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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.Object.ContainmentTest do
   6   use Pleroma.DataCase
   7
   8   alias Pleroma.Object.Containment
   9   alias Pleroma.User
  10
  11   import Pleroma.Factory
  12   import ExUnit.CaptureLog
  13
  14   setup_all do
  15     Tesla.Mock.mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
  16     :ok
  17   end
  18
  19   describe "general origin containment" do
  20     test "works for completely actorless posts" do
  21       assert :error ==
  22                Containment.contain_origin("https://glaceon.social/users/monorail", %{
  23                  "deleted" => "2019-10-30T05:48:50.249606Z",
  24                  "formerType" => "Note",
  25                  "id" => "https://glaceon.social/users/monorail/statuses/103049757364029187",
  26                  "type" => "Tombstone"
  27                })
  28     end
  29
  30     test "contain_origin_from_id() catches obvious spoofing attempts" do
  31       data = %{
  32         "id" => "http://example.com/~alyssa/activities/1234.json"
  33       }
  34
  35       :error =
  36         Containment.contain_origin_from_id(
  37           "http://example.org/~alyssa/activities/1234.json",
  38           data
  39         )
  40     end
  41
  42     test "contain_origin_from_id() allows alternate IDs within the same origin domain" do
  43       data = %{
  44         "id" => "http://example.com/~alyssa/activities/1234.json"
  45       }
  46
  47       :ok =
  48         Containment.contain_origin_from_id(
  49           "http://example.com/~alyssa/activities/1234",
  50           data
  51         )
  52     end
  53
  54     test "contain_origin_from_id() allows matching IDs" do
  55       data = %{
  56         "id" => "http://example.com/~alyssa/activities/1234.json"
  57       }
  58
  59       :ok =
  60         Containment.contain_origin_from_id(
  61           "http://example.com/~alyssa/activities/1234.json",
  62           data
  63         )
  64     end
  65
  66     test "users cannot be collided through fake direction spoofing attempts" do
  67       _user =
  68         insert(:user, %{
  69           nickname: "rye@niu.moe",
  70           local: false,
  71           ap_id: "https://niu.moe/users/rye",
  72           follower_address: User.ap_followers(%User{nickname: "rye@niu.moe"})
  73         })
  74
  75       assert capture_log(fn ->
  76                {:error, _} = User.get_or_fetch_by_ap_id("https://n1u.moe/users/rye")
  77              end) =~
  78                "[error] Could not decode user at fetch https://n1u.moe/users/rye"
  79     end
  80
  81     test "contain_origin_from_id() gracefully handles cases where no ID is present" do
  82       data = %{
  83         "type" => "Create",
  84         "object" => %{
  85           "id" => "http://example.net/~alyssa/activities/1234",
  86           "attributedTo" => "http://example.org/~alyssa"
  87         },
  88         "actor" => "http://example.com/~bob"
  89       }
  90
  91       :error =
  92         Containment.contain_origin_from_id("http://example.net/~alyssa/activities/1234", data)
  93     end
  94   end
  95
  96   describe "containment of children" do
  97     test "contain_child() catches spoofing attempts" do
  98       data = %{
  99         "id" => "http://example.com/whatever",
 100         "type" => "Create",
 101         "object" => %{
 102           "id" => "http://example.net/~alyssa/activities/1234",
 103           "attributedTo" => "http://example.org/~alyssa"
 104         },
 105         "actor" => "http://example.com/~bob"
 106       }
 107
 108       :error = Containment.contain_child(data)
 109     end
 110
 111     test "contain_child() allows correct origins" do
 112       data = %{
 113         "id" => "http://example.org/~alyssa/activities/5678",
 114         "type" => "Create",
 115         "object" => %{
 116           "id" => "http://example.org/~alyssa/activities/1234",
 117           "attributedTo" => "http://example.org/~alyssa"
 118         },
 119         "actor" => "http://example.org/~alyssa"
 120       }
 121
 122       :ok = Containment.contain_child(data)
 123     end
 124   end
 125 end