--- /dev/null
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Activity.Queries do
+ @moduledoc """
+ Contains queries for Activity.
+ """
+
+ import Ecto.Query, only: [from: 2]
+
+ @type query :: Ecto.Queryable.t() | Activity.t()
+
+ alias Pleroma.Activity
+
+ @spec by_actor(query, String.t()) :: query
+ def by_actor(query \\ Activity, actor) do
+ from(
+ activity in query,
+ where: fragment("(?)->>'actor' = ?", activity.data, ^actor)
+ )
+ end
+
+ @spec by_object_id(query, String.t()) :: query
+ def by_object_id(query \\ Activity, object_id) do
+ from(activity in query,
+ where:
+ fragment(
+ "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
+ activity.data,
+ activity.data,
+ ^object_id
+ )
+ )
+ end
+
+ @spec by_type(query, String.t()) :: query
+ def by_type(query \\ Activity, activity_type) do
+ from(
+ activity in query,
+ where: fragment("(?)->>'type' = ?", activity.data, ^activity_type)
+ )
+ end
+
+ @spec limit(query, pos_integer()) :: query
+ def limit(query \\ Activity, limit) do
+ from(activity in query, limit: ^limit)
+ end
+end
def update_and_set_cache(changeset) do
with {:ok, object} <- Repo.update(changeset) do
set_cache(object)
- else
- e -> e
end
end
# Splice in the child object if we have one.
activity =
- if !is_nil(object) do
+ if not is_nil(object) do
Map.put(activity, :object, object)
else
activity
end
end
- def unlike(
- %User{} = actor,
- %Object{} = object,
- activity_id \\ nil,
- local \\ true
- ) do
+ def unlike(%User{} = actor, %Object{} = object, activity_id \\ nil, local \\ true) do
with %Activity{} = like_activity <- get_existing_like(actor.ap_id, object),
unlike_data <- make_unlike_data(actor, like_activity, activity_id),
{:ok, unlike_activity} <- insert(unlike_data, local),
end
def update_outbox(
- %{assigns: %{user: user}} = conn,
+ %{assigns: %{user: %User{nickname: user_nickname} = user}} = conn,
%{"nickname" => nickname} = params
- ) do
- if nickname == user.nickname do
- actor = user.ap_id()
-
- params =
- params
- |> Map.drop(["id"])
- |> Map.put("actor", actor)
- |> Transmogrifier.fix_addressing()
+ )
+ when user_nickname == nickname do
+ actor = user.ap_id()
- with {:ok, %Activity{} = activity} <- handle_user_activity(user, params) do
- conn
- |> put_status(:created)
- |> put_resp_header("location", activity.data["id"])
- |> json(activity.data)
- else
- {:error, message} ->
- conn
- |> put_status(:bad_request)
- |> json(message)
- end
- else
- err =
- dgettext("errors", "can't update outbox of %{nickname} as %{as_nickname}",
- nickname: nickname,
- as_nickname: user.nickname
- )
+ params =
+ params
+ |> Map.drop(["id"])
+ |> Map.put("actor", actor)
+ |> Transmogrifier.fix_addressing()
+ with {:ok, %Activity{} = activity} <- handle_user_activity(user, params) do
conn
- |> put_status(:forbidden)
- |> json(err)
+ |> put_status(:created)
+ |> put_resp_header("location", activity.data["id"])
+ |> json(activity.data)
+ else
+ {:error, message} ->
+ conn
+ |> put_status(:bad_request)
+ |> json(message)
end
end
+ def update_outbox(%{assigns: %{user: user}} = conn, %{"nickname" => nickname} = _) do
+ err =
+ dgettext("errors", "can't update outbox of %{nickname} as %{as_nickname}",
+ nickname: nickname,
+ as_nickname: user.nickname
+ )
+
+ conn
+ |> put_status(:forbidden)
+ |> json(err)
+ end
+
def errors(conn, {:error, :not_found}) do
conn
|> put_status(:not_found)
@doc """
Enqueues an activity for federation if it's local
"""
+ @spec maybe_federate(any()) :: :ok
def maybe_federate(%Activity{local: true} = activity) do
if Pleroma.Config.get!([:instance, :federating]) do
priority =
@doc """
Returns an existing like if a user already liked an object
"""
+ @spec get_existing_like(String.t(), map()) :: Activity.t() | nil
def get_existing_like(actor, %{data: %{"id" => id}}) do
- query =
- from(
- activity in Activity,
- where: fragment("(?)->>'actor' = ?", activity.data, ^actor),
- # this is to use the index
- where:
- fragment(
- "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
- activity.data,
- activity.data,
- ^id
- ),
- where: fragment("(?)->>'type' = 'Like'", activity.data)
- )
-
- Repo.one(query)
+ actor
+ |> Activity.Queries.by_actor()
+ |> Activity.Queries.by_object_id(id)
+ |> Activity.Queries.by_type("Like")
+ |> Activity.Queries.limit(1)
+ |> Repo.one()
end
@doc """
Returns like activities targeting an object
"""
def get_object_likes(%{data: %{"id" => id}}) do
- query =
- from(
- activity in Activity,
- # this is to use the index
- where:
- fragment(
- "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
- activity.data,
- activity.data,
- ^id
- ),
- where: fragment("(?)->>'type' = 'Like'", activity.data)
- )
-
- Repo.all(query)
+ id
+ |> Activity.Queries.by_object_id()
+ |> Activity.Queries.by_type("Like")
+ |> Repo.all()
end
+ @spec make_like_data(User.t(), map(), String.t()) :: map()
def make_like_data(
%User{ap_id: ap_id} = actor,
%{data: %{"actor" => object_actor_id, "id" => id}} = object,
|> List.delete(actor.ap_id)
|> List.delete(object_actor.follower_address)
- data = %{
+ %{
"type" => "Like",
"actor" => ap_id,
"object" => id,
"cc" => cc,
"context" => object.data["context"]
}
-
- if activity_id, do: Map.put(data, "id", activity_id), else: data
+ |> maybe_put("id", activity_id)
end
+ @spec update_element_in_object(String.t(), list(any), Object.t()) ::
+ {:ok, Object.t()} | {:error, Ecto.Changeset.t()}
def update_element_in_object(property, element, object) do
- with new_data <-
- object.data
- |> Map.put("#{property}_count", length(element))
- |> Map.put("#{property}s", element),
- changeset <- Changeset.change(object, data: new_data),
- {:ok, object} <- Object.update_and_set_cache(changeset) do
- {:ok, object}
- end
- end
+ data =
+ Map.merge(
+ object.data,
+ %{"#{property}_count" => length(element), "#{property}s" => element}
+ )
- def update_likes_in_object(likes, object) do
- update_element_in_object("like", likes, object)
+ object
+ |> Changeset.change(data: data)
+ |> Object.update_and_set_cache()
end
+ @spec add_like_to_object(Activity.t(), Object.t()) ::
+ {:ok, Object.t()} | {:error, Ecto.Changeset.t()}
def add_like_to_object(%Activity{data: %{"actor" => actor}}, object) do
- likes = if is_list(object.data["likes"]), do: object.data["likes"], else: []
-
- with likes <- [actor | likes] |> Enum.uniq() do
- update_likes_in_object(likes, object)
- end
+ [actor | fetch_likes(object)]
+ |> Enum.uniq()
+ |> update_likes_in_object(object)
end
+ @spec remove_like_from_object(Activity.t(), Object.t()) ::
+ {:ok, Object.t()} | {:error, Ecto.Changeset.t()}
def remove_like_from_object(%Activity{data: %{"actor" => actor}}, object) do
- likes = if is_list(object.data["likes"]), do: object.data["likes"], else: []
+ object
+ |> fetch_likes()
+ |> List.delete(actor)
+ |> update_likes_in_object(object)
+ end
- with likes <- likes |> List.delete(actor) do
- update_likes_in_object(likes, object)
+ defp update_likes_in_object(likes, object) do
+ update_element_in_object("like", likes, object)
+ end
+
+ defp fetch_likes(object) do
+ if is_list(object.data["likes"]) do
+ object.data["likes"]
+ else
+ []
end
end
%User{ap_id: followed_id} = _followed,
activity_id
) do
- data = %{
+ %{
"type" => "Follow",
"actor" => follower_id,
"to" => [followed_id],
"object" => followed_id,
"state" => "pending"
}
-
- data = if activity_id, do: Map.put(data, "id", activity_id), else: data
-
- data
+ |> maybe_put("id", activity_id)
end
def fetch_latest_follow(%User{ap_id: follower_id}, %User{ap_id: followed_id}) do
activity_id,
false
) do
- data = %{
+ %{
"type" => "Announce",
"actor" => ap_id,
"object" => id,
"cc" => [],
"context" => object.data["context"]
}
-
- if activity_id, do: Map.put(data, "id", activity_id), else: data
+ |> maybe_put("id", activity_id)
end
def make_announce_data(
activity_id,
true
) do
- data = %{
+ %{
"type" => "Announce",
"actor" => ap_id,
"object" => id,
"cc" => [Pleroma.Constants.as_public()],
"context" => object.data["context"]
}
-
- if activity_id, do: Map.put(data, "id", activity_id), else: data
+ |> maybe_put("id", activity_id)
end
@doc """
%Activity{data: %{"context" => context}} = activity,
activity_id
) do
- data = %{
+ %{
"type" => "Undo",
"actor" => ap_id,
"object" => activity.data,
"cc" => [Pleroma.Constants.as_public()],
"context" => context
}
-
- if activity_id, do: Map.put(data, "id", activity_id), else: data
+ |> maybe_put("id", activity_id)
end
def make_unlike_data(
%Activity{data: %{"context" => context}} = activity,
activity_id
) do
- data = %{
+ %{
"type" => "Undo",
"actor" => ap_id,
"object" => activity.data,
"cc" => [Pleroma.Constants.as_public()],
"context" => context
}
-
- if activity_id, do: Map.put(data, "id", activity_id), else: data
+ |> maybe_put("id", activity_id)
end
def add_announce_to_object(
#### Unfollow-related helpers
def make_unfollow_data(follower, followed, follow_activity, activity_id) do
- data = %{
+ %{
"type" => "Undo",
"actor" => follower.ap_id,
"to" => [followed.ap_id],
"object" => follow_activity.data
}
-
- if activity_id, do: Map.put(data, "id", activity_id), else: data
+ |> maybe_put("id", activity_id)
end
#### Block-related helpers
end
def make_block_data(blocker, blocked, activity_id) do
- data = %{
+ %{
"type" => "Block",
"actor" => blocker.ap_id,
"to" => [blocked.ap_id],
"object" => blocked.ap_id
}
-
- if activity_id, do: Map.put(data, "id", activity_id), else: data
+ |> maybe_put("id", activity_id)
end
def make_unblock_data(blocker, blocked, block_activity, activity_id) do
- data = %{
+ %{
"type" => "Undo",
"actor" => blocker.ap_id,
"to" => [blocked.ap_id],
"object" => block_activity.data
}
-
- if activity_id, do: Map.put(data, "id", activity_id), else: data
+ |> maybe_put("id", activity_id)
end
#### Create-related helpers
Repo.all(query)
end
+
+ defp maybe_put(map, _key, nil), do: map
+ defp maybe_put(map, key, value), do: Map.put(map, key, value)
end
object = Object.normalize(note_activity)
user = insert(:user)
- data = %{
- "id" => Pleroma.Web.ActivityPub.Utils.generate_activity_id(),
- "actor" => user.ap_id,
- "type" => "Like",
- "object" => object.data["id"],
- "published_at" => DateTime.utc_now() |> DateTime.to_iso8601()
- }
+ data =
+ %{
+ "id" => Pleroma.Web.ActivityPub.Utils.generate_activity_id(),
+ "actor" => user.ap_id,
+ "type" => "Like",
+ "object" => object.data["id"],
+ "published_at" => DateTime.utc_now() |> DateTime.to_iso8601()
+ }
+ |> Map.merge(attrs[:data_attrs] || %{})
%Pleroma.Activity{
data: data
:ok
end
+ clear_config([:instance, :federating])
+
describe "streaming out participations" do
test "it streams them out" do
user = insert(:user)
end
describe "like an object" do
+ test_with_mock "sends an activity to federation", Pleroma.Web.Federator, [:passthrough], [] do
+ Pleroma.Config.put([:instance, :federating], true)
+ note_activity = insert(:note_activity)
+ assert object_activity = Object.normalize(note_activity)
+
+ user = insert(:user)
+
+ {:ok, like_activity, _object} = ActivityPub.like(user, object_activity)
+ assert called(Pleroma.Web.Federator.publish(like_activity, 5))
+ end
+
+ test "returns exist activity if object already liked" do
+ note_activity = insert(:note_activity)
+ assert object_activity = Object.normalize(note_activity)
+
+ user = insert(:user)
+
+ {:ok, like_activity, _object} = ActivityPub.like(user, object_activity)
+
+ {:ok, like_activity_exist, _object} = ActivityPub.like(user, object_activity)
+ assert like_activity == like_activity_exist
+ end
+
test "adds a like activity to the db" do
note_activity = insert(:note_activity)
assert object = Object.normalize(note_activity)
end
describe "unliking" do
+ test_with_mock "sends an activity to federation", Pleroma.Web.Federator, [:passthrough], [] do
+ Pleroma.Config.put([:instance, :federating], true)
+
+ note_activity = insert(:note_activity)
+ object = Object.normalize(note_activity)
+ user = insert(:user)
+
+ {:ok, object} = ActivityPub.unlike(user, object)
+ refute called(Pleroma.Web.Federator.publish())
+
+ {:ok, _like_activity, object} = ActivityPub.like(user, object)
+ assert object.data["like_count"] == 1
+
+ {:ok, unlike_activity, _, object} = ActivityPub.unlike(user, object)
+ assert object.data["like_count"] == 0
+
+ assert called(Pleroma.Web.Federator.publish(unlike_activity, 5))
+ end
+
test "unliking a previously liked object" do
note_activity = insert(:note_activity)
object = Object.normalize(note_activity)
import Pleroma.Factory
+ require Pleroma.Constants
+
describe "fetch the latest Follow" do
test "fetches the latest Follow activity" do
%Activity{data: %{"type" => "Follow"}} = activity = insert(:follow_activity)
end
end
+ describe "make_unlike_data/3" do
+ test "returns data for unlike activity" do
+ user = insert(:user)
+ like_activity = insert(:like_activity, data_attrs: %{"context" => "test context"})
+
+ assert Utils.make_unlike_data(user, like_activity, nil) == %{
+ "type" => "Undo",
+ "actor" => user.ap_id,
+ "object" => like_activity.data,
+ "to" => [user.follower_address, like_activity.data["actor"]],
+ "cc" => [Pleroma.Constants.as_public()],
+ "context" => like_activity.data["context"]
+ }
+
+ assert Utils.make_unlike_data(user, like_activity, "9mJEZK0tky1w2xD2vY") == %{
+ "type" => "Undo",
+ "actor" => user.ap_id,
+ "object" => like_activity.data,
+ "to" => [user.follower_address, like_activity.data["actor"]],
+ "cc" => [Pleroma.Constants.as_public()],
+ "context" => like_activity.data["context"],
+ "id" => "9mJEZK0tky1w2xD2vY"
+ }
+ end
+ end
+
describe "make_like_data" do
setup do
user = insert(:user)
assert Repo.get(Activity, follow_activity_two.id).data["state"] == "reject"
end
end
+
+ describe "update_element_in_object/3" do
+ test "updates likes" do
+ user = insert(:user)
+ activity = insert(:note_activity)
+ object = Object.normalize(activity)
+
+ assert {:ok, updated_object} =
+ Utils.update_element_in_object(
+ "like",
+ [user.ap_id],
+ object
+ )
+
+ assert updated_object.data["likes"] == [user.ap_id]
+ assert updated_object.data["like_count"] == 1
+ end
+ end
+
+ describe "add_like_to_object/2" do
+ test "add actor to likes" do
+ user = insert(:user)
+ user2 = insert(:user)
+ object = insert(:note)
+
+ assert {:ok, updated_object} =
+ Utils.add_like_to_object(
+ %Activity{data: %{"actor" => user.ap_id}},
+ object
+ )
+
+ assert updated_object.data["likes"] == [user.ap_id]
+ assert updated_object.data["like_count"] == 1
+
+ assert {:ok, updated_object2} =
+ Utils.add_like_to_object(
+ %Activity{data: %{"actor" => user2.ap_id}},
+ updated_object
+ )
+
+ assert updated_object2.data["likes"] == [user2.ap_id, user.ap_id]
+ assert updated_object2.data["like_count"] == 2
+ end
+ end
+
+ describe "remove_like_from_object/2" do
+ test "removes ap_id from likes" do
+ user = insert(:user)
+ user2 = insert(:user)
+ object = insert(:note, data: %{"likes" => [user.ap_id, user2.ap_id], "like_count" => 2})
+
+ assert {:ok, updated_object} =
+ Utils.remove_like_from_object(
+ %Activity{data: %{"actor" => user.ap_id}},
+ object
+ )
+
+ assert updated_object.data["likes"] == [user2.ap_id]
+ assert updated_object.data["like_count"] == 1
+ end
+ end
+
+ describe "get_existing_like/2" do
+ test "fetches existing like" do
+ note_activity = insert(:note_activity)
+ assert object = Object.normalize(note_activity)
+
+ user = insert(:user)
+ refute Utils.get_existing_like(user.ap_id, object)
+ {:ok, like_activity, _object} = ActivityPub.like(user, object)
+
+ assert ^like_activity = Utils.get_existing_like(user.ap_id, object)
+ end
+ end
end
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