mirror of
https://framagit.org/framasoft/mobilizon.git
synced 2024-12-23 08:22:50 +00:00
75 lines
2.7 KiB
Elixir
75 lines
2.7 KiB
Elixir
|
defmodule Mobilizon.Federation.ActivityPub.Fetcher do
|
||
|
|
@moduledoc """
|
||
|
|
Module to handle direct URL ActivityPub fetches to remote content
|
||
|
|
|
||
|
|
If you need to first get cached data, see `Mobilizon.Federation.ActivityPub.fetch_object_from_url/2`
|
||
|
|
"""
|
||
|
|
require Logger
|
||
|
|
|
||
|
|
alias Mobilizon.Federation.HTTPSignatures.Signature
|
||
|
|
alias Mobilizon.Federation.ActivityPub.{Relay, Transmogrifier}
|
||
|
|
alias Mobilizon.Service.HTTP.ActivityPub, as: ActivityPubClient
|
||
|
|
|
||
|
|
import Mobilizon.Federation.ActivityPub.Utils,
|
||
|
|
only: [maybe_date_fetch: 2, sign_fetch: 4, origin_check?: 2]
|
||
|
|
|
||
|
|
@spec fetch(String.t(), Keyword.t()) :: {:ok, map()}
|
||
|
|
def fetch(url, options \\ []) do
|
||
|
|
on_behalf_of = Keyword.get(options, :on_behalf_of, Relay.get_actor())
|
||
|
|
|
||
|
|
with date <- Signature.generate_date_header(),
|
||
|
|
headers <-
|
||
|
|
[{:Accept, "application/activity+json"}]
|
||
|
|
|> maybe_date_fetch(date)
|
||
|
|
|> sign_fetch(on_behalf_of, url, date),
|
||
|
|
client <-
|
||
|
|
ActivityPubClient.client(headers: headers),
|
||
|
|
{:ok, %Tesla.Env{body: data, status: code}} when code in 200..299 <-
|
||
|
|
ActivityPubClient.get(client, url) do
|
||
|
|
{:ok, data}
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
@spec fetch_and_create(String.t(), Keyword.t()) :: {:ok, map(), struct()}
|
||
|
|
def fetch_and_create(url, options \\ []) do
|
||
|
|
with {:ok, data} when is_map(data) <- fetch(url, options),
|
||
|
|
:ok <- Logger.debug("inspect body from fetch_object_from_url #{url}"),
|
||
|
|
:ok <- Logger.debug(inspect(data)),
|
||
|
|
{:origin_check, true} <- {:origin_check, origin_check?(url, data)},
|
||
|
|
params <- %{
|
||
|
|
"type" => "Create",
|
||
|
|
"to" => data["to"],
|
||
|
|
"cc" => data["cc"],
|
||
|
|
"actor" => data["attributedTo"] || data["actor"],
|
||
|
|
"object" => data
|
||
|
|
} do
|
||
|
|
Transmogrifier.handle_incoming(params)
|
||
|
|
else
|
||
|
|
{:origin_check, false} ->
|
||
|
|
Logger.warn("Object origin check failed")
|
||
|
|
{:error, "Object origin check failed"}
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
@spec fetch_and_update(String.t(), Keyword.t()) :: {:ok, map(), struct()}
|
||
|
|
def fetch_and_update(url, options \\ []) do
|
||
|
|
with {:ok, data} when is_map(data) <- fetch(url, options),
|
||
|
|
:ok <- Logger.debug("inspect body from fetch_object_from_url #{url}"),
|
||
|
|
:ok <- Logger.debug(inspect(data)),
|
||
|
|
{:origin_check, true} <- {:origin_check, origin_check?(url, data)},
|
||
|
|
params <- %{
|
||
|
|
"type" => "Update",
|
||
|
|
"to" => data["to"],
|
||
|
|
"cc" => data["cc"],
|
||
|
|
"actor" => data["attributedTo"] || data["actor"],
|
||
|
|
"object" => data
|
||
|
|
} do
|
||
|
|
Transmogrifier.handle_incoming(params)
|
||
|
|
else
|
||
|
|
{:origin_check, false} ->
|
||
|
|
Logger.warn("Object origin check failed")
|
||
|
|
{:error, "Object origin check failed"}
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|