) {
$_REQUEST['user_name'] = $_SERVER['PHP_AUTH_USER'];
$_REQUEST['key'] = $_SERVER['PHP_AUTH_PW'];
}
// if username is still empty, then return 401
if (empty($_REQUEST['user_name']) && empty($_REQUEST['email'])) {
if ($_REQUEST['type'] == 'ics') {
$this->http_status("401 not authorized");
header('WWW-Authenticate: Basic realm="SugarCRM iCal"');
ob_end_clean();
echo 'Authorization required';
} else {
$this->http_status("404 Not Found");
ob_end_clean();
}
return;
}
parent::ServeRequest();
}
/**
* GET method handler
*
* @param void
* @returns void
*/
public function http_GET()
{
if ($this->vcal_type == 'vfb') {
$this->http_status("200 OK");
ob_end_clean();
echo $this->vcal_focus->get_vcal_freebusy($this->user_focus);
} else if ($this->vcal_type == 'ics') {
// DO HTTP AUTHORIZATION for iCal:
if ( empty($this->publish_key ) ||
$this->publish_key != $this->user_focus->getPreference('calendar_publish_key' )) {
$this->http_status("401 not authorized");
header('WWW-Authenticate: Basic realm="SugarCRM iCal"');
echo 'Authorization required';
return;
}
$this->http_status("200 OK");
header('Content-Type: text/calendar; charset="' . $this->cal_charset . '"');
$result = mb_convert_encoding(html_entity_decode($this->vcal_focus->getVcalIcal($this->user_focus, $_REQUEST['num_months']), ENT_QUOTES, $this->cal_charset), $this->cal_encoding);
ob_end_clean();
echo $result;
} else {
$this->http_status("404 Not Found");
ob_end_clean();
}
}
/**
* set HTTP return status and mirror it in a private header
*
* @param string status code and message
* @return void
*/
public function http_status($status)
{
// simplified success case
if($status === true) {
$status = "200 OK";
}
// remember status
$this->_http_status = $status;
// generate HTTP status response
header("HTTP/$this->http_spec $status");
header("X-WebDAV-Status: $status", true);
}
}
?>
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