+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
local _G = _G;
-local setmetatable, loadfile, pcall, rawget, rawset, io =
- setmetatable, loadfile, pcall, rawget, rawset, io;
+local setmetatable, loadfile, pcall, rawget, rawset, io, error, dofile, type, pairs, table, format =
+ setmetatable, loadfile, pcall, rawget, rawset, io, error, dofile, type, pairs, table, string.format;
+
+
+local fire_event = prosody and prosody.events.fire_event or function () end;
+
+local path_sep = package.config:sub(1,1);
module "configmanager"
local parsers = {};
-local config = { ["*"] = { core = {} } };
-
-local global_config = config["*"];
+local config_mt = { __index = function (t, k) return rawget(t, "*"); end};
+local config = setmetatable({ ["*"] = { core = {} } }, config_mt);
-- When host not found, use global
-setmetatable(config, { __index = function () return global_config; end});
-local host_mt = { __index = global_config };
+local host_mt = { };
-- When key not found in section, check key in global's section
function section_mt(section_name)
return { __index = function (t, k)
- local section = rawget(global_config, section_name);
- if not section then return nil; end
- return section[k];
- end };
+ local section = rawget(config["*"], section_name);
+ if not section then return nil; end
+ return section[k];
+ end
+ };
end
function getconfig()
return nil;
end
-function set(host, section, key, value)
+local function set(config, host, section, key, value)
if host and section and key then
local hostconfig = rawget(config, host);
if not hostconfig then
return false;
end
+function _M.set(host, section, key, value)
+ return set(config, host, section, key, value);
+end
+
+-- Helper function to resolve relative paths (needed by config)
+do
+ local rel_path_start = ".."..path_sep;
+ function resolve_relative_path(parent_path, path)
+ if path then
+ local is_relative;
+ if path_sep == "/" and path:sub(1,1) ~= "/" then
+ is_relative = true;
+ elseif path_sep == "\\" and (path:sub(1,1) ~= "/" and path:sub(2,3) ~= ":\\") then
+ is_relative = true;
+ end
+ if is_relative then
+ return parent_path..path_sep..path;
+ end
+ end
+ return path;
+ end
+end
+
function load(filename, format)
format = format or filename:match("%w+$");
if parsers[format] and parsers[format].load then
local f, err = io.open(filename);
- if f then
- local ok, err = parsers[format].load(f:read("*a"));
+ if f then
+ local new_config = setmetatable({ ["*"] = { core = {} } }, config_mt);
+ local ok, err = parsers[format].load(f:read("*a"), filename, new_config);
f:close();
- return ok, err;
+ if ok then
+ config = new_config;
+ fire_event("config-reloaded", {
+ filename = filename,
+ format = format,
+ config = config
+ });
+ end
+ return ok, "parser", err;
end
- return f, err;
+ return f, "file", err;
end
if not format then
- return nil, "no parser specified";
+ return nil, "file", "no parser specified";
else
- return nil, "no parser for "..(format);
+ return nil, "file", "no parser for "..(format);
end
end
end
end
+-- _M needed to avoid name clash with local 'parsers'
+function _M.parsers()
+ local p = {};
+ for format in pairs(parsers) do
+ table.insert(p, format);
+ end
+ return p;
+end
+
-- Built-in Lua parser
do
local loadstring, pcall, setmetatable = _G.loadstring, _G.pcall, _G.setmetatable;
local setfenv, rawget, tostring = _G.setfenv, _G.rawget, _G.tostring;
parsers.lua = {};
- function parsers.lua.load(data)
+ function parsers.lua.load(data, filename, config)
local env;
- env = setmetatable({ Host = true; host = true; }, { __index = function (t, k)
- return rawget(_G, k) or
- function (settings_table)
- config[__currenthost or "*"][k] = settings_table;
- end;
- end,
- __newindex = function (t, k, v)
- set(env.__currenthost or "*", "core", k, v);
- end});
+ -- The ' = true' are needed so as not to set off __newindex when we assign the functions below
+ env = setmetatable({
+ Host = true, host = true, VirtualHost = true,
+ Component = true, component = true,
+ Include = true, include = true, RunScript = true }, {
+ __index = function (t, k)
+ return rawget(_G, k) or
+ function (settings_table)
+ config[__currenthost or "*"][k] = settings_table;
+ end;
+ end,
+ __newindex = function (t, k, v)
+ set(config, env.__currenthost or "*", "core", k, v);
+ end
+ });
+
+ rawset(env, "__currenthost", "*") -- Default is global
+ function env.VirtualHost(name)
+ if rawget(config, name) and rawget(config[name].core, "component_module") then
+ error(format("Host %q clashes with previously defined %s Component %q, for services use a sub-domain like conference.%s",
+ name, config[name].core.component_module:gsub("^%a+$", { component = "external", muc = "MUC"}), name, name), 0);
+ end
+ rawset(env, "__currenthost", name);
+ -- Needs at least one setting to logically exist :)
+ set(config, name or "*", "core", "defined", true);
+ return function (config_options)
+ rawset(env, "__currenthost", "*"); -- Return to global scope
+ for option_name, option_value in pairs(config_options) do
+ set(config, name or "*", "core", option_name, option_value);
+ end
+ end;
+ end
+ env.Host, env.host = env.VirtualHost, env.VirtualHost;
- function env.Host(name)
+ function env.Component(name)
+ if rawget(config, name) and rawget(config[name].core, "defined") and not rawget(config[name].core, "component_module") then
+ error(format("Component %q clashes with previously defined Host %q, for services use a sub-domain like conference.%s",
+ name, name, name), 0);
+ end
+ set(config, name, "core", "component_module", "component");
+ -- Don't load the global modules by default
+ set(config, name, "core", "load_global_modules", false);
rawset(env, "__currenthost", name);
- set(name or "*", "core", "defined", true);
+ local function handle_config_options(config_options)
+ rawset(env, "__currenthost", "*"); -- Return to global scope
+ for option_name, option_value in pairs(config_options) do
+ set(config, name or "*", "core", option_name, option_value);
+ end
+ end
+
+ return function (module)
+ if type(module) == "string" then
+ set(config, name, "core", "component_module", module);
+ return handle_config_options;
+ end
+ return handle_config_options(module);
+ end
+ end
+ env.component = env.Component;
+
+ function env.Include(file)
+ local f, err = io.open(file);
+ if f then
+ local data = f:read("*a");
+ local file = resolve_relative_path(filename:gsub("[^"..path_sep.."]+$", ""), file);
+ local ret, err = parsers.lua.load(data, file, config);
+ if not ret then error(err:gsub("%[string.-%]", file), 0); end
+ end
+ if not f then error("Error loading included "..file..": "..err, 0); end
+ return f, err;
+ end
+ env.include = env.Include;
+
+ function env.RunScript(file)
+ return dofile(resolve_relative_path(filename:gsub("[^"..path_sep.."]+$", ""), file));
end
- env.host = env.Host;
- local chunk, err = loadstring(data);
+ local chunk, err = loadstring(data, "@"..filename);
if not chunk then
return nil, err;
projects / prosody.git / blobdiff