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const config = require('../../../config');
const log = require('../utils/Log');
const express = require('express');
const helmet = require('helmet');
const cors = require('cors');
const RateLimit = require('express-rate-limit');
const bodyParser = require('body-parser');
const jetpack = require('fs-jetpack');
const path = require('path');
const Database = require('./Database');
const oneliner = require('one-liner');
const rateLimiter = new RateLimit({
windowMs: config.server.rateLimits.window,
max: config.server.rateLimits.max,
delayMs: 0
});
class Server {
constructor() {
this.port = config.server.ports.backend;
this.server = express();
this.server.set('trust proxy', 1);
this.server.use(helmet());
this.server.use(cors({ allowedHeaders: ['Accept', 'Authorization', 'Cache-Control', 'X-Requested-With', 'Content-Type', 'albumId'] }));
this.server.use((req, res, next) => {
if (req.headers.accept === 'application/vnd.lolisafe.json') return next();
return res.status(405).json({ message: 'Incorrect `Accept` header provided' });
});
this.server.use(bodyParser.urlencoded({ extended: true }));
this.server.use(bodyParser.json());
// this.server.use(rateLimiter);
this.routesFolder = path.join(__dirname, '..', 'routes');
this.database = new Database();
this.server.get('/config', (req, res) => res.json({
baseURL: config.backendLocation,
serviceName: config.serviceName,
maxFileSize: config.uploads.uploadMaxSize,
chunkSize: config.uploads.chunkSize
}));
}
registerAllTheRoutes() {
jetpack.find(this.routesFolder, { matching: '*.js' }).forEach(routeFile => {
const RouteClass = require(path.join('..', '..', '..', routeFile));
let routes = [RouteClass];
if (Array.isArray(RouteClass)) routes = RouteClass;
for (const File of routes) {
const route = new File();
this.server[route.method](config.server.routePrefix + route.path, route.authorize.bind(route));
log.info(`Found route ${route.method.toUpperCase()} ${config.server.routePrefix}${route.path}`);
}
});
}
writeFrontendConfig() {
const template = oneliner`
module.exports = {
baseURL: '${config.backendLocation}',
serviceName: '${config.serviceName}',
maxFileSize: '${config.uploads.uploadMaxSize}',
chunkSize: '${config.uploads.chunkSize}'
}`;
jetpack.write(path.join(__dirname, '..', '..', 'frontend', 'config.js'), template);
log.success('Frontend config file generated successfully');
}
start() {
jetpack.dir('uploads/chunks');
jetpack.dir('uploads/thumbs/square');
this.registerAllTheRoutes();
this.server.listen(this.port, () => {
log.success(`Backend ready and listening on port ${this.port}`);
});
}
}
module.exports = Server;
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