Cross-Site Proxy draft

csproxy.coffee

http = require "http"

proxyToHost = 'www.sandbox.prostoprint.com'

server = http.createServer (request, response) ->
	delete request.headers.host
	delete request.headers.hostname
	proxiedRequest = http.request
		hostname: proxyToHost
		host: proxyToHost
		port: 80
		path: request.url
		method: request.method
		headers: request.headers
	, (proxiedResponse) ->
		proxiedResponse.on "data", (chunk) ->
			response.write chunk, "binary"

		proxiedResponse.on "end", ->
			response.end()

		proxiedResponse.headers['Access-Control-Allow-Origin'] = '*'
		response.writeHead proxiedResponse.statusCode, proxiedResponse.headers

	request.on "data", (chunk) ->
		proxiedRequest.write chunk, "binary"

	request.addListener "end", ->
		proxiedRequest.end()

server.listen process.env.PORT or 8080

https://gist.github.com/eagleeye/5415016/6cb042547bd5471db5280540cd41802e8e5abd55