diff options
Diffstat (limited to 'core/configmanager.lua')
-rw-r--r-- | core/configmanager.lua | 126 |
1 files changed, 59 insertions, 67 deletions
diff --git a/core/configmanager.lua b/core/configmanager.lua index b703bb8c..d92120d0 100644 --- a/core/configmanager.lua +++ b/core/configmanager.lua @@ -1,18 +1,19 @@ -- 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, error, dofile, type, pairs, table = - setmetatable, loadfile, pcall, rawget, rawset, io, error, dofile, type, pairs, table; +local setmetatable, rawget, rawset, io, error, dofile, type, pairs, table = + setmetatable, rawget, rawset, io, error, dofile, type, pairs, table; local format, math_max = string.format, math.max; local fire_event = prosody and prosody.events.fire_event or function () end; +local envload = require"util.envload".envload; local lfs = require "lfs"; local path_sep = package.config:sub(1,1); @@ -21,65 +22,62 @@ module "configmanager" local parsers = {}; local config_mt = { __index = function (t, k) return rawget(t, "*"); end}; -local config = setmetatable({ ["*"] = { core = {} } }, config_mt); +local config = setmetatable({ ["*"] = { } }, config_mt); -- When host not found, use global -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(config["*"], section_name); - if not section then return nil; end - return section[k]; - end - }; -end +local host_mt = { __index = function(_, k) return config["*"][k] end } function getconfig() return config; end -function get(host, section, key) - local sec = config[host][section]; - if sec then - return sec[key]; +function get(host, key, _oldkey) + if key == "core" then + key = _oldkey; -- COMPAT with code that still uses "core" + end + return config[host][key]; +end +function _M.rawget(host, key, _oldkey) + if key == "core" then + key = _oldkey; -- COMPAT with code that still uses "core" + end + local hostconfig = rawget(config, host); + if hostconfig then + return rawget(hostconfig, key); end - return nil; end -local function set(config, host, section, key, value) - if host and section and key then +local function set(config, host, key, value) + if host and key then local hostconfig = rawget(config, host); if not hostconfig then hostconfig = rawset(config, host, setmetatable({}, host_mt))[host]; end - if not rawget(hostconfig, section) then - hostconfig[section] = setmetatable({}, section_mt(section)); - end - hostconfig[section][key] = value; + hostconfig[key] = value; return true; end return false; end -function _M.set(host, section, key, value) - return set(config, host, section, key, value); +function _M.set(host, key, value, _oldvalue) + if key == "core" then + key, value = value, _oldvalue; --COMPAT with code that still uses "core" + end + return set(config, host, 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 -- Some normalization parent_path = parent_path:gsub("%"..path_sep.."+$", ""); path = path:gsub("^%.%"..path_sep.."+", ""); - + 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 + elseif path_sep == "\\" and (path:sub(1,1) ~= "/" and (path:sub(2,3) ~= ":\\" and path:sub(2,3) ~= ":/")) then is_relative = true; end if is_relative then @@ -87,7 +85,7 @@ do end end return path; - end + end end -- Helper function to convert a glob to a Lua pattern @@ -109,7 +107,7 @@ function load(filename, format) if parsers[format] and parsers[format].load then local f, err = io.open(filename); if f then - local new_config = setmetatable({ ["*"] = { core = {} } }, config_mt); + local new_config = setmetatable({ ["*"] = { } }, config_mt); local ok, err = parsers[format].load(f:read("*a"), filename, new_config); f:close(); if ok then @@ -152,8 +150,8 @@ 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; + local pcall, setmetatable = _G.pcall, _G.setmetatable; + local rawget = _G.rawget; parsers.lua = {}; function parsers.lua.load(data, config_file, config) local env; @@ -163,61 +161,58 @@ do 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; + return rawget(_G, k); end, __newindex = function (t, k, v) - set(config, env.__currenthost or "*", "core", k, v); + set(config, env.__currenthost or "*", 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 + if rawget(config, name) and rawget(config[name], "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); + name, config[name].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); + set(config, name or "*", "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); + set(config, name or "*", option_name, option_value); end end; end env.Host, env.host = env.VirtualHost, env.VirtualHost; - + function env.Component(name) - if rawget(config, name) and rawget(config[name].core, "defined") and not rawget(config[name].core, "component_module") then + if rawget(config, name) and rawget(config[name], "defined") and not rawget(config[name], "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"); + set(config, name, "component_module", "component"); -- Don't load the global modules by default - set(config, name, "core", "load_global_modules", false); + set(config, name, "load_global_modules", false); rawset(env, "__currenthost", name); 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); + set(config, name or "*", option_name, option_value); end end - + return function (module) if type(module) == "string" then - set(config, name, "core", "component_module", module); + set(config, name, "component_module", module); return handle_config_options; end return handle_config_options(module); end end env.component = env.Component; - - function env.Include(file, wildcard) + + function env.Include(file) if file:match("[*?]") then local path_pos, glob = file:match("()([^"..path_sep.."]+)$"); local path = file:sub(1, math_max(path_pos-2,0)); @@ -234,11 +229,10 @@ do end end else + local file = resolve_relative_path(config_file:gsub("[^"..path_sep.."]+$", ""), file); local f, err = io.open(file); if f then - local data = f:read("*a"); - local file = resolve_relative_path(config_file:gsub("[^"..path_sep.."]+$", ""), file); - local ret, err = parsers.lua.load(data, file, config); + local ret, err = parsers.lua.load(f:read("*a"), 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 @@ -246,28 +240,26 @@ do end end env.include = env.Include; - + function env.RunScript(file) return dofile(resolve_relative_path(config_file:gsub("[^"..path_sep.."]+$", ""), file)); end - - local chunk, err = loadstring(data, "@"..config_file); - + + local chunk, err = envload(data, "@"..config_file, env); + if not chunk then return nil, err; end - - setfenv(chunk, env); - + local ok, err = pcall(chunk); - + if not ok then return nil, err; end - + return true; end - + end return _M; |