// requst to connect to Ftp service
private void getSessionKeyForFtpWorker_DoWork(object sender, DoWorkEventArgs e)
{
clientPrivateData clientData = ClientAllData.Instance.getMyClient();
//send requst for Auth
FtpKeyRequst ftpKeyRequst = new FtpKeyRequst(clientData.username);
FtpTicketResponse ftpTicketResponse = kdcProxy.RequstSessionKeyForFtpConnection(ftpKeyRequst); // blocking
if (ftpTicketResponse == null)
{
return;
}
byte[] sessionKey = CAes.SimpleDecrypt(ftpTicketResponse.SessionKeyClientFTPEncryptedForClient, clientData.m_kdcAsSessionKey, clientData.m_kdcAsSessionKey);
ClientAllData.Instance.getMyClient().m_ftpSessionKey = sessionKey;
FtpTicketRequst ftpTicketRequst = new FtpTicketRequst();
ftpTicketRequst.UserNameencryptedForFtpWithFtpKey = ftpTicketResponse.UserNameencryptedForFtpWithFtpKey;
ftpTicketRequst.SessionKeyClientFTPEncryptedForFTP = ftpTicketResponse.SessionKeyClientFTPEncryptedForFTP;
ftpTicketRequst.UserNameencryptedForFtpWithSessionKey = CAes.SimpleEncrypt(clientData.username, sessionKey, sessionKey);
ftpProxy.requstForConnectionWithSessionKey(ftpTicketRequst); // non blocking
//TODO: should set timer for time out
}
public static Dictionary <string, UserFtpServiceData> users_list = new Dictionary <string, UserFtpServiceData>(); // user, key_S
public void requstForConnectionWithSessionKey(FtpTicketRequst ftpTicketRequst)
{
IClientFtpCallBack iClientFtpCallBack = OperationContext.Current.GetCallbackChannel <IClientFtpCallBack>();
KdcFtpKey retKeyFromDB = m_FtpDBservice.getKdcFtpKey("KDC");
if (retKeyFromDB == null)
{
iClientFtpCallBack.finishRequstConnectionProcess(null);
return;
}
byte[] sessionKey = CAes.SimpleDecryptWithPassword(ftpTicketRequst.SessionKeyClientFTPEncryptedForFTP, retKeyFromDB.PassWord);
string usenameDecryptedWithFtpKdcKey = CAes.SimpleDecryptWithPassword(ftpTicketRequst.UserNameencryptedForFtpWithFtpKey, retKeyFromDB.PassWord);
string usenameDecryptedWithSessionKey = CAes.SimpleDecrypt(ftpTicketRequst.UserNameencryptedForFtpWithSessionKey, sessionKey, sessionKey);
if (usenameDecryptedWithFtpKdcKey == usenameDecryptedWithSessionKey) // OK
{
UserFtpServiceData userData = new UserFtpServiceData(sessionKey, iClientFtpCallBack);
users_list.Add(usenameDecryptedWithFtpKdcKey, userData);
string fileNameResult;
string[] filesPaths = Directory.GetFiles("..\\..\\files\\",
"*.*", SearchOption.AllDirectories);
List <string> newFilesNames = new List <string>();
// Display all the files.
foreach (string path in filesPaths)
{
fileNameResult = Path.GetFileName(path);
string fileNameResultString = CAes.SimpleEncrypt(fileNameResult, sessionKey, sessionKey);
newFilesNames.Add(fileNameResultString);
}
iClientFtpCallBack.finishRequstConnectionProcess(newFilesNames);
return;
}
iClientFtpCallBack.finishRequstConnectionProcess(null);
}