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| author | Vsevolod Stakhov <vsevolod@rspamd.com> | 2022-08-02 21:12:38 +0100 |
|---|---|---|
| committer | Vsevolod Stakhov <vsevolod@rspamd.com> | 2022-08-02 21:12:38 +0100 |
| commit | 2249d428bd8f27d8e952233c4a15a75f69b12316 (patch) | |
| tree | 9fa330f3dbc3661b0044c493cef5a431d8836f16 /lualib | |
| parent | c16f8e10a928e91f3b0b643bfebdaa2f90b4f521 (diff) | |
| download | rspamd-2249d428bd8f27d8e952233c4a15a75f69b12316.tar.gz rspamd-2249d428bd8f27d8e952233c4a15a75f69b12316.zip | |
[Fix] Adjust length of the fuzzy checks for short text parts
Reported by: @citrin
Diffstat (limited to 'lualib')
| -rw-r--r-- | lualib/lua_fuzzy.lua | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lualib/lua_fuzzy.lua b/lualib/lua_fuzzy.lua index 1f82752f9..ce4ac55ee 100644 --- a/lualib/lua_fuzzy.lua +++ b/lualib/lua_fuzzy.lua @@ -126,7 +126,11 @@ local function check_length(task, part, rule) local adjusted_bytes = bytes if part:is_text() then - bytes = part:get_text():get_length() + -- Fuzzy plugin uses stripped utf content to get an exact hash, that + -- corresponds to `get_content_oneline()` + -- However, in the case of empty parts this method returns `nil`, so extra + -- sanity check is required. + bytes = #(part:get_text():get_content_oneline() or '') if rule.text_multiplier then adjusted_bytes = bytes * rule.text_multiplier end |