From cdd80af74c43015b9b492bc3c5eabc3ab982a0df Mon Sep 17 00:00:00 2001
From: Sadie Powell
Date: Thu, 21 Apr 2022 16:16:05 +0100
Subject: Add support for automatically expiring the override user mode.

---
 src/modules/m_override.cpp | 44 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

(limited to 'src/modules/m_override.cpp')

diff --git a/src/modules/m_override.cpp b/src/modules/m_override.cpp
index c75b022e3..33add918a 100644
--- a/src/modules/m_override.cpp
+++ b/src/modules/m_override.cpp
@@ -34,15 +34,56 @@
 #include "inspircd.h"
 #include "modules/invite.h"
 
+class UnsetTimer CXX11_FINAL
+	: public Timer
+{
+ private:
+	ModeHandler& overridemode;
+	LocalUser* user;
+
+ public:
+	UnsetTimer(LocalUser* u, unsigned long timeout, ModeHandler& om)
+		: Timer(timeout, false)
+		, overridemode(om)
+		, user(u)
+	{
+		ServerInstance->Timers.AddTimer(this);
+	}
+
+	bool Tick(time_t time) CXX11_OVERRIDE
+	{
+		if (!user->quitting && user->IsModeSet(overridemode))
+		{
+			Modes::ChangeList changelist;
+			changelist.push_remove(&overridemode);
+			ServerInstance->Modes.Process(ServerInstance->FakeClient, NULL, user, changelist);
+		}
+		return false;
+	}
+};
+
 class Override : public SimpleUserModeHandler
 {
  public:
-	Override(Module* Creator) : SimpleUserModeHandler(Creator, "override", 'O')
+	SimpleExtItem<UnsetTimer> ext;
+	unsigned long timeout;
+
+	Override(Module* Creator)
+		: SimpleUserModeHandler(Creator, "override", 'O')
+		, ext("override-timer", ExtensionItem::EXT_USER, Creator)
 	{
 		oper = true;
 		if (!ServerInstance->Config->ConfValue("override")->getBool("enableumode"))
 			DisableAutoRegister();
 	}
+
+	ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string& parameter, bool adding) CXX11_OVERRIDE
+	{
+		ModeAction res = SimpleUserModeHandler::OnModeChange(source, dest, channel, parameter, adding);
+		if (adding && res == MODEACTION_ALLOW && IS_LOCAL(dest) && timeout)
+			ext.set(dest, new UnsetTimer(IS_LOCAL(dest), timeout, *this));
+		return res;
+	}
 };
 
 class ModuleOverride : public Module
@@ -107,6 +148,7 @@ class ModuleOverride : public Module
 		ConfigTag* tag = ServerInstance->Config->ConfValue("override");
 		NoisyOverride = tag->getBool("noisy");
 		RequireKey = tag->getBool("requirekey");
+		ou.timeout = tag->getDuration("timeout", 0);
 	}
 
 	void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
-- 
cgit v1.3.1-10-gc9f91