35 lines
1.5 KiB
PHP
35 lines
1.5 KiB
PHP
<?php
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# Copyright (c) 2003-2005, Jannis Hermanns (on behalf the Serendipity Developer Team)
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# All rights reserved. See LICENSE file for licensing details
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include 'serendipity_config.inc.php';
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$url = $serendipity['baseURL'];
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if (isset($_GET['url_id']) && !empty($_GET['url_id']) && isset($_GET['entry_id']) && !empty($_GET['entry_id'])) {
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// See if the submitted link is in our database and should be tracked
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$links = serendipity_db_query("SELECT link FROM {$serendipity['dbPrefix']}references WHERE id = " . (int)$_GET['url_id'] . " AND entry_id = " . (int)$_GET['entry_id'], true);
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if (is_array($links) && isset($links['link'])) {
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// URL is valid. Track it.
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$url = str_replace('&', '&', $links['link']);
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serendipity_track_url('exits', $url, $_GET['entry_id']);
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} elseif (isset($_GET['url']) && !empty($_GET['url'])) {
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// URL is invalid. But a URL-location was sent, so we want to redirect the user kindly.
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$url = str_replace('&', '&', base64_decode($_GET['url']));
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}
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} elseif (isset($_GET['url']) && !empty($_GET['url'])) {
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// No entry-link ID was submitted. Possibly a spammer tried to mis-use the script to get into the top-list.
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$url = strip_tags(str_replace('&', '&', base64_decode($_GET['url'])));
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}
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if (serendipity_isResponseClean($url)) {
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header('HTTP/1.0 301 Moved Permanently');
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header('Status: 301 Moved Permanently');
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header('Location: ' . $url);
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}
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exit;
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/* vim: set sts=4 ts=4 expandtab : */
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?>
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