+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Web.ActivityPub.ActivityPubController do
use Pleroma.Web, :controller
- alias Pleroma.{User, Object}
+ alias Pleroma.{Activity, User, Object}
alias Pleroma.Web.ActivityPub.{ObjectView, UserView}
alias Pleroma.Web.ActivityPub.ActivityPub
+ alias Pleroma.Web.ActivityPub.Relay
+ alias Pleroma.Web.ActivityPub.Utils
+ alias Pleroma.Web.ActivityPub.Transmogrifier
alias Pleroma.Web.Federator
require Logger
action_fallback(:errors)
+ plug(Pleroma.Web.FederatingPlug when action in [:inbox, :relay])
+ plug(:relay_active? when action in [:relay])
+
+ def relay_active?(conn, _) do
+ if Keyword.get(Application.get_env(:pleroma, :instance), :allow_relay) do
+ conn
+ else
+ conn
+ |> put_status(404)
+ |> json(%{error: "not found"})
+ |> halt
+ end
+ end
+
def user(conn, %{"nickname" => nickname}) do
with %User{} = user <- User.get_cached_by_nickname(nickname),
{:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(UserView.render("user.json", %{user: user}))
+ else
+ nil -> {:error, :not_found}
end
end
def object(conn, %{"uuid" => uuid}) do
with ap_id <- o_status_url(conn, :object, uuid),
- %Object{} = object <- Object.get_cached_by_ap_id(ap_id) do
+ %Object{} = object <- Object.get_cached_by_ap_id(ap_id),
+ {_, true} <- {:public?, ActivityPub.is_public?(object)} do
conn
|> put_resp_header("content-type", "application/activity+json")
|> json(ObjectView.render("object.json", %{object: object}))
+ else
+ {:public?, false} ->
+ {:error, :not_found}
end
end
end
end
- def outbox(conn, %{"nickname" => nickname, "max_id" => max_id}) do
+ def outbox(conn, %{"nickname" => nickname} = params) do
with %User{} = user <- User.get_cached_by_nickname(nickname),
{:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
conn
|> put_resp_header("content-type", "application/activity+json")
- |> json(UserView.render("outbox.json", %{user: user, max_id: max_id}))
+ |> json(UserView.render("outbox.json", %{user: user, max_id: params["max_id"]}))
end
end
- def outbox(conn, %{"nickname" => nickname}) do
- outbox(conn, %{"nickname" => nickname, "max_id" => nil})
+ def inbox(%{assigns: %{valid_signature: true}} = conn, %{"nickname" => nickname} = params) do
+ with %User{} = user <- User.get_cached_by_nickname(nickname),
+ true <- Utils.recipient_in_message(user.ap_id, params),
+ params <- Utils.maybe_splice_recipient(user.ap_id, params) do
+ Federator.enqueue(:incoming_ap_doc, params)
+ json(conn, "ok")
+ end
end
- # TODO: Ensure that this inbox is a recipient of the message
def inbox(%{assigns: %{valid_signature: true}} = conn, params) do
Federator.enqueue(:incoming_ap_doc, params)
json(conn, "ok")
end
+ # only accept relayed Creates
+ def inbox(conn, %{"type" => "Create"} = params) do
+ Logger.info(
+ "Signature missing or not from author, relayed Create message, fetching object from source"
+ )
+
+ ActivityPub.fetch_object_from_id(params["object"]["id"])
+
+ json(conn, "ok")
+ end
+
def inbox(conn, params) do
headers = Enum.into(conn.req_headers, %{})
- if !String.contains?(headers["signature"] || "", params["actor"]) do
- Logger.info("Signature not from author, relayed message, fetching from source")
- ActivityPub.fetch_object_from_id(params["object"]["id"])
- else
- Logger.info("Signature error")
- Logger.info("Could not validate #{params["actor"]}")
+ if String.contains?(headers["signature"], params["actor"]) do
+ Logger.info(
+ "Signature validation error for: #{params["actor"]}, make sure you are forwarding the HTTP Host header!"
+ )
+
Logger.info(inspect(conn.req_headers))
end
- json(conn, "ok")
+ json(conn, "error")
+ end
+
+ def relay(conn, _params) do
+ with %User{} = user <- Relay.get_actor(),
+ {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+ conn
+ |> put_resp_header("content-type", "application/activity+json")
+ |> json(UserView.render("user.json", %{user: user}))
+ else
+ nil -> {:error, :not_found}
+ end
+ end
+
+ def read_inbox(%{assigns: %{user: user}} = conn, %{"nickname" => nickname} = params) do
+ if nickname == user.nickname do
+ conn
+ |> put_resp_header("content-type", "application/activity+json")
+ |> json(UserView.render("inbox.json", %{user: user, max_id: params["max_id"]}))
+ else
+ conn
+ |> put_status(:forbidden)
+ |> json("can't read inbox of #{nickname} as #{user.nickname}")
+ end
+ end
+
+ def update_outbox(
+ %{assigns: %{user: user}} = conn,
+ %{"nickname" => nickname, "type" => "Create"} = params
+ ) do
+ if nickname == user.nickname do
+ actor = user.ap_id()
+
+ params =
+ params
+ |> Map.drop(["id"])
+ |> Map.put("actor", actor)
+ |> Transmogrifier.fix_addressing()
+
+ object =
+ params["object"]
+ |> Map.merge(Map.take(params, ["to", "cc"]))
+ |> Map.put("attributedTo", actor)
+ |> Transmogrifier.fix_object()
+
+ with {:ok, %Activity{} = activity} <-
+ ActivityPub.create(%{
+ to: params["to"],
+ actor: user,
+ context: object["context"],
+ object: object,
+ additional: Map.take(params, ["cc"])
+ }) do
+ conn
+ |> put_status(:created)
+ |> put_resp_header("location", activity.data["id"])
+ |> json(activity.data)
+ end
+ else
+ conn
+ |> put_status(:forbidden)
+ |> json("can't update outbox of #{nickname} as #{user.nickname}")
+ end
+ end
+
+ def errors(conn, {:error, :not_found}) do
+ conn
+ |> put_status(404)
+ |> json("Not found")
end
def errors(conn, _e) do
projects / akkoma / blobdiff