+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Object.Fetcher do
+ alias Pleroma.HTTP
alias Pleroma.Object
alias Pleroma.Object.Containment
alias Pleroma.Web.ActivityPub.Transmogrifier
require Logger
- @httpoison Application.get_env(:pleroma, :httpoison)
+ defp reinject_object(data) do
+ Logger.debug("Reinjecting object #{data["id"]}")
+
+ with data <- Transmogrifier.fix_object(data),
+ {:ok, object} <- Object.create(data) do
+ {:ok, object}
+ else
+ e ->
+ Logger.error("Error while processing object: #{inspect(e)}")
+ {:error, e}
+ end
+ end
# TODO:
# This will create a Create activity, which we need internally at the moment.
- def fetch_object_from_id(id) do
+ def fetch_object_from_id(id, options \\ []) do
if object = Object.get_cached_by_ap_id(id) do
{:ok, object}
else
Logger.info("Fetching #{id} via AP")
- with {:ok, data} <- fetch_and_contain_remote_object_from_id(id),
- nil <- Object.normalize(data, false),
+ with {:fetch, {:ok, data}} <- {:fetch, fetch_and_contain_remote_object_from_id(id)},
+ {:normalize, nil} <- {:normalize, Object.normalize(data, false)},
params <- %{
"type" => "Create",
"to" => data["to"],
"cc" => data["cc"],
+ # Should we seriously keep this attributedTo thing?
"actor" => data["actor"] || data["attributedTo"],
"object" => data
},
- :ok <- Containment.contain_origin(id, params),
- {:ok, activity} <- Transmogrifier.handle_incoming(params) do
- {:ok, Object.normalize(activity, false)}
+ {:containment, :ok} <- {:containment, Containment.contain_origin(id, params)},
+ {:ok, activity} <- Transmogrifier.handle_incoming(params, options),
+ {:object, _data, %Object{} = object} <-
+ {:object, data, Object.normalize(activity, false)} do
+ {:ok, object}
else
+ {:containment, _} ->
+ {:error, "Object containment failed."}
+
{:error, {:reject, nil}} ->
{:reject, nil}
- object = %Object{} ->
+ {:object, data, nil} ->
+ reinject_object(data)
+
+ {:normalize, object = %Object{}} ->
{:ok, object}
_e ->
+ # Only fallback when receiving a fetch/normalization error with ActivityPub
Logger.info("Couldn't get object via AP, trying out OStatus fetching...")
+ # FIXME: OStatus Object Containment?
case OStatus.fetch_activity_from_url(id) do
{:ok, [activity | _]} -> {:ok, Object.normalize(activity, false)}
e -> e
end
end
- def fetch_object_from_id!(id) do
- with {:ok, object} <- fetch_object_from_id(id) do
+ def fetch_object_from_id!(id, options \\ []) do
+ with {:ok, object} <- fetch_object_from_id(id, options) do
object
else
_e ->
with true <- String.starts_with?(id, "http"),
{:ok, %{body: body, status: code}} when code in 200..299 <-
- @httpoison.get(
+ HTTP.get(
id,
[{:Accept, "application/activity+json"}]
),
:ok <- Containment.contain_origin_from_id(id, data) do
{:ok, data}
else
+ {:ok, %{status: code}} when code in [404, 410] ->
+ {:error, "Object has been deleted"}
+
e ->
{:error, e}
end