110 lines
3.6 KiB
Erlang
110 lines
3.6 KiB
Erlang
%%--------------------------------------------------------------------
|
|
%% Copyright (c) 2021-2022 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_authz_utils).
|
|
|
|
-include_lib("emqx/include/emqx_placeholder.hrl").
|
|
-include_lib("emqx_authz.hrl").
|
|
|
|
-export([ cleanup_resources/0
|
|
, make_resource_id/1
|
|
, create_resource/2
|
|
, update_config/2
|
|
, parse_deep/2
|
|
, parse_sql/3
|
|
, render_deep/2
|
|
, render_sql_params/2
|
|
]).
|
|
|
|
%%------------------------------------------------------------------------------
|
|
%% APIs
|
|
%%------------------------------------------------------------------------------
|
|
|
|
create_resource(Module, Config) ->
|
|
ResourceID = make_resource_id(Module),
|
|
case emqx_resource:create_local(ResourceID, ?RESOURCE_GROUP, Module, Config) of
|
|
{ok, already_created} -> {ok, ResourceID};
|
|
{ok, _} -> {ok, ResourceID};
|
|
{error, Reason} -> {error, Reason}
|
|
end.
|
|
|
|
cleanup_resources() ->
|
|
lists:foreach(
|
|
fun emqx_resource:remove_local/1,
|
|
emqx_resource:list_group_instances(?RESOURCE_GROUP)).
|
|
|
|
make_resource_id(Name) ->
|
|
NameBin = bin(Name),
|
|
emqx_resource:generate_id(NameBin).
|
|
|
|
update_config(Path, ConfigRequest) ->
|
|
emqx_conf:update(Path, ConfigRequest, #{rawconf_with_defaults => true,
|
|
override_to => cluster}).
|
|
|
|
parse_deep(Template, PlaceHolders) ->
|
|
emqx_placeholder:preproc_tmpl_deep(Template, #{placeholders => PlaceHolders}).
|
|
|
|
parse_sql(Template, ReplaceWith, PlaceHolders) ->
|
|
emqx_placeholder:preproc_sql(
|
|
Template,
|
|
#{replace_with => ReplaceWith,
|
|
placeholders => PlaceHolders}).
|
|
|
|
render_deep(Template, Values) ->
|
|
emqx_placeholder:proc_tmpl_deep(
|
|
Template,
|
|
client_vars(Values),
|
|
#{return => full_binary, var_trans => fun handle_var/2}).
|
|
|
|
render_sql_params(ParamList, Values) ->
|
|
emqx_placeholder:proc_tmpl(
|
|
ParamList,
|
|
client_vars(Values),
|
|
#{return => rawlist, var_trans => fun handle_sql_var/2}).
|
|
|
|
%%------------------------------------------------------------------------------
|
|
%% Internal functions
|
|
%%------------------------------------------------------------------------------
|
|
|
|
client_vars(ClientInfo) ->
|
|
maps:from_list(
|
|
lists:map(
|
|
fun convert_client_var/1,
|
|
maps:to_list(ClientInfo))).
|
|
|
|
convert_client_var({cn, CN}) -> {cert_common_name, CN};
|
|
convert_client_var({dn, DN}) -> {cert_subject, DN};
|
|
convert_client_var({protocol, Proto}) -> {proto_name, Proto};
|
|
convert_client_var(Other) -> Other.
|
|
|
|
handle_var({var, _Name}, undefined) ->
|
|
"undefined";
|
|
handle_var({var, <<"peerhost">>}, IpAddr) ->
|
|
inet_parse:ntoa(IpAddr);
|
|
handle_var(_Name, Value) ->
|
|
emqx_placeholder:bin(Value).
|
|
|
|
handle_sql_var({var, _Name}, undefined) ->
|
|
"undefined";
|
|
handle_sql_var({var, <<"peerhost">>}, IpAddr) ->
|
|
inet_parse:ntoa(IpAddr);
|
|
handle_sql_var(_Name, Value) ->
|
|
emqx_placeholder:sql_data(Value).
|
|
|
|
bin(A) when is_atom(A) -> atom_to_binary(A, utf8);
|
|
bin(L) when is_list(L) -> list_to_binary(L);
|
|
bin(X) -> X.
|