dataUplod.swift

    static func uploadData(endpoint: NSURL, binaryData: NSData,
        boundary: String = "defaultBoundary", data: Dictionary<String, AnyObject>? = nil, done: ((NSError?, JSON) -> Void)? = nil)
    {
        // create url request to send
        let mutableURLRequest = NSMutableURLRequest(URL: endpoint)
        mutableURLRequest.HTTPMethod = "PUT"
        
        let boundaryConstant = boundary;
        let contentType = "multipart/form-data;boundary="+boundaryConstant
        mutableURLRequest.setValue(contentType, forHTTPHeaderField: "Content-Type")
        
        // create upload data to send
        let uploadData = NSMutableData()
        
        // add image
        uploadData.appendData("\r\n--\(boundaryConstant)\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
        uploadData.appendData("Content-Disposition: form-data; name=\"image\"; filename=\"file.png\"\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
        uploadData.appendData("Content-Type: image/png\r\n\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
        uploadData.appendData(binaryData)
        
        // add parameters
        if let params = data {
            for (key, value) in params {
                uploadData.appendData("\r\n--\(boundaryConstant)\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
                uploadData.appendData("Content-Disposition: form-data; name=\"\(key)\"\r\n\r\n\(value)".dataUsingEncoding(NSUTF8StringEncoding)!)
            }
        }
        uploadData.appendData("\r\n--\(boundaryConstant)--\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
        
        mutableURLRequest.HTTPBody = uploadData
        
        NSURLConnection.sendAsynchronousRequest(mutableURLRequest, queue: NSOperationQueue.mainQueue()) {(response, data, error) in
            //TOOD: add completion
        }
    }