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import "missing-native-js-functions";
import fs from "fs";
import { Connection } from "mongoose";
import { Server, ServerOptions } from "lambert-server";
import { Authentication, CORS } from "./middlewares/";
import { Config, db } from "@fosscord/server-util";
import i18next from "i18next";
import i18nextMiddleware, { I18next } from "i18next-http-middleware";
import i18nextBackend from "i18next-node-fs-backend";
import { ErrorHandler } from "./middlewares/ErrorHandler";
import { BodyParser } from "./middlewares/BodyParser";
import express, { Router, Request, Response } from "express";
import fetch, { Response as FetchResponse } from "node-fetch";
import mongoose from "mongoose";
import path from "path";
import RateLimit from "./middlewares/RateLimit";
// this will return the new updated document for findOneAndUpdate
mongoose.set("returnOriginal", false); // https://mongoosejs.com/docs/api/model.html#model_Model.findOneAndUpdate
export interface FosscordServerOptions extends ServerOptions {}
declare global {
namespace Express {
interface Request {
// @ts-ignore
server: FosscordServer;
}
}
}
const assetCache = new Map<
string,
{
response: FetchResponse;
buffer: Buffer;
}
>();
export class FosscordServer extends Server {
public declare options: FosscordServerOptions;
constructor(opts?: Partial<FosscordServerOptions>) {
// @ts-ignore
super({ ...opts, errorHandler: false, jsonBody: false });
}
async setupSchema() {
return Promise.all([
db.collection("users").createIndex({ id: 1 }, { unique: true }),
db.collection("messages").createIndex({ id: 1 }, { unique: true }),
db.collection("channels").createIndex({ id: 1 }, { unique: true }),
db.collection("guilds").createIndex({ id: 1 }, { unique: true }),
db.collection("members").createIndex({ id: 1, guild_id: 1 }, { unique: true }),
db.collection("roles").createIndex({ id: 1 }, { unique: true }),
db.collection("emojis").createIndex({ id: 1 }, { unique: true }),
db.collection("invites").createIndex({ code: 1 }, { unique: true }),
db.collection("invites").createIndex({ expires_at: 1 }, { expireAfterSeconds: 0 }), // after 0 seconds of expires_at the invite will get delete
db.collection("ratelimits").createIndex({ expires_at: 1 }, { expireAfterSeconds: 0 })
]);
}
async start() {
// @ts-ignore
await (db as Promise<Connection>);
await this.setupSchema();
console.log("[Database] connected");
await Config.init();
this.app.use(CORS);
this.app.use(Authentication);
this.app.use(BodyParser({ inflate: true, limit: 1024 * 1024 * 2 }));
const languages = fs.readdirSync(path.join(__dirname, "..", "locales"));
const namespaces = fs.readdirSync(path.join(__dirname, "..", "locales", "en"));
const ns = namespaces.filter((x) => x.endsWith(".json")).map((x) => x.slice(0, x.length - 5));
await i18next
.use(i18nextBackend)
.use(i18nextMiddleware.LanguageDetector)
.init({
preload: languages,
// debug: true,
fallbackLng: "en",
ns,
backend: {
loadPath: __dirname + "/../locales/{{lng}}/{{ns}}.json"
},
load: "all"
});
this.app.use(i18nextMiddleware.handle(i18next, {}));
const app = this.app;
const prefix = Router();
// @ts-ignore
this.app = prefix;
prefix.use(RateLimit({ bucket: "global", count: 10, window: 5, bot: 250 }));
prefix.use(RateLimit({ bucket: "error", count: 5, error: true, window: 5, bot: 15, onylIp: true }));
prefix.use("/guilds/:id", RateLimit({ count: 5, window: 5 }));
prefix.use("/webhooks/:id", RateLimit({ count: 5, window: 5 }));
prefix.use("/channels/:id", RateLimit({ count: 5, window: 5 }));
this.routes = await this.registerRoutes(path.join(__dirname, "routes", "/"));
app.use("/api/v8", prefix);
app.use("/api/v9", prefix);
app.use("/api", prefix); // allow unversioned requests
prefix.get("*", (req: Request, res: Response) => {
res.status(404).json({
message: "404: Not Found",
code: 0
});
});
this.app = app;
this.app.use(ErrorHandler);
const indexHTML = fs.readFileSync(path.join(__dirname, "..", "client_test", "index.html"), { encoding: "utf8" });
this.app.use("/assets", express.static(path.join(__dirname, "..", "assets")));
this.app.get("/assets/:file", async (req: Request, res: Response) => {
delete req.headers.host;
var response: FetchResponse;
var buffer: Buffer;
const cache = assetCache.get(req.params.file);
if (!cache) {
response = await fetch(`https://discord.com/assets/${req.params.file}`, {
// @ts-ignore
headers: {
...req.headers
}
});
buffer = await response.buffer();
} else {
response = cache.response;
buffer = cache.buffer;
}
response.headers.forEach((value, name) => {
if (
[
"content-length",
"content-security-policy",
"strict-transport-security",
"set-cookie",
"transfer-encoding",
"expect-ct",
"access-control-allow-origin",
"content-encoding"
].includes(name.toLowerCase())
) {
return;
}
res.set(name, value);
});
assetCache.set(req.params.file, { buffer, response });
return res.send(buffer);
});
this.app.get("*", (req: Request, res: Response) => {
res.set("Cache-Control", "public, max-age=" + 60 * 60 * 24);
res.set("content-type", "text/html");
res.send(
indexHTML.replace(
/CDN_HOST: ".+"/,
`CDN_HOST: "${(Config.get().cdn.endpoint || "http://localhost:3003").replace(/https?:/, "")}"`
)
);
});
return super.start();
}
}
|
