Static bandwidth limiting and blacklisting with Lighttpd + Lua

lighttpd-lua-example

# Lighttpd
$HTTP["referer"] !~ "^($|http://([^/]*\.)?imagesocket\.(com|net|org)/)" {
    magnet.attract-physical-path-to = ("/www/sites/conf/imagesocket/bandwidth.lua")
}

# Lua check for images that exceeded limit(S)
# Path - Flag - Expiration 
local url_check = 
{
        ["/images/2012/08/20/1.png"] = true, -- 1352167206
}

if url_check[lighty.env["uri.path"]] then
        lighty.env["uri.path"]    =   "/limited.gif"
        lighty.env["physical.rel-path"] = lighty.env["uri.path"]
        lighty.env["physical.path"]   =   lighty.env["physical.doc-root"] .. lighty.env["physical.rel-path"]
end

include "/www/sites/conf/imagesocket/blacklist.conf"

# Sample Blacklist
$HTTP["referer"] =~ "^http://(75.*|69.*)" {
        url.rewrite = ("(?i)(/.*\.(jpe?g|png|gif))$" => "/banned.gif" )
}