I have a host for my web site and this host have not enough space for my file and I get another host to save my file in this host I have ftp adress and username and pass
I find this code
FtpWebRequest request = (FtpWebRequest)WebRequest.Create("ftp://www.contoso.com/test.htm");
request.Method = WebRequestMethods.Ftp.UploadFile;
// This example assumes the FTP site uses anonymous logon.
request.Credentials = new NetworkCredential ("anonymous","janeDoe#contoso.com");
but
how i can upload my file to another host with ftp and get url place of save file?
you choose the path where you upload to ftp appending directories to the FTP address:
string CompleteDPath = "ftp://yourFtpHost/folder1/folder2/";
string FileName = "yourfile.txt";
And here you have a working example I found once:
WebRequest reqObj = WebRequest.Create(CompleteDPath + FileName);
The following script work great with me for uploading files and videos to another servier via ftp.
FtpWebRequest ftpClient = (FtpWebRequest)FtpWebRequest.Create(ftpurl + "" + username + "_" + filename);
ftpClient.Credentials = new System.Net.NetworkCredential(ftpusername, ftppassword);
ftpClient.Method = System.Net.WebRequestMethods.Ftp.UploadFile;
ftpClient.UseBinary = true;
ftpClient.KeepAlive = true;
System.IO.FileInfo fi = new System.IO.FileInfo(fileurl);
ftpClient.ContentLength = fi.Length;
byte[] buffer = new byte[4097];
int bytes = 0;
int total_bytes = (int)fi.Length;
System.IO.FileStream fs = fi.OpenRead();
System.IO.Stream rs = ftpClient.GetRequestStream();
while (total_bytes > 0)
{
bytes = fs.Read(buffer, 0, buffer.Length);
rs.Write(buffer, 0, bytes);
total_bytes = total_bytes - bytes;
}
//fs.Flush();
fs.Close();
rs.Close();
FtpWebResponse uploadResponse = (FtpWebResponse)ftpClient.GetResponse();
value = uploadResponse.StatusDescription;
uploadResponse.Close();
Extracted from here:
Upload file on ftp
Related
This question already has an answer here:
Archive or image is corrupted after uploading to FTP and downloading back with FtpWebRequest
(1 answer)
Closed 5 years ago.
hello i have this code to upload image or word file through c# by using ftp.
the code works fine it uploads the file to ftp but file goes corrupted after uploading please advice what is wrong in this thanks
//FTP Server URL.
string ftp = "ftp://ftpip/";
//FTP Folder name. Leave blank if you want to upload to root folder.
string ftpFolder = "folder path to upload";
byte[] fileBytes = null;
//Read the FileName and convert it to Byte array.
string fileName = Path.GetFileName(FileUpload1.FileName);
using (StreamReader fileStream = new StreamReader(FileUpload1.PostedFile.InputStream))
{
fileBytes = Encoding.UTF8.GetBytes(fileStream.ReadToEnd());
fileStream.Close();
}
try
{
//Create FTP Request.
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftp + ftpFolder + fileName);
request.Method = WebRequestMethods.Ftp.UploadFile;
//Enter FTP Server credentials.
request.Credentials = new NetworkCredential("ftpuser", "ftppassowrd");
request.ContentLength = fileBytes.Length;
request.UsePassive = true;
request.UseBinary = true;
request.ServicePoint.ConnectionLimit = fileBytes.Length;
request.EnableSsl = false;
using (Stream requestStream = request.GetRequestStream())
{
requestStream.Write(fileBytes, 0, fileBytes.Length);
requestStream.Close();
}
FtpWebResponse response = (FtpWebResponse)request.GetResponse();
lblMessage.Text += fileName + " uploaded.<br />";
response.Close();
}
catch (WebException ex)
{
throw new Exception((ex.Response as FtpWebResponse).StatusDescription);
}
You could use BinaryReader instead of getting the bytes as UTF8 encoding. You should change it;
using (StreamReader fileStream = new StreamReader(FileUpload1.PostedFile.InputStream))
{
fileBytes = Encoding.UTF8.GetBytes(fileStream.ReadToEnd());
fileStream.Close();
}
to
FileUpload1.PostedFile.InputStream.Seek(0, SeekOrigin.Begin);
using (var binaryReader = new BinaryReader(FileUpload1.PostedFile.InputStream))
{
fileBytes = binaryReader.ReadBytes(FileUpload1.PostedFile.ContentLength);
}
I wrote below function to upload file to ftp.it's working properly but i need to get uploaded file name.I think ftp server should write file name in response,am i right?
public static string UploadFileToFTP(string source,string destination)
{
string filename = Path.GetFileName(source);
string ftpfullpath = #ConfigurationManager.AppSettings["ftp_url"].ToString();
FtpWebRequest ftp = (FtpWebRequest)FtpWebRequest.Create(ftpfullpath+#destination);
ftp.Credentials = new NetworkCredential(ConfigurationManager.AppSettings["ftp_user"].ToString(), ConfigurationManager.AppSettings["ftp_pass"].ToString());
string[] jj = ftp.Headers.GetValues(0);
ftp.KeepAlive = true;
ftp.UseBinary = true;
ftp.Method = WebRequestMethods.Ftp.UploadFileWithUniqueName;
FileStream fs = File.OpenRead(#source);
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
fs.Close();
Stream ftpstream = ftp.GetRequestStream();
ftpstream.Write(buffer, 0, buffer.Length);
ftpstream.Close();
FtpWebResponse response = (FtpWebResponse)ftp.GetResponse();
return ConfigurationManager.AppSettings["ftp_http_url"].ToString() + #destination + "/" + response.ToString();//response.?
}
You just need to read the Response stream
string fileName = new StreamReader(response.GetResponseStream()).ReadToEnd();
Or better
string fileName;
using(s = new StreamReader(response.GetResponseStream())) {
fileName = s.ReadToEnd();
}
I'm not sure why you're going all "bare" and using FtpWebRequest, this can be resolved with three LOC using WebClient, which returns a byte[] response:
using (WebClient webClient = new WebClient())
{
webClient.Credentials = new NetworkCredential(
ConfigurationManager.AppSettings["ftp_user"].ToString(),
ConfigurationManager.AppSettings["ftp_pass"].ToString());
byte[] response = webClient.UploadFile("ftp://address.toserver.com",
WebRequestMethods.Ftp.UploadFileWithUniqueName,
"PathToLocalFile");
var fileName = Encoding.UTF8.GetString(response);
}
how to save stream data as image in ftp server?
FileInfo fileInf = new FileInfo("1" + ".jpg");
string uri = "ftp://" + "hostip//Data//" + fileInf.Name;
FtpWebRequest reqFTP;
// Create FtpWebRequest object from the Uri provided
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(
"ftp://" + "ipaddress//Data//" + fileInf.Name));
// Provide the WebPermission Credintials
reqFTP.Credentials = new NetworkCredential("username",
"password");
// By default KeepAlive is true, where the control connection is
// not closed after a command is executed.
reqFTP.KeepAlive = false;
// Specify the command to be executed.
reqFTP.Method = WebRequestMethods.Ftp.UploadFile;
// Specify the data transfer type.
reqFTP.UseBinary = true;
// Notify the server about the size of the uploaded file
//reqFTP.ContentLength = fileInf.Length; ???
using (var img = Image.FromStream(image))
{
img.Save(adduser.User_Id + ".jpg", ImageFormat.Jpeg);
}
can u please tell me.
You need to get the data (the image) into a byte array and then send that. The FtpWebRequest.GetResponse documentation example shows the basics, although it's appending a file. Everything else is relevant to what you're doing (you'd replace the append with upload file).
To get the image into a byte array, you can write:
byte[] imageBuffer = File.ReadAllBytes(imageFileName);
Everything else should be very similar to the documentation example.
Here are sample code for Download file from FTP Server
Uri url = new Uri("ftp://ftp.demo.com/Image1.jpg");
if (url.Scheme == Uri.UriSchemeFtp)
{
FtpWebRequest objRequest = (FtpWebRequest)FtpWebRequest.Create(url);
//Set credentials if required else comment this Credential code
NetworkCredential objCredential = new NetworkCredential("FTPUserName", "FTPPassword");
objRequest.Credentials = objCredential;
objRequest.Method = WebRequestMethods.Ftp.DownloadFile;
FtpWebResponse objResponse = (FtpWebResponse)objRequest.GetResponse();
StreamReader objReader = new StreamReader(objResponse.GetResponseStream());
byte[] buffer = new byte[16 * 1024];
int len = 0;
FileStream objFS = new FileStream(Server.MapPath("Image1.jpg"), FileMode.Create, FileAccess.Write, FileShare.Read);
while ((len = objReader.BaseStream.Read(buffer, 0, buffer.Length)) != 0)
{
objFS.Write(buffer, 0, len);
}
objFS.Close();
objResponse.Close();
}
How can I rename the file to a timestamp or random unique number before it is actually ftped to the server?
example: if i select C:\taco.pdf ..... 1321981871.pdf is actually what would be ftp'd to the server.
FileInfo toUpload = new FileInfo(this.txtFile.Text);
FtpWebRequest request =
(FtpWebRequest)WebRequest.Create(
"ftp://192.168.0.186" + "/" + toUpload.Name
);
request.Method = WebRequestMethods.Ftp.UploadFile;
request.Credentials =
new NetworkCredential("myuser","mypassword");
Stream ftpStream = request.GetRequestStream();
FileStream file = File.OpenRead(this.txtFile.Text);
int length = 1024;
byte[] buffer = new byte[length];
int bytesRead = 0;
do
{
bytesRead = file.Read(buffer, 0, length);
ftpStream.Write(buffer, 0, bytesRead);
}
while (bytesRead != 0);
file.Close();
ftpStream.Close();
If you just want the file uploaded with a different name without renaming it locally, couldn't you just change
FtpWebRequest request =
(FtpWebRequest)WebRequest.Create(
"ftp://192.168.0.186" + "/" + toUpload.Name
);
to
FtpWebRequest request =
(FtpWebRequest)WebRequest.Create(
"ftp://192.168.0.186/whatever file name you want");
?
Use FileInfo.MoveTo:
toUpload.MoveTo(newName);
The following code is good for uploading text files, but it fails to upload JPEG files (not completely - the file name is good but the image is corrupted):
private void up(string sourceFile, string targetFile)
{
try
{
string ftpServerIP = ConfigurationManager.AppSettings["ftpIP"];
string ftpUserID = ConfigurationManager.AppSettings["ftpUser"];
string ftpPassword = ConfigurationManager.AppSettings["ftpPass"];
//string ftpURI = "";
string filename = "ftp://" + ftpServerIP + "//" + targetFile;
FtpWebRequest ftpReq = (FtpWebRequest)WebRequest.Create(filename);
ftpReq.Method = WebRequestMethods.Ftp.UploadFile;
ftpReq.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
StreamReader stream = new StreamReader(sourceFile);
Byte[] b = System.Text.Encoding.UTF8.GetBytes(stream.ReadToEnd());
stream.Close();
ftpReq.ContentLength = b.Length;
Stream s = ftpReq.GetRequestStream();
s.Write(b, 0, b.Length);
s.Close();
System.Net.FtpWebResponse ftpResp = (FtpWebResponse)ftpReq.GetResponse();
MessageBox.Show(ftpResp.StatusDescription);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
I have another solution that can upload a file:
private void Upload(string sourceFile, string targetFile)
{
string ftpUserID;
string ftpPassword;
string ftpServerIP;
ftpServerIP = ConfigurationManager.AppSettings["ftpIP"];
ftpUserID = ConfigurationManager.AppSettings["ftpUser"];
ftpPassword = ConfigurationManager.AppSettings["ftpPass"];
FileInfo fileInf = new FileInfo(sourceFile);
FtpWebRequest reqFTP;
// Create FtpWebRequest object from the Uri provided
reqFTP = (FtpWebRequest)(FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP + "//" + targetFile)));
// Provide the WebPermission Credintials
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
// Bypass default lan settings
reqFTP.Proxy = null;
// By default KeepAlive is true, where the control connection is not closed
// after a command is executed.
reqFTP.KeepAlive = false;
// Specify the command to be executed.
reqFTP.Method = WebRequestMethods.Ftp.UploadFile;
// Specify the data transfer type.
reqFTP.UseBinary = true;
// Notify the server about the size of the uploaded file
reqFTP.ContentLength = fileInf.Length;
// The buffer size is set to 2kb
int buffLength = 2048;
Byte[] buff;
buff = new byte[buffLength];
int contentLen;
// Opens a file stream (System.IO.FileStream) to read the file to be uploaded
FileStream fs = fileInf.OpenRead();
try
{
// Stream to which the file to be upload is written
Stream strm = reqFTP.GetRequestStream();
// Read from the file stream 2kb at a time
long filesize = fs.Length;
int i=0;
contentLen = fs.Read(buff, 0, buffLength);
// Till Stream content ends
while (contentLen != 0)
{
Application.DoEvents();
// Write Content from the file stream to the FTP Upload Stream
strm.Write(buff, 0, contentLen);
contentLen = fs.Read(buff, 0, buffLength);
i = i + 1;
//Double percentComp = (i * buffLength) * 100 / filesize;
//ProgressBar1.Value = (int)percentComp;
}
// Close the file stream and the Request Stream
strm.Close();
fs.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Upload Error");
}
}
But here I have the opposite problem - the picture is good, but the file name is corrupted.
I know it is because of the encoding, but I don't know how to make the bytes array have the desired encoding...
Try this bit:
private static void up(string sourceFile, string targetFile)
{
try
{
string ftpServerIP = ConfigurationManager.AppSettings["ftpIP"];
string ftpUserID = ConfigurationManager.AppSettings["ftpUser"];
string ftpPassword = ConfigurationManager.AppSettings["ftpPass"];
////string ftpURI = "";
string filename = "ftp://" + ftpServerIP + "//" + targetFile;
FtpWebRequest ftpReq = (FtpWebRequest)WebRequest.Create(filename);
ftpReq.UseBinary = true;
ftpReq.Method = WebRequestMethods.Ftp.UploadFile;
ftpReq.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
byte[] b = File.ReadAllBytes(sourceFile);
ftpReq.ContentLength = b.Length;
using (Stream s = ftpReq.GetRequestStream())
{
s.Write(b, 0, b.Length);
}
FtpWebResponse ftpResp = (FtpWebResponse)ftpReq.GetResponse();
if (ftpResp != null)
{
MessageBox.Show(ftpResp.StatusDescription);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
You should be using a Stream to read binary files, not a StreamReader. StreamReader is designed to read text files only.
In your first code example, enable binary transfer: FtpWebRequest.UseBinary = true. Otherwise it will convert what it thinks are textual line endings between the various platform conventions (but are actually part of the image).
Your second snippet does it the right way. It uses FileStream, not StreamReader. StreamReader is only suitable for text files.
System.Text.Encoding.UTF8.GetBytes(stream.ReadToEnd());
Don't do this unless your stream's contents are text. Change your function to accept a boolean parameter "binary", and use the latter, working method if that flag is set.
If you have this problem: The requested FTP command is not supported when using HTTP
you need set proxy in Null or Nothing.
ftpReq.Proxy = null;
You can see this blog.
http://mycodetrip.com/2008/10/29/fix-for-error-the-requested-ftp-command-is-not-supported-when-using-http-proxy_118/comment-page-1/#comment-2825
Thanks.