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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2018 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 incoming follow requests" do
  23       user = insert(:user)
  24
  25       data =
  26         File.read!("test/fixtures/mastodon-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"] == "http://mastodon.example.org/users/admin"
  33       assert data["type"] == "Follow"
  34       assert data["id"] == "http://mastodon.example.org/users/admin#follows/2"
  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 "with locked accounts, it does not create a follow or an accept" do
  42       user = insert(:user, info: %{locked: true})
  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}} = Transmogrifier.handle_incoming(data)
  50
  51       assert data["state"] == "pending"
  52
  53       refute User.following?(User.get_cached_by_ap_id(data["actor"]), user)
  54
  55       accepts =
  56         from(
  57           a in Activity,
  58           where: fragment("?->>'type' = ?", a.data, "Accept")
  59         )
  60         |> Repo.all()
  61
  62       assert length(accepts) == 0
  63     end
  64
  65     test "it works for follow requests when you are already followed, creating a new accept activity" do
  66       # This is important because the remote might have the wrong idea about the
  67       # current follow status. This can lead to instance A thinking that x@A is
  68       # followed by y@B, but B thinks they are not. In this case, the follow can
  69       # never go through again because it will never get an Accept.
  70       user = insert(:user)
  71
  72       data =
  73         File.read!("test/fixtures/mastodon-follow-activity.json")
  74         |> Poison.decode!()
  75         |> Map.put("object", user.ap_id)
  76
  77       {:ok, %Activity{local: false}} = Transmogrifier.handle_incoming(data)
  78
  79       accepts =
  80         from(
  81           a in Activity,
  82           where: fragment("?->>'type' = ?", a.data, "Accept")
  83         )
  84         |> Repo.all()
  85
  86       assert length(accepts) == 1
  87
  88       data =
  89         File.read!("test/fixtures/mastodon-follow-activity.json")
  90         |> Poison.decode!()
  91         |> Map.put("id", String.replace(data["id"], "2", "3"))
  92         |> Map.put("object", user.ap_id)
  93
  94       {:ok, %Activity{local: false}} = Transmogrifier.handle_incoming(data)
  95
  96       accepts =
  97         from(
  98           a in Activity,
  99           where: fragment("?->>'type' = ?", a.data, "Accept")
 100         )
 101         |> Repo.all()
 102
 103       assert length(accepts) == 2
 104     end
 105
 106     test "it rejects incoming follow requests from blocked users when deny_follow_blocked is enabled" do
 107       Pleroma.Config.put([:user, :deny_follow_blocked], true)
 108
 109       user = insert(:user)
 110       {:ok, target} = User.get_or_fetch("http://mastodon.example.org/users/admin")
 111
 112       {:ok, user} = User.block(user, target)
 113
 114       data =
 115         File.read!("test/fixtures/mastodon-follow-activity.json")
 116         |> Poison.decode!()
 117         |> Map.put("object", user.ap_id)
 118
 119       {:ok, %Activity{data: %{"id" => id}}} = Transmogrifier.handle_incoming(data)
 120
 121       %Activity{} = activity = Activity.get_by_ap_id(id)
 122
 123       assert activity.data["state"] == "reject"
 124     end
 125
 126     test "it works for incoming follow requests from hubzilla" do
 127       user = insert(:user)
 128
 129       data =
 130         File.read!("test/fixtures/hubzilla-follow-activity.json")
 131         |> Poison.decode!()
 132         |> Map.put("object", user.ap_id)
 133         |> Utils.normalize_params()
 134
 135       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 136
 137       assert data["actor"] == "https://hubzilla.example.org/channel/kaniini"
 138       assert data["type"] == "Follow"
 139       assert data["id"] == "https://hubzilla.example.org/channel/kaniini#follows/2"
 140       assert User.following?(User.get_cached_by_ap_id(data["actor"]), user)
 141     end
 142   end
 143 end