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'use strict';
const common = require('../common');
const assert = require('assert');
if (!common.hasCrypto) {
common.skip('missing crypto');
return;
}
const https = require('https');
const fs = require('fs');
const net = require('net');
const http = require('http');
let gotRequest = false;
const key = fs.readFileSync(common.fixturesDir + '/keys/agent1-key.pem');
const cert = fs.readFileSync(common.fixturesDir + '/keys/agent1-cert.pem');
const options = {
key: key,
cert: cert
};
const server = https.createServer(options, function(req, res) {
console.log('SERVER: got request');
res.writeHead(200, {
'content-type': 'text/plain'
});
console.log('SERVER: sending response');
res.end('hello world\n');
});
const proxy = net.createServer(function(clientSocket) {
console.log('PROXY: got a client connection');
let serverSocket = null;
clientSocket.on('data', function(chunk) {
if (!serverSocket) {
// Verify the CONNECT request
assert.strictEqual(`CONNECT localhost:${server.address().port} ` +
'HTTP/1.1\r\n' +
'Proxy-Connections: keep-alive\r\n' +
`Host: localhost:${proxy.address().port}\r\n` +
'Connection: close\r\n\r\n',
chunk.toString());
console.log('PROXY: got CONNECT request');
console.log('PROXY: creating a tunnel');
// create the tunnel
serverSocket = net.connect(server.address().port, function() {
console.log('PROXY: replying to client CONNECT request');
// Send the response
clientSocket.write('HTTP/1.1 200 OK\r\nProxy-Connections: keep' +
'-alive\r\nConnections: keep-alive\r\nVia: ' +
`localhost:${proxy.address().port}\r\n\r\n`);
});
serverSocket.on('data', function(chunk) {
clientSocket.write(chunk);
});
serverSocket.on('end', function() {
clientSocket.destroy();
});
} else {
serverSocket.write(chunk);
}
});
clientSocket.on('end', function() {
serverSocket.destroy();
});
});
server.listen(0);
proxy.listen(0, function() {
console.log('CLIENT: Making CONNECT request');
const req = http.request({
port: this.address().port,
method: 'CONNECT',
path: `localhost:${server.address().port}`,
headers: {
'Proxy-Connections': 'keep-alive'
}
});
req.useChunkedEncodingByDefault = false; // for v0.6
req.on('response', onResponse); // for v0.6
req.on('upgrade', onUpgrade); // for v0.6
req.on('connect', onConnect); // for v0.7 or later
req.end();
function onResponse(res) {
// Very hacky. This is necessary to avoid http-parser leaks.
res.upgrade = true;
}
function onUpgrade(res, socket, head) {
// Hacky.
process.nextTick(function() {
onConnect(res, socket, head);
});
}
function onConnect(res, socket, header) {
assert.strictEqual(200, res.statusCode);
console.log('CLIENT: got CONNECT response');
// detach the socket
socket.removeAllListeners('data');
socket.removeAllListeners('close');
socket.removeAllListeners('error');
socket.removeAllListeners('drain');
socket.removeAllListeners('end');
socket.ondata = null;
socket.onend = null;
socket.ondrain = null;
console.log('CLIENT: Making HTTPS request');
https.get({
path: '/foo',
key: key,
cert: cert,
socket: socket, // reuse the socket
agent: false,
rejectUnauthorized: false
}, function(res) {
assert.strictEqual(200, res.statusCode);
res.on('data', function(chunk) {
assert.strictEqual('hello world\n', chunk.toString());
console.log('CLIENT: got HTTPS response');
gotRequest = true;
});
res.on('end', function() {
proxy.close();
server.close();
});
}).on('error', function(er) {
// We're ok with getting ECONNRESET in this test, but it's
// timing-dependent, and thus unreliable. Any other errors
// are just failures, though.
if (er.code !== 'ECONNRESET')
throw er;
}).end();
}
});
process.on('exit', function() {
assert.ok(gotRequest);
});
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