1## This Source Code Form is subject to the terms of the Mozilla Public
2## License, v. 2.0. If a copy of the MPL was not distributed with this
3## file, You can obtain one at https://mozilla.org/MPL/2.0/.
4##
5## Copyright (c) 2020 VMware, Inc. or its affiliates.  All rights reserved.
6
7defmodule RabbitMQ.CLI.Ctl.Commands.ListUserLimitsCommand do
8  alias RabbitMQ.CLI.Core.DocGuide
9
10  @behaviour RabbitMQ.CLI.CommandBehaviour
11
12  def scopes(), do: [:ctl, :diagnostics]
13  def switches(), do: [global: :boolean, user: :string]
14
15  def merge_defaults(args, %{global: true} = opts) do
16    {args, Map.merge(%{table_headers: true}, opts)}
17  end
18
19  def merge_defaults(args, opts) do
20    {args, Map.merge(%{user: "guest", table_headers: true}, opts)}
21  end
22
23  use RabbitMQ.CLI.Core.AcceptsNoPositionalArguments
24  use RabbitMQ.CLI.Core.RequiresRabbitAppRunning
25
26  def run([], %{node: node_name, global: true}) do
27    case :rabbit_misc.rpc_call(node_name, :rabbit_auth_backend_internal, :get_user_limits, []) do
28      [] ->
29        []
30
31      {:error, err} ->
32        {:error, err}
33
34      {:badrpc, node} ->
35        {:badrpc, node}
36
37      val ->
38        Enum.map(val, fn {user, val} ->
39          {:ok, val_encoded} = JSON.encode(Map.new(val))
40          [user: user, limits: val_encoded]
41        end)
42    end
43  end
44
45  def run([], %{node: node_name, user: username}) do
46    case :rabbit_misc.rpc_call(node_name, :rabbit_auth_backend_internal, :get_user_limits, [username]) do
47      :undefined ->
48        {:error, {:no_such_user, username}}
49
50      {:error, err} ->
51        {:error, err}
52
53      {:badrpc, node} ->
54        {:badrpc, node}
55
56      val when is_list(val) or is_map(val) ->
57        {:ok, val_encoded} = JSON.encode(Map.new(val))
58        val_encoded
59    end
60  end
61
62  use RabbitMQ.CLI.DefaultOutput
63
64  def formatter(), do: RabbitMQ.CLI.Formatters.Table
65
66  def usage, do: "list_user_limits [--user <username>] [--global]"
67
68  def usage_additional() do
69    [
70      ["--global", "list limits for all the users"]
71    ]
72  end
73
74  def usage_doc_guides() do
75    [
76      DocGuide.access_control()
77    ]
78  end
79
80  def help_section(), do: :user_management
81
82  def description(), do: "Displays configured user limits"
83
84  def banner([], %{global: true}) do
85    "Listing limits for all users ..."
86  end
87
88  def banner([], %{user: username}) do
89    "Listing limits for user \"#{username}\" ..."
90  end
91end
92