embed_controller.ex
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embed_controller.ex
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	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2020 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

	plug(:put_layout, :embed)

	def show(conn, %{"id" => id}) do
	with %Activity{local: true} = activity <-
	Activity.get_by_id_with_object(id),
	true <- Visibility.is_public?(activity.object) do
	{:ok, author} = User.get_or_fetch(activity.object.data["actor"])

	conn
	\|> delete_resp_header("x-frame-options")
	\|> delete_resp_header("content-security-policy")
	\|> render("show.html",
	activity: activity,
	author: User.sanitize_html(author),
	counts: get_counts(activity)
	)
	end
	end

	defp get_counts(%Activity{} = activity) do
	%Object{data: data} = Object.normalize(activity)

	%{
	likes: Map.get(data, "like_count", 0),
	replies: Map.get(data, "repliesCount", 0),
	announces: Map.get(data, "announcement_count", 0)
	}
	end
	end