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|
'use strict'
var server = require('./server')
var request = require('../index')
var tape = require('tape')
var s = server.createServer()
var currResponseHandler
['http://google.com/', 'https://google.com/'].forEach(function (url) {
s.on(url, function (req, res) {
currResponseHandler(req, res)
res.writeHeader(200)
res.end('ok')
})
})
var proxyEnvVars = [
'http_proxy',
'HTTP_PROXY',
'https_proxy',
'HTTPS_PROXY',
'no_proxy',
'NO_PROXY'
]
// Set up and run a proxy test. All environment variables pertaining to
// proxies will be deleted before each test. Specify environment variables as
// `options.env`; all other keys on `options` will be passed as additional
// options to `request`.
//
// If `responseHandler` is a function, it should perform asserts on the server
// response. It will be called with parameters (t, req, res). Otherwise,
// `responseHandler` should be truthy to indicate that the proxy should be used
// for this request, or falsy to indicate that the proxy should not be used for
// this request.
function runTest (name, options, responseHandler) {
tape(name, function (t) {
proxyEnvVars.forEach(function (v) {
delete process.env[v]
})
if (options.env) {
for (var v in options.env) {
process.env[v] = options.env[v]
}
delete options.env
}
var called = false
currResponseHandler = function (req, res) {
if (responseHandler) {
called = true
t.equal(req.headers.host, 'google.com')
if (typeof responseHandler === 'function') {
responseHandler(t, req, res)
}
} else {
t.fail('proxy response should not be called')
}
}
options.url = options.url || 'http://google.com'
request(options, function (err, res, body) {
if (responseHandler && !called) {
t.fail('proxy response should be called')
}
t.equal(err, null)
t.equal(res.statusCode, 200)
if (responseHandler) {
if (body.length > 100) {
body = body.substring(0, 100)
}
t.equal(body, 'ok')
} else {
t.equal(/^<!doctype html>/i.test(body), true)
}
t.end()
})
})
}
function addTests () {
// If the `runTest` function is changed, run the following command and make
// sure both of these tests fail:
//
// TEST_PROXY_HARNESS=y node tests/test-proxy.js
if (process.env.TEST_PROXY_HARNESS) {
runTest('should fail with "proxy response should not be called"', {
proxy: s.url
}, false)
runTest('should fail with "proxy response should be called"', {
proxy: null
}, true)
} else {
// Run the real tests
runTest('basic proxy', {
proxy: s.url,
headers: {
'proxy-authorization': 'Token Fooblez'
}
}, function (t, req, res) {
t.equal(req.headers['proxy-authorization'], 'Token Fooblez')
})
runTest('proxy auth without uri auth', {
proxy: 'http://user:pass@localhost:' + s.port
}, function (t, req, res) {
t.equal(req.headers['proxy-authorization'], 'Basic dXNlcjpwYXNz')
})
// http: urls and basic proxy settings
runTest('HTTP_PROXY environment variable and http: url', {
env: { HTTP_PROXY: s.url }
}, true)
runTest('http_proxy environment variable and http: url', {
env: { http_proxy: s.url }
}, true)
/*
runTest('HTTPS_PROXY environment variable and http: url', {
env: { HTTPS_PROXY: s.url }
}, false)
runTest('https_proxy environment variable and http: url', {
env: { https_proxy: s.url }
}, false)
*/
// https: urls and basic proxy settings
runTest('HTTP_PROXY environment variable and https: url', {
env: { HTTP_PROXY: s.url },
url: 'https://google.com',
tunnel: false,
pool: false
}, true)
runTest('http_proxy environment variable and https: url', {
env: { http_proxy: s.url },
url: 'https://google.com',
tunnel: false
}, true)
runTest('HTTPS_PROXY environment variable and https: url', {
env: { HTTPS_PROXY: s.url },
url: 'https://google.com',
tunnel: false
}, true)
runTest('https_proxy environment variable and https: url', {
env: { https_proxy: s.url },
url: 'https://google.com',
tunnel: false
}, true)
runTest('multiple environment variables and https: url', {
env: {
HTTPS_PROXY: s.url,
HTTP_PROXY: 'http://localhost:0/'
},
url: 'https://google.com',
tunnel: false
}, true)
// no_proxy logic
/*
runTest('NO_PROXY hostnames are case insensitive', {
env: {
HTTP_PROXY: s.url,
NO_PROXY: 'GOOGLE.COM'
}
}, false)
runTest('NO_PROXY hostnames are case insensitive 2', {
env: {
http_proxy: s.url,
NO_PROXY: 'GOOGLE.COM'
}
}, false)
runTest('NO_PROXY hostnames are case insensitive 3', {
env: {
HTTP_PROXY: s.url,
no_proxy: 'GOOGLE.COM'
}
}, false)
*/
runTest('NO_PROXY ignored with explicit proxy passed', {
env: { NO_PROXY: '*' },
proxy: s.url
}, true)
/*
runTest('NO_PROXY overrides HTTP_PROXY for specific hostname', {
env: {
HTTP_PROXY: s.url,
NO_PROXY: 'google.com'
}
}, false)
runTest('no_proxy overrides HTTP_PROXY for specific hostname', {
env: {
HTTP_PROXY: s.url,
no_proxy: 'google.com'
}
}, false)
*/
runTest('NO_PROXY does not override HTTP_PROXY if no hostnames match', {
env: {
HTTP_PROXY: s.url,
NO_PROXY: 'foo.bar,bar.foo'
}
}, true)
/*
runTest('NO_PROXY overrides HTTP_PROXY if a hostname matches', {
env: {
HTTP_PROXY: s.url,
NO_PROXY: 'foo.bar,google.com'
}
}, false)
runTest('NO_PROXY allows an explicit port', {
env: {
HTTP_PROXY: s.url,
NO_PROXY: 'google.com:80'
}
}, false)
*/
runTest('NO_PROXY only overrides HTTP_PROXY if the port matches', {
env: {
HTTP_PROXY: s.url,
NO_PROXY: 'google.com:1234'
}
}, true)
/*
runTest('NO_PROXY=* should override HTTP_PROXY for all hosts', {
env: {
HTTP_PROXY: s.url,
NO_PROXY: '*'
}
}, false)
runTest('NO_PROXY should override HTTP_PROXY for all subdomains', {
env: {
HTTP_PROXY: s.url,
NO_PROXY: 'google.com'
},
headers: { host: 'www.google.com' }
}, false)
runTest('NO_PROXY should not override HTTP_PROXY for partial domain matches', {
env: {
HTTP_PROXY: s.url,
NO_PROXY: 'oogle.com'
}
}, true)
runTest('NO_PROXY with port should not override HTTP_PROXY for partial domain matches', {
env: {
HTTP_PROXY: s.url,
NO_PROXY: 'oogle.com:80'
}
}, true)
*/
// misc
// this fails if the check 'isMatchedAt > -1' in lib/getProxyFromURI.js is
// missing or broken
runTest('http_proxy with length of one more than the URL', {
env: {
HTTP_PROXY: s.url,
NO_PROXY: 'elgoog1.com' // one more char than google.com
}
}, true)
/*
runTest('proxy: null should override HTTP_PROXY', {
env: { HTTP_PROXY: s.url },
proxy: null,
timeout: 500
}, false)
*/
runTest('uri auth without proxy auth', {
url: 'http://user:pass@google.com',
proxy: s.url
}, function (t, req, res) {
t.equal(req.headers['proxy-authorization'], undefined)
t.equal(req.headers.authorization, 'Basic dXNlcjpwYXNz')
})
}
}
tape('setup', function (t) {
s.listen(0, function () {
addTests()
tape('cleanup', function (t) {
s.close(function () {
t.end()
})
})
t.end()
})
})
|
