TOTPFit/setting/utils/queryParser.js

46 lines
1.3 KiB
JavaScript

import { TOTP } from "../../lib/totp-quickjs";
const otpScheme = "otpauth:/";
export function getTOTPByLink(link) {
try {
let args = link.split("/", otpScheme.length);
let type = args[2]; //Returns 'hotp' or 'totp'
let issuer = args[3].split(":")[0]?.split("?")[0]; //Returns issuer
let client =
args[3].split(":")[1]?.split("?")[0] ??
args[3].split(":")[0]?.split("?")[0]; //Returns client
let secret = args[3].split("secret=")[1]?.split("&")[0]; //Returns secret
let period = args[3].split("period=")[1]?.split("&")[0]; //Returns period
let digits = args[3].split("digits=")[1]?.split("&")[0]; //Returns digits
let algorithm = args[3].split("algorithm=")[1]?.split("&")[0]; //Returns algorithm
if (type.toLowerCase() != "totp")
throw new Error("Type is not valid, requires 'TOTP'");
if (secret === undefined) throw new Error("Secret not defined");
issuer = issuer.replace("%20", " ");
client = client.replace("%20", " ");
return new TOTP(
secret,
issuer,
client,
digits,
period,
0,
getHashType(algorithm)
);
} catch (err) {
return null;
}
}
function getHashType(algorithm) {
if (algorithm == "SHA1") return "SHA-1";
if (algorithm == "SHA256") return "SHA-256";
if (algorithm == "SHA512") return "SHA-512";
else return "SHA-1";
}