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

   1 defmodule Pleroma.Web.PleromaAPI.EmojiPackController do
   2   use Pleroma.Web, :controller
   3
   4   alias Pleroma.Emoji.Pack
   5
   6   plug(Pleroma.Web.ApiSpec.CastAndValidate)
   7
   8   plug(
   9     Pleroma.Plugs.OAuthScopesPlug,
  10     %{scopes: ["write"], admin: true}
  11     when action in [
  12            :import_from_filesystem,
  13            :remote,
  14            :download,
  15            :create,
  16            :update,
  17            :delete,
  18            :add_file,
  19            :update_file,
  20            :delete_file
  21          ]
  22   )
  23
  24   @skip_plugs [Pleroma.Plugs.OAuthScopesPlug, Pleroma.Plugs.ExpectPublicOrAuthenticatedCheckPlug]
  25   plug(:skip_plug, @skip_plugs when action in [:archive, :show, :list])
  26
  27   defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.PleromaEmojiPackOperation
  28
  29   def remote(conn, %{url: url}) do
  30     with {:ok, packs} <- Pack.list_remote(url) do
  31       json(conn, packs)
  32     else
  33       {:error, :not_shareable} ->
  34         conn
  35         |> put_status(:internal_server_error)
  36         |> json(%{error: "The requested instance does not support sharing emoji packs"})
  37     end
  38   end
  39
  40   def index(conn, params) do
  41     emoji_path =
  42       [:instance, :static_dir]
  43       |> Pleroma.Config.get!()
  44       |> Path.join("emoji")
  45
  46     with {:ok, packs, count} <- Pack.list_local(page: params.page, page_size: params.page_size) do
  47       json(conn, %{packs: packs, count: count})
  48     else
  49       {:error, :create_dir, e} ->
  50         conn
  51         |> put_status(:internal_server_error)
  52         |> json(%{error: "Failed to create the emoji pack directory at #{emoji_path}: #{e}"})
  53
  54       {:error, :ls, e} ->
  55         conn
  56         |> put_status(:internal_server_error)
  57         |> json(%{
  58           error: "Failed to get the contents of the emoji pack directory at #{emoji_path}: #{e}"
  59         })
  60     end
  61   end
  62
  63   def show(conn, %{name: name, page: page, page_size: page_size}) do
  64     name = String.trim(name)
  65
  66     with {:ok, pack} <- Pack.show(name: name, page: page, page_size: page_size) do
  67       json(conn, pack)
  68     else
  69       {:error, :not_found} ->
  70         conn
  71         |> put_status(:not_found)
  72         |> json(%{error: "Pack #{name} does not exist"})
  73
  74       {:error, :empty_values} ->
  75         conn
  76         |> put_status(:bad_request)
  77         |> json(%{error: "pack name cannot be empty"})
  78     end
  79   end
  80
  81   def archive(conn, %{name: name}) do
  82     with {:ok, archive} <- Pack.get_archive(name) do
  83       send_download(conn, {:binary, archive}, filename: "#{name}.zip")
  84     else
  85       {:error, :cant_download} ->
  86         conn
  87         |> put_status(:forbidden)
  88         |> json(%{
  89           error:
  90             "Pack #{name} cannot be downloaded from this instance, either pack sharing was disabled for this pack or some files are missing"
  91         })
  92
  93       {:error, :not_found} ->
  94         conn
  95         |> put_status(:not_found)
  96         |> json(%{error: "Pack #{name} does not exist"})
  97     end
  98   end
  99
 100   def download(%{body_params: %{url: url, name: name} = params} = conn, _) do
 101     with {:ok, _pack} <- Pack.download(name, url, params[:as]) do
 102       json(conn, "ok")
 103     else
 104       {:error, :not_shareable} ->
 105         conn
 106         |> put_status(:internal_server_error)
 107         |> json(%{error: "The requested instance does not support sharing emoji packs"})
 108
 109       {:error, :invalid_checksum} ->
 110         conn
 111         |> put_status(:internal_server_error)
 112         |> json(%{error: "SHA256 for the pack doesn't match the one sent by the server"})
 113
 114       {:error, e} ->
 115         conn
 116         |> put_status(:internal_server_error)
 117         |> json(%{error: e})
 118     end
 119   end
 120
 121   def create(conn, %{name: name}) do
 122     name = String.trim(name)
 123
 124     with {:ok, _pack} <- Pack.create(name) do
 125       json(conn, "ok")
 126     else
 127       {:error, :eexist} ->
 128         conn
 129         |> put_status(:conflict)
 130         |> json(%{error: "A pack named \"#{name}\" already exists"})
 131
 132       {:error, :empty_values} ->
 133         conn
 134         |> put_status(:bad_request)
 135         |> json(%{error: "pack name cannot be empty"})
 136
 137       {:error, _} ->
 138         render_error(
 139           conn,
 140           :internal_server_error,
 141           "Unexpected error occurred while creating pack."
 142         )
 143     end
 144   end
 145
 146   def delete(conn, %{name: name}) do
 147     name = String.trim(name)
 148
 149     with {:ok, deleted} when deleted != [] <- Pack.delete(name) do
 150       json(conn, "ok")
 151     else
 152       {:ok, []} ->
 153         conn
 154         |> put_status(:not_found)
 155         |> json(%{error: "Pack #{name} does not exist"})
 156
 157       {:error, :empty_values} ->
 158         conn
 159         |> put_status(:bad_request)
 160         |> json(%{error: "pack name cannot be empty"})
 161
 162       {:error, _, _} ->
 163         conn
 164         |> put_status(:internal_server_error)
 165         |> json(%{error: "Couldn't delete the pack #{name}"})
 166     end
 167   end
 168
 169   def update(%{body_params: %{metadata: metadata}} = conn, %{name: name}) do
 170     with {:ok, pack} <- Pack.update_metadata(name, metadata) do
 171       json(conn, pack.pack)
 172     else
 173       {:error, :incomplete} ->
 174         conn
 175         |> put_status(:bad_request)
 176         |> json(%{error: "The fallback archive does not have all files specified in pack.json"})
 177
 178       {:error, _} ->
 179         render_error(
 180           conn,
 181           :internal_server_error,
 182           "Unexpected error occurred while updating pack metadata."
 183         )
 184     end
 185   end
 186
 187   def add_file(%{body_params: params} = conn, %{name: name}) do
 188     filename = params[:filename] || get_filename(params[:file])
 189     shortcode = params[:shortcode] || Path.basename(filename, Path.extname(filename))
 190
 191     with {:ok, pack} <- Pack.add_file(name, shortcode, filename, params[:file]) do
 192       json(conn, pack.files)
 193     else
 194       {:error, :already_exists} ->
 195         conn
 196         |> put_status(:conflict)
 197         |> json(%{error: "An emoji with the \"#{shortcode}\" shortcode already exists"})
 198
 199       {:error, :not_found} ->
 200         conn
 201         |> put_status(:bad_request)
 202         |> json(%{error: "pack \"#{name}\" is not found"})
 203
 204       {:error, :empty_values} ->
 205         conn
 206         |> put_status(:bad_request)
 207         |> json(%{error: "pack name, shortcode or filename cannot be empty"})
 208
 209       {:error, _} ->
 210         render_error(
 211           conn,
 212           :internal_server_error,
 213           "Unexpected error occurred while adding file to pack."
 214         )
 215     end
 216   end
 217
 218   def update_file(%{body_params: %{shortcode: shortcode} = params} = conn, %{name: name}) do
 219     new_shortcode = params[:new_shortcode]
 220     new_filename = params[:new_filename]
 221     force = params[:force]
 222
 223     with {:ok, pack} <- Pack.update_file(name, shortcode, new_shortcode, new_filename, force) do
 224       json(conn, pack.files)
 225     else
 226       {:error, :doesnt_exist} ->
 227         conn
 228         |> put_status(:bad_request)
 229         |> json(%{error: "Emoji \"#{shortcode}\" does not exist"})
 230
 231       {:error, :already_exists} ->
 232         conn
 233         |> put_status(:conflict)
 234         |> json(%{
 235           error:
 236             "New shortcode \"#{new_shortcode}\" is already used. If you want to override emoji use 'force' option"
 237         })
 238
 239       {:error, :not_found} ->
 240         conn
 241         |> put_status(:bad_request)
 242         |> json(%{error: "pack \"#{name}\" is not found"})
 243
 244       {:error, :empty_values} ->
 245         conn
 246         |> put_status(:bad_request)
 247         |> json(%{error: "new_shortcode or new_filename cannot be empty"})
 248
 249       {:error, _} ->
 250         render_error(
 251           conn,
 252           :internal_server_error,
 253           "Unexpected error occurred while updating file in pack."
 254         )
 255     end
 256   end
 257
 258   def delete_file(conn, %{name: name, shortcode: shortcode}) do
 259     with {:ok, pack} <- Pack.delete_file(name, shortcode) do
 260       json(conn, pack.files)
 261     else
 262       {:error, :doesnt_exist} ->
 263         conn
 264         |> put_status(:bad_request)
 265         |> json(%{error: "Emoji \"#{shortcode}\" does not exist"})
 266
 267       {:error, :not_found} ->
 268         conn
 269         |> put_status(:bad_request)
 270         |> json(%{error: "pack \"#{name}\" is not found"})
 271
 272       {:error, :empty_values} ->
 273         conn
 274         |> put_status(:bad_request)
 275         |> json(%{error: "pack name or shortcode cannot be empty"})
 276
 277       {:error, _} ->
 278         render_error(
 279           conn,
 280           :internal_server_error,
 281           "Unexpected error occurred while removing file from pack."
 282         )
 283     end
 284   end
 285
 286   def import_from_filesystem(conn, _params) do
 287     with {:ok, names} <- Pack.import_from_filesystem() do
 288       json(conn, names)
 289     else
 290       {:error, :no_read_write} ->
 291         conn
 292         |> put_status(:internal_server_error)
 293         |> json(%{error: "Error: emoji pack directory must be writable"})
 294
 295       {:error, _} ->
 296         conn
 297         |> put_status(:internal_server_error)
 298         |> json(%{error: "Error accessing emoji pack directory"})
 299     end
 300   end
 301
 302   defp get_filename(%Plug.Upload{filename: filename}), do: filename
 303   defp get_filename(url) when is_binary(url), do: Path.basename(url)
 304 end