otp-io/dist/uri.js

🕖 Typed library to work 2fa via Google Authenticator/Time-based TOTP/Hmac-based HOTP

'use strict';const hotp_options=require('./hotp.options.js'),totp_options=require('./totp.options.js'),key_actions=require('./key.actions.js');/**
 *
 *
 * @export
 * @param {UriOptions} options
 * @return {string}  {string}
 */
function getKeyUri(options) {
    const title = options.issuer
        ? `${encodeURIComponent(options.issuer)}:${encodeURIComponent(options.name)}`
        : encodeURIComponent(options.name);
    const url = new URL(`otpauth://${options.type}/${title}`);
    url.searchParams.set("secret", key_actions.exportKey(options.secret));
    if (options.issuer) {
        url.searchParams.set("issuer", options.issuer);
    }
    let algorithm;
    let digits;
    switch (options.type) {
        case "hotp": {
            const merged = Object.assign(Object.assign({}, hotp_options.getDefaultHOTPOptions()), options);
            algorithm = merged.algorithm;
            digits = merged.digits;
            url.searchParams.set("counter", merged.counter.toString());
            break;
        }
        case "totp": {
            const merged = Object.assign(Object.assign({}, totp_options.getDefaultTOTPOptions()), options);
            algorithm = merged.algorithm;
            digits = merged.digits;
            url.searchParams.set("period", merged.stepSeconds.toString());
            break;
        }
        default: {
            throw new Error(`Invalid method type: "${options.type}"`);
        }
    }
    url.searchParams.set("algorithm", algorithm.toUpperCase());
    url.searchParams.set("digits", digits.toString());
    return url.toString();
}exports.getKeyUri=getKeyUri;