69 lines
2.3 KiB
Python
69 lines
2.3 KiB
Python
import asyncio
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import os
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from pymongo.encryption import Algorithm
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from motor.motor_asyncio import AsyncIOMotorClient, AsyncIOMotorClientEncryption
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async def main():
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# This must be the same master key that was used to create
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# the encryption key.
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local_master_key = os.urandom(96)
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kms_providers = {"local": {"key": local_master_key}}
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# The MongoDB namespace (db.collection) used to store
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# the encryption data keys.
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key_vault_namespace = "encryption.__pymongoTestKeyVault"
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key_vault_db_name, key_vault_coll_name = key_vault_namespace.split(".", 1)
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# The MotorClient used to read/write application data.
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client = AsyncIOMotorClient()
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coll = client.test.coll
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# Clear old data
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await coll.drop()
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# Set up the key vault (key_vault_namespace) for this example.
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key_vault = client[key_vault_db_name][key_vault_coll_name]
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# Ensure that two data keys cannot share the same keyAltName.
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await key_vault.drop()
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await key_vault.create_index(
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"keyAltNames", unique=True, partialFilterExpression={"keyAltNames": {"$exists": True}}
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)
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client_encryption = AsyncIOMotorClientEncryption(
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kms_providers,
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key_vault_namespace,
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# The Motorlient to use for reading/writing to the key vault.
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# This can be the same MotorClient used by the main application.
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client,
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# The CodecOptions class used for encrypting and decrypting.
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# This should be the same CodecOptions instance you have configured
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# on MotorClient, Database, or Collection.
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coll.codec_options,
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)
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# Create a new data key for the encryptedField.
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data_key_id = await client_encryption.create_data_key(
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"local", key_alt_names=["pymongo_encryption_example_3"]
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)
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# Explicitly encrypt a field:
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encrypted_field = await client_encryption.encrypt(
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"123456789", Algorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic, key_id=data_key_id
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)
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await coll.insert_one({"encryptedField": encrypted_field})
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doc = await coll.find_one()
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print(f"Encrypted document: {doc}")
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# Explicitly decrypt the field:
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doc["encryptedField"] = await client_encryption.decrypt(doc["encryptedField"])
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print(f"Decrypted document: {doc}")
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# Cleanup resources.
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await client_encryption.close()
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if __name__ == "__main__":
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asyncio.run(main())
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