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90 lines
2.8 KiB
Python
90 lines
2.8 KiB
Python
from azure.storage.blob import BlobServiceClient, ContainerClient, BlobClient
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BSC = BlobServiceClient.from_connection_string(...)
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def unsafe():
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# does not set encryption_version to 2.0, default is unsafe
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blob_client = BSC.get_blob_client(...)
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blob_client.require_encryption = True
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blob_client.key_encryption_key = ...
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with open("decryptedcontentfile.txt", "rb") as stream:
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blob_client.upload_blob(stream) # BAD
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def unsafe_setting_on_blob_service_client():
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blob_service_client = BlobServiceClient.from_connection_string(...)
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blob_service_client.require_encryption = True
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blob_service_client.key_encryption_key = ...
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blob_client = blob_service_client.get_blob_client(...)
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with open("decryptedcontentfile.txt", "rb") as stream:
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blob_client.upload_blob(stream)
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def unsafe_setting_on_container_client():
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container_client = ContainerClient.from_connection_string(...)
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container_client.require_encryption = True
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container_client.key_encryption_key = ...
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blob_client = container_client.get_blob_client(...)
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with open("decryptedcontentfile.txt", "rb") as stream:
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blob_client.upload_blob(stream)
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def potentially_unsafe(use_new_version=False):
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blob_client = BSC.get_blob_client(...)
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blob_client.require_encryption = True
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blob_client.key_encryption_key = ...
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if use_new_version:
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blob_client.encryption_version = '2.0'
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with open("decryptedcontentfile.txt", "rb") as stream:
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blob_client.upload_blob(stream) # BAD
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def safe():
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blob_client = BSC.get_blob_client(...)
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blob_client.require_encryption = True
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blob_client.key_encryption_key = ...
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# GOOD: Must use `encryption_version` set to `2.0`
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blob_client.encryption_version = '2.0'
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with open("decryptedcontentfile.txt", "rb") as stream:
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blob_client.upload_blob(stream) # OK
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def safe_different_order():
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blob_client: BlobClient = BSC.get_blob_client(...)
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blob_client.encryption_version = '2.0'
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blob_client.require_encryption = True
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blob_client.key_encryption_key = ...
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with open("decryptedcontentfile.txt", "rb") as stream:
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blob_client.upload_blob(stream) # OK
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def get_unsafe_blob_client():
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blob_client = BSC.get_blob_client(...)
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blob_client.require_encryption = True
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blob_client.key_encryption_key = ...
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return blob_client
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def unsafe_with_calls():
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bc = get_unsafe_blob_client()
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with open("decryptedcontentfile.txt", "rb") as stream:
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bc.upload_blob(stream) # BAD
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def get_safe_blob_client():
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blob_client = BSC.get_blob_client(...)
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blob_client.require_encryption = True
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blob_client.key_encryption_key = ...
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blob_client.encryption_version = '2.0'
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return blob_client
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def safe_with_calls():
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bc = get_safe_blob_client()
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with open("decryptedcontentfile.txt", "rb") as stream:
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bc.upload_blob(stream) # OK
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