git.squeep.com Git - akkoma/blob - lib/mix/tasks/pleroma/frontend.ex

   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.Frontend do
   6   use Mix.Task
   7
   8   import Mix.Pleroma
   9
  10   @shortdoc "Manages bundled Pleroma frontends"
  11
  12   @moduledoc File.read!("docs/administration/CLI_tasks/frontend.md")
  13
  14   def run(["install", "none" | _args]) do
  15     shell_info("Skipping frontend installation because none was requested")
  16     "none"
  17   end
  18
  19   def run(["install", frontend | args]) do
  20     log_level = Logger.level()
  21     Logger.configure(level: :warn)
  22     start_pleroma()
  23
  24     {options, [], []} =
  25       OptionParser.parse(
  26         args,
  27         strict: [
  28           ref: :string,
  29           static_dir: :string,
  30           build_url: :string,
  31           build_dir: :string,
  32           file: :string
  33         ]
  34       )
  35
  36     instance_static_dir =
  37       with nil <- options[:static_dir] do
  38         Pleroma.Config.get!([:instance, :static_dir])
  39       end
  40
  41     cmd_frontend_info = %{
  42       "name" => frontend,
  43       "ref" => options[:ref],
  44       "build_url" => options[:build_url],
  45       "build_dir" => options[:build_dir]
  46     }
  47
  48     config_frontend_info = Pleroma.Config.get([:frontends, :available, frontend], %{})
  49
  50     frontend_info =
  51       Map.merge(config_frontend_info, cmd_frontend_info, fn _key, config, cmd ->
  52         # This only overrides things that are actually set
  53         cmd || config
  54       end)
  55
  56     ref = frontend_info["ref"]
  57
  58     unless ref do
  59       raise "No ref given or configured"
  60     end
  61
  62     dest =
  63       Path.join([
  64         instance_static_dir,
  65         "frontends",
  66         frontend,
  67         ref
  68       ])
  69
  70     fe_label = "#{frontend} (#{ref})"
  71
  72     tmp_dir = Path.join(dest, "tmp")
  73
  74     with {_, :ok} <-
  75            {:download_or_unzip, download_or_unzip(frontend_info, tmp_dir, options[:file])},
  76          shell_info("Installing #{fe_label} to #{dest}"),
  77          :ok <- install_frontend(frontend_info, tmp_dir, dest) do
  78       File.rm_rf!(tmp_dir)
  79       shell_info("Frontend #{fe_label} installed to #{dest}")
  80
  81       Logger.configure(level: log_level)
  82     else
  83       {:download_or_unzip, _} ->
  84         shell_info("Could not download or unzip the frontend")
  85
  86       _e ->
  87         shell_info("Could not install the frontend")
  88     end
  89   end
  90
  91   defp download_or_unzip(frontend_info, temp_dir, file) do
  92     if file do
  93       with {:ok, zip} <- File.read(Path.expand(file)) do
  94         unzip(zip, temp_dir)
  95       end
  96     else
  97       download_build(frontend_info, temp_dir)
  98     end
  99   end
 100
 101   def unzip(zip, dest) do
 102     with {:ok, unzipped} <- :zip.unzip(zip, [:memory]) do
 103       File.rm_rf!(dest)
 104       File.mkdir_p!(dest)
 105
 106       Enum.each(unzipped, fn {filename, data} ->
 107         path = filename
 108
 109         new_file_path = Path.join(dest, path)
 110
 111         new_file_path
 112         |> Path.dirname()
 113         |> File.mkdir_p!()
 114
 115         File.write!(new_file_path, data)
 116       end)
 117
 118       :ok
 119     end
 120   end
 121
 122   defp download_build(frontend_info, dest) do
 123     shell_info("Downloading pre-built bundle for #{frontend_info["name"]}")
 124     url = String.replace(frontend_info["build_url"], "${ref}", frontend_info["ref"])
 125
 126     with {:ok, %{status: 200, body: zip_body}} <-
 127            Pleroma.HTTP.get(url, [],
 128              adapter: [pool: :media, timeout: 120_000, recv_timeout: 120_000]
 129            ) do
 130       unzip(zip_body, dest)
 131     else
 132       e -> {:error, e}
 133     end
 134   end
 135
 136   defp install_frontend(frontend_info, source, dest) do
 137     from = frontend_info["build_dir"] || "dist"
 138     File.mkdir_p!(dest)
 139     File.cp_r!(Path.join([source, from]), dest)
 140     :ok
 141   end
 142 end