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38 lines
1.5 KiB
Python
38 lines
1.5 KiB
Python
import os
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from typing import Callable
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def get_azure_ad_token_provider() -> Callable[[], str]:
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"""
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Get Azure AD token provider based on Service Principal with Secret workflow.
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Based on: https://github.com/openai/openai-python/blob/main/examples/azure_ad.py
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See Also:
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https://learn.microsoft.com/en-us/python/api/overview/azure/identity-readme?view=azure-python#service-principal-with-secret;
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https://learn.microsoft.com/en-us/python/api/azure-identity/azure.identity.clientsecretcredential?view=azure-python.
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Returns:
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Callable that returns a temporary authentication token.
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"""
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import azure.identity as identity
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from azure.identity import get_bearer_token_provider
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azure_scope = os.environ.get(
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"AZURE_SCOPE", "https://cognitiveservices.azure.com/.default"
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)
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cred = os.environ.get("AZURE_CREDENTIAL", "ClientSecretCredential")
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cred_cls = getattr(identity, cred)
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# ClientSecretCredential, DefaultAzureCredential, AzureCliCredential
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if cred == "ClientSecretCredential":
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credential = cred_cls(
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client_id=os.environ["AZURE_CLIENT_ID"],
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client_secret=os.environ["AZURE_CLIENT_SECRET"],
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tenant_id=os.environ["AZURE_TENANT_ID"],
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)
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elif cred == "ManagedIdentityCredential":
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credential = cred_cls(client_id=os.environ["AZURE_CLIENT_ID"])
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else:
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credential = cred_cls()
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return get_bearer_token_provider(credential, azure_scope)
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