51 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
| # 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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| 
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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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|     recv_timeout: 2_000,
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|     max_body: 2_000_000
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|   ]
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| 
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|   if Mix.env() == :test do
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|     def parse(url) when is_binary(url), do: parse_url(url)
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|   else
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|     def parse(url) when is_binary(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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| 
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|   def parse(_), do: {:error, "No URL provided"}
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| 
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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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| 
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|     data =
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|       Floki.attribute(html, "link[rel~=me]", "href") ++
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|         Floki.attribute(html, "a[rel~=me]", "href")
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| 
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|     {:ok, data}
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|   rescue
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|     e -> {:error, "Parsing error: #{inspect(e)}"}
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|   end
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| 
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|   def maybe_put_rel_me("http" <> _ = target_page, profile_urls) when is_list(profile_urls) do
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|     {:ok, rel_me_hrefs} = parse(target_page)
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| 
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|     true = Enum.any?(rel_me_hrefs, fn x -> x in profile_urls end)
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| 
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|     "me"
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|   rescue
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|     _ -> nil
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|   end
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| 
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|   def maybe_put_rel_me(_, _) do
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|     nil
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|   end
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| end
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