430 lines
14 KiB
PHP
Executable File
430 lines
14 KiB
PHP
Executable File
<?php
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if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
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/*********************************************************************************
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* SugarCRM is a customer relationship management program developed by
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* SugarCRM, Inc. Copyright (C) 2004-2010 SugarCRM Inc.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Affero General Public License version 3 as published by the
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* Free Software Foundation with the addition of the following permission added
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* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
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* IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
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* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Affero General Public License along with
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* this program; if not, see http://www.gnu.org/licenses or write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA.
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*
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* You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
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* SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU Affero General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "Powered by
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* SugarCRM" logo. If the display of the logo is not reasonably feasible for
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* technical reasons, the Appropriate Legal Notices must display the words
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* "Powered by SugarCRM".
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********************************************************************************/
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require_once 'modules/Calendar/Calendar.php';
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require_once 'include/HTTP_WebDAV_Server/Server.php';
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/**
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* Filesystem access using WebDAV
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*
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* @access public
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*/
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class HTTP_WebDAV_Server_vCal extends HTTP_WebDAV_Server
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{
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/**
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* Root directory for WebDAV access
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*
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* Defaults to webserver document root (set by ServeRequest)
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*
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* @access private
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* @var string
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*/
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var $base = "";
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var $vcal_focus;
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var $vcal_type = "";
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var $source = "";
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var $publish_key = "";
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function HTTP_WebDAV_Server_vCal()
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{
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$this->vcal_focus = new vCal();
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$this->user_focus = new User();
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}
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/**
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* Serve a webdav request
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*
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* @access public
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* @param string
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*/
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function ServeRequest($base = false)
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{
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global $sugar_config,$current_language;
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if (!empty($sugar_config['session_dir']))
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{
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session_save_path($sugar_config['session_dir']);
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}
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session_start();
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// clean_incoming_data();
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$current_language = $sugar_config['default_language'];
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// special treatment for litmus compliance test
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// reply on its identifier header
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// not needed for the test itself but eases debugging
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/*
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foreach(apache_request_headers() as $key => $value) {
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if(stristr($key,"litmus")) {
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error_log("Litmus test $value");
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header("X-Litmus-reply: ".$value);
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}
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}
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*/
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// set root directory, defaults to webserver document root if not set
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if ($base) {
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$this->base = realpath($base); // TODO throw if not a directory
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} else if(!$this->base) {
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$this->base = $_SERVER['DOCUMENT_ROOT'];
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}
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$query_arr = array();
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// set path
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if ( empty($_SERVER["PATH_INFO"]))
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{
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$this->path = "/";
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if(strtolower($_SERVER["REQUEST_METHOD"]) == 'get'){
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$query_arr = $_REQUEST;
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}else{
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parse_str($_REQUEST['parms'],$query_arr);
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}
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} else{
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$this->path = $this->_urldecode( $_SERVER["PATH_INFO"]);
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if(ini_get("magic_quotes_gpc")) {
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$this->path = stripslashes($this->path);
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}
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$query_str = preg_replace('/^\//','',$this->path);
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$query_arr = array();
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parse_str($query_str,$query_arr);
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}
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if ( ! empty($query_arr['type']))
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{
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$this->vcal_type = $query_arr['type'];
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}
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else {
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$this->vcal_type = 'vfb';
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}
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if ( ! empty($query_arr['source']))
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{
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$this->source = $query_arr['source'];
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}
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else {
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$this->source = 'outlook';
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}
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if ( ! empty($query_arr['key']))
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{
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$this->publish_key = $query_arr['key'];
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}
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// select user by email
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if ( ! empty($query_arr['email']))
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{
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// clean the string!
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$query_arr['email'] = clean_string($query_arr['email']);
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//get user info
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$this->user_focus->retrieve_by_email_address( $query_arr['email']);
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}
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// else select user by user_name
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else if ( ! empty($query_arr['user_name']))
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{
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// clean the string!
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$query_arr['user_name'] = clean_string($query_arr['user_name']);
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//get user info
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$arr = array('user_name'=>$query_arr['user_name']);
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$this->user_focus->retrieve_by_string_fields($arr);
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}
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// else select user by user id
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else if ( ! empty($query_arr['user_id']))
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{
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$this->user_focus->retrieve($query_arr['user_id']);
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}
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// if we haven't found a user, then return 404
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if ( empty($this->user_focus->id) || $this->user_focus->id == -1)
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{
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$this->http_status("404 Not Found");
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return;
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}
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// if(empty($this->user_focus->user_preferences))
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// {
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$this->user_focus->loadPreferences();
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// }
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// let the base class do all the work
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parent::ServeRequest();
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}
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/**
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* No authentication is needed here
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*
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* @access private
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* @param string HTTP Authentication type (Basic, Digest, ...)
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* @param string Username
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* @param string Password
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* @return bool true on successful authentication
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*/
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function check_auth($type, $user, $pass)
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{
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return true;
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}
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function GET()
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{
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return true;
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}
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// {{{ http_GET()
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/**
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* GET method handler
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*
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* @param void
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* @returns void
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*/
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function http_GET()
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{
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if ($this->vcal_type == 'vfb')
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{
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$this->http_status("200 OK");
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echo $this->vcal_focus->get_vcal_freebusy($this->user_focus);
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} else {
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$this->http_status("404 Not Found");
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}
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}
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// }}}
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// {{{ http_PUT()
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/**
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* PUT method handler
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*
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* @param void
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* @return void
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*/
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function http_PUT()
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{
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$options = Array();
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$options["path"] = $this->path;
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$options["content_length"] = $_SERVER["CONTENT_LENGTH"];
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// get the Content-type
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if (isset($_SERVER["CONTENT_TYPE"])) {
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// for now we do not support any sort of multipart requests
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if (!strncmp($_SERVER["CONTENT_TYPE"], "multipart/", 10)) {
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$this->http_status("501 not implemented");
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echo "The service does not support mulipart PUT requests";
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return;
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}
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$options["content_type"] = $_SERVER["CONTENT_TYPE"];
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} else {
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// default content type if none given
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$options["content_type"] = "application/octet-stream";
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}
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/* RFC 2616 2.6 says: "The recipient of the entity MUST NOT
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ignore any Content-* (e.g. Content-Range) headers that it
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does not understand or implement and MUST return a 501
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(Not Implemented) response in such cases."
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*/
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foreach ($_SERVER as $key => $val) {
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if (strncmp($key, "HTTP_CONTENT", 11)) continue;
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switch ($key) {
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case 'HTTP_CONTENT_ENCODING': // RFC 2616 14.11
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// TODO support this if ext/zlib filters are available
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$this->http_status("501 not implemented");
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echo "The service does not support '$val' content encoding";
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return;
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case 'HTTP_CONTENT_LANGUAGE': // RFC 2616 14.12
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// we assume it is not critical if this one is ignored
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// in the actual PUT implementation ...
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$options["content_language"] = $val;
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break;
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case 'HTTP_CONTENT_LOCATION': // RFC 2616 14.14
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/* The meaning of the Content-Location header in PUT
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or POST requests is undefined; servers are free
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to ignore it in those cases. */
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break;
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case 'HTTP_CONTENT_RANGE': // RFC 2616 14.16
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// single byte range requests are NOT supported
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// the header format is also specified in RFC 2616 14.16
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// TODO we have to ensure that implementations support this or send 501 instead
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$this->http_status("400 bad request");
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echo "The service does only support single byte ranges";
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return;
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case 'HTTP_CONTENT_MD5': // RFC 2616 14.15
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// TODO: maybe we can just pretend here?
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$this->http_status("501 not implemented");
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echo "The service does not support content MD5 checksum verification";
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return;
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case 'HTTP_CONTENT_LENGTH': // RFC 2616 14.14
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/* The meaning of the Content-Location header in PUT
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or POST requests is undefined; servers are free
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to ignore it in those cases. */
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break;
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default:
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// any other unknown Content-* headers
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$this->http_status("501 not implemented");
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echo "The service does not support '$key'";
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return;
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}
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}
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// DO AUTHORIZATION for publishing Free/busy to Sugar:
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if ( $this->user_focus->getPreference('calendar_publish_key') &&
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$this->publish_key != $this->user_focus->getPreference('calendar_publish_key' ))
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{
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$this->http_status("401 not authorized");
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return;
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}
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// retrieve
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$arr = array('user_id'=>$this->user_focus->id,'type'=>'vfb','source'=>$this->source);
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$this->vcal_focus->retrieve_by_string_fields($arr);
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$isUpdate = false;
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if ( ! empty($this->vcal_focus->user_id ) &&
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$this->vcal_focus->user_id != -1 )
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{
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$isUpdate = true;
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}
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// open input stream
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$options["stream"] = fopen("php://input", "r");
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$content = '';
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// read in input stream
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while (!feof($options["stream"]))
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{
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$content .= fread($options["stream"], 4096);
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}
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// set freebusy members and save
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$this->vcal_focus->content = $content;
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$this->vcal_focus->type = 'vfb';
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$this->vcal_focus->source = $this->source;
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$focus->date_modified = null;
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$this->vcal_focus->user_id = $this->user_focus->id;
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$this->vcal_focus->save();
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if ( $isUpdate )
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{
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$this->http_status("204 No Content");
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} else {
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$this->http_status("201 Created");
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}
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}
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/**
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* PUT method handler
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*
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* @param array parameter passing array
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* @return bool true on success
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*/
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function PUT(&$options)
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{
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}
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/**
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* LOCK method handler
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*
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* @param array general parameter passing array
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* @return bool true on success
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*/
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function lock(&$options)
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{
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$options["timeout"] = time()+300; // 5min. hardcoded
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return true;
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}
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/**
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* UNLOCK method handler
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*
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* @param array general parameter passing array
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* @return bool true on success
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*/
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function unlock(&$options)
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{
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return "200 OK";
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}
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/**
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* checkLock() helper
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*
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* @param string resource path to check for locks
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* @return bool true on success
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*/
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function checkLock($path)
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{
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return false;
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}
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}
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?>
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