web_finger_controller.ex
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web_finger_controller.ex
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	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Web.WebFinger.WebFingerController do
	use Pleroma.Web, :controller

	alias Pleroma.Web.WebFinger

	plug(Pleroma.Web.Plugs.SetFormatPlug)
	plug(Pleroma.Web.Plugs.FederatingPlug)

	def host_meta(conn, _params) do
	xml = WebFinger.host_meta()

	conn
	\|> put_resp_content_type("application/xrd+xml")
	\|> send_resp(200, xml)
	end

	def webfinger(%{assigns: %{format: format}} = conn, %{"resource" => resource})
	when format in ["xml", "xrd+xml"] do
	with {:ok, response} <- WebFinger.webfinger(resource, "XML") do
	conn
	\|> put_resp_content_type("application/xrd+xml")
	\|> send_resp(200, response)
	else
	_e -> send_resp(conn, 404, "Couldn't find user")
	end
	end

	def webfinger(%{assigns: %{format: format}} = conn, %{"resource" => resource})
	when format in ["jrd", "json", "jrd+json"] do
	with {:ok, response} <- WebFinger.webfinger(resource, "JSON") do
	json(conn, response)
	else
	_e ->
	conn
	\|> put_status(404)
	\|> json("Couldn't find user")
	end
	end

	def webfinger(conn, _params), do: send_resp(conn, 400, "Bad Request")
	end