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46 lines
1.2 KiB
Python
46 lines
1.2 KiB
Python
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"""Identity policy for storing info in the jwt token.
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"""
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from .abc import AbstractIdentityPolicy
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try:
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import jwt
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except ImportError: # pragma: no cover
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jwt = None
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AUTH_HEADER_NAME = 'Authorization'
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AUTH_SCHEME = 'Bearer '
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class JWTIdentityPolicy(AbstractIdentityPolicy):
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def __init__(self, secret, algorithm='HS256'):
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if jwt is None:
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raise RuntimeError('Please install `PyJWT`')
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self.secret = secret
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self.algorithm = algorithm
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async def identify(self, request):
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header_identity = request.headers.get(AUTH_HEADER_NAME)
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if header_identity is None:
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return
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if not header_identity.startswith(AUTH_SCHEME):
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raise ValueError('Invalid authorization scheme. ' +
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'Should be `Bearer <token>`')
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token = header_identity.split(' ')[1].strip()
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identity = jwt.decode(token,
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self.secret,
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algorithms=[self.algorithm])
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return identity
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async def remember(self, *args, **kwargs): # pragma: no cover
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pass
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async def forget(self, request, response): # pragma: no cover
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pass
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