'use strict'; const request = require('../helpers/context').request; const assert = require('assert'); describe('req.hostname', () => { it('should return hostname void of port', () => { const req = request(); req.header.host = 'foo.com:3000'; assert.equal(req.hostname, 'foo.com'); }); describe('with no host present', () => { it('should return ""', () => { const req = request(); assert.equal(req.hostname, ''); }); }); describe('with IPv6 in host', () => { it('should parse localhost void of port', () => { const req = request(); req.header.host = '[::1]'; assert.equal(req.hostname, '[::1]'); }); it('should parse localhost with port 80', () => { const req = request(); req.header.host = '[::1]:80'; assert.equal(req.hostname, '[::1]'); }); it('should parse localhost with non special schema port', () => { const req = request(); req.header.host = '[::1]:1337'; assert.equal(req.hostname, '[::1]'); }); it('should reduce IPv6 with non special schema port, as hostname', () => { const req = request(); req.header.host = '[2001:cdba:0000:0000:0000:0000:3257:9652]:1337'; assert.equal(req.hostname, '[2001:cdba::3257:9652]'); }); it('should return empty string when invalid', () => { const req = request(); req.header.host = '[invalidIPv6]'; assert.equal(req.hostname, ''); }); }); describe('when X-Forwarded-Host is present', () => { describe('and proxy is not trusted', () => { it('should be ignored', () => { const req = request(); req.header['x-forwarded-host'] = 'bar.com'; req.header.host = 'foo.com'; assert.equal(req.hostname, 'foo.com'); }); }); describe('and proxy is trusted', () => { it('should be used', () => { const req = request(); req.app.proxy = true; req.header['x-forwarded-host'] = 'bar.com, baz.com'; req.header.host = 'foo.com'; assert.equal(req.hostname, 'bar.com'); }); }); }); });