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test-tunnel.js
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test-tunnel.js
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'use strict'
var server = require('./server')
, tape = require('tape')
, request = require('../index')
, https = require('https')
, net = require('net')
, fs = require('fs')
, path = require('path')
, util = require('util')
, url = require('url')
, destroyable = require('server-destroy')
var events = []
, caFile = path.resolve(__dirname, 'ssl/ca/ca.crt')
, ca = fs.readFileSync(caFile)
, sslOpts = {
key : path.resolve(__dirname, 'ssl/ca/localhost.key'),
cert : path.resolve(__dirname, 'ssl/ca/localhost.crt')
}
// this is needed for 'https over http, tunnel=false' test
// from https://github.com/coolaj86/node-ssl-root-cas/blob/v1.1.9-beta/ssl-root-cas.js#L4267-L4281
var httpsOpts = https.globalAgent.options
httpsOpts.ca = httpsOpts.ca || []
httpsOpts.ca.push(ca)
var s = server.createServer()
, ss = server.createSSLServer(null, sslOpts)
// XXX when tunneling https over https, connections get left open so the server
// doesn't want to close normally (and same issue with http server on v0.8.x)
destroyable(s)
destroyable(ss)
function event() {
events.push(util.format.apply(null, arguments))
}
function setListeners(server, type) {
server.on('/', function(req, res) {
event('%s response', type)
res.end(type + ' ok')
})
server.on(s.url + '/', function(req, res) {
event('%s proxy to http', type)
request(s.url).pipe(res)
})
server.on(ss.url + '/', function(req, res) {
event('%s proxy to https', type)
request(ss.url).pipe(res)
})
server.on('connect', function(req, client, head) {
var u = url.parse(req.url)
var server = net.connect(u.host, u.port, function() {
event('%s connect to %s', type, req.url)
client.write('HTTP/1.1 200 Connection established\r\n\r\n')
client.pipe(server)
server.write(head)
server.pipe(client)
})
})
}
setListeners(s, 'http')
setListeners(ss, 'https')
tape('setup', function(t) {
s.listen(s.port, function() {
ss.listen(ss.port, function() {
t.end()
})
})
})
// monkey-patch since you can't set a custom certificate authority for the
// proxy in tunnel-agent (this is necessary for "* over https" tests)
var customCaCount = 0
var httpsRequestOld = https.request
https.request = function(options) {
if (customCaCount) {
options.ca = ca
customCaCount--
}
return httpsRequestOld.apply(this, arguments)
}
function runTest(name, opts, expected) {
tape(name, function(t) {
opts.ca = ca
if (opts.proxy === ss.url) {
customCaCount = (opts.url === ss.url ? 2 : 1)
}
request(opts, function(err, res, body) {
event(err ? 'err ' + err.message : res.statusCode + ' ' + body)
t.deepEqual(events, expected)
events = []
t.end()
})
})
}
// HTTP OVER HTTP TESTS
runTest('http over http, tunnel=true', {
url : s.url,
proxy : s.url,
tunnel : true
}, [
'http connect to localhost:' + s.port,
'http response',
'200 http ok'
])
runTest('http over http, tunnel=false', {
url : s.url,
proxy : s.url,
tunnel : false
}, [
'http proxy to http',
'http response',
'200 http ok'
])
runTest('http over http, tunnel=default', {
url : s.url,
proxy : s.url
}, [
'http proxy to http',
'http response',
'200 http ok'
])
// HTTP OVER HTTPS TESTS
runTest('http over https, tunnel=true', {
url : s.url,
proxy : ss.url,
tunnel : true
}, [
'https connect to localhost:' + s.port,
'http response',
'200 http ok'
])
runTest('http over https, tunnel=false', {
url : s.url,
proxy : ss.url,
tunnel : false
}, [
'https proxy to http',
'http response',
'200 http ok'
])
runTest('http over https, tunnel=default', {
url : s.url,
proxy : ss.url
}, [
'https proxy to http',
'http response',
'200 http ok'
])
// HTTPS OVER HTTP TESTS
runTest('https over http, tunnel=true', {
url : ss.url,
proxy : s.url,
tunnel : true
}, [
'http connect to localhost:' + ss.port,
'https response',
'200 https ok'
])
runTest('https over http, tunnel=false', {
url : ss.url,
proxy : s.url,
tunnel : false
}, [
'http proxy to https',
'https response',
'200 https ok'
])
runTest('https over http, tunnel=default', {
url : ss.url,
proxy : s.url
}, [
'http connect to localhost:' + ss.port,
'https response',
'200 https ok'
])
// HTTPS OVER HTTPS TESTS
runTest('https over https, tunnel=true', {
url : ss.url,
proxy : ss.url,
tunnel : true
}, [
'https connect to localhost:' + ss.port,
'https response',
'200 https ok'
])
runTest('https over https, tunnel=false', {
url : ss.url,
proxy : ss.url,
tunnel : false,
pool : false // must disable pooling here or Node.js hangs
}, [
'https proxy to https',
'https response',
'200 https ok'
])
runTest('https over https, tunnel=default', {
url : ss.url,
proxy : ss.url
}, [
'https connect to localhost:' + ss.port,
'https response',
'200 https ok'
])
tape('cleanup', function(t) {
s.destroy(function() {
ss.destroy(function() {
t.end()
})
})
})