From bab9c14b048bee2b33b8f2aa9d5ce4215f0413f7 Mon Sep 17 00:00:00 2001 From: Anton Yuzhaninov Date: Mon, 1 Jul 2019 17:33:24 +0100 Subject: [Minor] Allow to disable hash trimming in maybe_obfuscate_string Don't trim hash if _privacy_length is zero. --- lualib/lua_util.lua | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lualib/lua_util.lua b/lualib/lua_util.lua index d1d43564d..e8dc57429 100644 --- a/lualib/lua_util.lua +++ b/lualib/lua_util.lua @@ -943,7 +943,7 @@ end -- * _privacy = false - subject privacy is off -- * _privacy_alg = 'blake2' - default hash-algorithm to obfuscate subject -- * _privacy_prefix = 'obf' - prefix to show it's obfuscated --- * _privacy_length = 16 - cut the length of the hash +-- * _privacy_length = 16 - cut the length of the hash; if 0 or fasle full hash is returned -- @return obfuscated or validated subject --]] @@ -958,7 +958,7 @@ exports.maybe_obfuscate_string = function(subject, settings, prefix) local subject_hash = hash.create_specific(hash_alg, subject) local strip_len = settings[prefix .. '_privacy_length'] - if strip_len then + if strip_len and strip_len > 0 then subject = subject_hash:hex():sub(1, strip_len) else subject = subject_hash:hex() -- cgit v1.2.3