4a83de1a4c93afec35d327d7f61bdd346a01d34d
[project/luci.git] / libs / httpd / luasrc / httpd / handler / luci.lua
1 --[[
2
3 HTTP server implementation for LuCI - luci handler
4 (c) 2008 Steven Barth <steven@midlink.org>
5
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
9
10 http://www.apache.org/licenses/LICENSE-2.0
11
12 $Id$
13
14 ]]--
15
16 module("luci.httpd.handler.luci", package.seeall)
17
18 require("luci.dispatcher")
19 require("luci.http")
20 require("luci.http.protocol.date")
21 require("ltn12")
22
23 Luci = luci.util.class(luci.httpd.module.Handler)
24 Response = luci.httpd.module.Response
25
26 function Luci.__init__(self)
27 luci.httpd.module.Handler.__init__(self)
28 end
29
30 function Luci.handle_head(self, ...)
31 local response, sourceout = self:handle_get(...)
32 return response
33 end
34
35 function Luci.handle_post(self, ...)
36 return self:handle_get(...)
37 end
38
39 function Luci.handle_get(self, request, sourcein, sinkerr)
40 local r = luci.http.Request(
41 request.env,
42 sourcein,
43 sinkerr
44 )
45
46 local res, id, data1, data2 = true, 0, nil, nil
47 local headers = {}
48 local status = 200
49
50 local x = coroutine.create(luci.dispatcher.httpdispatch)
51 while not id or id < 3 do
52 coroutine.yield()
53
54 res, id, data1, data2 = coroutine.resume(x, r)
55
56 if not res then
57 status = 500
58 headers["Content-Type"] = "text/plain"
59 local err = {id}
60 return Response( status, headers ), function() return table.remove(err) end
61 end
62
63 if id == 1 then
64 status = data1
65 elseif id == 2 then
66 headers[data1] = data2
67 end
68 end
69
70 local function iter()
71 local res, id, data = coroutine.resume(x)
72 if not res then
73 return nil, id
74 elseif not id then
75 return true
76 elseif id == 5 then
77 return nil
78 else
79 return data
80 end
81 end
82
83 headers["Expires"] = luci.http.protocol.date.to_http( os.time() )
84 headers["Date"] = headers["Expires"]
85
86 return Response(status, headers), iter
87 end