forked from GNUsocial/gnu-social
44 lines
1.3 KiB
PHP
44 lines
1.3 KiB
PHP
<?php
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/*
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* GNU social
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* Copyright (C) 2010, Free Software Foundation, Inc
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// basename should make sure we can't escape this directory
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$u = basename($_GET['resource']);
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if (!strpos($u, '@')) {
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throw new Exception('Bad resource');
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exit(1);
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}
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if (mb_strpos($u, 'acct:')===0) {
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$u = substr($u, 5);
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}
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// Just to be a little bit safer, you know, with all the unicode stuff going on
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$u = filter_var($u, FILTER_SANITIZE_EMAIL);
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$f = $u . ".xml";
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if (file_exists($f)) {
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header('Content-Disposition: attachment; filename="'.urlencode($f).'"');
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header('Content-type: application/xrd+xml');
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echo file_get_contents($f);
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}
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