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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.ActivityPub.Transmogrifier.FollowHandlingTest do
   6   use Pleroma.DataCase
   7   alias Pleroma.Activity
   8   alias Pleroma.Repo
   9   alias Pleroma.User
  10   alias Pleroma.Web.ActivityPub.Transmogrifier
  11   alias Pleroma.Web.ActivityPub.Utils
  12
  13   import Pleroma.Factory
  14   import Ecto.Query
  15
  16   setup_all do
  17     Tesla.Mock.mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
  18     :ok
  19   end
  20
  21   describe "handle_incoming" do
  22     test "it works for osada follow request" do
  23       user = insert(:user)
  24
  25       data =
  26         File.read!("test/fixtures/osada-follow-activity.json")
  27         |> Poison.decode!()
  28         |> Map.put("object", user.ap_id)
  29
  30       {:ok, %Activity{data: data, local: false} = activity} = Transmogrifier.handle_incoming(data)
  31
  32       assert data["actor"] == "https://apfed.club/channel/indio"
  33       assert data["type"] == "Follow"
  34       assert data["id"] == "https://apfed.club/follow/9"
  35
  36       activity = Repo.get(Activity, activity.id)
  37       assert activity.data["state"] == "accept"
  38       assert User.following?(User.get_cached_by_ap_id(data["actor"]), user)
  39     end
  40
  41     test "it works for incoming follow requests" do
  42       user = insert(:user)
  43
  44       data =
  45         File.read!("test/fixtures/mastodon-follow-activity.json")
  46         |> Poison.decode!()
  47         |> Map.put("object", user.ap_id)
  48
  49       {:ok, %Activity{data: data, local: false} = activity} = Transmogrifier.handle_incoming(data)
  50
  51       assert data["actor"] == "http://mastodon.example.org/users/admin"
  52       assert data["type"] == "Follow"
  53       assert data["id"] == "http://mastodon.example.org/users/admin#follows/2"
  54
  55       activity = Repo.get(Activity, activity.id)
  56       assert activity.data["state"] == "accept"
  57       assert User.following?(User.get_cached_by_ap_id(data["actor"]), user)
  58     end
  59
  60     test "with locked accounts, it does not create a follow or an accept" do
  61       user = insert(:user, info: %{locked: true})
  62
  63       data =
  64         File.read!("test/fixtures/mastodon-follow-activity.json")
  65         |> Poison.decode!()
  66         |> Map.put("object", user.ap_id)
  67
  68       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
  69
  70       assert data["state"] == "pending"
  71
  72       refute User.following?(User.get_cached_by_ap_id(data["actor"]), user)
  73
  74       accepts =
  75         from(
  76           a in Activity,
  77           where: fragment("?->>'type' = ?", a.data, "Accept")
  78         )
  79         |> Repo.all()
  80
  81       assert length(accepts) == 0
  82     end
  83
  84     test "it works for follow requests when you are already followed, creating a new accept activity" do
  85       # This is important because the remote might have the wrong idea about the
  86       # current follow status. This can lead to instance A thinking that x@A is
  87       # followed by y@B, but B thinks they are not. In this case, the follow can
  88       # never go through again because it will never get an Accept.
  89       user = insert(:user)
  90
  91       data =
  92         File.read!("test/fixtures/mastodon-follow-activity.json")
  93         |> Poison.decode!()
  94         |> Map.put("object", user.ap_id)
  95
  96       {:ok, %Activity{local: false}} = Transmogrifier.handle_incoming(data)
  97
  98       accepts =
  99         from(
 100           a in Activity,
 101           where: fragment("?->>'type' = ?", a.data, "Accept")
 102         )
 103         |> Repo.all()
 104
 105       assert length(accepts) == 1
 106
 107       data =
 108         File.read!("test/fixtures/mastodon-follow-activity.json")
 109         |> Poison.decode!()
 110         |> Map.put("id", String.replace(data["id"], "2", "3"))
 111         |> Map.put("object", user.ap_id)
 112
 113       {:ok, %Activity{local: false}} = Transmogrifier.handle_incoming(data)
 114
 115       accepts =
 116         from(
 117           a in Activity,
 118           where: fragment("?->>'type' = ?", a.data, "Accept")
 119         )
 120         |> Repo.all()
 121
 122       assert length(accepts) == 2
 123     end
 124
 125     test "it rejects incoming follow requests from blocked users when deny_follow_blocked is enabled" do
 126       Pleroma.Config.put([:user, :deny_follow_blocked], true)
 127
 128       user = insert(:user)
 129       {:ok, target} = User.get_or_fetch("http://mastodon.example.org/users/admin")
 130
 131       {:ok, user} = User.block(user, target)
 132
 133       data =
 134         File.read!("test/fixtures/mastodon-follow-activity.json")
 135         |> Poison.decode!()
 136         |> Map.put("object", user.ap_id)
 137
 138       {:ok, %Activity{data: %{"id" => id}}} = Transmogrifier.handle_incoming(data)
 139
 140       %Activity{} = activity = Activity.get_by_ap_id(id)
 141
 142       assert activity.data["state"] == "reject"
 143     end
 144
 145     test "it works for incoming follow requests from hubzilla" do
 146       user = insert(:user)
 147
 148       data =
 149         File.read!("test/fixtures/hubzilla-follow-activity.json")
 150         |> Poison.decode!()
 151         |> Map.put("object", user.ap_id)
 152         |> Utils.normalize_params()
 153
 154       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 155
 156       assert data["actor"] == "https://hubzilla.example.org/channel/kaniini"
 157       assert data["type"] == "Follow"
 158       assert data["id"] == "https://hubzilla.example.org/channel/kaniini#follows/2"
 159       assert User.following?(User.get_cached_by_ap_id(data["actor"]), user)
 160     end
 161   end
 162 end