1 files changed, 71 insertions, 0 deletions
diff --git a/deps/rabbitmq_management/src/rabbit_mgmt_wm_global_parameter.erl b/deps/rabbitmq_management/src/rabbit_mgmt_wm_global_parameter.erl
new file mode 100644
index 0000000000..a81c5be8fa
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+++ b/deps/rabbitmq_management/src/rabbit_mgmt_wm_global_parameter.erl
@@ -0,0 +1,71 @@
+%% 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_global_parameter).
+
+-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]).
+-export([variances/2]).
+
+-import(rabbit_misc, [pget/2]).
+
+-include_lib("rabbit_common/include/rabbit.hrl").
+-include_lib("rabbitmq_management_agent/include/rabbit_mgmt_records.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 parameter(ReqData) of
+         not_found -> false;
+         _         -> true
+     end, ReqData, Context}.
+
+to_json(ReqData, Context) ->
+    rabbit_mgmt_util:reply(rabbit_mgmt_format:parameter(parameter(ReqData)),
+                           ReqData, Context).
+
+accept_content(ReqData0, Context = #context{user = #user{username = Username}}) ->
+    rabbit_mgmt_util:with_decode(
+      [value], ReqData0, Context,
+      fun([Value], _, ReqData) ->
+          Val = if is_map(Value) -> maps:to_list(Value);
+                    true         -> Value
+                end,
+          rabbit_runtime_parameters:set_global(name(ReqData), Val, Username),
+          {true, ReqData, Context}
+      end).
+
+delete_resource(ReqData, Context = #context{user = #user{username = Username}}) ->
+    ok = rabbit_runtime_parameters:clear_global(name(ReqData), Username),
+    {true, ReqData, Context}.
+
+is_authorized(ReqData, Context) ->
+    rabbit_mgmt_util:is_authorized_global_parameters(ReqData, Context).
+
+%%--------------------------------------------------------------------
+
+parameter(ReqData) ->
+    rabbit_runtime_parameters:lookup_global(name(ReqData)).
+
+name(ReqData)      -> rabbit_data_coercion:to_atom(rabbit_mgmt_util:id(name, ReqData)).