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My custom branche(s) on git.pleroma.social/pleroma/pleroma git clone https://hacktivis.me/git/pleroma.git
commit: 66327b56e946f58f4ffe724f8329bad929acb875
parent b8b15cec9e18b434cf65aa6c496c7c8d215c4d73
Author: Haelwenn <contact+git.pleroma.social@hacktivis.me>
Date:   Wed, 17 May 2023 18:50:35 +0000

Merge branch 'tusooa/rework-refetch' into 'develop'

Make sure object refetching follows update rules

See merge request pleroma/pleroma!3883

Diffstat:

Achangelog.d/3883.fix1+
Mlib/pleroma/object/fetcher.ex86++++++++++++++-----------------------------------------------------------------
Mlib/pleroma/object/updater.ex48++++++++++++++++++++++++++++++++++++++++++++++++
Mlib/pleroma/web/activity_pub/side_effects.ex36++++++------------------------------
Mtest/pleroma/object/fetcher_test.exs84+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------
5 files changed, 144 insertions(+), 111 deletions(-)

diff --git a/changelog.d/3883.fix b/changelog.d/3883.fix @@ -0,0 +1 @@ +Fix abnormal behaviour when refetching a poll diff --git a/lib/pleroma/object/fetcher.ex b/lib/pleroma/object/fetcher.ex @@ -8,77 +8,30 @@ defmodule Pleroma.Object.Fetcher do alias Pleroma.Maps alias Pleroma.Object alias Pleroma.Object.Containment - alias Pleroma.Repo alias Pleroma.Signature alias Pleroma.Web.ActivityPub.InternalFetchActor + alias Pleroma.Web.ActivityPub.MRF alias Pleroma.Web.ActivityPub.ObjectValidator + alias Pleroma.Web.ActivityPub.Pipeline alias Pleroma.Web.ActivityPub.Transmogrifier alias Pleroma.Web.Federator require Logger require Pleroma.Constants - defp touch_changeset(changeset) do - updated_at = - NaiveDateTime.utc_now() - |> NaiveDateTime.truncate(:second) - - Ecto.Changeset.put_change(changeset, :updated_at, updated_at) - end - - defp maybe_reinject_internal_fields(%{data: %{} = old_data}, new_data) do - has_history? = fn - %{"formerRepresentations" => %{"orderedItems" => list}} when is_list(list) -> true - _ -> false - end - - internal_fields = Map.take(old_data, Pleroma.Constants.object_internal_fields()) - - remote_history_exists? = has_history?.(new_data) - - # If the remote history exists, we treat that as the only source of truth. - new_data = - if has_history?.(old_data) and not remote_history_exists? do - Map.put(new_data, "formerRepresentations", old_data["formerRepresentations"]) - else - new_data - end - - # If the remote does not have history information, we need to manage it ourselves - new_data = - if not remote_history_exists? do - changed? = - Pleroma.Constants.status_updatable_fields() - |> Enum.any?(fn field -> Map.get(old_data, field) != Map.get(new_data, field) end) - - %{updated_object: updated_object} = - new_data - |> Object.Updater.maybe_update_history(old_data, - updated: changed?, - use_history_in_new_object?: false - ) - - updated_object - else - new_data - end - - Map.merge(new_data, internal_fields) - end - - defp maybe_reinject_internal_fields(_, new_data), do: new_data - @spec reinject_object(struct(), map()) :: {:ok, Object.t()} | {:error, any()} - defp reinject_object(%Object{data: %{"type" => "Question"}} = object, new_data) do + defp reinject_object(%Object{data: %{}} = object, new_data) do Logger.debug("Reinjecting object #{new_data["id"]}") - with data <- maybe_reinject_internal_fields(object, new_data), - {:ok, data, _} <- ObjectValidator.validate(data, %{}), - changeset <- Object.change(object, %{data: data}), - changeset <- touch_changeset(changeset), - {:ok, object} <- Repo.insert_or_update(changeset), - {:ok, object} <- Object.set_cache(object) do - {:ok, object} + with {:ok, new_data, _} <- ObjectValidator.validate(new_data, %{}), + {:ok, new_data} <- MRF.filter(new_data), + {:ok, new_object, _} <- + Object.Updater.do_update_and_invalidate_cache( + object, + new_data, + _touch_changeset? = true + ) do + {:ok, new_object} else e -> Logger.error("Error while processing object: #{inspect(e)}") @@ -86,20 +39,11 @@ defmodule Pleroma.Object.Fetcher do end end - defp reinject_object(%Object{} = object, new_data) do - Logger.debug("Reinjecting object #{new_data["id"]}") - - with new_data <- Transmogrifier.fix_object(new_data), - data <- maybe_reinject_internal_fields(object, new_data), - changeset <- Object.change(object, %{data: data}), - changeset <- touch_changeset(changeset), - {:ok, object} <- Repo.insert_or_update(changeset), - {:ok, object} <- Object.set_cache(object) do + defp reinject_object(_, new_data) do + with {:ok, object, _} <- Pipeline.common_pipeline(new_data, local: false) do {:ok, object} else - e -> - Logger.error("Error while processing object: #{inspect(e)}") - {:error, e} + e -> e end end diff --git a/lib/pleroma/object/updater.ex b/lib/pleroma/object/updater.ex @@ -5,6 +5,9 @@ defmodule Pleroma.Object.Updater do require Pleroma.Constants + alias Pleroma.Object + alias Pleroma.Repo + def update_content_fields(orig_object_data, updated_object) do Pleroma.Constants.status_updatable_fields() |> Enum.reduce( @@ -237,4 +240,49 @@ defmodule Pleroma.Object.Updater do {:history_items, e} -> e end end + + defp maybe_touch_changeset(changeset, true) do + updated_at = + NaiveDateTime.utc_now() + |> NaiveDateTime.truncate(:second) + + Ecto.Changeset.put_change(changeset, :updated_at, updated_at) + end + + defp maybe_touch_changeset(changeset, _), do: changeset + + def do_update_and_invalidate_cache(orig_object, updated_object, touch_changeset? \\ false) do + orig_object_ap_id = updated_object["id"] + orig_object_data = orig_object.data + + %{ + updated_data: updated_object_data, + updated: updated, + used_history_in_new_object?: used_history_in_new_object? + } = make_new_object_data_from_update_object(orig_object_data, updated_object) + + changeset = + orig_object + |> Repo.preload(:hashtags) + |> Object.change(%{data: updated_object_data}) + |> maybe_touch_changeset(touch_changeset?) + + with {:ok, new_object} <- Repo.update(changeset), + {:ok, _} <- Object.invalid_object_cache(new_object), + {:ok, _} <- Object.set_cache(new_object), + # The metadata/utils.ex uses the object id for the cache. + {:ok, _} <- Pleroma.Activity.HTML.invalidate_cache_for(new_object.id) do + if used_history_in_new_object? do + with create_activity when not is_nil(create_activity) <- + Pleroma.Activity.get_create_by_object_ap_id(orig_object_ap_id), + {:ok, _} <- Pleroma.Activity.HTML.invalidate_cache_for(create_activity.id) do + nil + else + _ -> nil + end + end + + {:ok, new_object, updated} + end + end end diff --git a/lib/pleroma/web/activity_pub/side_effects.ex b/lib/pleroma/web/activity_pub/side_effects.ex @@ -428,37 +428,13 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do end if orig_object_data["type"] in Pleroma.Constants.updatable_object_types() do - %{ - updated_data: updated_object_data, - updated: updated, - used_history_in_new_object?: used_history_in_new_object? - } = Object.Updater.make_new_object_data_from_update_object(orig_object_data, updated_object) - - changeset = - orig_object - |> Repo.preload(:hashtags) - |> Object.change(%{data: updated_object_data}) - - with {:ok, new_object} <- Repo.update(changeset), - {:ok, _} <- Object.invalid_object_cache(new_object), - {:ok, _} <- Object.set_cache(new_object), - # The metadata/utils.ex uses the object id for the cache. - {:ok, _} <- Pleroma.Activity.HTML.invalidate_cache_for(new_object.id) do - if used_history_in_new_object? do - with create_activity when not is_nil(create_activity) <- - Pleroma.Activity.get_create_by_object_ap_id(orig_object_ap_id), - {:ok, _} <- Pleroma.Activity.HTML.invalidate_cache_for(create_activity.id) do - nil - else - _ -> nil - end - end + {:ok, _, updated} = + Object.Updater.do_update_and_invalidate_cache(orig_object, updated_object) - if updated do - object - |> Activity.normalize() - |> ActivityPub.notify_and_stream() - end + if updated do + object + |> Activity.normalize() + |> ActivityPub.notify_and_stream() end end diff --git a/test/pleroma/object/fetcher_test.exs b/test/pleroma/object/fetcher_test.exs @@ -9,8 +9,12 @@ defmodule Pleroma.Object.FetcherTest do alias Pleroma.Instances alias Pleroma.Object alias Pleroma.Object.Fetcher + alias Pleroma.Web.ActivityPub.ObjectValidator + + require Pleroma.Constants import Mock + import Pleroma.Factory import Tesla.Mock setup do @@ -284,6 +288,8 @@ defmodule Pleroma.Object.FetcherTest do describe "refetching" do setup do + insert(:user, ap_id: "https://mastodon.social/users/emelie") + object1 = %{ "id" => "https://mastodon.social/1", "actor" => "https://mastodon.social/users/emelie", @@ -293,10 +299,14 @@ defmodule Pleroma.Object.FetcherTest do "bcc" => [], "bto" => [], "cc" => [], - "to" => [], - "summary" => "" + "to" => [Pleroma.Constants.as_public()], + "summary" => "", + "published" => "2023-05-08 23:43:20Z", + "updated" => "2023-05-09 23:43:20Z" } + {:ok, local_object1, _} = ObjectValidator.validate(object1, []) + object2 = %{ "id" => "https://mastodon.social/2", "actor" => "https://mastodon.social/users/emelie", @@ -306,8 +316,10 @@ defmodule Pleroma.Object.FetcherTest do "bcc" => [], "bto" => [], "cc" => [], - "to" => [], + "to" => [Pleroma.Constants.as_public()], "summary" => "", + "published" => "2023-05-08 23:43:20Z", + "updated" => "2023-05-09 23:43:25Z", "formerRepresentations" => %{ "type" => "OrderedCollection", "orderedItems" => [ @@ -319,14 +331,18 @@ defmodule Pleroma.Object.FetcherTest do "bcc" => [], "bto" => [], "cc" => [], - "to" => [], - "summary" => "" + "to" => [Pleroma.Constants.as_public()], + "summary" => "", + "published" => "2023-05-08 23:43:20Z", + "updated" => "2023-05-09 23:43:21Z" } ], "totalItems" => 1 } } + {:ok, local_object2, _} = ObjectValidator.validate(object2, []) + mock(fn %{ method: :get, @@ -335,7 +351,7 @@ defmodule Pleroma.Object.FetcherTest do %Tesla.Env{ status: 200, headers: [{"content-type", "application/activity+json"}], - body: Jason.encode!(object1) + body: Jason.encode!(object1 |> Map.put("updated", "2023-05-09 23:44:20Z")) } %{ @@ -345,7 +361,7 @@ defmodule Pleroma.Object.FetcherTest do %Tesla.Env{ status: 200, headers: [{"content-type", "application/activity+json"}], - body: Jason.encode!(object2) + body: Jason.encode!(object2 |> Map.put("updated", "2023-05-09 23:44:20Z")) } %{ @@ -370,7 +386,7 @@ defmodule Pleroma.Object.FetcherTest do apply(HttpRequestMock, :request, [env]) end) - %{object1: object1, object2: object2} + %{object1: local_object1, object2: local_object2} end test "it keeps formerRepresentations if remote does not have this attr", %{object1: object1} do @@ -388,8 +404,9 @@ defmodule Pleroma.Object.FetcherTest do "bcc" => [], "bto" => [], "cc" => [], - "to" => [], - "summary" => "" + "to" => [Pleroma.Constants.as_public()], + "summary" => "", + "published" => "2023-05-08 23:43:20Z" } ], "totalItems" => 1 @@ -467,6 +484,53 @@ defmodule Pleroma.Object.FetcherTest do } } = refetched.data end + + test "it keeps the history intact if only updated time has changed", + %{object1: object1} do + full_object1 = + object1 + |> Map.merge(%{ + "updated" => "2023-05-08 23:43:47Z", + "formerRepresentations" => %{ + "type" => "OrderedCollection", + "orderedItems" => [ + %{"type" => "Note", "content" => "mew mew 1"} + ], + "totalItems" => 1 + } + }) + + {:ok, o} = Object.create(full_object1) + + assert {:ok, refetched} = Fetcher.refetch_object(o) + + assert %{ + "content" => "test 1", + "formerRepresentations" => %{ + "orderedItems" => [ + %{"content" => "mew mew 1"} + ], + "totalItems" => 1 + } + } = refetched.data + end + + test "it goes through ObjectValidator and MRF", %{object2: object2} do + with_mock Pleroma.Web.ActivityPub.MRF, [:passthrough], + filter: fn + %{"type" => "Note"} = object -> + {:ok, Map.put(object, "content", "MRFd content")} + + arg -> + passthrough([arg]) + end do + {:ok, o} = Object.create(object2) + + assert {:ok, refetched} = Fetcher.refetch_object(o) + + assert %{"content" => "MRFd content"} = refetched.data + end + end end describe "fetch with history" do