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[Rspamd] Fix tag handling for aliases

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This commit is contained in:
andryyy 2020-10-27 07:20:54 +01:00
parent 7bcb9414ab
commit 61bb3219df
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GPG Key ID: 8EC34FF2794E25EF
3 changed files with 81 additions and 75 deletions
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14
data/conf/rspamd/local.d/multimap.conf
View File

@ -5,20 +5,6 @@ RCPT_MAILCOW_DOMAIN {
symbols_set = ["RCPT_MAILCOW_DOMAIN"];
}
RCPT_WANTS_SUBJECT_TAG {
type = "rcpt";
filter = "email:addr";
map = "redis://RCPT_WANTS_SUBJECT_TAG";
symbols_set = ["RCPT_WANTS_SUBJECT_TAG"];
}
RCPT_WANTS_SUBFOLDER_TAG {
type = "rcpt";
filter = "email:addr";
map = "redis://RCPT_WANTS_SUBFOLDER_TAG";
symbols_set = ["RCPT_WANTS_SUBFOLDER_TAG"];
}
WHITELISTED_FWD_HOST {
type = "ip";
map = "redis://WHITELISTED_FWD_HOST";

140
data/conf/rspamd/lua/rspamd.local.lua
View File

@ -123,50 +123,7 @@ rspamd_config:register_symbol({
end
end,
priority = 19
})
rspamd_config:register_symbol({
name = 'DIRECT_ALIAS_EXPANDER',
type = 'prefilter',
callback = function(task)
local rspamd_http = require "rspamd_http"
local rcpts = task:get_recipients('smtp')
local rspamd_logger = require "rspamd_logger"
local lua_util = require "lua_util"
local function http_callback(err_message, code, body, headers)
if body ~= nil and body ~= "" then
rspamd_logger.infox(rspamd_config, "expanding alias to \"%s\"", body)
local final = {}
local rcpt = {}
final.addr = body
table.insert(rcpt, final)
task:set_recipients('smtp', rcpt)
end
end
if rcpts and #rcpts == 1 then
for _,rcpt in ipairs(rcpts) do
local rcpt_split = rspamd_str_split(rcpt['addr'], '@')
if #rcpt_split == 2 then
if rcpt_split[1] == 'postmaster' then
rspamd_logger.infox(rspamd_config, "not expanding postmaster alias")
end
else
rspamd_http.request({
task=task,
url='http://nginx:8081/aliasexp.php',
body='',
callback=http_callback,
headers={Rcpt=rcpt['addr']},
})
end
end
end
end,
priority = 18
priority = 10
})
rspamd_config:register_symbol({
@ -256,6 +213,10 @@ rspamd_config:register_symbol({
callback = function(task)
local util = require("rspamd_util")
local rspamd_logger = require "rspamd_logger"
local redis_params = rspamd_parse_redis_server('taghandler')
local rspamd_http = require "rspamd_http"
local rcpts = task:get_recipients('smtp')
local lua_util = require "lua_util"
local tagged_rcpt = task:get_symbol("TAGGED_RCPT")
local mailcow_domain = task:get_symbol("RCPT_MAILCOW_DOMAIN")
@ -271,26 +232,85 @@ rspamd_config:register_symbol({
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")
local function http_callback(err_message, code, body, headers)
if body ~= nil and body ~= "" then
rspamd_logger.infox(rspamd_config, "expanding alias to \"%s\"", body)
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'}
})
local function tag_callback_subject(err, data)
if err or type(data) ~= 'string' then
rspamd_logger.infox(rspamd_config, "subject tag handler rcpt %s returned invalid or empty data (\"%s\") or error (\"%s\") - trying subfolder tag handler...", body, data, err)
local function tag_callback_subfolder(err, data)
if err or type(data) ~= 'string' then
rspamd_logger.infox(rspamd_config, "subfolder tag handler for rcpt %s returned invalid or empty data (\"%s\") or error (\"%s\")", body, data, err)
else
rspamd_logger.infox("Add X-Moo-Tag header")
task:set_milter_reply({
add_headers = {['X-Moo-Tag'] = 'YES'}
})
end
end
local redis_ret_subfolder = rspamd_redis_make_request(task,
redis_params, -- connect params
body, -- hash key
false, -- is write
tag_callback_subfolder, --callback
'HGET', -- command
{'RCPT_WANTS_SUBFOLDER_TAG', body} -- arguments
)
if not redis_ret_subfolder then
rspamd_logger.infox(rspamd_config, "cannot make request to load tag handler for rcpt")
end
else
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}
})
end
end
local redis_ret_subject = rspamd_redis_make_request(task,
redis_params, -- connect params
body, -- hash key
false, -- is write
tag_callback_subject, --callback
'HGET', -- command
{'RCPT_WANTS_SUBJECT_TAG', body} -- arguments
)
if not redis_ret_subject then
rspamd_logger.infox(rspamd_config, "cannot make request to load tag handler for rcpt")
end
end
end
if rcpts and #rcpts == 1 then
for _,rcpt in ipairs(rcpts) do
local rcpt_split = rspamd_str_split(rcpt['addr'], '@')
if #rcpt_split == 2 then
if rcpt_split[1] == 'postmaster' then
rspamd_logger.infox(rspamd_config, "not expanding postmaster alias")
else
rspamd_http.request({
task=task,
url='http://nginx:8081/aliasexp.php',
body='',
callback=http_callback,
headers={Rcpt=rcpt['addr']},
})
end
end
end
end
end
end,
priority = 11
priority = 19
})
rspamd_config:register_symbol({

2
data/conf/rspamd/override.d/logging.inc
View File

@ -1,4 +1,4 @@
level = "info";
level = "silent";
type = "console";
systemd = false;
.include "$CONFDIR/logging.inc"