inspircd/modules/sajoin.cpp
2024-07-17 00:06:50 +01:00

135 lines
4.1 KiB
C++

/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2019-2023 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2013-2014, 2016 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2013 Daniel Vassdal <shutter@canternet.org>
* Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2007 Craig Edwards <brain@inspircd.org>
* Copyright (C) 2006 jamie
* Copyright (C) 2005 Robin Burchell <robin+git@viroteck.net>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
class CommandSajoin final
: public Command
{
private:
UserModeReference servprotectmode;
public:
CommandSajoin(Module* Creator)
: Command(Creator, "SAJOIN", 1)
, servprotectmode(Creator, "servprotect")
{
access_needed = CmdAccess::OPERATOR;
syntax = { "[<nick>] <channel>[,<channel>]+" };
translation = { TR_NICK, TR_TEXT };
}
CmdResult Handle(User* user, const Params& parameters) override
{
const unsigned int channelindex = (parameters.size() > 1) ? 1 : 0;
if (CommandParser::LoopCall(user, this, parameters, channelindex))
return CmdResult::FAILURE;
const std::string& channel = parameters[channelindex];
const std::string& nickname = parameters.size() > 1 ? parameters[0] : user->nick;
auto* dest = ServerInstance->Users.Find(nickname, true);
if (dest)
{
if (user != dest && !user->HasPrivPermission("users/sajoin-others"))
{
user->WriteNotice("*** You are not allowed to /SAJOIN other users (the privilege users/sajoin-others is needed to /SAJOIN others).");
return CmdResult::FAILURE;
}
if (dest->IsModeSet(servprotectmode))
{
user->WriteNumeric(ERR_NOPRIVILEGES, "Cannot use an SA command on a service");
return CmdResult::FAILURE;
}
if (IS_LOCAL(user) && !ServerInstance->Channels.IsChannel(channel))
{
/* we didn't need to check this for each character ;) */
user->WriteNumeric(ERR_BADCHANMASK, channel, "Invalid channel name");
return CmdResult::FAILURE;
}
auto* chan = ServerInstance->Channels.Find(channel);
if ((chan) && (chan->HasUser(dest)))
{
user->WriteRemoteNotice("*** " + dest->nick + " is already on " + channel);
return CmdResult::FAILURE;
}
/* For local users, we call Channel::JoinUser which may create a channel and set its TS.
* For non-local users, we just return CmdResult::SUCCESS, knowing this will propagate it where it needs to be
* and then that server will handle the command.
*/
LocalUser* localuser = IS_LOCAL(dest);
if (localuser)
{
Membership* memb = Channel::JoinUser(localuser, channel, true);
if (memb)
{
ServerInstance->SNO.WriteGlobalSno('a', user->nick+" used SAJOIN to make "+dest->nick+" join "+channel);
return CmdResult::SUCCESS;
}
else
{
user->WriteNotice("*** Could not join "+dest->nick+" to "+channel);
return CmdResult::FAILURE;
}
}
else
{
return CmdResult::SUCCESS;
}
}
else
{
user->WriteNotice("*** No such nickname: '" + nickname + "'");
return CmdResult::FAILURE;
}
}
RouteDescriptor GetRouting(User* user, const Params& parameters) override
{
return ROUTE_OPT_UCAST(parameters[0]);
}
};
class ModuleSajoin final
: public Module
{
private:
CommandSajoin cmd;
public:
ModuleSajoin()
: Module(VF_VENDOR | VF_OPTCOMMON, "Adds the /SAJOIN command which allows server operators to force users to join one or more channels.")
, cmd(this)
{
}
};
MODULE_INIT(ModuleSajoin)