mirror of https://git.tuxpa.in/a/code-server.git
80 lines
2.0 KiB
TypeScript
80 lines
2.0 KiB
TypeScript
import { ReadWriteConnection } from "@coder/protocol";
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import { Server, ServerOptions } from "@coder/protocol/src/node/server";
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import * as express from "express";
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import * as http from "http";
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import * as ws from "ws";
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import * as url from "url";
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import { ClientMessage, SharedProcessInitMessage } from '@coder/protocol/src/proto';
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export const createApp = (registerMiddleware?: (app: express.Application) => void, options?: ServerOptions): {
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readonly express: express.Application;
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readonly server: http.Server;
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readonly wss: ws.Server;
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} => {
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const app = express();
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if (registerMiddleware) {
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registerMiddleware(app);
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}
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const server = http.createServer(app);
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const wss = new ws.Server({ server });
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wss.shouldHandle = (req): boolean => {
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if (typeof req.url === "undefined") {
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return false;
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}
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const parsedUrl = url.parse(req.url, true);
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const sharedProcessInit = parsedUrl.query["shared_process_init"];
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if (typeof sharedProcessInit === "undefined" || Array.isArray(sharedProcessInit)) {
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return false;
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}
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try {
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const msg = ClientMessage.deserializeBinary(Buffer.from(sharedProcessInit, "base64"));
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if (!msg.hasSharedProcessInit()) {
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return false;
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}
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const spm = msg.getSharedProcessInit()!;
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(<any>req).sharedProcessInit = spm;
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} catch (ex) {
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return false;
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}
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return true;
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};
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wss.on("connection", (ws: WebSocket, req) => {
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const spm = (<any>req).sharedProcessInit as SharedProcessInitMessage;
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if (!spm) {
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ws.close();
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return;
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}
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const connection: ReadWriteConnection = {
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onMessage: (cb): void => {
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ws.addEventListener("message", (event) => cb(event.data));
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},
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close: (): void => ws.close(),
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send: (data): void => ws.send(data),
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onClose: (cb): void => ws.addEventListener("close", () => cb()),
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};
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const server = new Server(connection, options);
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});
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/**
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* We should static-serve the `web` package at this point.
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*/
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app.get("/", (req, res, next) => {
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res.write("Example! :)");
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res.status(200);
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res.end();
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});
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return {
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express: app,
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server,
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wss,
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};
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};
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