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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2018-2022, 2024 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012, 2015 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2006, 2008 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/who.h"
#include "modules/whois.h"
/** Handles user mode +I
*/
class HideChans final
: public SimpleUserMode
{
public:
HideChans(Module* Creator)
: SimpleUserMode(Creator, "hidechans", 'I')
{
}
};
class ModuleHideChans final
: public Module
, public Who::VisibleEventListener
, public Whois::LineEventListener
{
private:
bool affectsopers;
bool hideservices;
HideChans hm;
ModResult ShouldHideChans(LocalUser* source, User* target)
{
if (source == target)
return MOD_RES_PASSTHRU; // User is targeting themself.
if (!target->IsModeSet(hm))
return MOD_RES_PASSTHRU; // Mode not set on the target.
if (hideservices && target->server->IsService())
return MOD_RES_DENY; // Nobody is allowed to see services not even opers.
if (!affectsopers && source->HasPrivPermission("users/auspex"))
return MOD_RES_PASSTHRU; // Opers aren't exempt or the oper doesn't have the right priv.
return MOD_RES_DENY;
}
public:
ModuleHideChans()
: Module(VF_VENDOR, "Adds user mode I (hidechans) which hides the channels users with it set are in from their /WHOIS response.")
, Who::VisibleEventListener(this)
, Whois::LineEventListener(this)
, hm(this)
{
}
void ReadConfig(ConfigStatus& status) override
{
const auto& tag = ServerInstance->Config->ConfValue("hidechans");
affectsopers = tag->getBool("affectsopers");
hideservices = tag->getBool("hideservices", true);
}
ModResult OnWhoVisible(const Who::Request& request, LocalUser* source, Membership* memb) override
{
return ShouldHideChans(source, memb->user);
}
ModResult OnWhoisLine(Whois::Context& whois, Numeric::Numeric& numeric) override
{
if (numeric.GetNumeric() != RPL_WHOISCHANNELS && numeric.GetNumeric() != RPL_CHANNELSMSG)
return MOD_RES_PASSTHRU;
return ShouldHideChans(whois.GetSource(), whois.GetTarget());
}
};
MODULE_INIT(ModuleHideChans)
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