47 lines
1.1 KiB
Elixir
47 lines
1.1 KiB
Elixir
# 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
|