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KmsKeyStore.java
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KmsKeyStore.java
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/*
* Copyright 2017-2023 Adobe.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.adobe.testing.s3mock.store;
import static java.util.regex.Pattern.compile;
import com.adobe.testing.s3mock.S3MockApplication;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.regex.Pattern;
/**
* Stores valid KMS key references for the {@link S3MockApplication}.
* KMS key references must be added in valid ARN format:
* "arn:aws:kms:region:acct-id:key/key-id"
* <a href="https://docs.aws.amazon.com/AmazonS3/latest/userguide/UsingKMSEncryption.html">API Reference</a>
*/
public record KmsKeyStore(
Map<String, String> kmsKeysIdToARN
) {
private static final Pattern VALID_KMS_KEY_ARN =
compile("arn:aws:kms:([a-zA-Z]+)-([a-zA-Z]+)-(\\d+):(\\d+):key/.*");
public KmsKeyStore(Set<String> validKmsKeys) {
this(new ConcurrentHashMap<>());
validKmsKeys.forEach(this::registerKMSKeyRef);
}
/**
* Register a valid KMS Key reference.
* KMS key references must be added in valid ARN format:
* "arn:aws:kms:region:acct-id:key/key-id"
*
* @param validKeyRef A KMS Key reference.
*/
public void registerKMSKeyRef(final String validKeyRef) {
if (VALID_KMS_KEY_ARN.matcher(validKeyRef).matches()) {
var kmsKey = validKeyRef.split("/");
kmsKeysIdToARN.put(kmsKey[1], validKeyRef);
}
}
/**
* Validate if the KMS key ID is valid.
*
* @param keyId A KMS ID reference.
*
* @return Returns true if the key ID is valid for this Mock instance.
*/
public boolean validateKeyId(final String keyId) {
return kmsKeysIdToARN.containsKey(keyId);
}
}