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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.Object.FetcherTest do
   6   use Pleroma.DataCase
   7
   8   alias Pleroma.Activity
   9   alias Pleroma.Object
  10   alias Pleroma.Object.Fetcher
  11   import Tesla.Mock
  12   import Mock
  13
  14   setup do
  15     mock(fn
  16       %{method: :get, url: "https://mastodon.example.org/users/userisgone"} ->
  17         %Tesla.Env{status: 410}
  18
  19       %{method: :get, url: "https://mastodon.example.org/users/userisgone404"} ->
  20         %Tesla.Env{status: 404}
  21
  22       env ->
  23         apply(HttpRequestMock, :request, [env])
  24     end)
  25
  26     :ok
  27   end
  28
  29   describe "actor origin containment" do
  30     test_with_mock "it rejects objects with a bogus origin",
  31                    Pleroma.Web.OStatus,
  32                    [:passthrough],
  33                    [] do
  34       {:error, _} = Fetcher.fetch_object_from_id("https://info.pleroma.site/activity.json")
  35
  36       refute called(Pleroma.Web.OStatus.fetch_activity_from_url(:_))
  37     end
  38
  39     test_with_mock "it rejects objects when attributedTo is wrong (variant 1)",
  40                    Pleroma.Web.OStatus,
  41                    [:passthrough],
  42                    [] do
  43       {:error, _} = Fetcher.fetch_object_from_id("https://info.pleroma.site/activity2.json")
  44
  45       refute called(Pleroma.Web.OStatus.fetch_activity_from_url(:_))
  46     end
  47
  48     test_with_mock "it rejects objects when attributedTo is wrong (variant 2)",
  49                    Pleroma.Web.OStatus,
  50                    [:passthrough],
  51                    [] do
  52       {:error, _} = Fetcher.fetch_object_from_id("https://info.pleroma.site/activity3.json")
  53
  54       refute called(Pleroma.Web.OStatus.fetch_activity_from_url(:_))
  55     end
  56   end
  57
  58   describe "fetching an object" do
  59     test "it fetches an object" do
  60       {:ok, object} =
  61         Fetcher.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")
  62
  63       assert activity = Activity.get_create_by_object_ap_id(object.data["id"])
  64       assert activity.data["id"]
  65
  66       {:ok, object_again} =
  67         Fetcher.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")
  68
  69       assert [attachment] = object.data["attachment"]
  70       assert is_list(attachment["url"])
  71
  72       assert object == object_again
  73     end
  74   end
  75
  76   describe "implementation quirks" do
  77     test "it can fetch plume articles" do
  78       {:ok, object} =
  79         Fetcher.fetch_object_from_id(
  80           "https://baptiste.gelez.xyz/~/PlumeDevelopment/this-month-in-plume-june-2018/"
  81         )
  82
  83       assert object
  84     end
  85
  86     test "it can fetch peertube videos" do
  87       {:ok, object} =
  88         Fetcher.fetch_object_from_id(
  89           "https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3"
  90         )
  91
  92       assert object
  93     end
  94
  95     test "it can fetch wedistribute articles" do
  96       {:ok, object} =
  97         Fetcher.fetch_object_from_id("https://wedistribute.org/wp-json/pterotype/v1/object/85810")
  98
  99       assert object
 100     end
 101
 102     test "all objects with fake directions are rejected by the object fetcher" do
 103       assert {:error, _} =
 104                Fetcher.fetch_and_contain_remote_object_from_id(
 105                  "https://info.pleroma.site/activity4.json"
 106                )
 107     end
 108
 109     test "handle HTTP 410 Gone response" do
 110       assert {:error, "Object has been deleted"} ==
 111                Fetcher.fetch_and_contain_remote_object_from_id(
 112                  "https://mastodon.example.org/users/userisgone"
 113                )
 114     end
 115
 116     test "handle HTTP 404 response" do
 117       assert {:error, "Object has been deleted"} ==
 118                Fetcher.fetch_and_contain_remote_object_from_id(
 119                  "https://mastodon.example.org/users/userisgone404"
 120                )
 121     end
 122   end
 123
 124   describe "pruning" do
 125     test "it can refetch pruned objects" do
 126       object_id = "http://mastodon.example.org/@admin/99541947525187367"
 127
 128       {:ok, object} = Fetcher.fetch_object_from_id(object_id)
 129
 130       assert object
 131
 132       {:ok, _object} = Object.prune(object)
 133
 134       refute Object.get_by_ap_id(object_id)
 135
 136       {:ok, %Object{} = object_two} = Fetcher.fetch_object_from_id(object_id)
 137
 138       assert object.data["id"] == object_two.data["id"]
 139       assert object.id != object_two.id
 140     end
 141   end
 142
 143   describe "signed fetches" do
 144     clear_config([:activitypub, :sign_object_fetches])
 145
 146     test_with_mock "it signs fetches when configured to do so",
 147                    Pleroma.Signature,
 148                    [:passthrough],
 149                    [] do
 150       Pleroma.Config.put([:activitypub, :sign_object_fetches], true)
 151
 152       Fetcher.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")
 153
 154       assert called(Pleroma.Signature.sign(:_, :_))
 155     end
 156
 157     test_with_mock "it doesn't sign fetches when not configured to do so",
 158                    Pleroma.Signature,
 159                    [:passthrough],
 160                    [] do
 161       Pleroma.Config.put([:activitypub, :sign_object_fetches], false)
 162
 163       Fetcher.fetch_object_from_id("http://mastodon.example.org/@admin/99541947525187367")
 164
 165       refute called(Pleroma.Signature.sign(:_, :_))
 166     end
 167   end
 168 end