File: //home/cafsindia/lead_cafsinfotech.com/public/legacy/modules/vCals/HTTP_WebDAV_Server_vCal.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) 2004-2013 SugarCRM Inc.
*
* SuiteCRM is an extension to SugarCRM Community Edition developed by SalesAgility Ltd.
* Copyright (C) 2011 - 2018 SalesAgility Ltd.
*
* 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 and "Supercharged by SuiteCRM" logo. If the display of the logos is not
* reasonably feasible for technical reasons, the Appropriate Legal Notices must
* display the words "Powered by SugarCRM" and "Supercharged by SuiteCRM".
*/
require_once 'modules/Calendar/Calendar.php';
require_once 'include/HTTP_WebDAV_Server/Server.php';
/**
* Filesystem access using WebDAV
*
* @access public
*/
#[\AllowDynamicProperties]
class HTTP_WebDAV_Server_vCal extends HTTP_WebDAV_Server
{
/**
* Root directory for WebDAV access
*
* Defaults to webserver document root (set by ServeRequest)
*
* @access private
* @var string
*/
public $base = "";
public $vcal_focus;
public $vcal_type = "";
public $source = "";
public $publish_key = "";
public function __construct()
{
$this->vcal_focus = BeanFactory::newBean('vCals');
$this->user_focus = BeanFactory::newBean('Users');
}
/**
* Serve a webdav request
*
* @access public
* @param string
*/
public function ServeRequest($base = false)
{
global $sugar_config;
global $current_language;
global $log;
if (!empty($sugar_config['session_dir'])) {
session_save_path($sugar_config['session_dir']);
}
session_start();
$current_language = $sugar_config['default_language'];
// check authentication
if (!$this->_check_auth()) {
$this->http_status('401 Unauthorized');
header('WWW-Authenticate: Basic realm="'.($this->http_auth_realm).'"');
return;
}
// set root directory, defaults to webserver document root if not set
if ($base) {
$this->base = realpath($base); // TODO throw if not a directory
} else {
if (!$this->base) {
$this->base = $_SERVER['DOCUMENT_ROOT'];
}
}
$query_arr = array();
// set path
if (empty($_SERVER["PATH_INFO"])) {
$this->path = "/";
if (strtolower($_SERVER["REQUEST_METHOD"]) == 'get') {
$query_arr = $_REQUEST;
} else {
parse_str($_REQUEST['parms'], $query_arr);
}
} else {
$this->path = $this->_urldecode($_SERVER["PATH_INFO"]);
$query_str = preg_replace('/^\//', '', (string) $this->path);
$query_arr = array();
parse_str($query_str, $query_arr);
}
if (! empty($query_arr['type'])) {
$this->vcal_type = $query_arr['type'];
} else {
$this->vcal_type = 'vfb';
}
if (! empty($query_arr['source'])) {
$this->source = $query_arr['source'];
} else {
$this->source = 'outlook';
}
if (! empty($query_arr['key'])) {
$this->publish_key = $query_arr['key'];
}
// select user by email
if (! empty($query_arr['user_id'])) {
$this->user_focus->retrieve(clean_string($query_arr['user_id']));
$this->user_focus->loadPreferences();
} else {
if (! empty($query_arr['email'])) {
// clean the string!
$query_arr['email'] = clean_string($query_arr['email']);
//get user info
$this->user_focus->retrieve_by_email_address($query_arr['email']);
} else {
if (! empty($query_arr['user_name'])) {
// clean the string!
$query_arr['user_name'] = clean_string($query_arr['user_name']);
//get user info
$arr = array('user_name' => $query_arr['user_name']);
$this->user_focus->retrieve_by_string_fields($arr);
} else {
$errorMessage = 'vCal Server - Invalid request.';
$log->warning($errorMessage);
print $errorMessage;
}
}
}
/**
* @var User|SugarBean|null $current_user
*/
$current_user = BeanFactory::getBean('Users', $_SESSION['authenticated_user_id']);
$userName = $query_arr['user_name'] ?? '';
/**
* Fake a response so that it is not different from when a user is found
*/
if ($this->user_focus->id === null) {
$this->user_focus->last_name = $userName;
} elseif (
!$current_user->isAdmin() &&
$current_user->user_name !== $this->user_focus->user_name
) {
$this->user_focus->last_name = $userName;
}
parent::ServeRequest();
}
/**
* No authentication is needed here
*
* @access private
* @param string $type HTTP Authentication type (Basic, Digest, ...)
* @param string $user Username
* @param string $password Password
* @return bool true on successful authentication
*/
public function check_auth($type, $user, $password)
{
if (isset($_SESSION['authenticated_user_id'])) {
// allow logged in users access to freebusy info
return true;
}
if (!empty($this->publish_key) && !empty($this->user_focus) && $this->user_focus->getPreference('calendar_publish_key') == $this->publish_key) {
return true;
}
if ($type === 'basic' || $type === null) {
$authController = new AuthenticationController();
return $authController->authController->loginAuthenticate($user, $password);
}
return false;
}
public function GET()
{
return true;
}
// {{{ http_GET()
/**
* GET method handler
*
* @param void
* @returns void
*/
public function http_GET()
{
global $log;
if ($this->vcal_type == 'vfb') {
$this->http_status("200 OK");
echo $this->vcal_focus->get_vcal_freebusy($this->user_focus);
} else {
$errorMessage = 'vCal Server - Invalid request.';
$log->warning($errorMessage);
print $errorMessage;
}
}
// }}}
// {{{ http_PUT()
/**
* PUT method handler
*
* @param void
* @return void
*/
public function http_PUT()
{
$focus = null;
$options = array();
$options["path"] = $this->path;
$options["content_length"] = $_SERVER["CONTENT_LENGTH"];
// get the Content-type
if (isset($_SERVER["CONTENT_TYPE"])) {
// for now we do not support any sort of multipart requests
if (!strncmp($_SERVER["CONTENT_TYPE"], "multipart/", 10)) {
$this->http_status("501 not implemented");
echo "The service does not support mulipart PUT requests";
return;
}
$options["content_type"] = $_SERVER["CONTENT_TYPE"];
} else {
// default content type if none given
$options["content_type"] = "application/octet-stream";
}
/* RFC 2616 2.6 says: "The recipient of the entity MUST NOT
ignore any Content-* (e.g. Content-Range) headers that it
does not understand or implement and MUST return a 501
(Not Implemented) response in such cases."
*/
foreach ($_SERVER as $key => $val) {
if (strncmp($key, "HTTP_CONTENT", 11)) {
continue;
}
switch ($key) {
case 'HTTP_CONTENT_ENCODING': // RFC 2616 14.11
// TODO support this if ext/zlib filters are available
$this->http_status("501 not implemented");
echo "The service does not support '$val' content encoding";
return;
case 'HTTP_CONTENT_LANGUAGE': // RFC 2616 14.12
// we assume it is not critical if this one is ignored
// in the actual PUT implementation ...
$options["content_language"] = $val;
break;
case 'HTTP_CONTENT_LOCATION': // RFC 2616 14.14
/* The meaning of the Content-Location header in PUT
or POST requests is undefined; servers are free
to ignore it in those cases. */
break;
case 'HTTP_CONTENT_RANGE': // RFC 2616 14.16
// single byte range requests are NOT supported
// the header format is also specified in RFC 2616 14.16
// TODO we have to ensure that implementations support this or send 501 instead
$this->http_status("400 bad request");
echo "The service does only support single byte ranges";
return;
case 'HTTP_CONTENT_MD5': // RFC 2616 14.15
// TODO: maybe we can just pretend here?
$this->http_status("501 not implemented");
echo "The service does not support content MD5 checksum verification";
return;
case 'HTTP_CONTENT_LENGTH': // RFC 2616 14.14
/* The meaning of the Content-Location header in PUT
or POST requests is undefined; servers are free
to ignore it in those cases. */
break;
default:
// any other unknown Content-* headers
$this->http_status("501 not implemented");
echo "The service does not support '$key'";
return;
}
}
// DO AUTHORIZATION for publishing Free/busy to Sugar:
if (empty($this->publish_key) ||
$this->publish_key != $this->user_focus->getPreference('calendar_publish_key')) {
$this->http_status("401 not authorized");
return;
}
// retrieve
$arr = array('user_id'=>$this->user_focus->id,'type'=>'vfb','source'=>$this->source);
$this->vcal_focus->retrieve_by_string_fields($arr);
$isUpdate = false;
if (! empty($this->vcal_focus->user_id) &&
$this->vcal_focus->user_id != -1) {
$isUpdate = true;
}
// open input stream
$options["stream"] = fopen("php://input", 'rb');
$content = '';
// read in input stream
while (!feof($options["stream"])) {
$content .= fread($options["stream"], 4096);
}
// set freebusy members and save
$this->vcal_focus->content = $content;
$this->vcal_focus->type = 'vfb';
$this->vcal_focus->source = $this->source;
$focus->date_modified = null;
$this->vcal_focus->user_id = $this->user_focus->id;
$this->vcal_focus->save();
if ($isUpdate) {
$this->http_status("204 No Content");
} else {
$this->http_status("201 Created");
}
}
/**
* PUT method handler
*
* @param array parameter passing array
* @return bool true on success
*/
public function PUT(&$options)
{
}
/**
* LOCK method handler
*
* @param array general parameter passing array
* @return bool true on success
*/
public function lock(&$options)
{
$options["timeout"] = time()+300; // 5min. hardcoded
return true;
}
/**
* UNLOCK method handler
*
* @param array general parameter passing array
* @return bool true on success
*/
public function unlock(&$options)
{
return "200 OK";
}
/**
* checkLock() helper
*
* @param string resource path to check for locks
* @return bool true on success
*/
public function checkLock($path)
{
return false;
}
}