emqx/apps/emqx_authn/src/emqx_authn_api.erl
2023-02-04 07:58:06 +01:00

1486 lines
49 KiB
Erlang

%%--------------------------------------------------------------------
%% Copyright (c) 2021-2023 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_authn_api).
-behaviour(minirest_api).
-include("emqx_authn.hrl").
-include_lib("emqx/include/logger.hrl").
-include_lib("emqx/include/emqx_placeholder.hrl").
-include_lib("emqx/include/emqx_authentication.hrl").
-include_lib("hocon/include/hoconsc.hrl").
-import(hoconsc, [mk/2, ref/1, ref/2]).
-import(emqx_dashboard_swagger, [error_codes/2]).
-define(BAD_REQUEST, 'BAD_REQUEST').
-define(NOT_FOUND, 'NOT_FOUND').
-define(ALREADY_EXISTS, 'ALREADY_EXISTS').
-define(INTERNAL_ERROR, 'INTERNAL_ERROR').
% Swagger
-define(API_TAGS_GLOBAL, [<<"Authentication">>]).
-define(API_TAGS_SINGLE, [<<"Listener Authentication">>]).
-export([
api_spec/0,
paths/0,
schema/1
]).
-export([
roots/0,
fields/1
]).
-export([
authenticators/2,
authenticator/2,
authenticator_status/2,
listener_authenticators/2,
listener_authenticator/2,
listener_authenticator_status/2,
authenticator_position/2,
listener_authenticator_position/2,
authenticator_users/2,
authenticator_user/2,
listener_authenticator_users/2,
listener_authenticator_user/2,
lookup_from_local_node/2,
lookup_from_all_nodes/2
]).
-export([
authenticator_examples/0,
request_user_create_examples/0,
request_user_update_examples/0,
response_user_examples/0,
response_users_example/0
]).
%% export these funcs for gateway
-export([
list_users/3,
add_user/3,
delete_user/3,
find_user/3,
update_user/4,
serialize_error/1,
aggregate_metrics/1,
with_chain/2,
param_auth_id/0,
param_listener_id/0
]).
-elvis([{elvis_style, god_modules, disable}]).
api_spec() ->
emqx_dashboard_swagger:spec(?MODULE, #{check_schema => true}).
paths() ->
[
"/authentication",
"/authentication/:id",
"/authentication/:id/status",
"/authentication/:id/position/:position",
"/authentication/:id/users",
"/authentication/:id/users/:user_id",
"/listeners/:listener_id/authentication",
"/listeners/:listener_id/authentication/:id",
"/listeners/:listener_id/authentication/:id/status",
"/listeners/:listener_id/authentication/:id/position/:position",
"/listeners/:listener_id/authentication/:id/users",
"/listeners/:listener_id/authentication/:id/users/:user_id"
].
roots() ->
[
request_user_create,
request_user_update,
response_user,
response_users
].
fields(request_user_create) ->
[
{user_id, mk(binary(), #{required => true})}
| fields(request_user_update)
];
fields(request_user_update) ->
[
{password, mk(binary(), #{required => true})},
{is_superuser, mk(boolean(), #{default => false, required => false})}
];
fields(response_user) ->
[
{user_id, mk(binary(), #{required => true})},
{is_superuser, mk(boolean(), #{default => false, required => false})}
];
fields(response_users) ->
paginated_list_type(ref(response_user)).
schema("/authentication") ->
#{
'operationId' => authenticators,
get => #{
tags => ?API_TAGS_GLOBAL,
description => ?DESC(authentication_get),
responses => #{
200 => emqx_dashboard_swagger:schema_with_example(
hoconsc:array(emqx_authn_schema:authenticator_type()),
authenticator_array_example()
)
}
},
post => #{
tags => ?API_TAGS_GLOBAL,
description => ?DESC(authentication_post),
'requestBody' => emqx_dashboard_swagger:schema_with_examples(
emqx_authn_schema:authenticator_type(),
authenticator_examples()
),
responses => #{
200 => emqx_dashboard_swagger:schema_with_examples(
emqx_authn_schema:authenticator_type(),
authenticator_examples()
),
400 => error_codes([?BAD_REQUEST], <<"Bad Request">>),
409 => error_codes([?ALREADY_EXISTS], <<"ALREADY_EXISTS">>)
}
}
};
schema("/authentication/:id") ->
#{
'operationId' => authenticator,
get => #{
tags => ?API_TAGS_GLOBAL,
description => ?DESC(authentication_id_get),
parameters => [param_auth_id()],
responses => #{
200 => emqx_dashboard_swagger:schema_with_examples(
emqx_authn_schema:authenticator_type(),
authenticator_examples()
),
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
},
put => #{
tags => ?API_TAGS_GLOBAL,
description => ?DESC(authentication_id_put),
parameters => [param_auth_id()],
'requestBody' => emqx_dashboard_swagger:schema_with_examples(
emqx_authn_schema:authenticator_type(),
authenticator_examples()
),
responses => #{
204 => <<"Authenticator updated">>,
400 => error_codes([?BAD_REQUEST], <<"Bad Request">>),
404 => error_codes([?NOT_FOUND], <<"Not Found">>),
409 => error_codes([?ALREADY_EXISTS], <<"ALREADY_EXISTS">>)
}
},
delete => #{
tags => ?API_TAGS_GLOBAL,
description => ?DESC(authentication_id_delete),
parameters => [param_auth_id()],
responses => #{
204 => <<"Authenticator deleted">>,
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
}
};
schema("/authentication/:id/status") ->
#{
'operationId' => authenticator_status,
get => #{
tags => ?API_TAGS_GLOBAL,
description => ?DESC(authentication_id_status_get),
parameters => [param_auth_id()],
responses => #{
200 => emqx_dashboard_swagger:schema_with_examples(
hoconsc:ref(emqx_authn_schema, "metrics_status_fields"),
status_metrics_example()
),
404 => error_codes([?NOT_FOUND], <<"Not Found">>),
500 => error_codes([?INTERNAL_ERROR], <<"Internal Service Error">>)
}
}
};
schema("/listeners/:listener_id/authentication") ->
#{
'operationId' => listener_authenticators,
get => #{
tags => ?API_TAGS_SINGLE,
description => ?DESC(listeners_listener_id_authentication_get),
parameters => [param_listener_id()],
responses => #{
200 => emqx_dashboard_swagger:schema_with_example(
hoconsc:array(emqx_authn_schema:authenticator_type()),
authenticator_array_example()
)
}
},
post => #{
tags => ?API_TAGS_SINGLE,
description => ?DESC(listeners_listener_id_authentication_post),
parameters => [param_listener_id()],
'requestBody' => emqx_dashboard_swagger:schema_with_examples(
emqx_authn_schema:authenticator_type(),
authenticator_examples()
),
responses => #{
200 => emqx_dashboard_swagger:schema_with_examples(
emqx_authn_schema:authenticator_type(),
authenticator_examples()
),
400 => error_codes([?BAD_REQUEST], <<"Bad Request">>),
409 => error_codes([?ALREADY_EXISTS], <<"ALREADY_EXISTS">>)
}
}
};
schema("/listeners/:listener_id/authentication/:id") ->
#{
'operationId' => listener_authenticator,
get => #{
tags => ?API_TAGS_SINGLE,
description => ?DESC(listeners_listener_id_authentication_id_get),
parameters => [param_listener_id(), param_auth_id()],
responses => #{
200 => emqx_dashboard_swagger:schema_with_examples(
emqx_authn_schema:authenticator_type(),
authenticator_examples()
),
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
},
put => #{
tags => ?API_TAGS_SINGLE,
description => ?DESC(listeners_listener_id_authentication_id_put),
parameters => [param_listener_id(), param_auth_id()],
'requestBody' => emqx_dashboard_swagger:schema_with_examples(
emqx_authn_schema:authenticator_type(),
authenticator_examples()
),
responses => #{
204 => <<"Authenticator updated">>,
400 => error_codes([?BAD_REQUEST], <<"Bad Request">>),
404 => error_codes([?NOT_FOUND], <<"Not Found">>),
409 => error_codes([?ALREADY_EXISTS], <<"ALREADY_EXISTS">>)
}
},
delete => #{
tags => ?API_TAGS_SINGLE,
description => ?DESC(listeners_listener_id_authentication_id_delete),
parameters => [param_listener_id(), param_auth_id()],
responses => #{
204 => <<"Authenticator deleted">>,
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
}
};
schema("/listeners/:listener_id/authentication/:id/status") ->
#{
'operationId' => listener_authenticator_status,
get => #{
tags => ?API_TAGS_SINGLE,
description => ?DESC(listeners_listener_id_authentication_id_status_get),
parameters => [param_listener_id(), param_auth_id()],
responses => #{
200 => emqx_dashboard_swagger:schema_with_examples(
hoconsc:ref(emqx_authn_schema, "metrics_status_fields"),
status_metrics_example()
),
400 => error_codes([?BAD_REQUEST], <<"Bad Request">>)
}
}
};
schema("/authentication/:id/position/:position") ->
#{
'operationId' => authenticator_position,
put => #{
tags => ?API_TAGS_GLOBAL,
description => ?DESC(authentication_id_position_put),
parameters => [param_auth_id(), param_position()],
responses => #{
204 => <<"Authenticator moved">>,
400 => error_codes([?BAD_REQUEST], <<"Bad Request">>),
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
}
};
schema("/listeners/:listener_id/authentication/:id/position/:position") ->
#{
'operationId' => listener_authenticator_position,
put => #{
tags => ?API_TAGS_SINGLE,
description => ?DESC(listeners_listener_id_authentication_id_position_put),
parameters => [param_listener_id(), param_auth_id(), param_position()],
responses => #{
204 => <<"Authenticator moved">>,
400 => error_codes([?BAD_REQUEST], <<"Bad Request">>),
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
}
};
schema("/authentication/:id/users") ->
#{
'operationId' => authenticator_users,
post => #{
tags => ?API_TAGS_GLOBAL,
description => ?DESC(authentication_id_users_post),
parameters => [param_auth_id()],
'requestBody' => emqx_dashboard_swagger:schema_with_examples(
ref(request_user_create),
request_user_create_examples()
),
responses => #{
201 => emqx_dashboard_swagger:schema_with_examples(
ref(response_user),
response_user_examples()
),
400 => error_codes([?BAD_REQUEST], <<"Bad Request">>),
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
},
get => #{
tags => ?API_TAGS_GLOBAL,
description => ?DESC(authentication_id_users_get),
parameters => [
param_auth_id(),
ref(emqx_dashboard_swagger, page),
ref(emqx_dashboard_swagger, limit),
{like_user_id,
mk(binary(), #{
in => query,
desc => ?DESC(like_user_id),
required => false
})},
{is_superuser,
mk(boolean(), #{
in => query,
desc => ?DESC(is_superuser),
required => false
})}
],
responses => #{
200 => emqx_dashboard_swagger:schema_with_example(
ref(response_users),
response_users_example()
),
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
}
};
schema("/listeners/:listener_id/authentication/:id/users") ->
#{
'operationId' => listener_authenticator_users,
post => #{
tags => ?API_TAGS_SINGLE,
description => ?DESC(listeners_listener_id_authentication_id_users_post),
parameters => [param_auth_id(), param_listener_id()],
'requestBody' => emqx_dashboard_swagger:schema_with_examples(
ref(request_user_create),
request_user_create_examples()
),
responses => #{
201 => emqx_dashboard_swagger:schema_with_examples(
ref(response_user),
response_user_examples()
),
400 => error_codes([?BAD_REQUEST], <<"Bad Request">>),
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
},
get => #{
tags => ?API_TAGS_SINGLE,
description => ?DESC(listeners_listener_id_authentication_id_users_get),
parameters => [
param_listener_id(),
param_auth_id(),
ref(emqx_dashboard_swagger, page),
ref(emqx_dashboard_swagger, limit),
{is_superuser,
mk(boolean(), #{
in => query,
desc => ?DESC(is_superuser),
required => false
})}
],
responses => #{
200 => emqx_dashboard_swagger:schema_with_example(
ref(response_users),
response_users_example()
),
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
}
};
schema("/authentication/:id/users/:user_id") ->
#{
'operationId' => authenticator_user,
get => #{
tags => ?API_TAGS_GLOBAL,
description => ?DESC(authentication_id_users_user_id_get),
parameters => [param_auth_id(), param_user_id()],
responses => #{
200 => emqx_dashboard_swagger:schema_with_examples(
ref(response_user),
response_user_examples()
),
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
},
put => #{
tags => ?API_TAGS_GLOBAL,
description => ?DESC(authentication_id_users_user_id_put),
parameters => [param_auth_id(), param_user_id()],
'requestBody' => emqx_dashboard_swagger:schema_with_examples(
ref(request_user_update),
request_user_update_examples()
),
responses => #{
200 => emqx_dashboard_swagger:schema_with_example(
ref(response_user),
response_user_examples()
),
400 => error_codes([?BAD_REQUEST], <<"Bad Request">>),
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
},
delete => #{
tags => ?API_TAGS_GLOBAL,
description => ?DESC(authentication_id_users_user_id_delete),
parameters => [param_auth_id(), param_user_id()],
responses => #{
204 => <<"User deleted">>,
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
}
};
schema("/listeners/:listener_id/authentication/:id/users/:user_id") ->
#{
'operationId' => listener_authenticator_user,
get => #{
tags => ?API_TAGS_SINGLE,
description => ?DESC(listeners_listener_id_authentication_id_users_user_id_get),
parameters => [param_listener_id(), param_auth_id(), param_user_id()],
responses => #{
200 => emqx_dashboard_swagger:schema_with_example(
ref(response_user),
response_user_examples()
),
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
},
put => #{
tags => ?API_TAGS_SINGLE,
description => ?DESC(listeners_listener_id_authentication_id_users_user_id_put),
parameters => [param_listener_id(), param_auth_id(), param_user_id()],
'requestBody' => emqx_dashboard_swagger:schema_with_example(
ref(request_user_update),
request_user_update_examples()
),
responses => #{
200 => emqx_dashboard_swagger:schema_with_example(
ref(response_user),
response_user_examples()
),
400 => error_codes([?BAD_REQUEST], <<"Bad Request">>),
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
},
delete => #{
tags => ?API_TAGS_SINGLE,
description => ?DESC(listeners_listener_id_authentication_id_users_user_id_delete),
parameters => [param_listener_id(), param_auth_id(), param_user_id()],
responses => #{
204 => <<"User deleted">>,
404 => error_codes([?NOT_FOUND], <<"Not Found">>)
}
}
}.
param_auth_id() ->
{
id,
mk(binary(), #{
in => path,
desc => ?DESC(param_auth_id),
required => true
})
}.
param_listener_id() ->
{
listener_id,
mk(binary(), #{
in => path,
desc => ?DESC(param_listener_id),
required => true,
example => emqx_listeners:id_example()
})
}.
param_position() ->
{
position,
mk(binary(), #{
in => path,
desc => ?DESC(param_position),
required => true,
example => "before:password_based:built_in_database"
})
}.
param_user_id() ->
{
user_id,
mk(binary(), #{
in => path,
desc => ?DESC(param_user_id)
})
}.
authenticators(post, #{body := Config}) ->
create_authenticator([authentication], ?GLOBAL, Config);
authenticators(get, _Params) ->
list_authenticators([authentication]).
authenticator(get, #{bindings := #{id := AuthenticatorID}}) ->
list_authenticator(?GLOBAL, [authentication], AuthenticatorID);
authenticator(put, #{bindings := #{id := AuthenticatorID}, body := Config}) ->
update_authenticator([authentication], ?GLOBAL, AuthenticatorID, Config);
authenticator(delete, #{bindings := #{id := AuthenticatorID}}) ->
delete_authenticator([authentication], ?GLOBAL, AuthenticatorID).
authenticator_status(get, #{bindings := #{id := AuthenticatorID}}) ->
with_authenticator(
AuthenticatorID,
[authentication],
fun(_) -> lookup_from_all_nodes(?GLOBAL, AuthenticatorID) end
).
listener_authenticators(post, #{bindings := #{listener_id := ListenerID}, body := Config}) ->
with_listener(
ListenerID,
fun(Type, Name, ChainName) ->
create_authenticator(
[listeners, Type, Name, authentication],
ChainName,
Config
)
end
);
listener_authenticators(get, #{bindings := #{listener_id := ListenerID}}) ->
with_listener(
ListenerID,
fun(Type, Name, _) ->
list_authenticators([listeners, Type, Name, authentication])
end
).
listener_authenticator(get, #{bindings := #{listener_id := ListenerID, id := AuthenticatorID}}) ->
with_listener(
ListenerID,
fun(Type, Name, ChainName) ->
list_authenticator(
ChainName,
[listeners, Type, Name, authentication],
AuthenticatorID
)
end
);
listener_authenticator(
put,
#{
bindings := #{listener_id := ListenerID, id := AuthenticatorID},
body := Config
}
) ->
with_listener(
ListenerID,
fun(Type, Name, ChainName) ->
update_authenticator(
[listeners, Type, Name, authentication],
ChainName,
AuthenticatorID,
Config
)
end
);
listener_authenticator(
delete,
#{bindings := #{listener_id := ListenerID, id := AuthenticatorID}}
) ->
with_listener(
ListenerID,
fun(Type, Name, ChainName) ->
delete_authenticator(
[listeners, Type, Name, authentication],
ChainName,
AuthenticatorID
)
end
).
listener_authenticator_status(
get,
#{bindings := #{listener_id := ListenerID, id := AuthenticatorID}}
) ->
with_listener(
ListenerID,
fun(Type, Name, ChainName) ->
with_authenticator(
AuthenticatorID,
[listeners, Type, Name, authentication],
fun(_) -> lookup_from_all_nodes(ChainName, AuthenticatorID) end
)
end
).
authenticator_position(
put,
#{bindings := #{id := AuthenticatorID, position := Position}}
) ->
move_authenticator([authentication], ?GLOBAL, AuthenticatorID, Position).
listener_authenticator_position(
put,
#{bindings := #{listener_id := ListenerID, id := AuthenticatorID, position := Position}}
) ->
with_listener(
ListenerID,
fun(Type, Name, ChainName) ->
move_authenticator(
[listeners, Type, Name, authentication],
ChainName,
AuthenticatorID,
Position
)
end
).
authenticator_users(post, #{bindings := #{id := AuthenticatorID}, body := UserInfo}) ->
add_user(?GLOBAL, AuthenticatorID, UserInfo);
authenticator_users(get, #{bindings := #{id := AuthenticatorID}, query_string := QueryString}) ->
list_users(?GLOBAL, AuthenticatorID, QueryString).
authenticator_user(put, #{
bindings := #{
id := AuthenticatorID,
user_id := UserID
},
body := UserInfo
}) ->
update_user(?GLOBAL, AuthenticatorID, UserID, UserInfo);
authenticator_user(get, #{bindings := #{id := AuthenticatorID, user_id := UserID}}) ->
find_user(?GLOBAL, AuthenticatorID, UserID);
authenticator_user(delete, #{bindings := #{id := AuthenticatorID, user_id := UserID}}) ->
delete_user(?GLOBAL, AuthenticatorID, UserID).
listener_authenticator_users(post, #{
bindings := #{
listener_id := ListenerID,
id := AuthenticatorID
},
body := UserInfo
}) ->
with_chain(
ListenerID,
fun(ChainName) ->
add_user(ChainName, AuthenticatorID, UserInfo)
end
);
listener_authenticator_users(get, #{
bindings := #{
listener_id := ListenerID,
id := AuthenticatorID
},
query_string := PageParams
}) ->
with_chain(
ListenerID,
fun(ChainName) ->
list_users(ChainName, AuthenticatorID, PageParams)
end
).
listener_authenticator_user(put, #{
bindings := #{
listener_id := ListenerID,
id := AuthenticatorID,
user_id := UserID
},
body := UserInfo
}) ->
with_chain(
ListenerID,
fun(ChainName) ->
update_user(ChainName, AuthenticatorID, UserID, UserInfo)
end
);
listener_authenticator_user(get, #{
bindings := #{
listener_id := ListenerID,
id := AuthenticatorID,
user_id := UserID
}
}) ->
with_chain(
ListenerID,
fun(ChainName) ->
find_user(ChainName, AuthenticatorID, UserID)
end
);
listener_authenticator_user(delete, #{
bindings := #{
listener_id := ListenerID,
id := AuthenticatorID,
user_id := UserID
}
}) ->
with_chain(
ListenerID,
fun(ChainName) ->
delete_user(ChainName, AuthenticatorID, UserID)
end
).
%%------------------------------------------------------------------------------
%% Internal functions
%%------------------------------------------------------------------------------
with_authenticator(AuthenticatorID, ConfKeyPath, Fun) ->
case find_authenticator_config(AuthenticatorID, ConfKeyPath) of
{ok, AuthenticatorConfig} ->
Fun(AuthenticatorConfig);
{error, Reason} ->
serialize_error(Reason)
end.
find_authenticator_config(AuthenticatorID, ConfKeyPath) ->
AuthenticatorsConfig = get_raw_config_with_defaults(ConfKeyPath),
find_config(AuthenticatorID, AuthenticatorsConfig).
with_listener(ListenerID, Fun) ->
case find_listener(ListenerID) of
{ok, {BType, BName}} ->
Type = binary_to_existing_atom(BType),
Name = binary_to_existing_atom(BName),
ChainName = binary_to_atom(ListenerID),
Fun(Type, Name, ChainName);
{error, Reason} ->
serialize_error(Reason)
end.
find_listener(ListenerID) ->
case binary:split(ListenerID, <<":">>) of
[BType, BName] ->
case emqx_config:find([listeners, BType, BName]) of
{ok, _} ->
{ok, {BType, BName}};
{not_found, _, _} ->
{error, {not_found, {listener, ListenerID}}}
end;
_ ->
{error, {not_found, {listener, ListenerID}}}
end.
with_chain(ListenerID, Fun) ->
{ok, ChainNames} = emqx_authentication:list_chain_names(),
ListenerChainName =
[Name || Name <- ChainNames, atom_to_binary(Name) =:= ListenerID],
case ListenerChainName of
[ChainName] ->
Fun(ChainName);
_ ->
serialize_error({not_found, {chain, ListenerID}})
end.
create_authenticator(ConfKeyPath, ChainName, Config) ->
case update_config(ConfKeyPath, {create_authenticator, ChainName, Config}) of
{ok, #{
post_config_update := #{emqx_authentication := #{id := ID}},
raw_config := AuthenticatorsConfig
}} ->
{ok, AuthenticatorConfig} = find_config(ID, AuthenticatorsConfig),
{200, maps:put(id, ID, convert_certs(fill_defaults(AuthenticatorConfig)))};
{error, {_PrePostConfigUpdate, emqx_authentication, Reason}} ->
serialize_error(Reason);
{error, Reason} ->
serialize_error(Reason)
end.
list_authenticators(ConfKeyPath) ->
AuthenticatorsConfig = get_raw_config_with_defaults(ConfKeyPath),
NAuthenticators = [
maps:put(
id,
emqx_authentication:authenticator_id(AuthenticatorConfig),
convert_certs(AuthenticatorConfig)
)
|| AuthenticatorConfig <- AuthenticatorsConfig
],
{200, NAuthenticators}.
list_authenticator(_, ConfKeyPath, AuthenticatorID) ->
with_authenticator(
AuthenticatorID,
ConfKeyPath,
fun(AuthenticatorConfig) ->
{200, maps:put(id, AuthenticatorID, convert_certs(AuthenticatorConfig))}
end
).
resource_provider() ->
[
emqx_authn_mysql,
emqx_authn_pgsql,
emqx_authn_mongodb,
emqx_authn_redis,
emqx_authn_http
].
lookup_from_local_node(ChainName, AuthenticatorID) ->
NodeId = node(self()),
case emqx_authentication:lookup_authenticator(ChainName, AuthenticatorID) of
{ok, #{provider := Provider, state := State}} ->
MetricsId = emqx_authentication:metrics_id(ChainName, AuthenticatorID),
Metrics = emqx_metrics_worker:get_metrics(authn_metrics, MetricsId),
case lists:member(Provider, resource_provider()) of
false ->
{ok, {NodeId, connected, Metrics, #{}}};
true ->
#{resource_id := ResourceId} = State,
case emqx_resource:get_instance(ResourceId) of
{error, not_found} ->
{error, {NodeId, not_found_resource}};
{ok, _, #{status := Status, metrics := ResourceMetrics}} ->
{ok, {NodeId, Status, Metrics, ResourceMetrics}}
end
end;
{error, Reason} ->
{error, {NodeId, list_to_binary(io_lib:format("~p", [Reason]))}}
end.
lookup_from_all_nodes(ChainName, AuthenticatorID) ->
Nodes = mria_mnesia:running_nodes(),
LookupResult = emqx_authn_proto_v1:lookup_from_all_nodes(Nodes, ChainName, AuthenticatorID),
case is_ok(LookupResult) of
{ok, ResList} ->
{StatusMap, MetricsMap, ResourceMetricsMap, ErrorMap} = make_result_map(ResList),
AggregateStatus = aggregate_status(maps:values(StatusMap)),
AggregateMetrics = aggregate_metrics(maps:values(MetricsMap)),
AggregateResourceMetrics = aggregate_metrics(maps:values(ResourceMetricsMap)),
Fun = fun(_, V1) -> restructure_map(V1) end,
MKMap = fun(Name) -> fun({Key, Val}) -> #{node => Key, Name => Val} end end,
HelpFun = fun(M, Name) -> lists:map(MKMap(Name), maps:to_list(M)) end,
{200, #{
node_resource_metrics => HelpFun(maps:map(Fun, ResourceMetricsMap), metrics),
resource_metrics =>
case maps:size(AggregateResourceMetrics) of
0 -> #{};
_ -> restructure_map(AggregateResourceMetrics)
end,
node_metrics => HelpFun(maps:map(Fun, MetricsMap), metrics),
metrics => restructure_map(AggregateMetrics),
node_status => HelpFun(StatusMap, status),
status => AggregateStatus,
node_error => HelpFun(maps:map(Fun, ErrorMap), reason)
}};
{error, ErrL} ->
{500, #{
code => <<"INTERNAL_ERROR">>,
message => list_to_binary(io_lib:format("~p", [ErrL]))
}}
end.
aggregate_status([]) ->
empty_metrics_and_status;
aggregate_status(AllStatus) ->
Head = fun([A | _]) -> A end,
HeadVal = Head(AllStatus),
AllRes = lists:all(fun(Val) -> Val == HeadVal end, AllStatus),
case AllRes of
true -> HeadVal;
false -> inconsistent
end.
aggregate_metrics([]) ->
#{};
aggregate_metrics([HeadMetrics | AllMetrics]) ->
ErrorLogger = fun(Reason) -> ?SLOG(info, #{msg => "bad_metrics_value", error => Reason}) end,
Fun = fun(ElemMap, AccMap) ->
emqx_map_lib:best_effort_recursive_sum(AccMap, ElemMap, ErrorLogger)
end,
lists:foldl(Fun, HeadMetrics, AllMetrics).
make_result_map(ResList) ->
Fun =
fun(Elem, {StatusMap, MetricsMap, ResourceMetricsMap, ErrorMap}) ->
case Elem of
{ok, {NodeId, Status, Metrics, ResourceMetrics}} ->
{
maps:put(NodeId, Status, StatusMap),
maps:put(NodeId, Metrics, MetricsMap),
maps:put(NodeId, ResourceMetrics, ResourceMetricsMap),
ErrorMap
};
{error, {NodeId, Reason}} ->
{StatusMap, MetricsMap, ResourceMetricsMap, maps:put(NodeId, Reason, ErrorMap)}
end
end,
lists:foldl(Fun, {maps:new(), maps:new(), maps:new(), maps:new()}, ResList).
restructure_map(#{
counters := #{failed := Failed, total := Total, success := Succ, nomatch := Nomatch},
rate := #{total := #{current := Rate, last5m := Rate5m, max := RateMax}}
}) ->
#{
total => Total,
success => Succ,
failed => Failed,
nomatch => Nomatch,
rate => Rate,
rate_last5m => Rate5m,
rate_max => RateMax
};
restructure_map(#{
counters := #{failed := Failed, matched := Match, success := Succ},
rate := #{matched := #{current := Rate, last5m := Rate5m, max := RateMax}}
}) ->
#{
matched => Match,
success => Succ,
failed => Failed,
rate => Rate,
rate_last5m => Rate5m,
rate_max => RateMax
};
restructure_map(Error) ->
Error.
is_ok(ResL) ->
case
lists:filter(
fun
({ok, _}) -> false;
(_) -> true
end,
ResL
)
of
[] -> {ok, [Res || {ok, Res} <- ResL]};
ErrL -> {error, ErrL}
end.
update_authenticator(ConfKeyPath, ChainName, AuthenticatorID, Config) ->
case
update_config(
ConfKeyPath,
{update_authenticator, ChainName, AuthenticatorID, Config}
)
of
{ok, _} ->
{204};
{error, {_PrePostConfigUpdate, emqx_authentication, Reason}} ->
serialize_error(Reason);
{error, Reason} ->
serialize_error(Reason)
end.
delete_authenticator(ConfKeyPath, ChainName, AuthenticatorID) ->
case update_config(ConfKeyPath, {delete_authenticator, ChainName, AuthenticatorID}) of
{ok, _} ->
{204};
{error, {_PrePostConfigUpdate, emqx_authentication, Reason}} ->
serialize_error(Reason);
{error, Reason} ->
serialize_error(Reason)
end.
move_authenticator(ConfKeyPath, ChainName, AuthenticatorID, Position) ->
case parse_position(Position) of
{ok, NPosition} ->
case
update_config(
ConfKeyPath,
{move_authenticator, ChainName, AuthenticatorID, NPosition}
)
of
{ok, _} ->
{204};
{error, {_PrePostConfigUpdate, emqx_authentication, Reason}} ->
serialize_error(Reason);
{error, Reason} ->
serialize_error(Reason)
end;
{error, Reason} ->
serialize_error(Reason)
end.
add_user(
ChainName,
AuthenticatorID,
#{<<"user_id">> := UserID, <<"password">> := Password} = UserInfo
) ->
IsSuperuser = maps:get(<<"is_superuser">>, UserInfo, false),
case
emqx_authentication:add_user(
ChainName,
AuthenticatorID,
#{
user_id => UserID,
password => Password,
is_superuser => IsSuperuser
}
)
of
{ok, User} ->
{201, User};
{error, Reason} ->
serialize_error({user_error, Reason})
end;
add_user(_, _, #{<<"user_id">> := _}) ->
serialize_error({missing_parameter, password});
add_user(_, _, _) ->
serialize_error({missing_parameter, user_id}).
update_user(ChainName, AuthenticatorID, UserID, UserInfo0) ->
case maps:with([<<"password">>, <<"is_superuser">>], UserInfo0) =:= #{} of
true ->
serialize_error({missing_parameter, password});
false ->
UserInfo = emqx_map_lib:safe_atom_key_map(UserInfo0),
case emqx_authentication:update_user(ChainName, AuthenticatorID, UserID, UserInfo) of
{ok, User} ->
{200, User};
{error, Reason} ->
serialize_error({user_error, Reason})
end
end.
find_user(ChainName, AuthenticatorID, UserID) ->
case emqx_authentication:lookup_user(ChainName, AuthenticatorID, UserID) of
{ok, User} ->
{200, User};
{error, Reason} ->
serialize_error({user_error, Reason})
end.
delete_user(ChainName, AuthenticatorID, UserID) ->
case emqx_authentication:delete_user(ChainName, AuthenticatorID, UserID) of
ok ->
{204};
{error, Reason} ->
serialize_error({user_error, Reason})
end.
list_users(ChainName, AuthenticatorID, QueryString) ->
case emqx_authentication:list_users(ChainName, AuthenticatorID, QueryString) of
{error, page_limit_invalid} ->
{400, #{code => <<"INVALID_PARAMETER">>, message => <<"page_limit_invalid">>}};
{error, Reason} ->
{400, #{
code => <<"INVALID_PARAMETER">>,
message => list_to_binary(io_lib:format("Reason ~p", [Reason]))
}};
Result ->
{200, Result}
end.
update_config(Path, ConfigRequest) ->
emqx_conf:update(Path, ConfigRequest, #{
rawconf_with_defaults => true,
override_to => cluster
}).
get_raw_config_with_defaults(ConfKeyPath) ->
NConfKeyPath = [atom_to_binary(Key, utf8) || Key <- ConfKeyPath],
RawConfig = emqx:get_raw_config(NConfKeyPath, []),
ensure_list(fill_defaults(RawConfig)).
find_config(AuthenticatorID, AuthenticatorsConfig) ->
MatchingACs =
[
AC
|| AC <- ensure_list(AuthenticatorsConfig),
AuthenticatorID =:= emqx_authentication:authenticator_id(AC)
],
case MatchingACs of
[] -> {error, {not_found, {authenticator, AuthenticatorID}}};
[AuthenticatorConfig] -> {ok, AuthenticatorConfig}
end.
fill_defaults(Configs) when is_list(Configs) ->
lists:map(fun fill_defaults/1, Configs);
fill_defaults(Config) ->
emqx_authn:check_config(merge_default_headers(Config), #{make_serializable => true}).
merge_default_headers(Config) ->
case maps:find(<<"headers">>, Config) of
{ok, Headers} ->
NewHeaders =
case Config of
#{<<"method">> := <<"get">>} ->
(emqx_authn_http:headers_no_content_type(converter))(Headers);
#{<<"method">> := <<"post">>} ->
(emqx_authn_http:headers(converter))(Headers);
_ ->
Headers
end,
Config#{<<"headers">> => NewHeaders};
error ->
Config
end.
convert_certs(#{ssl := SSL} = Config) when SSL =/= undefined ->
Config#{ssl := emqx_tls_lib:drop_invalid_certs(SSL)};
convert_certs(Config) ->
Config.
serialize_error({user_error, not_found}) ->
{404, #{
code => <<"NOT_FOUND">>,
message => binfmt("User not found", [])
}};
serialize_error({user_error, already_exist}) ->
{409, #{
code => <<"ALREADY_EXISTS">>,
message => binfmt("User already exists", [])
}};
serialize_error({user_error, Reason}) ->
{400, #{
code => <<"BAD_REQUEST">>,
message => binfmt("User error: ~p", [Reason])
}};
serialize_error({not_found, {authenticator, ID}}) ->
{404, #{
code => <<"NOT_FOUND">>,
message => binfmt("Authenticator '~ts' does not exist", [ID])
}};
serialize_error({not_found, {listener, ID}}) ->
{404, #{
code => <<"NOT_FOUND">>,
message => binfmt("Listener '~ts' does not exist", [ID])
}};
serialize_error({not_found, {chain, ?GLOBAL}}) ->
{404, #{
code => <<"NOT_FOUND">>,
message => <<"Authenticator not found in the 'global' scope">>
}};
serialize_error({not_found, {chain, Name}}) ->
{400, #{
code => <<"BAD_REQUEST">>,
message => binfmt("No authentication has been created for listener ~p", [Name])
}};
serialize_error({already_exists, {authenticator, ID}}) ->
{409, #{
code => <<"ALREADY_EXISTS">>,
message => binfmt("Authenticator '~ts' already exist", [ID])
}};
serialize_error(no_available_provider) ->
{400, #{
code => <<"BAD_REQUEST">>,
message => <<"Unsupported authentication type">>
}};
serialize_error(change_of_authentication_type_is_not_allowed) ->
{400, #{
code => <<"BAD_REQUEST">>,
message => <<"Change of authentication type is not allowed">>
}};
serialize_error(unsupported_operation) ->
{400, #{
code => <<"BAD_REQUEST">>,
message => <<"Operation not supported in this authentication type">>
}};
serialize_error({bad_ssl_config, Details}) ->
{400, #{
code => <<"BAD_REQUEST">>,
message => binfmt("bad_ssl_config ~p", [Details])
}};
serialize_error({missing_parameter, Detail}) ->
{400, #{
code => <<"BAD_REQUEST">>,
message => binfmt("Missing required parameter: ~p", [Detail])
}};
serialize_error({invalid_parameter, Name}) ->
{400, #{
code => <<"BAD_REQUEST">>,
message => binfmt("Invalid value for '~p'", [Name])
}};
serialize_error({unknown_authn_type, Type}) ->
{400, #{
code => <<"BAD_REQUEST">>,
message => binfmt("Unknown type '~p'", [Type])
}};
serialize_error(Reason) ->
{400, #{
code => <<"BAD_REQUEST">>,
message => binfmt("~0p", [Reason])
}}.
parse_position(<<"front">>) ->
{ok, ?CMD_MOVE_FRONT};
parse_position(<<"rear">>) ->
{ok, ?CMD_MOVE_REAR};
parse_position(<<"before:">>) ->
{error, {invalid_parameter, position}};
parse_position(<<"after:">>) ->
{error, {invalid_parameter, position}};
parse_position(<<"before:", Before/binary>>) ->
{ok, ?CMD_MOVE_BEFORE(Before)};
parse_position(<<"after:", After/binary>>) ->
{ok, ?CMD_MOVE_AFTER(After)};
parse_position(_) ->
{error, {invalid_parameter, position}}.
ensure_list(M) when is_map(M) -> [M];
ensure_list(L) when is_list(L) -> L.
binfmt(Fmt, Args) -> iolist_to_binary(io_lib:format(Fmt, Args)).
paginated_list_type(Type) ->
[
{data, hoconsc:array(Type)},
{meta, ref(emqx_dashboard_swagger, meta)}
].
authenticator_array_example() ->
[Config || #{value := Config} <- maps:values(authenticator_examples())].
authenticator_examples() ->
#{
'password_based:built_in_database' => #{
summary => <<"Built-in password_based authentication">>,
value => #{
mechanism => <<"password_based">>,
backend => <<"built_in_database">>,
user_id_type => <<"username">>,
password_hash_algorithm => #{
name => <<"sha256">>,
salt_position => <<"suffix">>
}
}
},
'password_based:http' => #{
summary => <<"password_based authentication through external HTTP API">>,
value => #{
mechanism => <<"password_based">>,
backend => <<"http">>,
method => <<"post">>,
url => <<"http://127.0.0.1:18083">>,
headers => #{
<<"content-type">> => <<"application/json">>
},
body => #{
<<"username">> => ?PH_USERNAME,
<<"password">> => ?PH_PASSWORD
},
pool_size => 8,
connect_timeout => 5000,
request_timeout => 5000,
enable_pipelining => 100,
ssl => #{enable => false}
}
},
'jwt' => #{
summary => <<"JWT authentication">>,
value => #{
mechanism => <<"jwt">>,
use_jwks => false,
algorithm => <<"hmac-based">>,
secret => <<"mysecret">>,
secret_base64_encoded => false,
verify_claims => #{
<<"username">> => ?PH_USERNAME
}
}
},
'password_based:mongodb' => #{
summary => <<"password_based authentication with MongoDB backend">>,
value => #{
mechanism => <<"password_based">>,
backend => <<"mongodb">>,
server => <<"127.0.0.1:27017">>,
database => example,
collection => users,
filter => #{
username => ?PH_USERNAME
},
password_hash_field => <<"password_hash">>,
salt_field => <<"salt">>,
is_superuser_field => <<"is_superuser">>,
password_hash_algorithm => #{
name => <<"sha256">>,
salt_position => <<"suffix">>
}
}
},
'password_based:redis' => #{
summary => <<"password_based authentication with Redis backend">>,
value => #{
mechanism => <<"password_based">>,
backend => <<"redis">>,
server => <<"127.0.0.1:6379">>,
redis_type => <<"single">>,
database => 0,
cmd => <<"HMGET ${username} password_hash salt">>,
password_hash_algorithm => #{
name => <<"sha256">>,
salt_position => <<"suffix">>
}
}
}
}.
status_metrics_example() ->
#{
status_metrics => #{
summary => <<"Authn status metrics">>,
value => #{
resource_metrics => #{
matched => 0,
success => 0,
failed => 0,
rate => 0.0,
rate_last5m => 0.0,
rate_max => 0.0
},
node_resource_metrics => [
#{
node => node(),
metrics => #{
matched => 0,
success => 0,
failed => 0,
rate => 0.0,
rate_last5m => 0.0,
rate_max => 0.0
}
}
],
metrics => #{
total => 0,
success => 0,
failed => 0,
nomatch => 0,
rate => 0.0,
rate_last5m => 0.0,
rate_max => 0.0
},
node_error => [],
node_metrics => [
#{
node => node(),
metrics => #{
matched => 0,
total => 0,
failed => 0,
nomatch => 0,
rate => 0.0,
rate_last5m => 0.0,
rate_max => 0.0
}
}
],
status => connected,
node_status => [
#{
node => node(),
status => connected
}
]
}
}
}.
request_user_create_examples() ->
#{
regular_user => #{
summary => <<"Regular user">>,
value => #{
user_id => <<"user1">>,
password => <<"secret">>
}
},
super_user => #{
summary => <<"Superuser">>,
value => #{
user_id => <<"user2">>,
password => <<"secret">>,
is_superuser => true
}
}
}.
request_user_update_examples() ->
#{
regular_user => #{
summary => <<"Update regular user">>,
value => #{
password => <<"newsecret">>
}
},
super_user => #{
summary => <<"Update user and promote to superuser">>,
value => #{
password => <<"newsecret">>,
is_superuser => true
}
}
}.
response_user_examples() ->
#{
regular_user => #{
summary => <<"Regular user">>,
value => #{
user_id => <<"user1">>
}
},
super_user => #{
summary => <<"Superuser">>,
value => #{
user_id => <<"user2">>,
is_superuser => true
}
}
}.
response_users_example() ->
#{
data => [
#{
user_id => <<"user1">>
},
#{
user_id => <<"user2">>,
is_superuser => true
}
],
meta => #{
page => 0,
limit => 20,
count => 300
}
}.