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fix(authn_redis): Avoid duplicating check for non-existent keys

This commit is contained in:
firest 2022-09-14 16:30:59 +08:00
parent 62fd955a0e
commit 8590fef829
1 changed files with 11 additions and 14 deletions
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25
apps/emqx_authn/src/simple_authn/emqx_authn_redis.erl
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@ -141,12 +141,8 @@ authenticate(
{ok, []} ->
ignore;
{ok, Values} ->
case check_query_matched(Values) of
false ->
%% key not exists
ignore;
_ ->
Selected = merge(Fields, Values),
case merge(Fields, Values) of
Selected when Selected =/= #{} ->
case
emqx_authn_utils:check_password_from_selected_map(
Algorithm, Selected, Password
@ -156,7 +152,15 @@ authenticate(
{ok, emqx_authn_utils:is_superuser(Selected)};
{error, _Reason} = Error ->
Error
end
end;
_ ->
?TRACE_AUTHN_PROVIDER(info, "redis_query_not_matched", #{
resource => ResourceId,
cmd => Command,
keys => NKey,
fields => Fields
}),
ignore
end;
{error, Reason} ->
?TRACE_AUTHN_PROVIDER(error, "redis_query_failed", #{
@ -228,10 +232,3 @@ merge(Fields, Values) ->
|| {K, V} <- lists:zip(Fields, Values), V =/= undefined
]
).
check_query_matched(undefined) ->
false;
check_query_matched(List) when is_list(List) ->
lists:any(fun(E) -> E =/= undefined end, List);
check_query_matched(_) ->
true.