public void HandleCommand(ClientCommandContext ctx)
{
ctx.Connection.SendReply(new AdminMeReply());
ctx.Connection.SendReply(new AdminLocation1Reply());
ctx.Connection.SendReply(new AdminLocation2Reply());
ctx.Connection.SendReply(new AdminEMailReply());
}
public void HandleCommand(ClientCommandContext ctx)
{
IEnumerable <string> channelNames = (ctx.Arguments.FirstOrDefault() ?? string.Empty).Split(',').Select(n => n.ToLowerInvariant());
if (!channelNames.Any())
{
ctx.Connection.SendReply(new NeedMoreParamsReply(NAME));
return;
}
foreach (string channelName in channelNames)
{
Channels.GetChannel(c => channelName.Equals(c.GetIRCName()), channel => {
if (channel == null)
{
ctx.Connection.SendReply(new NoSuchChannelReply(channelName));
return;
}
ChannelUsers.HasSession(channel, ctx.Session, hasUser => {
if (!hasUser)
{
ctx.Connection.SendReply(new NotOnChannelReply(channel));
return;
}
ChannelUsers.LeaveChannel(channel, ctx.Session);
});
});
}
}
public void HandleCommand(ClientCommandContext ctx)
{
string firstArg = ctx.Arguments.ElementAtOrDefault(0) ?? string.Empty;
if (firstArg == @"0") // of course you would leave all channels with the JOIN command
{
ChannelUsers.LeaveChannels(ctx.Session);
return;
}
string[] names = firstArg.Split(',');
string[] passwords = (ctx.Arguments.ElementAtOrDefault(1) ?? string.Empty).Split(',');
for (int i = 0; i < names.Length; ++i)
{
string name = names[i];
Channels.GetChannel(c => name.Equals(c.GetIRCName()), channel => {
if (channel == null) // todo: check permissions and allow channel creation
{
ctx.Connection.SendReply(new BadChannelMaskReply(name));
return;
}
ChannelUsers.HasSession(channel, ctx.Session, hasSession => {
// just continue if we're already in the channel
if (hasSession)
{
return;
}
// introduce channel bans at some point
// introduce invites at some point
// add rank check
ChannelUsers.CheckOverCapacity(channel, ctx.User, isOverCapacity => {
if (isOverCapacity)
{
ctx.Connection.SendReply(new ChannelIsFullReply(channel));
return;
}
string password = passwords.ElementAtOrDefault(i) ?? string.Empty;
Channels.VerifyPassword(channel, password, success => {
if (!success)
{
ctx.Connection.SendReply(new BadChannelKeyReply(channel));
return;
}
ChannelUsers.JoinChannel(channel, ctx.Session);
});
});
});
});
}
}
public void HandleCommand(ClientCommandContext ctx)
{
ctx.Connection.SendReply(
ctx.Arguments.Count() < 2
? new NeedMoreParamsReply(NAME)
: new NoOperatorHostReply()
);
}
public void HandleCommand(ClientCommandContext ctx)
{
if (ctx.Arguments.Any())
{
Sessions.DoKeepAlive(ctx.Session);
ctx.Connection.SendCommand(new ServerPongCommand(Server, ctx.Arguments.FirstOrDefault()));
}
}
private void HandleChannel(ClientCommandContext ctx, IChannel channel)
{
Queue <string> args = new Queue <string>(ctx.Arguments);
while (args.TryDequeue(out string arg))
{
//
}
}
public void HandleCommand(ClientCommandContext ctx)
{
string line = ctx.Arguments.FirstOrDefault() ?? string.Empty;
bool isAway = !string.IsNullOrEmpty(line);
Users.Update(
ctx.User,
status: isAway ? UserStatus.Away : UserStatus.Online,
statusMessage: line
);
}
public void HandleCommand(ClientCommandContext ctx)
{
//string message = ctx.Arguments.ElementAtOrDefault(0);
ctx.Connection.Close();
if (ctx.Session != null)
{
Sessions.Destroy(ctx.Connection);
}
}
public void HandleCommand(ClientCommandContext ctx)
{
if (ctx.User == null) // blocking calls to this without an error
{
return;
}
// TODO: check if user is allowed to set a nick
// should prefixes be a thing for IRC?
// should the prefix be nuked in favour of a forced name change?
string nickName = ctx.Arguments.FirstOrDefault();
if (string.IsNullOrWhiteSpace(nickName))
{
ctx.Connection.SendReply(new NoNickNameGivenReply());
return;
}
nickName = nickName.Trim();
if (nickName.Equals(ctx.User.UserName, StringComparison.InvariantCulture)) // allowing capitalisation changes
{
nickName = null;
}
else if (nickName.Length > 15) // should be configurable somewhere, also magic number in Sock Chat's impl
{
nickName = nickName.Substring(0, 15); // also Flashii's max username length is 16, guessing it was 15 to account for the ~?
}
else if (string.IsNullOrEmpty(nickName))
{
nickName = null;
}
if (nickName == null)
{
Users.Update(ctx.User, nickName: string.Empty);
return;
}
// TODO: global name validation routines
//ctx.Connection.SendReply(new ErroneousNickNameReply(nickName));
Users.GetUser(nickName, user => {
if (user != null)
{
ctx.Connection.SendReply(new NickNameInUseReply(nickName));
return;
}
Users.Update(ctx.User, nickName: nickName);
});
}
public void HandleCommand(ClientCommandContext ctx)
{
string channelName = ctx.Arguments.ElementAtOrDefault(0);
if (string.IsNullOrWhiteSpace(channelName))
{
ctx.Connection.SendReply(new NoRecipientReply(NAME));
return;
}
string text = ctx.Arguments.ElementAtOrDefault(1);
if (string.IsNullOrWhiteSpace(text))
{
ctx.Connection.SendReply(new NoTextToSendReply());
return;
}
Func <IChannel, bool> predicate = null;
char channelPrefix = channelName.First();
if (channelPrefix == '#')
{
predicate = new Func <IChannel, bool>(c => channelName.Equals(c.GetIRCName()));
}
if (predicate == null)
{
ctx.Connection.SendReply(new NoSuchNickReply(channelName));
return;
}
Channels.GetChannel(predicate, channel => {
if (channel == null)
{
ctx.Connection.SendReply(new NoSuchNickReply(channelName));
return;
}
ChannelUsers.HasUser(channel, ctx.User, hasUser => {
if (!hasUser)
{
ctx.Connection.SendReply(new CannotSendToChannelReply(channel));
return;
}
Messages.Create(ctx.Session, channel, text);
});
});
}
private void HandleUser(ClientCommandContext ctx, IUser user)
{
HashSet <char> processed = new HashSet <char>();
string modeSet = ctx.Arguments.FirstOrDefault();
if (modeSet.Length < 2)
{
return;
}
Queue <char> chars = new Queue <char>(modeSet.ToArray());
char mode = chars.Dequeue();
if (mode != '+' && mode != '-')
{
return;
}
bool set = mode == '+';
while (chars.TryDequeue(out mode))
{
if (processed.Contains(mode))
{
continue;
}
processed.Add(mode);
switch (mode)
{
case 'i': // Invisible (appear offline)
Users.Update(user, status: set ? UserStatus.Offline : UserStatus.Online);
break;
default:
ctx.Connection.SendReply(new UserModeUnknownFlagReply());
chars.Clear();
return;
}
}
Sessions.CheckIRCSecure(user, isSecure => ctx.Connection.SendReply(new UserModeIsReply(user, isSecure)));
}
public void HandleCommand(ClientCommandContext ctx)
{
if (ctx.Connection.HasAuthenticated)
{
ctx.Connection.SendReply(new AlreadyRegisteredReply());
return;
}
string password = ctx.Arguments.FirstOrDefault();
if (string.IsNullOrWhiteSpace(password))
{
ctx.Connection.SendReply(new NeedMoreParamsReply(NAME));
return;
}
ctx.Connection.Password = password;
}
public void HandleCommand(ClientCommandContext ctx)
{
string userName = ctx.Arguments.ElementAtOrDefault(0) ?? string.Empty;
Users.GetUser(userName, user => {
if (user == null)
{
ctx.Connection.SendReply(new NoSuchNickReply(userName));
return;
}
string channelName = ctx.Arguments.ElementAtOrDefault(1) ?? string.Empty;
if (string.IsNullOrWhiteSpace(channelName))
{
ctx.Connection.SendReply(new NoSuchChannelReply(channelName));
return;
}
Channels.GetChannelByName(channelName, channel => {
if (channel == null)
{
ctx.Connection.SendReply(new NoSuchChannelReply(channelName));
return;
}
ChannelUsers.HasUser(channel, user, hasUser => {
if (!hasUser)
{
ctx.Connection.SendReply(new UserOnChannelReply(user, channel));
return;
}
// todo: dispatch invite
});
});
});
}
public void HandleCommand(ClientCommandContext ctx)
{
IEnumerable <string> userNames = ctx.Arguments.Select(u => u.ToLowerInvariant());
const int max_length = 400; // allow for 112 characters of overhead
int length = 0;
List <string> batch = new List <string>();
void sendBatch()
{
if (length < 1)
{
return;
}
ctx.Connection.SendReply(new IsOnReply(batch));
length = 0;
batch.Clear();
};
Users.GetUsers(u => (u.Status == UserStatus.Online || u.Status == UserStatus.Away) && userNames.Contains(u.GetIRCName()), users => {
foreach (IUser user in users)
{
string name = user.GetIRCName();
int nameLength = name.Length + 1;
if (length + nameLength > max_length)
{
sendBatch();
}
length += nameLength;
batch.Add(name);
}
sendBatch();
});
}
public void HandleCommand(ClientCommandContext args)
{
// lists services, could be used for authentication but i think i'll just use the PASS field
// not sure how i'm going to tackle auth entirely yet
}
public void HandleCommand(ClientCommandContext args)
{
//
}
public void HandleCommand(ClientCommandContext args)
{
// (un)silence people
}
public void HandleCommand(ClientCommandContext ctx)
{
ctx.Connection.SendReply(new NoPrivilegesReply());
}
public void HandleCommand(ClientCommandContext args)
{
// lists users in channel, probably
}
public void HandleCommand(ClientCommandContext ctx)
{
if (ctx.Connection.HasAuthenticated)
{
ctx.Connection.SendReply(new AlreadyRegisteredReply());
return;
}
// just drop subsequent calls
if (ctx.Connection.IsAuthenticating)
{
return;
}
ctx.Connection.IsAuthenticating = true;
string userName = ctx.Arguments.ElementAtOrDefault(0);
string modeStr = ctx.Arguments.ElementAtOrDefault(1);
//string param3 = ctx.Arguments.ElementAtOrDefault(2);
//string realName = ctx.Arguments.ElementAtOrDefault(3);
if (string.IsNullOrEmpty(userName) || string.IsNullOrEmpty(modeStr))
{
ctx.Connection.SendReply(new NeedMoreParamsReply(NAME));
return;
}
// TODO: should accept normal text username in the future!!!!
if (!long.TryParse(userName, out long userId))
{
ctx.Connection.SendReply(new PasswordMismatchReply());
ctx.Connection.Close();
return;
}
if (!int.TryParse(modeStr, out int mode))
{
mode = 0;
}
bool isInvisible = (mode & MODE_I) > 0;
bool receiveWallOps = (mode & MODE_W) > 0;
Action <Exception> exceptionHandler = new Action <Exception>(ex => {
Logger.Debug($@"[{ctx.Connection}] Auth fail: {ex.Message}");
ctx.Connection.SendReply(new PasswordMismatchReply());
ctx.Connection.Close();
});
DataProvider.UserAuthClient.AttemptAuth(
new UserAuthRequest(userId, ctx.Connection.Password, ctx.Connection.RemoteAddress),
res => {
ctx.Connection.Password = null;
ctx.Connection.HasAuthenticated = true;
DataProvider.BanClient.CheckBan(res.UserId, ctx.Connection.RemoteAddress, ban => {
if (ban.IsPermanent || ban.Expires > DateTimeOffset.Now)
{
// should probably include the time
ctx.Connection.SendReply(new YouAreBannedReply(@"You have been banned."));
ctx.Connection.Close();
return;
}
Users.Connect(res, user => {
Sessions.HasAvailableSessions(user, available => {
// Enforce a maximum amount of connections per user
if (!available)
{
// map somethign to this
//ctx.Connection.SendPacket(new AuthFailPacket(AuthFailReason.MaxSessions));
ctx.Connection.Close();
return;
}
Sessions.Create(ctx.Connection, user, session => {
ctx.Connection.SendReply(new WelcomeReply(Server, user));
ctx.Connection.SendReply(new YourHostReply(Server));
ctx.Connection.SendReply(new CreatedReply(Context));
ctx.Connection.SendReply(new MyInfoReply(Server));
ctx.Connection.SendReply(new ISupportReply(Server));
if (WelcomeMessage.HasRandom)
{
ctx.Connection.SendReply(new MotdStartReply());
string line = WelcomeMessage.GetRandomString();
if (!string.IsNullOrWhiteSpace(line))
{
ctx.Connection.SendReply(new MotdReply(line));
}
ctx.Connection.SendReply(new MotdEndReply());
}
else
{
ctx.Connection.SendReply(new NoMotdReply());
}
// are these necessary?
ctx.Connection.SendReply(new ListUserClientReply());
ctx.Connection.SendReply(new ListUserOperatorsReply());
ctx.Connection.SendReply(new ListUserUnknownReply());
ctx.Connection.SendReply(new ListUserChannelsReply());
ctx.Connection.SendReply(new ListUserMeReply());
Channels.GetDefaultChannels(channels => {
foreach (IChannel channel in channels)
{
ChannelUsers.JoinChannel(channel, session);
}
});
});
});
});
}, exceptionHandler);
},
exceptionHandler
);
}
public void HandleCommand(ClientCommandContext args)
{
// like privmsg but autoreplies should not be sent
// should this be supported?
}
public void HandleCommand(ClientCommandContext args)
{
// returns version info
}
public void HandleCommand(ClientCommandContext args)
{
// kick a user from a channel
}
public void HandleCommand(ClientCommandContext args)
{
// returns server user stats
}
public void HandleCommand(ClientCommandContext args)
{
// return info about users
}
public void HandleCommand(ClientCommandContext args)
{
// gets or sets a channel topic
}
public void HandleCommand(ClientCommandContext args)
{
// returns information about users
}
public void HandleCommand(ClientCommandContext args)
{
// returns the MOTD
}
public void HandleCommand(ClientCommandContext args)
{
// returns the obituary of a deceased user
}
public void HandleCommand(ClientCommandContext ctx)
{
string targetName = ctx.Arguments.ElementAtOrDefault(0);
if (string.IsNullOrWhiteSpace(targetName))
{
ctx.Connection.SendReply(new NeedMoreParamsReply(NAME));
return;
}
if (!ctx.Arguments.Any())
{
ctx.Connection.SendReply(new NeedMoreParamsReply(NAME));
return;
}
if (targetName.StartsWith('#'))
{
Channels.GetChannelByIRCName(targetName, channel => {
if (channel == null)
{
ctx.Connection.SendReply(new NoSuchChannelReply(targetName));
return;
}
if (ctx.Arguments.Count() == 1)
{
//ctx.Connection.SendCommand(new ServerModeCommand(channel));
return;
}
// owner check
HandleChannel(ctx, channel);
});
}
else
{
Users.GetUser(targetName, user => {
if (user == null)
{
ctx.Connection.SendReply(new NoSuchNickReply(targetName));
return;
}
if (ctx.Arguments.Count() == 1)
{
//Sessions.CheckIRCSecure(user, isSecure => ctx.Connection.SendCommand(new ServerModeCommand(user, isSecure)));
return;
}
if (!user.Equals(ctx.User))
{
// admin check probably
ctx.Connection.SendReply(new UsersDoNotMatchReply());
return;
}
HandleUser(ctx, user);
});
}
}