2 LuCI - SGI-Module for Haserl
5 Server Gateway Interface for Haserl
8 $Id: webuci.lua 2027 2008-05-07 21:16:35Z Cyrus $
11 Copyright 2008 Steven Barth <steven@midlink.org>
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
17 http://www.apache.org/licenses/LICENSE-2.0
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.
26 module("luci.sgi.webuci", package.seeall)
28 local status_set = false
30 -- Initialize the environment
31 function initenv(env, vars)
36 -- Enforces user authentification
37 function luci.http.basic_auth(verify_callback, realm)
38 local user = luci.http.env.auth_user
39 local pass = luci.http.env.auth_password
42 if not user or not verify_callback(user, pass) then
43 luci.http.status("401", "Unauthorized")
44 luci.http.header("WWW-Authenticate", string.format('Basic realm="%s"', realm))
51 -- Returns the main dispatcher URL
52 function luci.http.dispatcher()
53 return luci.http.env.SCRIPT_NAME or ""
56 -- Returns the upload dispatcher URL
57 function luci.http.dispatcher_upload()
61 -- Returns a table of all COOKIE, GET and POST Parameters
62 function luci.http.formvalues()
66 -- Gets form value from key
67 function luci.http.formvalue(key, default)
68 return luci.http.formvalues()[key] or default
71 -- Gets a table of values with a certain prefix
72 function luci.http.formvaluetable(prefix)
74 prefix = prefix and prefix .. "." or "."
76 for k, v in pairs(luci.http.formvalues()) do
77 if k:find(prefix, 1, true) == 1 then
78 vals[k:sub(#prefix + 1)] = v
85 -- Sends a custom HTTP-Header
86 function luci.http.header(key, value)
87 print(key .. ": " .. value)
91 function luci.http.prepare_content(type)
92 if not status_set then
93 luci.http.status(200, "OK")
96 print("Content-Type: "..type.."\n")
99 -- Asks the browser to redirect to "url"
100 function luci.http.redirect(url)
101 luci.http.status(302, "Found")
102 luci.http.header("Location", url)
106 -- Returns the path of an uploaded file
107 -- WARNING! File uploads can be easily spoofed! Do additional sanity checks!
108 function luci.http.upload(name)
112 -- Sets HTTP-Status-Header
113 function luci.http.status(code, message)
114 print(luci.http.env.SERVER_PROTOCOL .. " " .. tostring(code) .. " " .. message)