2 -- Copyright (C) 2008-2012 Matthew Wild
3 -- Copyright (C) 2008-2012 Waqas Hussain
5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information.
10 module:depends("http_errors");
12 local portmanager = require "core.portmanager";
13 local moduleapi = require "core.moduleapi";
14 local url_parse = require "socket.url".parse;
15 local url_build = require "socket.url".build;
17 local server = require "net.http.server";
19 server.set_default_host(module:get_option_string("http_default_host"));
21 local function normalize_path(path)
22 if path:sub(-1,-1) == "/" then path = path:sub(1, -2); end
23 if path:sub(1,1) ~= "/" then path = "/"..path; end
27 local function get_http_event(host, app_path, key)
28 local method, path = key:match("^(%S+)%s+(.+)$");
29 if not method then -- No path specified, default to "" (base path)
30 method, path = key, "";
32 if method:sub(1,1) == "/" then
35 if app_path == "/" and path:sub(1,1) == "/" then
38 return method:upper().." "..host..app_path..path;
41 local function get_base_path(host_module, app_name, default_app_path)
42 return (normalize_path(host_module:get_option("http_paths", {})[app_name] -- Host
43 or module:get_option("http_paths", {})[app_name] -- Global
44 or default_app_path)) -- Default
45 :gsub("%$(%w+)", { host = host_module.host });
48 local ports_by_scheme = { http = 80, https = 443, };
50 -- Helper to deduce a module's external URL
51 function moduleapi.http_url(module, app_name, default_path)
52 app_name = app_name or (module.name:gsub("^http_", ""));
53 local external_url = url_parse(module:get_option_string("http_external_url")) or {};
54 if external_url.scheme and external_url.port == nil then
55 external_url.port = ports_by_scheme[external_url.scheme];
57 local services = portmanager.get_active_services();
58 local http_services = services:get("https") or services:get("http") or {};
59 for interface, ports in pairs(http_services) do
60 for port, services in pairs(ports) do
62 scheme = (external_url.scheme or services[1].service.name);
63 host = (external_url.host or module:get_option_string("http_host", module.host));
64 port = tonumber(external_url.port) or port or 80;
65 path = normalize_path(external_url.path or "/")..
66 (get_base_path(module, app_name, default_path or "/"..app_name):sub(2));
68 if ports_by_scheme[url.scheme] == url.port then url.port = nil end
69 return url_build(url);
72 module:log("warn", "No http ports enabled, can't generate an external URL");
73 return "http://disabled.invalid/";
76 function module.add_host(module)
77 local host = module:get_option_string("http_host", module.host);
79 module.environment.apps = apps;
80 local function http_app_added(event)
81 local app_name = event.item.name;
82 local default_app_path = event.item.default_path or "/"..app_name;
83 local app_path = get_base_path(module, app_name, default_app_path);
86 module:log("error", "HTTP app has no 'name', add one or use module:provides('http', app)");
89 apps[app_name] = apps[app_name] or {};
90 local app_handlers = apps[app_name];
91 for key, handler in pairs(event.item.route or {}) do
92 local event_name = get_http_event(host, app_path, key);
94 if type(handler) ~= "function" then
96 handler = function () return data; end
97 elseif event_name:sub(-2, -1) == "/*" then
98 local base_path_len = #event_name:match("/.+$");
99 local _handler = handler;
100 handler = function (event)
101 local path = event.request.path:sub(base_path_len);
102 return _handler(event, path);
105 if not app_handlers[event_name] then
106 app_handlers[event_name] = handler;
107 module:hook_object_event(server, event_name, handler);
109 module:log("warn", "App %s added handler twice for '%s', ignoring", app_name, event_name);
112 module:log("error", "Invalid route in %s, %q. See http://prosody.im/doc/developers/http#routes", app_name, key);
115 local services = portmanager.get_active_services();
116 if services:get("https") or services:get("http") then
117 module:log("debug", "Serving '%s' at %s", app_name, module:http_url(app_name, app_path));
119 module:log("warn", "Not listening on any ports, '%s' will be unreachable", app_name);
123 local function http_app_removed(event)
124 local app_handlers = apps[event.item.name];
125 apps[event.item.name] = nil;
126 for event, handler in pairs(app_handlers) do
127 module:unhook_object_event(server, event, handler);
131 module:handle_items("http-provider", http_app_added, http_app_removed);
133 server.add_host(host);
134 function module.unload()
135 server.remove_host(host);
139 module:provides("net", {
141 listener = server.listener;
148 module:provides("net", {
150 listener = server.listener;
153 ssl_config = { verify = "none" };