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-rw-r--r--core/configmanager.lua158
1 files changed, 63 insertions, 95 deletions
diff --git a/core/configmanager.lua b/core/configmanager.lua
index c8aa7b9a..16d4b8e2 100644
--- a/core/configmanager.lua
+++ b/core/configmanager.lua
@@ -1,7 +1,7 @@
-- 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.
--
@@ -15,26 +15,31 @@ local fire_event = prosody and prosody.events.fire_event or function () end;
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);
-local have_encodings, encodings = pcall(require, "util.encodings");
-local nameprep = have_encodings and encodings.stringprep.nameprep or function (host) return host:lower(); end
+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;
-module "configmanager"
+_M.resolve_relative_path = resolve_relative_path; -- COMPAT
local parsers = {};
-local config_mt = { __index = function (t, k) return rawget(t, "*"); end};
+local config_mt = { __index = function (t, _) return rawget(t, "*"); end};
local config = setmetatable({ ["*"] = { } }, config_mt);
-- When host not found, use global
local host_mt = { __index = function(_, k) return config["*"][k] end }
-function getconfig()
+function _M.getconfig()
return config;
end
-function get(host, key, _oldkey)
+function _M.get(host, key, _oldkey)
if key == "core" then
key = _oldkey; -- COMPAT with code that still uses "core"
end
@@ -50,11 +55,11 @@ function _M.rawget(host, key, _oldkey)
end
end
-local function set(config, host, key, value)
+local function set(config_table, host, key, value)
if host and key then
- local hostconfig = rawget(config, host);
+ 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
hostconfig[key] = value;
return true;
@@ -69,55 +74,20 @@ function _M.set(host, key, value, _oldvalue)
return set(config, host, key, value);
end
--- Helper function to resolve relative paths (needed by config)
-do
- function resolve_relative_path(parent_path, path)
- if path then
- -- Some normalization
- parent_path = parent_path:gsub("%"..path_sep.."+$", "");
- path = path:gsub("^%.%"..path_sep.."+", "");
-
- local is_relative;
- if path_sep == "/" and path:sub(1,1) ~= "/" then
- is_relative = true;
- elseif path_sep == "\\" and (path:sub(1,1) ~= "/" and (path:sub(2,3) ~= ":\\" and path:sub(2,3) ~= ":/")) then
- is_relative = true;
- end
- if is_relative then
- return parent_path..path_sep..path;
- end
- end
- return path;
- end
-end
+function _M.load(filename, config_format)
+ config_format = config_format or filename:match("%w+$");
--- 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).."$";
-end
-
-function load(filename, format)
- format = format or filename:match("%w+$");
-
- 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({ ["*"] = { } }, config_mt);
- local ok, err = parsers[format].load(f:read("*a"), filename, new_config);
+ 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
@@ -126,98 +96,95 @@ 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 = _G.rawget;
+ 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)
+ __index = function (_, k)
return rawget(_G, k);
end,
- __newindex = function (t, k, v)
- set(config, env.__currenthost or "*", 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)
name = nameprep(name);
- if rawget(config, name) and rawget(config[name], "component_module") then
+ 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].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 "*", "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 "*", 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)
name = nameprep(name);
- if rawget(config, name) and rawget(config[name], "defined") and not rawget(config[name], "component_module") then
+ 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, "component_module", "component");
+ set(config_table, name, "component_module", "component");
-- Don't load the global modules by default
- set(config, name, "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 "*", 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, "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)
+ -- Check whether this is a wildcard Include
if file:match("[*?]") then
local lfs = deps.softreq "lfs";
if not lfs then
@@ -237,38 +204,39 @@ do
env.Include(path..path_sep..f);
end
end
- else
- local file = resolve_relative_path(config_file:gsub("[^"..path_sep.."]+$", ""), file);
- local f, err = io.open(file);
- if f then
- local ret, err = parsers.lua.load(f:read("*a"), file, config);
- if not ret then error(err:gsub("%[string.-%]", file), 0); end
- end
- if not f then error("Error loading included "..file..": "..err, 0); end
- return f, err;
+ return;
+ end
+ -- Not a wildcard, so resolve (potentially) relative path and run through config parser
+ file = resolve_relative_path(config_file:gsub("[^"..path_sep.."]+$", ""), 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;
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