From d78ca949afe0f2c414443924d89bd4a009924c1e Mon Sep 17 00:00:00 2001
From: Les De Ridder <les@lesderid.net>
Date: Fri, 7 Apr 2017 08:08:24 +0200
Subject: [PATCH] Implement MOTD

---
 .gitignore               |  1 +
 source/ircd/connection.d | 14 ++++++++++++++
 source/ircd/server.d     | 32 ++++++++++++++++++++++++++++++++
 3 files changed, 47 insertions(+)

diff --git a/.gitignore b/.gitignore
index 3a6c85b..87cbe7f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ __dummy.html
 __test__*__
 /salty-ircd
 source/ircd/packageVersion.d
+motd
diff --git a/source/ircd/connection.d b/source/ircd/connection.d
index 054fdf9..dd6c8a9 100644
--- a/source/ircd/connection.d
+++ b/source/ircd/connection.d
@@ -173,6 +173,10 @@ class Connection
 					if(!registered) sendErrNotRegistered();
 					else onTime(message);
 					break;
+				case "MOTD":
+					if(!registered) sendErrNotRegistered();
+					else onMotd(message);
+					break;
 				default:
 					writeln("unknown command '", message.command, "'");
 					send(Message(_server.name, "421", [nick, message.command, "Unknown command"]));
@@ -597,6 +601,16 @@ class Connection
 		_server.sendTime(this);
 	}
 
+	void onMotd(Message message)
+	{
+		if(message.parameters.length > 0)
+		{
+			notImplemented("querying the motd of another server");
+			return;
+		}
+		_server.sendMotd(this);
+	}
+
 	void sendWhoReply(string channel, Connection user, uint hopCount)
 	{
 		auto flags = user.modes.canFind('a') ? "G" : "H";
diff --git a/source/ircd/server.d b/source/ircd/server.d
index 1dd736c..2469f81 100644
--- a/source/ircd/server.d
+++ b/source/ircd/server.d
@@ -7,6 +7,7 @@ import std.conv;
 import std.socket;
 import core.time;
 import std.datetime;
+import std.string;
 
 import vibe.core.core;
 
@@ -26,15 +27,28 @@ class Server
 
 	string name;
 
+	string motd;
+
 	Channel[] channels;
 
 	this()
 	{
 		name = Socket.hostName;
 
+		readMotd();
+
 		runTask(&pingLoop);
 	}
 
+	private void readMotd()
+	{
+		import std.file : exists, readText;
+		if(exists("motd"))
+		{
+			motd = readText("motd");
+		}
+	}
+
 	private void pingLoop()
 	{
 		while(true)
@@ -269,6 +283,24 @@ class Server
 		user.send(Message(inviter.mask, "INVITE", [user.nick, channelName]));
 	}
 
+	void sendMotd(Connection connection)
+	{
+		if(motd !is null)
+		{
+			connection.send(Message(name, "375", [connection.nick, ":- " ~ name ~ " Message of the day - "], true));
+			foreach(line; motd.splitLines)
+			{
+				//TODO: Implement line wrapping
+				connection.send(Message(name, "372", [connection.nick, ":- " ~ line], true));
+			}
+			connection.send(Message(name, "376", [connection.nick, "End of MOTD command"], true));
+		}
+		else
+		{
+			connection.send(Message(name, "422", [connection.nick, "MOTD File is missing"], true));
+		}
+	}
+
 	void listen(ushort port = 6667)
 	{
 		listenTCP(port, &acceptConnection);