akkoma/lib/pleroma/web/pleroma_api/controllers/emoji_file_controller.ex

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.PleromaAPI.EmojiFileController do
use Pleroma.Web, :controller
alias Pleroma.Emoji.Pack
alias Pleroma.Web.ApiSpec
plug(Pleroma.Web.ApiSpec.CastAndValidate)
plug(
Pleroma.Plugs.OAuthScopesPlug,
%{scopes: ["write"], admin: true}
when action in [
:create,
:update,
:delete
]
)
defdelegate open_api_operation(action), to: ApiSpec.PleromaEmojiFileOperation
def create(%{body_params: params} = conn, %{name: pack_name}) do
filename = params[:filename] || get_filename(params[:file])
shortcode = params[:shortcode] || Path.basename(filename, Path.extname(filename))
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with {:ok, pack} <- Pack.load_pack(pack_name),
{:ok, file} <- get_file(params[:file]),
{:ok, pack} <- Pack.add_file(pack, shortcode, filename, file) do
json(conn, pack.files)
else
{:error, :already_exists} ->
conn
|> put_status(:conflict)
|> json(%{error: "An emoji with the \"#{shortcode}\" shortcode already exists"})
{:error, :empty_values} ->
conn
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|> put_status(:unprocessable_entity)
|> json(%{error: "pack name, shortcode or filename cannot be empty"})
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{:error, _} = error ->
handle_error(conn, error, %{pack_name: pack_name})
end
end
def update(%{body_params: %{shortcode: shortcode} = params} = conn, %{name: pack_name}) do
new_shortcode = params[:new_shortcode]
new_filename = params[:new_filename]
force = params[:force]
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with {:ok, pack} <- Pack.load_pack(pack_name),
{:ok, pack} <- Pack.update_file(pack, shortcode, new_shortcode, new_filename, force) do
json(conn, pack.files)
else
{:error, :already_exists} ->
conn
|> put_status(:conflict)
|> json(%{
error:
"New shortcode \"#{new_shortcode}\" is already used. If you want to override emoji use 'force' option"
})
{:error, :empty_values} ->
conn
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|> put_status(:unprocessable_entity)
|> json(%{error: "new_shortcode or new_filename cannot be empty"})
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{:error, _} = error ->
handle_error(conn, error, %{pack_name: pack_name, code: shortcode})
end
end
def delete(conn, %{name: pack_name, shortcode: shortcode}) do
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with {:ok, pack} <- Pack.load_pack(pack_name),
{:ok, pack} <- Pack.delete_file(pack, shortcode) do
json(conn, pack.files)
else
{:error, :empty_values} ->
conn
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|> put_status(:unprocessable_entity)
|> json(%{error: "pack name or shortcode cannot be empty"})
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{:error, _} = error ->
handle_error(conn, error, %{pack_name: pack_name, code: shortcode})
end
end
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defp handle_error(conn, {:error, :doesnt_exist}, %{code: emoji_code}) do
conn
|> put_status(:bad_request)
|> json(%{error: "Emoji \"#{emoji_code}\" does not exist"})
end
defp handle_error(conn, {:error, :not_found}, %{pack_name: pack_name}) do
conn
|> put_status(:not_found)
|> json(%{error: "pack \"#{pack_name}\" is not found"})
end
defp handle_error(conn, {:error, _}, _) do
render_error(
conn,
:internal_server_error,
"Unexpected error occurred while adding file to pack."
)
end
defp get_filename(%Plug.Upload{filename: filename}), do: filename
defp get_filename(url) when is_binary(url), do: Path.basename(url)
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def get_file(%Plug.Upload{} = file), do: {:ok, file}
def get_file(url) when is_binary(url) do
with {:ok, %Tesla.Env{body: body, status: code, headers: headers}}
when code in 200..299 <- Pleroma.HTTP.get(url) do
path = Plug.Upload.random_file!("emoji")
content_type =
case List.keyfind(headers, "content-type", 0) do
{"content-type", value} -> value
nil -> nil
end
File.write(path, body)
{:ok,
%Plug.Upload{
filename: Path.basename(url),
path: path,
content_type: content_type
}}
end
end
end