From 224952435591734d8308fd2b612d51c030416e53 Mon Sep 17 00:00:00 2001
From: Peter Powell <petpow@saberuk.com>
Date: Mon, 13 Aug 2018 21:44:11 +0100
Subject: Add support for the IRCv3 server-time specification.

Co-authored-by: Attila Molnar <attilamolnar@hush.com>
---
 src/modules/m_chanhistory.cpp      | 10 +++++-
 src/modules/m_ircv3_servertime.cpp | 72 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 81 insertions(+), 1 deletion(-)
 create mode 100644 src/modules/m_ircv3_servertime.cpp

(limited to 'src/modules')

diff --git a/src/modules/m_chanhistory.cpp b/src/modules/m_chanhistory.cpp
index 0c3945346..57db002a8 100644
--- a/src/modules/m_chanhistory.cpp
+++ b/src/modules/m_chanhistory.cpp
@@ -18,6 +18,7 @@
 
 
 #include "inspircd.h"
+#include "modules/ircv3_servertime.h"
 
 struct HistoryItem
 {
@@ -122,8 +123,13 @@ class ModuleChanHistory : public Module
 	bool sendnotice;
 	UserModeReference botmode;
 	bool dobots;
+	IRCv3::ServerTime::API servertimemanager;
+
  public:
-	ModuleChanHistory() : m(this), botmode(this, "bot")
+	ModuleChanHistory()
+		: m(this)
+		, botmode(this, "bot")
+		, servertimemanager(this)
 	{
 	}
 
@@ -180,6 +186,8 @@ class ModuleChanHistory : public Module
 			if (item.ts >= mintime)
 			{
 				ClientProtocol::Messages::Privmsg msg(ClientProtocol::Messages::Privmsg::nocopy, item.sourcemask, memb->chan, item.text);
+				if (servertimemanager)
+					servertimemanager->Set(msg, item.ts);
 				localuser->Send(ServerInstance->GetRFCEvents().privmsg, msg);
 			}
 		}
diff --git a/src/modules/m_ircv3_servertime.cpp b/src/modules/m_ircv3_servertime.cpp
new file mode 100644
index 000000000..1c35c422b
--- /dev/null
+++ b/src/modules/m_ircv3_servertime.cpp
@@ -0,0 +1,72 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2016 Attila Molnar <attilamolnar@hush.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/>.
+ */
+
+
+#include "inspircd.h"
+#include "modules/ircv3.h"
+#include "modules/ircv3_servertime.h"
+
+class ServerTimeTag : public IRCv3::ServerTime::Manager, public IRCv3::CapTag<ServerTimeTag>
+{
+	time_t lasttime;
+	std::string lasttimestring;
+
+	void RefreshTimeString()
+	{
+		const time_t currtime = ServerInstance->Time();
+		if (currtime != lasttime)
+		{
+			lasttime = currtime;
+			// Cache the string so it's not recreated every time a message is sent
+			lasttimestring = IRCv3::ServerTime::FormatTime(currtime);
+		}
+	}
+
+ public:
+	ServerTimeTag(Module* mod)
+		: IRCv3::ServerTime::Manager(mod)
+		, IRCv3::CapTag<ServerTimeTag>(mod, "server-time", "time")
+		, lasttime(0)
+	{
+		tagprov = this;
+	}
+
+	const std::string* GetValue(const ClientProtocol::Message& msg)
+	{
+		RefreshTimeString();
+		return &lasttimestring;
+	}
+};
+
+class ModuleIRCv3ServerTime : public Module
+{
+	ServerTimeTag tag;
+
+ public:
+	ModuleIRCv3ServerTime()
+		: tag(this)
+	{
+	}
+
+	Version GetVersion() CXX11_OVERRIDE
+	{
+		return Version("Provides the server-time IRCv3 extension", VF_VENDOR);
+	}
+};
+
+MODULE_INIT(ModuleIRCv3ServerTime)
-- 
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