diff options
Diffstat (limited to 'rules/misc.lua')
| -rw-r--r-- | rules/misc.lua | 140 |
1 files changed, 81 insertions, 59 deletions
diff --git a/rules/misc.lua b/rules/misc.lua index c0dc201ab..2a14a1493 100644 --- a/rules/misc.lua +++ b/rules/misc.lua @@ -77,70 +77,87 @@ rspamd_config.LONG_SUBJ = { } -- Different text parts -rspamd_config.R_PARTS_DIFFER = function(task) - local distance = task:get_mempool():get_variable('parts_distance', 'double') - - if distance then - local nd = tonumber(distance) - -- ND is relation of different words to total words - if nd >= 0.5 then - local tw = task:get_mempool():get_variable('total_words', 'int') - - if tw then - local score - if tw > 30 then - -- We are confident about difference - score = (nd - 0.5) * 2.0 - else - -- We are not so confident about difference - score = (nd - 0.5) +rspamd_config.R_PARTS_DIFFER = { + callback = function(task) + local distance = task:get_mempool():get_variable('parts_distance', 'double') + + if distance then + local nd = tonumber(distance) + -- ND is relation of different words to total words + if nd >= 0.5 then + local tw = task:get_mempool():get_variable('total_words', 'int') + + if tw then + local score + if tw > 30 then + -- We are confident about difference + score = (nd - 0.5) * 2.0 + else + -- We are not so confident about difference + score = (nd - 0.5) + end + task:insert_result('R_PARTS_DIFFER', score, + string.format('%.1f%%', tostring(100.0 * nd))) end - task:insert_result('R_PARTS_DIFFER', score, - string.format('%.1f%%', tostring(100.0 * nd))) end end - end - - return false -end + return false + end, + score = 1.0, + description = 'Text and HTML parts differ', + group = 'body' +} -- Date issues -rspamd_config.MISSING_DATE = function(task) - if rspamd_config:get_api_version() >= 5 then - local date = task:get_header_raw('Date') - if date == nil or 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 +rspamd_config.MISSING_DATE = { + callback = function(task) + if rspamd_config:get_api_version() >= 5 then + local date = task:get_header_raw('Date') + if date == nil or date == '' then + return true + end + end + return false + end, + score = 1.0, + description = 'Message date is missing', + group = 'date' +} +rspamd_config.DATE_IN_FUTURE = { + callback = function(task) + if rspamd_config:get_api_version() >= 5 then + local dm = task:get_date{format = 'message'} + local dt = task:get_date{format = 'connect'} + -- 2 hours + if dm > 0 and dm - dt > 7200 then + return true + end + end + return false + end, + score = 4.0, + description = 'Message date is in future', + group = 'date' +} +rspamd_config.DATE_IN_PAST = { + callback = 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, + score = 1.0, + description = 'Message date is in past', + group = 'date' +} -rspamd_config.R_SUSPICIOUS_URL = function(task) +rspamd_config.R_SUSPICIOUS_URL = { + callback = function(task) local urls = task:get_urls() if urls then @@ -151,7 +168,12 @@ rspamd_config.R_SUSPICIOUS_URL = function(task) end end return false -end + end, + score = 6.0, + one_shot = true, + description = 'Obfusicated or suspicious URL has been found in a message', + group = 'url' +} rspamd_config.BROKEN_HEADERS = { callback = function(task) |