k5sdYDYd

1var express = require('express');
2var app = express();
3const api= require('./api');
4
5var apiKey = 'myapikey';
6var apiSecret = 'myapisecret';
7
8app.use(function (req, res, next) {
9  // check for API key in header
10  if (!req.headers.hasOwnProperty('x-api-key')) {
11    return res.status(401).json({
12      error: 'No API key provided'
13    });
14  }
15
16  // verify API key
17  if (req.headers['x-api-key'] !== apiKey) {
18    return res.status(401).json({
19      error: 'Invalid API key'
20    });
21  }
22
23  // check for API secret in header
24  if (!req.headers.hasOwnProperty('x-api-secret')) {
25    return res.status(401).json({
26      error: 'No API secret provided'
27    });
28  }
29
30  // verify API secret
31  if (req.headers['x-api-secret'] !== apiSecret) {
32    return res.status(401).json({
33      error: 'Invalid API secret'
34    });
35  }
36
37  next();
38});
39
40// rate limit middleware
41app.use(function (req, res, next) {
42  // check for rate limit header
43  if (!req.headers.hasOwnProperty('x-rate-limit')) {
44    return res.status(429).json({
45      error: 'No rate limit provided'
46    });
47  }
48
49  // verify rate limit
50  if (req.headers['x-rate-limit'] !== '60') {
51    return res.status(429).json({
52      error: 'Invalid rate limit'
53    });
54  }
55
56  // check for rate limit remaining header
57  if (!req.headers.hasOwnProperty('x-rate-limit-remaining')) {
58    return res.status(429).json({
59      error: 'No rate limit remaining provided'
60    });
61  }
62
63  // verify rate limit remaining
64  if (req.headers['x-rate-limit-remaining'] === '0') {
65    return res.status(429).json({
66      error: 'Rate limit exceeded'
67    });
68  }
69
70  next();
71});
72
73// your API routes go here
74app.use('/api', api);
75
76// usage:
77// download:
78// https://github.com/okpalan/express-quota
79// curl -X POST -H "x-api-key: myapikey" -H "x-api-secret: myapisecret" -H "x-rate-limit: 60" -H "x-rate-limit-remaining: 59" -H "Content-Type: application/json" -d '{"name": "John"}' http://localhost:3000/api/users
80
81
82console.log("Node server running on port 3000");
83app.listen(3000);