public override string Parse(ref SwitchboardUser User, string Command)
{
if (!Command.ToUpper().StartsWith("CQUOR"))
{
return(null);
}
//Make sure the user can access Colloquor
if (!User.CanExecute(PermissionLevel))
{
return("NOEXECUTE");
}
Command = Command.Remove(0, 6); //Remove "CQUOR "
String[] CommandSplit = Command.Split(' ');
switch (CommandSplit[0].ToUpper())
{
case "JOIN":
//First let's make sure the user isn't already in a channel
if (UserChannelDictionary.ContainsKey(User))
{
return("ALREADY CONNECTED");
}
if (CommandSplit.Length == 2)
{
//Join without a password.
//First get the channel
if (!ChannelDictionary.ContainsKey(CommandSplit[1]))
{
return("NOT FOUND");
}
if (ChannelDictionary[CommandSplit[1]].HasPassword())
{
return("NEEDS PASS");
}
//Now that we know that the channel exists, let's add the user.
UserChannelDictionary.Add(User, ChannelDictionary[CommandSplit[1]]);
UserChannelDictionary[User].ReceiveMessage(User.GetUsername() + " joined the channel!");
return(UserChannelDictionary[User].GetWelcome() + "\n\n");
}
else if (CommandSplit.Length == 3)
{
//Join with a password.
//First get the channel
if (!ChannelDictionary.ContainsKey(CommandSplit[1]))
{
return("NOT FOUND");
}
if (!ChannelDictionary[CommandSplit[1]].VerifyPassword(CommandSplit[2]))
{
return("WRONG PASS");
}
//Now that we know that the channel exists, let's add the user.
UserChannelDictionary.Add(User, ChannelDictionary[CommandSplit[1]]);
UserChannelDictionary[User].ReceiveMessage(User.GetUsername() + " joined the channel!");
return(UserChannelDictionary[User].GetWelcome() + "\n\n");
}
else
{
return("ERR");
}
case "LISTCHANNELS":
//Send a list of all channels. The list should appear as:
//CHANNEL_NAME:CHANNEL_HAS_PASSWORD,CHANNEL_NAME2...
List <String> AllChannels = new List <String>();
foreach (ColloquorChannel channel in ChannelDictionary.Values)
{
AllChannels.Add(channel.ToListChannelString());
}
return(String.Join(",", AllChannels));
case "SEND":
if (!UserChannelDictionary.ContainsKey(User))
{
return("NOT CONNECTED");
}
UserChannelDictionary[User].ReceiveMessage("[" + User.GetUsername() + "] " + Command.Remove(0, 5)); //Remove "SEND "
return(UserChannelDictionary[User].GetLastMessage());
case "REQUEST":
if (!UserChannelDictionary.ContainsKey(User))
{
return("NOT CONNECTED");
}
return(UserChannelDictionary[User].GetLastMessage());
case "LEAVE":
if (!UserChannelDictionary.ContainsKey(User))
{
return("NOT CONNECTED");
}
UserChannelDictionary[User].ReceiveMessage(User.GetUsername() + " left the channel");
UserChannelDictionary.Remove(User);
return("OK");
case "PING":
return("PONG");
default:
return(null);
}
}
public override string Parse(ref SwitchboardUser User, string Command)
{
if (!Command.ToUpper().StartsWith("LBL~"))
{
return(null);
}
string[] CommandSplit = Command.Split('~');
try {
switch (CommandSplit[1].ToUpper())
{
case "DOWNLOAD":
//Covering "\.." to avoid having people get out of the root directory.
if (!User.CanExecute(DownloadPLevel) || CommandSplit[2].Contains("\\.."))
{
return("LBL.N");
}
if (CommandSplit.Length != 3)
{
return("LBL.A");
}
if (!File.Exists(RootDir + CommandSplit[2]))
{
return("LBL.NOTFOUND");
}
return(CreateTransfer(LBLServerTransfer.LBLTransferType.Send, false, CommandSplit[2]));
case "UPLOAD":
if (!User.CanExecute(UploadPLevel) || CommandSplit[2].Contains("\\.."))
{
return("LBL.N");
}
if (CommandSplit.Length != 3)
{
return("LBL.A");
}
if (FileBusy(CommandSplit[2], out int BusyID))
{
return(BusyID.ToString());
}
return(CreateTransfer(LBLServerTransfer.LBLTransferType.Receive, false, CommandSplit[2]));
case "OVERWRITE":
//Especially important here!!
if (!User.CanExecute(UploadPLevel) || CommandSplit[2].Contains("\\.."))
{
return("LBL.N");
}
if (CommandSplit.Length != 3)
{
return("LBL.A");
}
if (FileBusy(CommandSplit[2], out int doot))
{
return("LBL.BUSY");
}
return(CreateTransfer(LBLServerTransfer.LBLTransferType.Receive, true, CommandSplit[2]));
case "APPEND":
if (!User.CanExecute(UploadPLevel))
{
return("LBL.N");
}
if (CommandSplit.Length < 4)
{
return("LBL.A");
}
if (!int.TryParse(CommandSplit[2], out int AppendID))
{
return("LBL.A");
}
if (!Transfers.ContainsKey(AppendID))
{
return("LBL.NOTFOUND");
}
Transfers[AppendID].Receive(CommandSplit[3]);
return("LBL.OK");
case "REQUEST":
if (!User.CanExecute(DownloadPLevel))
{
return("LBL.N");
}
if (CommandSplit.Length < 3)
{
return("LBL.A");
}
if (!int.TryParse(CommandSplit[2], out int RequestID))
{
return("LBL.A");
}
if (!Transfers.ContainsKey(RequestID))
{
return("LBL.NOTFOUND");
}
string Line = Transfers[RequestID].Send();
if (string.IsNullOrEmpty(Line))
{
return("LBL.EMPTY");
}
else
{
return(Line);
}
case "CLOSE":
if (!User.CanExecute(DownloadPLevel))
{
return("LBL.N");
}
if (!int.TryParse(CommandSplit[2], out int CloseID))
{
return("LBL.A");
}
if (!Transfers.ContainsKey(CloseID))
{
return("LBL.NOTFOUND");
}
Transfers[CloseID].Close();
Transfers.TryRemove(CloseID, out LBLServerTransfer D);
return("LBL.OK");
case "DIR":
if (CommandSplit.Length != 3)
{
return("LBL.A");
}
if (!Directory.Exists(RootDir + CommandSplit[2]?.ToString()))
{
return("LBL.NOTFOUND");
}
//Get dirs
string[] Directories = Directory.GetDirectories(RootDir + CommandSplit[2]?.ToString());
//get files
string[] Files = Directory.GetFiles(RootDir + CommandSplit[2]?.ToString());
//empty directories will return just "~"
//if(Files.Length == 0) { return "LBL.EMPTY"; }
//replace prefix
for (int i = 0; i < Files.Length; i++)
{
Files[i] = Files[i].Replace(RootDir + CommandSplit[2]?.ToString(), "");
}
for (int i = 0; i < Directories.Length; i++)
{
Directories[i] = Directories[i].Replace(RootDir + CommandSplit[2]?.ToString(), "");
}
return(String.Join("~", String.Join(",", Directories), String.Join(",", Files)));
case "PING":
return("PONG");
default:
return(null);
}
} catch (Exception E) {
Console.WriteLine(E.Message + "\n\n" + E.StackTrace);
return("LBL.E:" + E.Message + ":" + E.StackTrace);
}
}
