diff options
Diffstat (limited to 'plugins/mod_http.lua')
| -rw-r--r-- | plugins/mod_http.lua | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/plugins/mod_http.lua b/plugins/mod_http.lua new file mode 100644 index 00000000..95933da5 --- /dev/null +++ b/plugins/mod_http.lua @@ -0,0 +1,146 @@ +-- Prosody IM +-- Copyright (C) 2008-2012 Matthew Wild +-- Copyright (C) 2008-2012 Waqas Hussain +-- +-- This project is MIT/X11 licensed. Please see the +-- COPYING file in the source package for more information. +-- + +module:set_global(); +module:depends("http_errors"); + +local portmanager = require "core.portmanager"; +local moduleapi = require "core.moduleapi"; +local url_parse = require "socket.url".parse; +local url_build = require "socket.url".build; + +local server = require "net.http.server"; + +server.set_default_host(module:get_option_string("http_default_host")); + +local function normalize_path(path) + if path:sub(-1,-1) == "/" then path = path:sub(1, -2); end + if path:sub(1,1) ~= "/" then path = "/"..path; end + return path; +end + +local function get_http_event(host, app_path, key) + local method, path = key:match("^(%S+)%s+(.+)$"); + if not method then -- No path specified, default to "" (base path) + method, path = key, ""; + end + if method:sub(1,1) == "/" then + return nil; + end + if app_path == "/" and path:sub(1,1) == "/" then + app_path = ""; + end + return method:upper().." "..host..app_path..path; +end + +local function get_base_path(host_module, app_name, default_app_path) + return (normalize_path(host_module:get_option("http_paths", {})[app_name] -- Host + or module:get_option("http_paths", {})[app_name] -- Global + or default_app_path)) -- Default + :gsub("%$(%w+)", { host = module.host }); +end + +local ports_by_scheme = { http = 80, https = 443, }; + +-- Helper to deduce a module's external URL +function moduleapi.http_url(module, app_name, default_path) + app_name = app_name or (module.name:gsub("^http_", "")); + local external_url = url_parse(module:get_option_string("http_external_url")) or {}; + local services = portmanager.get_active_services(); + local http_services = services:get("https") or services:get("http") or {}; + for interface, ports in pairs(http_services) do + for port, services in pairs(ports) do + local url = { + scheme = (external_url.scheme or services[1].service.name); + host = (external_url.host or module:get_option_string("http_host", module.host)); + port = tonumber(external_url.port) or port or 80; + path = normalize_path(external_url.path or "/").. + (get_base_path(module, app_name, default_path or "/"..app_name):sub(2)); + } + if ports_by_scheme[url.scheme] == url.port then url.port = nil end + return url_build(url); + end + end +end + +function module.add_host(module) + local host = module:get_option_string("http_host", module.host); + local apps = {}; + module.environment.apps = apps; + local function http_app_added(event) + local app_name = event.item.name; + local default_app_path = event.item.default_path or "/"..app_name; + local app_path = get_base_path(module, app_name, default_app_path); + if not app_name then + -- TODO: Link to docs + module:log("error", "HTTP app has no 'name', add one or use module:provides('http', app)"); + return; + end + apps[app_name] = apps[app_name] or {}; + local app_handlers = apps[app_name]; + for key, handler in pairs(event.item.route or {}) do + local event_name = get_http_event(host, app_path, key); + if event_name then + if type(handler) ~= "function" then + local data = handler; + handler = function () return data; end + elseif event_name:sub(-2, -1) == "/*" then + local base_path_len = #event_name:match("/.+$"); + local _handler = handler; + handler = function (event) + local path = event.request.path:sub(base_path_len); + return _handler(event, path); + end; + end + if not app_handlers[event_name] then + app_handlers[event_name] = handler; + module:hook_object_event(server, event_name, handler); + else + module:log("warn", "App %s added handler twice for '%s', ignoring", app_name, event_name); + end + else + module:log("error", "Invalid route in %s, %q. See http://prosody.im/doc/developers/http#routes", app_name, key); + end + end + end + + local function http_app_removed(event) + local app_handlers = apps[event.item.name]; + apps[event.item.name] = nil; + for event, handler in pairs(app_handlers) do + module:unhook_object_event(server, event, handler); + end + end + + module:handle_items("http-provider", http_app_added, http_app_removed); + + server.add_host(host); + function module.unload() + server.remove_host(host); + end +end + +module:provides("net", { + name = "http"; + listener = server.listener; + default_port = 5280; + multiplex = { + pattern = "^[A-Z]"; + }; +}); + +module:provides("net", { + name = "https"; + listener = server.listener; + default_port = 5281; + encryption = "ssl"; + ssl_config = { verify = "none" }; + multiplex = { + pattern = "^[A-Z]"; + }; +}); |