e744336385
C-6: ConnectorRuntime enforces capability_mask per operation.
READ-only ACs cannot invoke MUTATE operations (wipe, lock, retire).
C-7: AC validated against database (exists, active, not expired)
before connector invocation.
C-9: Delegated AC capability bounded by delegator's capability.
C-10: Command counter uses atomic SQL increment with limit check.
M-23: expire_stale() uses same atomic SQL pattern.
H-1: Sensitive credential fields hidden from repr/logs via repr=False.
H-2: Stub backend requires ALLOW_STUB_CREDENTIALS=true to activate.
H-3: Kerberos backend raises CredentialResolutionError instead of
returning stub ticket.
H-4: Chronicle INTENT emitted before execution, RESULT after.
H-5: device_id validated as UUID before Graph API URL interpolation.
H-8: ConnectorRuntime enforces governance for all connector invocations.
Signed-off-by: Tyler King <tking@guildhouse.dev>
45 lines
1.7 KiB
Python
45 lines
1.7 KiB
Python
import os
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import logging
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logger = logging.getLogger(__name__)
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def _detect_region(http_client=None):
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region = os.environ.get("REGION_NAME", "").replace(" ", "").lower() # e.g. westus2
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if region:
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return region
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if http_client:
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return _detect_region_of_azure_vm(http_client) # It could hang for minutes
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return None
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def _detect_region_of_azure_vm(http_client):
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url = (
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"http://169.254.169.254/metadata/instance"
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# Utilize the "route parameters" feature to obtain region as a string
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# https://docs.microsoft.com/en-us/azure/virtual-machines/windows/instance-metadata-service?tabs=linux#route-parameters
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"/compute/location?format=text"
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# Location info is available since API version 2017-04-02
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# https://docs.microsoft.com/en-us/azure/virtual-machines/windows/instance-metadata-service?tabs=linux#response-1
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"&api-version=2021-01-01"
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)
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logger.info(
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"Connecting to IMDS {}. "
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"It may take a while if you are running outside of Azure. "
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"You should consider opting in/out region behavior on-demand, "
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'by loading a boolean flag "is_deployed_in_azure" '
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'from your per-deployment config and then do '
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'"app = ConfidentialClientApplication(..., '
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'azure_region=is_deployed_in_azure)"'.format(url))
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try:
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# https://docs.microsoft.com/en-us/azure/virtual-machines/windows/instance-metadata-service?tabs=linux#instance-metadata
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resp = http_client.get(url, headers={"Metadata": "true"})
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except:
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logger.info(
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"IMDS {} unavailable. Perhaps not running in Azure VM?".format(url))
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return None
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else:
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return resp.text.strip()
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