prosody
c7bb2264e3b8
plugins/mod_httpserver.lua

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plugins/mod_httpserver.lua @ 1667:c7bb2264e3b8

mod_httpserver: Set default file handler (you can now request static files as /*) and restructure code a bit
author Matthew Wild <mwild1@gmail.com>
date Tue, 11 Aug 2009 21:33:24 +0100
parent 1552:334b66f614a6
child 1771:39e6b986ef01
comparison
equal deleted inserted replaced
1666:d1243b321c45 1667:c7bb2264e3b8
12 local open = io.open; 12 local open = io.open;
13 local t_concat = table.concat; 13 local t_concat = table.concat;
14 14
15 local http_base = "www_files"; 15 local http_base = "www_files";
16 16
17 local response_400 = { status = "400 Bad Request", body = "<h1>Bad Request</h1>Sorry, we didn't understand your request :(" };
17 local response_404 = { status = "404 Not Found", body = "<h1>Page Not Found</h1>Sorry, we couldn't find what you were looking for :(" }; 18 local response_404 = { status = "404 Not Found", body = "<h1>Page Not Found</h1>Sorry, we couldn't find what you were looking for :(" };
18 19
19 local http_path = { http_base }; 20 local function preprocess_path(path)
20 local function handle_request(method, body, request) 21 if path:sub(1,1) ~= "/" then
21 local path = request.url.path:gsub("%.%.%/", ""):gsub("^/[^/]+", ""); 22 path = "/"..path;
22 http_path[2] = path; 23 end
23 local f, err = open(t_concat(http_path), "r"); 24 local level = 0;
25 for component in path:gmatch("([^/]+)/") do
26 if component == ".." then
27 level = level - 1;
28 elseif component ~= "." then
29 level = level + 1;
30 end
31 if level < 0 then
32 return nil;
33 end
34 end
35 return path;
36 end
37
38 function serve_file(path)
39 local f, err = open(http_base..path, "r");
24 if not f then return response_404; end 40 if not f then return response_404; end
25 local data = f:read("*a"); 41 local data = f:read("*a");
26 f:close(); 42 f:close();
27 return data; 43 return data;
28 end 44 end
29 45
46 local function handle_file_request(method, body, request)
47 local path = preprocess_path(request.url.path);
48 if not path then return response_400; end
49 path = path:gsub("^/[^/]+", ""); -- Strip /files/
50 return serve_file(path);
51 end
52
53 local function handle_default_request(method, body, request)
54 local path = preprocess_path(request.url.path);
55 if not path then return response_400; end
56 return serve_file(path);
57 end
58
30 local ports = config.get(module.host, "core", "http_ports") or { 5280 }; 59 local ports = config.get(module.host, "core", "http_ports") or { 5280 };
31 httpserver.new_from_config(ports, "files", handle_request); 60 httpserver.set_default_handler(handle_default_request);
61 httpserver.new_from_config(ports, "files", handle_file_request);