express/test/req.ip.js
2017-02-04 20:54:47 -05:00

98 lines
2.4 KiB
JavaScript

var express = require('../')
, request = require('supertest');
describe('req', function(){
describe('.ip', function(){
describe('when X-Forwarded-For is present', function(){
describe('when "trust proxy" is enabled', function(){
it('should return the client addr', function(done){
var app = express();
app.enable('trust proxy');
app.use(function(req, res, next){
res.send(req.ip);
});
request(app)
.get('/')
.set('X-Forwarded-For', 'client, p1, p2')
.expect('client', done);
})
it('should return the addr after trusted proxy', function(done){
var app = express();
app.set('trust proxy', 2);
app.use(function(req, res, next){
res.send(req.ip);
});
request(app)
.get('/')
.set('X-Forwarded-For', 'client, p1, p2')
.expect('p1', done);
})
it('should return the addr after trusted proxy, from sub app', function (done) {
var app = express();
var sub = express();
app.set('trust proxy', 2);
app.use(sub);
sub.use(function (req, res, next) {
res.send(req.ip);
});
request(app)
.get('/')
.set('X-Forwarded-For', 'client, p1, p2')
.expect(200, 'p1', done);
})
})
describe('when "trust proxy" is disabled', function(){
it('should return the remote address', function(done){
var app = express();
app.use(function(req, res, next){
res.send(req.ip);
});
var test = request(app).get('/')
test.set('X-Forwarded-For', 'client, p1, p2')
test.expect(200, getExpectedClientAddress(test._server), done);
})
})
})
describe('when X-Forwarded-For is not present', function(){
it('should return the remote address', function(done){
var app = express();
app.enable('trust proxy');
app.use(function(req, res, next){
res.send(req.ip);
});
var test = request(app).get('/')
test.expect(200, getExpectedClientAddress(test._server), done)
})
})
})
})
/**
* Get the local client address depending on AF_NET of server
*/
function getExpectedClientAddress(server) {
return server.address().address === '::'
? '::ffff:127.0.0.1'
: '127.0.0.1';
}