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mobilizon/lib/web/auth/guardian.ex
Thomas Citharel da70427e32
fix: fix Elixir 1.15 depreciations
Signed-off-by: Thomas Citharel <tcit@tcit.fr>
2023-08-02 09:59:09 +02:00

125 lines
3.9 KiB
Elixir

defmodule Mobilizon.Web.Auth.Guardian do
@moduledoc """
Handles the JWT tokens encoding and decoding
"""
use Guardian,
otp_app: :mobilizon,
permissions: %{
superuser: [:moderate, :super],
user: [:base]
}
alias Mobilizon.{Applications, Users}
alias Mobilizon.Applications.ApplicationToken
alias Mobilizon.Users.User
require Logger
@spec subject_for_token(any(), any()) :: {:ok, String.t()} | {:error, :unknown_resource}
def subject_for_token(%User{id: user_id}, _claims) do
{:ok, "User:" <> to_string(user_id)}
end
def subject_for_token(%ApplicationToken{id: app_token_id}, _claims) do
{:ok, "AppToken:" <> to_string(app_token_id)}
end
def subject_for_token(_, _) do
{:error, :unknown_resource}
end
@spec resource_from_claims(any) ::
{:error, :invalid_id | :no_result | :no_claims} | {:ok, Mobilizon.Users.User.t()}
def resource_from_claims(%{"sub" => "User:" <> uid_str}) do
Logger.debug(fn -> "Receiving claim for user #{uid_str}" end)
try do
case Integer.parse(uid_str) do
{uid, ""} ->
{:ok, Users.get_user_with_actors!(uid)}
_ ->
{:error, :invalid_id}
end
rescue
e in Ecto.NoResultsError ->
Logger.warning("Received token claim for non existing user: #{inspect(e)}")
{:error, :no_result}
end
end
def resource_from_claims(%{"sub" => "AppToken:" <> id_str}) do
Logger.debug(fn -> "Receiving claim for app token #{id_str}" end)
try do
case Integer.parse(id_str) do
{id, ""} ->
application_token = Applications.get_application_token!(id)
user = Users.get_user_with_actors!(application_token.user_id)
application = Applications.get_application!(application_token.application_id)
{:ok, application_token |> Map.put(:user, user) |> Map.put(:application, application)}
_ ->
{:error, :invalid_id}
end
rescue
e in Ecto.NoResultsError ->
Logger.info("Received token claim for non existing app token: #{inspect(e.message)}")
{:error, :no_result}
end
end
def resource_from_claims(_) do
{:error, :no_claims}
end
@spec after_encode_and_sign(any(), any(), any(), any()) :: {:ok, String.t()}
def after_encode_and_sign(resource, claims, token, _options) do
with {:ok, _} <- Guardian.DB.after_encode_and_sign(resource, claims["typ"], claims, token) do
{:ok, token}
end
end
@spec on_verify(any(), any(), any()) :: {:ok, map()} | {:error, :token_not_found}
def on_verify(claims, token, _options) do
Logger.debug("[Guardian] Called on_verify")
with {:ok, _} <- Guardian.DB.on_verify(claims, token) do
{:ok, claims}
end
end
@spec on_revoke(any(), any(), any()) :: {:ok, map()} | {:error, :could_not_revoke_token}
def on_revoke(claims, token, _options) do
Logger.debug("[Guardian] Called on_revoke")
with {:ok, _} <- Guardian.DB.on_revoke(claims, token) do
{:ok, claims}
end
end
@spec on_refresh({any(), any()}, {any(), any()}, any()) ::
{:ok, {String.t(), map()}, {String.t(), map()}} | {:error, any()}
def on_refresh({old_token, old_claims}, {new_token, new_claims}, _options) do
Logger.debug("[Guardian] Called on_refresh")
with {:ok, _, _} <- Guardian.DB.on_refresh({old_token, old_claims}, {new_token, new_claims}) do
{:ok, {old_token, old_claims}, {new_token, new_claims}}
end
end
@spec on_exchange(any(), any(), any()) ::
{:ok, {String.t(), map()}, {String.t(), map()}} | {:error, any()}
def on_exchange(old_stuff, new_stuff, options) do
Logger.debug("[Guardian] Called on_exchange")
on_refresh(old_stuff, new_stuff, options)
end
# def build_claims(claims, _resource, opts) do
# claims = claims
# |> encode_permissions_into_claims!(Keyword.get(opts, :permissions))
# {:ok, claims}
# end
end