www/cgi-bin/fs-download

   1 #!/usr/bin/lua
   2
   3 nixio = require "nixio"
   4 fs = require "nixio.fs"
   5 util = require "luci.util"
   6 ltn12 = require "ltn12"
   7 luafm = require "luafm"
   8
   9 args = {}
  10
  11 for dummy,param in pairs(util.split(nixio.getenv('QUERY_STRING'),'&')) do
  12   val = util.split(param,'=')
  13   args[val[1]] = util.urldecode(val[2],true)
  14 end
  15
  16 path = luafm.make_path(args["path"])
  17 if path then
  18   file = io.open(path,"rb")
  19 else
  20   file = nil
  21 end
  22
  23 if file then
  24   print("Content-Type: application/octet-stream")
  25   print('Content-Disposition: attachment; filename="'..fs.basename(args["path"])..'"')
  26   print("\r")
  27   ltn12.pump.all(
  28     ltn12.source.file(file),
  29     ltn12.sink.file(io.stdout)
  30   )
  31 else
  32   print("Status: 404 Not Found")
  33   print("Content-Type: text/plain")
  34   print("\r")
  35   print("File not found")
  36 end