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/*
Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
Copyright (C) 2023 Spacebar and Spacebar Contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { getIpAdress, route, verifyCaptcha } from "@spacebar/api";
import {
adjustEmail,
Config,
FieldErrors,
generateToken,
generateWebAuthnTicket,
LoginSchema,
User,
WebAuthn,
} from "@spacebar/util";
import bcrypt from "bcrypt";
import crypto from "crypto";
import { Request, Response, Router } from "express";
const router: Router = Router();
export default router;
router.post(
"/",
route({ body: "LoginSchema" }),
async (req: Request, res: Response) => {
const { login, password, captcha_key, undelete } =
req.body as LoginSchema;
const email = adjustEmail(login);
const config = Config.get();
if (config.login.requireCaptcha && config.security.captcha.enabled) {
const { sitekey, service } = config.security.captcha;
if (!captcha_key) {
return res.status(400).json({
captcha_key: ["captcha-required"],
captcha_sitekey: sitekey,
captcha_service: service,
});
}
const ip = getIpAdress(req);
const verify = await verifyCaptcha(captcha_key, ip);
if (!verify.success) {
return res.status(400).json({
captcha_key: verify["error-codes"],
captcha_sitekey: sitekey,
captcha_service: service,
});
}
}
const user = await User.findOneOrFail({
where: [{ phone: login }, { email: email }],
select: [
"data",
"id",
"disabled",
"deleted",
"totp_secret",
"mfa_enabled",
"webauthn_enabled",
"security_keys",
"verified",
],
relations: ["security_keys", "settings"],
}).catch(() => {
throw FieldErrors({
login: {
message: req.t("auth:login.INVALID_LOGIN"),
code: "INVALID_LOGIN",
},
});
});
// the salt is saved in the password refer to bcrypt docs
const same_password = await bcrypt.compare(
password,
user.data.hash || "",
);
if (!same_password) {
throw FieldErrors({
password: {
message: req.t("auth:login.INVALID_PASSWORD"),
code: "INVALID_PASSWORD",
},
});
}
// return an error for unverified accounts if verification is required
if (config.login.requireVerification && !user.verified) {
throw FieldErrors({
login: {
code: "ACCOUNT_LOGIN_VERIFICATION_EMAIL",
message:
"Email verification is required, please check your email.",
},
});
}
if (user.mfa_enabled && !user.webauthn_enabled) {
// TODO: This is not a discord.com ticket. I'm not sure what it is but I'm lazy
const ticket = crypto.randomBytes(40).toString("hex");
await User.update({ id: user.id }, { totp_last_ticket: ticket });
return res.json({
ticket: ticket,
mfa: true,
sms: false, // TODO
token: null,
});
}
if (user.mfa_enabled && user.webauthn_enabled) {
if (!WebAuthn.fido2) {
// TODO: I did this for typescript and I can't use !
throw new Error("WebAuthn not enabled");
}
const options = await WebAuthn.fido2.assertionOptions();
const challenge = JSON.stringify({
publicKey: {
...options,
challenge: Buffer.from(options.challenge).toString(
"base64",
),
allowCredentials: user.security_keys.map((x) => ({
id: x.key_id,
type: "public-key",
})),
transports: ["usb", "ble", "nfc"],
timeout: 60000,
},
});
const ticket = await generateWebAuthnTicket(challenge);
await User.update({ id: user.id }, { totp_last_ticket: ticket });
return res.json({
ticket: ticket,
mfa: true,
sms: false, // TODO
token: null,
webauthn: challenge,
});
}
if (undelete) {
// undelete refers to un'disable' here
if (user.disabled)
await User.update({ id: user.id }, { disabled: false });
if (user.deleted)
await User.update({ id: user.id }, { deleted: false });
} else {
if (user.deleted)
return res.status(400).json({
message: "This account is scheduled for deletion.",
code: 20011,
});
if (user.disabled)
return res.status(400).json({
message: req.t("auth:login.ACCOUNT_DISABLED"),
code: 20013,
});
}
const token = await generateToken(user.id);
// Notice this will have a different token structure, than discord
// Discord header is just the user id as string, which is not possible with npm-jsonwebtoken package
// https://user-images.githubusercontent.com/6506416/81051916-dd8c9900-8ec2-11ea-8794-daf12d6f31f0.png
res.json({ token, settings: { ...user.settings, index: undefined } });
},
);
/**
* POST /auth/login
* @argument { login: "email@gmail.com", password: "cleartextpassword", undelete: false, captcha_key: null, login_source: null, gift_code_sku_id: null, }
* MFA required:
* @returns {"token": null, "mfa": true, "sms": true, "ticket": "SOME TICKET JWT TOKEN"}
* WebAuthn MFA required:
* @returns {"token": null, "mfa": true, "webauthn": true, "sms": true, "ticket": "SOME TICKET JWT TOKEN"}
* Captcha required:
* @returns {"captcha_key": ["captcha-required"], "captcha_sitekey": null, "captcha_service": "recaptcha"}
* Sucess:
* @returns {"token": "USERTOKEN", "settings": {"locale": "en", "theme": "dark"}}
*/
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