applications/sgi-webuci/src/sgi/webuci.lua

   1 --[[
   2 FFLuCI - SGI-Module for Haserl
   3
   4 Description:
   5 Server Gateway Interface for Haserl
   6
   7 FileId:
   8 $Id: webuci.lua 2027 2008-05-07 21:16:35Z Cyrus $
   9
  10 License:
  11 Copyright 2008 Steven Barth <steven@midlink.org>
  12
  13 Licensed under the Apache License, Version 2.0 (the "License");
  14 you may not use this file except in compliance with the License.
  15 You may obtain a copy of the License at
  16
  17         http://www.apache.org/licenses/LICENSE-2.0
  18
  19 Unless required by applicable law or agreed to in writing, software
  20 distributed under the License is distributed on an "AS IS" BASIS,
  21 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  22 See the License for the specific language governing permissions and
  23 limitations under the License.
  24
  25 ]]--
  26 module("ffluci.sgi.webuci", package.seeall)
  27
  28 -- Environment Table
  29 ffluci.http.env = webuci.env
  30
  31
  32 local status_set = false
  33
  34 -- Returns a table of all COOKIE, GET and POST Parameters
  35 function ffluci.http.formvalues()
  36         return webuci.vars
  37 end
  38
  39 -- Gets form value from key
  40 function ffluci.http.formvalue(key, default)
  41         return ffluci.http.formvalues()[key] or default
  42 end
  43
  44 -- Gets a table of values with a certain prefix
  45 function ffluci.http.formvaluetable(prefix)
  46         local vals = {}
  47         prefix = prefix and prefix .. "." or "."
  48
  49         for k, v in pairs(ffluci.http.formvalues()) do
  50                 if k:find(prefix, 1, true) == 1 then
  51                         vals[k:sub(#prefix + 1)] = v
  52                 end
  53         end
  54
  55         return vals
  56 end
  57
  58 -- Sends a custom HTTP-Header
  59 function ffluci.http.header(key, value)
  60         print(key .. ": " .. value)
  61 end
  62
  63 -- Set Content-Type
  64 function ffluci.http.prepare_content(type)
  65         if not status_set then
  66                 ffluci.http.status(200, "OK")
  67         end
  68
  69         print("Content-Type: "..type.."\n")
  70 end
  71
  72 -- Asks the browser to redirect to "url"
  73 function ffluci.http.redirect(url)
  74         ffluci.http.status(302, "Found")
  75         ffluci.http.header("Location", url)
  76         print()
  77 end
  78
  79 -- Returns the path of an uploaded file
  80 -- WARNING! File uploads can be easily spoofed! Do additional sanity checks!
  81 function ffluci.http.upload(name)
  82         -- To be implemented
  83 end
  84
  85 -- Sets HTTP-Status-Header
  86 function ffluci.http.status(code, message)
  87         print(webuci.env.SERVER_PROTOCOL .. " " .. tostring(code) .. " " .. message)
  88         status_set = true
  89 end