furugomu/proxy.js

## proxy.js
// usage: node proxy.js

var http = require('http'),
    httpProxy = require('http-proxy');

var userScripts = [
  // 神撃のバハムートの PC 拒否を突破
  function() {
    window.ontouchstart = function(){};
    window.orientation = 0;
  },
  // バレンタイン藍子を通常藍子に
  function() {
    addEventListener('DOMContentLoaded', function(e) {
      if (!window.$) return;
      var rx = /(%2F3[01])021(0[12]\.jpg)/i;
      $('img')
        .filter(function() {
          return this.src.match(rx);
        })
        .each(function() {
          this.src = this.src.replace(rx, '$1002$2');
        });
    }, false);
  }
].map(function(x){ return '('+x.toString()+')();'}).join("\n");

function filter(req, res) {
  // User Agent を iPhone にする
  req.headers['user-agent'] = "Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7534.48.3";

  // HTML だったらスクリプトを差し込む
  var writeHead = res.writeHead;
  res.writeHead = function(code, headers) {
    for (var key in headers) {
      res.setHeader(key, headers[key]);
    }
    var type = res.getHeader('content-type');
    if (type && type.indexOf('/html') >= 0) {
      console.log('replace', req.url);
      var write = res.write;
      var script = "<script>"+userScripts+"</script>";
      res.write = function (data) {
        write.call(res, data.toString().replace("<head>", "<head>"+script));
      }
    }
    writeHead.call(res, code);
  }
}

httpProxy.createServer(function (req, res, proxy) {
  var url = require('url').parse(req.url);
  req.url = url.path;

  if (url.host.match(/mbga\.jp$/)) {
    filter(req, res);
  }

  proxy.proxyRequest(req, res, {
    host: url.host,
    port: url.port || 80,
  });
}).listen(9393);
	// usage: node proxy.js

	var http = require('http'),
	httpProxy = require('http-proxy');

	var userScripts = [
	// 神撃のバハムートの PC 拒否を突破
	function() {
	window.ontouchstart = function(){};
	window.orientation = 0;
	},
	// バレンタイン藍子を通常藍子に
	function() {
	addEventListener('DOMContentLoaded', function(e) {
	if (!window.$) return;
	var rx = /(%2F3[01])021(0[12]\.jpg)/i;
	$('img')
	.filter(function() {
	return this.src.match(rx);
	})
	.each(function() {
	this.src = this.src.replace(rx, '$1002$2');
	});
	}, false);
	}
	].map(function(x){ return '('+x.toString()+')();'}).join("\n");

	function filter(req, res) {
	// User Agent を iPhone にする
	req.headers['user-agent'] = "Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7534.48.3";

	// HTML だったらスクリプトを差し込む
	var writeHead = res.writeHead;
	res.writeHead = function(code, headers) {
	for (var key in headers) {
	res.setHeader(key, headers[key]);
	}
	var type = res.getHeader('content-type');
	if (type && type.indexOf('/html') >= 0) {
	console.log('replace', req.url);
	var write = res.write;
	var script = "<script>"+userScripts+"</script>";
	res.write = function (data) {
	write.call(res, data.toString().replace("<head>", "<head>"+script));
	}
	}
	writeHead.call(res, code);
	}
	}

	httpProxy.createServer(function (req, res, proxy) {
	var url = require('url').parse(req.url);
	req.url = url.path;

	if (url.host.match(/mbga\.jp$/)) {
	filter(req, res);
	}

	proxy.proxyRequest(req, res, {
	host: url.host,
	port: url.port \|\| 80,
	});
	}).listen(9393);