defmodule Pleroma.Web.ActivityPub.ActivityPub do
- alias Pleroma.{Activity, Repo, Object, Upload, User, Web}
- alias Ecto.{Changeset, UUID}
+ alias Pleroma.{Activity, Repo, Object, Upload, User, Notification}
import Ecto.Query
import Pleroma.Web.ActivityPub.Utils
require Logger
with nil <- Activity.get_by_ap_id(map["id"]),
map <- lazy_put_activity_defaults(map),
:ok <- insert_full_object(map) do
- Repo.insert(%Activity{data: map, local: local})
+ {:ok, activity} = Repo.insert(%Activity{data: map, local: local, actor: map["actor"]})
+ Notification.create_notifications(activity)
+ stream_out(activity)
+ {:ok, activity}
else
%Activity{} = activity -> {:ok, activity}
error -> {:error, error}
end
end
+ def stream_out(activity) do
+ if activity.data["type"] in ["Create", "Announce"] do
+ Pleroma.Web.Streamer.stream("user", activity)
+ if Enum.member?(activity.data["to"], "https://www.w3.org/ns/activitystreams#Public") do
+ Pleroma.Web.Streamer.stream("public", activity)
+ if activity.local do
+ Pleroma.Web.Streamer.stream("public:local", activity)
+ end
+ end
+ end
+ end
+
def create(to, actor, context, object, additional \\ %{}, published \\ nil, local \\ true) do
with create_data <- make_create_data(%{to: to, actor: actor, published: published, context: context, object: object}, additional),
{:ok, activity} <- insert(create_data, local),
end
# TODO: This is weird, maybe we shouldn't check here if we can make the activity.
- def like(%User{ap_id: ap_id} = user, %Object{data: %{"id" => id}} = object, activity_id \\ nil, local \\ true) do
+ def like(%User{ap_id: ap_id} = user, %Object{data: %{"id" => _}} = object, activity_id \\ nil, local \\ true) do
with nil <- get_existing_like(ap_id, object),
like_data <- make_like_data(user, object, activity_id),
{:ok, activity} <- insert(like_data, local),
end
end
- def announce(%User{ap_id: ap_id} = user, %Object{data: %{"id" => id}} = object, activity_id \\ nil, local \\ true) do
+ def announce(%User{ap_id: _} = user, %Object{data: %{"id" => _}} = object, activity_id \\ nil, local \\ true) do
with announce_data <- make_announce_data(user, object, activity_id),
{:ok, activity} <- insert(announce_data, local),
{:ok, object} <- add_announce_to_object(activity, object),
end
end
- def fetch_activities_for_context(context) do
+ def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
+ user = User.get_cached_by_ap_id(actor)
+ data = %{
+ "type" => "Delete",
+ "actor" => actor,
+ "object" => id,
+ "to" => [user.follower_address, "https://www.w3.org/ns/activitystreams#Public"]
+ }
+ with Repo.delete(object),
+ Repo.delete_all(Activity.all_non_create_by_object_ap_id_q(id)),
+ {:ok, activity} <- insert(data, local),
+ :ok <- maybe_federate(activity) do
+ {:ok, activity}
+ end
+ end
+
+ def fetch_activities_for_context(context, opts \\ %{}) do
query = from activity in Activity,
- where: fragment("? @> ?", activity.data, ^%{ context: context }),
- order_by: [desc: :inserted_at]
+ where: fragment("?->>'type' = ? and ?->>'context' = ?", activity.data, "Create", activity.data, ^context),
+ order_by: [desc: :id]
+ query = restrict_blocked(query, opts)
Repo.all(query)
end
end
defp restrict_since(query, _), do: query
+ defp restrict_tag(query, %{"tag" => tag}) do
+ from activity in query,
+ where: fragment("? <@ (? #> '{\"object\",\"tag\"}')", ^tag, activity.data)
+ end
+ defp restrict_tag(query, _), do: query
+
defp restrict_recipients(query, recipients) do
Enum.reduce(recipients, query, fn (recipient, q) ->
map = %{ to: [recipient] }
defp restrict_actor(query, %{"actor_id" => actor_id}) do
from activity in query,
- where: fragment("? @> ?", activity.data, ^%{actor: actor_id})
+ where: activity.actor == ^actor_id
end
defp restrict_actor(query, _), do: query
+ defp restrict_type(query, %{"type" => type}) when is_binary(type) do
+ restrict_type(query, %{"type" => [type]})
+ end
+ defp restrict_type(query, %{"type" => type}) do
+ from activity in query,
+ where: fragment("?->>'type' = ANY(?)", activity.data, ^type)
+ end
+ defp restrict_type(query, _), do: query
+
+ defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
+ from activity in query,
+ where: fragment("? <@ (? #> '{\"object\",\"likes\"}')", ^ap_id, activity.data)
+ end
+ defp restrict_favorited_by(query, _), do: query
+
+ defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do
+ from activity in query,
+ where: fragment("not (? #> '{\"object\",\"attachment\"}' = ?)", activity.data, ^[])
+ end
+ defp restrict_media(query, _), do: query
+
+ # Only search through last 100_000 activities by default
+ defp restrict_recent(query, %{"whole_db" => true}), do: query
+ defp restrict_recent(query, _) do
+ since = (Repo.aggregate(Activity, :max, :id) || 0) - 100_000
+
+ from activity in query,
+ where: activity.id > ^since
+ end
+
+ defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
+ blocks = info["blocks"] || []
+ from activity in query,
+ where: fragment("not (? = ANY(?))", activity.actor, ^blocks)
+ end
+ defp restrict_blocked(query, _), do: query
+
def fetch_activities(recipients, opts \\ %{}) do
base_query = from activity in Activity,
limit: 20,
- order_by: [desc: :inserted_at]
+ order_by: [fragment("? desc nulls last", activity.id)]
base_query
|> restrict_recipients(recipients)
+ |> restrict_tag(opts)
|> restrict_since(opts)
|> restrict_local(opts)
|> restrict_max(opts)
|> restrict_actor(opts)
+ |> restrict_type(opts)
+ |> restrict_favorited_by(opts)
+ |> restrict_recent(opts)
+ |> restrict_blocked(opts)
+ |> restrict_media(opts)
|> Repo.all
|> Enum.reverse
end