# Pleroma: A lightweight social networking server # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.RelMe do @options [ pool: :media, max_body: 2_000_000, recv_timeout: 2_000 ] if Pleroma.Config.get(:env) == :test do def parse(url) when is_binary(url), do: parse_url(url) else def parse(url) when is_binary(url) do Cachex.fetch!(:rel_me_cache, url, fn _ -> {:commit, parse_url(url)} end) rescue e -> {:error, "Cachex error: #{inspect(e)}"} end end def parse(_), do: {:error, "No URL provided"} defp parse_url(url) do with {:ok, %Tesla.Env{body: html, status: status}} when status in 200..299 <- Pleroma.HTTP.get(url, [], @options), {:ok, html_tree} <- Floki.parse_document(html), data <- Floki.attribute(html_tree, "link[rel~=me]", "href") ++ Floki.attribute(html_tree, "a[rel~=me]", "href") do {:ok, data} end rescue e -> {:error, "Parsing error: #{inspect(e)}"} end def maybe_put_rel_me("http" <> _ = target_page, profile_urls) when is_list(profile_urls) do {:ok, rel_me_hrefs} = parse(target_page) true = Enum.any?(rel_me_hrefs, fn x -> x in profile_urls end) "me" rescue _ -> nil end def maybe_put_rel_me(_, _) do nil end end