[GitHub] [couchdb] jaydoane commented on a change in pull request #2661: Enhance alg check

[GitBox <gi...@apache.org>]

jaydoane commented on a change in pull request #2661: Enhance alg check
URL: https://github.com/apache/couchdb/pull/2661#discussion_r392382793
 
 

 ##########
 File path: src/jwtf/src/jwtf.erl
 ##########
 @@ -139,10 +139,11 @@ validate_alg(Props, Checks) ->
     case {Required, Alg} of
         {undefined, _} ->
             ok;
-        {true, undefined} ->
+        {Required, undefined} when Required /= undefined ->
             throw({bad_request, <<"Missing alg header parameter">>});
-        {true, Alg} ->
-            case lists:member(Alg, valid_algorithms()) of
+        {Required, Alg} when Required == true; is_list(Required) ->
+            AllowedAlg = if Required == true -> true; true -> lists:member(Alg, Required) end,
 
 Review comment:
   This logic is a bit awkward, but I assume it's being done for backward compatibility.

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