From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 9 Jan 2020 14:48:36 +0000 (+0000)
Subject: [Minor] Check contents object type
X-Git-Tag: 2.3~133
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6fe589b312379fc70cc7ce1ac5539dc624ce367c;p=thirdparty%2Frspamd.git

[Minor] Check contents object type
---

diff --git a/lualib/lua_content/pdf.lua b/lualib/lua_content/pdf.lua
index f29e1e781e..741c011bdf 100644
--- a/lualib/lua_content/pdf.lua
+++ b/lualib/lua_content/pdf.lua
@@ -386,8 +386,9 @@ local function process_dict(task, pdf, obj, dict)
     lua_util.debugm(N, task, 'process stream dictionary for object %s:%s -> %s',
         obj.major, obj.minor, obj.type)
     local contents = dict.Contents
-    if contents then
-      if type(contents) == 'table' and contents[1] == '%REF%' then
+    if contents and type(contents) == 'table' then
+      if contents[1] == '%REF%' then
+        -- Single reference
         contents = {contents}
       end
       obj.contents = {}