mailcow/data/conf/rspamd/lua/rspamd.local.lua

129 lines
4.3 KiB
Lua

rspamd_config.MAILCOW_AUTH = {
callback = function(task)
local uname = task:get_user()
if uname then
return 1
end
end
}
rspamd_config:register_symbol({
name = 'TAG_MOO',
type = 'postfilter',
callback = function(task)
local util = require("rspamd_util")
local rspamd_logger = require "rspamd_logger"
local tagged_rcpt = task:get_symbol("TAGGED_RCPT")
local mailcow_domain = task:get_symbol("RCPT_MAILCOW_DOMAIN")
if tagged_rcpt and tagged_rcpt[1].options and mailcow_domain then
local tag = tagged_rcpt[1].options[1]
rspamd_logger.infox("found tag: %s", tag)
local action = task:get_metric_action('default')
rspamd_logger.infox("metric action now: %s", action)
if action ~= 'no action' and action ~= 'greylist' then
rspamd_logger.infox("skipping tag handler for action: %s", action)
task:set_metric_action('default', action)
return true
end
local wants_subject_tag = task:get_symbol("RCPT_WANTS_SUBJECT_TAG")
local wants_subfolder_tag = task:get_symbol("RCPT_WANTS_SUBFOLDER_TAG")
if wants_subject_tag then
rspamd_logger.infox("user wants subject modified for tagged mail")
local sbj = task:get_header('Subject')
new_sbj = '=?UTF-8?B?' .. tostring(util.encode_base64('[' .. tag .. '] ' .. sbj)) .. '?='
task:set_milter_reply({
remove_headers = {['Subject'] = 1},
add_headers = {['Subject'] = new_sbj}
})
elseif wants_subfolder_tag then
rspamd_logger.infox("Add X-Moo-Tag header")
task:set_milter_reply({
add_headers = {['X-Moo-Tag'] = 'YES'}
})
end
end
end,
priority = 11
})
rspamd_config:register_symbol({
name = 'DYN_RL_CHECK',
type = 'prefilter',
callback = function(task)
local util = require("rspamd_util")
local redis_params = rspamd_parse_redis_server('dyn_rl')
local rspamd_logger = require "rspamd_logger"
local envfrom = task:get_from(1)
local uname = task:get_user()
if not envfrom or not uname then
return false
end
local uname = uname:lower()
local env_from_domain = envfrom[1].domain:lower() -- get smtp from domain in lower case
local function redis_cb_user(err, data)
if err or type(data) ~= 'string' then
rspamd_logger.infox(rspamd_config, "dynamic ratelimit request for user %s returned invalid or empty data (\"%s\") or error (\"%s\") - trying dynamic ratelimit for domain...", uname, data, err)
local function redis_key_cb_domain(err, data)
if err or type(data) ~= 'string' then
rspamd_logger.infox(rspamd_config, "dynamic ratelimit request for domain %s returned invalid or empty data (\"%s\") or error (\"%s\")", env_from_domain, data, err)
else
rspamd_logger.infox(rspamd_config, "found dynamic ratelimit in redis for domain %s with value %s", env_from_domain, data)
task:insert_result('DYN_RL', 0.0, data)
end
end
local redis_ret_domain = rspamd_redis_make_request(task,
redis_params, -- connect params
env_from_domain, -- hash key
false, -- is write
redis_key_cb_domain, --callback
'HGET', -- command
{'RL_VALUE', env_from_domain} -- arguments
)
if not redis_ret_domain then
rspamd_logger.infox(rspamd_config, "cannot make request to load ratelimit for domain")
end
else
rspamd_logger.infox(rspamd_config, "found dynamic ratelimit in redis for user %s with value %s", uname, data)
task:insert_result('DYN_RL', 0.0, data)
end
end
local redis_ret_user = rspamd_redis_make_request(task,
redis_params, -- connect params
uname, -- hash key
false, -- is write
redis_cb_user, --callback
'HGET', -- command
{'RL_VALUE', uname} -- arguments
)
if not redis_ret_user then
rspamd_logger.infox(rspamd_config, "cannot make request to load ratelimit for user")
end
return true
end,
priority = 20
})
rspamd_config:register_symbol({
name = 'NO_LOG_STAT',
type = 'postfilter',
callback = function(task)
local from = task:get_header('From')
if from and (string.find(from, 'monitoring-system@everycloudtech.us', 1, true) or from == 'watchdog@localhost') then
task:set_flag('no_log')
task:set_flag('no_stat')
end
end
})