public override void Disconnect()
{
try
{
if (_fileDestination != null)
{
_fileDestination.Disconnect();
_fileDestination.Dispose();
_fileDestination = null;
}
}
catch (Exception ex)
{
WebPublishMessage message = WebPublishUtils.ExceptionToErrorMessage(ex);
throw new BlogClientFileTransferException("disconnecting from file destination", message.Text, message.Title);
}
}
public override Uri DoUploadWorkBeforePublish(IFileUploadContext uploadContext)
{
try
{
ConnectForUpload();
string uploadPath = uploadContext.Settings.GetString(UPLOAD_PATH, null);
bool overwrite = uploadPath != null;
if (uploadPath == null)
{
string uploadFolder = null;
string fileName = uploadContext.PreferredFileName;
string filePath = uploadContext.FormatFileName(fileName);
string[] pathParts = filePath.Split('/');
if (pathParts.Length > 1)
{
uploadFolder = FileHelper.GetValidAnsiFileName(pathParts[0]);
for (int i = 1; i < pathParts.Length - 1; i++)
{
uploadFolder = uploadFolder + "/" + FileHelper.GetValidAnsiFileName(pathParts[i]);
}
}
fileName = FileHelper.GetValidAnsiFileName(pathParts[pathParts.Length - 1]);
uploadPath = _fileDestination.CombinePath(uploadFolder, fileName);
if (_fileDestination.FileExists(uploadPath))
{
string fileBaseName = Path.GetFileNameWithoutExtension(fileName);
string fileExtension = Path.GetExtension(fileName);
try
{
Hashtable existingFiles = new Hashtable();
foreach (string name in _fileDestination.ListFiles(uploadFolder))
{
existingFiles[name] = name;
}
for (int i = 3; i < Int32.MaxValue && existingFiles.ContainsKey(fileName); i++)
{
fileName = FileHelper.GetValidAnsiFileName(fileBaseName + "_" + i + fileExtension);
}
}
catch (Exception e)
{
Debug.Fail("Error while calculating unique filename", e.ToString());
}
uploadPath = _fileDestination.CombinePath(uploadFolder, fileName);
if (_fileDestination.FileExists(uploadPath))
{
Debug.Fail("Failed to calculate unique filename");
fileName = FileHelper.GetValidAnsiFileName(fileBaseName + Guid.NewGuid().ToString() + fileExtension);
uploadPath = _fileDestination.CombinePath(uploadFolder, fileName);
}
}
}
// transfer the file
_fileDestination.DoTransfer(
uploadContext.GetContentsLocalFilePath(),
uploadPath,
overwrite);
uploadContext.Settings.SetString(UPLOAD_PATH, uploadPath);
// return the url to the transferred file
string baseUrl = UrlHelper.InsureTrailingSlash(_settings.UrlMapping);
string relativeUrl = uploadPath;
return(new Uri(UrlHelper.UrlCombine(baseUrl, relativeUrl)));
}
catch (Exception ex)
{
WebPublishMessage message = WebPublishUtils.ExceptionToErrorMessage(ex);
throw new BlogClientFileTransferException(new FileInfo(uploadContext.GetContentsLocalFilePath()), message.Title, message.Text);
}
}
private void ConnectForUpload()
{
if (_fileDestination == null)
{
try
{
bool loggedIn = false;
FtpCredentials credentials = (FtpCredentials)_credentials[DestinationContext];
string username = credentials != null ? credentials.Username : _settings.Username;
string password = credentials != null ? credentials.Password : _settings.Password;
while (!loggedIn)
{
if (password == String.Empty)
{
CredentialsDomain cd = new CredentialsDomain(Res.Get(StringId.FtpLoginDomain), _settings.FtpServer, null, FtpIconBytes);
CredentialsPromptResult result = CredentialsHelper.PromptForCredentials(ref username, ref password, cd);
if (result == CredentialsPromptResult.Cancel || result == CredentialsPromptResult.Abort)
{
throw new OperationCancelledException();
}
else
{
//save the user/pass as appropriate
if (result == CredentialsPromptResult.SaveUsername)
{
_settings.Username = username;
_settings.Password = String.Empty;
}
else if (result == CredentialsPromptResult.SaveUsernameAndPassword)
{
_settings.Username = username;
_settings.Password = password;
}
}
}
try
{
// create and connect to the destination
_fileDestination = new WinInetFTPFileDestination(
_settings.FtpServer,
_settings.PublishPath,
username,
password);
_fileDestination.Connect();
//save the validated credentials so we don't need to prompt again later
_credentials[DestinationContext] = new FtpCredentials(DestinationContext, username, password);
loggedIn = true;
}
catch (LoginException)
{
loggedIn = false;
password = String.Empty;
_credentials.Remove(DestinationContext);
}
}
// calculate the target path and ensure that it exists
_fileDestination.InsureDirectoryExists(PostContext);
}
catch (Exception ex)
{
WebPublishMessage message = WebPublishUtils.ExceptionToErrorMessage(ex);
throw new BlogClientFileTransferException(Res.Get(StringId.BCEFileTransferConnectingToDestination), message.Title, message.Text);
}
}
}
