Using Virtuoso's WebID? Verify Proxy Service with an X.509 certificate WebID?: PHP Example
<?php
function apiURL()
{
$pageURL = $_SERVER['HTTPS'] == 'on' ? 'https://' : 'http://';
$pageURL .= $_SERVER['SERVER_PORT'] <> '80' ? $_SERVER['SERVER_NAME'] . ':' . $_SERVER['SERVER_PORT'] : $_SERVER['SERVER_NAME'];
return $pageURL . '/ods/webid_demo.php';
}
$_webid = isset ($_REQUEST['webid']) ? $_REQUEST['webid'] : '';
$_error = isset ($_REQUEST['error']) ? $_REQUEST['error'] : '';
$_action = isset ($_REQUEST['go']) ? $_REQUEST['go'] : '';
if (($_webid == '') && ($_error == ''))
{
if ($_action <> '')
{
if ($_SERVER['HTTPS'] <> 'on')
{
$_error = 'No certificate';
}
else
{
$_callback = apiURL();
$_url = sprintf ('https://id.myopenlink.net/ods/webid_verify.vsp?callback=%s', urlencode($_callback));
header (sprintf ('Location: %s', $_url));
return;
}
}
}
?>
<html>
<head>
<title>WebID Verification Demo - PHP</title>
</head>
<body>
<h1>WebID Verification Demo</h1>
<div>
This will check your X.509 Certificate's WebID watermark. <br/>Also note this service supports ldap, http, mailto, acct scheme based WebIDs.
</div>
<br/>
<br/>
<div>
<form method="get">
<input type="submit" name="go" value="Check"/>
</form>
</div>
<?php
if (($_webid <> '') || ($_error <> ''))
{
?>
<div>
The return values are:
<ul>
<?php
if ($_webid <> '')
{
?>
<li>WebID - <?php print ($_webid); ?></li>
<li>Timestamp in ISO 8601 format - <?php print ($_REQUEST['ts']); ?></li>
<?php
}
if ($_error <> '')
{
?>
<li>Error - <?php print ($_error); ?></li>
<?php
}
?>
</ul>
</div>
<?php
}
?>
</body>
</html>