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--[[
FFLuCI - HTTP-Interaction
Description:
HTTP-Header manipulator and form variable preprocessor
FileId:
$Id$
ToDo:
- Cookie handling
License:
Copyright 2008 Steven Barth <steven@midlink.org>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
]]--
module("ffluci.http", package.seeall)
require("ffluci.util")
-- Sets HTTP-Status-Header
function status(code, message)
print("Status: " .. tostring(code) .. " " .. message)
end
-- Asks the browser to redirect to "url"
function redirect(url, qs)
if qs then
url = url .. "?" .. qs
end
status(302, "Found")
print("Location: " .. url .. "\n")
end
-- Same as redirect but accepts category, module and action for internal use
function request_redirect(category, module, action, ...)
category = category or "public"
module = module or "index"
action = action or "index"
local pattern = script_name() .. "/%s/%s/%s"
redirect(pattern:format(category, module, action), ...)
end
-- Returns the script name
function script_name()
return ENV.SCRIPT_NAME
end
-- Gets form value from key
function formvalue(key, default)
local c = formvalues()
for match in key:gmatch("[%w-_]+") do
c = c[match]
if c == nil then
return default
end
end
return c
end
-- Returns a table of all COOKIE, GET and POST Parameters
function formvalues()
return FORM
end
-- Prints plaintext content-type header
function textheader()
print("Content-Type: text/plain\n")
end
-- Prints html content-type header
function htmlheader()
print("Content-Type: text/html\n")
end
-- Prints xml content-type header
function xmlheader()
print("Content-Type: text/xml\n")
end
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