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hostname.js
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hostname.js
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'use strict'
const request = require('../../test-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.strictEqual(req.hostname, 'foo.com')
})
describe('with no host present', () => {
it('should return ""', () => {
const req = request()
assert.strictEqual(req.hostname, '')
})
})
describe('with IPv6 in host', () => {
it('should parse localhost void of port', () => {
const req = request()
req.header.host = '[::1]'
assert.strictEqual(req.hostname, '[::1]')
})
it('should parse localhost with port 80', () => {
const req = request()
req.header.host = '[::1]:80'
assert.strictEqual(req.hostname, '[::1]')
})
it('should parse localhost with non-special schema port', () => {
const req = request()
req.header.host = '[::1]:1337'
assert.strictEqual(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.strictEqual(req.hostname, '[2001:cdba::3257:9652]')
})
it('should return empty string when invalid', () => {
const req = request()
req.header.host = '[invalidIPv6]'
assert.strictEqual(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.strictEqual(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.strictEqual(req.hostname, 'bar.com')
})
})
})
})