1 files changed, 75 insertions, 0 deletions
diff --git a/include/modules/exemption.h b/include/modules/exemption.h
new file mode 100644
index 000000000..b590a5797
--- /dev/null
+++ b/include/modules/exemption.h
@@ -0,0 +1,75 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2016-2017 Peter Powell <petpow@saberuk.com>
+ *
+ * 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/>.
+ */
+
+
+#pragma once
+
+#include "event.h"
+
+namespace CheckExemption
+{
+	class EventListener;
+	class EventProvider;
+
+	/** Helper function for calling the CheckExemption::EventListener::OnCheckExemption event.
+	 * @param prov The CheckExemption::EventProvider which is calling the event.
+	 * @param user The user to check exemption for.
+	 * @param chan The channel to check exemption on.
+	 * @param restriction The restriction to check for.
+	 * @return Either MOD_RES_ALLOW if the exemption was confirmed, MOD_RES_DENY if the exemption was
+	 *         denied or MOD_RES_PASSTHRU if no module handled the event.
+	 */
+	inline ModResult Call(const CheckExemption::EventProvider& prov, User* user, Channel* chan, const std::string& restriction);
+}
+
+class CheckExemption::EventListener
+	: public Events::ModuleEventListener
+{
+ protected:
+	EventListener(Module* mod)
+		: ModuleEventListener(mod, "event/exemption")
+	{
+	}
+
+ public:
+	/** Called when checking if a user is exempt from something.
+	 * @param user The user to check exemption for.
+	 * @param chan The channel to check exemption on.
+	 * @param restriction The restriction to check for.
+	 * @return Either MOD_RES_ALLOW to confirm an exemption, MOD_RES_DENY to deny an exemption,
+	 *         or MOD_RES_PASSTHRU to let another module handle the event.
+	 */
+	virtual ModResult OnCheckExemption(User* user, Channel* chan, const std::string& restriction) = 0;
+};
+
+class CheckExemption::EventProvider
+	: public Events::ModuleEventProvider
+{
+ public:
+	EventProvider(Module* mod)
+		: ModuleEventProvider(mod, "event/exemption")
+	{
+	}
+};
+
+inline ModResult CheckExemption::Call(const CheckExemption::EventProvider& prov, User* user, Channel* chan, const std::string& restriction)
+{
+	ModResult result;
+	FIRST_MOD_RESULT_CUSTOM(prov, CheckExemption::EventListener, OnCheckExemption, result, (user, chan, restriction));
+	return result;
+}