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Undoing: Move undoing announcements to the pipeline everywhere.

This commit is contained in:
lain 2020-05-05 16:42:34 +02:00
parent b34debe615
commit a3bb2e5474
10 changed files with 45 additions and 116 deletions
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10
lib/pleroma/user.ex
View File

@ -1554,7 +1554,7 @@ defp delete_activity(%{data: %{"type" => "Create"}} = activity) do
|> ActivityPub.delete()
end
defp delete_activity(%{data: %{"type" => "Like"}} = activity) do
defp delete_activity(%{data: %{"type" => type}} = activity) when type in ["Like", "Announce"] do
actor =
activity.actor
|> get_cached_by_ap_id()
@ -1564,14 +1564,6 @@ defp delete_activity(%{data: %{"type" => "Like"}} = activity) do
Pipeline.common_pipeline(undo, local: true)
end
defp delete_activity(%{data: %{"type" => "Announce"}} = activity) do
object = Object.normalize(activity)
activity.actor
|> get_cached_by_ap_id()
|> ActivityPub.unannounce(object)
end
defp delete_activity(_activity), do: "Doing nothing"
def html_filter_policy(%User{no_rich_text: true}) do

28
lib/pleroma/web/activity_pub/activity_pub.ex
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@ -402,34 +402,6 @@ defp do_announce(user, object, activity_id, local, public) do
end
end
@spec unannounce(User.t(), Object.t(), String.t() | nil, boolean()) ::
{:ok, Activity.t(), Object.t()} | {:ok, Object.t()} | {:error, any()}
def unannounce(
%User{} = actor,
%Object{} = object,
activity_id \\ nil,
local \\ true
) do
with {:ok, result} <-
Repo.transaction(fn -> do_unannounce(actor, object, activity_id, local) end) do
result
end
end
defp do_unannounce(actor, object, activity_id, local) do
with %Activity{} = announce_activity <- get_existing_announce(actor.ap_id, object),
unannounce_data <- make_unannounce_data(actor, announce_activity, activity_id),
{:ok, unannounce_activity} <- insert(unannounce_data, local),
:ok <- maybe_federate(unannounce_activity),
{:ok, _activity} <- Repo.delete(announce_activity),
{:ok, object} <- remove_announce_from_object(announce_activity, object) do
{:ok, unannounce_activity, object}
else
nil -> {:ok, object}
{:error, error} -> Repo.rollback(error)
end
end
@spec follow(User.t(), User.t(), String.t() | nil, boolean()) ::
{:ok, Activity.t()} | {:error, any()}
def follow(follower, followed, activity_id \\ nil, local \\ true) do

8
lib/pleroma/web/activity_pub/side_effects.ex
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@ -53,5 +53,13 @@ def handle_undoing(%{data: %{"type" => "EmojiReact"}} = object) do
end
end
def handle_undoing(%{data: %{"type" => "Announce"}} = object) do
with %Object{} = liked_object <- Object.get_by_ap_id(object.data["object"]),
{:ok, _} <- Utils.remove_announce_from_object(object, liked_object),
{:ok, _} <- Repo.delete(object) do
:ok
end
end
def handle_undoing(object), do: {:error, ["don't know how to handle", object]}
end

21
lib/pleroma/web/activity_pub/transmogrifier.ex
View File

@ -768,25 +768,6 @@ def handle_incoming(
end
end
def handle_incoming(
%{
"type" => "Undo",
"object" => %{"type" => "Announce", "object" => object_id},
"actor" => _actor,
"id" => id
} = data,
_options
) do
with actor <- Containment.get_actor(data),
{:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(actor),
{:ok, object} <- get_obj_helper(object_id),
{:ok, activity, _} <- ActivityPub.unannounce(actor, object, id, false) do
{:ok, activity}
else
_e -> :error
end
end
def handle_incoming(
%{
"type" => "Undo",
@ -847,7 +828,7 @@ def handle_incoming(
} = data,
_options
)
when type in ["Like", "EmojiReact"] do
when type in ["Like", "EmojiReact", "Announce"] do
with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
{:ok, activity}
end

9
lib/pleroma/web/common_api/common_api.ex
View File

@ -107,9 +107,12 @@ def repeat(id, user, params \\ %{}) do
def unrepeat(id, user) do
with {_, %Activity{data: %{"type" => "Create"}} = activity} <-
{:find_activity, Activity.get_by_id(id)} do
object = Object.normalize(activity)
ActivityPub.unannounce(user, object)
{:find_activity, Activity.get_by_id(id)},
%Object{} = note <- Object.normalize(activity, false),
%Activity{} = announce <- Utils.get_existing_announce(user.ap_id, note),
{:ok, undo, _} <- Builder.undo(user, announce),
{:ok, activity, _} <- Pipeline.common_pipeline(undo, local: true) do
{:ok, activity}
else
{:find_activity, _} -> {:error, :not_found}
_ -> {:error, dgettext("errors", "Could not unrepeat")}

6
lib/pleroma/web/mastodon_api/controllers/status_controller.ex
View File

@ -206,9 +206,9 @@ def reblog(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id} = params) do
end
@doc "POST /api/v1/statuses/:id/unreblog"
def unreblog(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
with {:ok, _unannounce, %{data: %{"id" => id}}} <- CommonAPI.unrepeat(ap_id_or_id, user),
%Activity{} = activity <- Activity.get_create_by_object_ap_id_with_object(id) do
def unreblog(%{assigns: %{user: user}} = conn, %{"id" => activity_id}) do
with {:ok, _unannounce} <- CommonAPI.unrepeat(activity_id, user),
%Activity{} = activity <- Activity.get_by_id(activity_id) do
try_render(conn, "show.json", %{activity: activity, for: user, as: :activity})
end
end

2
test/notification_test.exs
View File

@ -758,7 +758,7 @@ test "repeating an activity results in 1 notification, then 0 if the activity is
assert length(Notification.for_user(user)) == 1
{:ok, _, _} = CommonAPI.unrepeat(activity.id, other_user)
{:ok, _} = CommonAPI.unrepeat(activity.id, other_user)
assert Enum.empty?(Notification.for_user(user))
end

46
test/web/activity_pub/activity_pub_test.exs
View File

@ -1008,52 +1008,6 @@ test "does not add an announce activity to the db if the announcer is not the au
end
end
describe "unannouncing an object" do
test "unannouncing a previously announced object" do
note_activity = insert(:note_activity)
object = Object.normalize(note_activity)
user = insert(:user)
# Unannouncing an object that is not announced does nothing
{:ok, object} = ActivityPub.unannounce(user, object)
refute object.data["announcement_count"]
{:ok, announce_activity, object} = ActivityPub.announce(user, object)
assert object.data["announcement_count"] == 1
{:ok, unannounce_activity, object} = ActivityPub.unannounce(user, object)
assert object.data["announcement_count"] == 0
assert unannounce_activity.data["to"] == [
User.ap_followers(user),
object.data["actor"]
]
assert unannounce_activity.data["type"] == "Undo"
assert unannounce_activity.data["object"] == announce_activity.data
assert unannounce_activity.data["actor"] == user.ap_id
assert unannounce_activity.data["context"] == announce_activity.data["context"]
assert Activity.get_by_id(announce_activity.id) == nil
end
test "reverts unannouncing on error" do
note_activity = insert(:note_activity)
object = Object.normalize(note_activity)
user = insert(:user)
{:ok, _announce_activity, object} = ActivityPub.announce(user, object)
assert object.data["announcement_count"] == 1
with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
assert {:error, :reverted} = ActivityPub.unannounce(user, object)
end
object = Object.get_by_ap_id(object.data["id"])
assert object.data["announcement_count"] == 1
end
end
describe "uploading files" do
test "copies the file to the configured folder" do
file = %Plug.Upload{

26
test/web/activity_pub/side_effects_test.exs
View File

@ -22,8 +22,8 @@ defmodule Pleroma.Web.ActivityPub.SideEffectsTest do
user = insert(:user)
{:ok, post} = CommonAPI.post(poster, %{"status" => "hey"})
{:ok, like} = CommonAPI.favorite(user, post.id)
{:ok, reaction, _} = CommonAPI.react_with_emoji(post.id, user, "👍")
{:ok, announce, _} = CommonAPI.repeat(post.id, user)
{:ok, undo_data, _meta} = Builder.undo(user, like)
{:ok, like_undo, _meta} = ActivityPub.persist(undo_data, local: true)
@ -31,15 +31,37 @@ defmodule Pleroma.Web.ActivityPub.SideEffectsTest do
{:ok, undo_data, _meta} = Builder.undo(user, reaction)
{:ok, reaction_undo, _meta} = ActivityPub.persist(undo_data, local: true)
{:ok, undo_data, _meta} = Builder.undo(user, announce)
{:ok, announce_undo, _meta} = ActivityPub.persist(undo_data, local: true)
%{
like_undo: like_undo,
post: post,
like: like,
reaction_undo: reaction_undo,
reaction: reaction
reaction: reaction,
announce_undo: announce_undo,
announce: announce
}
end
test "an announce undo removes the announce from the object", %{
announce_undo: announce_undo,
post: post
} do
{:ok, _announce_undo, _} = SideEffects.handle(announce_undo)
object = Object.get_by_ap_id(post.data["object"])
assert object.data["announcement_count"] == 0
assert object.data["announcements"] == []
end
test "deletes the original announce", %{announce_undo: announce_undo, announce: announce} do
{:ok, _announce_undo, _} = SideEffects.handle(announce_undo)
refute Activity.get_by_id(announce.id)
end
test "a reaction undo removes the reaction from the object", %{
reaction_undo: reaction_undo,
post: post

5
test/web/activity_pub/transmogrifier/undo_handling_test.exs
View File

@ -125,11 +125,8 @@ test "it works for incoming unannounces with an existing notice" do
{:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
assert data["type"] == "Undo"
assert object_data = data["object"]
assert object_data["type"] == "Announce"
assert object_data["object"] == activity.data["object"]
assert object_data["id"] ==
assert data["object"] ==
"http://mastodon.example.org/users/admin/statuses/99542391527669785/activity"
end