diff options
| -rw-r--r-- | changelog.d/incoming-blocks.fix | 1 | ||||
| -rw-r--r-- | lib/pleroma/constants.ex | 5 | ||||
| -rw-r--r-- | lib/pleroma/web/activity_pub/object_validator.ex | 12 | ||||
| -rw-r--r-- | test/pleroma/web/activity_pub/activity_pub_controller_test.exs | 21 |
4 files changed, 39 insertions, 0 deletions
diff --git a/changelog.d/incoming-blocks.fix b/changelog.d/incoming-blocks.fix new file mode 100644 index 000000000..3228d7318 --- /dev/null +++ b/changelog.d/incoming-blocks.fix @@ -0,0 +1 @@ +Fix incoming Block activities being rejected diff --git a/lib/pleroma/constants.ex b/lib/pleroma/constants.ex index 5268ebe7a..2828c79a9 100644 --- a/lib/pleroma/constants.ex +++ b/lib/pleroma/constants.ex @@ -87,6 +87,7 @@ defmodule Pleroma.Constants do const(activity_types, do: [ + "Block", "Create", "Update", "Delete", @@ -115,6 +116,10 @@ defmodule Pleroma.Constants do ] ) + const(object_types, + do: ~w[Event Question Answer Audio Video Image Article Note Page ChatMessage] + ) + # basic regex, just there to weed out potential mistakes # https://datatracker.ietf.org/doc/html/rfc2045#section-5.1 const(mime_regex, diff --git a/lib/pleroma/web/activity_pub/object_validator.ex b/lib/pleroma/web/activity_pub/object_validator.ex index b3043b93a..35774d410 100644 --- a/lib/pleroma/web/activity_pub/object_validator.ex +++ b/lib/pleroma/web/activity_pub/object_validator.ex @@ -11,6 +11,8 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidator do @behaviour Pleroma.Web.ActivityPub.ObjectValidator.Validating + import Pleroma.Constants, only: [activity_types: 0, object_types: 0] + alias Pleroma.Activity alias Pleroma.EctoType.ActivityPub.ObjectValidators alias Pleroma.Object @@ -38,6 +40,16 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidator do @impl true def validate(object, meta) + # This overload works together with the InboxGuardPlug + # and ensures that we are not accepting any activity type + # that cannot pass InboxGuardPlug. + # If we want to support any more activity types, make sure to + # add it in Pleroma.Constants's activity_types or object_types, + # and, if applicable, allowed_activity_types_from_strangers. + def validate(%{"type" => type}, _meta) + when type not in activity_types() and type not in object_types(), + do: {:error, :not_allowed_object_type} + def validate(%{"type" => "Block"} = block_activity, meta) do with {:ok, block_activity} <- block_activity diff --git a/test/pleroma/web/activity_pub/activity_pub_controller_test.exs b/test/pleroma/web/activity_pub/activity_pub_controller_test.exs index 3bd589f49..d4175b56f 100644 --- a/test/pleroma/web/activity_pub/activity_pub_controller_test.exs +++ b/test/pleroma/web/activity_pub/activity_pub_controller_test.exs @@ -1320,6 +1320,27 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubControllerTest do html_body: ~r/#{note.data["object"]}/i ) end + + test "it accepts an incoming Block", %{conn: conn, data: data} do + user = insert(:user) + + data = + data + |> Map.put("type", "Block") + |> Map.put("to", [user.ap_id]) + |> Map.put("cc", []) + |> Map.put("object", user.ap_id) + + conn = + conn + |> assign(:valid_signature, true) + |> put_req_header("content-type", "application/activity+json") + |> post("/users/#{user.nickname}/inbox", data) + + assert "ok" == json_response(conn, 200) + ObanHelpers.perform(all_enqueued(worker: ReceiverWorker)) + assert Activity.get_by_ap_id(data["id"]) + end end describe "GET /users/:nickname/outbox" do |