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diff --git a/lib/pleroma/web/activity_pub/builder.ex b/lib/pleroma/web/activity_pub/builder.ex
index 7ece764f5..51b74414a 100644
--- a/lib/pleroma/web/activity_pub/builder.ex
+++ b/lib/pleroma/web/activity_pub/builder.ex
@@ -1,140 +1,146 @@
defmodule Pleroma.Web.ActivityPub.Builder do
@moduledoc """
This module builds the objects. Meant to be used for creating local objects.
This module encodes our addressing policies and general shape of our objects.
"""
alias Pleroma.Object
alias Pleroma.User
+ alias Pleroma.Web.ActivityPub.Relay
alias Pleroma.Web.ActivityPub.Utils
alias Pleroma.Web.ActivityPub.Visibility
require Pleroma.Constants
@spec emoji_react(User.t(), Object.t(), String.t()) :: {:ok, map(), keyword()}
def emoji_react(actor, object, emoji) do
with {:ok, data, meta} <- object_action(actor, object) do
data =
data
|> Map.put("content", emoji)
|> Map.put("type", "EmojiReact")
{:ok, data, meta}
end
end
@spec undo(User.t(), Activity.t()) :: {:ok, map(), keyword()}
def undo(actor, object) do
{:ok,
%{
"id" => Utils.generate_activity_id(),
"actor" => actor.ap_id,
"type" => "Undo",
"object" => object.data["id"],
"to" => object.data["to"] || [],
"cc" => object.data["cc"] || []
}, []}
end
@spec delete(User.t(), String.t()) :: {:ok, map(), keyword()}
def delete(actor, object_id) do
object = Object.normalize(object_id, false)
user = !object && User.get_cached_by_ap_id(object_id)
to =
case {object, user} do
{%Object{}, _} ->
# We are deleting an object, address everyone who was originally mentioned
(object.data["to"] || []) ++ (object.data["cc"] || [])
{_, %User{follower_address: follower_address}} ->
# We are deleting a user, address the followers of that user
[follower_address]
end
{:ok,
%{
"id" => Utils.generate_activity_id(),
"actor" => actor.ap_id,
"object" => object_id,
"to" => to,
"type" => "Delete"
}, []}
end
@spec tombstone(String.t(), String.t()) :: {:ok, map(), keyword()}
def tombstone(actor, id) do
{:ok,
%{
"id" => id,
"actor" => actor,
"type" => "Tombstone"
}, []}
end
@spec like(User.t(), Object.t()) :: {:ok, map(), keyword()}
def like(actor, object) do
with {:ok, data, meta} <- object_action(actor, object) do
data =
data
|> Map.put("type", "Like")
{:ok, data, meta}
end
end
+ @spec announce(User.t(), Object.t(), keyword()) :: {:ok, map(), keyword()}
def announce(actor, object, options \\ []) do
public? = Keyword.get(options, :public, false)
- to = [actor.follower_address, object.data["actor"]]
to =
- if public? do
- [Pleroma.Constants.as_public() | to]
- else
- to
+ cond do
+ actor.ap_id == Relay.relay_ap_id() ->
+ [actor.follower_address]
+
+ public? ->
+ [actor.follower_address, object.data["actor"], Pleroma.Constants.as_public()]
+
+ true ->
+ [actor.follower_address, object.data["actor"]]
end
{:ok,
%{
"id" => Utils.generate_activity_id(),
"actor" => actor.ap_id,
"object" => object.data["id"],
"to" => to,
"context" => object.data["context"],
"type" => "Announce",
"published" => Utils.make_date()
}, []}
end
@spec object_action(User.t(), Object.t()) :: {:ok, map(), keyword()}
defp object_action(actor, object) do
object_actor = User.get_cached_by_ap_id(object.data["actor"])
# Address the actor of the object, and our actor's follower collection if the post is public.
to =
if Visibility.is_public?(object) do
[actor.follower_address, object.data["actor"]]
else
[object.data["actor"]]
end
# CC everyone who's been addressed in the object, except ourself and the object actor's
# follower collection
cc =
(object.data["to"] ++ (object.data["cc"] || []))
|> List.delete(actor.ap_id)
|> List.delete(object_actor.follower_address)
{:ok,
%{
"id" => Utils.generate_activity_id(),
"actor" => actor.ap_id,
"object" => object.data["id"],
"to" => to,
"cc" => cc,
"context" => object.data["context"]
}, []}
end
end
diff --git a/lib/pleroma/web/activity_pub/side_effects.ex b/lib/pleroma/web/activity_pub/side_effects.ex
index 7eae0c52c..fb6275450 100644
--- a/lib/pleroma/web/activity_pub/side_effects.ex
+++ b/lib/pleroma/web/activity_pub/side_effects.ex
@@ -1,148 +1,151 @@
defmodule Pleroma.Web.ActivityPub.SideEffects do
@moduledoc """
This module looks at an inserted object and executes the side effects that it
implies. For example, a `Like` activity will increase the like count on the
liked object, a `Follow` activity will add the user to the follower
collection, and so on.
"""
alias Pleroma.Activity
alias Pleroma.Notification
alias Pleroma.Object
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Utils
def handle(object, meta \\ [])
# Tasks this handles:
# - Add like to object
# - Set up notification
def handle(%{data: %{"type" => "Like"}} = object, meta) do
liked_object = Object.get_by_ap_id(object.data["object"])
Utils.add_like_to_object(object, liked_object)
Notification.create_notifications(object)
{:ok, object, meta}
end
# Tasks this handles:
# - Add announce to object
# - Set up notification
# - Stream out the announce
def handle(%{data: %{"type" => "Announce"}} = object, meta) do
announced_object = Object.get_by_ap_id(object.data["object"])
+ user = User.get_cached_by_ap_id(object.data["actor"])
Utils.add_announce_to_object(object, announced_object)
- Notification.create_notifications(object)
- ActivityPub.stream_out(object)
+ if !User.is_internal_user?(user) do
+ Notification.create_notifications(object)
+ ActivityPub.stream_out(object)
+ end
{:ok, object, meta}
end
def handle(%{data: %{"type" => "Undo", "object" => undone_object}} = object, meta) do
with undone_object <- Activity.get_by_ap_id(undone_object),
:ok <- handle_undoing(undone_object) do
{:ok, object, meta}
end
end
# Tasks this handles:
# - Add reaction to object
# - Set up notification
def handle(%{data: %{"type" => "EmojiReact"}} = object, meta) do
reacted_object = Object.get_by_ap_id(object.data["object"])
Utils.add_emoji_reaction_to_object(object, reacted_object)
Notification.create_notifications(object)
{:ok, object, meta}
end
# Tasks this handles:
# - Delete and unpins the create activity
# - Replace object with Tombstone
# - Set up notification
# - Reduce the user note count
# - Reduce the reply count
# - Stream out the activity
def handle(%{data: %{"type" => "Delete", "object" => deleted_object}} = object, meta) do
deleted_object =
Object.normalize(deleted_object, false) || User.get_cached_by_ap_id(deleted_object)
result =
case deleted_object do
%Object{} ->
with {:ok, deleted_object, activity} <- Object.delete(deleted_object),
%User{} = user <- User.get_cached_by_ap_id(deleted_object.data["actor"]) do
User.remove_pinnned_activity(user, activity)
{:ok, user} = ActivityPub.decrease_note_count_if_public(user, deleted_object)
if in_reply_to = deleted_object.data["inReplyTo"] do
Object.decrease_replies_count(in_reply_to)
end
ActivityPub.stream_out(object)
ActivityPub.stream_out_participations(deleted_object, user)
:ok
end
%User{} ->
with {:ok, _} <- User.delete(deleted_object) do
:ok
end
end
if result == :ok do
Notification.create_notifications(object)
{:ok, object, meta}
else
{:error, result}
end
end
# Nothing to do
def handle(object, meta) do
{:ok, object, meta}
end
def handle_undoing(%{data: %{"type" => "Like"}} = object) do
with %Object{} = liked_object <- Object.get_by_ap_id(object.data["object"]),
{:ok, _} <- Utils.remove_like_from_object(object, liked_object),
{:ok, _} <- Repo.delete(object) do
:ok
end
end
def handle_undoing(%{data: %{"type" => "EmojiReact"}} = object) do
with %Object{} = reacted_object <- Object.get_by_ap_id(object.data["object"]),
{:ok, _} <- Utils.remove_emoji_reaction_from_object(object, reacted_object),
{:ok, _} <- Repo.delete(object) do
:ok
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(
%{data: %{"type" => "Block", "actor" => blocker, "object" => blocked}} = object
) do
with %User{} = blocker <- User.get_cached_by_ap_id(blocker),
%User{} = blocked <- User.get_cached_by_ap_id(blocked),
{:ok, _} <- User.unblock(blocker, blocked),
{:ok, _} <- Repo.delete(object) do
:ok
end
end
def handle_undoing(object), do: {:error, ["don't know how to handle", object]}
end
diff --git a/test/web/activity_pub/relay_test.exs b/test/web/activity_pub/relay_test.exs
index dbee8a0f4..b3b573c9b 100644
--- a/test/web/activity_pub/relay_test.exs
+++ b/test/web/activity_pub/relay_test.exs
@@ -1,127 +1,128 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.RelayTest do
use Pleroma.DataCase
alias Pleroma.Activity
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Relay
import ExUnit.CaptureLog
import Pleroma.Factory
import Mock
test "gets an actor for the relay" do
user = Relay.get_actor()
assert user.ap_id == "#{Pleroma.Web.Endpoint.url()}/relay"
end
test "relay actor is invisible" do
user = Relay.get_actor()
assert User.invisible?(user)
end
describe "follow/1" do
test "returns errors when user not found" do
assert capture_log(fn ->
{:error, _} = Relay.follow("test-ap-id")
end) =~ "Could not decode user at fetch"
end
test "returns activity" do
user = insert(:user)
service_actor = Relay.get_actor()
assert {:ok, %Activity{} = activity} = Relay.follow(user.ap_id)
assert activity.actor == "#{Pleroma.Web.Endpoint.url()}/relay"
assert user.ap_id in activity.recipients
assert activity.data["type"] == "Follow"
assert activity.data["actor"] == service_actor.ap_id
assert activity.data["object"] == user.ap_id
end
end
describe "unfollow/1" do
test "returns errors when user not found" do
assert capture_log(fn ->
{:error, _} = Relay.unfollow("test-ap-id")
end) =~ "Could not decode user at fetch"
end
test "returns activity" do
user = insert(:user)
service_actor = Relay.get_actor()
ActivityPub.follow(service_actor, user)
Pleroma.User.follow(service_actor, user)
assert "#{user.ap_id}/followers" in User.following(service_actor)
assert {:ok, %Activity{} = activity} = Relay.unfollow(user.ap_id)
assert activity.actor == "#{Pleroma.Web.Endpoint.url()}/relay"
assert user.ap_id in activity.recipients
assert activity.data["type"] == "Undo"
assert activity.data["actor"] == service_actor.ap_id
assert activity.data["to"] == [user.ap_id]
refute "#{user.ap_id}/followers" in User.following(service_actor)
end
end
describe "publish/1" do
setup do: clear_config([:instance, :federating])
test "returns error when activity not `Create` type" do
activity = insert(:like_activity)
assert Relay.publish(activity) == {:error, "Not implemented"}
end
test "returns error when activity not public" do
activity = insert(:direct_note_activity)
assert Relay.publish(activity) == {:error, false}
end
test "returns error when object is unknown" do
activity =
insert(:note_activity,
data: %{
"type" => "Create",
"object" => "http://mastodon.example.org/eee/99541947525187367"
}
)
Tesla.Mock.mock(fn
%{method: :get, url: "http://mastodon.example.org/eee/99541947525187367"} ->
%Tesla.Env{status: 500, body: ""}
end)
assert capture_log(fn ->
assert Relay.publish(activity) == {:error, false}
end) =~ "[error] error: false"
end
test_with_mock "returns announce activity and publish to federate",
Pleroma.Web.Federator,
[:passthrough],
[] do
clear_config([:instance, :federating], true)
service_actor = Relay.get_actor()
note = insert(:note_activity)
assert {:ok, %Activity{} = activity} = Relay.publish(note)
assert activity.data["type"] == "Announce"
assert activity.data["actor"] == service_actor.ap_id
+ assert activity.data["to"] == [service_actor.follower_address]
assert called(Pleroma.Web.Federator.publish(activity))
end
test_with_mock "returns announce activity and not publish to federate",
Pleroma.Web.Federator,
[:passthrough],
[] do
clear_config([:instance, :federating], false)
service_actor = Relay.get_actor()
note = insert(:note_activity)
assert {:ok, %Activity{} = activity} = Relay.publish(note)
assert activity.data["type"] == "Announce"
assert activity.data["actor"] == service_actor.ap_id
refute called(Pleroma.Web.Federator.publish(activity))
end
end
end

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