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import { NextFunction, Request, Response } from "express";
import { HTTPError } from "lambert-server";
import { checkToken, Config, Rights } from "@fosscord/util";
import * as Sentry from "@sentry/node";
export const NO_AUTHORIZATION_ROUTES = [
// Authentication routes
"/auth/login",
"/auth/register",
"/auth/location-metadata",
"/auth/mfa/totp",
// Routes with a seperate auth system
"/webhooks/",
// Public information endpoints
"/ping",
"/gateway",
"/experiments",
"/updates",
"/download",
"/scheduled-maintenances/upcoming.json",
// Public kubernetes integration
"/-/readyz",
"/-/healthz",
// Client analytics
"/science",
"/track",
// Public policy pages
"/policies/instance",
// Oauth callback
"/oauth2/callback",
// Asset delivery
/\/guilds\/\d+\/widget\.(json|png)/,
];
export const API_PREFIX = /^\/api(\/v\d+)?/;
export const API_PREFIX_TRAILING_SLASH = /^\/api(\/v\d+)?\//;
declare global {
namespace Express {
interface Request {
user_id: string;
user_bot: boolean;
token: string;
rights: Rights;
}
}
}
export async function Authentication(
req: Request,
res: Response,
next: NextFunction,
) {
if (req.method === "OPTIONS") return res.sendStatus(204);
const url = req.url.replace(API_PREFIX, "");
if (url.startsWith("/invites") && req.method === "GET") return next();
if (
NO_AUTHORIZATION_ROUTES.some((x) => {
if (typeof x === "string") return url.startsWith(x);
return x.test(url);
})
)
return next();
if (!req.headers.authorization)
return next(new HTTPError("Missing Authorization Header", 401));
Sentry.setUser({ id: req.user_id });
try {
const { jwtSecret } = Config.get().security;
const { decoded, user }: any = await checkToken(
req.headers.authorization,
jwtSecret,
);
req.token = decoded;
req.user_id = decoded.id;
req.user_bot = user.bot;
req.rights = new Rights(Number(user.rights));
return next();
} catch (error: any) {
return next(new HTTPError(error?.toString(), 400));
}
}
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