-- 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 lfs = require "lfs";
+local envload = require"util.envload".envload;
+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
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 loadstring, pcall, setmetatable = _G.loadstring, _G.pcall, _G.setmetatable;
- local setfenv, rawget, tostring = _G.setfenv, _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.."]+)$");
local path = file:sub(1, math_max(path_pos-2,0));
local config_path = config_file:gsub("[^"..path_sep.."]+$", "");
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 = 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;