pixies

1export const passwordHeaderNames = ["x-password", "password"];
2
3const decode = (value) => {
4    try {
5        return decodeURIComponent(value);
6    } catch {
7        return null;
8    }
9};
10
11const asUtf8 = (value) => {
12    const decoded = Buffer.from(value, "latin1").toString("utf8");
13    return decoded.includes("�") ? null : decoded;
14};
15
16export const readPasswords = (req) => {
17    const [encoded, plain] = passwordHeaderNames.map(name => req.headers[name]);
18
19    return [encoded && decode(encoded), plain, plain && asUtf8(plain)]
20        .filter((candidate, index, all) => candidate && all.indexOf(candidate) === index);
21};
22
23export const writePasswordHeaders = (password) => {
24    if (!password || password === "none") return {};
25
26    const headers = {"x-password": encodeURIComponent(password)};
27    if (/^[\x00-\xFF]*$/.test(password)) headers.password = password;
28
29    return headers;
30};
31