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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.Metadata do
   6   alias Phoenix.HTML
   7
   8   def build_tags(params) do
   9     Enum.reduce(Pleroma.Config.get([__MODULE__, :providers], []), "", fn parser, acc ->
  10       rendered_html =
  11         params
  12         |> parser.build_tags()
  13         |> Enum.map(&to_tag/1)
  14         |> Enum.map(&HTML.safe_to_string/1)
  15         |> Enum.join()
  16
  17       acc <> rendered_html
  18     end)
  19   end
  20
  21   def to_tag(data) do
  22     with {name, attrs, _content = []} <- data do
  23       HTML.Tag.tag(name, attrs)
  24     else
  25       {name, attrs, content} ->
  26         HTML.Tag.content_tag(name, content, attrs)
  27
  28       _ ->
  29         raise ArgumentError, message: "make_tag invalid args"
  30     end
  31   end
  32
  33   def activity_nsfw?(%{data: %{"sensitive" => sensitive}}) do
  34     Pleroma.Config.get([__MODULE__, :unfurl_nsfw], false) == false and sensitive
  35   end
  36
  37   def activity_nsfw?(_) do
  38     false
  39   end
  40 end