defmodule Pleroma.Web.ActivityPub.ActivityPub do
- alias Pleroma.Repo
- alias Pleroma.{Activity, Object, Upload}
+ alias Pleroma.{Activity, Repo, Object, Upload, User, Web, Notification}
+ alias Ecto.{Changeset, UUID}
import Ecto.Query
+ import Pleroma.Web.ActivityPub.Utils
+ require Logger
+
+ def insert(map, local \\ true) when is_map(map) do
+ with nil <- Activity.get_by_ap_id(map["id"]),
+ map <- lazy_put_activity_defaults(map),
+ :ok <- insert_full_object(map) do
+ {:ok, activity} = Repo.insert(%Activity{data: map, local: local})
+ Notification.create_notifications(activity)
+ {:ok, activity}
+ else
+ %Activity{} = activity -> {:ok, activity}
+ error -> {:error, error}
+ end
+ end
- def insert(map) when is_map(map) do
- map = Map.put_new_lazy(map, "id", &generate_activity_id/0)
+ 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),
+ :ok <- maybe_federate(activity) do
+ {:ok, activity}
+ end
+ end
- map = if is_map(map["object"]) do
- object = Map.put_new_lazy(map["object"], "id", &generate_object_id/0)
- Repo.insert!(%Object{data: object})
- Map.put(map, "object", object)
+ # 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
+ with nil <- get_existing_like(ap_id, object),
+ like_data <- make_like_data(user, object, activity_id),
+ {:ok, activity} <- insert(like_data, local),
+ {:ok, object} <- add_like_to_object(activity, object),
+ :ok <- maybe_federate(activity) do
+ {:ok, activity, object}
else
- map
+ %Activity{} = activity -> {:ok, activity, object}
+ error -> {:error, error}
end
+ end
- Repo.insert(%Activity{data: map})
+ def unlike(%User{} = actor, %Object{} = object) do
+ with %Activity{} = activity <- get_existing_like(actor.ap_id, object),
+ {:ok, _activity} <- Repo.delete(activity),
+ {:ok, object} <- remove_like_from_object(activity, object) do
+ {:ok, object}
+ else _e -> {:ok, object}
+ end
+ end
+
+ def announce(%User{ap_id: ap_id} = user, %Object{data: %{"id" => 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),
+ :ok <- maybe_federate(activity) do
+ {:ok, activity, object}
+ else
+ error -> {:error, error}
+ end
end
- def generate_activity_id do
- generate_id("activities")
+ def follow(follower, followed, activity_id \\ nil, local \\ true) do
+ with data <- make_follow_data(follower, followed, activity_id),
+ {:ok, activity} <- insert(data, local),
+ :ok <- maybe_federate(activity) do
+ {:ok, activity}
+ end
end
- def generate_context_id do
- generate_id("contexts")
+ def unfollow(follower, followed, local \\ true) do
+ with %Activity{} = follow_activity <- fetch_latest_follow(follower, followed),
+ unfollow_data <- make_unfollow_data(follower, followed, follow_activity),
+ {:ok, activity} <- insert(unfollow_data, local),
+ :ok, maybe_federate(activity) do
+ {:ok, activity}
+ end
end
- def generate_object_id do
- generate_id("objects")
+ 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)),
+ Repo.delete_all(Activity.all_by_object_ap_id_q(id)),
+ {:ok, activity} <- insert(data, local),
+ :ok <- maybe_federate(activity) do
+ {:ok, activity}
+ end
end
- def generate_id(type) do
- "#{Pleroma.Web.base_url()}/#{type}/#{Ecto.UUID.generate}"
+ def fetch_activities_for_context(context) do
+ query = from activity in Activity,
+ where: fragment("?->>'type' = ? and ?->>'context' = ?", activity.data, "Create", activity.data, ^context),
+ order_by: [desc: :id]
+ Repo.all(query)
end
def fetch_public_activities(opts \\ %{}) do
fetch_activities(public, opts)
end
- def fetch_activities(recipients, opts \\ %{}) do
- since_id = opts["since_id"] || 0
+ defp restrict_since(query, %{"since_id" => since_id}) do
+ from activity in query, where: activity.id > ^since_id
+ end
+ defp restrict_since(query, _), do: query
- query = from activity in Activity,
- limit: 20,
- order_by: [desc: :inserted_at]
+ 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
- query = Enum.reduce(recipients, query, fn (recipient, q) ->
+ defp restrict_recipients(query, recipients) do
+ Enum.reduce(recipients, query, fn (recipient, q) ->
map = %{ to: [recipient] }
from activity in q,
or_where: fragment(~s(? @> ?), activity.data, ^map)
end)
+ end
- query = from activity in query,
- where: activity.id > ^since_id
+ defp restrict_local(query, %{"local_only" => true}) do
+ from activity in query, where: activity.local == true
+ end
+ defp restrict_local(query, _), do: query
- query = if opts["max_id"] do
- from activity in query, where: activity.id < ^opts["max_id"]
- else
- query
- end
+ defp restrict_max(query, %{"max_id" => max_id}) do
+ from activity in query, where: activity.id < ^max_id
+ end
+ defp restrict_max(query, _), do: query
- Repo.all(query)
- |> Enum.reverse
+ defp restrict_actor(query, %{"actor_id" => actor_id}) do
+ from activity in query,
+ where: fragment("?->>'actor' = ?", activity.data, ^actor_id)
end
+ defp restrict_actor(query, _), do: query
- def fetch_activities_for_context(context) do
- query = from activity in Activity,
- where: fragment("? @> ?", activity.data, ^%{ context: context })
- Repo.all(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
+
+ def fetch_activities(recipients, opts \\ %{}) do
+ base_query = from activity in Activity,
+ limit: 20,
+ order_by: [desc: :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)
+ |> Repo.all
+ |> Enum.reverse
end
- def upload(%Plug.Upload{} = file) do
+ def upload(file) do
data = Upload.store(file)
Repo.insert(%Object{data: data})
end
projects / akkoma / blobdiff