5 * Copyright (C) 2010, Free Software Foundation, Inc
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 // basename should make sure we can't escape this directory
23 $u = basename($_GET['resource']);
25 if (!strpos($u, '@')) {
26 throw new Exception('Bad resource');
30 if (mb_strpos($u, 'acct:')===0) {
34 // Just to be a little bit safer, you know, with all the unicode stuff going on
35 $u = filter_var($u, FILTER_SANITIZE_EMAIL);
39 if (file_exists($f)) {
40 header('Content-Disposition: attachment; filename="'.urlencode($f).'"');
41 header('Content-type: application/xrd+xml');
42 echo file_get_contents($f);