+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * Copyright (C) 2013, 2017-2020 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2012, 2015 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012 Shawn Smith <ShawnSmith0828@gmail.com>
+ * Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2004, 2010 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/who.h"
+#include "modules/whois.h"
+
+enum
+{
+ // From UnrealIRCd.
+ RPL_WHOISBOT = 335
+};
+
+class BotTag : public ClientProtocol::MessageTagProvider
+{
+ private:
+ SimpleUserModeHandler& botmode;
+ CTCTags::CapReference ctctagcap;
+
+ public:
+ BotTag(Module* mod, SimpleUserModeHandler& bm)
+ : ClientProtocol::MessageTagProvider(mod)
+ , botmode(bm)
+ , ctctagcap(mod)
+ {
+ }
+
+ void OnPopulateTags(ClientProtocol::Message& msg) CXX11_OVERRIDE
+ {
+ User* const user = msg.GetSourceUser();
+ if (user && user->IsModeSet(botmode))
+ msg.AddTag("inspircd.org/bot", this, "");
+ }
+
+ bool ShouldSendTag(LocalUser* user, const ClientProtocol::MessageTagData& tagdata) CXX11_OVERRIDE
+ {
+ return ctctagcap.get(user);
+ }
+};
+
+class ModuleBotMode
+ : public Module
+ , public Who::EventListener
+ , public Whois::EventListener
+{
+ private:
+ SimpleUserModeHandler bm;
+ BotTag tag;
+ bool forcenotice;
+
+ public:
+ ModuleBotMode()
+ : Who::EventListener(this)
+ , Whois::EventListener(this)
+ , bm(this, "bot", 'B')
+ , tag(this, bm)
+ {
+ }
+
+ void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
+ {
+ forcenotice = ServerInstance->Config->ConfValue("botmode")->getBool("forcenotice");
+ }
+
+ void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
+ {
+ tokens["BOT"] = ConvToStr(bm.GetModeChar());
+ }
+
+ ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_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 == MSG_NOTICE)
+ return MOD_RES_PASSTHRU;
+
+ // Allow sending PRIVMSGs to services pseudoclients.
+ if (target.type == MessageTarget::TYPE_USER && target.Get<User>()->server->IsULine())
+ return MOD_RES_PASSTHRU;
+
+ // Force the message to be broadcast as a NOTICE.
+ details.type = MSG_NOTICE;
+ return MOD_RES_PASSTHRU;
+ }
+
+ ModResult OnWhoLine(const Who::Request& request, LocalUser* source, User* user, Membership* memb, Numeric::Numeric& numeric) CXX11_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;
+ }
+
+ Version GetVersion() CXX11_OVERRIDE
+ {
+ return Version("Adds user mode B (bot) which marks users with it set as bots in their /WHOIS response.",VF_VENDOR);
+ }
+
+ void OnWhois(Whois::Context& whois) CXX11_OVERRIDE
+ {
+ if (whois.GetTarget()->IsModeSet(bm))
+ {
+ whois.SendLine(RPL_WHOISBOT, "is a bot on " + ServerInstance->Config->Network);
+ }
+ }
+};
+
+MODULE_INIT(ModuleBotMode)