nodemcu-httpserver/httpserver-static.lua

28 lines
1.1 KiB
Lua

-- httpserver-static.lua
-- Part of nodemcu-httpserver, handles sending static files to client.
-- Author: Marcos Kirsch
local function getMimeType(ext)
-- A few MIME types. Keep list short. If you need something that is missing, let's add it.
local mt = {css = "text/css", gif = "image/gif", html = "text/html", ico = "image/x-icon", jpeg = "image/jpeg", jpg = "image/jpeg", js = "application/javascript", josn="application/json", png = "image/png"}
if mt[ext] then return mt[ext] else return "text/plain" end
end
local function sendHeader(connection, code, codeString, mimeType)
connection:send("HTTP/1.0 " .. code .. " " .. codeString .. "\r\nServer: nodemcu-httpserver\r\nContent-Type: " .. mimeType .. "\r\nConnection: close\r\n\r\n")
end
return function (connection, args)
sendHeader(connection, 200, "OK", getMimeType(args.ext))
file.open(args.file)
-- Send file in little chunks
while true do
local chunk = file.read(1024)
if chunk == nil then break end
coroutine.yield()
connection:send(chunk)
end
print("Finished sending:", args.file)
file.close()
end