From 889d521e05f2e922683d48c74eb00290e7a2f548 Mon Sep 17 00:00:00 2001
From: Sadie Powell
Date: Wed, 17 Jul 2024 00:06:50 +0100
Subject: Shuffle the modules about a bit.

---
 modules/inviteexception.cpp | 122 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 modules/inviteexception.cpp

(limited to 'modules/inviteexception.cpp')

diff --git a/modules/inviteexception.cpp b/modules/inviteexception.cpp
new file mode 100644
index 000000000..9ce0d4a64
--- /dev/null
+++ b/modules/inviteexception.cpp
@@ -0,0 +1,122 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2017-2023 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012-2013 Attila Molnar <attilamolnar@hush.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) 2006 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 "listmode.h"
+#include "modules/extban.h"
+#include "modules/isupport.h"
+
+enum
+{
+	// From RFC 2812.
+	RPL_INVEXLIST = 346,
+	RPL_ENDOFINVEXLIST = 347
+};
+
+class InviteException final
+	: public ListModeBase
+{
+private:
+	ExtBan::ManagerRef extbanmgr;
+
+public:
+	InviteException(Module* Creator)
+		: ListModeBase(Creator, "invex", 'I', RPL_INVEXLIST, RPL_ENDOFINVEXLIST)
+		, extbanmgr(Creator)
+	{
+		syntax = "<mask>";
+	}
+
+	bool CompareEntry(const std::string& entry, const std::string& value) const override
+	{
+		if (extbanmgr)
+		{
+			auto res = extbanmgr->CompareEntry(this, entry, value);
+			if (res != ExtBan::Comparison::NOT_AN_EXTBAN)
+				return res == ExtBan::Comparison::MATCH;
+		}
+		return irc::equals(entry, value);
+	}
+
+	bool ValidateParam(LocalUser* user, Channel* channel, std::string& parameter) override
+	{
+		if (!extbanmgr || !extbanmgr->Canonicalize(parameter))
+			ModeParser::CleanMask(parameter);
+		return true;
+	}
+};
+
+class ModuleInviteException final
+	: public Module
+	, public ISupport::EventListener
+{
+private:
+	bool invite_bypass_key;
+	InviteException ie;
+
+public:
+	ModuleInviteException()
+		: Module(VF_VENDOR, "Adds channel mode I (invex) which allows channel operators to exempt user masks from channel mode i (inviteonly).")
+		, ISupport::EventListener(this)
+		, ie(this)
+	{
+	}
+
+	void OnBuildISupport(ISupport::TokenMap& tokens) override
+	{
+		tokens["INVEX"] = ConvToStr(ie.GetModeChar());
+	}
+
+	ModResult OnCheckInvite(User* user, Channel* chan) override
+	{
+		ListModeBase::ModeList* list = ie.GetList(chan);
+		if (list)
+		{
+			for (const auto& entry : *list)
+			{
+				if (chan->CheckBan(user, entry.mask))
+				{
+					return MOD_RES_ALLOW;
+				}
+			}
+		}
+
+		return MOD_RES_PASSTHRU;
+	}
+
+	ModResult OnCheckKey(User* user, Channel* chan, const std::string& key) override
+	{
+		if (invite_bypass_key)
+			return OnCheckInvite(user, chan);
+		return MOD_RES_PASSTHRU;
+	}
+
+	void ReadConfig(ConfigStatus& status) override
+	{
+		ie.DoRehash();
+		invite_bypass_key = ServerInstance->Config->ConfValue("inviteexception")->getBool("bypasskey", true);
+	}
+};
+
+MODULE_INIT(ModuleInviteException)
-- 
cgit v1.3.1-10-gc9f91