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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2018-2019 linuxdaemon <linuxdaemon.irc@gmail.com>
* Copyright (C) 2013 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2013 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007, 2010 Craig Edwards <brain@inspircd.org>
* Copyright (C) 2007 Dennis Friis <peavey@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 "modules/account.h"
typedef insp::flat_set<std::string, irc::insensitive_swo> AllowChans;
class ModuleRestrictChans : public Module
{
AllowChans allowchans;
bool allowregistered;
bool CanCreateChannel(LocalUser* user, const std::string& name)
{
const AccountExtItem* accountext = GetAccountExtItem();
if (allowregistered && accountext && accountext->get(user))
return true;
if (user->HasPrivPermission("channels/restricted-create"))
return true;
for (AllowChans::const_iterator it = allowchans.begin(), it_end = allowchans.end(); it != it_end; ++it)
{
if (InspIRCd::Match(name, *it))
return true;
}
return false;
}
public:
ModuleRestrictChans()
: allowregistered(false)
{
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
AllowChans newallows;
ConfigTagList tags = ServerInstance->Config->ConfTags("allowchannel");
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
const std::string name = i->second->getString("name");
if (name.empty())
throw ModuleException("Empty <allowchannel:name> at " + i->second->getTagLocation());
newallows.insert(name);
}
allowchans.swap(newallows);
// Global config
ConfigTag* tag = ServerInstance->Config->ConfValue("restrictchans");
allowregistered = tag->getBool("allowregistered", false);
}
ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
{
// channel does not yet exist (record is null, about to be created IF we were to allow it)
if (!chan && !CanCreateChannel(user, cname))
return MOD_RES_DENY;
return MOD_RES_PASSTHRU;
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Allows restricting who can create channels", VF_VENDOR);
}
};
MODULE_INIT(ModuleRestrictChans)
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