1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.RelMe do
11 if Pleroma.Config.get(:env) == :test do
12 def parse(url) when is_binary(url), do: parse_url(url)
14 def parse(url) when is_binary(url) do
15 Cachex.fetch!(:rel_me_cache, url, fn _ ->
16 {:commit, parse_url(url)}
19 e -> {:error, "Cachex error: #{inspect(e)}"}
23 def parse(_), do: {:error, "No URL provided"}
25 defp parse_url(url) do
27 if Application.get_env(:tesla, :adapter) == Tesla.Adapter.Hackney do
28 Keyword.merge(@options,
36 with {:ok, %Tesla.Env{body: html, status: status}} when status in 200..299 <-
37 Pleroma.HTTP.get(url, [], adapter: opts),
38 {:ok, html_tree} <- Floki.parse_document(html),
40 Floki.attribute(html_tree, "link[rel~=me]", "href") ++
41 Floki.attribute(html_tree, "a[rel~=me]", "href") do
45 e -> {:error, "Parsing error: #{inspect(e)}"}
48 def maybe_put_rel_me("http" <> _ = target_page, profile_urls) when is_list(profile_urls) do
49 {:ok, rel_me_hrefs} = parse(target_page)
51 true = Enum.any?(rel_me_hrefs, fn x -> x in profile_urls end)
58 def maybe_put_rel_me(_, _) do