spacebar/src/api/routes/auth/register.ts

308 lines
8.2 KiB
TypeScript

/*
Fosscord: A FOSS re-implementation and extension of the Discord.com backend.
Copyright (C) 2023 Fosscord and Fosscord 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 { Request, Response, Router } from "express";
import {
Config,
generateToken,
Invite,
FieldErrors,
User,
adjustEmail,
RegisterSchema,
ValidRegistrationToken,
} from "@fosscord/util";
import {
route,
getIpAdress,
IPAnalysis,
isProxy,
verifyCaptcha,
} from "@fosscord/api";
import bcrypt from "bcrypt";
import { HTTPError } from "lambert-server";
import { MoreThan } from "typeorm";
const router: Router = Router();
router.post(
"/",
route({ body: "RegisterSchema" }),
async (req: Request, res: Response) => {
const body = req.body as RegisterSchema;
const { register, security, limits } = Config.get();
const ip = getIpAdress(req);
// Reg tokens
// They're a one time use token that bypasses registration limits ( rates, disabled reg, etc )
let regTokenUsed = false;
if (req.get("Referrer") && req.get("Referrer")?.includes("token=")) {
// eg theyre on https://staging.fosscord.com/register?token=whatever
const token = req.get("Referrer")?.split("token=")[1].split("&")[0];
if (token) {
const regToken = await ValidRegistrationToken.findOneOrFail({
where: { token, expires_at: MoreThan(new Date()) },
});
await regToken.remove();
regTokenUsed = true;
console.log(
`[REGISTER] Registration token ${token} used for registration!`,
);
} else {
console.log(
`[REGISTER] Invalid registration token ${token} used for registration by ${ip}!`,
);
}
}
// email will be slightly modified version of the user supplied email -> e.g. protection against GMail Trick
const email = adjustEmail(body.email);
// check if registration is allowed
if (!regTokenUsed && !register.allowNewRegistration) {
throw FieldErrors({
email: {
code: "REGISTRATION_DISABLED",
message: req.t("auth:register.REGISTRATION_DISABLED"),
},
});
}
// check if the user agreed to the Terms of Service
if (!body.consent) {
throw FieldErrors({
consent: {
code: "CONSENT_REQUIRED",
message: req.t("auth:register.CONSENT_REQUIRED"),
},
});
}
if (!regTokenUsed && register.disabled) {
throw FieldErrors({
email: {
code: "DISABLED",
message: "registration is disabled on this instance",
},
});
}
if (
!regTokenUsed &&
register.requireCaptcha &&
security.captcha.enabled
) {
const { sitekey, service } = security.captcha;
if (!body.captcha_key) {
return res?.status(400).json({
captcha_key: ["captcha-required"],
captcha_sitekey: sitekey,
captcha_service: service,
});
}
const verify = await verifyCaptcha(body.captcha_key, ip);
if (!verify.success) {
return res.status(400).json({
captcha_key: verify["error-codes"],
captcha_sitekey: sitekey,
captcha_service: service,
});
}
}
if (!regTokenUsed && !register.allowMultipleAccounts) {
// TODO: check if fingerprint was eligible generated
const exists = await User.findOne({
where: { fingerprints: body.fingerprint },
select: ["id"],
});
if (exists) {
throw FieldErrors({
email: {
code: "EMAIL_ALREADY_REGISTERED",
message: req.t(
"auth:register.EMAIL_ALREADY_REGISTERED",
),
},
});
}
}
if (!regTokenUsed && register.blockProxies) {
if (isProxy(await IPAnalysis(ip))) {
console.log(`proxy ${ip} blocked from registration`);
throw new HTTPError("Your IP is blocked from registration");
}
}
// TODO: gift_code_sku_id?
// TODO: check password strength
if (email) {
// replace all dots and chars after +, if its a gmail.com email
if (!email) {
throw FieldErrors({
email: {
code: "INVALID_EMAIL",
message: req?.t("auth:register.INVALID_EMAIL"),
},
});
}
// check if there is already an account with this email
const exists = await User.findOne({ where: { email: email } });
if (exists) {
throw FieldErrors({
email: {
code: "EMAIL_ALREADY_REGISTERED",
message: req.t(
"auth:register.EMAIL_ALREADY_REGISTERED",
),
},
});
}
} else if (register.email.required) {
throw FieldErrors({
email: {
code: "BASE_TYPE_REQUIRED",
message: req.t("common:field.BASE_TYPE_REQUIRED"),
},
});
}
if (register.dateOfBirth.required && !body.date_of_birth) {
throw FieldErrors({
date_of_birth: {
code: "BASE_TYPE_REQUIRED",
message: req.t("common:field.BASE_TYPE_REQUIRED"),
},
});
} else if (
register.dateOfBirth.required &&
register.dateOfBirth.minimum
) {
const minimum = new Date();
minimum.setFullYear(
minimum.getFullYear() - register.dateOfBirth.minimum,
);
body.date_of_birth = new Date(body.date_of_birth as Date);
// higher is younger
if (body.date_of_birth > minimum) {
throw FieldErrors({
date_of_birth: {
code: "DATE_OF_BIRTH_UNDERAGE",
message: req.t("auth:register.DATE_OF_BIRTH_UNDERAGE", {
years: register.dateOfBirth.minimum,
}),
},
});
}
}
if (body.password) {
// the salt is saved in the password refer to bcrypt docs
body.password = await bcrypt.hash(body.password, 12);
} else if (register.password.required) {
throw FieldErrors({
password: {
code: "BASE_TYPE_REQUIRED",
message: req.t("common:field.BASE_TYPE_REQUIRED"),
},
});
}
if (
!regTokenUsed &&
!body.invite &&
(register.requireInvite ||
(register.guestsRequireInvite && !register.email))
) {
// require invite to register -> e.g. for organizations to send invites to their employees
throw FieldErrors({
email: {
code: "INVITE_ONLY",
message: req.t("auth:register.INVITE_ONLY"),
},
});
}
if (
!regTokenUsed &&
limits.absoluteRate.register.enabled &&
(await User.count({
where: {
created_at: MoreThan(
new Date(
Date.now() - limits.absoluteRate.register.window,
),
),
},
})) >= limits.absoluteRate.register.limit
) {
console.log(
`Global register ratelimit exceeded for ${getIpAdress(req)}, ${
req.body.username
}, ${req.body.invite || "No invite given"}`,
);
throw FieldErrors({
email: {
code: "TOO_MANY_REGISTRATIONS",
message: req.t("auth:register.TOO_MANY_REGISTRATIONS"),
},
});
}
const user = await User.register({ ...body, req });
if (body.invite) {
// await to fail if the invite doesn't exist (necessary for requireInvite to work properly) (username only signups are possible)
await Invite.joinGuild(user.id, body.invite);
}
// return an error for unverified accounts if verification is required
if (Config.get().login.requireVerification && !user.verified) {
throw FieldErrors({
login: {
code: "ACCOUNT_LOGIN_VERIFICATION_EMAIL",
message:
"Email verification is required, please check your email.",
},
});
}
return res.json({ token: await generateToken(user.id) });
},
);
export default router;
/**
* POST /auth/register
* @argument { "fingerprint":"805826570869932034.wR8vi8lGlFBJerErO9LG5NViJFw", "email":"qo8etzvaf@gmail.com", "username":"qp39gr98", "password":"wtp9gep9gw", "invite":null, "consent":true, "date_of_birth":"2000-04-04", "gift_code_sku_id":null, "captcha_key":null}
*
* Field Error
* @returns { "code": 50035, "errors": { "consent": { "_errors": [{ "code": "CONSENT_REQUIRED", "message": "You must agree to Discord's Terms of Service and Privacy Policy." }]}}, "message": "Invalid Form Body"}
*
* Success 200:
* @returns {token: "OMITTED"}
*/