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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) 2007-2020 VMware, Inc. or its affiliates. All rights reserved.
%%
-module(rabbit_mgmt_wm_parameters).
-export([init/2, to_json/2, content_types_provided/2, is_authorized/2,
resource_exists/2, basic/1]).
-export([fix_shovel_publish_properties/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) ->
{rabbit_mgmt_util:responder_map(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),
ReqData, Context).
is_authorized(ReqData, Context) ->
rabbit_mgmt_util:is_authorized_policies(ReqData, Context).
%%--------------------------------------------------------------------
%% Hackish fix to make sure we return a JSON object instead of an empty list
%% when the publish-properties value is empty. Should be removed in 3.7.0
%% when we switch to a new JSON library.
fix_shovel_publish_properties(P) ->
case lists:keyfind(component, 1, P) of
{_, <<"shovel">>} ->
case lists:keytake(value, 1, P) of
{value, {_, Values}, P2} ->
case lists:keytake(<<"publish-properties">>, 1, Values) of
{_, {_, []}, Values2} ->
P2 ++ [{value, Values2 ++ [{<<"publish-properties">>, empty_struct}]}];
_ ->
P
end;
_ -> P
end;
_ -> P
end.
basic(ReqData) ->
Raw = case rabbit_mgmt_util:id(component, ReqData) of
none -> rabbit_runtime_parameters:list();
Name -> case rabbit_mgmt_util:vhost(ReqData) of
none -> rabbit_runtime_parameters:list_component(
Name);
not_found -> not_found;
VHost -> rabbit_runtime_parameters:list(
VHost, Name)
end
end,
case Raw of
not_found -> not_found;
_ -> [rabbit_mgmt_format:parameter(fix_shovel_publish_properties(P)) || P <- Raw]
end.
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