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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2012-2016 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2012-2013, 2017-2018, 2020-2021 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006 Oliver Lupton <om@inspircd.org>
* Copyright (C) 2005, 2007 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 "extension.h"
#include "modules/whois.h"
#include "numerichelper.h"
class CommandSwhois final
: public Command
{
public:
BoolExtItem operblock;
StringExtItem swhois;
CommandSwhois(Module* Creator)
: Command(Creator, "SWHOIS", 2, 2)
, operblock(Creator, "swhois-operblock", ExtensionType::USER)
, swhois(Creator, "swhois", ExtensionType::USER, true)
{
access_needed = CmdAccess::OPERATOR;
allow_empty_last_param = true;
syntax = { "<nick> :<swhois>" };
translation = { TR_NICK, TR_TEXT };
}
CmdResult Handle(User* user, const Params& parameters) override
{
auto* dest = ServerInstance->Users.Find(parameters[0]);
if (!dest) // allow setting swhois using SWHOIS before reg
{
user->WriteNumeric(Numerics::NoSuchNick(parameters[0]));
return CmdResult::FAILURE;
}
std::string* text = swhois.Get(dest);
if (text)
{
// We already had it set...
if (!user->server->IsService())
// Ulines set SWHOISes silently
ServerInstance->SNO.WriteGlobalSno('a', "{} used SWHOIS to set {}'s extra whois from '{}' to '{}'", user->nick, dest->nick, *text, parameters[1]);
}
else if (!user->server->IsService())
{
// Ulines set SWHOISes silently
ServerInstance->SNO.WriteGlobalSno('a', "{} used SWHOIS to set {}'s extra whois to '{}'", user->nick, dest->nick, parameters[1]);
}
operblock.Unset(user);
if (parameters[1].empty())
swhois.Unset(dest);
else
swhois.Set(dest, parameters[1]);
return CmdResult::SUCCESS;
}
};
class ModuleSWhois final
: public Module
, public Whois::LineEventListener
{
private:
CommandSwhois cmd;
UserModeReference hideopermode;
public:
ModuleSWhois()
: Module(VF_VENDOR | VF_OPTCOMMON, "Adds the /SWHOIS command which adds custom lines to a user's WHOIS response.")
, Whois::LineEventListener(this)
, cmd(this)
, hideopermode(this, "hideoper")
{
}
// :kenny.chatspike.net 320 Brain Azhrarn :is getting paid to play games.
ModResult OnWhoisLine(Whois::Context& whois, Numeric::Numeric& numeric) override
{
// We use this and not OnWhois because this triggers for remote users too.
if (numeric.GetNumeric() != RPL_WHOISSERVER)
return MOD_RES_PASSTHRU;
// Don't send soper swhois if hideoper is set.
if (cmd.operblock.Get(whois.GetTarget()) && whois.GetTarget()->IsModeSet(hideopermode))
return MOD_RES_PASSTHRU;
// Insert our numeric before RPL_WHOISSERVER.
const std::string* swhois = cmd.swhois.Get(whois.GetTarget());
if (swhois && !swhois->empty())
whois.SendLine(RPL_WHOISSPECIAL, *swhois);
return MOD_RES_PASSTHRU;
}
void OnPostOperLogin(User* user, bool automatic) override
{
if (!IS_LOCAL(user))
return;
const std::string swhois = user->oper->GetConfig()->getString("swhois");
if (!swhois.length())
return;
cmd.operblock.Set(user);
cmd.swhois.Set(user, swhois);
}
void OnPostOperLogout(User* user, const std::shared_ptr<OperAccount>& oper) override
{
std::string* swhois = cmd.swhois.Get(user);
if (!swhois)
return;
if (!cmd.operblock.Get(user))
return;
cmd.operblock.Unset(user);
cmd.swhois.Unset(user);
}
void OnDecodeMetadata(Extensible* target, const std::string& extname, const std::string&) override
{
if (target && target->extype == ExtensionType::USER && irc::equals(extname, "swhois"))
cmd.operblock.Unset(static_cast<User*>(target));
}
};
MODULE_INIT(ModuleSWhois)
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