libs/httpd/luasrc/httpd/handler/file.lua

   1 module("luci.httpd.handler.file", package.seeall)
   2 require("luci.httpd.module")
   3 require("luci.fs")
   4 require("ltn12")
   5
   6 Simple = luci.util.class(luci.httpd.module.Handler)
   7 Response = luci.httpd.module.Response
   8
   9 function Simple.__init__(self, docroot)
  10         luci.httpd.module.Handler.__init__(self)
  11         self.docroot = docroot
  12 end
  13
  14 function Simple.handle(self, request, sourcein, sinkerr)
  15         local uri  = request.env.PATH_INFO
  16         local file = self.docroot .. uri:gsub("%.%./", "")
  17         local stat = luci.fs.stat(file)
  18
  19         if stat then
  20                 if stat.type == "regular" then
  21                         return Response(200, {["Content-Length"] = stat.size}), ltn12.source.file(io.open(file))
  22                 else
  23                         return self:failure(403, "Unable to transmit " .. stat.type .. " " .. uri)
  24                 end
  25         else
  26                 return self:failure(404, "No such file: " .. uri)
  27         end
  28 end