Main.cs

using System;
using System.Windows.Forms;
using System.IO; //FileSystemWatcher
using Microsoft.WindowsAPICodePack.Dialogs;
using System.Net;
using Renci.SshNet;
using Renci.SshNet.Sftp;
using System.Diagnostics;

namespace Send_And_Delete
{
    public partial class Main : Form
    {
        public Main()
        {
            InitializeComponent();
            this.MaximizeBox = false;

            //중복실행방지
            Process[] processes = null;
            string CurrentProcess = Process.GetCurrentProcess().ProcessName.ToUpper();
            processes = Process.GetProcessesByName(CurrentProcess);
            if (processes.Length > 1)
            {
                MessageBox.Show("이미 SAD가 실행중입니다.\n작업표시줄 오른쪽 아이콘을 확인해보세요!", "파란대나무숲 SAD :(", MessageBoxButtons.OK, MessageBoxIcon.Error);
                //Application.Exit();
                Environment.Exit(0);
            }
        }

        private string IP;
        private bool Run = false, setup = false, ipf = false;
        private FileSystemWatcher watcher = new FileSystemWatcher();

        private string SelectFolder() //폴더 선택
        {
            CommonOpenFileDialog SF = new CommonOpenFileDialog();
            SF.IsFolderPicker = true; //폴더 지정
            SF.Title = "보낼 파일들이 있는 폴더";
            if (SF.ShowDialog() == CommonFileDialogResult.Ok) return SF.FileName; //폴더가 정상적으로 선택됐으면 지정
            return Properties.Settings.Default.Path;
        }

        private void TextBox_path_Click(object sender, EventArgs e)
        {
            if (!Run)
            {
                TextBox_path.Text = SelectFolder();
                Properties.Settings.Default.Path = TextBox_path.Text;
                Properties.Settings.Default.Save();
            }
            else MessageBox.Show("SAD가 폴더를 감시중입니다.\n감시를 해제한 후 다시 눌러보세요!", "파란대나무숲 SAD :(", MessageBoxButtons.OK, MessageBoxIcon.Warning);
        }

        private void Main_Load(object sender, EventArgs e)
        {
            try
            {
                WebClient wc = new WebClient();
                string new_ver = wc.DownloadString("http://sad.bbforest.net/ver.txt");
                ver.Text = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString();
                if (ver.Text != new_ver)
                {
                    DialogResult result = MessageBox.Show("업데이트가 있습니다! 업데이트 할까요?", "파란대나무숲 SAD :(", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
                    if (result == DialogResult.Yes)
                    {
                        wc.DownloadFile("http://sad.bbforest.net/sad.msi", Environment.GetEnvironmentVariable("temp") + "\\sad.msi");
                        Process.Start(Environment.GetEnvironmentVariable("temp") + "\\sad.msi");
                        Environment.Exit(0);
                    }
                }
            }
            catch (Exception)
            {
                ListBox($"[Error] 버전 확인 실패!");
            }

            TextBox_path.Text = Properties.Settings.Default.Path;
            Autodelete.Checked = Properties.Settings.Default.AD;
            AutoStart.Checked = Properties.Settings.Default.AutoRun;
            WindowsRun.Checked = Properties.Settings.Default.WinStart;
            ST_Tray.Checked = Properties.Settings.Default.ST_Tray;
            if (Properties.Settings.Default.ST_Tray)
            {
                this.Opacity = 0;
                this.ShowInTaskbar = false;
                Tray.Visible = true;
            }
            IP = new WebClient().DownloadString("http://ipinfo.io/ip").Trim();
            TextBox_URL.Text = "http://sad.bbforest.net?dir=" + IP;
            ListBox($"[SAD] 현재 설정");
            ListBox($"    설정 폴더 : {TextBox_path.Text}");
            ListBox($"    윈도우 시작시 자동 실행 : {WindowsRun.Checked}");
            ListBox($"    시작시 자동 감시 : {AutoStart.Checked}");
            ListBox($"    시작시 트레이로 : {ST_Tray.Checked}");
            ListBox($"    업로드 후 삭제 : {Autodelete.Checked}");
            ListBox($"    업로드 URL : {TextBox_URL.Text}");
            if (AutoStart.Checked) RunSet();
            Upload("","");
        }

        private void Tray_Click(object sender, EventArgs e)
        {
            this.Opacity = 1;
            this.ShowInTaskbar = true;
            Tray.Visible = false;
            this.WindowState = FormWindowState.Normal;
        }

        private void Button_start_Click(object sender, EventArgs e)
        {
            RunSet();
        }

        private void RunSet()
        {
            Run = !Run;
            ListBox($"[SAD] 감시 상태 : {Run}");
            if (Run == true)
            {
                FileWatcher();
            }
            else
            {
                watcher.EnableRaisingEvents = false;
                this.Text = "SAD(전송 및 삭제, Send And Delete)";
            }
        }

        private void Upload(string name, string link)
        {
            try
            {
                var protocol = new ConnectionInfo("Address", "ID", new PasswordAuthenticationMethod("ID", "PW"));
                var sftp = new SftpClient(protocol);
                // SFTP 서버 연결
                sftp.Connect();
                if (!ipf)
                {
                    try
                    {
                        sftp.CreateDirectory($"/upload/{IP}"); //폴더 생성 시도
                        ListBox($"[SAD] 서버에 폴더 생성");
                        ipf = true;
                        return;
                    }
                    catch (Exception)
                    {
                        ipf = true; //실패시 폴더가 이미 있는 것으로 간주
                        return;
                    }
                }
                using (var infile = File.Open(link, FileMode.Open))
                {
                    sftp.UploadFile(infile, $"/upload/{IP}/{name}"); //업로드
                }
                sftp.Disconnect();
                if (name != "index.php") ListBox($"[SAD] 업로드 완료 : {TextBox_URL.Text}/{name}");
                if(Autodelete.Checked) File.Delete(link); //자동삭제 체크시 삭제
            }
            catch (Exception)
            {
                ListBox($"[Error] 업로드 서버 연결 실패!");
            }
        }

        private void FileWatcher()
        {
            try
            {
                if (setup == false)
                {
                    setup = true;
                    watcher.Path = Properties.Settings.Default.Path;
                    watcher.NotifyFilter = NotifyFilters.FileName | NotifyFilters.Size;
                    watcher.Filter = "*.*";
                    watcher.IncludeSubdirectories = true;
                    watcher.Created += new FileSystemEventHandler(Event);
                    //watcher.Changed += new FileSystemEventHandler(Event);
                    watcher.Deleted += new FileSystemEventHandler(Event);
                    watcher.Renamed += new RenamedEventHandler(Rename);
                }
                watcher.EnableRaisingEvents = true;
                this.Text = "SAD(전송 및 삭제, Send And Delete) 감시중";
            }
            catch (Exception)
            {
                MessageBox.Show("폴더를 못 찾았어요. :(\n올바른 폴더를 지정해주세요.", "파란대나무숲 SAD :(", MessageBoxButtons.OK, MessageBoxIcon.Error);
                Run = false;
                ListBox($"[SAD] 감시 상태 : {Run}");
                this.Text = "SAD(전송 및 삭제, Send And Delete)";
                watcher.EnableRaisingEvents = false;
            }
        }

        private void Event(object source, FileSystemEventArgs e)
        {
            ListBox($"[FILE] {e.ChangeType} : {e.Name}");
            if (e.ChangeType.ToString() == "Created") Upload(e.Name, e.FullPath);
        }

        private void TextBox_URL_Click(object sender, EventArgs e)
        {
            Clipboard.SetText(TextBox_URL.Text);
            MessageBox.Show("복사되었습니다!", "파란대나무숲 Sad :(", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }

        private void Rename(object source, RenamedEventArgs e)
        {
            //string sub = e.FullPath.Replace(Properties.Settings.Default.Path, "");
            ListBox($"[FILE] 이름 변경 : {e.Name}");
        }

        private void Autodelete_Click(object sender, EventArgs e)
        {
            Properties.Settings.Default.AD = Autodelete.Checked;
            Properties.Settings.Default.Save();
            ListBox($"[SAD] 업로드 후 삭제 : {Autodelete.Checked}");
        }

        private void ListBox(string msg)
        {
            this.Invoke(new Action(delegate () {
                listBox.Items.Add(msg);
                listBox.SelectedIndex = listBox.Items.Count - 1;
                listBox.SelectedIndex = -1;
            }));
        }

        private void UploadView_Click(object sender, EventArgs e)
        {
            System.Diagnostics.Process.Start(TextBox_URL.Text);
        }

        private void AutoStart_Click(object sender, EventArgs e)
        {
            Properties.Settings.Default.AutoRun = AutoStart.Checked;
            Properties.Settings.Default.Save();
            ListBox($"[SAD] 시작시 자동 감시 : {AutoStart.Checked}");
        }

        private void WindowsRun_Click(object sender, EventArgs e)
        {
            Properties.Settings.Default.WinStart = WindowsRun.Checked;
            Properties.Settings.Default.Save();
            ListBox($"[SAD] 윈도우 시작시 자동 실행 : {WindowsRun.Checked}");
            if (WindowsRun.Checked) AddStartupProgram("net.bbforest.sad", Application.ExecutablePath);
            else if (!WindowsRun.Checked) RemoveStartupProgram("net.bbforest.sad");
        }

        private static readonly string _startupRegPath = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Run";

        private Microsoft.Win32.RegistryKey GetRegKey(string regPath, bool writable)
        {
            return Microsoft.Win32.Registry.CurrentUser.OpenSubKey(regPath, writable);
        }

        public void AddStartupProgram(string programName, string executablePath)
        {
            using (var regKey = GetRegKey(_startupRegPath, true))
            {
                try
                {
                    // 키가 이미 등록돼 있지 않을때만 등록
                    if (regKey.GetValue(programName) == null)
                        regKey.SetValue(programName, executablePath);

                    regKey.Close();
                }
                catch (Exception)
                {
                }
            }
        }

        private void ST_Tray_Click(object sender, EventArgs e)
        {
            Properties.Settings.Default.ST_Tray = ST_Tray.Checked;
            Properties.Settings.Default.Save();
            ListBox($"[SAD] 시작시 트레이로 : {ST_Tray.Checked}");
        }

        private void Main_Move(object sender, EventArgs e)
        {
            if (this.WindowState == FormWindowState.Minimized)
            {
                this.Opacity = 0;
                this.ShowInTaskbar = false;
                Tray.Visible = true;
            }
        }

        private void Main_FormClosing(object sender, FormClosingEventArgs e)
        {
            DialogResult result = MessageBox.Show("프로그램을 종료할까요?\n최소화를 누르면 트레이에서 동작해요!", "파란대나무숲 SAD :(", MessageBoxButtons.YesNo, MessageBoxIcon.Information);
            if (result == DialogResult.No) e.Cancel = true;
        }

        // 등록된 프로그램 제거
        public void RemoveStartupProgram(string programName)
        {
            using (var regKey = GetRegKey(_startupRegPath, true))
            {
                try
                {
                    // 키가 이미 존재할때만 제거
                    if (regKey.GetValue(programName) != null)
                        regKey.DeleteValue(programName, false);

                    regKey.Close();
                }
                catch (Exception)
                {
                }
            }
        }
    }
}