24 lines
815 B
Python
24 lines
815 B
Python
"""passbook oauth_client Authorization backend"""
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from typing import Optional
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from django.contrib.auth.backends import ModelBackend
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from django.http import HttpRequest
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from passbook.core.models import User
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from passbook.sources.oauth.models import OAuthSource, UserOAuthSourceConnection
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class AuthorizedServiceBackend(ModelBackend):
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"Authentication backend for users registered with remote OAuth provider."
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def authenticate(
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self, request: HttpRequest, source: OAuthSource, identifier: str
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) -> Optional[User]:
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"Fetch user for a given source by id."
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access = UserOAuthSourceConnection.objects.filter(
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source=source, identifier=identifier
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).select_related("user")
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if not access.exists():
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return None
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return access.first().user
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