Comparison

plugins/mod_actions_http.lua @ 699:30f5dcb654bd

Add mod_actions_http for executing actions through HTTP
author Matthew Wild <mwild1@gmail.com>
date Mon, 12 Jan 2009 04:09:02 +0000
child 700:9666ad50a353
comparison
equal deleted inserted replaced
698:d8a678e40a0a 699:30f5dcb654bd
1
2 local httpserver = require "net.httpserver";
3 local t_concat, t_insert = table.concat, table.insert;
4
5 local log = log;
6
7 local response_404 = { status = "404 Not Found", body = "<h1>No such action</h1>Sorry, I don't have the action you requested" };
8
9 local control = require "core.actions".actions;
10
11
12 local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = string.char(tonumber("0x"..k)); return t[k]; end });
13
14 local function urldecode(s)
15 return s and (s:gsub("+", " "):gsub("%%([a-fA-F0-9][a-fA-F0-9])", urlcodes));
16 end
17
18 local function query_to_table(query)
19 if type(query) == "string" and #query > 0 then
20 if query:match("=") then
21 local params = {};
22 for k, v in query:gmatch("&?([^=%?]+)=([^&%?]+)&?") do
23 if k and v then
24 params[urldecode(k)] = urldecode(v);
25 end
26 end
27 return params;
28 else
29 return urldecode(query);
30 end
31 end
32 end
33
34
35
36 local http_path = { http_base };
37 local function handle_request(method, body, request)
38 local path = request.url.path:gsub("^/[^/]+/", "");
39
40 local curr = control;
41
42 for comp in path:gmatch("([^/]+)") do
43 curr = curr[comp];
44 if not curr then
45 return response_404;
46 end
47 end
48
49 if type(curr) == "table" then
50 local s = {};
51 for k,v in pairs(curr) do
52 t_insert(s, tostring(k));
53 t_insert(s, " = ");
54 if type(v) == "function" then
55 t_insert(s, "action")
56 else
57 t_insert(s, tostring(v));
58 end
59 t_insert(s, "\n");
60 end
61 return t_concat(s);
62 elseif type(curr) == "function" then
63 local params = query_to_table(request.url.query);
64 params.host = request.headers.host:gsub(":%d+", "");
65 local ok, ret1, ret2 = pcall(curr, params);
66 if not ok then
67 return "EPIC FAIL: "..tostring(ret1);
68 elseif not ret1 then
69 return "FAIL: "..tostring(ret2);
70 else
71 return "OK: "..tostring(ret2);
72 end
73 end
74 end
75
76 httpserver.new{ port = 5280, base = "control", handler = handle_request, ssl = false }