Move the OnCheckExemption hook out of the core.

2 files changed, 58 insertions, 9 deletions

diff --git a/include/inspircd.h b/include/inspircd.h
index 303d24745..a1a828994 100644
--- a/include/inspircd.h
+++ b/include/inspircd.h
@@ -169,7 +169,6 @@ DEFINE_HANDLER1(IsNickHandler, bool, const std::string&);
 DEFINE_HANDLER2(GenRandomHandler, void, char*, size_t);
 DEFINE_HANDLER1(IsIdentHandler, bool, const std::string&);
 DEFINE_HANDLER1(IsChannelHandler, bool, const std::string&);
-DEFINE_HANDLER3(OnCheckExemptionHandler, ModResult, User*, Channel*, const std::string&);
 
 /** The main class of the irc server.
  * This class contains instances of all the other classes in this software.
@@ -217,7 +216,6 @@ class CoreExport InspIRCd
 
 	IsNickHandler HandleIsNick;
 	IsIdentHandler HandleIsIdent;
-	OnCheckExemptionHandler HandleOnCheckExemption;
 	IsChannelHandler HandleIsChannel;
 	GenRandomHandler HandleGenRandom;
 
@@ -521,13 +519,6 @@ class CoreExport InspIRCd
 	 */
 	InspIRCd(int argc, char** argv);
 
-	/** Called to check whether a channel restriction mode applies to a user
-	 * @param User that is attempting some action
-	 * @param Channel that the action is being performed on
-	 * @param Action name
-	 */
-	caller3<ModResult, User*, Channel*, const std::string&> OnCheckExemption;
-
 	/** Prepare the ircd for restart or shutdown.
 	 * This function unloads all modules which can be unloaded,
 	 * closes all open sockets, and closes the logfile.
diff --git a/include/modules/exemption.h b/include/modules/exemption.h
new file mode 100644
index 000000000..2f4ee02fc
--- /dev/null
+++ b/include/modules/exemption.h
@@ -0,0 +1,58 @@
+/*
+ * 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;
+}
+
+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")
+	{
+	}
+};