Function proxyToSimDeck

packages/ci-proxy-worker/src/index.ts:213–247

(
  request: Request,
  session: SessionCookie,
)

}

async function proxyToSimDeck(
  request: Request,
  session: SessionCookie,
): Promise<Response> {
  const requestUrl = new URL(request.url);
  const upstream = new URL(session.upstream);
  const target = new URL(requestUrl.pathname + requestUrl.search, upstream);
  target.searchParams.set("simdeckToken", session.token);
  if (session.device && !target.searchParams.has("device")) {
    target.searchParams.set("device", session.device);
  }

  const headers = new Headers(request.headers);
  headers.set("X-SimDeck-Token", session.token);
  headers.set("Host", target.host);
  headers.delete("Cookie");

  const response = await fetch(target.toString(), {
    body: request.body,
    headers,
    method: request.method,
    redirect: "manual",
  });

  const responseHeaders = new Headers(response.headers);
  responseHeaders.delete("set-cookie");
  responseHeaders.set("Cache-Control", "no-store");
  rewriteLocationHeader(responseHeaders, upstream, requestUrl.origin);

  return new Response(response.body, {
    status: response.status,
    statusText: response.statusText,
    headers: responseHeaders,
  });
}

function rewriteLocationHeader(
  headers: Headers,