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path: root/deps/rabbitmq_management/src/rabbit_mgmt_wm_operator_policies.erl
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%% This Source Code Form is subject to the terms of the Mozilla Public
%% License, v. 2.0. If a copy of the MPL was not distributed with this
%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
%%
%% Copyright (c) 2007-2021 VMware, Inc. or its affiliates.  All rights reserved.
%%

-module(rabbit_mgmt_wm_operator_policies).

-export([init/2, to_json/2, content_types_provided/2, is_authorized/2,
         resource_exists/2, basic/1]).
-export([variances/2]).

-include_lib("rabbitmq_management_agent/include/rabbit_mgmt_records.hrl").
-include_lib("rabbit_common/include/rabbit.hrl").

%%--------------------------------------------------------------------

init(Req, _State) ->
    {cowboy_rest, rabbit_mgmt_headers:set_common_permission_headers(Req, ?MODULE), #context{}}.

variances(Req, Context) ->
    {[<<"accept-encoding">>, <<"origin">>], Req, Context}.

content_types_provided(ReqData, Context) ->
   {[{<<"application/json">>, to_json}], ReqData, Context}.

resource_exists(ReqData, Context) ->
    {case basic(ReqData) of
         not_found -> false;
         _         -> true
     end, ReqData, Context}.

to_json(ReqData, Context) ->
    rabbit_mgmt_util:reply_list(
      rabbit_mgmt_util:filter_vhost(basic(ReqData), ReqData, Context),
      ["priority"], ReqData, Context).

is_authorized(ReqData, Context) ->
    rabbit_mgmt_util:is_authorized_vhost(ReqData, Context).

%%--------------------------------------------------------------------

basic(ReqData) ->
    case rabbit_mgmt_util:vhost(ReqData) of
        not_found -> not_found;
        none      -> rabbit_policy:list_op();
        VHost     -> rabbit_policy:list_op(VHost)
    end.