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23ac194 |
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'use strict'
const test = require('tape')
const proxyaddr = require('..')
test('req should be required', function (t) {
t.throws(proxyaddr, /req.*required/u)
t.end()
})
test('trust should be required', function (t) {
const req = createReq('127.0.0.1')
t.throws(proxyaddr.bind(null, req), /trust.*required/u)
t.end()
})
test('trust should accept a function', function (t) {
const req = createReq('127.0.0.1')
t.doesNotThrow(proxyaddr.bind(null, req, all))
t.end()
})
test('trust should accept an array', function (t) {
const req = createReq('127.0.0.1')
t.doesNotThrow(proxyaddr.bind(null, req, []))
t.end()
})
test('trust should accept a string', function (t) {
const req = createReq('127.0.0.1')
t.doesNotThrow(proxyaddr.bind(null, req, '127.0.0.1'))
t.end()
})
test('trust should reject a number', function (t) {
const req = createReq('127.0.0.1')
t.throws(proxyaddr.bind(null, req, 42), /unsupported trust argument/u)
t.end()
})
test('trust should accept IPv4', function (t) {
const req = createReq('127.0.0.1')
t.doesNotThrow(proxyaddr.bind(null, req, '127.0.0.1'))
t.end()
})
test('trust should accept IPv6', function (t) {
const req = createReq('127.0.0.1')
t.doesNotThrow(proxyaddr.bind(null, req, '::1'))
t.end()
})
test('trust should accept IPv4-style IPv6', function (t) {
const req = createReq('127.0.0.1')
t.doesNotThrow(proxyaddr.bind(null, req, '::ffff:127.0.0.1'))
t.end()
})
test('trust should accept pre-defined names', function (t) {
const req = createReq('127.0.0.1')
t.doesNotThrow(proxyaddr.bind(null, req, 'loopback'))
t.end()
})
test('trust should accept pre-defined names in array', function (t) {
const req = createReq('127.0.0.1')
t.doesNotThrow(proxyaddr.bind(null, req, ['loopback', '10.0.0.1']))
t.end()
})
test('trust should not alter input array', function (t) {
const arr = ['loopback', '10.0.0.1']
const req = createReq('127.0.0.1')
t.doesNotThrow(proxyaddr.bind(null, req, arr))
t.same(arr, ['loopback', '10.0.0.1'])
t.end()
})
test('trust should reject non-IP', function (t) {
const req = createReq('127.0.0.1')
t.throws(proxyaddr.bind(null, req, 'blargh'), /invalid IP address/u)
t.throws(proxyaddr.bind(null, req, '10.0.300.1'), /invalid IP address/u)
t.throws(proxyaddr.bind(null, req, '::ffff:30.168.1.9000'), /invalid IP address/u)
t.throws(proxyaddr.bind(null, req, '-1'), /invalid IP address/u)
t.end()
})
test('trust should reject bad CIDR', function (t) {
const req = createReq('127.0.0.1')
t.throws(proxyaddr.bind(null, req, '10.0.0.1/internet'), /invalid range on address/u)
t.throws(proxyaddr.bind(null, req, '10.0.0.1/6000'), /invalid range on address/u)
t.throws(proxyaddr.bind(null, req, '::1/6000'), /invalid range on address/u)
t.throws(proxyaddr.bind(null, req, '::ffff:a00:2/136'), /invalid range on address/u)
t.throws(proxyaddr.bind(null, req, '::ffff:a00:2/-1'), /invalid range on address/u)
t.end()
})
test('trust should reject bad netmask', function (t) {
const req = createReq('127.0.0.1')
t.throws(proxyaddr.bind(null, req, '10.0.0.1/255.0.255.0'), /invalid range on address/u)
t.throws(proxyaddr.bind(null, req, '10.0.0.1/ffc0::'), /invalid range on address/u)
t.throws(proxyaddr.bind(null, req, 'fe80::/ffc0::'), /invalid range on address/u)
t.throws(proxyaddr.bind(null, req, 'fe80::/255.255.255.0'), /invalid range on address/u)
t.throws(proxyaddr.bind(null, req, '::ffff:a00:2/255.255.255.0'), /invalid range on address/u)
t.end()
})
test('trust should be invoked as trust(addr, i)', function (t) {
const log = []
const req = createReq('127.0.0.1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.1'
})
proxyaddr(req, function (addr, i) {
return log.push(Array.prototype.slice.call(arguments))
})
t.same(log, [
['127.0.0.1', 0],
['10.0.0.1', 1]
])
t.end()
})
test('with all trusted should return socket address wtesth no headers', function (t) {
const req = createReq('127.0.0.1')
t.equal(proxyaddr(req, all), '127.0.0.1')
t.end()
})
test('with all trusted should return header value', function (t) {
const req = createReq('127.0.0.1', {
'x-forwarded-for': '10.0.0.1'
})
t.equal(proxyaddr(req, all), '10.0.0.1')
t.end()
})
test('with all trusted should return furthest header value', function (t) {
const req = createReq('127.0.0.1', {
'x-forwarded-for': '10.0.0.1, 10.0.0.2'
})
t.equal(proxyaddr(req, all), '10.0.0.1')
t.end()
})
test('with none trusted should return socket address wtesth no headers', function (t) {
const req = createReq('127.0.0.1')
t.equal(proxyaddr(req, none), '127.0.0.1')
t.end()
})
test('with none trusted should return socket address wtesth headers', function (t) {
const req = createReq('127.0.0.1', {
'x-forwarded-for': '10.0.0.1, 10.0.0.2'
})
t.equal(proxyaddr(req, none), '127.0.0.1')
t.end()
})
test('with some trusted should return socket address wtesth no headers', function (t) {
const req = createReq('127.0.0.1')
t.equal(proxyaddr(req, trust10x), '127.0.0.1')
t.end()
})
test('with some trusted should return socket address when not trusted', function (t) {
const req = createReq('127.0.0.1', {
'x-forwarded-for': '10.0.0.1, 10.0.0.2'
})
t.equal(proxyaddr(req, trust10x), '127.0.0.1')
t.end()
})
test('with some trusted should return header when socket trusted', function (t) {
const req = createReq('10.0.0.1', {
'x-forwarded-for': '192.168.0.1'
})
t.equal(proxyaddr(req, trust10x), '192.168.0.1')
t.end()
})
test('with some trusted should return first untrusted after trusted', function (t) {
const req = createReq('10.0.0.1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.2'
})
t.equal(proxyaddr(req, trust10x), '192.168.0.1')
t.end()
})
test('with some trusted should not skip untrusted', function (t) {
const req = createReq('10.0.0.1', {
'x-forwarded-for': '10.0.0.3, 192.168.0.1, 10.0.0.2'
})
t.equal(proxyaddr(req, trust10x), '192.168.0.1')
t.end()
})
test('when given array should accept ltesteral IP addresses', function (t) {
const req = createReq('10.0.0.1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.2'
})
t.equal(proxyaddr(req, ['10.0.0.1', '10.0.0.2']), '192.168.0.1')
t.end()
})
test('when given array should not trust non-IP addresses', function (t) {
const req = createReq('10.0.0.1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.2, localhost'
})
t.equal(proxyaddr(req, ['10.0.0.1', '10.0.0.2']), 'localhost')
t.end()
})
test('when given array should return socket address if none match', function (t) {
const req = createReq('10.0.0.1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.2'
})
t.equal(proxyaddr(req, ['127.0.0.1', '192.168.0.100']), '10.0.0.1')
t.end()
})
test('when array empty should return socket address ', function (t) {
const req = createReq('127.0.0.1')
t.equal(proxyaddr(req, []), '127.0.0.1')
t.end()
})
test('when array empty should return socket address wtesth headers', function (t) {
const req = createReq('127.0.0.1', {
'x-forwarded-for': '10.0.0.1, 10.0.0.2'
})
t.equal(proxyaddr(req, []), '127.0.0.1')
t.end()
})
test('when given IPv4 addresses should accept ltesteral IP addresses', function (t) {
const req = createReq('10.0.0.1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.2'
})
t.equal(proxyaddr(req, ['10.0.0.1', '10.0.0.2']), '192.168.0.1')
t.end()
})
test('when given IPv4 addresses should accept CIDR notation', function (t) {
const req = createReq('10.0.0.1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.200'
})
t.equal(proxyaddr(req, '10.0.0.2/26'), '10.0.0.200')
t.end()
})
test('when given IPv4 addresses should accept netmask notation', function (t) {
const req = createReq('10.0.0.1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.200'
})
t.equal(proxyaddr(req, '10.0.0.2/255.255.255.192'), '10.0.0.200')
t.end()
})
test('when given IPv6 addresses should accept ltesteral IP addresses', function (t) {
const req = createReq('fe80::1', {
'x-forwarded-for': '2002:c000:203::1, fe80::2'
})
t.equal(proxyaddr(req, ['fe80::1', 'fe80::2']), '2002:c000:203::1')
t.end()
})
test('when given IPv6 addresses should accept CIDR notation', function (t) {
const req = createReq('fe80::1', {
'x-forwarded-for': '2002:c000:203::1, fe80::ff00'
})
t.equal(proxyaddr(req, 'fe80::/125'), 'fe80::ff00')
t.end()
})
test('with IP version mixed should match respective versions', function (t) {
const req = createReq('::1', {
'x-forwarded-for': '2002:c000:203::1'
})
t.equal(proxyaddr(req, ['127.0.0.1', '::1']), '2002:c000:203::1')
t.end()
})
test('with IP version mixed should not match IPv4 to IPv6', function (t) {
const req = createReq('::1', {
'x-forwarded-for': '2002:c000:203::1'
})
t.equal(proxyaddr(req, '127.0.0.1'), '::1')
t.end()
})
test('when IPv4-mapped IPv6 addresses should match IPv4 trust to IPv6 request', function (t) {
const req = createReq('::ffff:a00:1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.2'
})
t.equal(proxyaddr(req, ['10.0.0.1', '10.0.0.2']), '192.168.0.1')
t.end()
})
test('when IPv4-mapped IPv6 addresses should match IPv4 netmask trust to IPv6 request', function (t) {
const req = createReq('::ffff:a00:1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.2'
})
t.equal(proxyaddr(req, ['10.0.0.1/16']), '192.168.0.1')
t.end()
})
test('when IPv4-mapped IPv6 addresses should match IPv6 trust to IPv4 request', function (t) {
const req = createReq('10.0.0.1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.2'
})
t.equal(proxyaddr(req, ['::ffff:a00:1', '::ffff:a00:2']), '192.168.0.1')
t.end()
})
test('when IPv4-mapped IPv6 addresses should match CIDR notation for IPv4-mapped address', function (t) {
const req = createReq('10.0.0.1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.200'
})
t.equal(proxyaddr(req, '::ffff:a00:2/122'), '10.0.0.200')
t.end()
})
test('when IPv4-mapped IPv6 addresses should match CIDR notation for IPv4-mapped address mixed wtesth IPv6 CIDR', function (t) {
const req = createReq('10.0.0.1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.200'
})
t.equal(proxyaddr(req, ['::ffff:a00:2/122', 'fe80::/125']), '10.0.0.200')
t.end()
})
test('when IPv4-mapped IPv6 addresses should match CIDR notation for IPv4-mapped address mixed wtesth IPv4 addresses', function (t) {
const req = createReq('10.0.0.1', {
'x-forwarded-for': '192.168.0.1, 10.0.0.200'
})
t.equal(proxyaddr(req, ['::ffff:a00:2/122', '127.0.0.1']), '10.0.0.200')
t.end()
})
test('when given predefined names should accept single pre-defined name', function (t) {
const req = createReq('fe80::1', {
'x-forwarded-for': '2002:c000:203::1, fe80::2'
})
t.equal(proxyaddr(req, 'linklocal'), '2002:c000:203::1')
t.end()
})
test('when given predefined names should accept multiple pre-defined names', function (t) {
const req = createReq('::1', {
'x-forwarded-for': '2002:c000:203::1, fe80::2'
})
t.equal(proxyaddr(req, ['loopback', 'linklocal']), '2002:c000:203::1')
t.end()
})
test('when header contains non-ip addresses should stop at first non-ip after trusted', function (t) {
const req = createReq('127.0.0.1', {
'x-forwarded-for': 'myrouter, 127.0.0.1, proxy'
})
t.equal(proxyaddr(req, '127.0.0.1'), 'proxy')
t.end()
})
test('when header contains non-ip addresses should stop at first malformed ip after trusted', function (t) {
const req = createReq('127.0.0.1', {
'x-forwarded-for': 'myrouter, 127.0.0.1, ::8:8:8:8:8:8:8:8:8'
})
t.equal(proxyaddr(req, '127.0.0.1'), '::8:8:8:8:8:8:8:8:8')
t.end()
})
test('when header contains non-ip addresses should provide all values to function', function (t) {
const log = []
const req = createReq('127.0.0.1', {
'x-forwarded-for': 'myrouter, 127.0.0.1, proxy'
})
proxyaddr(req, function (addr, i) {
return log.push(Array.prototype.slice.call(arguments))
})
t.same(log, [
['127.0.0.1', 0],
['proxy', 1],
['127.0.0.1', 2]
])
t.end()
})
test('when socket address undefined should return undefined as address', function (t) {
const req = createReq(undefined)
t.equal(proxyaddr(req, '127.0.0.1'), undefined)
t.end()
})
test('when socket address undefined should return undefined even wtesth trusted headers', function (t) {
const req = createReq(undefined, {
'x-forwarded-for': '127.0.0.1, 10.0.0.1'
})
t.equal(proxyaddr(req, '127.0.0.1'), undefined)
t.end()
})
function createReq (socketAddr, headers) {
return {
socket: {
remoteAddress: socketAddr
},
headers: headers || {}
}
}
function all () { return true }
function none () { return false }
function trust10x (addr) { return /^10\./u.test(addr) }
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