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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_connection).
-export([init/2, resource_exists/2, to_json/2, content_types_provided/2,
is_authorized/2, allowed_methods/2, delete_resource/2, conn/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}.
allowed_methods(ReqData, Context) ->
{[<<"HEAD">>, <<"GET">>, <<"DELETE">>, <<"OPTIONS">>], ReqData, Context}.
resource_exists(ReqData, Context) ->
case conn(ReqData) of
not_found -> {false, ReqData, Context};
_Conn -> {true, ReqData, Context}
end.
to_json(ReqData, Context) ->
case rabbit_mgmt_util:disable_stats(ReqData) of
false ->
rabbit_mgmt_util:reply(
maps:from_list(rabbit_mgmt_format:strip_pids(conn_stats(ReqData))), ReqData, Context);
true ->
rabbit_mgmt_util:reply([{name, rabbit_mgmt_util:id(connection, ReqData)}],
ReqData, Context)
end.
delete_resource(ReqData, Context) ->
case conn(ReqData) of
not_found -> ok;
Conn ->
case proplists:get_value(pid, Conn) of
undefined -> ok;
Pid when is_pid(Pid) ->
force_close_connection(ReqData, Conn, Pid)
end
end,
{true, ReqData, Context}.
is_authorized(ReqData, Context) ->
try
rabbit_mgmt_util:is_authorized_user(ReqData, Context, conn(ReqData))
catch
{error, invalid_range_parameters, Reason} ->
rabbit_mgmt_util:bad_request(iolist_to_binary(Reason), ReqData, Context)
end.
%%--------------------------------------------------------------------
conn(ReqData) ->
case rabbit_mgmt_util:disable_stats(ReqData) of
false ->
conn_stats(ReqData);
true ->
case rabbit_connection_tracking:lookup(rabbit_mgmt_util:id(connection, ReqData)) of
#tracked_connection{name = Name, pid = Pid, username = Username, type = Type} ->
[{name, Name}, {pid, Pid}, {user, Username}, {type, Type}];
not_found ->
not_found
end
end.
conn_stats(ReqData) ->
rabbit_mgmt_db:get_connection(rabbit_mgmt_util:id(connection, ReqData),
rabbit_mgmt_util:range_ceil(ReqData)).
force_close_connection(ReqData, Conn, Pid) ->
Reason = case cowboy_req:header(<<"x-reason">>, ReqData) of
undefined -> "Closed via management plugin";
V -> binary_to_list(V)
end,
case proplists:get_value(type, Conn) of
direct -> amqp_direct_connection:server_close(Pid, 320, Reason);
network -> rabbit_networking:close_connection(Pid, Reason);
_ ->
% best effort, this will work for connections to the stream plugin
gen_server:call(Pid, {shutdown, Reason}, infinity)
end,
ok.
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