92 lines
2.5 KiB
Elixir
92 lines
2.5 KiB
Elixir
defmodule Pleroma.Object.Fetcher do
|
|
alias Pleroma.HTTP
|
|
alias Pleroma.Object
|
|
alias Pleroma.Object.Containment
|
|
alias Pleroma.Web.ActivityPub.Transmogrifier
|
|
alias Pleroma.Web.OStatus
|
|
|
|
require Logger
|
|
|
|
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
|
|
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),
|
|
params <- %{
|
|
"type" => "Create",
|
|
"to" => data["to"],
|
|
"cc" => data["cc"],
|
|
"actor" => data["actor"] || data["attributedTo"],
|
|
"object" => data
|
|
},
|
|
:ok <- Containment.contain_origin(id, params),
|
|
{:ok, activity} <- Transmogrifier.handle_incoming(params),
|
|
{:object, _data, %Object{} = object} <-
|
|
{:object, data, Object.normalize(activity, false)} do
|
|
{:ok, object}
|
|
else
|
|
{:error, {:reject, nil}} ->
|
|
{:reject, nil}
|
|
|
|
{:object, data, nil} ->
|
|
reinject_object(data)
|
|
|
|
object = %Object{} ->
|
|
{:ok, object}
|
|
|
|
_e ->
|
|
Logger.info("Couldn't get object via AP, trying out OStatus fetching...")
|
|
|
|
case OStatus.fetch_activity_from_url(id) do
|
|
{:ok, [activity | _]} -> {:ok, Object.normalize(activity, false)}
|
|
e -> e
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def fetch_object_from_id!(id) do
|
|
with {:ok, object} <- fetch_object_from_id(id) do
|
|
object
|
|
else
|
|
_e ->
|
|
nil
|
|
end
|
|
end
|
|
|
|
def fetch_and_contain_remote_object_from_id(id) do
|
|
Logger.info("Fetching object #{id} via AP")
|
|
|
|
with true <- String.starts_with?(id, "http"),
|
|
{:ok, %{body: body, status: code}} when code in 200..299 <-
|
|
HTTP.get(
|
|
id,
|
|
[{:Accept, "application/activity+json"}]
|
|
),
|
|
{:ok, data} <- Jason.decode(body),
|
|
:ok <- Containment.contain_origin_from_id(id, data) do
|
|
{:ok, data}
|
|
else
|
|
e ->
|
|
{:error, e}
|
|
end
|
|
end
|
|
end
|