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/operchans.cpp | 108 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 modules/operchans.cpp

(limited to 'modules/operchans.cpp')

diff --git a/modules/operchans.cpp b/modules/operchans.cpp
new file mode 100644
index 000000000..145e74bb7
--- /dev/null
+++ b/modules/operchans.cpp
@@ -0,0 +1,108 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2018-2023 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2012 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2009 Uli Schlachter <psychon@znc.in>
+ *   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 "modules/extban.h"
+
+enum
+{
+	// From UnrealIRCd.
+	ERR_CANTJOINOPERSONLY = 520
+};
+
+class OperAccountExtBan final
+	: public ExtBan::MatchingBase
+{
+public:
+	OperAccountExtBan(Module* Creator)
+		: ExtBan::MatchingBase(Creator, "oper", 'o')
+	{
+	}
+
+	bool IsMatch(User* user, Channel* channel, const std::string& text) override
+	{
+		// If the user is not an oper they can't match this.
+		if (!user->IsOper())
+			return false;
+
+		// Replace spaces with underscores as they're prohibited in mode parameters.
+		std::string opername(user->oper->GetName());
+		std::replace(opername.begin(), opername.end(), ' ', '_');
+		return InspIRCd::Match(opername, text);
+	}
+};
+
+class OperTypeExtBan final
+	: public ExtBan::MatchingBase
+{
+public:
+	OperTypeExtBan(Module* Creator)
+		: ExtBan::MatchingBase(Creator, "opertype", 'O')
+	{
+	}
+
+	bool IsMatch(User* user, Channel* channel, const std::string& text) override
+	{
+		// If the user is not an oper they can't match this.
+		if (!user->IsOper())
+			return false;
+
+		// Replace spaces with underscores as they're prohibited in mode parameters.
+		std::string opername(user->oper->GetType());
+		std::replace(opername.begin(), opername.end(), ' ', '_');
+		return InspIRCd::Match(opername, text);
+	}
+};
+
+class ModuleOperChans final
+	: public Module
+{
+private:
+	SimpleChannelMode oc;
+	OperAccountExtBan operaccount;
+	OperTypeExtBan opertype;
+
+public:
+	ModuleOperChans()
+		: Module(VF_VENDOR, "Adds channel mode O (operonly) which prevents non-server operators from joining the channel.")
+		, oc(this, "operonly", 'O', true)
+		, operaccount(this)
+		, opertype(this)
+	{
+	}
+
+	ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven, bool override) override
+	{
+		if (!override && chan && chan->IsModeSet(oc) && !user->IsOper())
+		{
+			user->WriteNumeric(ERR_CANTJOINOPERSONLY, chan->name, fmt::format("Only server operators may join {} (+{} is set)",
+				chan->name, oc.GetModeChar()));
+			return MOD_RES_DENY;
+		}
+		return MOD_RES_PASSTHRU;
+	}
+};
+
+MODULE_INIT(ModuleOperChans)
-- 
cgit v1.3.1-10-gc9f91