191 lines
6.1 KiB
Lua
191 lines
6.1 KiB
Lua
rspamd_config.MAILCOW_AUTH = {
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callback = function(task)
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local uname = task:get_user()
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if uname then
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return 1
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end
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end
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}
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rspamd_config:register_symbol({
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name = 'KEEP_SPAM',
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type = 'prefilter',
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callback = function(task)
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local util = require("rspamd_util")
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local rspamd_logger = require "rspamd_logger"
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local rspamd_ip = require 'rspamd_ip'
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local uname = task:get_user()
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if uname then
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return false
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end
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local redis_params = rspamd_parse_redis_server('keep_spam')
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local ip = task:get_from_ip()
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if not ip:is_valid() then
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return false
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end
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local from_ip_string = tostring(ip)
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ip_check_table = {from_ip_string}
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local maxbits = 128
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local minbits = 32
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if ip:get_version() == 4 then
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maxbits = 32
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minbits = 8
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end
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for i=maxbits,minbits,-1 do
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local nip = ip:apply_mask(i):to_string() .. "/" .. i
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table.insert(ip_check_table, nip)
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end
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local function keep_spam_cb(err, data)
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if err then
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rspamd_logger.infox(rspamd_config, "keep_spam query request for ip %s returned invalid or empty data (\"%s\") or error (\"%s\")", ip, data, err)
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return false
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else
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for k,v in pairs(data) do
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if (v and v ~= userdata and v == '1') then
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rspamd_logger.infox(rspamd_config, "found ip in keep_spam map, setting pre-result", v)
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task:set_pre_result('accept', 'IP matched with forward hosts')
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end
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end
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end
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end
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table.insert(ip_check_table, 1, 'KEEP_SPAM')
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local redis_ret_user = rspamd_redis_make_request(task,
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redis_params, -- connect params
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'KEEP_SPAM', -- hash key
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false, -- is write
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keep_spam_cb, --callback
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'HMGET', -- command
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ip_check_table -- arguments
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)
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if not redis_ret_user then
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rspamd_logger.infox(rspamd_config, "cannot check keep_spam redis map")
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end
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end,
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priority = 19
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})
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rspamd_config:register_symbol({
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name = 'TAG_MOO',
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type = 'postfilter',
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callback = function(task)
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local util = require("rspamd_util")
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local rspamd_logger = require "rspamd_logger"
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local tagged_rcpt = task:get_symbol("TAGGED_RCPT")
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local mailcow_domain = task:get_symbol("RCPT_MAILCOW_DOMAIN")
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if tagged_rcpt and tagged_rcpt[1].options and mailcow_domain then
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local tag = tagged_rcpt[1].options[1]
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rspamd_logger.infox("found tag: %s", tag)
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local action = task:get_metric_action('default')
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rspamd_logger.infox("metric action now: %s", action)
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if action ~= 'no action' and action ~= 'greylist' then
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rspamd_logger.infox("skipping tag handler for action: %s", action)
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task:set_metric_action('default', action)
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return true
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end
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local wants_subject_tag = task:get_symbol("RCPT_WANTS_SUBJECT_TAG")
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local wants_subfolder_tag = task:get_symbol("RCPT_WANTS_SUBFOLDER_TAG")
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if wants_subject_tag then
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rspamd_logger.infox("user wants subject modified for tagged mail")
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local sbj = task:get_header('Subject')
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new_sbj = '=?UTF-8?B?' .. tostring(util.encode_base64('[' .. tag .. '] ' .. sbj)) .. '?='
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task:set_milter_reply({
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remove_headers = {['Subject'] = 1},
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add_headers = {['Subject'] = new_sbj}
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})
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elseif wants_subfolder_tag then
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rspamd_logger.infox("Add X-Moo-Tag header")
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task:set_milter_reply({
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add_headers = {['X-Moo-Tag'] = 'YES'}
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})
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end
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end
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end,
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priority = 11
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})
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rspamd_config:register_symbol({
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name = 'DYN_RL_CHECK',
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type = 'prefilter',
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callback = function(task)
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local util = require("rspamd_util")
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local redis_params = rspamd_parse_redis_server('dyn_rl')
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local rspamd_logger = require "rspamd_logger"
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local envfrom = task:get_from(1)
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local uname = task:get_user()
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if not envfrom or not uname then
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return false
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end
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local uname = uname:lower()
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local env_from_domain = envfrom[1].domain:lower() -- get smtp from domain in lower case
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local function redis_cb_user(err, data)
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if err or type(data) ~= 'string' then
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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)
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local function redis_key_cb_domain(err, data)
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if err or type(data) ~= 'string' then
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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)
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else
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rspamd_logger.infox(rspamd_config, "found dynamic ratelimit in redis for domain %s with value %s", env_from_domain, data)
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task:insert_result('DYN_RL', 0.0, data, env_from_domain)
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end
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end
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local redis_ret_domain = rspamd_redis_make_request(task,
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redis_params, -- connect params
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env_from_domain, -- hash key
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false, -- is write
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redis_key_cb_domain, --callback
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'HGET', -- command
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{'RL_VALUE', env_from_domain} -- arguments
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)
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if not redis_ret_domain then
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rspamd_logger.infox(rspamd_config, "cannot make request to load ratelimit for domain")
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end
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else
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rspamd_logger.infox(rspamd_config, "found dynamic ratelimit in redis for user %s with value %s", uname, data)
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task:insert_result('DYN_RL', 0.0, data, uname)
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end
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end
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local redis_ret_user = rspamd_redis_make_request(task,
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redis_params, -- connect params
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uname, -- hash key
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false, -- is write
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redis_cb_user, --callback
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'HGET', -- command
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{'RL_VALUE', uname} -- arguments
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)
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if not redis_ret_user then
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rspamd_logger.infox(rspamd_config, "cannot make request to load ratelimit for user")
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end
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return true
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end,
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priority = 20
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})
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rspamd_config:register_symbol({
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name = 'NO_LOG_STAT',
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type = 'postfilter',
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callback = function(task)
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local from = task:get_header('From')
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if from and (string.find(from, 'monitoring-system@everycloudtech.us', 1, true) or from == 'watchdog@localhost') then
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task:set_flag('no_log')
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task:set_flag('no_stat')
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end
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end
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})
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