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/customprefix.cpp | 119 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 modules/customprefix.cpp

(limited to 'modules/customprefix.cpp')

diff --git a/modules/customprefix.cpp b/modules/customprefix.cpp
new file mode 100644
index 000000000..7483488da
--- /dev/null
+++ b/modules/customprefix.cpp
@@ -0,0 +1,119 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2017-2023 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2013-2014 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 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"
+
+class CustomPrefixMode final
+	: public PrefixMode
+{
+public:
+	std::shared_ptr<ConfigTag> tag;
+
+	CustomPrefixMode(Module* parent, const std::string& Name, char Letter, char Prefix, const std::shared_ptr<ConfigTag>& Tag)
+		: PrefixMode(parent, Name, Letter, 0, Prefix)
+		, tag(Tag)
+	{
+		ModeHandler::Rank rank = tag->getNum<ModeHandler::Rank>("rank", 1, 1);
+		ModeHandler::Rank setrank = tag->getNum<ModeHandler::Rank>("ranktoset", prefixrank, rank);
+		ModeHandler::Rank unsetrank = tag->getNum<ModeHandler::Rank>("ranktounset", setrank, setrank);
+		bool depriv = tag->getBool("depriv", true);
+		this->Update(rank, setrank, unsetrank, depriv);
+
+		ServerInstance->Logs.Debug(MODNAME, "Created the {} prefix: letter={} prefix={} rank={} ranktoset={} ranktounset={} depriv={}",
+			name, GetModeChar(), GetPrefix(), GetPrefixRank(), GetLevelRequired(true), GetLevelRequired(false),
+			CanSelfRemove() ? "yes" : "no");
+	}
+};
+
+class ModuleCustomPrefix final
+	: public Module
+{
+private:
+	std::vector<CustomPrefixMode*> modes;
+
+public:
+	ModuleCustomPrefix()
+		: Module(VF_VENDOR, "Allows the server administrator to configure custom channel prefix modes.")
+	{
+	}
+
+	void init() override
+	{
+		for (const auto& [_, tag] : ServerInstance->Config->ConfTags("customprefix"))
+		{
+			const std::string name = tag->getString("name");
+			if (name.empty())
+				throw ModuleException(this, "<customprefix:name> must be specified at " + tag->source.str());
+
+			if (name.find(' ') != std::string::npos)
+				throw ModuleException(this, "<customprefix:name> must not contain spaces at " + tag->source.str());
+
+			if (tag->getBool("change"))
+			{
+				ModeHandler* mh = ServerInstance->Modes.FindMode(name, MODETYPE_CHANNEL);
+				if (!mh)
+					throw ModuleException(this, "<customprefix:change> specified for a nonexistent mode at " + tag->source.str());
+
+				PrefixMode* pm = mh->IsPrefixMode();
+				if (!pm)
+					throw ModuleException(this, "<customprefix:change> specified for a non-prefix mode at " + tag->source.str());
+
+				ModeHandler::Rank rank = tag->getNum<ModeHandler::Rank>("rank", pm->GetPrefixRank(), 1);
+				ModeHandler::Rank setrank = tag->getNum<ModeHandler::Rank>("ranktoset", pm->GetLevelRequired(true), rank);
+				ModeHandler::Rank unsetrank = tag->getNum<ModeHandler::Rank>("ranktounset", pm->GetLevelRequired(false), setrank);
+				bool depriv = tag->getBool("depriv", pm->CanSelfRemove());
+				pm->Update(rank, setrank, unsetrank, depriv);
+
+				ServerInstance->Logs.Debug(MODNAME, "Changed the {} prefix: letter={} prefix={} rank={} ranktoset={} ranktounset={} depriv={}",
+					name, pm->GetModeChar(), pm->GetPrefix(), pm->GetPrefixRank(), pm->GetLevelRequired(true),
+					pm->GetLevelRequired(false), pm->CanSelfRemove() ? "yes" : "no");
+				continue;
+			}
+
+			const std::string letter = tag->getString("letter");
+			if (letter.length() != 1)
+				throw ModuleException(this, "<customprefix:letter> must be set to a mode character at " + tag->source.str());
+
+			const std::string prefix = tag->getString("prefix");
+			if (prefix.length() != 1)
+				throw ModuleException(this, "<customprefix:prefix> must be set to a mode prefix at " + tag->source.str());
+
+			try
+			{
+				auto* mh = new CustomPrefixMode(this, name, letter[0], prefix[0], tag);
+				modes.push_back(mh);
+				ServerInstance->Modules.AddService(*mh);
+			}
+			catch (const ModuleException& e)
+			{
+				throw ModuleException(this, e.GetReason() + " (while creating mode from " + tag->source.str() + ")");
+			}
+		}
+	}
+
+	~ModuleCustomPrefix() override
+	{
+		stdalgo::delete_all(modes);
+	}
+};
+
+MODULE_INIT(ModuleCustomPrefix)
-- 
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