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/hidechans.cpp | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 modules/hidechans.cpp

(limited to 'modules/hidechans.cpp')

diff --git a/modules/hidechans.cpp b/modules/hidechans.cpp
new file mode 100644
index 000000000..36fbbaac8
--- /dev/null
+++ b/modules/hidechans.cpp
@@ -0,0 +1,92 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2018-2022, 2024 Sadie Powell <sadie@witchery.services>
+ *   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) 2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2006, 2008 Robin Burchell <robin+git@viroteck.net>
+ *
+ * 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/who.h"
+#include "modules/whois.h"
+
+/** Handles user mode +I
+ */
+class HideChans final
+	: public SimpleUserMode
+{
+public:
+	HideChans(Module* Creator)
+		: SimpleUserMode(Creator, "hidechans", 'I')
+	{
+	}
+};
+
+class ModuleHideChans final
+	: public Module
+	, public Who::VisibleEventListener
+	, public Whois::LineEventListener
+{
+private:
+	bool AffectsOpers;
+	HideChans hm;
+
+	ModResult ShouldHideChans(LocalUser* source, User* target)
+	{
+		if (source == target)
+			return MOD_RES_PASSTHRU; // User is targeting themself.
+
+		if (!target->IsModeSet(hm))
+			return MOD_RES_PASSTHRU; // Mode not set on the target.
+
+		if (!AffectsOpers && source->HasPrivPermission("users/auspex"))
+			return MOD_RES_PASSTHRU; // Opers aren't exempt or the oper doesn't have the right priv.
+
+		return MOD_RES_DENY;
+	}
+
+public:
+	ModuleHideChans()
+		: Module(VF_VENDOR, "Adds user mode I (hidechans) which hides the channels users with it set are in from their /WHOIS response.")
+		, Who::VisibleEventListener(this)
+		, Whois::LineEventListener(this)
+		, hm(this)
+	{
+	}
+
+	void ReadConfig(ConfigStatus& status) override
+	{
+		AffectsOpers = ServerInstance->Config->ConfValue("hidechans")->getBool("affectsopers");
+	}
+
+	ModResult OnWhoVisible(const Who::Request& request, LocalUser* source, Membership* memb) override
+	{
+		return ShouldHideChans(source, memb->user);
+	}
+
+	ModResult OnWhoisLine(Whois::Context& whois, Numeric::Numeric& numeric) override
+	{
+		if (numeric.GetNumeric() != RPL_WHOISCHANNELS && numeric.GetNumeric() != RPL_CHANNELSMSG)
+			return MOD_RES_PASSTHRU;
+
+		return ShouldHideChans(whois.GetSource(), whois.GetTarget());
+	}
+};
+
+MODULE_INIT(ModuleHideChans)
-- 
cgit v1.3.1-10-gc9f91