server.js - master - NeGaTiVe333/lab4

server.js
69 строк2 KB
mmr97
lab2 updates
01 дек 2025, 14:26
01 дек 2025, 14:26d4567aa
const express = require('express');
const helmet = require('helmet');
const bodyParser = require('body-parser');
const rateLimit = require('express-rate-limit');
const swaggerUi = require('swagger-ui-express');
const YAML = require('yamljs');
const authRoutes = require('./src/routes/auth');
const tasksRoutesV1 = require('./src/routes/tasks.v1');
const tasksRoutesV2 = require('./src/routes/tasks.v2');
const usersRoutes = require('./src/routes/users');
const { verifyJwtOptional } = require('./src/middleware/auth');
const { idempotencyMiddleware } = require('./src/middleware/idempotency');
const { globalLimiter, copyRemainingHeader } = require('./src/middleware/rateLimit');


const swaggerDocument = YAML.load('./openapi.yaml');

const app = express();
app.use(helmet());
app.use(bodyParser.json());

// global rate limiter
const limiter = rateLimit({
  windowMs: 60 * 1000,
  max: 60,
  standardHeaders: true,
  legacyHeaders: false,
  handler: (req, res) => {
    res.set('Retry-After', Math.ceil((req.rateLimit.resetTime - Date.now())/1000));
    res.set('X-Limit-Remaining', 0);
    res.status(429).json({ error: 'Too many requests' });
  }
});
app.use((req, res, next) => {
  const send = res.send;
  res.send = function(body) {
    if (res.get('RateLimit-Remaining') !== undefined) {
      res.set('X-Limit-Remaining', res.get('RateLimit-Remaining'));
    }
    return send.call(this, body);
  };
  next();
});
app.use(limiter);

// docs
app.use('/docs', swaggerUi.serve, swaggerUi.setup(swaggerDocument));

// routes
app.use('/api/v1/auth', authRoutes);
app.use('/api/v2/auth', authRoutes);

app.use('/api/v1/tasks', tasksRoutesV1);
app.use('/api/v2/tasks', tasksRoutesV2);

app.use('/api/v1/users', usersRoutes);
app.use('/api/v2/users', usersRoutes);

app.use(globalLimiter);
app.use(copyRemainingHeader);

app.use('/internal', require('./src/routes/internal'));


// health
app.get('/health', (req, res) => res.json({ status: 'ok', time: new Date().toISOString() }));

const PORT = process.env.PORT || 3000;
app.listen(PORT, () => console.log(`Server listening at http://localhost:${PORT}`));