дзеркало
https://github.com/rspamd/rspamd.git
synced 2024-07-28 20:17:53 +02:00
93 рядки
2.9 KiB
Lua
93 рядки
2.9 KiB
Lua
--[[
|
|
Copyright (c) 2011-2015, Vsevolod Stakhov <vsevolod@highsecure.ru>
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice, this
|
|
list of conditions and the following disclaimer.
|
|
|
|
2. Redistributions in binary form must reproduce the above copyright notice,
|
|
this list of conditions and the following disclaimer in the documentation
|
|
and/or other materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
]]--
|
|
|
|
-- This is main lua config file for rspamd
|
|
|
|
local util = require "rspamd_util"
|
|
|
|
local reconf = config['regexp']
|
|
|
|
|
|
-- Uncategorized rules
|
|
|
|
-- Local rules
|
|
local r_bgcolor = '/BGCOLOR=/iP'
|
|
local r_font_color = '/font color=[\\"\']?\\#FFFFFF[\\"\']?/iP'
|
|
reconf['R_WHITE_ON_WHITE'] = string.format('(!(%s) & (%s))', r_bgcolor, r_font_color)
|
|
reconf['R_FLASH_REDIR_IMGSHACK'] = '/^(?:http:\\/\\/)?img\\d{1,5}\\.imageshack\\.us\\/\\S+\\.swf/U'
|
|
|
|
-- Different text parts
|
|
rspamd_config.R_PARTS_DIFFER = function(task)
|
|
local distance = task:get_mempool():get_variable('parts_distance', 'int')
|
|
|
|
if distance then
|
|
local nd = tonumber(distance)
|
|
|
|
if nd < 50 then
|
|
local score = 1 - util.tanh(nd / 100.0)
|
|
|
|
task:insert_result('R_PARTS_DIFFER', score, tostring(nd) .. '%')
|
|
end
|
|
end
|
|
|
|
return false
|
|
end
|
|
|
|
-- Date issues
|
|
rspamd_config.MISSING_DATE = function(task)
|
|
if rspamd_config:get_api_version() >= 5 then
|
|
if not task:get_header_raw('Date') then
|
|
return true
|
|
end
|
|
end
|
|
|
|
return false
|
|
end
|
|
rspamd_config.DATE_IN_FUTURE = function(task)
|
|
if rspamd_config:get_api_version() >= 5 then
|
|
local dm = task:get_date{format = 'message'}
|
|
local dt = task:get_date{format = 'connect'}
|
|
-- An 2 hour
|
|
if dm > 0 and dm - dt > 7200 then
|
|
return true
|
|
end
|
|
end
|
|
|
|
return false
|
|
end
|
|
rspamd_config.DATE_IN_PAST = function(task)
|
|
if rspamd_config:get_api_version() >= 5 then
|
|
local dm = task:get_date{format = 'message', gmt = true}
|
|
local dt = task:get_date{format = 'connect', gmt = true}
|
|
-- A day
|
|
if dm > 0 and dt - dm > 86400 then
|
|
return true
|
|
end
|
|
end
|
|
|
|
return false
|
|
end
|