summaryrefslogtreecommitdiff
path: root/test/web/activity_pub/mrf/simple_policy_test.exs
blob: 74af7dcde8701413a0f0baad05b172ed8172ad43 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
# Pleroma: A lightweight social networking server
# Copyright © 2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only

defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
  use Pleroma.DataCase
  import Pleroma.Factory
  alias Pleroma.Config
  alias Pleroma.Web.ActivityPub.MRF.SimplePolicy

  setup do
    orig = Config.get!(:mrf_simple)

    Config.put(:mrf_simple,
      media_removal: [],
      media_nsfw: [],
      federated_timeline_removal: [],
      report_removal: [],
      reject: [],
      accept: []
    )

    on_exit(fn ->
      Config.put(:mrf_simple, orig)
    end)
  end

  describe "when :media_removal" do
    test "is empty" do
      Config.put([:mrf_simple, :media_removal], [])
      media_message = build_media_message()
      local_message = build_local_message()

      assert SimplePolicy.filter(media_message) == {:ok, media_message}
      assert SimplePolicy.filter(local_message) == {:ok, local_message}
    end

    test "has a matching host" do
      Config.put([:mrf_simple, :media_removal], ["remote.instance"])
      media_message = build_media_message()
      local_message = build_local_message()

      assert SimplePolicy.filter(media_message) ==
               {:ok,
                media_message
                |> Map.put("object", Map.delete(media_message["object"], "attachment"))}

      assert SimplePolicy.filter(local_message) == {:ok, local_message}
    end
  end

  describe "when :media_nsfw" do
    test "is empty" do
      Config.put([:mrf_simple, :media_nsfw], [])
      media_message = build_media_message()
      local_message = build_local_message()

      assert SimplePolicy.filter(media_message) == {:ok, media_message}
      assert SimplePolicy.filter(local_message) == {:ok, local_message}
    end

    test "has a matching host" do
      Config.put([:mrf_simple, :media_nsfw], ["remote.instance"])
      media_message = build_media_message()
      local_message = build_local_message()

      assert SimplePolicy.filter(media_message) ==
               {:ok,
                media_message
                |> put_in(["object", "tag"], ["foo", "nsfw"])
                |> put_in(["object", "sensitive"], true)}

      assert SimplePolicy.filter(local_message) == {:ok, local_message}
    end
  end

  defp build_media_message do
    %{
      "actor" => "https://remote.instance/users/bob",
      "type" => "Create",
      "object" => %{
        "attachment" => [%{}],
        "tag" => ["foo"],
        "sensitive" => false
      }
    }
  end

  describe "when :report_removal" do
    test "is empty" do
      Config.put([:mrf_simple, :report_removal], [])
      report_message = build_report_message()
      local_message = build_local_message()

      assert SimplePolicy.filter(report_message) == {:ok, report_message}
      assert SimplePolicy.filter(local_message) == {:ok, local_message}
    end

    test "has a matching host" do
      Config.put([:mrf_simple, :report_removal], ["remote.instance"])
      report_message = build_report_message()
      local_message = build_local_message()

      assert SimplePolicy.filter(report_message) == {:reject, nil}
      assert SimplePolicy.filter(local_message) == {:ok, local_message}
    end
  end

  defp build_report_message do
    %{
      "actor" => "https://remote.instance/users/bob",
      "type" => "Flag"
    }
  end

  describe "when :federated_timeline_removal" do
    test "is empty" do
      Config.put([:mrf_simple, :federated_timeline_removal], [])
      {_, ftl_message} = build_ftl_actor_and_message()
      local_message = build_local_message()

      assert SimplePolicy.filter(ftl_message) == {:ok, ftl_message}
      assert SimplePolicy.filter(local_message) == {:ok, local_message}
    end

    test "has a matching host" do
      {actor, ftl_message} = build_ftl_actor_and_message()

      ftl_message_actor_host =
        ftl_message
        |> Map.fetch!("actor")
        |> URI.parse()
        |> Map.fetch!(:host)

      Config.put([:mrf_simple, :federated_timeline_removal], [ftl_message_actor_host])
      local_message = build_local_message()

      assert {:ok, ftl_message} = SimplePolicy.filter(ftl_message)
      assert actor.follower_address in ftl_message["to"]
      refute actor.follower_address in ftl_message["cc"]
      refute "https://www.w3.org/ns/activitystreams#Public" in ftl_message["to"]
      assert "https://www.w3.org/ns/activitystreams#Public" in ftl_message["cc"]

      assert SimplePolicy.filter(local_message) == {:ok, local_message}
    end
  end

  defp build_ftl_actor_and_message do
    actor = insert(:user)

    {actor,
     %{
       "actor" => actor.ap_id,
       "to" => ["https://www.w3.org/ns/activitystreams#Public", "http://foo.bar/baz"],
       "cc" => [actor.follower_address, "http://foo.bar/qux"]
     }}
  end

  describe "when :reject" do
    test "is empty" do
      Config.put([:mrf_simple, :reject], [])

      remote_message = build_remote_message()

      assert SimplePolicy.filter(remote_message) == {:ok, remote_message}
    end

    test "has a matching host" do
      Config.put([:mrf_simple, :reject], ["remote.instance"])

      remote_message = build_remote_message()

      assert SimplePolicy.filter(remote_message) == {:reject, nil}
    end
  end

  describe "when :accept" do
    test "is empty" do
      Config.put([:mrf_simple, :accept], [])

      local_message = build_local_message()
      remote_message = build_remote_message()

      assert SimplePolicy.filter(local_message) == {:ok, local_message}
      assert SimplePolicy.filter(remote_message) == {:ok, remote_message}
    end

    test "is not empty but it doesn't have a matching host" do
      Config.put([:mrf_simple, :accept], ["non.matching.remote"])

      local_message = build_local_message()
      remote_message = build_remote_message()

      assert SimplePolicy.filter(local_message) == {:ok, local_message}
      assert SimplePolicy.filter(remote_message) == {:reject, nil}
    end

    test "has a matching host" do
      Config.put([:mrf_simple, :accept], ["remote.instance"])

      local_message = build_local_message()
      remote_message = build_remote_message()

      assert SimplePolicy.filter(local_message) == {:ok, local_message}
      assert SimplePolicy.filter(remote_message) == {:ok, remote_message}
    end
  end

  defp build_local_message do
    %{
      "actor" => "#{Pleroma.Web.base_url()}/users/alice",
      "to" => [],
      "cc" => []
    }
  end

  defp build_remote_message do
    %{"actor" => "https://remote.instance/users/bob"}
  end
end