forked from huggingface/Mongoku
/
server.ts
170 lines (150 loc) · 4.92 KB
/
server.ts
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import * as path from 'path';
import * as fs from 'fs';
import http from 'http';
import express from 'express';
import session from 'express-session';
import cookieParser from 'cookie-parser';
import MemoryStore from 'memorystore';
import {json as jsonBodyParser} from 'body-parser';
import factory from './lib/Factory';
import { api } from './routes/api';
declare module 'express-session' {
interface SessionData {
signedUser: string;
}
}
const app = express();
const DISABLE_AUTH = process.env.MONGOKU_DISABLE_AUTH == 'true';
const setupServer = () => {
const SERVER_PORT = process.env.MONGOKU_SERVER_PORT || 3100;
const AUTH_ENDPOINT = process.env.MONGOKU_AUTH_ENDPOINT || 'http://localhost/auth';
const EXT_SESSION_COOKIE = process.env.MONGOKU_EXT_SESSION_COOKIE;
const EXT_SESSION_ENDPOINT = process.env.MONGOKU_EXT_SESSION_ENDPOINT;
app.use(cookieParser());
app.use(session({
name: 'mongoku.sid',
cookie: { maxAge: 2*60*60*1000 },
store: new (MemoryStore(session as any))({
checkPeriod: 2*60*60*1000 // prune expired entries every 2h
}),
resave: false,
secret: process.env.MONGOKU_SESSION_SECRET || 'keyboard cat',
saveUninitialized: false
}));
app.get('/', (req, res, next) => {
res.sendFile("app/index.html", { root: __dirname }, (err) => {
if (err) {
return next(err);
}
});
});
app.post('/signin', jsonBodyParser(), (req, res) => {
const { username, password } = req.body;
if (!username || !password) {
return void res.status(400).send('username and password expected');
}
const data = JSON.stringify({ login: username, passwd: password });
const headers = {
accept: 'application/json',
'accept-language': 'en-US,en;q=0.9,ru;q=0.8',
'content-type': 'application/json',
'content-length': data.length,
};
const httpReq = http.request(AUTH_ENDPOINT, { headers, method: 'POST' }, (httpRes) => {
if (httpRes.statusCode === 200) {
res.set('set-cookie', httpRes.headers['set-cookie']);
req.session.signedUser = username;
res.json({ ok: true, message: 'signed in as ' + username });
} else {
let message = '';
httpRes.on('data', (chunk) => message += chunk);
httpRes.on('end', () => res.status(httpRes.statusCode || 401)
.json({ ok: false, message }));
}
});
httpReq.on('error', (error) => res.status(500).send(error));
httpReq.write(data);
httpReq.end();
});
app.post('/signout', (req, res) => {
res.set('Vary', 'Origin');
res.set('Access-Control-Allow-Origin', req.headers.origin);
res.set('Access-Control-Allow-Credentials', 'true');
const { signedUser } = req.session;
if (signedUser)
req.session.signedUser = undefined;
res.json({
ok: true,
message: signedUser ? 'successfully signed out' : 'was not signed in',
});
});
if (EXT_SESSION_COOKIE && EXT_SESSION_ENDPOINT) {
app.use('/api', (req, res, next) => {
if (req.session.signedUser || DISABLE_AUTH)
return void next();
const externalSession = req.cookies[EXT_SESSION_COOKIE];
if (!externalSession)
return void next();
const withCookie = {
accept: 'application/json',
'accept-language': 'en-GB,en-US;q=0.9,en;q=0.8',
cookie: `${EXT_SESSION_COOKIE}=${externalSession}`,
};
const httpReq = http.request(EXT_SESSION_ENDPOINT, {headers: withCookie}, (httpRes) => {
if (httpRes.statusCode != 200)
return void next();
let bodyString = '';
httpRes.on('data', (chunk) => bodyString += chunk);
httpRes.on('end', () => {
try {
const body = JSON.parse(bodyString);
if (body.login)
req.session.signedUser = body.login;
} catch(e){}
next();
});
});
httpReq.on('error', error => { next() });
httpReq.end();
});
}
app.use('/api', (req, res, next) => {
if (req.session.signedUser || DISABLE_AUTH)
return next();
res.status(401).send('401 Unauthorized');
}, api);
app.get('/*', (req, res, next) => {
fs.stat(path.join(__dirname, "app", req.url), (err, stats) => {
let file = "index.html";
if (stats && stats.isFile()) {
file = req.url;
}
res.sendFile(file, { root: path.join(__dirname, "app") }, (err) => {
if (err) {
return next(err);
}
});
});
});
app.use((err: Error, req: express.Request, res: express.Response, next) => {
res.status(500);
return res.json({
ok: false,
message: err.message
});
})
app.listen(SERVER_PORT, () => console.log(`[Mongoku] listening on port ` + SERVER_PORT));
}
export const start = async () => {
console.log(`[Mongoku] Starting...`);
try {
await factory.load();
setupServer();
} catch (err) {
console.error(err);
process.exit(1);
}
};
if (require.main === module) {
start();
}