Appcelerator + Cloudinary + Image Upload

upload.js

//CREATE WINDOW
var win = Ti.UI.createWindow({
    title: 'Upload',
    backgroundColor: '#FFF',
    fullscreen: true,
    navBarHidden: true
});


//PHOTO VIEW CONTAINER
var photoView = Ti.UI.createImageView({
    top: 10,
    width: 120,
    height: 120,
    backgroundColor: '#000'
});


//CLICK PHOTO VIEW LISTENER
photoView.addEventListener('click', function(e) {
    openGallery();
});



//OPEN GALLERY
function openGallery() {

    Ti.Media.openPhotoGallery({

        success: function(event) {
            var image = event.media;
            photoView.setImage(image);
            uploadPhoto(image);
        },

        //IPHONE ONLY
        allowEditing: true,
        animate: true,
        autoHide: true,
        mediaTypes: [Ti.Media.MEDIA_TYPE_PHOTO]
    });

//END GALLERY
}


//UPLOAD PHOTO
function uploadPhoto(file) {

    //KEYS        
    function keys(obj) {
        var keys = [];
        for (var key in obj) {
            if (obj.hasOwnProperty(key)) {
                keys.push(key);
            }
        }
        return keys;
    }


    //SIGNATURE
    function sign_params(params, secret) {
        var sorted_keys = keys(params).sort();
        var parts = [];
        for (var i = 0; i < sorted_keys.length; i++) {
            var key = sorted_keys[i];
            var value = params[key];
            if (value && value !== '') {
                parts.push("" + key + "=" + value);
            }
        }
        
        var str_to_sign = parts.join("&");
        return Ti.Utils.sha1(str_to_sign + secret);

    }

    //VARS
    var photoID = "sample2";
    var key = "12345678910";
    var secret = "sOmeK1NdofS3CreTw0Rd";
    var timestamp = Math.round(new Date().getTime() / 1000);
    var params = {
        timestamp: timestamp,
        public_id: photoID
    };
    var signature = sign_params(params, secret);
    var uploadURL = "http://api.cloudinary.com/v1_1/yourSite/image/upload?api_key=" + key + "&signature=" + signature;

    //DATA
    var data = {
        "timestamp": timestamp,
        "public_id": photoID,
        "file": file,
        "signature": signature
    }

    //UPLOAD IMAGE
    var xhr = Ti.Network.createHTTPClient();

    xhr.onload = function() {
        Ti.API.log(this.responseText);
    };

    xhr.onerror = function(e) {
        Ti.API.log('Upload Error  => ' + e.error);
    };

    xhr.open("POST", uploadURL);
    xhr.send(data);



//END UPLOAD    
}


//ADD PHOTOVIEW
win.add(photoView);​