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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.ActivityPub.RelayTest do
   6   use Pleroma.DataCase
   7
   8   alias Pleroma.Activity
   9   alias Pleroma.User
  10   alias Pleroma.Web.ActivityPub.Relay
  11   alias Pleroma.Web.CommonAPI
  12
  13   import ExUnit.CaptureLog
  14   import Pleroma.Factory
  15   import Mock
  16
  17   test "gets an actor for the relay" do
  18     user = Relay.get_actor()
  19     assert user.ap_id == "#{Pleroma.Web.Endpoint.url()}/relay"
  20   end
  21
  22   test "relay actor is invisible" do
  23     user = Relay.get_actor()
  24     assert User.invisible?(user)
  25   end
  26
  27   describe "follow/1" do
  28     test "returns errors when user not found" do
  29       assert capture_log(fn ->
  30                {:error, _} = Relay.follow("test-ap-id")
  31              end) =~ "Could not decode user at fetch"
  32     end
  33
  34     test "returns activity" do
  35       user = insert(:user)
  36       service_actor = Relay.get_actor()
  37       assert {:ok, %Activity{} = activity} = Relay.follow(user.ap_id)
  38       assert activity.actor == "#{Pleroma.Web.Endpoint.url()}/relay"
  39       assert user.ap_id in activity.recipients
  40       assert activity.data["type"] == "Follow"
  41       assert activity.data["actor"] == service_actor.ap_id
  42       assert activity.data["object"] == user.ap_id
  43     end
  44   end
  45
  46   describe "unfollow/1" do
  47     test "returns errors when user not found" do
  48       assert capture_log(fn ->
  49                {:error, _} = Relay.unfollow("test-ap-id")
  50              end) =~ "Could not decode user at fetch"
  51     end
  52
  53     test "returns activity" do
  54       user = insert(:user)
  55       service_actor = Relay.get_actor()
  56       CommonAPI.follow(service_actor, user)
  57       assert "#{user.ap_id}/followers" in User.following(service_actor)
  58       assert {:ok, %Activity{} = activity} = Relay.unfollow(user.ap_id)
  59       assert activity.actor == "#{Pleroma.Web.Endpoint.url()}/relay"
  60       assert user.ap_id in activity.recipients
  61       assert activity.data["type"] == "Undo"
  62       assert activity.data["actor"] == service_actor.ap_id
  63       assert activity.data["to"] == [user.ap_id]
  64       refute "#{user.ap_id}/followers" in User.following(service_actor)
  65     end
  66
  67     test "force unfollow when target service is dead" do
  68       user = insert(:user)
  69       user_ap_id = user.ap_id
  70       user_id = user.id
  71
  72       Tesla.Mock.mock(fn %{method: :get, url: ^user_ap_id} ->
  73         %Tesla.Env{status: 404}
  74       end)
  75
  76       service_actor = Relay.get_actor()
  77       CommonAPI.follow(service_actor, user)
  78       assert "#{user.ap_id}/followers" in User.following(service_actor)
  79
  80       assert Pleroma.Repo.get_by(
  81                Pleroma.FollowingRelationship,
  82                follower_id: service_actor.id,
  83                following_id: user_id
  84              )
  85
  86       Pleroma.Repo.delete(user)
  87       User.invalidate_cache(user)
  88
  89       assert {:ok, %Activity{} = activity} = Relay.unfollow(user_ap_id, %{force: true})
  90
  91       assert refresh_record(service_actor).following_count == 0
  92
  93       refute Pleroma.Repo.get_by(
  94                Pleroma.FollowingRelationship,
  95                follower_id: service_actor.id,
  96                following_id: user_id
  97              )
  98
  99       assert activity.actor == "#{Pleroma.Web.Endpoint.url()}/relay"
 100       assert user.ap_id in activity.recipients
 101       assert activity.data["type"] == "Undo"
 102       assert activity.data["actor"] == service_actor.ap_id
 103       assert activity.data["to"] == [user_ap_id]
 104       refute "#{user.ap_id}/followers" in User.following(service_actor)
 105     end
 106   end
 107
 108   describe "publish/1" do
 109     setup do: clear_config([:instance, :federating])
 110
 111     test "returns error when activity not `Create` type" do
 112       activity = insert(:like_activity)
 113       assert Relay.publish(activity) == {:error, "Not implemented"}
 114     end
 115
 116     @tag capture_log: true
 117     test "returns error when activity not public" do
 118       activity = insert(:direct_note_activity)
 119       assert Relay.publish(activity) == {:error, false}
 120     end
 121
 122     test "returns error when object is unknown" do
 123       activity =
 124         insert(:note_activity,
 125           data: %{
 126             "type" => "Create",
 127             "object" => "http://mastodon.example.org/eee/99541947525187367"
 128           }
 129         )
 130
 131       Tesla.Mock.mock(fn
 132         %{method: :get, url: "http://mastodon.example.org/eee/99541947525187367"} ->
 133           %Tesla.Env{status: 500, body: ""}
 134       end)
 135
 136       assert capture_log(fn ->
 137                assert Relay.publish(activity) == {:error, false}
 138              end) =~ "[error] error: false"
 139     end
 140
 141     test_with_mock "returns announce activity and publish to federate",
 142                    Pleroma.Web.Federator,
 143                    [:passthrough],
 144                    [] do
 145       clear_config([:instance, :federating], true)
 146       service_actor = Relay.get_actor()
 147       note = insert(:note_activity)
 148       assert {:ok, %Activity{} = activity} = Relay.publish(note)
 149       assert activity.data["type"] == "Announce"
 150       assert activity.data["actor"] == service_actor.ap_id
 151       assert activity.data["to"] == [service_actor.follower_address]
 152       assert called(Pleroma.Web.Federator.publish(activity))
 153     end
 154
 155     test_with_mock "returns announce activity and not publish to federate",
 156                    Pleroma.Web.Federator,
 157                    [:passthrough],
 158                    [] do
 159       clear_config([:instance, :federating], false)
 160       service_actor = Relay.get_actor()
 161       note = insert(:note_activity)
 162       assert {:ok, %Activity{} = activity} = Relay.publish(note)
 163       assert activity.data["type"] == "Announce"
 164       assert activity.data["actor"] == service_actor.ap_id
 165       refute called(Pleroma.Web.Federator.publish(activity))
 166     end
 167   end
 168 end