Basic IRC Server for CannonOS

-- IRC server by PaymentOption for Cannon OS --
VERSION = "Alpha 0.0.1"
-----------------------------------------------

rednet.open("top"); rednet.open("bottom")
rednet.open("front"); rednet.open("back")
rednet.open("right"); rednet.open("left")

-- VARS --
tUsers = {} -- Each user will have their computer ID and a set username
nOP = 0 -- This will be the user with Operator priveleges

sServerName = "testServer"

tConversation = {} -- This is where we will store each line of the conversation: {user, message}
----------

-- Connection related functions --
function connectUser( _nSender)
	rednet.send( _nSender, "a;sodifu39798d0f3") -- This will be our request for their username: a;sodifu39798d0f3

	sender, message = rednet.receive(0.2)

	if sender == _nSender then
		tUsers[#tUsers+1] = {name = message, id = _nSender}
		rednet.send( _nSender, "ifjdslfije") -- This will be our connection confirmation message: ifjdslfije
		sleep(0.1); rednet.send( _nSender, tostring( sServerName ) ) -- Give the user the designated server name
		print("User: "..sender.." Connected")
	else print("User: ".._nSender.." not Connected") end

	if #tUsers == 1 then nOP = tUsers[1].id; tUsers[1].name = "@"..tUsers[1].name end
end
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-- Converstaion related functions --
function logMessage( _nSender, _sMessage)
	if _sMessage == "dslifj" then
		for i=1, #tUsers do
			if tUsers[i].id == _nSender then table.remove( tUsers, i); print("User: ".._nSender.." Disconnected")
			return true end
		end
	end

	if _nSender == nOP then
		if string.find( _sMessage, "!kick" ) then
			local nKickUser = tonumber(string.sub( _sMessage, string.len("!kick "), string.len( _sMessage )))
			for i=1, #tUsers do -- This will be our kicked notificatio message: dlskjfiejdlijfklsdj
				if tUsers[i].id == nKickUser then table.remove( tUsers, i); rednet.send( nKickUser, "dlskjfiejdlijfklsdj") end
			end
		end
	end

	tConversation[#tConversation+1] = {user = tonumber(_nSender), message = tostring(_sMessage)}
	local senderIndex = 0 -- We'll store the index number of the user who sent the message here for sending references

	if #tUsers > 0 then
		for i=1, #tUsers do
			if tUsers[i].id == _nSender then senderIndex = i end
		end
	end

	if #tUsers > 0 then
		for i=1, #tUsers do
			for i = 1, #tUsers do
				if _sMessage == tUsers[i].name or _sMessage == "@"..tUsers[i].name then return false end
			end
			rednet.send(tUsers[i].id, tostring(tUsers[senderIndex].name).."> ".._sMessage)
		end
	end
end
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term.clear(); term.setCursorPos(1,1)
while true do
	sender, message = rednet.receive()

	if message == "dlsk;fje3ijoidsjfl" then -- This will be our connection request message: dlsk;fje3ijoidsjfl
		connectUser( sender )
	end

	if sender == nOP and string.find( message, "!kick " ) then
		local sTemp = string.sub( message, string.len("!kick "), string.len(message))
		local sKickUser = string.sub(sTemp, 2, string.len(sTemp))
		for i=1, #tUsers do -- This will be our kicked notificatio message: dlskjfiejdlijfklsdj
			if tUsers[i].name == sKickUser then rednet.send(  tUsers[i].id, "dlskjfiejdlijfklsdj"); table.remove( tUsers, i) end
		end
	elseif #tUsers > 0 then
		for i=1, #tUsers do
			if tUsers[i].id == sender then logMessage( sender, message ) end
		end
	end
end