[الشاكي لله]

[b]ثامنا :- التعامل مع FTP من خلال الطلبات


[COLOR="#800000"]التعامل مع سيرفرات FTP مثله كمثل الويب العادي

ولكن بدل استخدام HttpWebReauset يتم استعمال

FtpWebRequset لهذا الغرض ، ويوجد برتوكولات

خاصة غير POST, GET ,HEAD ...etc[/COLOR]

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البروتوكولات الموجودة للFtpWebRequset هي :



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[COLOR="#2F4F4F"]وهذي class عملتها فيها اجرائات تستعمل طلبات ftp مثل Upload file , Download

سامحوني ردائة تصميم الكلاس فأنا كتبتها على السريع :[/COLOR]

PHP كود :

//All Copyright to Alshki LLah
    /// <summary>
    /// by this class you can use many function to manage your ftp host
    /// </summary>
    class FTPManger
    {
        const string FILE_PATTERN = "-rw-r--r--";
        const string FOLDER_PATTERN = "drwxr-xr-x";
        public string _host;
        string _user, _pass;
        RichTextBox _statusTextBox = null;


        bool IsConnected { get; set; }

        public FTPManger(string ftpHost, string username, string password  , RichTextBox statusTextBox)
        {
            _host = ftpHost;
            _user = username;
            _pass = password;
            this._statusTextBox = statusTextBox;

        }

        public enum GetFileMode
        {
            File,Folder
        }

        void setStatus(string text)
        {
            _statusTextBox.Text += text;
            _statusTextBox.SelectionStart = _statusTextBox.Text.Length;
            _statusTextBox.ScrollToCaret();
        }

        #region "Getfiles"

        public bool TryConnect()
        {
            FtpWebRequest ftpReq = (FtpWebRequest)WebRequest.Create(_host);
            ftpReq.Credentials = new NetworkCredential(_user, _pass);
            ftpReq.Method = WebRequestMethods.Ftp.ListDirectoryDetails;

            FtpWebResponse response =null;
            try
            {
                response = (FtpWebResponse)ftpReq.GetResponse();
                Stream responseStream = response.GetResponseStream();
                StreamReader reader = new StreamReader(responseStream);


                IsConnected = true;
                setStatus("\n" + "Connected OK , status code : " + response.StatusDescription);
                return true;
            }
            catch
            {
                IsConnected = false;
                _statusTextBox.Text += "\n" + "Error while connecting";
                return false;
            }
        }


        public void getAllFilesAndFolder(ListView filesList)
        {
            filesList.Items.Clear();
            //get file
            foreach (string file in GetFiles(FTPManger.GetFileMode.File))
            {
                filesList.Items.Add(file).SubItems.Add("File");
            }
            //get folder
            foreach (string folder in GetFiles(FTPManger.GetFileMode.Folder))
            {
                filesList.Items.Add(folder).SubItems.Add("Folder");
            }
        }


        public IEnumerable GetFiles(GetFileMode mode)
        {
            FtpWebRequest ftpReq = (FtpWebRequest)WebRequest.Create(_host);
            ftpReq.Credentials = new NetworkCredential(_user, _pass);
            ftpReq.Method = WebRequestMethods.Ftp.ListDirectoryDetails;

            FtpWebResponse response = (FtpWebResponse) ftpReq.GetResponse();
            Stream responseStream = response.GetResponseStream();
            StreamReader reader = new StreamReader(responseStream);  

            while (!reader.EndOfStream)
            {
                string data = reader.ReadLine();
                string[] files = data.Split(' ');

                //اذا كان المحتوى الحالي عبارة عن ملف
                if (files[0] == FILE_PATTERN && mode == GetFileMode.File)
                {
                    for (int i = 0; i < files.Length; i++)
                    {
                        if (files[i].Contains(":"))
                        {
                            string str = "";
                            for (int q = i + 1; q < files.Length; q++)
                            {
                                str += " " + files[q];
                            }
                            yield return str.Trim();
                        }
                    }
                }

                if (files[0] == FOLDER_PATTERN && mode == GetFileMode.Folder)
                {
                    for (int i = 0; i < files.Length; i++)
                    {
                        if (files[i].Contains(":"))
                        {
                            string str = "";
                            for (int q = i + 1; q < files.Length; q++)
                            {
                                str += " " + files[q];
                            }
                            yield return str.Trim();
                        }
                    }
                }

            }
        }

        #endregion

        #region "upload"

        public void UploadFile(string FTPnewfileName ,string filePath)
        {
            if (IsConnected)
            {
                FtpWebRequest ftpReq = (FtpWebRequest)WebRequest.Create(_host + "/" + FTPnewfileName);
                ftpReq.Credentials = new NetworkCredential(_user, _pass);
                ftpReq.Method = WebRequestMethods.Ftp.UploadFile;

                byte[] data = System.IO.File.ReadAllBytes(filePath);

                ftpReq.ContentLength = data.Length;
                System.IO.Stream st = ftpReq.GetRequestStream();
                st.Write(data, 0, data.Length);
                st.Close();

                FtpWebResponse response = null;
                try
                {
                    response = (FtpWebResponse)ftpReq.GetResponse();
                    setStatus( "\n\n\n" + "Upload File Complete, status : " + response.StatusDescription);
                }
                catch
                {
                    setStatus( "\n\n\n"+ "Upload File Faild");
                }
            }
            else
            {
                setStatus("\n\n\n"+"Not Connected!!");
            }
        }
        #endregion

        #region "download"
        public void DownloadFile(string ftpFilePath , string localDestinationFilePath)
        {
            if (IsConnected)
            {
                int bytesRead = 0;
                byte[] buffer = new byte[999]; //مخزن البايت

                FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftpFilePath);
                request.Credentials = new NetworkCredential(_user, _pass);
                request.Method = WebRequestMethods.Ftp.DownloadFile;

                FtpWebResponse response = (FtpWebResponse)request.GetResponse();
                Stream reader = response.GetResponseStream();
                FileStream fileStream = new FileStream(localDestinationFilePath, FileMode.OpenOrCreate);

                try
                {
                    while (true)
                    {
                        bytesRead = reader.Read(buffer, 0, buffer.Length);

                        if (bytesRead == 0)
                            break;

                        fileStream.Write(buffer, 0, bytesRead);
                    }
                    fileStream.Close();
                    setStatus( "\n\n\n" + "Downloaded Completed!!");
                }
                catch { setStatus( "\n\n\n" + "Download file filed"); }
            }
            else
            {
                setStatus("Not Connected!!");
            }
        }
        #endregion

        #region "delete folder"
        public void DeleteFolder(string folderURL)
        {
            if (IsConnected)
            {
                FtpWebRequest ftpReq = (FtpWebRequest)WebRequest.Create(folderURL);
                ftpReq.Credentials = new NetworkCredential(_user, _pass);
                ftpReq.Method = WebRequestMethods.Ftp.RemoveDirectory;
                ftpReq.KeepAlive = true;

                try
                {
                    FtpWebResponse ftpRes = (FtpWebResponse)ftpReq.GetResponse();
                    setStatus("\n\n\n" + "Folder Deleted!!");
                }
                catch
                {
                    setStatus("\n\n\n" + "Cannot delete folder");
                }
            }
            else
            {
                setStatus("\n\n\n" + "Not Connected!!");
            }
        }

        #endregion

        #region delete file


        public void DeleteFile(string fileURL)
        {
            if (IsConnected)
            {
                FtpWebRequest ftpReq = (FtpWebRequest)WebRequest.Create(fileURL);
                ftpReq.Credentials = new NetworkCredential(_user, _pass);
                ftpReq.Method = WebRequestMethods.Ftp.DeleteFile;

                try
                {
                    FtpWebResponse response = (FtpWebResponse)ftpReq.GetResponse();
                    setStatus("\n\n\n" + "Deleting File Complete, status : " + response.StatusDescription);
                }
                catch
                {
                    setStatus( "\n\n\n" + "Cannot delete file");
                }

            }
            else
            {
                setStatus("\n\n\n" + "Not Connected!!");
            }
        }
        #endregion

        #region rename file


        public void renemeFile(string fileURL,string renemeTo)
        {
            if (IsConnected)
            {
                FtpWebRequest ftpReq = (FtpWebRequest)WebRequest.Create(fileURL);
                ftpReq.Credentials = new NetworkCredential(_user, _pass);
                ftpReq.Method = WebRequestMethods.Ftp.Rename;
                ftpReq.RenameTo = renemeTo;

                try
                {
                    FtpWebResponse response = (FtpWebResponse)ftpReq.GetResponse();
                    setStatus("\n\n\n" + "Renamed File Complete, status : " + response.StatusDescription);
                }
                catch
                {
                    setStatus("\n\n\n" + "Cannot rename file");
                }

            }
            else
            {
                setStatus("\n\n\n" + "Not Connected!!");
            }
        }
        #endregion

        #region "make folder"
        public void MakeFolder(string folderURL)
        {
            if (IsConnected)
            {
                FtpWebRequest ftpReq = (FtpWebRequest)WebRequest.Create(folderURL);
                ftpReq.Credentials = new NetworkCredential(_user, _pass);
                ftpReq.Method = WebRequestMethods.Ftp.MakeDirectory;

                try
                {
                    FtpWebResponse response = (FtpWebResponse)ftpReq.GetResponse();
                    setStatus("\n\n\n" + "Folder created !!!, status : " + response.StatusDescription);
                }
                catch
                {
                    setStatus( "\n\n\n" + "Cannot create folder");
                }

            }
            else
            {
                setStatus( "\n\n\n" + "Not Connected!!");
            }
        }

        #endregion

    } 


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وهذا المثال :




لاحظ انا عملت هوست ftp خاص عشان تجربو عليه



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التحميل في المرفقات

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[/b]