// Hats off to https://gist.github.com/hackable/1294667

var express = require('express'),
    request = require('request'),
    BufferList = require('bufferlist').BufferList,
    sys = require('sys'),
    fs = require('fs');

var app = express.createServer();

app.get('/', function(req, res) {
  if(req.param("url")) {
    var url = unescape(req.param("url"));
    request({
        uri:url, 
        encoding: 'binary'
      }, function (error, response, body) {
      if (!error && response.statusCode == 200) {
        var data_uri_prefix = "data:" + response.headers["content-type"] + ";base64,";
        var image = new Buffer(body.toString(), "binary").toString("base64");
        var image = data_uri_prefix + image;
        res.send(image);
      }else{
        res.send('you brokes me!!');
      }
      return
    }); 
  }else{
    res.send('Dude. Specify a url');
  }
});

var port = process.env.PORT || 5000;
app.listen(port, function() {
  console.log("Listening on " + port);
});