37 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			37 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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defmodule Pleroma.Web.RichMedia.Helpers do
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  alias Pleroma.Activity
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  alias Pleroma.HTML
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  alias Pleroma.Object
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  alias Pleroma.Web.RichMedia.Parser
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  defp validate_page_url(page_url) when is_binary(page_url) do
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    if AutoLinker.Parser.is_url?(page_url, true) do
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      URI.parse(page_url) |> validate_page_url
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    else
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      :error
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    end
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  end
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  defp validate_page_url(%URI{authority: nil}), do: :error
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  defp validate_page_url(%URI{scheme: nil}), do: :error
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  defp validate_page_url(%URI{}), do: :ok
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  defp validate_page_url(_), do: :error
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  def fetch_data_for_activity(%Activity{data: %{"type" => "Create"}} = activity) do
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    with true <- Pleroma.Config.get([:rich_media, :enabled]),
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         %Object{} = object <- Object.normalize(activity),
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         {:ok, page_url} <- HTML.extract_first_external_url(object, object.data["content"]),
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         :ok <- validate_page_url(page_url),
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         {:ok, rich_media} <- Parser.parse(page_url) do
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      %{page_url: page_url, rich_media: rich_media}
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    else
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      _ -> %{}
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    end
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  end
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  def fetch_data_for_activity(_), do: %{}
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end
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