diff --git a/lib/pleroma/object/updater.ex b/lib/pleroma/object/updater.ex index 0b21f6c99..3d34c3f27 100644 --- a/lib/pleroma/object/updater.ex +++ b/lib/pleroma/object/updater.ex @@ -10,7 +10,10 @@ def update_content_fields(orig_object_data, updated_object) do |> Enum.reduce( %{data: orig_object_data, updated: false}, fn field, %{data: data, updated: updated} -> - updated = updated or Map.get(updated_object, field) != Map.get(orig_object_data, field) + updated = + updated or + (field != "updated" and + Map.get(updated_object, field) != Map.get(orig_object_data, field)) data = if Map.has_key?(updated_object, field) do @@ -136,21 +139,57 @@ def make_update_object_data(original_data, new_data, date) do # This calculates the data of the new Object from an Update. # new_data's formerRepresentations is considered. def make_new_object_data_from_update_object(original_data, new_data) do - %{data: updated_data, updated: updated} = - original_data - |> update_content_fields(new_data) + update_is_reasonable = + with {_, updated} when not is_nil(updated) <- {:cur_updated, new_data["updated"]}, + {_, {:ok, updated_time, _}} <- {:cur_updated, DateTime.from_iso8601(updated)}, + {_, last_updated} when not is_nil(last_updated) <- + {:last_updated, original_data["updated"] || original_data["published"]}, + {_, {:ok, last_updated_time, _}} <- + {:last_updated, DateTime.from_iso8601(last_updated)}, + :gt <- DateTime.compare(updated_time, last_updated_time) do + :update_everything + else + # only allow poll updates + {:cur_updated, _} -> :no_content_update + :eq -> :no_content_update + # allow all updates + {:last_updated, _} -> :update_everything + # allow no updates + _ -> false + end - %{updated_object: updated_data, used_history_in_new_object?: used_history_in_new_object?} = - updated_data - |> maybe_update_history(original_data, - updated: updated, - use_history_in_new_object?: true, - new_data: new_data - ) + %{ + updated_object: updated_data, + used_history_in_new_object?: used_history_in_new_object?, + updated: updated + } = + if update_is_reasonable == :update_everything do + %{data: updated_data, updated: updated} = + original_data + |> update_content_fields(new_data) + + updated_data + |> maybe_update_history(original_data, + updated: updated, + use_history_in_new_object?: true, + new_data: new_data + ) + |> Map.put(:updated, updated) + else + %{ + updated_object: original_data, + used_history_in_new_object?: false, + updated: false + } + end updated_data = - updated_data - |> maybe_update_poll(new_data) + if update_is_reasonable != false do + updated_data + |> maybe_update_poll(new_data) + else + updated_data + end %{ updated_data: updated_data, diff --git a/test/pleroma/web/activity_pub/side_effects_test.exs b/test/pleroma/web/activity_pub/side_effects_test.exs index 8e84db774..3b313b769 100644 --- a/test/pleroma/web/activity_pub/side_effects_test.exs +++ b/test/pleroma/web/activity_pub/side_effects_test.exs @@ -142,14 +142,19 @@ test "it uses a given changeset to update", %{user: user, update: update} do describe "update notes" do setup do + make_time = fn -> + Pleroma.Web.ActivityPub.Utils.make_date() + end + user = insert(:user) - note = insert(:note, user: user) + note = insert(:note, user: user, data: %{"published" => make_time.()}) _note_activity = insert(:note_activity, note: note) updated_note = note.data |> Map.put("summary", "edited summary") |> Map.put("content", "edited content") + |> Map.put("updated", make_time.()) {:ok, update_data, []} = Builder.update(user, updated_note) {:ok, update, _meta} = ActivityPub.persist(update_data, local: true) @@ -170,8 +175,69 @@ test "it updates the note", %{ updated_note: updated_note } do {:ok, _, _} = SideEffects.handle(update, object_data: updated_note) + updated_time = updated_note["updated"] + new_note = Pleroma.Object.get_by_id(object_id) - assert %{"summary" => "edited summary", "content" => "edited content"} = new_note.data + + assert %{ + "summary" => "edited summary", + "content" => "edited content", + "updated" => ^updated_time + } = new_note.data + end + + test "it rejects updates with no updated attribute in object", %{ + object_id: object_id, + update: update, + updated_note: updated_note + } do + old_note = Pleroma.Object.get_by_id(object_id) + updated_note = Map.drop(updated_note, ["updated"]) + {:ok, _, _} = SideEffects.handle(update, object_data: updated_note) + new_note = Pleroma.Object.get_by_id(object_id) + assert old_note.data == new_note.data + end + + test "it rejects updates with updated attribute older than what we have in the original object", + %{ + object_id: object_id, + update: update, + updated_note: updated_note + } do + old_note = Pleroma.Object.get_by_id(object_id) + {:ok, creation_time, _} = DateTime.from_iso8601(old_note.data["published"]) + + updated_note = + Map.put(updated_note, "updated", DateTime.to_iso8601(DateTime.add(creation_time, -10))) + + {:ok, _, _} = SideEffects.handle(update, object_data: updated_note) + new_note = Pleroma.Object.get_by_id(object_id) + assert old_note.data == new_note.data + end + + test "it rejects updates with updated attribute older than the last Update", %{ + object_id: object_id, + update: update, + updated_note: updated_note + } do + old_note = Pleroma.Object.get_by_id(object_id) + {:ok, creation_time, _} = DateTime.from_iso8601(old_note.data["published"]) + + updated_note = + Map.put(updated_note, "updated", DateTime.to_iso8601(DateTime.add(creation_time, +10))) + + {:ok, _, _} = SideEffects.handle(update, object_data: updated_note) + + old_note = Pleroma.Object.get_by_id(object_id) + {:ok, update_time, _} = DateTime.from_iso8601(old_note.data["updated"]) + + updated_note = + Map.put(updated_note, "updated", DateTime.to_iso8601(DateTime.add(update_time, -5))) + + {:ok, _, _} = SideEffects.handle(update, object_data: updated_note) + + new_note = Pleroma.Object.get_by_id(object_id) + assert old_note.data == new_note.data end test "it updates using object_data", %{ @@ -215,6 +281,14 @@ test "it puts the original note at the front of formerRepresentations", %{ note.data |> Map.put("summary", "edited summary 2") |> Map.put("content", "edited content 2") + |> Map.put( + "updated", + first_edit["updated"] + |> DateTime.from_iso8601() + |> elem(1) + |> DateTime.add(10) + |> DateTime.to_iso8601() + ) {:ok, second_update_data, []} = Builder.update(user, second_updated_note) {:ok, update, _meta} = ActivityPub.persist(second_update_data, local: true) @@ -238,7 +312,18 @@ test "it does not prepend to formerRepresentations if no actual changes are made updated_note: updated_note } do {:ok, _, _} = SideEffects.handle(update, object_data: updated_note) - %{data: _first_edit} = Pleroma.Object.get_by_id(object_id) + %{data: first_edit} = Pleroma.Object.get_by_id(object_id) + + updated_note = + updated_note + |> Map.put( + "updated", + first_edit["updated"] + |> DateTime.from_iso8601() + |> elem(1) + |> DateTime.add(10) + |> DateTime.to_iso8601() + ) {:ok, _, _} = SideEffects.handle(update, object_data: updated_note) %{data: new_note} = Pleroma.Object.get_by_id(object_id) @@ -270,7 +355,10 @@ test "allows updating choice count without generating edit history", %{ data["oneOf"] |> Enum.map(fn choice -> put_in(choice, ["replies", "totalItems"], 5) end) - updated_question = data |> Map.put("oneOf", new_choices) + updated_question = + data + |> Map.put("oneOf", new_choices) + |> Map.put("updated", Pleroma.Web.ActivityPub.Utils.make_date()) {:ok, update_data, []} = Builder.update(user, updated_question) {:ok, update, _meta} = ActivityPub.persist(update_data, local: true) diff --git a/test/pleroma/web/common_api_test.exs b/test/pleroma/web/common_api_test.exs index 842c75e21..24f3a1a93 100644 --- a/test/pleroma/web/common_api_test.exs +++ b/test/pleroma/web/common_api_test.exs @@ -1596,7 +1596,7 @@ test "updates a post with emoji and federate properly" do clear_config([:instance, :federating], true) with_mock Pleroma.Web.Federator, - publish: fn p -> nil end do + publish: fn _p -> nil end do {:ok, updated} = CommonAPI.update(user, activity, %{status: "updated 2 :#{emoji2}:"}) assert updated.data["object"]["content"] == "updated 2 :#{emoji2}:"