akkoma/lib/pleroma/web/embed_controller.ex
2023-07-17 19:18:21 +01:00

51 lines
1.6 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.EmbedController do
use Pleroma.Web, :controller
alias Pleroma.Activity
alias Pleroma.Object
alias Pleroma.User
alias Pleroma.Web.ActivityPub.Visibility
def show(conn, %{"id" => id}) do
with {:activity, %Activity{} = activity} <-
{:activity, Activity.get_by_id_with_object(id)},
{:local, true} <- {:local, activity.local},
{:visible, true} <- {:visible, Visibility.visible_for_user?(activity, nil)} do
{:ok, author} = User.get_or_fetch(activity.object.data["actor"])
conn
|> delete_resp_header("x-frame-options")
|> delete_resp_header("content-security-policy")
|> put_view(Pleroma.Web.EmbedView)
|> render("show.html",
activity: activity,
author: User.sanitize_html(author),
counts: get_counts(activity)
)
else
{:activity, _} ->
render_error(conn, :not_found, "Post not found")
{:local, false} ->
render_error(conn, :unauthorized, "Federated posts cannot be embedded")
{:visible, false} ->
render_error(conn, :unauthorized, "Not authorized to view this post")
end
end
defp get_counts(%Activity{} = activity) do
%Object{data: data} = Object.normalize(activity, fetch: false)
%{
likes: Map.get(data, "like_count", 0),
replies: Map.get(data, "repliesCount", 0),
announces: Map.get(data, "announcement_count", 0)
}
end
end