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url.php
<?php
require_once '../civicrm.config.php';
require_once 'CRM/Core/Config.php';
require_once 'CRM/Core/Error.php';
require_once 'CRM/Utils/Array.php';
$config = CRM_Core_Config::singleton();
// To keep backward compatibility for URLs generated
// by CiviCRM < 1.7, we check for the q variable as well.
if (isset($_GET['qid'])) {
$queue_id = CRM_Utils_Array::value('qid', $_GET);
}
else {
$queue_id = CRM_Utils_Array::value('q', $_GET);
}
$url_id = CRM_Utils_Array::value('u', $_GET);
if (!$url_id) {
echo "Missing input parameters\n";
exit();
}
require_once 'CRM/Mailing/Event/BAO/TrackableURLOpen.php';
$url = CRM_Mailing_Event_BAO_TrackableURLOpen::track($queue_id, $url_id);
// CRM-7103
// Looking for additional query variables and append them when redirecting.
$query_param = $_GET;
unset($query_param['q'], $query_param['qid'], $query_param['u']);
$query_string = http_build_query($query_param);
if (strlen($query_string) > 0) {
// Parse the url to preserve the fragment.
$pieces = parse_url($url);
if (isset($pieces['fragment'])) {
$url = str_replace('#' . $pieces['fragment'], '', $url);
}
// Handle additional query string params.
if ($query_string) {
if (stristr($url, '?')) {
$url .= '&' . $query_string;
}
else {
$url .= '?' . $query_string;
}
}
// slap the fragment onto the end per URL spec
if (isset($pieces['fragment'])) {
$url .= '#' . $pieces['fragment'];
}
}
CRM_Utils_System::redirect($url);
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