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File: //opt/cppython/lib/python3.8/site-packages/google/auth/__pycache__/jwt.cpython-38.pyc
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d�Zdd�Zdd�Zdd�Zddd�Zd dd�ZGdd�dej j!j"ej j!j#�Z$Gdd�dej j!j"ej j!j#�Z%dS)!a�JSON Web Tokens

Provides support for creating (encoding) and verifying (decoding) JWTs,
especially JWTs generated and consumed by Google infrastructure.

See `rfc7519`_ for more details on JWTs.

To encode a JWT use :func:`encode`::

    from google.auth import crypt
    from google.auth import jwt

    signer = crypt.Signer(private_key)
    payload = {'some': 'payload'}
    encoded = jwt.encode(signer, payload)

To decode a JWT and verify claims use :func:`decode`::

    claims = jwt.decode(encoded, certs=public_certs)

You can also skip verification::

    claims = jwt.decode(encoded, verify=False)

.. _rfc7519: https://tools.ietf.org/html/rfc7519

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        key_id (str): The key id to add to the JWT header. If the
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            it must the the public key certificate in PEM format. If a mapping,
            it must be a mapping of key IDs to public key certificates in PEM
            format. The mapping must contain the same key ID that's specified
            in the token's header.
        verify (bool): Whether to perform signature and claim validation.
            Verification is done by default.
        audience (str or list): The audience claim, 'aud', that this JWT should
            contain. Or a list of audience claims. If None then the JWT's 'aud'
            parameter is not verified.
        clock_skew_in_seconds (int): The clock skew used for `iat` and `exp`
            validation.

    Returns:
        Mapping[str, str]: The deserialized JSON payload in the JWT.

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    sent with requests. Usually, you'll construct these credentials with
    one of the helper constructors as shown in the next section.

    To create JWT credentials using a Google service account private key
    JSON file::

        audience = 'https://pubsub.googleapis.com/google.pubsub.v1.Publisher'
        credentials = jwt.Credentials.from_service_account_file(
            'service-account.json',
            audience=audience)

    If you already have the service account file loaded and parsed::

        service_account_info = json.load(open('service_account.json'))
        credentials = jwt.Credentials.from_service_account_info(
            service_account_info,
            audience=audience)

    Both helper methods pass on arguments to the constructor, so you can
    specify the JWT claims::

        credentials = jwt.Credentials.from_service_account_file(
            'service-account.json',
            audience=audience,
            additional_claims={'meta': 'data'})

    You can also construct the credentials directly if you have a
    :class:`~google.auth.crypt.Signer` instance::

        credentials = jwt.Credentials(
            signer,
            issuer='your-issuer',
            subject='your-subject',
            audience=audience)

    The claims are considered immutable. If you want to modify the claims,
    you can easily create another instance using :meth:`with_claims`::

        new_audience = (
            'https://pubsub.googleapis.com/google.pubsub.v1.Subscriber')
        new_credentials = credentials.with_claims(audience=new_audience)
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            subject (str): The `sub` claim.
            audience (str): the `aud` claim. The intended audience for the
                credentials.
            additional_claims (Mapping[str, str]): Any additional claims for
                the JWT payload.
            token_lifetime (int): The amount of time in seconds for
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            kwargs: Additional arguments to pass to the constructor.

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        The new instance will use the same signer as the existing instance and
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        subject by default.

        Example::

            svc_creds = service_account.Credentials.from_service_account_file(
                'service_account.json')
            audience = (
                'https://pubsub.googleapis.com/google.pubsub.v1.Publisher')
            jwt_creds = jwt.Credentials.from_signing_credentials(
                svc_creds, audience=audience)

        Args:
            credentials (google.auth.credentials.Signing): The credentials to
                use to construct the new credentials.
            audience (str): the `aud` claim. The intended audience for the
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            kwargs: Additional arguments to pass to the constructor.

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            audience (str): the `aud` claim. If unspecified the current
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            additional_claims (Mapping[str, str]): Any additional claims for
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    each request using the request URI as the audience. It caches tokens
    so that multiple requests to the same URI do not incur the overhead
    of generating a new token every time.

    This behavior is especially useful for `gRPC`_ clients. A gRPC service may
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            signer (google.auth.crypt.Signer): The signer used to sign JWTs.
            issuer (str): The `iss` claim.
            subject (str): The `sub` claim.
            additional_claims (Mapping[str, str]): Any additional claims for
                the JWT payload.
            token_lifetime (int): The amount of time in seconds for
                which the token is valid. Defaults to 1 hour.
            max_cache_size (int): The maximum number of JWT tokens to keep in
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            kwargs: Additional arguments to pass to the constructor.

        Returns:
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        subject by default.

        Example::

            svc_creds = service_account.Credentials.from_service_account_file(
                'service_account.json')
            jwt_creds = jwt.OnDemandCredentials.from_signing_credentials(
                svc_creds)

        Args:
            credentials (google.auth.credentials.Signing): The credentials to
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            additional_claims (Mapping[str, str]): Any additional claims for
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