Some old lighttpd lua files

lighttpd-image.lua

-- jpeg quality
quality = "85"

-- docroot of the images
docroot = "/var/www"

-- list of all sizes used
map_sizes = "sml"

-- map of prefixes : sizes to width/height - if the size doesn't exist, an error will thrown
map = {
	["user:s"]  = {60,  60},
	["user:m"]  = {150, 0},

	["album:s"] = {60,  60},
	["album:m"] = {160, 120},
	["album:l"] = {480, 0}
}

function check_header(st)

	last_modified = os.date("%a, %d %b %Y %H:%M:%S GMT", st["st_mtime"])

	lighty.header["Last-Modified"] = last_modified
	lighty.header["ETag"] = st["etag"]

	ts = lighty.env["request.time"] + 60 * 60 * 24 * 30

	-- HTTP 1.0
	lighty.header["Expires"] = os.date("%a, %d %b %Y %H:%M:%S GMT", ts)

	-- HTTP 1.1
	lighty.header["Cache-Control"] = "max-age=" .. ts

	if nil == lighty.request["If-None-Match"] and nil == lighty.request["If-Modified-Since"] then
		return 0
	end

	if nil ~= lighty.request["If-None-Match"] and lighty.request["If-None-Match"] == st["etag"]  then
		return 304
	end

	if nil ~= lighty.request["If-Modified-Since"] and lighty.request["If-Modified-Since"] == last_modified then
		return 304
	end

	return 0
end

st = lighty.stat(lighty.env["physical.path"])

if nil ~= st then

	x = check_header(st)

	if x ~= 0 then
		return x
	end
else

	original = string.gsub(lighty.env["physical.path"], "([%w/]+)-[" .. map_sizes .. "]\.", "%1.")

	if original == lighty.env["physical.path"] or nil == lighty.stat(original) then
		return 404
	else
		key = string.gsub(lighty.env["physical.path"], "^" .. docroot .. "/(%a+)/.*-([" .. map_sizes .. "])\.jpg$", "%1:%2")

		if nil == map[key] then
			return 404
		end

		-- Generate the thumbnail using imagemagick
		if map[key][2] > 0 then
			os.execute("convert " .. original .. "[0] -quality " .. quality .. " -resize x" .. (map[key][2] * 2) .. " -resize '" .. (map[key][1] * 2) .. "x<' -resize 50% -gravity center -crop " .. map[key][1] .. "x" .. map[key][2] .. "+0+0 +repage " .. lighty.env["physical.path"])
		else
			os.execute("convert " .. original .. "[0] -resize " .. map[key][1] .. "x " .. lighty.env["physical.path"])
		end

		st = lighty.stat(lighty.env["physical.path"])

		if nil == st then
			return 501
		end

		x = check_header(st)
	end
end

lighttpd-static-combine.lua

etag = hashme(lighty.env["request.uri"])

if nil ~= lighty.request["If-None-Match"] and lighty.request["If-None-Match"] == lighty.header["Etag"]  then
	return 304
end

-- Initialize some variables
prefix = "/var/www/"
cache = "/var/cache/" .. etag
types = { scripts = "text/javascript", style = "text/css"}
extensions = { scripts = "js", style = "css" }

-- Set Etag Header - yes we use Etags.
lighty.header["Etag"] = "\"" .. etag .. "\""

-- Check gzip version
gzip = false
if nil ~= lighty.request["Accept-Encoding"] then
gzip = nil ~= string.find(lighty.request["Accept-Encoding"], "gzip")
end

-- Retrieve type and send the appropriate header
type = string.match(lighty.env["request.uri"], "^/(%w+)/.*")
lighty.header["Content-Type"] = types[type]


-- If file does not exist
if nil == lighty.stat(cache) then
	exec = ""
	files = string.gsub(lighty.env["uri.path"], "^/" .. type, "")
	for a in string.gmatch(files, "(.-[.]" .. extensions[type] .. "),?") do

		if nil == lighty.stat(prefix .. type .. a) then
			print("NOT FOUND: " .. prefix .. type .. a)
			return 404
		end
		exec = exec .. prefix .. type .. a .. " "
	end

	if "" == exec then
		print("NO VALID FILE: " .. lighty.env["uri.path"])
		return 404
	end

	-- Use cat to merge files (fastest method so far)
	os.execute("/bin/cat " .. exec .. ">" .. cache)

	-- Optimize with third party applications
	if type == "style" then
		os.execute("/usr/bin/csstidy " .. cache .. " --remove_last_\\;=true --silent=true --template=high " .. cache)
	else
		os.execute("/usr/local/java/bin/java -jar /usr/local/java/yuicompressor.jar --charset utf-8 --type js " .. cache .. " -o " .. cache)
	end

	-- Generate gzip version
	os.execute("/bin/gzip -c " .. cache .. " > " .. cache .. ".z")
end

-- Get request time using magnet patch (or use general way of lua...this is optimized to save the time(NULL)
ts = lighty.env["request.time"] + 60 * 60 * 24 * 30

-- HTTP 1.0
lighty.header["Expires"] = os.date("%a, %d %b %Y %H:%M:%S GMT", ts)
-- HTTP 1.1
lighty.header["Cache-Control"] = "max-age=" .. ts

-- Decide what version we send to the client
if gzip then
	lighty.header["Content-Encoding"] = "gzip"
	lighty.env["physical.path"] = cache .. ".z"
else
		lighty.env["physical.path"] = cache
end

Hi
how can i use this project after download all source program ?
please tell us step by step
thank you for your help