Pleroma/lib/pleroma/web/pleroma_api/controllers/emoji_pack_controller.ex

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defmodule Pleroma.Web.PleromaAPI.EmojiPackController do
use Pleroma.Web, :controller
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alias Pleroma.Emoji.Pack
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plug(Pleroma.Web.ApiSpec.CastAndValidate)
plug(
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Pleroma.Plugs.OAuthScopesPlug,
%{scopes: ["write"], admin: true}
when action in [
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:import_from_filesystem,
:remote,
:download,
:create,
:update,
:delete,
:add_file,
:update_file,
:delete_file
]
)
@skip_plugs [Pleroma.Plugs.OAuthScopesPlug, Pleroma.Plugs.ExpectPublicOrAuthenticatedCheckPlug]
plug(:skip_plug, @skip_plugs when action in [:archive, :show, :list])
defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.PleromaEmojiPackOperation
def remote(conn, %{url: url}) do
with {:ok, packs} <- Pack.list_remote(url) do
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json(conn, packs)
else
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{:error, :not_shareable} ->
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conn
|> put_status(:internal_server_error)
|> json(%{error: "The requested instance does not support sharing emoji packs"})
end
end
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def index(conn, params) do
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emoji_path =
[:instance, :static_dir]
|> Pleroma.Config.get!()
|> Path.join("emoji")
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with {:ok, packs, count} <- Pack.list_local(page: params.page, page_size: params.page_size) do
json(conn, %{packs: packs, count: count})
else
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{:error, :create_dir, e} ->
conn
|> put_status(:internal_server_error)
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|> json(%{error: "Failed to create the emoji pack directory at #{emoji_path}: #{e}"})
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{:error, :ls, e} ->
conn
|> put_status(:internal_server_error)
|> json(%{
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error: "Failed to get the contents of the emoji pack directory at #{emoji_path}: #{e}"
})
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end
end
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def show(conn, %{name: name, page: page, page_size: page_size}) do
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name = String.trim(name)
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with {:ok, pack} <- Pack.show(name: name, page: page, page_size: page_size) do
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json(conn, pack)
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else
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{:error, :not_found} ->
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conn
|> put_status(:not_found)
|> json(%{error: "Pack #{name} does not exist"})
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{:error, :empty_values} ->
conn
|> put_status(:bad_request)
|> json(%{error: "pack name cannot be empty"})
end
end
def archive(conn, %{name: name}) do
with {:ok, archive} <- Pack.get_archive(name) do
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send_download(conn, {:binary, archive}, filename: "#{name}.zip")
else
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{:error, :cant_download} ->
conn
|> put_status(:forbidden)
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|> json(%{
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error:
"Pack #{name} cannot be downloaded from this instance, either pack sharing was disabled for this pack or some files are missing"
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})
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{:error, :not_found} ->
conn
|> put_status(:not_found)
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|> json(%{error: "Pack #{name} does not exist"})
end
end
def download(%{body_params: %{url: url, name: name} = params} = conn, _) do
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with {:ok, _pack} <- Pack.download(name, url, params[:as]) do
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json(conn, "ok")
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else
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{:error, :not_shareable} ->
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conn
|> put_status(:internal_server_error)
|> json(%{error: "The requested instance does not support sharing emoji packs"})
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{:error, :invalid_checksum} ->
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conn
|> put_status(:internal_server_error)
|> json(%{error: "SHA256 for the pack doesn't match the one sent by the server"})
{:error, e} ->
conn
|> put_status(:internal_server_error)
|> json(%{error: e})
end
end
def create(conn, %{name: name}) do
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name = String.trim(name)
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with {:ok, _pack} <- Pack.create(name) do
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json(conn, "ok")
else
{:error, :eexist} ->
conn
|> put_status(:conflict)
|> json(%{error: "A pack named \"#{name}\" already exists"})
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{:error, :empty_values} ->
conn
|> put_status(:bad_request)
|> json(%{error: "pack name cannot be empty"})
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{:error, _} ->
render_error(
conn,
:internal_server_error,
"Unexpected error occurred while creating pack."
)
end
end
def delete(conn, %{name: name}) do
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name = String.trim(name)
with {:ok, deleted} when deleted != [] <- Pack.delete(name) do
json(conn, "ok")
else
{:ok, []} ->
conn
|> put_status(:not_found)
|> json(%{error: "Pack #{name} does not exist"})
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{:error, :empty_values} ->
conn
|> put_status(:bad_request)
|> json(%{error: "pack name cannot be empty"})
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{:error, _, _} ->
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conn
|> put_status(:internal_server_error)
|> json(%{error: "Couldn't delete the pack #{name}"})
end
end
def update(%{body_params: %{metadata: metadata}} = conn, %{name: name}) do
with {:ok, pack} <- Pack.update_metadata(name, metadata) do
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json(conn, pack.pack)
else
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{:error, :incomplete} ->
conn
|> put_status(:bad_request)
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|> json(%{error: "The fallback archive does not have all files specified in pack.json"})
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{:error, _} ->
render_error(
conn,
:internal_server_error,
"Unexpected error occurred while updating pack metadata."
)
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end
end
def add_file(%{body_params: params} = conn, %{name: 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.add_file(name, shortcode, filename, params[:file]) do
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json(conn, pack.files)
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else
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{:error, :already_exists} ->
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conn
|> put_status(:conflict)
|> json(%{error: "An emoji with the \"#{shortcode}\" shortcode already exists"})
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{:error, :not_found} ->
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conn
|> put_status(:bad_request)
|> json(%{error: "pack \"#{name}\" is not found"})
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{:error, :empty_values} ->
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conn
|> put_status(:bad_request)
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|> json(%{error: "pack name, shortcode or filename cannot be empty"})
{:error, _} ->
render_error(
conn,
:internal_server_error,
"Unexpected error occurred while adding file to pack."
)
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end
end
def update_file(%{body_params: %{shortcode: shortcode} = params} = conn, %{name: name}) do
new_shortcode = params[:new_shortcode]
new_filename = params[:new_filename]
force = params[:force]
with {:ok, pack} <- Pack.update_file(name, shortcode, new_shortcode, new_filename, force) do
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json(conn, pack.files)
else
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{:error, :doesnt_exist} ->
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conn
|> put_status(:bad_request)
|> json(%{error: "Emoji \"#{shortcode}\" does not exist"})
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{: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"
})
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{:error, :not_found} ->
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conn
|> put_status(:bad_request)
|> json(%{error: "pack \"#{name}\" is not found"})
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{:error, :empty_values} ->
conn
|> put_status(:bad_request)
|> json(%{error: "new_shortcode or new_filename cannot be empty"})
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{:error, _} ->
render_error(
conn,
:internal_server_error,
"Unexpected error occurred while updating file in pack."
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)
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end
end
def delete_file(conn, %{name: name, shortcode: shortcode}) do
with {:ok, pack} <- Pack.delete_file(name, shortcode) do
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json(conn, pack.files)
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else
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{:error, :doesnt_exist} ->
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conn
|> put_status(:bad_request)
|> json(%{error: "Emoji \"#{shortcode}\" does not exist"})
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{:error, :not_found} ->
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conn
|> put_status(:bad_request)
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|> json(%{error: "pack \"#{name}\" is not found"})
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{:error, :empty_values} ->
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conn
|> put_status(:bad_request)
|> json(%{error: "pack name or shortcode cannot be empty"})
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{:error, _} ->
render_error(
conn,
:internal_server_error,
"Unexpected error occurred while removing file from pack."
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)
end
end
def import_from_filesystem(conn, _params) do
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with {:ok, names} <- Pack.import_from_filesystem() do
json(conn, names)
else
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{:error, :no_read_write} ->
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conn
|> put_status(:internal_server_error)
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|> json(%{error: "Error: emoji pack directory must be writable"})
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{:error, _} ->
conn
|> put_status(:internal_server_error)
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|> json(%{error: "Error accessing emoji pack directory"})
end
end
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defp get_filename(%Plug.Upload{filename: filename}), do: filename
defp get_filename(url) when is_binary(url), do: Path.basename(url)
end