private HashSet <HashSet <string> > CheckHashes()
{
string hashes = Properties.Settings.Default.FileHash;
Dictionary <string, string> serverHash = new Dictionary <string, string>();
Dictionary <string, string> clientHash = new Dictionary <string, string>();
try
{
FtpWebRequest DLrequest = (FtpWebRequest)WebRequest.Create(getFtpUrl() + "hashlist.txt");
DLrequest.UseBinary = true;
DLrequest.KeepAlive = false;
DLrequest.Method = WebRequestMethods.Ftp.DownloadFile;
DLrequest.Credentials = getCredentials();
Stream ftpStream = DLrequest.GetResponse().GetResponseStream();
string sHashes = new StreamReader(ftpStream).ReadToEnd();
foreach (string entry in sHashes.Split(';'))
{
string[] e = entry.Split('~');
if (!serverHash.ContainsKey(e[0]))
{
serverHash.Add(e[0], e[1]);
}
}
}
catch (WebException excp)
{
CatchFTPExceptions(excp);
return(new HashSet <HashSet <string> >());
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.ToString());
return(new HashSet <HashSet <string> >());
}
if (true)
{
string sDir = TxtPath.Text;
SHA1 sec = SHA1.Create();
HashSet <string> retVal = new HashSet <string>();
if (DirSearch(sDir) == true)
{
float fileCount = lstFilesFound.Count;
float count = 0;
foreach (string file in lstFilesFound)
{
count++;
if (File.Exists(file) && file.Contains(@"@NTLauncherRPG"))
{
using (var stream = File.OpenRead(file))
{
var hash = sec.ComputeHash(stream);
retVal.Add(file.Replace(sDir + @"\", "") + "~" + BitConverter.ToString(hash).Replace("-", "").ToLowerInvariant());
//change percentage
LblFilename.Invoke(new UpdateFileNameCallback(UpdateFileName), new object[] { LblFilename, file, true });
ProgressDownload.Invoke(new UpdateProgressCallback(UpdateProgress), new object[] { ProgressDownload, (int)Math.Round((count / fileCount) * 100) });
}
}
}
hashes = string.Join(";", retVal.Cast <string>().ToArray());
Properties.Settings.Default.FileHash = hashes;
Properties.Settings.Default.Save();
}
if (!hashes.Equals(""))
{
clientHash = new Dictionary <string, string>();
foreach (string entry in hashes.Split(';'))
{
string[] e = entry.Split('~');
if (!clientHash.ContainsKey(e[0]))
{
clientHash.Add(e[0], e[1]);
}
}
}
}
HashSet <string> toDownload = new HashSet <string>();
HashSet <string> toDelete = new HashSet <string>();
foreach (KeyValuePair <string, string> kvp in serverHash)
{
string key = kvp.Key;
string value = kvp.Value;
if (!clientHash.ContainsKey(key))
{
toDownload.Add(key);
}
else if (!value.Equals(clientHash[key]))
{
toDownload.Add(key);
}
}
foreach (KeyValuePair <string, string> kvp in clientHash)
{
string key = kvp.Key;
string value = kvp.Value;
if (!serverHash.ContainsKey(key))
{
if (key.Contains(@"@NTLauncherRPG"))
{
toDelete.Add(key);
}
}
}
foreach (string file in toDownload)
{
string path = getSavePath();
if (File.Exists(path + file))
{
toDelete.Add(file);
}
}
HashSet <HashSet <string> > ret = new HashSet <HashSet <string> >();
ret.Add(toDelete);
ret.Add(toDownload);
return(ret);
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = sender as BackgroundWorker;
try
{
HashSet <HashSet <string> > hash = CheckHashes();
HashSet <string> toDelete = hash.ElementAt(0);
HashSet <string> toDownload = hash.ElementAt(1);
DeleteFiles(toDelete);
worker.ReportProgress(0);
//List<string> files = getAllFiles();
string savePath = getSavePath();
float progress = 0;
float total = toDownload.Count;
int percent = 0;
foreach (string file in toDownload)
{
LblFilename.Invoke(new UpdateFileNameCallback(UpdateFileName), new object[] { LblFilename, file, false });
string subPath = Regex.Replace(file, @"\\([\w_-]*)\.\w*", "");
if (subPath.Equals(file))
{
subPath = "";
}
else
{
subPath += @"\";
}
string[] path = subPath.Split(Convert.ToChar(@"\"));
string fileName = Regex.Replace(file, @".*\w*\\", "");
FtpWebRequest DLrequest = (FtpWebRequest)WebRequest.Create(getFtpUrl() + file);
DLrequest.Method = WebRequestMethods.Ftp.DownloadFile;
DLrequest.Credentials = getCredentials();
/*DLrequest.Proxy = null;
* DLrequest.UseBinary = true;
* DLrequest.UsePassive = false;*/
string temp = "";
foreach (string p in path)
{
string workingPath = savePath + temp + p;
if (!Directory.Exists(workingPath))
{
Directory.CreateDirectory(workingPath);
}
temp += p + @"\";
}
using (Stream ftpStream = DLrequest.GetResponse().GetResponseStream())
using (Stream fileStream = File.Create(savePath + subPath + fileName))
{
ftpStream.CopyTo(fileStream);
}
if (worker.CancellationPending)
{
e.Cancel = true;
break;
}
percent = (int)Math.Round((++progress / total) * 100);
worker.ReportProgress(percent);
}
PicStatus.Image = Properties.Resources.downloadFin;
}
catch (WebException webExcp)
{
ResetImage();
CatchFTPExceptions(webExcp);
}
catch (DirectoryNotFoundException ex)
{
ResetImage();
MessageBox.Show("Der eingegebene Pfad ist leer oder existiert nicht", "Fehler: Speicherpfad existiert nicht",
MessageBoxButtons.OK, MessageBoxIcon.Error);
Console.WriteLine("A FileNotFoundException has been caught.");
Console.WriteLine(ex.ToString());
}
catch (UnauthorizedAccessException ex)
{
ResetImage();
MessageBox.Show("Der angegebene Pfad erfordert höhere Berechtigungen.\n" +
"Bitte starte das Programm mit Administrator Berechtigngen neu oder wähle einen anderen Speicherpfad.",
"Fehler: keine Berechtigungen", MessageBoxButtons.OK, MessageBoxIcon.Error);
Console.WriteLine("A FileNotFoundException has been caught.");
Console.WriteLine(ex.ToString());
}
catch (Exception ex)
{
ResetImage();
Console.WriteLine("other exception caught!");
Console.WriteLine(ex.ToString());
}
}
