OpenAuth_server/src/api/user/twofactor/backup/index.ts

101 lines
3.0 KiB
TypeScript

import { Router } from "express";
import Stacker from "../../../middlewares/stacker";
import { GetUserMiddleware } from "../../../middlewares/user";
import TwoFactor, {
TFATypes as TwoFATypes,
IBackupCode,
} from "../../../../models/twofactor";
import RequestError, { HttpStatusCode } from "../../../../helper/request_error";
import moment = require("moment");
import { upgradeToken } from "../helper";
import * as crypto from "crypto";
import Logging from "@hibas123/nodelogging";
const BackupCodeRoute = Router();
// TODO: Further checks if this is good enough randomness
function generateCode(length: number) {
let bytes = crypto.randomBytes(length);
let nrs = "";
bytes.forEach((b, idx) => {
let nr = Math.floor((b / 255) * 9.9999);
if (nr > 9) nr = 9;
nrs += String(nr);
});
return nrs;
}
BackupCodeRoute.post(
"/",
Stacker(GetUserMiddleware(true, true), async (req, res) => {
//Generating new
let codes = Array(10).map(() => generateCode(8));
console.log(codes);
let twofactor = TwoFactor.new(<IBackupCode>{
user: req.user._id,
type: TwoFATypes.OTC,
valid: true,
data: codes,
name: "",
});
await TwoFactor.save(twofactor);
res.json({
codes,
id: twofactor._id,
});
})
);
BackupCodeRoute.put(
"/",
Stacker(
GetUserMiddleware(true, false, undefined, false),
async (req, res) => {
let { login, special } = req.token;
let { id, code }: { id: string; code: string } = req.body;
let twofactor: IBackupCode = await TwoFactor.findById(id);
if (
!twofactor ||
!twofactor.valid ||
!twofactor.user.equals(req.user._id) ||
twofactor.type !== TwoFATypes.OTC
) {
throw new RequestError(
"Invalid Method!",
HttpStatusCode.BAD_REQUEST
);
}
if (twofactor.expires && moment().isAfter(twofactor.expires)) {
twofactor.valid = false;
await TwoFactor.save(twofactor);
throw new RequestError(
"Invalid Method!",
HttpStatusCode.BAD_REQUEST
);
}
code = code.replace(/\s/g, "");
let valid = twofactor.data.find((c) => c === code);
if (valid) {
twofactor.data = twofactor.data.filter((c) => c !== code);
await TwoFactor.save(twofactor);
let [login_exp, special_exp] = await Promise.all([
upgradeToken(login),
upgradeToken(special),
]);
res.json({ success: true, login_exp, special_exp });
} else {
throw new RequestError(
"Invalid or already used code!",
HttpStatusCode.BAD_REQUEST
);
}
}
)
);
export default BackupCodeRoute;