62 lines
1.6 KiB
Elixir
62 lines
1.6 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
|
|
@options [
|
|
pool: :media,
|
|
max_body: 2_000_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
|
|
opts =
|
|
if Application.get_env(:tesla, :adapter) == Tesla.Adapter.Hackney do
|
|
Keyword.merge(@options,
|
|
recv_timeout: 2_000,
|
|
with_body: true
|
|
)
|
|
else
|
|
@options
|
|
end
|
|
|
|
with {:ok, %Tesla.Env{body: html, status: status}} when status in 200..299 <-
|
|
Pleroma.HTTP.get(url, [], adapter: opts),
|
|
{: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
|