git.squeep.com Git - akkoma/blob - lib/pleroma/web/pleroma_api/controllers/emoji_file_controller.ex

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.PleromaAPI.EmojiFileController do
   6   use Pleroma.Web, :controller
   7
   8   alias Pleroma.Emoji.Pack
   9   alias Pleroma.Web.ApiSpec
  10
  11   plug(Pleroma.Web.ApiSpec.CastAndValidate)
  12
  13   plug(
  14     Pleroma.Web.Plugs.OAuthScopesPlug,
  15     %{scopes: ["admin:write"]}
  16     when action in [
  17            :create,
  18            :update,
  19            :delete
  20          ]
  21   )
  22
  23   defdelegate open_api_operation(action), to: ApiSpec.PleromaEmojiFileOperation
  24
  25   def create(%{body_params: params} = conn, %{name: pack_name}) do
  26     filename = params[:filename] || get_filename(params[:file])
  27     shortcode = params[:shortcode] || Path.basename(filename, Path.extname(filename))
  28
  29     with {:ok, pack} <- Pack.load_pack(pack_name),
  30          {:ok, file} <- get_file(params[:file]),
  31          {:ok, pack} <- Pack.add_file(pack, shortcode, filename, file) do
  32       json(conn, pack.files)
  33     else
  34       {:error, :already_exists} ->
  35         conn
  36         |> put_status(:conflict)
  37         |> json(%{error: "An emoji with the \"#{shortcode}\" shortcode already exists"})
  38
  39       {:error, :empty_values} ->
  40         conn
  41         |> put_status(:unprocessable_entity)
  42         |> json(%{error: "pack name, shortcode or filename cannot be empty"})
  43
  44       {:error, _} = error ->
  45         handle_error(conn, error, %{
  46           pack_name: pack_name,
  47           message: "Unexpected error occurred while adding file to pack."
  48         })
  49     end
  50   end
  51
  52   def update(%{body_params: %{shortcode: shortcode} = params} = conn, %{name: pack_name}) do
  53     new_shortcode = params[:new_shortcode]
  54     new_filename = params[:new_filename]
  55     force = params[:force]
  56
  57     with {:ok, pack} <- Pack.load_pack(pack_name),
  58          {:ok, pack} <- Pack.update_file(pack, shortcode, new_shortcode, new_filename, force) do
  59       json(conn, pack.files)
  60     else
  61       {:error, :already_exists} ->
  62         conn
  63         |> put_status(:conflict)
  64         |> json(%{
  65           error:
  66             "New shortcode \"#{new_shortcode}\" is already used. If you want to override emoji use 'force' option"
  67         })
  68
  69       {:error, :empty_values} ->
  70         conn
  71         |> put_status(:unprocessable_entity)
  72         |> json(%{error: "new_shortcode or new_filename cannot be empty"})
  73
  74       {:error, _} = error ->
  75         handle_error(conn, error, %{
  76           pack_name: pack_name,
  77           code: shortcode,
  78           message: "Unexpected error occurred while updating."
  79         })
  80     end
  81   end
  82
  83   def delete(conn, %{name: pack_name, shortcode: shortcode}) do
  84     with {:ok, pack} <- Pack.load_pack(pack_name),
  85          {:ok, pack} <- Pack.delete_file(pack, shortcode) do
  86       json(conn, pack.files)
  87     else
  88       {:error, :empty_values} ->
  89         conn
  90         |> put_status(:unprocessable_entity)
  91         |> json(%{error: "pack name or shortcode cannot be empty"})
  92
  93       {:error, _} = error ->
  94         handle_error(conn, error, %{
  95           pack_name: pack_name,
  96           code: shortcode,
  97           message: "Unexpected error occurred while deleting emoji file."
  98         })
  99     end
 100   end
 101
 102   defp handle_error(conn, {:error, :doesnt_exist}, %{code: emoji_code}) do
 103     conn
 104     |> put_status(:bad_request)
 105     |> json(%{error: "Emoji \"#{emoji_code}\" does not exist"})
 106   end
 107
 108   defp handle_error(conn, {:error, :enoent}, %{pack_name: pack_name}) do
 109     conn
 110     |> put_status(:not_found)
 111     |> json(%{error: "pack \"#{pack_name}\" is not found"})
 112   end
 113
 114   defp handle_error(conn, {:error, error}, opts) do
 115     message =
 116       [
 117         Map.get(opts, :message, "Unexpected error occurred."),
 118         Pleroma.Utils.posix_error_message(error)
 119       ]
 120       |> Enum.join(" ")
 121       |> String.trim()
 122
 123     conn
 124     |> put_status(:internal_server_error)
 125     |> json(%{error: message})
 126   end
 127
 128   defp get_filename(%Plug.Upload{filename: filename}), do: filename
 129   defp get_filename(url) when is_binary(url), do: Path.basename(url)
 130
 131   def get_file(%Plug.Upload{} = file), do: {:ok, file}
 132
 133   def get_file(url) when is_binary(url) do
 134     with {:ok, %Tesla.Env{body: body, status: code, headers: headers}}
 135          when code in 200..299 <- Pleroma.HTTP.get(url) do
 136       path = Plug.Upload.random_file!("emoji")
 137
 138       content_type =
 139         case List.keyfind(headers, "content-type", 0) do
 140           {"content-type", value} -> value
 141           nil -> nil
 142         end
 143
 144       File.write(path, body)
 145
 146       {:ok,
 147        %Plug.Upload{
 148          filename: Path.basename(url),
 149          path: path,
 150          content_type: content_type
 151        }}
 152     end
 153   end
 154 end