Function authenticateSession

packages/ci-proxy-worker/src/index.ts:144–180

(request: Request)

}

async function authenticateSession(request: Request): Promise<Response> {
  const form = await request.formData();
  const encoded = stringFormValue(form.get(REDIRECT_PARAM));
  const password = stringFormValue(form.get("password"));
  if (!encoded || !password) {
    return passwordShellResponse(
      "Password required",
      "<p>Enter the SimDeck session password to continue.</p>",
      400,
    );
  }

  const session = parseEncodedSession(encoded);
  if (!session.tokenCipher) {
    if (!session.token) {
      return passwordPage(
        session,
        encoded,
        "This session link is invalid.",
        400,
      );
    }
    return establishSession(session, session.token);
  }

  try {
    const token = await decryptToken(session.tokenCipher, password);
    return establishSession(session, token);
  } catch {
    return passwordPage(
      session,
      encoded,
      "That password did not unlock this session.",
      401,
    );
  }
}

function establishSession(session: EncodedSession, token: string): Response {
  if (sessionExpired(session.expiresAt)) {