61 lines
No EOL
1.3 KiB
Lua
61 lines
No EOL
1.3 KiB
Lua
--[[
|
|
|
|
Session authentication
|
|
(c) 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
|
|
|
|
$Id$
|
|
|
|
]]--
|
|
module("luci.sauth", package.seeall)
|
|
require("luci.fs")
|
|
require("luci.config")
|
|
|
|
|
|
luci.config.sauth = luci.config.sauth or {}
|
|
sessionpath = luci.config.sauth.sessionpath
|
|
sessiontime = tonumber(luci.config.sauth.sessiontime)
|
|
|
|
|
|
function clean()
|
|
local now = os.time()
|
|
local files = luci.fs.dir(sessionpath)
|
|
|
|
if not files then
|
|
return nil
|
|
end
|
|
|
|
for i, file in pairs(files) do
|
|
local fname = sessionpath .. "/" .. file
|
|
local stat = luci.fs.stat(fname)
|
|
if stat and stat.type == "regular" and stat.atime + sessiontime < now then
|
|
luci.fs.unlink(fname)
|
|
end
|
|
end
|
|
end
|
|
|
|
function prepare()
|
|
luci.fs.mkdir(sessionpath)
|
|
luci.fs.chmod(sessionpath, "a-rwx,u+rwx")
|
|
end
|
|
|
|
function read(id)
|
|
if not id then
|
|
return
|
|
end
|
|
clean()
|
|
return luci.fs.readfile(sessionpath .. "/" .. id)
|
|
end
|
|
|
|
function write(id, data)
|
|
if not luci.fs.stat(sessionpath) then
|
|
prepare()
|
|
end
|
|
luci.fs.writefile(sessionpath .. "/" .. id, data)
|
|
luci.fs.chmod(sessionpath .. "/" .. id, "a-rwx,u+rw")
|
|
end |