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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_exchange).
-export([init/2, resource_exists/2, to_json/2,
content_types_provided/2, content_types_accepted/2,
is_authorized/2, allowed_methods/2, accept_content/2,
delete_resource/2, exchange/1, exchange/2]).
-export([variances/2]).
-include_lib("rabbitmq_management_agent/include/rabbit_mgmt_records.hrl").
-include_lib("amqp_client/include/amqp_client.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}.
content_types_accepted(ReqData, Context) ->
{[{'*', accept_content}], ReqData, Context}.
allowed_methods(ReqData, Context) ->
{[<<"HEAD">>, <<"GET">>, <<"PUT">>, <<"DELETE">>, <<"OPTIONS">>], ReqData, Context}.
resource_exists(ReqData, Context) ->
{case exchange(ReqData) of
not_found -> false;
_ -> true
end, ReqData, Context}.
to_json(ReqData, Context) ->
try
[X] = rabbit_mgmt_db:augment_exchanges(
[exchange(ReqData)], rabbit_mgmt_util:range(ReqData), full),
rabbit_mgmt_util:reply(rabbit_mgmt_format:strip_pids(X), ReqData, Context)
catch
{error, invalid_range_parameters, Reason} ->
rabbit_mgmt_util:bad_request(iolist_to_binary(Reason), ReqData, Context)
end.
accept_content(ReqData, Context) ->
Name = rabbit_mgmt_util:id(exchange, ReqData),
rabbit_mgmt_util:direct_request(
'exchange.declare',
fun rabbit_mgmt_format:format_accept_content/1,
[{exchange, Name}], "Declare exchange error: ~s", ReqData, Context).
delete_resource(ReqData, Context) ->
%% We need to retrieve manually if-unused, as the HTTP API uses '-'
%% while the record uses '_'
Name = id(ReqData),
IfUnused = <<"true">> =:= rabbit_mgmt_util:qs_val(<<"if-unused">>, ReqData),
rabbit_mgmt_util:direct_request(
'exchange.delete',
fun rabbit_mgmt_format:format_accept_content/1,
[{exchange, Name},
{if_unused, IfUnused}], "Delete exchange error: ~s", ReqData, Context).
is_authorized(ReqData, Context) ->
rabbit_mgmt_util:is_authorized_vhost(ReqData, Context).
%%--------------------------------------------------------------------
exchange(ReqData) ->
case rabbit_mgmt_util:vhost(ReqData) of
not_found -> not_found;
VHost -> exchange(VHost, id(ReqData))
end.
exchange(VHost, XName) ->
Name = rabbit_misc:r(VHost, exchange, XName),
case rabbit_exchange:lookup(Name) of
{ok, X} -> rabbit_mgmt_format:exchange(
rabbit_exchange:info(X));
{error, not_found} -> not_found
end.
id(ReqData) ->
rabbit_mgmt_util:id(exchange, ReqData).
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