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+%%--------------------------------------------------------------------
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+%% Copyright (c) 2020-2021 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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+
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+-module(emqx_authn_redis_tls_SUITE).
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+
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+-compile(nowarn_export_all).
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+-compile(export_all).
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+
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+-include("emqx_authn.hrl").
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+-include_lib("eunit/include/eunit.hrl").
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+-include_lib("common_test/include/ct.hrl").
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+
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+-define(REDIS_HOST, "redis-tls").
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+-define(REDIS_PORT, 6380).
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+
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+-define(PATH, [authentication]).
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+
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+all() ->
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+ emqx_common_test_helpers:all(?MODULE).
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+
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+groups() ->
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+ [].
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+
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+init_per_testcase(_, Config) ->
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+ {ok, _} = emqx_cluster_rpc:start_link(node(), emqx_cluster_rpc, 1000),
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+ emqx_authentication:initialize_authentication(?GLOBAL, []),
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+ emqx_authn_test_lib:delete_authenticators(
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+ [authentication],
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+ ?GLOBAL),
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+ Config.
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+
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+init_per_suite(Config) ->
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+ _ = application:load(emqx_conf),
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+ case emqx_authn_test_lib:is_tcp_server_available(?REDIS_HOST, ?REDIS_PORT) of
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+ true ->
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+ ok = emqx_common_test_helpers:start_apps([emqx_authn]),
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+ ok = start_apps([emqx_resource, emqx_connector]),
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+ Config;
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+ false ->
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+ {skip, no_redis}
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+ end.
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+
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+end_per_suite(_Config) ->
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+ emqx_authn_test_lib:delete_authenticators(
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+ [authentication],
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+ ?GLOBAL),
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+ ok = stop_apps([emqx_resource, emqx_connector]),
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+ ok = emqx_common_test_helpers:stop_apps([emqx_authn]).
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+
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+%%------------------------------------------------------------------------------
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+%% Tests
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+%%------------------------------------------------------------------------------
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+
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+t_create(_Config) ->
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+ ?assertMatch(
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+ {ok, _},
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+ create_redis_auth_with_ssl_opts(
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+ #{<<"server_name_indication">> => <<"redis-tls">>,
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+ <<"verify">> => <<"verify_peer">>,
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+ <<"versions">> => [<<"tlsv1.3">>],
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+ <<"ciphers">> => [<<"TLS_CHACHA20_POLY1305_SHA256">>]})).
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+
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+t_create_invalid(_Config) ->
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+ %% invalid server_name
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+ ?assertMatch(
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+ {error, _},
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+ create_redis_auth_with_ssl_opts(
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+ #{<<"server_name_indication">> => <<"redis-tls-unknown-host">>,
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+ <<"verify">> => <<"verify_peer">>,
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+ <<"versions">> => [<<"tlsv1.3">>],
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+ <<"ciphers">> => [<<"TLS_CHACHA20_POLY1305_SHA256">>]})),
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+
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+ %% invalid server_name (eredis connects by ip address)
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+ ?assertMatch(
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+ {error, _},
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+ create_redis_auth_with_ssl_opts(
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+ #{<<"verify">> => <<"verify_peer">>,
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+ <<"versions">> => [<<"tlsv1.3">>],
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+ <<"ciphers">> => [<<"TLS_CHACHA20_POLY1305_SHA256">>]})),
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+
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+ %% incompatible versions
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+ ?assertMatch(
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+ {error, _},
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+ create_redis_auth_with_ssl_opts(
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+ #{<<"server_name_indication">> => <<"redis-tls">>,
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+ <<"verify">> => <<"verify_peer">>,
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+ <<"versions">> => [<<"tlsv1.1">>, <<"tlsv1.2">>]})),
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+
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+ %% incompatible ciphers
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+ ?assertMatch(
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+ {error, _},
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+ create_redis_auth_with_ssl_opts(
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+ #{<<"server_name_indication">> => <<"redis-tls">>,
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+ <<"verify">> => <<"verify_peer">>,
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+ <<"versions">> => [<<"tlsv1.3">>],
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+ <<"ciphers">> => [<<"TLS_AES_128_GCM_SHA256">>]})).
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+
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+%%------------------------------------------------------------------------------
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+%% Helpers
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+%%------------------------------------------------------------------------------
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+
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+create_redis_auth_with_ssl_opts(SpecificSSLOpts) ->
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+ AuthConfig = raw_redis_auth_config(SpecificSSLOpts),
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+ emqx:update_config(?PATH, {create_authenticator, ?GLOBAL, AuthConfig}).
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+
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+raw_redis_auth_config(SpecificSSLOpts) ->
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+ SSLOpts = maps:merge(
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+ client_ssl_opts(),
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+ #{enable => <<"true">>}),
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+ #{
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+ mechanism => <<"password-based">>,
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+ password_hash_algorithm => #{name => <<"plain">>,
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+ salt_position => <<"suffix">>},
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+ enable => <<"true">>,
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+
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+ backend => <<"redis">>,
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+ cmd => <<"HMGET mqtt_user:${username} password_hash salt is_superuser">>,
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+ database => <<"1">>,
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+ password => <<"public">>,
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+ server => redis_server(),
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+ ssl => maps:merge(SSLOpts, SpecificSSLOpts)
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+ }.
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+
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+redis_server() ->
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+ iolist_to_binary(
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+ io_lib:format(
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+ "~s:~b",
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+ [?REDIS_HOST, ?REDIS_PORT])).
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+
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+start_apps(Apps) ->
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+ lists:foreach(fun application:ensure_all_started/1, Apps).
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+
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+stop_apps(Apps) ->
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+ lists:foreach(fun application:stop/1, Apps).
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+
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+client_ssl_opts() ->
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+ Dir = code:lib_dir(emqx_authn, test),
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+ #{keyfile => filename:join([Dir, <<"data/certs">>, "redis-tls-client.key"]),
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+ certfile => filename:join([Dir, <<"data/certs">>, "redis-tls-client.crt"]),
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+ cacertfile => filename:join([Dir, <<"data/certs">>, "redis-tls-ca.crt"])}.
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