calderas

var user="your_user"
var password="your_password"
var proxy_host="your_proxy.com"
var proxy_port=80

var http = require('http'), sys = require('sys')
var proxy = http.createClient(proxy_port, proxy_host);

var request = proxy.request('GET', '/1/statuses/sample.json', { host: 'stream.twitter.com', Authorization:new Buffer(user+":"+password).toString('base64')});