1<?php 2 3declare(strict_types=1); 4 5namespace Sabre\DAV\Mount; 6 7use Sabre\DAV; 8use Sabre\HTTP\RequestInterface; 9use Sabre\HTTP\ResponseInterface; 10 11/** 12 * This plugin provides support for RFC4709: Mounting WebDAV servers. 13 * 14 * Simply append ?mount to any collection to generate the davmount response. 15 * 16 * @copyright Copyright (C) fruux GmbH (https://fruux.com/) 17 * @author Evert Pot (http://evertpot.com/) 18 * @license http://sabre.io/license/ Modified BSD License 19 */ 20class Plugin extends DAV\ServerPlugin 21{ 22 /** 23 * Reference to Server class. 24 * 25 * @var DAV\Server 26 */ 27 protected $server; 28 29 /** 30 * Initializes the plugin and registers event handles. 31 */ 32 public function initialize(DAV\Server $server) 33 { 34 $this->server = $server; 35 $this->server->on('method:GET', [$this, 'httpGet'], 90); 36 } 37 38 /** 39 * 'beforeMethod' event handles. This event handles intercepts GET requests ending 40 * with ?mount. 41 * 42 * @return bool 43 */ 44 public function httpGet(RequestInterface $request, ResponseInterface $response) 45 { 46 $queryParams = $request->getQueryParameters(); 47 if (!array_key_exists('mount', $queryParams)) { 48 return; 49 } 50 51 $currentUri = $request->getAbsoluteUrl(); 52 53 // Stripping off everything after the ? 54 list($currentUri) = explode('?', $currentUri); 55 56 $this->davMount($response, $currentUri); 57 58 // Returning false to break the event chain 59 return false; 60 } 61 62 /** 63 * Generates the davmount response. 64 * 65 * @param string $uri absolute uri 66 */ 67 public function davMount(ResponseInterface $response, $uri) 68 { 69 $response->setStatus(200); 70 $response->setHeader('Content-Type', 'application/davmount+xml'); 71 ob_start(); 72 echo '<?xml version="1.0"?>', "\n"; 73 echo "<dm:mount xmlns:dm=\"http://purl.org/NET/webdav/mount\">\n"; 74 echo ' <dm:url>', htmlspecialchars($uri, ENT_NOQUOTES, 'UTF-8'), "</dm:url>\n"; 75 echo '</dm:mount>'; 76 $response->setBody(ob_get_clean()); 77 } 78} 79