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<?php
/**
* initial_response.php
*
* Special script to allow callback from Sphere to avoid cross origin breakage.
* Csrf security is maintained.
* Call to top.restoreSession() happens to ensure directed to correct session.
*
* @package OpenEMR
* @link http://www.open-emr.org
* @author Brady Miller <brady.g.miller@gmail.com>
* @copyright Copyright (c) 2021 Brady Miller <brady.g.miller@gmail.com>
* @license https://github.com/openemr/openemr/blob/master/LICENSE GNU General Public License 3
*/
if (!empty($_GET['revert'])) {
// processing a void or credit (will go to process_revert_response.php)
$cancel = '';
$front = $_GET['front'];
$csrf = $_GET['csrf_token'];
$transaction = $_GET;
$transaction['querystring'] = $_SERVER['QUERY_STRING'];
$revert = 1;
} elseif (!empty($_GET['cancel']) && ($_GET['cancel'] == 'cancel')) {
// user cancelled the payment (will go to process_response.php)
$cancel = 'cancel';
$front = $_GET['front'];
$patientIdCc = $_GET['patient_id_cc'];
$csrf = $_GET['csrf_token'];
$transaction['ticket'] = $_GET['ticket'];
$revert = 0;
} elseif (!empty($_GET['transaction'])) {
// user submitted the payment (will go to process_response.php)
$cancel = '';
$transaction = $_GET['transaction'];
$customFields = json_decode($transaction['transactioncustomfield'], true);
$front = $customFields[1];
$patientIdCc = $customFields[2];
$csrf = $customFields[3];
unset($transaction['transactioncustomfield']);
$revert = 0;
} else {
exit;
}
?>
<html>
<head>
</head>
<body>
<?php if ($revert === 1) { ?>
<form id="myForm" method="post" onsubmit="return top.restoreSession()" action="process_revert_response.php?front=<?php echo htmlspecialchars(urlencode($front), ENT_QUOTES); ?>&csrf_token=<?php echo htmlspecialchars(urlencode($csrf), ENT_QUOTES); ?>">
<?php } else { ?>
<form id="myForm" method="post" onsubmit="return top.restoreSession()" action="process_response.php?front=<?php echo htmlspecialchars(urlencode($front), ENT_QUOTES); ?>&cancel=<?php echo htmlspecialchars(urlencode($cancel), ENT_QUOTES); ?>&patient_id_cc=<?php echo htmlspecialchars(urlencode($patientIdCc), ENT_QUOTES); ?>&csrf_token=<?php echo htmlspecialchars(urlencode($csrf), ENT_QUOTES); ?>">
<?php } ?>
<?php
foreach ($transaction as $a => $b) {
echo '<input type="hidden" name="' . htmlspecialchars($a, ENT_QUOTES) . '" value="' . htmlspecialchars($b, ENT_QUOTES) . '">';
}
?>
</form>
<script>
document.getElementById('myForm').submit();
</script>
</body>
</html>