Add file to google drive

using Google.Apis.Auth.OAuth2;
using Google.Apis.Drive.v2;
using Google.Apis.Drive.v2.Data;
using Google.Apis.Services;
using Google.Apis.Util.Store;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace SyncDump
{
    class Program
    {
        /// <summary>
        /// 存取權限
        /// </summary>
        static string[] Scopes = { DriveService.Scope.Drive, DriveService.Scope.DriveFile };
        static string ApplicationName = "Drive Uploader";

        static void Main(string[] args)
        {
            // 檢查輸入參數
            if (args.Length < 1)
            {
                Console.WriteLine("No target file argument!");
                return;
            }

            // 要上傳的檔案
            string dumpPath = args[0];
            string dumpName = System.IO.Path.GetFileName(dumpPath);

            // 載入驗證資訊
            GoogleCredential credential;
            using (var stream = new System.IO.FileStream("client_secret.json", System.IO.FileMode.Open, System.IO.FileAccess.Read))
            {
                credential = GoogleCredential.FromStream(stream);
            }

            // 建立 service
            DriveService service = new DriveService(new BaseClientService.Initializer()
            {
                HttpClientInitializer = credential.CreateScoped(Scopes),
                ApplicationName = ApplicationName
            });
            
            // 進行上傳
            insertFile(
                service,
                dumpName,
                dumpName,
                System.Configuration.ConfigurationManager.AppSettings["drive.folder.id"],
                "application/oct-stream",
                dumpPath
            );
        }

        /// <summary>
        /// 新增檔案
        /// </summary>
        /// <param name="service">Drive API service instance.</param>
        /// <param name="title">Title of the file to insert, including the extension.</param>
        /// <param name="description">Description of the file to insert.</param>
        /// <param name="parentId">Parent folder's ID.</param>
        /// <param name="mimeType">MIME type of the file to insert.</param>
        /// <param name="filename">Filename of the file to insert.</param><br>  /// <returns>Inserted file metadata, null is returned if an API error occurred.</returns>
        private static File insertFile(DriveService service, string title, string description, string parentId, string mimeType, string filename)
        {
            // 檔案資訊
            File body = new File();
            body.Title = title;
            body.Description = description;
            body.MimeType = mimeType;

            // 設定上傳位置
            if (!string.IsNullOrEmpty(parentId))
            {
                body.Parents = new List<ParentReference>() { new ParentReference() { Id = parentId } };
            }

            // 檔案內容
            byte[] byteArray = System.IO.File.ReadAllBytes(filename);
            System.IO.MemoryStream stream = new System.IO.MemoryStream(byteArray);
            try
            {
                FilesResource.InsertMediaUpload request = service.Files.Insert(body, stream, mimeType);
                request.Upload();

                File file = request.ResponseBody;

                Console.WriteLine("{0:yyyy/MM/dd HH:mm:ss} File {1} is uploaded to drive", DateTime.Now, file.Title);

                return file;
            }
            catch (Exception e)
            {
                Console.WriteLine("An error occurred: " + e.Message);
                return null;
            }
        }
    }
}