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"use strict";
// redirection uri
const REDIRECT_URI =
const REDIRECT_URI_HTTP =
const REDIRECT_URI_HTTPS =
const RESPONSE_ERROR = "unexpected-query";
// An onload postmessage to window opener
const RESPONSE_HTTPS_SCHEME = `
<html>
<body>
<script type="application/javascript">
window.opener.postMessage({result: 'scheme-https'}, '*');
</script>
</body>
</html>`;
const RESPONSE_HTTP_SCHEME = `
<html>
<body>
<script type="application/javascript">
window.opener.postMessage({result: 'scheme-http'}, '*');
</script>
</body>
</html>`;
function sendRedirection(query, response) {
// send a redirection to an http uri
if (query.includes("test1")) {
response.setHeader("Location", REDIRECT_URI_HTTP, false);
return;
}
// send a redirection to an https uri
if (query.includes("test2")) {
response.setHeader("Location", REDIRECT_URI_HTTPS, false);
return;
}
// send a redirection to an http uri with hsts header
if (query.includes("test3")) {
response.setHeader("Strict-Transport-Security", "max-age=60");
response.setHeader("Location", REDIRECT_URI_HTTP, false);
}
}
function handleRequest(request, response) {
response.setHeader("Cache-Control", "no-cache", false);
const query = request.queryString;
// if the query contains a test query start first test
if (query.startsWith("test")) {
// send a 302 redirection
response.setStatusLine(request.httpVersion, 302, "Found");
response.setHeader("Location", REDIRECT_URI + query, false);
return;
}
// Send a redirection
if (query.includes("redirect")) {
response.setStatusLine(request.httpVersion, 302, "Found");
sendRedirection(query, response);
return;
}
// Reset the HSTS policy, prevent influencing other tests
if (request.queryString === "reset") {
response.setHeader("Strict-Transport-Security", "max-age=0");
let response_content =
request.scheme === "https" ? RESPONSE_HTTPS_SCHEME : RESPONSE_HTTP_SCHEME;
response.setStatusLine(request.httpVersion, 200, "OK");
response.write(response_content);
}
// Check if scheme is http:// or https://
if (query == "verify") {
let response_content =
request.scheme === "https" ? RESPONSE_HTTPS_SCHEME : RESPONSE_HTTP_SCHEME;
response.setStatusLine(request.httpVersion, 200, "OK");
response.write(response_content);
return;
}
// We should never get here, but just in case ...
response.setStatusLine(request.httpVersion, 500, "OK");
response.write("unexepcted query");
}