Move docker proxy into its own file

src/dockerproxy.js

@@ -0,0 +1,53 @@
+'use strict';
+
+exports = module.exports = {
+    start: start,
+    stop: stop
+};
+
+var assert = require('assert'),
+    config = require('./config.js'),
+    debug = require('debug')('box:ldap'),
+    http = require('http'),
+    _ = require('underscore');
+
+var gServer = null;
+
+function start(callback) {
+    assert.strictEqual(typeof callback, 'function');
+
+    function interceptor(req, res) {
+        debug(`dockerInterceptor: ${req.method} ${req.url}`);
+        return false;
+    }
+
+    debug(`startDockerProxy: starting proxy on port ${config.get('dockerProxyPort')}`);
+
+    gServer = http.createServer(function (req, res) {
+        if (interceptor(req, res)) return;
+
+        // rejectUnauthorized should not be required but it doesn't work without it
+        var options = _.extend({ }, { socketPath: '/var/run/docker.sock' }, { method: req.method, path: req.url, headers: req.headers, rejectUnauthorized: false });
+        var dockerRequest = http.request(options, function (dockerResponse) {
+            res.writeHead(dockerResponse.statusCode, dockerResponse.headers);
+            dockerResponse.on('error', console.error);
+            dockerResponse.pipe(res, { end: true });
+        });
+
+        req.on('error', console.error);
+        if (!req.readable) {
+            dockerRequest.end();
+        } else {
+            req.pipe(dockerRequest, { end: true });
+        }
+
+    }).listen(config.get('dockerProxyPort'), callback);
+}
+
+function stop(callback) {
+    assert.strictEqual(typeof callback, 'function');
+
+    if (gServer) gServer.close();
+
+    callback();
+}