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path: root/src/modules/m_showwhois.cpp
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/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
 *   Copyright (C) 2005, 2008 Robin Burchell <robin+git@viroteck.net>
 *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
 *   Copyright (C) 2006 Craig Edwards <craigedwards@brainbox.cc>
 *   Copyright (C) 2004 Christopher Hall <typobox43@gmail.com>
 *
 * 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/whois.h"

/** Handle user mode +W
 */
class SeeWhois : public SimpleUserModeHandler
{
 public:
	SeeWhois(Module* Creator)
		: SimpleUserModeHandler(Creator, "showwhois", 'W')
	{
	}

	void SetOperOnly(bool operonly)
	{
		oper = operonly;
	}
};

class WhoisNoticeCmd : public Command
{
 public:
	WhoisNoticeCmd(Module* Creator) : Command(Creator,"WHOISNOTICE", 2)
	{
		flags_needed = FLAG_SERVERONLY;
	}

	void HandleFast(User* dest, User* src)
	{
		dest->WriteNotice("*** " + src->nick + " (" + src->ident + "@" +
			src->GetHost(dest->HasPrivPermission("users/auspex")) + 
			") did a /whois on you");
	}

	CmdResult Handle(const std::vector<std::string>& parameters, User* user) CXX11_OVERRIDE
	{
		User* dest = ServerInstance->FindNick(parameters[0]);
		if (!dest)
			return CMD_FAILURE;

		User* source = ServerInstance->FindNick(parameters[1]);

		if (IS_LOCAL(dest) && source)
			HandleFast(dest, source);

		return CMD_SUCCESS;
	}
};

class ModuleShowwhois : public Module, public Whois::EventListener
{
	bool ShowWhoisFromOpers;
	SeeWhois sw;
	WhoisNoticeCmd cmd;

 public:

	ModuleShowwhois()
		: Whois::EventListener(this)
		, sw(this)
		, cmd(this)
	{
	}

	void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
	{
		ConfigTag* tag = ServerInstance->Config->ConfValue("showwhois");

		sw.SetOperOnly(tag->getBool("opersonly", true));
		ShowWhoisFromOpers = tag->getBool("showfromopers", true);
	}

	Version GetVersion() CXX11_OVERRIDE
	{
		return Version("Allows opers to set +W to see when a user uses WHOIS on them",VF_OPTCOMMON|VF_VENDOR);
	}

	void OnWhois(Whois::Context& whois) CXX11_OVERRIDE
	{
		User* const source = whois.GetSource();
		User* const dest = whois.GetTarget();
		if (!dest->IsModeSet(sw) || whois.IsSelfWhois())
			return;

		if (!ShowWhoisFromOpers && source->IsOper())
			return;

		if (IS_LOCAL(dest))
		{
			cmd.HandleFast(dest, source);
		}
		else
		{
			std::vector<std::string> params;
			params.push_back(dest->uuid);
			params.push_back(source->uuid);
			ServerInstance->PI->SendEncapsulatedData(dest->server->GetName(), cmd.name, params);
		}
	}
};

MODULE_INIT(ModuleShowwhois)