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"use strict";
function handleRequest(request, response) {
const params = new URLSearchParams(request.queryString);
switch (params.get("test")) {
case "cache":
handleCacheTestRequest(request, response);
break;
case "user-agent":
handleUserAgentTestRequest(request, response);
break;
case "injected-script":
handleInjectedScriptTestRequest(request, response, params);
break;
}
}
function handleCacheTestRequest(request, response) {
response.setHeader("Content-Type", "text/plain; charset=UTF-8", false);
if (request.hasHeader("pragma") && request.hasHeader("cache-control")) {
response.write(
`${request.getHeader("pragma")}:${request.getHeader("cache-control")}`
);
} else {
response.write("empty cache headers");
}
}
function handleUserAgentTestRequest(request, response) {
response.setHeader("Content-Type", "text/plain; charset=UTF-8", false);
if (request.hasHeader("user-agent")) {
response.write(request.getHeader("user-agent"));
} else {
response.write("no user agent header");
}
}
function handleInjectedScriptTestRequest(request, response, params) {
response.setHeader("Content-Type", "text/html; charset=UTF-8", false);
const frames = parseInt(params.get("frames"), 10);
let content = "";
if (frames > 0) {
// Output an iframe in seamless mode, so that there is an higher chance that in case
// of test failures we get a screenshot where the nested iframes are all visible.
content = `<iframe seamless src="?test=injected-script&frames=${
frames - 1
}"></iframe>`;
} else {
// Output an about:srcdoc frame to be sure that inspectedWindow.eval is able to
// evaluate js code into it.
const srcdoc = `
<pre>injected script NOT executed</pre>
<script>window.pageScriptExecutedFirst = true</script>
`;
content = `<iframe style="height: 30px;" srcdoc="${srcdoc}"></iframe>`;
}
if (params.get("stop") == "windowStop") {
content = "<script>window.stop();</script>" + content;
}
response.write(`<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
iframe { width: 100%; height: ${frames * 150}px; }
</style>
</head>
<body>
<h1>IFRAME ${frames}</h1>
<pre>injected script NOT executed</pre>
<script>
window.pageScriptExecutedFirst = true;
</script>
${content}
</body>
</html>
`);
}