internal void RequestChanneListMessage(MessageEventArgs <RequestChannelListMessage> e)
{
if (!e.Connection.IsConnected)
{
return;
}
if (!context.GetPermission(PermissionName.RequestChannelList, e.Connection))
{
e.Connection.SendAsync(new ChannelListMessage(GenericResult.FailedPermissions));
}
else
{
IEnumerable <IChannelInfo> channels = this.context.ChannelsProvider.GetChannels();
e.Connection.SendAsync(new ChannelListMessage(channels, context.ChannelsProvider.DefaultChannel));
}
}
internal void OnRequestUserListMessage(MessageEventArgs <RequestUserListMessage> e)
{
var msg = e.Message;
if (msg.Mode == UserListMode.Current)
{
if (!context.GetPermission(PermissionName.RequestChannelList))
{
e.Connection.SendAsync(new PermissionDeniedMessage(GablarskiMessageType.RequestUserList));
return;
}
e.Connection.SendAsync(new UserInfoListMessage(this));
}
else
{
if (!context.GetPermission(PermissionName.RequestFullUserList))
{
e.Connection.SendAsync(new PermissionDeniedMessage(GablarskiMessageType.RequestUserList));
return;
}
e.Connection.SendAsync(new UserListMessage(context.UserProvider.GetUsers()));
}
}
public static bool GetPermission(this IGablarskiServerContext self, PermissionName name, IConnection connection)
{
if (self == null)
{
throw new ArgumentNullException("self");
}
if (connection == null)
{
return(self.GetPermission(name));
}
IUserInfo user = self.Users[connection];
if (user == null)
{
return(self.GetPermission(name));
}
return(self.GetPermission(name, user.CurrentChannelId, user.UserId));
}
private void ClientQueryServer(ConnectionlessMessageEventArgs e)
{
var msg = (QueryServerMessage)e.Message;
if (!msg.ServerInfoOnly && !context.GetPermission(PermissionName.RequestChannelList))
{
var denied = new PermissionDeniedMessage(GablarskiMessageType.QueryServer);
e.Messenger.SendConnectionlessMessageAsync(denied, e.From);
return;
}
var result = new QueryServerResultMessage();
if (!msg.ServerInfoOnly)
{
result.Channels = this.context.ChannelsProvider.GetChannels();
result.Users = this.users.ToList();
}
result.ServerInfo = GetServerInfo();
e.Messenger.SendConnectionlessMessageAsync(result, e.From);
}
internal void RequestSourceMessage(MessageEventArgs <RequestSourceMessage> e)
{
var request = (RequestSourceMessage)e.Message;
SourceResult result = SourceResult.FailedUnknown;
IUserInfo requestingUser = context.Users[e.Connection];
if (requestingUser == null)
{
return;
}
if (!context.GetPermission(PermissionName.RequestSource, requestingUser))
{
result = SourceResult.FailedPermissions;
}
if (String.IsNullOrEmpty(request.Name) ||
AudioCodecArgs.IsInvalidBitrate(request.AudioSettings.Bitrate) ||
AudioCodecArgs.IsInvalidComplexity(request.AudioSettings.Complexity) ||
AudioCodecArgs.IsInvalidFrequency(request.AudioSettings.SampleRate) ||
AudioCodecArgs.IsInvalidFrameSize(request.AudioSettings.SampleRate, request.AudioSettings.Channels, request.AudioSettings.FrameSize))
{
result = SourceResult.FailedInvalidArguments;
}
AudioSource source = null;
try
{
if (result == SourceResult.FailedUnknown)
{
int bitrate = context.Settings.DefaultAudioBitrate;
if (request.AudioSettings.Bitrate != 0)
{
bitrate = request.AudioSettings.Bitrate.Trim(context.Settings.MinimumAudioBitrate, context.Settings.MaximumAudioBitrate);
}
if (manager.IsSourceNameTaken(requestingUser, request.Name))
{
result = SourceResult.FailedDuplicateSourceName;
}
else
{
source = manager.Create(request.Name, requestingUser,
new AudioCodecArgs(request.AudioSettings)
{
Bitrate = bitrate
});
result = SourceResult.Succeeded;
}
}
}
catch (OverflowException)
{
result = SourceResult.FailedLimit;
}
finally
{
e.Connection.SendAsync(new SourceResultMessage(request.Name, result, source));
if (result == SourceResult.Succeeded)
{
foreach (IConnection connection in context.Connections)
{
if (connection == e.Connection)
{
continue;
}
connection.SendAsync(new SourceResultMessage(request.Name, SourceResult.NewSource, source));
}
}
}
}
