<?php
if (isset($_POST['key'])) {
ini_set('soap.wsdl_cache_enabled', FALSE);
$requestString = file_get_contents(__DIR__.'/soap-request.xml');
$client = new SoapClient(__DIR__.'/soap.wsdl');
$result = $client->__soapCall('procesaNotificacionSIS', [
'XML' => $requestString
]);
$xml = new SimpleXMLElement($result);
$key = $_POST['key'];
$start = strpos($result, '<Response');
$end = strrpos($result, '</Response>');
$shaString = substr($result, $start, $end - $start + 11);
$shaHash = sha1($shaString.$key);
$isValid = $xml->{'Signature'} == $shaHash;
} else {
$key = '';
$result = '';
$shaHash = '';
$isValid = FALSE;
}
?>
<html>
<head>
<title>
TPV SOAP Client
</title>
</head>
<body>
<form action="?" method="post">
<label>Key:</label>
<input type="password" value="<?=$key?>" name="key"/>
<input type="submit"/>
</form>
<h2>Response</h2>
<p>
<pre><?=htmlentities($result)?></pre>
</p>
<h2>Signature</h2>
<p>
Calculated: <?=$shaHash?>
</p>
<p>
Valid: <input type="checkbox" <?=($isValid ? 'checked' : '')?>/>
</p>
</body>
</html>