X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=core%2Fconfigmanager.lua;h=16d4b8e2f4a0ecb2841600bc01973c6c83d00b60;hb=b6d336cbfe79bf837dbf89f80d4852aa58a110c4;hp=8fea3be59137c6d7dcf0f2e9ae7fe606ca91071d;hpb=6f3aa5875a850c18d671b2f70f6541da837664ce;p=prosody.git diff --git a/core/configmanager.lua b/core/configmanager.lua index 8fea3be5..16d4b8e2 100644 --- a/core/configmanager.lua +++ b/core/configmanager.lua @@ -1,135 +1,93 @@ -- 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 deps = require"util.dependencies"; +local resolve_relative_path = require"util.paths".resolve_relative_path; +local glob_to_pattern = require"util.paths".glob_to_pattern; local path_sep = package.config:sub(1,1); -module "configmanager" +local encodings = deps.softreq"util.encodings"; +local nameprep = encodings and encodings.stringprep.nameprep or function (host) return host:lower(); end + +local _M = {}; +local _ENV = nil; + +_M.resolve_relative_path = resolve_relative_path; -- COMPAT local parsers = {}; -local config_mt = { __index = function (t, k) return rawget(t, "*"); end}; -local config = setmetatable({ ["*"] = { core = {} } }, config_mt); +local config_mt = { __index = function (t, _) return rawget(t, "*"); end}; +local config = setmetatable({ ["*"] = { } }, config_mt); -- When host not found, use global -local host_mt = { }; +local host_mt = { __index = function(_, k) return config["*"][k] end } --- 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 - -function getconfig() +function _M.getconfig() return config; end -function get(host, section, key) - if not key then - section, key = "core", section; - end - local sec = config[host][section]; - if sec then - return sec[key]; +function _M.get(host, key, _oldkey) + if key == "core" then + key = _oldkey; -- COMPAT with code that still uses "core" end - return nil; + return config[host][key]; end -function _M.rawget(host, section, key) +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 - local sectionconfig = rawget(hostconfig, section); - if sectionconfig then - return rawget(sectionconfig, key); - end + return rawget(hostconfig, key); end end -local function set(config, host, section, key, value) - if host and section and key then - local hostconfig = rawget(config, host); +local function set(config_table, host, key, value) + if host and key then + local hostconfig = rawget(config_table, host); if not hostconfig then - hostconfig = rawset(config, host, setmetatable({}, host_mt))[host]; + hostconfig = rawset(config_table, 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); -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.."+$", ""); - path = path:gsub("^%.%"..path_sep.."+", ""); - - local is_relative; - if path_sep == "/" and path:sub(1,1) ~= "/" then - is_relative = true; - elseif path_sep == "\\" and (path:sub(1,1) ~= "/" and (path:sub(2,3) ~= ":\\" or path:sub(2,3) ~= ":/")) then - is_relative = true; - end - if is_relative then - return parent_path..path_sep..path; - end - end - return path; - end -end - --- Helper function to convert a glob to a Lua pattern -local function glob_to_pattern(glob) - return "^"..glob:gsub("[%p*?]", function (c) - if c == "*" then - return ".*"; - elseif c == "?" then - return "."; - else - return "%"..c; - end - end).."$"; +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 -function load(filename, format) - format = format or filename:match("%w+$"); +function _M.load(filename, config_format) + config_format = config_format or filename:match("%w+$"); - if parsers[format] and parsers[format].load then + if parsers[config_format] and parsers[config_format].load then local f, err = io.open(filename); if f then - local new_config = setmetatable({ ["*"] = { core = {} } }, config_mt); - local ok, err = parsers[format].load(f:read("*a"), filename, new_config); + local new_config = setmetatable({ ["*"] = { } }, config_mt); + local ok, err = parsers[config_format].load(f:read("*a"), filename, new_config); f:close(); if ok then config = new_config; fire_event("config-reloaded", { filename = filename, - format = format, + format = config_format, config = config }); end @@ -138,100 +96,100 @@ function load(filename, format) return f, "file", err; end - if not format then + if not config_format then return nil, "file", "no parser specified"; else - return nil, "file", "no parser for "..(format); + return nil, "file", "no parser for "..(config_format); end end -function save(filename, format) -end - -function addparser(format, parser) - if format and parser then - parsers[format] = parser; +function _M.addparser(config_format, parser) + if config_format and parser then + parsers[config_format] = parser; 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); + for config_format in pairs(parsers) do + table.insert(p, config_format); end return p; end -- Built-in Lua parser do - local pcall, setmetatable = _G.pcall, _G.setmetatable; - local rawget, tostring = _G.rawget, _G.tostring; + local pcall = _G.pcall; parsers.lua = {}; - function parsers.lua.load(data, config_file, config) + function parsers.lua.load(data, config_file, config_table) local env; -- 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; + __index = function (_, k) + return rawget(_G, k); end, - __newindex = function (t, k, v) - set(config, env.__currenthost or "*", "core", k, v); + __newindex = function (_, k, v) + set(config_table, 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 + name = nameprep(name); + if rawget(config_table, name) and rawget(config_table[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+$", { component = "external", muc = "MUC"}), name, name), 0); + name, config_table[name].component_module:gsub("^%a+$", { 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_table, 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_table, 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 + name = nameprep(name); + if rawget(config_table, name) and rawget(config_table[name], "defined") and not rawget(config_table[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_table, name, "component_module", "component"); -- Don't load the global modules by default - set(config, name, "core", "load_global_modules", false); + set(config_table, 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_table, 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_table, 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) + -- Check whether this is a wildcard Include if file:match("[*?]") then + local lfs = deps.softreq "lfs"; + if not lfs then + error(format("Error expanding wildcard pattern in Include %q - LuaFileSystem not available", file)); + end local path_pos, glob = file:match("()([^"..path_sep.."]+)$"); local path = file:sub(1, math_max(path_pos-2,0)); local config_path = config_file:gsub("[^"..path_sep.."]+$", ""); @@ -246,39 +204,39 @@ do env.Include(path..path_sep..f); end end - else - local f, err = io.open(file); - if f then - local data = f:read("*a"); - local file = resolve_relative_path(config_file:gsub("[^"..path_sep.."]+$", ""), file); - local ret, err = parsers.lua.load(data, file, config); - if not ret then error(err:gsub("%[string.-%]", file), 0); end - end - if not f then error("Error loading included "..file..": "..err, 0); end - return f, err; + return; + end + -- Not a wildcard, so resolve (potentially) relative path and run through config parser + file = resolve_relative_path(config_file:gsub("[^"..path_sep.."]+$", ""), file); + local f, err = io.open(file); + if f then + local ret, err = parsers.lua.load(f:read("*a"), file, config_table); + 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(config_file:gsub("[^"..path_sep.."]+$", ""), file)); end - + local chunk, err = envload(data, "@"..config_file, env); - + if not chunk then return nil, err; end - + local ok, err = pcall(chunk); - + if not ok then return nil, err; end - + return true; end - + end return _M;