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path: root/src/modules/m_uninvite.cpp
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/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
 *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
 *   Copyright (C) 2006-2007 Craig Edwards <craigedwards@brainbox.cc>
 *   Copyright (C) 2006 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"
#include "modules/invite.h"

/** Handle /UNINVITE
 */
class CommandUninvite : public Command
{
	Invite::API invapi;
 public:
	CommandUninvite(Module* Creator)
		: Command(Creator, "UNINVITE", 2)
		, invapi(Creator)
	{
		syntax = "<nick> <channel>";
		TRANSLATE2(TR_NICK, TR_TEXT);
	}

	CmdResult Handle(const std::vector<std::string>& parameters, User* user) CXX11_OVERRIDE
	{
		User* u;
		if (IS_LOCAL(user))
			u = ServerInstance->FindNickOnly(parameters[0]);
		else
			u = ServerInstance->FindNick(parameters[0]);

		Channel* c = ServerInstance->FindChan(parameters[1]);

		if ((!c) || (!u) || (u->registered != REG_ALL))
		{
			if (!c)
			{
				user->WriteNumeric(Numerics::NoSuchChannel(parameters[1]));
			}
			else
			{
				user->WriteNumeric(Numerics::NoSuchNick(parameters[0]));
			}

			return CMD_FAILURE;
		}

		if (IS_LOCAL(user))
		{
			if (c->GetPrefixValue(user) < HALFOP_VALUE)
			{
				user->WriteNumeric(ERR_CHANOPRIVSNEEDED, c->name, InspIRCd::Format("You must be a channel %soperator", c->GetPrefixValue(u) == HALFOP_VALUE ? "" : "half-"));
				return CMD_FAILURE;
			}
		}

		/* Servers remember invites only for their local users, so act
		 * only if the target is local. Otherwise the command will be
		 * passed to the target users server.
		 */
		LocalUser* lu = IS_LOCAL(u);
		if (lu)
		{
			// XXX: The source of the numeric we send must be the server of the user doing the /UNINVITE,
			// so they don't see where the target user is connected to
			if (!invapi->Remove(lu, c))
			{
				Numeric::Numeric n(505);
				n.SetServer(user->server);
				n.push(u->nick).push(c->name).push(InspIRCd::Format("Is not invited to channel %s", c->name.c_str()));
				user->WriteRemoteNumeric(n);
				return CMD_FAILURE;
			}

			Numeric::Numeric n(494);
			n.SetServer(user->server);
			n.push(c->name).push(u->nick).push("Uninvited");
			user->WriteRemoteNumeric(n);

			lu->WriteNumeric(493, InspIRCd::Format("You were uninvited from %s by %s", c->name.c_str(), user->nick.c_str()));

			std::string msg = "*** " + user->nick + " uninvited " + u->nick + ".";
			c->WriteNotice(msg);
			ServerInstance->PI->SendChannelNotice(c, 0, msg);
		}

		return CMD_SUCCESS;
	}

	RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters) CXX11_OVERRIDE
	{
		return ROUTE_OPT_UCAST(parameters[0]);
	}
};

class ModuleUninvite : public Module
{
	CommandUninvite cmd;

 public:

	ModuleUninvite() : cmd(this)
	{
	}

	Version GetVersion() CXX11_OVERRIDE
	{
		return Version("Provides the UNINVITE command which lets users un-invite other users from channels", VF_VENDOR | VF_OPTCOMMON);
	}
};

MODULE_INIT(ModuleUninvite)