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