Shuffle the modules about a bit.

1 files changed, 154 insertions, 0 deletions

diff --git a/modules/delaymsg.cpp b/modules/delaymsg.cpp
new file mode 100644
index 000000000..db50a4392
--- /dev/null
+++ b/modules/delaymsg.cpp
@@ -0,0 +1,154 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2022 iwalkalone <iwalkalone69@gmail.com>
+ *   Copyright (C) 2021 Dominic Hamon
+ *   Copyright (C) 2017-2024 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012-2014 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@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/ctctags.h"
+#include "modules/exemption.h"
+#include "numerichelper.h"
+
+class DelayMsgMode final
+	: public ParamMode<DelayMsgMode, IntExtItem>
+{
+public:
+	IntExtItem jointime;
+	DelayMsgMode(Module* Parent)
+		: ParamMode<DelayMsgMode, IntExtItem>(Parent, "delaymsg", 'd')
+		, jointime(Parent, "delaymsg", ExtensionType::MEMBERSHIP)
+	{
+		ranktoset = ranktounset = OP_VALUE;
+		syntax = "<seconds>";
+	}
+
+	bool ResolveModeConflict(const std::string& their_param, const std::string& our_param, Channel*) override
+	{
+		return ConvToNum<intptr_t>(their_param) < ConvToNum<intptr_t>(our_param);
+	}
+
+	bool OnSet(User* source, Channel* chan, std::string& parameter) override;
+	void OnUnset(User* source, Channel* chan) override;
+
+	void SerializeParam(Channel* chan, intptr_t n, std::string& out)
+	{
+		out += ConvToStr(n);
+	}
+};
+
+class ModuleDelayMsg final
+	: public Module
+	, public CTCTags::EventListener
+{
+private:
+	DelayMsgMode djm;
+	CheckExemption::EventProvider exemptionprov;
+	ModResult HandleMessage(User* user, const MessageTarget& target);
+
+public:
+	ModuleDelayMsg()
+		: Module(VF_VENDOR, "Adds channel mode d (delaymsg) which prevents newly joined users from speaking until the specified number of seconds have passed.")
+		, CTCTags::EventListener(this)
+		, djm(this)
+		, exemptionprov(this)
+	{
+	}
+
+	void OnUserJoin(Membership* memb, bool sync, bool created, CUList&) override;
+	ModResult OnUserPreMessage(User* user, MessageTarget& target, MessageDetails& details) override;
+	ModResult OnUserPreTagMessage(User* user, MessageTarget& target, CTCTags::TagMessageDetails& details) override;
+};
+
+bool DelayMsgMode::OnSet(User* source, Channel* chan, std::string& parameter)
+{
+	// Setting a new limit, sanity check
+	intptr_t limit = ConvToNum<intptr_t>(parameter);
+	if (limit <= 0)
+		limit = 1;
+
+	ext.Set(chan, limit);
+	return true;
+}
+
+void DelayMsgMode::OnUnset(User* source, Channel* chan)
+{
+	for (const auto& [_, memb] : chan->GetUsers())
+		jointime.Unset(memb);
+}
+
+void ModuleDelayMsg::OnUserJoin(Membership* memb, bool sync, bool created, CUList&)
+{
+	if ((IS_LOCAL(memb->user)) && (memb->chan->IsModeSet(djm)))
+	{
+		djm.jointime.Set(memb, ServerInstance->Time());
+	}
+}
+
+ModResult ModuleDelayMsg::OnUserPreMessage(User* user, MessageTarget& target, MessageDetails& details)
+{
+	return HandleMessage(user, target);
+}
+
+ModResult ModuleDelayMsg::OnUserPreTagMessage(User* user, MessageTarget& target, CTCTags::TagMessageDetails& details)
+{
+	return HandleMessage(user, target);
+}
+
+ModResult ModuleDelayMsg::HandleMessage(User* user, const MessageTarget& target)
+{
+	if (!IS_LOCAL(user) || target.type != MessageTarget::TYPE_CHANNEL)
+		return MOD_RES_PASSTHRU;
+
+	auto* channel = target.Get<Channel>();
+	Membership* memb = channel->GetUser(user);
+
+	if (!memb)
+		return MOD_RES_PASSTHRU;
+
+	time_t ts = djm.jointime.Get(memb);
+
+	if (ts == 0)
+		return MOD_RES_PASSTHRU;
+
+	intptr_t len = djm.ext.Get(channel);
+
+	if ((ts + len) > ServerInstance->Time())
+	{
+		ModResult res = exemptionprov.Check(user, channel, "delaymsg");
+		if (res == MOD_RES_ALLOW)
+			return MOD_RES_PASSTHRU;
+
+		if (user->HasPrivPermission("channels/ignore-delaymsg"))
+			return MOD_RES_PASSTHRU;
+
+		const std::string message = fmt::format("You cannot send messages to this channel until you have been a member for {} seconds.", len);
+		user->WriteNumeric(Numerics::CannotSendTo(channel, message));
+		return MOD_RES_DENY;
+	}
+	else
+	{
+		/* Timer has expired, we can stop checking now */
+		djm.jointime.Unset(memb);
+	}
+	return MOD_RES_PASSTHRU;
+}
+
+MODULE_INIT(ModuleDelayMsg)