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# coding: utf-8 # Copyright (c) 2016, 2026, Oracle and/or its affiliates. All rights reserved. # This software is dual-licensed to you under the Universal Permissive License (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl or Apache License 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose either license. from .instance_principals_security_token_signer import InstancePrincipalsSecurityTokenSigner class InstancePrincipalsDelegationTokenSigner(InstancePrincipalsSecurityTokenSigner): """ InstancePrincipalsDelegationTokenSigner extends the functionality of InstancePrincipalsSecurityTokenSigner. A delegation token allows the instance to assume the privileges of the user for which the token was created. This signer can be used as follows: .. code-block:: python import oci signer = oci.auth.signers.InstancePrincipalsDelegationTokenSigner(delegation_token=delegation_token) identity_client = oci.identity.IdentityClient(config={}, signer=signer) regions = identity_client.list_regions() :param str delegation_token (required) This token allows an instance to assume the privileges of a specific user and act on-behalf-of that user. :param str federation_endpoint: (optional) Users of this class can specify an explicit federation_endpoint, representing the Auth Service endpoint from which to retrieve a security token. If it is not provided then we will construct an endpoint based on the region we read from the metadata endpoint for the instance :param federation_client_cert_bundle_verify: (optional) If we need a specific cert bundle in order to perform verification against the federation endpoint, this parameter is the path to that bundle. Alternatively, False can be passed to disable verification. :type federation_client_cert_bundle_verify: str or Boolean :param obj federation_client_retry_strategy: (optional): A retry strategy to apply to calls made by the X509FederationClient used by this class. This should be one of the strategies available in the :py:mod:`~oci.retry` module. A convenience :py:data:`~oci.retry.DEFAULT_RETRY_STRATEGY` is also available and will be used by the X509FederationClient if no explicit retry strategy is specified. The specifics of the default retry strategy are described `here <https://oracle-cloud-infrastructure-python-sdk.readthedocs.io/en/latest/sdk_behaviors/retries.html>`__. To have this operation explicitly not perform any retries, pass an instance of :py:class:`~oci.retry.NoneRetryStrategy`. """ # opc-obo-token is added to the generic_headers list def __init__(self, **kwargs): self.delegation_token = kwargs['delegation_token'] generic_headers = ["date", "(request-target)", "host", "opc-obo-token"] super(InstancePrincipalsDelegationTokenSigner, self).__init__(generic_headers=generic_headers, **kwargs) def do_request_sign(self, request, enforce_content_headers=True): """ Signs the request with the opc-obo-token added to the request header """ request.headers['opc-obo-token'] = self.delegation_token super(InstancePrincipalsDelegationTokenSigner, self).do_request_sign(request, enforce_content_headers) return request
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