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// Copyright 2022 NotDankEnough (ilotterytea)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { Router, CookieOptions } from "express";
import { PrismaClient, User } from "@prisma/client";
import { randomBytes } from "crypto";
import axios from "axios";
import { Logger } from "tslog";
const log: Logger = new Logger({name: "authlog"});
function AuthRouter(dirPath: string, cfg: {[key: string]: any}, prisma: PrismaClient): Router {
const router: Router = Router();
router.get("/twitch", async (req, res) => {
if (!("code" in req.query)) {
return res.json({
status: 400,
reason: "\"code\" query not found."
}).status(400);
}
try {
const req_token = await axios.post("https://id.twitch.tv/oauth2/token", `client_id=${cfg.Auth.ClientID}&client_secret=${cfg.Auth.ClientSecret}&code=${req.query.code}&grant_type=authorization_code&redirect_uri=${cfg.Auth.RedirectURI}`, {headers: {"Content-Type": "application/x-www-form-urlencoded"}});
const ttv_user = await axios.get("https://api.twitch.tv/helix/users", {
responseType: "json",
headers: {
"Authorization": `Bearer ${req_token.data.access_token}`,
"Client-Id": cfg.Auth.ClientID
}
});
const user_data = ttv_user.data.data[0];
const user: User | null = await prisma.user.findFirst({
where: {
alias_id: parseInt(user_data.id)
}
});
const key: string = randomBytes(16).toString("hex");
const cookie_opts: CookieOptions = {
httpOnly: false,
secure: true,
sameSite: "lax"
};
if (!user) {
await prisma.user.create({
data: {
alias_id: parseInt(user_data.id),
name: user_data.login,
desc: user_data.description,
pic: user_data.profile_image_url,
key: key
}
});
res.cookie("key", key, cookie_opts);
res.cookie("id", user_data.id, cookie_opts);
} else {
await prisma.user.update({
where: {id: user.id},
data: {
name: user_data.login,
desc: user_data.description,
pic: user_data.profile_image_url,
key: key
}
});
res.cookie("key", key, cookie_opts);
res.cookie("id", user_data.id, cookie_opts);
}
res.redirect("/me");
} catch (err: any) {
res.json({
status: (err.response.data.status) ? err.response.data.status : 400,
message: (err.response.data.message) ? err.response.data.message : "Bad request."
}).status((err.response.data.status) ? err.response.data.status : 400);
}
});
return router;
}
export default AuthRouter;
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