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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 Mix.Tasks.Pleroma.RobotsTxt do
   6   use Mix.Task
   7
   8   @shortdoc "Generate robots.txt"
   9   @moduledoc """
  10   Generates robots.txt
  11
  12   ## Overwrite robots.txt to disallow all
  13
  14       mix pleroma.robots_txt disallow_all
  15
  16   This will write a robots.txt that will hide all paths on your instance
  17   from search engines and other robots that obey robots.txt
  18
  19   """
  20   def run(["disallow_all"]) do
  21     Mix.Pleroma.start_pleroma()
  22     static_dir = Pleroma.Config.get([:instance, :static_dir], "instance/static/")
  23
  24     if !File.exists?(static_dir) do
  25       File.mkdir_p!(static_dir)
  26     end
  27
  28     robots_txt_path = Path.join(static_dir, "robots.txt")
  29     robots_txt_content = "User-Agent: *\nDisallow: /\n"
  30
  31     File.write!(robots_txt_path, robots_txt_content, [:write])
  32   end
  33 end