Remove unused django_etebase code.

django_etebase/token_auth/authentication.py

@@ -1,46 +0,0 @@
-from django.utils import timezone
-from django.utils.translation import gettext_lazy as _
-
-from rest_framework import exceptions
-from rest_framework.authentication import TokenAuthentication as DRFTokenAuthentication
-
-from .models import AuthToken, get_default_expiry
-
-
-AUTO_REFRESH = True
-MIN_REFRESH_INTERVAL = 60
-
-
-class TokenAuthentication(DRFTokenAuthentication):
-    keyword = "Token"
-    model = AuthToken
-
-    def authenticate_credentials(self, key):
-        msg = _("Invalid token.")
-        model = self.get_model()
-        try:
-            token = model.objects.select_related("user").get(key=key)
-        except model.DoesNotExist:
-            raise exceptions.AuthenticationFailed(msg)
-
-        if not token.user.is_active:
-            raise exceptions.AuthenticationFailed(_("User inactive or deleted."))
-
-        if token.expiry is not None:
-            if token.expiry < timezone.now():
-                token.delete()
-                raise exceptions.AuthenticationFailed(msg)
-
-            if AUTO_REFRESH:
-                self.renew_token(token)
-
-        return (token.user, token)
-
-    def renew_token(self, auth_token):
-        current_expiry = auth_token.expiry
-        new_expiry = get_default_expiry()
-        # Throttle refreshing of token to avoid db writes
-        delta = (new_expiry - current_expiry).total_seconds()
-        if delta > MIN_REFRESH_INTERVAL:
-            auth_token.expiry = new_expiry
-            auth_token.save(update_fields=("expiry",))