+ conn
+ |> put_flash(:error, "Failed to set up user account.")
+ |> redirect(external: redirect_uri(conn, params["redirect_uri"]))
+ end
+ end
+
+ defp callback_params(%{"state" => state} = params) do
+ Map.merge(params, Jason.decode!(state))
+ end
+
+ def registration_details(%Plug.Conn{} = conn, %{"authorization" => auth_attrs}) do
+ render(conn, "register.html", %{
+ client_id: auth_attrs["client_id"],
+ redirect_uri: auth_attrs["redirect_uri"],
+ state: auth_attrs["state"],
+ scopes: Scopes.fetch_scopes(auth_attrs, []),
+ nickname: auth_attrs["nickname"],
+ email: auth_attrs["email"]
+ })
+ end
+
+ def register(%Plug.Conn{} = conn, %{"authorization" => _, "op" => "connect"} = params) do
+ with registration_id when not is_nil(registration_id) <- get_session_registration_id(conn),
+ %Registration{} = registration <- Repo.get(Registration, registration_id),
+ {_, {:ok, auth}} <-
+ {:create_authorization, do_create_authorization(conn, params)},
+ %User{} = user <- Repo.preload(auth, :user).user,
+ {:ok, _updated_registration} <- Registration.bind_to_user(registration, user) do
+ conn
+ |> put_session_registration_id(nil)
+ |> after_create_authorization(auth, params)
+ else
+ {:create_authorization, error} ->
+ {:register, handle_create_authorization_error(conn, error, params)}
+
+ _ ->
+ {:register, :generic_error}
+ end
+ end
+
+ def register(%Plug.Conn{} = conn, %{"authorization" => _, "op" => "register"} = params) do
+ with registration_id when not is_nil(registration_id) <- get_session_registration_id(conn),
+ %Registration{} = registration <- Repo.get(Registration, registration_id),
+ {:ok, user} <- Authenticator.create_from_registration(conn, registration) do
+ conn
+ |> put_session_registration_id(nil)
+ |> create_authorization(
+ params,
+ user: user