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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2017-2026 Sadie Powell <sadie@sadiepowell.dev>
* 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) 2004 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 "modules/ctctags.h"
#include "modules/extban.h"
#include "modules/isupport.h"
#include "modules/who.h"
#include "modules/whois.h"
class BotExtBan final
: public ExtBan::MatchingBase
{
private:
SimpleUserMode& botmode;
public:
BotExtBan(Module* Creator, SimpleUserMode& bm)
: ExtBan::MatchingBase(Creator, "bot", 'B')
, botmode(bm)
{
if (!ServerInstance->Config->ConfValue("botmode")->getBool("extban"))
DisableAutoRegister();
}
bool IsMatch(User* user, Channel* channel, const std::string& text) override
{
return user->IsModeSet(botmode) && channel->CheckBan(user, text);
}
};
class BotTag final
: public CTCTags::TagProvider
{
private:
SimpleUserMode& botmode;
public:
BotTag(Module* mod, SimpleUserMode& bm)
: CTCTags::TagProvider(mod)
, botmode(bm)
{
}
void OnPopulateTags(ClientProtocol::Message& msg) override
{
User* const user = msg.GetSourceUser();
if (user && user->IsModeSet(botmode))
msg.AddTag("bot", this, "");
}
};
class ModuleBotMode final
: public Module
, public ISupport::EventListener
, public Who::EventListener
, public Whois::EventListener
{
private:
SimpleUserMode bm;
BotExtBan extban;
BotTag tag;
bool forcenotice;
public:
ModuleBotMode()
: Module(VF_VENDOR, "Adds user mode B (bot) which marks users with it set as bots.")
, ISupport::EventListener(this)
, Who::EventListener(this)
, Whois::EventListener(this)
, bm(this, "bot", 'B')
, extban(this, bm)
, tag(this, bm)
{
}
void ReadConfig(ConfigStatus& status) override
{
forcenotice = ServerInstance->Config->ConfValue("botmode")->getBool("forcenotice");
}
void OnBuildISupport(ISupport::TokenMap& tokens) override
{
tokens["BOT"] = ConvToStr(bm.GetModeChar());
}
ModResult OnUserPreMessage(User* user, MessageTarget& target, MessageDetails& details) override
{
// Allow sending if forcenotice is off, the user is not a bot, or if the message is a notice.
if (!forcenotice || !user->IsModeSet(bm) || details.type == MessageType::NOTICE)
return MOD_RES_PASSTHRU;
// Allow sending PRIVMSGs to services pseudoclients.
if (target.type == MessageTarget::TYPE_USER && target.Get<User>()->server->IsService())
return MOD_RES_PASSTHRU;
// Force the message to be broadcast as a NOTICE.
details.type = MessageType::NOTICE;
return MOD_RES_PASSTHRU;
}
ModResult OnWhoLine(const Who::Request& request, LocalUser* source, User* user, Membership* memb, Numeric::Numeric& numeric) override
{
size_t flag_index;
if (!request.GetFieldIndex('f', flag_index))
return MOD_RES_PASSTHRU;
if (user->IsModeSet(bm))
numeric.GetParams()[flag_index].push_back('B');
return MOD_RES_PASSTHRU;
}
void OnWhois(Whois::Context& whois) override
{
if (whois.GetTarget()->IsModeSet(bm))
{
whois.SendLine(RPL_WHOISBOT, "is a bot");
}
}
};
MODULE_INIT(ModuleBotMode)
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