56 lines
1.9 KiB
Erlang
56 lines
1.9 KiB
Erlang
%%--------------------------------------------------------------------
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%% Copyright (c) 2019-2024 EMQ Technologies Co., Ltd. All Rights Reserved.
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%%
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%% Licensed under the Apache License, Version 2.0 (the "License");
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%% you may not use this file except in compliance with the License.
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%% You may obtain a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing, software
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%% distributed under the License is distributed on an "AS IS" BASIS,
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%% See the License for the specific language governing permissions and
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%% limitations under the License.
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%%--------------------------------------------------------------------
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-module(emqx_tls_psk).
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-include("logger.hrl").
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%% SSL PSK Callbacks
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-export([lookup/3]).
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-export_type([psk_identity/0]).
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-type psk_identity() :: string().
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-type psk_user_state() :: term().
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-spec lookup(psk, psk_identity(), psk_user_state()) -> {ok, SharedSecret :: binary()} | error.
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lookup(psk, PSKIdentity, _UserState) ->
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try emqx_hooks:run_fold('tls_handshake.psk_lookup', [PSKIdentity], normal) of
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{ok, SharedSecret} when is_binary(SharedSecret) ->
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{ok, SharedSecret};
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normal ->
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?SLOG(info, #{
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msg => "psk_identity_not_found",
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psk_identity => PSKIdentity
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}),
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error;
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{error, Reason} ->
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?SLOG(warning, #{
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msg => "psk_identity_not_found",
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psk_identity => PSKIdentity,
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reason => Reason
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}),
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error
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catch
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Class:Reason:Stacktrace ->
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?SLOG(error, #{
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msg => "lookup_psk_failed",
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class => Class,
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reason => Reason,
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stacktrace => Stacktrace
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}),
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error
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end.
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