mirror of
https://github.com/rspamd/rspamd.git
synced 2024-09-13 23:56:50 +02:00
73 lines
1.9 KiB
Lua
73 lines
1.9 KiB
Lua
--[[
|
|
Copyright (c) 2019, Vsevolod Stakhov <vsevolod@highsecure.ru>
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
]]--
|
|
|
|
--[[[
|
|
-- @module lua_settings
|
|
-- This module contains internal helpers for the settings infrastructure in Rspamd
|
|
-- More details at https://rspamd.com/doc/configuration/settings.html
|
|
--]]
|
|
|
|
local exports = {}
|
|
local known_ids = {}
|
|
|
|
-- Returns numeric representation of the settings id
|
|
local function numeric_settings_id(str)
|
|
local cr = require "rspamd_cryptobox_hash"
|
|
local util = require "rspamd_util"
|
|
local ret = util.unpack("I4",
|
|
cr.create_specific('xxh64'):update(str):bin())
|
|
|
|
return ret
|
|
end
|
|
|
|
local function register_settings_id(str, settings)
|
|
local numeric_id = numeric_settings_id(str)
|
|
|
|
if known_ids[numeric_id] then
|
|
-- Might be either rewrite or a collision
|
|
if known_ids[numeric_id].name ~= str then
|
|
local logger = require "rspamd_logger"
|
|
|
|
logger.errx(rspamd_config, 'settings ID clash! id %s maps to %s and conflicts with %s',
|
|
numeric_id, known_ids[numeric_id].name, str)
|
|
|
|
return nil
|
|
end
|
|
else
|
|
known_ids[numeric_id] = {
|
|
name = str,
|
|
settings = settings
|
|
}
|
|
end
|
|
|
|
return numeric_id
|
|
end
|
|
|
|
exports.register_settings_id = register_settings_id
|
|
|
|
local function reset_ids()
|
|
known_ids = {}
|
|
end
|
|
|
|
exports.reset_ids = reset_ids
|
|
|
|
local function settings_by_id(id)
|
|
return known_ids[id]
|
|
end
|
|
|
|
exports.settings_by_id = settings_by_id
|
|
|
|
return exports |