added wado uri proxy

Packages/wadoproxy/server/initialize.js

@@ -0,0 +1,9 @@
+
+Settings = Object.assign((Meteor.settings && Meteor.settings.proxy) ? Meteor.settings.proxy : {}, {
+    uri : "/__wado_proxy",
+    enabled: true
+})
+
+http = require("http");
+url = require("url");
+querystring = require("querystring");

Packages/wadoproxy/server/namespace.js

@@ -0,0 +1,8 @@
+WADOProxy = {};
+
+WADOProxy.convertURL = function(wadoURL) {
+    if (!Settings.enabled) {
+        return wadoURL;
+    }
+    return Settings.uri + '?' + querystring.stringify({url: wadoURL});
+}

Packages/wadoproxy/server/routes.js

@@ -0,0 +1,33 @@
+Router.route(Settings.uri, function () {
+    let response = this.response;
+    if (!this.params.query.url) {
+        response.writeHead(500);
+        response.end('No wado url provided');
+        return;
+    }
+
+    let proxyRequest,
+        wadoUrl = url.parse(this.params.query.url, false);
+
+    var options = {
+        headers: {}
+    };
+    //options.headers = this.request.headers;
+    if (this.request.headers['referer']) {
+        options.headers.referer = this.request.headers['referer'];
+    }
+    if (this.request.headers['user-agent']) {
+        options.headers['user-agent'] = this.request.headers['user-agent'];
+    }
+
+    options.method = this.request.method;
+    options.host = wadoUrl.hostname;
+    options.port = wadoUrl.port ? wadoUrl.port : 80;
+    options.path = wadoUrl.path;
+
+    proxyRequest = http.request(options, function (proxyResponse) {
+        proxyResponse.pipe(response, {end: true});
+    });
+    //proxyRequest.end();
+    this.request.pipe(proxyRequest, {end: true});
+}, {where: 'server'});