TOTPFit/setting/utils/queryParser.js

41 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
}
catch(err){
throw new Error("Link is not valid")
}
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))
}
function getHashType(algorithm){
if(algorithm == "SHA1")
return "SHA-1"
if(algorithm == "SHA256")
return "SHA-256"
if(algorithm == "SHA512")
return "SHA-512"
else
return null
}