defmodule Pleroma.Web.ActivityPub.ActivityPub do
- alias Pleroma.{Activity, Repo, Object, Upload, User, Web, Notification}
- alias Ecto.{Changeset, UUID}
+ alias Pleroma.{Activity, Repo, Object, Upload, User, Notification}
import Ecto.Query
import Pleroma.Web.ActivityPub.Utils
require Logger
+ @httpoison Application.get_env(:pleroma, :httpoison)
+
+ def get_recipients(data) do
+ (data["to"] || []) ++ (data["cc"] || [])
+ end
+
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})
+ {:ok, activity} = Repo.insert(%Activity{data: map, local: local, actor: map["actor"], recipients: get_recipients(map)})
Notification.create_notifications(activity)
+ stream_out(activity)
{:ok, activity}
else
%Activity{} = activity -> {:ok, activity}
end
end
- def create(to, actor, context, object, additional \\ %{}, published \\ nil, local \\ true) do
+ 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: to, actor: actor, context: context, object: object} = params) do
+ additional = params[:additional] || %{}
+ local = !(params[:local] == false) # only accept false as false value
+ published = params[:published]
+
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
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 fetch_activities_for_context(context, opts \\ %{}) do
query = from activity in Activity,
where: fragment("?->>'type' = ? and ?->>'context' = ?", activity.data, "Create", activity.data, ^context),
order_by: [desc: :id]
+ query = restrict_blocked(query, opts)
Repo.all(query)
end
defp restrict_actor(query, %{"actor_id" => actor_id}) do
from activity in query,
- where: fragment("?->>'actor' = ?", activity.data, ^actor_id)
+ where: activity.actor == ^actor_id
end
defp restrict_actor(query, _), do: query
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) - 100_000
+ 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: :id]
+ order_by: [fragment("? desc nulls last", activity.id)]
base_query
|> restrict_recipients(recipients)
|> restrict_type(opts)
|> restrict_favorited_by(opts)
|> restrict_recent(opts)
+ |> restrict_blocked(opts)
+ |> restrict_media(opts)
|> Repo.all
|> Enum.reverse
end
data = Upload.store(file)
Repo.insert(%Object{data: data})
end
+
+ def make_user_from_ap_id(ap_id) do
+ with {:ok, %{status_code: 200, body: body}} <- @httpoison.get(ap_id, ["Accept": "application/activity+json"]),
+ {:ok, data} <- Poison.decode(body)
+ do
+ user_data = %{
+ ap_id: data["id"],
+ info: %{
+ "ap_enabled" => true,
+ "source_data" => data
+ },
+ nickname: "#{data["preferredUsername"]}@#{URI.parse(ap_id).host}",
+ name: data["name"]
+ }
+
+ User.insert_or_update_user(user_data)
+ end
+ end
+
+ # TODO: Extract to own module, align as close to Mastodon format as possible.
+ def sanitize_outgoing_activity_data(data) do
+ data
+ |> Map.put("@context", "https://www.w3.org/ns/activitystreams")
+ end
+
+ def publish(actor, activity) do
+ remote_users = Pleroma.Web.Salmon.remote_users(activity)
+ data = sanitize_outgoing_activity_data(activity.data)
+ Enum.each remote_users, fn(user) ->
+ if user.info["ap_enabled"] do
+ inbox = user.info["source_data"]["inbox"]
+ Logger.info("Federating #{activity.data["id"]} to #{inbox}")
+ host = URI.parse(inbox).host
+ signature = Pleroma.Web.HTTPSignatures.sign(actor, %{host: host})
+ @httpoison.post(inbox, Poison.encode!(data), [{"Content-Type", "application/activity+json"}, {"signature", signature}])
+ end
+ end
+ end
end