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# Licensed to the StackStorm, Inc ('StackStorm') under one or more |
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# contributor license agreements. See the NOTICE file distributed with |
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# this work for additional information regarding copyright ownership. |
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# The ASF licenses this file to You under the Apache License, Version 2.0 |
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# (the "License"); you may not use this file except in compliance with |
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# the License. You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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from oslo_config import cfg |
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from st2common.services.keyvalues import KeyValueLookup |
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from st2common.util.crypto import read_crypto_key, symmetric_decrypt |
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__all__ = [ |
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'decrypt_kv' |
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] |
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def decrypt_kv(value): |
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if isinstance(value, KeyValueLookup): |
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# Since this is a filter the incoming value is still a KeyValueLookup |
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# object as the jinja rendering is not yet complete. So we cast |
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# the KeyValueLookup object to a simple string before decrypting. |
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value = str(value) |
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crypto_key_path = cfg.CONF.keyvalue.encryption_key_path |
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crypto_key = read_crypto_key(key_path=crypto_key_path) |
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return symmetric_decrypt(decrypt_key=crypto_key, ciphertext=value) |
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