cal.pub0.org/pages/api/auth/two-factor/totp/setup.ts

68 lines
2.2 KiB
TypeScript

import { NextApiRequest, NextApiResponse } from "next";
import { authenticator } from "otplib";
import qrcode from "qrcode";
import { ErrorCode, getSession, verifyPassword } from "@lib/auth";
import { symmetricEncrypt } from "@lib/crypto";
import prisma from "@lib/prisma";
export default async function handler(req: NextApiRequest, res: NextApiResponse) {
if (req.method !== "POST") {
return res.status(405).json({ message: "Method not allowed" });
}
const session = await getSession({ req });
if (!session) {
return res.status(401).json({ message: "Not authenticated" });
}
if (!session.user?.id) {
console.error("Session is missing a user id.");
return res.status(500).json({ error: ErrorCode.InternalServerError });
}
const user = await prisma.user.findUnique({ where: { id: session.user.id } });
if (!user) {
console.error(`Session references user that no longer exists.`);
return res.status(401).json({ message: "Not authenticated" });
}
if (!user.password) {
return res.status(400).json({ error: ErrorCode.UserMissingPassword });
}
if (user.twoFactorEnabled) {
return res.status(400).json({ error: ErrorCode.TwoFactorAlreadyEnabled });
}
if (!process.env.CALENDSO_ENCRYPTION_KEY) {
console.error("Missing encryption key; cannot proceed with two factor setup.");
return res.status(500).json({ error: ErrorCode.InternalServerError });
}
const isCorrectPassword = await verifyPassword(req.body.password, user.password);
if (!isCorrectPassword) {
return res.status(400).json({ error: ErrorCode.IncorrectPassword });
}
// This generates a secret 32 characters in length. Do not modify the number of
// bytes without updating the sanity checks in the enable and login endpoints.
const secret = authenticator.generateSecret(20);
await prisma.user.update({
where: {
id: session.user.id,
},
data: {
twoFactorEnabled: false,
twoFactorSecret: symmetricEncrypt(secret, process.env.CALENDSO_ENCRYPTION_KEY),
},
});
const name = user.email || user.username || user.id.toString();
const keyUri = authenticator.keyuri(name, "Cal", secret);
const dataUri = await qrcode.toDataURL(keyUri);
return res.json({ secret, keyUri, dataUri });
}