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fix(authn): check authenticator config existence in pre-update callback 

prior to this change, the authenticator existence check was done
in the post-update callback, this causes confusion as teh list
already contains duplication.
This commit is contained in:
Zaiming (Stone) Shi 2022-05-14 12:23:05 +02:00
parent 00198abfd7
commit 522bd935ba
1 changed files with 15 additions and 6 deletions
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21
apps/emqx/src/emqx_authentication_config.erl
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@ -71,9 +71,15 @@ pre_config_update(_, UpdateReq, OldConfig) ->
end.
do_pre_config_update({create_authenticator, ChainName, Config}, OldConfig) ->
CertsDir = certs_dir(ChainName, Config),
NConfig = convert_certs(CertsDir, Config),
{ok, OldConfig ++ [NConfig]};
NewId = authenticator_id(Config),
case lists:filter(fun(OldConfig0) -> authenticator_id(OldConfig0) =:= NewId end, OldConfig) of
[] ->
CertsDir = certs_dir(ChainName, Config),
NConfig = convert_certs(CertsDir, Config),
{ok, OldConfig ++ [NConfig]};
[_] ->
{error, {already_exists, {authenticator, NewId}}}
end;
do_pre_config_update({delete_authenticator, _ChainName, AuthenticatorID}, OldConfig) ->
NewConfig = lists:filter(
fun(OldConfig0) ->
@ -257,9 +263,12 @@ clear_certs(CertsDir, Config) ->
ok = emqx_tls_lib:delete_ssl_files(CertsDir, undefined, OldSSL).
get_authenticator_config(AuthenticatorID, AuthenticatorsConfig) ->
case [C0 || C0 <- AuthenticatorsConfig, AuthenticatorID == authenticator_id(C0)] of
[C | _] -> C;
[] -> {error, not_found}
case
lists:filter(fun(C) -> AuthenticatorID =:= authenticator_id(C) end, AuthenticatorsConfig)
of
[C] -> C;
[] -> {error, not_found};
_ -> error({duplicated_authenticator_id, AuthenticatorsConfig})
end.
split_by_id(ID, AuthenticatorsConfig) ->