mirror of
https://github.com/inspircd/inspircd.git
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72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/*
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* InspIRCd -- Internet Relay Chat Daemon
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*
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* Copyright (C) 2017-2021, 2023 Sadie Powell <sadie@witchery.services>
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* Copyright (C) 2012 Robby <robby@chatbelgie.be>
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* Copyright (C) 2012 Attila Molnar <attilamolnar@hush.com>
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* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
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* Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
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* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
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* Copyright (C) 2004 Craig Edwards <brain@inspircd.org>
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*
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* This file is part of InspIRCd. InspIRCd is free software: you can
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* redistribute it and/or modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "inspircd.h"
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#include "modules/exemption.h"
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#include "modules/extban.h"
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class ModuleNoNickChange final
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: public Module
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{
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private:
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CheckExemption::EventProvider exemptionprov;
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ExtBan::Acting extban;
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SimpleChannelMode nn;
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public:
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ModuleNoNickChange()
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: Module(VF_VENDOR, "Adds channel mode N (nonick) which prevents users from changing their nickname whilst in the channel.")
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, exemptionprov(this)
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, extban(this, "nonick", 'N')
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, nn(this, "nonick", 'N')
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{
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}
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ModResult OnUserPreNick(LocalUser* user, const std::string& newnick) override
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{
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for (const auto* memb : user->chans)
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{
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ModResult res = exemptionprov.Check(user, memb->chan, "nonick");
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if (res == MOD_RES_ALLOW)
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continue;
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if (user->HasPrivPermission("channels/ignore-nonicks"))
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continue;
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bool modeset = memb->chan->IsModeSet(nn);
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if (!extban.GetStatus(user, memb->chan).check(!modeset))
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{
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user->WriteNumeric(ERR_CANTCHANGENICK, FMT::format("Can't change nickname while on {} ({})",
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memb->chan->name, modeset ? "+N is set" : "you're extbanned"));
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return MOD_RES_DENY;
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}
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}
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return MOD_RES_PASSTHRU;
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}
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};
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MODULE_INIT(ModuleNoNickChange)
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