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| author | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2020-04-28 15:38:47 +0100 |
|---|---|---|
| committer | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2020-04-28 15:38:47 +0100 |
| commit | a89cf52149a0790378ae21440406e6ea52780b58 (patch) | |
| tree | e4301d97d3aeec6015b3d2aeb68f267b2228c5a5 /lualib/lua_magic/heuristics.lua | |
| parent | d0e464183bae561583cd77b5389e8c0e8e6a149f (diff) | |
| download | rspamd-a89cf52149a0790378ae21440406e6ea52780b58.tar.gz rspamd-a89cf52149a0790378ae21440406e6ea52780b58.zip | |
[Fix] Disable text detection heuristics for encrypted parts
Issue: #3349
Diffstat (limited to 'lualib/lua_magic/heuristics.lua')
| -rw-r--r-- | lualib/lua_magic/heuristics.lua | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lualib/lua_magic/heuristics.lua b/lualib/lua_magic/heuristics.lua index d9d408170..8aeafae90 100644 --- a/lualib/lua_magic/heuristics.lua +++ b/lualib/lua_magic/heuristics.lua @@ -377,6 +377,19 @@ exports.text_part_heuristic = function(part, log_obj) return true end + local parent = part:get_parent() + + if parent then + local parent_type,parent_subtype = parent:get_type() + + if parent_type == 'multipart' and parent_subtype == 'encrypted' then + -- Skip text heuristics for encrypted parts + lua_util.debugm(N, log_obj, "text part check: parent is encrypted, not a text part") + + return false + end + end + local content = part:get_content() local clen = #content local is_text |