44 lines
1.6 KiB
Python
44 lines
1.6 KiB
Python
|
"""API Authentication"""
|
||
|
|
from base64 import b64decode
|
||
|
|
from typing import Any, Tuple, Union
|
||
|
|
|
||
|
|
from django.utils.translation import gettext as _
|
||
|
|
from rest_framework import HTTP_HEADER_ENCODING, exceptions
|
||
|
|
from rest_framework.authentication import BaseAuthentication, get_authorization_header
|
||
|
|
from rest_framework.request import Request
|
||
|
|
|
||
|
|
from passbook.core.models import Token, TokenIntents, User
|
||
|
|
|
||
|
|
|
||
|
|
class PassbookTokenAuthentication(BaseAuthentication):
|
||
|
|
"""Token-based authentication using HTTP Basic authentication"""
|
||
|
|
|
||
|
|
def authenticate(self, request: Request) -> Union[Tuple[User, Any], None]:
|
||
|
|
"""Token-based authentication using HTTP Basic authentication"""
|
||
|
|
auth = get_authorization_header(request).split()
|
||
|
|
|
||
|
|
if not auth or auth[0].lower() != b"basic":
|
||
|
|
return None
|
||
|
|
|
||
|
|
if len(auth) == 1:
|
||
|
|
msg = _("Invalid basic header. No credentials provided.")
|
||
|
|
raise exceptions.AuthenticationFailed(msg)
|
||
|
|
if len(auth) > 2:
|
||
|
|
msg = _(
|
||
|
|
"Invalid basic header. Credentials string should not contain spaces."
|
||
|
|
)
|
||
|
|
raise exceptions.AuthenticationFailed(msg)
|
||
|
|
|
||
|
|
header_data = b64decode(auth[1]).decode(HTTP_HEADER_ENCODING).partition(":")
|
||
|
|
|
||
|
|
tokens = Token.filter_not_expired(
|
||
|
|
token_uuid=header_data[2], intent=TokenIntents.INTENT_API
|
||
|
|
)
|
||
|
|
if not tokens.exists():
|
||
|
|
raise exceptions.AuthenticationFailed(_("Invalid token."))
|
||
|
|
|
||
|
|
return (tokens.first().user, None)
|
||
|
|
|
||
|
|
def authenticate_header(self, request: Request) -> str:
|
||
|
|
return 'Basic realm="passbook"'
|