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%% The contents of this file are subject to the Mozilla Public License
%% Version 1.1 (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.mozilla.org/MPL/
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
%% License for the specific language governing rights and limitations
%% under the License.
%%
%% The Original Code is RabbitMQ Management Plugin.
%%
%% The Initial Developer of the Original Code is GoPivotal, Inc.
%% Copyright (c) 2007-2016 Pivotal Software, Inc. All rights reserved.
%%
-module(rabbit_mgmt_wm_parameter).
-export([init/3, rest_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]).
-export([variances/2]).
-import(rabbit_misc, [pget/2]).
-include_lib("rabbitmq_management_agent/include/rabbit_mgmt_records.hrl").
-include_lib("rabbit_common/include/rabbit.hrl").
%%--------------------------------------------------------------------
init(_, _, _) -> {upgrade, protocol, cowboy_rest}.
rest_init(Req, _Config) ->
{ok, rabbit_mgmt_cors:set_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 parameter(ReqData) of
not_found -> false;
_ -> true
end, ReqData, Context}.
to_json(ReqData, Context) ->
rabbit_mgmt_util:reply(rabbit_mgmt_format:parameter(
rabbit_mgmt_wm_parameters:fix_shovel_publish_properties(parameter(ReqData))),
ReqData, Context).
accept_content(ReqData, Context = #context{user = User}) ->
case rabbit_mgmt_util:vhost(ReqData) of
not_found ->
rabbit_mgmt_util:not_found(vhost_not_found, ReqData, Context);
VHost ->
rabbit_mgmt_util:with_decode(
[value], ReqData, Context,
fun([Value], _) ->
case rabbit_runtime_parameters:set(
VHost, component(ReqData), name(ReqData),
rabbit_misc:json_to_term(Value), User) of
ok ->
{true, ReqData, Context};
{error_string, Reason} ->
S = rabbit_mgmt_format:escape_html_tags(
rabbit_data_coercion:to_list(Reason)),
rabbit_mgmt_util:bad_request(
rabbit_data_coercion:to_binary(S), ReqData, Context)
end
end)
end.
delete_resource(ReqData, Context) ->
ok = rabbit_runtime_parameters:clear(
rabbit_mgmt_util:vhost(ReqData), component(ReqData), name(ReqData)),
{true, ReqData, Context}.
is_authorized(ReqData, Context) ->
rabbit_mgmt_util:is_authorized_policies(ReqData, Context).
%%--------------------------------------------------------------------
parameter(ReqData) ->
rabbit_runtime_parameters:lookup(
rabbit_mgmt_util:vhost(ReqData), component(ReqData), name(ReqData)).
component(ReqData) -> rabbit_mgmt_util:id(component, ReqData).
name(ReqData) -> rabbit_mgmt_util:id(name, ReqData).
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