C# 네이버 메일 이미지 업로드 코드

예외처리는 하나도 하지 않았습니다. 손봐야 할부분이 몇군데 있는것 같지만 그냥 올립니다.

public static string NaverImageUpload(string path, CookieContainer cookie)
{
    HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://mail.naver.com/write/image/upload");
    FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read);
    byte[] data = new byte[fs.Length];
    fs.Read(data, 0, data.Length); fs.Close();
            
    Stream DataStream = new MemoryStream();
    string boundary = "-----------------------------36932931913641";
    string postData = boundary + "\r\nContent-Disposition: form-data; name=\"attachID\"\r\n\r\ncmbZKAKwKAUTFob9BqvmbXErW4kd7qM9FoK-FxgdFqtZKh..";
    postData += "\r\n" + boundary + "\r\nContent-Disposition: form-data; name=\"file\"; filename=\"" + Path.GetFileName(path) + "\"\r\nContent-Type: image/png\r\n\r\n";
    string footer = "\r\n-----------------------------36932931913641--\r\n";
    DataStream.Write(Encoding.UTF8.GetBytes(postData), 0, Encoding.UTF8.GetByteCount(postData));
    DataStream.Write(data, 0, data.Length);
    DataStream.Write(Encoding.UTF8.GetBytes("\r\n"), 0, 2);
    DataStream.Write(Encoding.UTF8.GetBytes(footer), 0, Encoding.UTF8.GetByteCount(footer));

    DataStream.Position = 0;
    byte[] formData = new byte[DataStream.Length];
    DataStream.Read(formData, 0, formData.Length); DataStream.Close();

    request.Method = "POST";
    request.ContentType = "multipart/form-data; boundary=---------------------------36932931913641";
    request.Referer = "http://mail.naver.com/iframe/upload/html/attachPhoto.html";
    request.ContentLength = formData.Length;
    request.CookieContainer = cookie;

    using (Stream requestStream = request.GetRequestStream())
    {
        requestStream.Write(formData, 0, formData.Length);
        requestStream.Close();
    }

    HttpWebResponse response = (HttpWebResponse)request.GetResponse();
    Stream resStream = response.GetResponseStream();
    StreamReader readStream = new StreamReader(resStream, Encoding.Default);
    string result = readStream.ReadToEnd();

    readStream.Close();
    resStream.Close();
    return "http://mail.naver.com/write/image/path/?attachID=cmbZKAKwKAUTFob9BqvmbXErW4kd7qM9FoK-FxgdFqtZKh..&cid=" + Regex.Split(result, "cid : \"(.+?)\"")[1];
}