mirror of
https://github.com/inspircd/inspircd.git
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96 lines
3.0 KiB
C++
96 lines
3.0 KiB
C++
/*
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* InspIRCd -- Internet Relay Chat Daemon
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*
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* Copyright (C) 2019-2024 Sadie Powell <sadie@witchery.services>
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* Copyright (C) 2018-2019 linuxdaemon <linuxdaemon.irc@gmail.com>
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* Copyright (C) 2013 Attila Molnar <attilamolnar@hush.com>
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* Copyright (C) 2012 Robby <robby@chatbelgie.be>
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* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
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* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
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* Copyright (C) 2005, 2007 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/account.h"
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typedef insp::flat_set<std::string, irc::insensitive_swo> AllowChans;
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class ModuleRestrictChans final
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: public Module
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{
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private:
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Account::API accountapi;
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AllowChans allowchans;
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bool allowregistered = false;
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bool CanCreateChannel(LocalUser* user, const std::string& name)
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{
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if (allowregistered && accountapi && accountapi->GetAccountName(user))
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return true;
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if (user->HasPrivPermission("channels/restricted-create"))
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return true;
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for (const auto& allowchan : allowchans)
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{
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if (InspIRCd::Match(name, allowchan))
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return true;
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}
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return false;
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}
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public:
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ModuleRestrictChans()
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: Module(VF_VENDOR, "Prevents unprivileged users from creating new channels.")
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, accountapi(this)
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{
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}
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void ReadConfig(ConfigStatus& status) override
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{
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AllowChans newallows;
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for (const auto& [_, tag] : ServerInstance->Config->ConfTags("allowchannel"))
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{
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const std::string name = tag->getString("name");
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if (name.empty())
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throw ModuleException(this, "Empty <allowchannel:name> at " + tag->source.str());
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newallows.insert(name);
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}
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allowchans.swap(newallows);
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// Global config
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const auto& tag = ServerInstance->Config->ConfValue("restrictchans");
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allowregistered = tag->getBool("allowregistered", false);
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}
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ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven, bool override) override
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{
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// channel does not yet exist (record is null, about to be created IF we were to allow it)
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if (!override && !chan && !CanCreateChannel(user, cname))
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{
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const auto* reason = allowregistered ? "logged into an account" : "a server operator";
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user->WriteNumeric(ERR_RESTRICTED, cname, FMT::format("You must be {} to create new channels.", reason));
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return MOD_RES_DENY;
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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(ModuleRestrictChans)
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