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