public static void ProvideDownload(DownloadRequest downloadRequest)
{
string Path = Environment.CurrentDirectory + "\\Files\\" + downloadRequest.FileName + ".mp3";
if (File.Exists(Path))
{
try
{
FileInfo info = new FileInfo(Path);
//Nachricht an Client, dass die Datei jetzt gesendet wird
Resources.XML.SendDataPackage(downloadRequest.client, new DataPackages.Template.DataPackage()
{
Data = "song_incoming",
Name = DataPackages.PackageAdministrator.GetPacketName(DataPackages.Template.PacketKind.DataExchange),
Packet = DataPackages.Template.PacketKind.DataExchange,
Params = downloadRequest.FileName + ":" + info.Length.ToString()
});
using (var output = File.OpenRead(Path))
{
var buffer = new byte[4096];
int bytesRead;
//Datei wird ausgelesen und ausgelsener 4KB block wird in Buffer geschrieben
while ((bytesRead = output.Read(buffer, 0, buffer.Length)) > 0)
{
//Buffer wird verschlüsselt
//buffer = Crypto.Encrypt.Byte(buffer, downloadRequest.client.ConnectionKey);
//Buffer wird in den Stream geschrieben
downloadRequest.client.stream.Write(buffer, 0, bytesRead);
}
}
Events.DataPackageEvent.SentFileToClient.OnFileSentToClient(new Events.Args.DataPackageEventArgs()
{
client = downloadRequest.client, dataPackage = downloadRequest.dataPackage
});
MetaData.MetaFileManager.MetaFiles.Where(i => i.SongName == downloadRequest.FileName).FirstOrDefault().Downloaded++;
}
catch
{
Events.ErrorEvents.DownloadError.OnErrorAppeared(new Events.Args.ErrorEventArgs()
{
ErrorMessage = "Fehler beim bereitstellen der Datei: " + downloadRequest.FileName + " für den Client: " + downloadRequest.client.Username
});
}
}
else
{
Resources.XML.SendDataPackage(downloadRequest.client, new DataPackages.Template.DataPackage()
{
Data = "song_not_found",
Name = DataPackages.PackageAdministrator.GetPacketName(Connection.DataPackages.Template.PacketKind.DataExchange),
Packet = DataPackages.Template.PacketKind.DataExchange,
Params = downloadRequest.FileName
});
Events.ErrorEvents.DownloadError.OnErrorAppeared(new Events.Args.ErrorEventArgs()
{
ErrorMessage = "Fehler beim bereitstellen der Datei: " + downloadRequest.FileName + " für den Client: " + downloadRequest.client.Username + ". Die Audiodatei konnte nicht gefunden werden!"
});
}
}
public static void CreateRequest(Events.Args.DataPackageEventArgs args)
{
if (args.client.UserRank == ClientRank.Premium)
{
DownloadRequest downloadRequest = new DownloadRequest
{
client = args.client,
FileName = args.dataPackage.Data,
Name = args.dataPackage.Name,
dataPackage = args.dataPackage
};
ClientInterface.ProvideDownload(downloadRequest);
}
else
{
Resources.XML.SendDataPackage(args.client, DataPackages.PacketManager.CreatePacket("permission_error", "Du benötigst Premium um dieses Lied herunterladen zu können!", DataPackages.Template.PacketKind.DataExchange));
}
}