mirror of
https://akkoma.dev/AkkomaGang/akkoma.git
synced 2024-11-27 16:24:23 +00:00
318 lines
9.7 KiB
Elixir
318 lines
9.7 KiB
Elixir
# 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.Activity
|
|
alias Pleroma.Object
|
|
alias Pleroma.Object.Fetcher
|
|
alias Pleroma.User
|
|
alias Pleroma.Web.ActivityPub.ActivityPub
|
|
alias Pleroma.Web.ActivityPub.ObjectView
|
|
alias Pleroma.Web.ActivityPub.Relay
|
|
alias Pleroma.Web.ActivityPub.Transmogrifier
|
|
alias Pleroma.Web.ActivityPub.UserView
|
|
alias Pleroma.Web.ActivityPub.Utils
|
|
alias Pleroma.Web.ActivityPub.Visibility
|
|
alias Pleroma.Web.Federator
|
|
|
|
require Logger
|
|
|
|
action_fallback(:errors)
|
|
|
|
plug(Pleroma.Web.FederatingPlug when action in [:inbox, :relay])
|
|
plug(:set_requester_reachable when action in [:inbox])
|
|
plug(:relay_active? when action in [:relay])
|
|
|
|
def relay_active?(conn, _) do
|
|
if Pleroma.Config.get([: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} <- User.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),
|
|
{_, true} <- {:public?, Visibility.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
|
|
|
|
def object_likes(conn, %{"uuid" => uuid, "page" => page}) do
|
|
with ap_id <- o_status_url(conn, :object, uuid),
|
|
%Object{} = object <- Object.get_cached_by_ap_id(ap_id),
|
|
{_, true} <- {:public?, Visibility.is_public?(object)},
|
|
likes <- Utils.get_object_likes(object) do
|
|
{page, _} = Integer.parse(page)
|
|
|
|
conn
|
|
|> put_resp_header("content-type", "application/activity+json")
|
|
|> json(ObjectView.render("likes.json", ap_id, likes, page))
|
|
else
|
|
{:public?, false} ->
|
|
{:error, :not_found}
|
|
end
|
|
end
|
|
|
|
def object_likes(conn, %{"uuid" => uuid}) do
|
|
with ap_id <- o_status_url(conn, :object, uuid),
|
|
%Object{} = object <- Object.get_cached_by_ap_id(ap_id),
|
|
{_, true} <- {:public?, Visibility.is_public?(object)},
|
|
likes <- Utils.get_object_likes(object) do
|
|
conn
|
|
|> put_resp_header("content-type", "application/activity+json")
|
|
|> json(ObjectView.render("likes.json", ap_id, likes))
|
|
else
|
|
{:public?, false} ->
|
|
{:error, :not_found}
|
|
end
|
|
end
|
|
|
|
def activity(conn, %{"uuid" => uuid}) do
|
|
with ap_id <- o_status_url(conn, :activity, uuid),
|
|
%Activity{} = activity <- Activity.normalize(ap_id),
|
|
{_, true} <- {:public?, Visibility.is_public?(activity)} do
|
|
conn
|
|
|> put_resp_header("content-type", "application/activity+json")
|
|
|> json(ObjectView.render("object.json", %{object: activity}))
|
|
else
|
|
{:public?, false} ->
|
|
{:error, :not_found}
|
|
end
|
|
end
|
|
|
|
def following(conn, %{"nickname" => nickname, "page" => page}) do
|
|
with %User{} = user <- User.get_cached_by_nickname(nickname),
|
|
{:ok, user} <- User.ensure_keys_present(user) do
|
|
{page, _} = Integer.parse(page)
|
|
|
|
conn
|
|
|> put_resp_header("content-type", "application/activity+json")
|
|
|> json(UserView.render("following.json", %{user: user, page: page}))
|
|
end
|
|
end
|
|
|
|
def following(conn, %{"nickname" => nickname}) do
|
|
with %User{} = user <- User.get_cached_by_nickname(nickname),
|
|
{:ok, user} <- User.ensure_keys_present(user) do
|
|
conn
|
|
|> put_resp_header("content-type", "application/activity+json")
|
|
|> json(UserView.render("following.json", %{user: user}))
|
|
end
|
|
end
|
|
|
|
def followers(conn, %{"nickname" => nickname, "page" => page}) do
|
|
with %User{} = user <- User.get_cached_by_nickname(nickname),
|
|
{:ok, user} <- User.ensure_keys_present(user) do
|
|
{page, _} = Integer.parse(page)
|
|
|
|
conn
|
|
|> put_resp_header("content-type", "application/activity+json")
|
|
|> json(UserView.render("followers.json", %{user: user, page: page}))
|
|
end
|
|
end
|
|
|
|
def followers(conn, %{"nickname" => nickname}) do
|
|
with %User{} = user <- User.get_cached_by_nickname(nickname),
|
|
{:ok, user} <- User.ensure_keys_present(user) do
|
|
conn
|
|
|> put_resp_header("content-type", "application/activity+json")
|
|
|> json(UserView.render("followers.json", %{user: user}))
|
|
end
|
|
end
|
|
|
|
def outbox(conn, %{"nickname" => nickname} = params) do
|
|
with %User{} = user <- User.get_cached_by_nickname(nickname),
|
|
{:ok, user} <- User.ensure_keys_present(user) do
|
|
conn
|
|
|> put_resp_header("content-type", "application/activity+json")
|
|
|> json(UserView.render("outbox.json", %{user: user, max_id: params["max_id"]}))
|
|
end
|
|
end
|
|
|
|
def inbox(%{assigns: %{valid_signature: true}} = conn, %{"nickname" => nickname} = params) do
|
|
with %User{} = recipient <- User.get_cached_by_nickname(nickname),
|
|
{:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(params["actor"]),
|
|
true <- Utils.recipient_in_message(recipient, actor, params),
|
|
params <- Utils.maybe_splice_recipient(recipient.ap_id, params) do
|
|
Federator.incoming_ap_doc(params)
|
|
json(conn, "ok")
|
|
end
|
|
end
|
|
|
|
def inbox(%{assigns: %{valid_signature: true}} = conn, params) do
|
|
Federator.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"
|
|
)
|
|
|
|
Fetcher.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 validation error for: #{params["actor"]}, make sure you are forwarding the HTTP Host header!"
|
|
)
|
|
|
|
Logger.info(inspect(conn.req_headers))
|
|
end
|
|
|
|
json(conn, "error")
|
|
end
|
|
|
|
def relay(conn, _params) do
|
|
with %User{} = user <- Relay.get_actor(),
|
|
{:ok, user} <- User.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 whoami(%{assigns: %{user: %User{} = user}} = conn, _params) do
|
|
conn
|
|
|> put_resp_header("content-type", "application/activity+json")
|
|
|> json(UserView.render("user.json", %{user: user}))
|
|
end
|
|
|
|
def whoami(_conn, _params), do: {:error, :not_found}
|
|
|
|
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 handle_user_activity(user, %{"type" => "Create"} = params) do
|
|
object =
|
|
params["object"]
|
|
|> Map.merge(Map.take(params, ["to", "cc"]))
|
|
|> Map.put("attributedTo", user.ap_id())
|
|
|> Transmogrifier.fix_object()
|
|
|
|
ActivityPub.create(%{
|
|
to: params["to"],
|
|
actor: user,
|
|
context: object["context"],
|
|
object: object,
|
|
additional: Map.take(params, ["cc"])
|
|
})
|
|
end
|
|
|
|
def handle_user_activity(user, %{"type" => "Delete"} = params) do
|
|
with %Object{} = object <- Object.normalize(params["object"]),
|
|
true <- user.info.is_moderator || user.ap_id == object.data["actor"],
|
|
{:ok, delete} <- ActivityPub.delete(object) do
|
|
{:ok, delete}
|
|
else
|
|
_ -> {:error, "Can't delete object"}
|
|
end
|
|
end
|
|
|
|
def handle_user_activity(user, %{"type" => "Like"} = params) do
|
|
with %Object{} = object <- Object.normalize(params["object"]),
|
|
{:ok, activity, _object} <- ActivityPub.like(user, object) do
|
|
{:ok, activity}
|
|
else
|
|
_ -> {:error, "Can't like object"}
|
|
end
|
|
end
|
|
|
|
def handle_user_activity(_, _) do
|
|
{:error, "Unhandled activity type"}
|
|
end
|
|
|
|
def update_outbox(
|
|
%{assigns: %{user: user}} = conn,
|
|
%{"nickname" => nickname} = params
|
|
) do
|
|
if nickname == user.nickname do
|
|
actor = user.ap_id()
|
|
|
|
params =
|
|
params
|
|
|> Map.drop(["id"])
|
|
|> Map.put("actor", actor)
|
|
|> Transmogrifier.fix_addressing()
|
|
|
|
with {:ok, %Activity{} = activity} <- handle_user_activity(user, params) do
|
|
conn
|
|
|> put_status(:created)
|
|
|> put_resp_header("location", activity.data["id"])
|
|
|> json(activity.data)
|
|
else
|
|
{:error, message} ->
|
|
conn
|
|
|> put_status(:bad_request)
|
|
|> json(message)
|
|
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
|
|
conn
|
|
|> put_status(500)
|
|
|> json("error")
|
|
end
|
|
|
|
defp set_requester_reachable(%Plug.Conn{} = conn, _) do
|
|
with actor <- conn.params["actor"],
|
|
true <- is_binary(actor) do
|
|
Pleroma.Instances.set_reachable(actor)
|
|
end
|
|
|
|
conn
|
|
end
|
|
end
|