GMod Lua virus notice

infected_notice.lua

--
-- Garry's Mod Lua virus fix instructions
--
-- Save under lua/autorun to alert clients that they're infected.
-- This will open an HTML window directing them how to clean their
-- files.
--

if SERVER then
	AddCSLuaFile()
	return
end

local WebpageURL = "http://pixeltailgames.github.io/infected.html"
local HookName = "InfectedCheck"

local InfectedFiles = {
	{ "download/engine_win32.dll", "MOD" },
	-- { "bin/game_shader_generic_engine.dll", "MOD" },
	{ "materials/cooltexture.vtf", "MOD" },
	{ "autorun/server/default.lua", "LUA" }
}

local function IsInfected()
	local infected = false

	for _, fileinfo in pairs(InfectedFiles) do
		if file.Exists(fileinfo[1], fileinfo[2]) then
			infected = true
			break
		end
	end

	return infected
end

local function ShowInfectedMessage()

	local frame = vgui.Create( "DFrame" )
	frame:SetSize( math.min( 1280, ScrW() ), math.min( 720, ScrH() ) )
	frame:Center()
	frame:SetTitle( "You are infected with a Garry's Mod Lua virus, follow these steps to clean it." )

	frame.OnClose = function()
		LocalPlayer():ChatPrint( "To reopen the virus instructions window, type 'infected' into the console." )
	end

	local html = vgui.Create( "DHTML", frame )
	html:Dock( FILL )
	html:OpenURL( WebpageURL )

	frame:MakePopup()

	SetClipboardText( WebpageURL )

end

hook.Add( "CalcView", HookName, function()

	-- Client is now fully loaded
	hook.Remove( "CalcView", HookName )

	if not IsInfected() then return end

	ShowInfectedMessage()

end )

concommand.Add( "infected", ShowInfectedMessage )