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

75 lines
2.3 KiB
C++

/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2017, 2019-2024 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2005-2006 Craig Edwards <brain@inspircd.org>
*
* 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"
#include "modules/ctctags.h"
#include "numerichelper.h"
class ModuleRestrictMsg final
: public Module
, public CTCTags::EventListener
{
private:
static ModResult HandleMessage(User* user, const MessageTarget& target)
{
if ((target.type == MessageTarget::TYPE_USER) && (IS_LOCAL(user)))
{
const auto* u = target.Get<User>();
// message allowed if:
// (1) the sender is opered
// (2) the recipient is opered
// (3) the recipient is on a services server
// anything else, blocked.
if (u->IsOper() || user->IsOper() || u->server->IsService())
return MOD_RES_PASSTHRU;
user->WriteNumeric(Numerics::CannotSendTo(u, "You cannot send messages to this user."));
return MOD_RES_DENY;
}
// however, we must allow channel messages...
return MOD_RES_PASSTHRU;
}
public:
ModuleRestrictMsg()
: Module(VF_VENDOR, "Prevents users who are not server operators from messaging each other.")
, CTCTags::EventListener(this)
{
}
ModResult OnUserPreMessage(User* user, MessageTarget& target, MessageDetails& details) override
{
return HandleMessage(user, target);
}
ModResult OnUserPreTagMessage(User* user, MessageTarget& target, CTCTags::TagMessageDetails& details) override
{
return HandleMessage(user, target);
}
};
MODULE_INIT(ModuleRestrictMsg)