akkoma/lib/pleroma/web/rel_me.ex

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.RelMe do
@hackney_options [
pool: :media,
timeout: 2_000,
recv_timeout: 2_000,
max_body: 2_000_000
]
def parse(nil), do: {:error, "No URL provided"}
if Mix.env() == :test do
def parse(url), do: parse_url(url)
else
def parse(url) do
Cachex.fetch!(:rel_me_cache, url, fn _ ->
{:commit, parse_url(url)}
end)
rescue
e -> {:error, "Cachex error: #{inspect(e)}"}
end
end
defp parse_url(url) do
{:ok, %Tesla.Env{body: html}} = Pleroma.HTTP.get(url, [], adapter: @hackney_options)
Floki.attribute(html, "link[rel=me]", "href") ++ Floki.attribute(html, "a[rel=me]", "href")
rescue
e -> {:error, "Parsing error: #{inspect(e)}"}
end
def maybe_put_rel_me("http" <> _ = target_page, urls) when not is_nil(urls) do
if Enum.any?(parse(target_page), fn x -> x in urls end) do
"rel=\"me\" "
else
""
end
end
def maybe_put_rel_me(_, _) do
""
end
end