1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
-- 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, 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;
module "configmanager"
local parsers = {};
local config_mt = { __index = function (t, k) return rawget(t, "*"); end};
local config = setmetatable({ ["*"] = { core = {} } }, 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
function getconfig()
return config;
end
function get(host, section, key)
local sec = config[host][section];
if sec then
return sec[key];
end
return nil;
end
local function set(config, host, section, key, value)
if host and section 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;
return true;
end
return false;
end
function _M.set(host, section, key, value)
return set(config, host, section, key, value);
end
function load(filename, format)
format = format or filename:match("%w+$");
if parsers[format] and parsers[format].load then
local f, err = io.open(filename);
if f then
local new_config, err = parsers[format].load(f:read("*a"), filename);
f:close();
if new_config then
setmetatable(new_config, config_mt);
config = new_config;
fire_event("config-reloaded", {
filename = filename,
format = format,
config = config
});
end
return not not new_config, "parser", err;
end
return f, "file", err;
end
if not format then
return nil, "file", "no parser specified";
else
return nil, "file", "no parser for "..(format);
end
end
function save(filename, format)
end
function addparser(format, parser)
if format and parser then
parsers[format] = parser;
end
end
-- _M needed to avoid name clash with local 'parsers'
function _M.parsers()
local p = {};
for format in pairs(parsers) do
table.insert(p, format);
end
return p;
end
-- Built-in Lua parser
do
local loadstring, pcall, setmetatable = _G.loadstring, _G.pcall, _G.setmetatable;
local setfenv, rawget, tostring = _G.setfenv, _G.rawget, _G.tostring;
parsers.lua = {};
function parsers.lua.load(data, filename)
local config = { ["*"] = { core = {} } };
local env;
-- The ' = true' are needed so as not to set off __newindex when we assign the functions below
env = setmetatable({
Host = true, host = true, VirtualHost = true,
Component = true, component = true,
Include = true, include = true, RunScript = dofile }, {
__index = function (t, k)
return rawget(_G, k) or
function (settings_table)
config[__currenthost or "*"][k] = settings_table;
end;
end,
__newindex = function (t, k, v)
set(config, env.__currenthost or "*", "core", k, v);
end
});
rawset(env, "__currenthost", "*") -- Default is global
function env.VirtualHost(name)
if rawget(config, name) and rawget(config[name].core, "component_module") then
error(format("Host %q clashes with previously defined %s Component %q, for services use a sub-domain like conference.%s",
name, config[name].core.component_module:gsub("^%a+$", { 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.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);
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 ok, err = parsers.lua.load(data, file);
if not ok 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;
local chunk, err = loadstring(data, "@"..filename);
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 config;
end
end
return _M;
|
