Changeset

448:3bf6f102f1cc

mod_ircd: added patched plugin file.
author Marco Cirillo <maranda@lightwitch.org>
date Mon, 26 Sep 2011 02:18:21 +0000
parents 447:21cb01de89a8
children 449:08ffbbdafeea
files mod_ircd/mod_ircd.lua
diffstat 1 files changed, 297 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mod_ircd/mod_ircd.lua	Mon Sep 26 02:18:21 2011 +0000
@@ -0,0 +1,297 @@
+-- README
+-- Squish verse into this dir, then squish them into one, which you move
+-- and rename to mod_ircd.lua in your prosody modules/plugins dir.
+--
+-- IRC spec:
+-- http://tools.ietf.org/html/rfc2812
+local _module = module
+module = _G.module
+local module = _module
+--
+local component_jid, component_secret, muc_server =
+      module.host, nil, module:get_option("conference_server");
+
+package.loaded["util.sha1"] = require "util.encodings";
+local verse = require "verse"
+require "verse.component"
+require "socket"
+c = verse.new();--verse.logger())
+c:add_plugin("groupchat");
+
+local function verse2prosody(e)
+        return c:event("stanza", e.stanza) or true;
+end
+module:hook("message/bare", verse2prosody);
+module:hook("message/full", verse2prosody);
+module:hook("presence/bare", verse2prosody);
+module:hook("presence/full", verse2prosody);
+c.type = "component";
+c.send = core_post_stanza;
+
+local jid = require "util.jid";
+
+local function irc2muc(channel, nick)
+        channel = channel:gsub("^#", "")
+        channel = channel:gsub("(%s:)$", "")
+        return jid.join(channel, muc_server, nick)
+end
+local function muc2irc(room)
+        local channel, _, nick = jid.split(room);
+        return "#"..channel, nick;
+end
+local rolemap = {
+        moderator = "@",
+        participant = "+",
+}
+local modemap = {
+        moderator = "o",
+        participant = "v",
+}
+
+local irc_listener = { default_port = 7000, default_mode = "*l" };
+
+local sessions = {};
+local jids = {};
+local commands = {};
+
+local nicks = {};
+
+local st = require "util.stanza";
+
+local conference_server = muc_server;
+
+local function irc_close_session(session)
+        session.conn:close();
+end
+
+function irc_listener.onincoming(conn, data)
+        local session = sessions[conn];
+        if not session then
+                session = { conn = conn, host = component_jid, reset_stream = function () end,
+                        close = irc_close_session, log = logger.init("irc"..(conn.id or "1")),
+                        rooms = {},
+                        roster = {} };
+                sessions[conn] = session;
+                function session.data(data)
+                        local command, args = data:match("^%s*([^ ]+) *(.*)%s*$");
+                        if not command then
+                                return;
+                        end
+                        command = command:upper();
+                        if not session.nick then
+                                if not (command == "USER" or command == "NICK") then
+                                        session.send(":" .. muc_server .. " 451 " .. command .. " :You have not registered")
+                                        return true;
+                                end
+                        end
+                        if commands[command] then
+                                local ret = commands[command](session, args);
+                                if ret then
+                                        session.send(ret.."\r\n");
+                                end
+                        else
+                                session.send(":" .. muc_server .. " 421 " .. session.nick .. " " .. command .. " :Unknown command")
+                                module:log("debug", "Unknown command: %s", command);
+                        end
+                end
+                function session.send(data)
+                        return conn:write(data.."\r\n");
+                end
+        end
+        if data then
+                session.data(data);
+        end
+end
+
+function irc_listener.ondisconnect(conn, error)
+        local session = sessions[conn];
+        for _, room in pairs(session.rooms) do
+                room:leave("Disconnected");
+        end
+        if jids[session.full_jid] then jids[session.full_jid] = nil end
+        if nicks[session.nick] then nicks[session.nick] = nil end
+        if sessions[conn] then sessions[conn] = nil end
+end
+
+function commands.NICK(session, nick)
+        if session.nick then
+                session.send(":"..muc_server.." 484 * "..nick.." :I'm afraid I can't let you do that, "..nick);
+                --TODO Loop throug all rooms and change nick, with help from Verse.
+                return;
+        end
+        nick = nick:match("^[%w_:]+"); nick = nick:gsub(":", "");
+        if nicks[nick] then
+                session.send(":"..muc_server.." 433 * "..nick.." :The nickname "..nick.." is already in use");
+                return;
+        end
+        local full_jid = jid.join(nick, component_jid, "ircd");
+        jids[full_jid] = session;
+        nicks[nick] = session;
+        session.nick = nick;
+        session.full_jid = full_jid;
+        session.type = "c2s";
+        session.send(":"..muc_server.." 001 "..session.nick.." :Welcome in the IRC to MUC XMPP Gateway, "..session.nick);
+	session.send(":"..muc_server.." 002 "..session.nick.." :Your host is "..muc_server..", running Prosody "..prosody.version);
+	session.send(":"..muc_server.." 004 "..session.nick.." :"..muc_server.." Prosody("..prosody.version..") i ov");
+	session.send(":"..muc_server.." 375 "..session.nick.." :- "..muc_server.." Message of the day -");
+	session.send(":"..muc_server.." 372 "..session.nick.." :-");
+	session.send(":"..muc_server.." 372 "..session.nick.." :- Please be warned that this is only a partial irc implementation,");
+	session.send(":"..muc_server.." 372 "..session.nick.." :- it's made to facilitate users transiting away from irc to XMPP.");
+	session.send(":"..muc_server.." 372 "..session.nick.." :-");
+	session.send(":"..muc_server.." 372 "..session.nick.." :- Prosody is _NOT_ an IRC Server and it never will.");
+	session.send(":"..muc_server.." 372 "..session.nick.." :- We also would like to remind you that this plugin is provided as is,");
+	session.send(":"..muc_server.." 372 "..session.nick.." :- it's still an Alpha and it's still a work in progress, use it at your sole");
+	session.send(":"..muc_server.." 372 "..session.nick.." :- risk as there's a not so little chance something will break.");
+	session.send(":"..session.nick.." MODE "..session.nick.." +i");
+end
+
+function commands.USER(session, params)
+end
+
+function commands.JOIN(session, channel)
+        local room_jid = irc2muc(channel);
+        channel = channel:gsub("(%s:)$", "")
+        local room, err = c:join_room(room_jid, session.nick, { source = session.full_jid } );
+        if not room then
+                return ":"..session.host.." ERR :Could not join room: "..err
+        end
+        session.rooms[channel] = room;
+        room.channel = channel;
+        room.session = session;
+        if room.subject then
+        	session.send(":"..session.host.." 332 "..session.nick.." "..channel.." :"..room.subject);
+        end
+        commands.NAMES(session, channel)
+        room:hook("message", function(event)
+                if not event.body then return end
+                local nick, body = event.nick, event.body;
+                if nick ~= session.nick then
+                        if body:sub(1,4) == "/me " then
+                                body = "\1ACTION ".. body:sub(5) .. "\1"
+                        end
+                        session.send(":"..nick.." PRIVMSG "..channel.." :"..body);
+                        --FIXME PM's probably won't work
+                end
+        end);
+        room:hook("subject-changed", function(changed) 
+        	session.send((":%s TOPIC %s :%s"):format(changed.by, channel, changed.to or ""));
+	end);
+end
+
+c:hook("groupchat/joined", function(room)
+        local session = room.session or jids[room.opts.source];
+        local channel = "#"..room.jid:match("^(.*)@");
+        session.send((":%s!%s JOIN :%s"):format(session.nick, session.nick, channel));
+        if room.topic then
+                session.send((":%s 332 %s :%s"):format(muc_server, channel, room.topic));
+        end
+        commands.NAMES(session, channel)
+        --FIXME Ones own mode get's lost
+        --session.send((":%s MODE %s +%s %s"):format(session.host, room.channel, modemap[nick.role], nick.nick));
+        room:hook("occupant-joined", function(nick)
+                session.send((":%s!%s JOIN :%s"):format(nick.nick, nick.nick, channel));
+                if nick.role and modemap[nick.role] then
+                        session.send((":%s MODE %s +%s %s"):format(muc_server, channel, modemap[nick.role], nick.nick));
+                end
+        end);
+        room:hook("occupant-left", function(nick)
+                session.send((":%s!%s PART :%s"):format(nick.nick, nick.nick, channel));
+        end);
+end);
+
+function commands.NAMES(session, channel)
+        local nicks = { };
+        channel = channel:gsub("^:", "")
+        local room = session.rooms[channel];
+        if not room then return end
+        -- TODO Break this out into commands.NAMES
+        for nick, n in pairs(room.occupants) do
+                if n.role and rolemap[n.role] then
+                        nick = rolemap[n.role] .. nick;
+                end
+                table.insert(nicks, nick);
+        end
+        nicks = table.concat(nicks, " ");
+        --:molyb.irc.bnfh.org 353 derp = #grill-bit :derp hyamobi walt snuggles_ E-Rock kng grillbit gunnarbot Frink shedma zagabar zash Mrw00t Appiah J10 lectus peck EricJ soso mackt offer hyarion @pettter MMN-o 
+        session.send((":%s 353 %s = %s :%s"):format(session.host, session.nick, channel, nicks));
+        session.send((":%s 366 %s %s :End of /NAMES list."):format(session.host, session.nick, channel));
+        session.send(":"..muc_server.." 353 "..session.nick.." = "..channel.." :"..nicks);
+end
+
+function commands.PART(session, channel)
+        local channel, part_message = channel:match("^([^:]+):?(.*)$");
+        channel = channel:match("^([%S]*)");
+        session.rooms[channel]:leave(part_message);
+        session.send(":"..session.nick.." PART :"..channel);
+end
+
+function commands.PRIVMSG(session, message)
+        local channel, message = message:match("^(%S+) :(.+)$");
+        if message and #message > 0 and session.rooms[channel] then
+                if message:sub(1,8) == "\1ACTION " then
+                        message = "/me ".. message:sub(9,-2)
+                end
+                module:log("debug", "%s sending PRIVMSG \"%s\" to %s", session.nick, message, channel);
+                session.rooms[channel]:send_message(message);
+        end
+end
+
+function commands.PING(session, server)
+        session.send(":"..muc_server..": PONG "..server);
+end
+
+function commands.TOPIC(session, message)
+	if not message then return end
+	local channel, topic = message:match("^(%S+) :(.*)$");
+	if not channel then
+		channel = message:match("^(%S+)");
+	end
+	if not channel then return end
+	local room = session.rooms[channel];
+	if topic then
+		room:set_subject(topic)
+		session.send((":%s TOPIC %s :%s"):format(muc_server, channel, room.subject or ""));
+	else
+		session.send((":%s TOPIC %s :%s"):format(muc_server, channel, room.subject or ""));
+		-- first should be who set it, but verse doesn't provide that yet, so we'll
+		-- just say it was the server
+	end
+end
+
+function commands.WHO(session, channel)
+	channel = channel:gsub("^:", "")
+        if session.rooms[channel] then
+                local room = session.rooms[channel]
+                for nick in pairs(room.occupants) do
+                        session.send(":"..muc_server.." 352 "..session.nick.." "..channel.." "..nick.." "..nick.." "..muc_server.." "..nick.." H :0 "..nick);
+                end
+                session.send(":"..muc_server.." 315 "..session.nick.." "..channel.. " :End of /WHO list");
+        end
+end
+
+function commands.MODE(session, channel)
+        session.send(":"..muc_server.." 324 "..session.nick.." "..channel.." +J"); 
+end
+
+function commands.QUIT(session, message)
+        session.send("ERROR :Closing Link: "..session.nick);
+        for _, room in pairs(session.rooms) do
+                room:leave(message);
+        end
+        jids[session.full_jid] = nil;
+        nicks[session.nick] = nil;
+        sessions[session.conn] = nil;
+        session:close();
+end
+
+function commands.RAW(session, data)
+end
+
+local function desetup()
+	require "net.connlisteners".deregister("irc");
+end
+
+require "net.connlisteners".register("irc", irc_listener);
+require "net.connlisteners".start("irc");
+
+module:hook("module-unloaded", desetup)