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-- 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 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
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 = event_name:match("/(.+)/*$");
local _handler = handler;
handler = function (event)
local path = event.request.path:sub(#base_path+1);
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";
multiplex = {
pattern = "^[A-Z]";
};
});
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