Add support for SSE-KMS and bucket owner verification

CHANGELOG.md

@@ -27,6 +27,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Use QueryCoordinatorContext for the rewrite in validate API. ([#18272](https://github.com/opensearch-project/OpenSearch/pull/18272))
 - Upgrade crypto kms plugin dependencies for AWS SDK v2.x. ([#18268](https://github.com/opensearch-project/OpenSearch/pull/18268))
 - Add support for `matched_fields` with the unified highlighter ([#18164](https://github.com/opensearch-project/OpenSearch/issues/18164))
+- [repository-s3] Add support for SSE-KMS and S3 bucket owner verification ([#18312](https://github.com/opensearch-project/OpenSearch/pull/18312))
 
 ### Changed
 - Create generic DocRequest to better categorize ActionRequests ([#18269](https://github.com/opensearch-project/OpenSearch/pull/18269)))
@@ -51,6 +52,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Deprecated
 
 ### Removed
+- [repository-s3] Removed existing ineffective `server_side_encryption` setting ([#18312](https://github.com/opensearch-project/OpenSearch/pull/18312))
 
 ### Fixed
 - Fix simultaneously creating a snapshot and updating the repository can potentially trigger an infinite loop ([#17532](https://github.com/opensearch-project/OpenSearch/pull/17532))

plugins/repository-s3/src/main/java/org/opensearch/repositories/s3/S3BlobContainer.java

@@ -53,7 +53,6 @@
 import software.amazon.awssdk.services.s3.model.NoSuchKeyException;
 import software.amazon.awssdk.services.s3.model.ObjectAttributes;
 import software.amazon.awssdk.services.s3.model.PutObjectRequest;
-import software.amazon.awssdk.services.s3.model.ServerSideEncryption;
 import software.amazon.awssdk.services.s3.model.UploadPartRequest;
 import software.amazon.awssdk.services.s3.model.UploadPartResponse;
 import software.amazon.awssdk.services.s3.paginators.ListObjectsV2Iterable;
@@ -110,6 +109,7 @@
 import static org.opensearch.repositories.s3.S3Repository.MAX_FILE_SIZE;
 import static org.opensearch.repositories.s3.S3Repository.MAX_FILE_SIZE_USING_MULTIPART;
 import static org.opensearch.repositories.s3.S3Repository.MIN_PART_SIZE_USING_MULTIPART;
+import static org.opensearch.repositories.s3.utils.SseKmsUtil.configureEncryptionSettings;
 
 class S3BlobContainer extends AbstractBlobContainer implements AsyncMultiStreamBlobContainer {
 
@@ -129,7 +129,13 @@ public boolean blobExists(String blobName) {
         try (AmazonS3Reference clientReference = blobStore.clientReference()) {
             SocketAccess.doPrivileged(
                 () -> clientReference.get()
-                    .headObject(HeadObjectRequest.builder().bucket(blobStore.bucket()).key(buildKey(blobName)).build())
+                    .headObject(
+                        HeadObjectRequest.builder()
+                            .bucket(blobStore.bucket())
+                            .key(buildKey(blobName))
+                            .expectedBucketOwner(blobStore.expectedBucketOwner())
+                            .build()
+                    )
             );
             return true;
         } catch (NoSuchKeyException e) {
@@ -214,7 +220,12 @@ public void asyncBlobUpload(WriteContext writeContext, ActionListener<Void> comp
             writeContext.doRemoteDataIntegrityCheck(),
             writeContext.getExpectedChecksum(),
             blobStore.isUploadRetryEnabled(),
-            writeContext.getMetadata()
+            writeContext.getMetadata(),
+            blobStore.serverSideEncryptionType(),
+            blobStore.serverSideEncryptionKmsKey(),
+            blobStore.serverSideEncryptionBucketKey(),
+            blobStore.serverSideEncryptionEncryptionContext(),
+            blobStore.expectedBucketOwner()
         );
         try {
             // If file size is greater than the queue capacity than SizeBasedBlockingQ will always reject the upload.
@@ -498,6 +509,7 @@ private ListObjectsV2Request listObjectsRequest(String keyPath) {
             .prefix(keyPath)
             .delimiter("/")
             .overrideConfiguration(o -> o.addMetricPublisher(blobStore.getStatsMetricPublisher().listObjectsMetricPublisher))
+            .expectedBucketOwner(blobStore.expectedBucketOwner())
             .build();
     }
 
@@ -534,14 +546,13 @@ void executeSingleUpload(
             .contentLength(blobSize)
             .storageClass(blobStore.getStorageClass())
             .acl(blobStore.getCannedACL())
-            .overrideConfiguration(o -> o.addMetricPublisher(blobStore.getStatsMetricPublisher().putObjectMetricPublisher));
+            .overrideConfiguration(o -> o.addMetricPublisher(blobStore.getStatsMetricPublisher().putObjectMetricPublisher))
+            .expectedBucketOwner(blobStore.expectedBucketOwner());
 
         if (CollectionUtils.isNotEmpty(metadata)) {
             putObjectRequestBuilder = putObjectRequestBuilder.metadata(metadata);
         }
-        if (blobStore.serverSideEncryption()) {
-            putObjectRequestBuilder.serverSideEncryption(ServerSideEncryption.AES256);
-        }
+        configureEncryptionSettings(putObjectRequestBuilder, blobStore);
 
         PutObjectRequest putObjectRequest = putObjectRequestBuilder.build();
         try (AmazonS3Reference clientReference = blobStore.clientReference()) {
@@ -591,15 +602,14 @@ void executeMultipartUpload(
             .key(blobName)
             .storageClass(blobStore.getStorageClass())
             .acl(blobStore.getCannedACL())
-            .overrideConfiguration(o -> o.addMetricPublisher(blobStore.getStatsMetricPublisher().multipartUploadMetricCollector));
+            .overrideConfiguration(o -> o.addMetricPublisher(blobStore.getStatsMetricPublisher().multipartUploadMetricCollector))
+            .expectedBucketOwner(blobStore.expectedBucketOwner());
 
         if (CollectionUtils.isNotEmpty(metadata)) {
             createMultipartUploadRequestBuilder.metadata(metadata);
         }
 
-        if (blobStore.serverSideEncryption()) {
-            createMultipartUploadRequestBuilder.serverSideEncryption(ServerSideEncryption.AES256);
-        }
+        configureEncryptionSettings(createMultipartUploadRequestBuilder, blobStore);
 
         final InputStream requestInputStream;
         if (blobStore.isUploadRetryEnabled()) {
@@ -628,6 +638,7 @@ void executeMultipartUpload(
                     .partNumber(i)
                     .contentLength((i < nbParts) ? partSize : lastPartSize)
                     .overrideConfiguration(o -> o.addMetricPublisher(blobStore.getStatsMetricPublisher().multipartUploadMetricCollector))
+                    .expectedBucketOwner(blobStore.expectedBucketOwner())
                     .build();
 
                 bytesCount += uploadPartRequest.contentLength();
@@ -650,6 +661,7 @@ void executeMultipartUpload(
                 .uploadId(uploadId.get())
                 .multipartUpload(CompletedMultipartUpload.builder().parts(parts).build())
                 .overrideConfiguration(o -> o.addMetricPublisher(blobStore.getStatsMetricPublisher().multipartUploadMetricCollector))
+                .expectedBucketOwner(blobStore.expectedBucketOwner())
                 .build();
 
             SocketAccess.doPrivilegedVoid(() -> clientReference.get().completeMultipartUpload(completeMultipartUploadRequest));
@@ -663,6 +675,7 @@ void executeMultipartUpload(
                     .bucket(bucketName)
                     .key(blobName)
                     .uploadId(uploadId.get())
+                    .expectedBucketOwner(blobStore.expectedBucketOwner())
                     .build();
                 try (AmazonS3Reference clientReference = blobStore.clientReference()) {
                     SocketAccess.doPrivilegedVoid(() -> clientReference.get().abortMultipartUpload(abortRequest));
@@ -729,12 +742,14 @@ CompletableFuture<InputStreamContainer> getBlobPartInputStreamContainer(
         @Nullable Integer partNumber
     ) {
         final boolean isMultipartObject = partNumber != null;
-        final GetObjectRequest.Builder getObjectRequestBuilder = GetObjectRequest.builder().bucket(bucketName).key(blobKey);
+        final GetObjectRequest.Builder getObjectRequestBuilder = GetObjectRequest.builder()
+            .bucket(bucketName)
+            .key(blobKey)
+            .expectedBucketOwner(blobStore.expectedBucketOwner());
 
         if (isMultipartObject) {
             getObjectRequestBuilder.partNumber(partNumber);
         }
-
         return SocketAccess.doPrivileged(
             () -> s3AsyncClient.getObject(getObjectRequestBuilder.build(), AsyncResponseTransformer.toBlockingInputStream())
                 .thenApply(response -> transformResponseToInputStreamContainer(response, isMultipartObject))
@@ -775,6 +790,7 @@ CompletableFuture<GetObjectAttributesResponse> getBlobMetadata(S3AsyncClient s3A
             .bucket(bucketName)
             .key(blobName)
             .objectAttributes(ObjectAttributes.CHECKSUM, ObjectAttributes.OBJECT_SIZE, ObjectAttributes.OBJECT_PARTS)
+            .expectedBucketOwner(blobStore.expectedBucketOwner())
             .build();
 
         return SocketAccess.doPrivileged(() -> s3AsyncClient.getObjectAttributes(getObjectAttributesRequest));

plugins/repository-s3/src/main/java/org/opensearch/repositories/s3/S3BlobStore.java

@@ -48,6 +48,8 @@
 import org.opensearch.repositories.s3.async.SizeBasedBlockingQ;
 
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Locale;
@@ -57,9 +59,13 @@
 import static org.opensearch.repositories.s3.S3Repository.BUFFER_SIZE_SETTING;
 import static org.opensearch.repositories.s3.S3Repository.BULK_DELETE_SIZE;
 import static org.opensearch.repositories.s3.S3Repository.CANNED_ACL_SETTING;
+import static org.opensearch.repositories.s3.S3Repository.EXPECTED_BUCKET_OWNER_SETTING;
 import static org.opensearch.repositories.s3.S3Repository.PERMIT_BACKED_TRANSFER_ENABLED;
 import static org.opensearch.repositories.s3.S3Repository.REDIRECT_LARGE_S3_UPLOAD;
-import static org.opensearch.repositories.s3.S3Repository.SERVER_SIDE_ENCRYPTION_SETTING;
+import static org.opensearch.repositories.s3.S3Repository.SERVER_SIDE_ENCRYPTION_BUCKET_KEY_SETTING;
+import static org.opensearch.repositories.s3.S3Repository.SERVER_SIDE_ENCRYPTION_ENCRYPTION_CONTEXT_SETTING;
+import static org.opensearch.repositories.s3.S3Repository.SERVER_SIDE_ENCRYPTION_KMS_KEY_SETTING;
+import static org.opensearch.repositories.s3.S3Repository.SERVER_SIDE_ENCRYPTION_TYPE_SETTING;
 import static org.opensearch.repositories.s3.S3Repository.STORAGE_CLASS_SETTING;
 import static org.opensearch.repositories.s3.S3Repository.UPLOAD_RETRY_ENABLED;
 
@@ -81,7 +87,11 @@
 
     private volatile boolean permitBackedTransferEnabled;
 
-    private volatile boolean serverSideEncryption;
+    private volatile String serverSideEncryptionType;
+    private volatile String serverSideEncryptionKmsKey;
+    private volatile boolean serverSideEncryptionBucketKey;
+    private volatile String serverSideEncryptionEncryptionContext;
+    private volatile String expectedBucketOwner;
 
     private volatile ObjectCannedACL cannedACL;
 
@@ -107,7 +117,6 @@
         S3AsyncService s3AsyncService,
         boolean multipartUploadEnabled,
         String bucket,
-        boolean serverSideEncryption,
         ByteSizeValue bufferSize,
         String cannedACL,
         String storageClass,
@@ -119,13 +128,17 @@
         AsyncExecutorContainer normalExecutorBuilder,
         SizeBasedBlockingQ normalPrioritySizeBasedBlockingQ,
         SizeBasedBlockingQ lowPrioritySizeBasedBlockingQ,
-        GenericStatsMetricPublisher genericStatsMetricPublisher
+        GenericStatsMetricPublisher genericStatsMetricPublisher,
+        String serverSideEncryptionType,
+        String serverSideEncryptionKmsKey,
+        boolean serverSideEncryptionBucketKey,
+        String serverSideEncryptionEncryptionContext,
+        String expectedBucketOwner
     ) {
         this.service = service;
         this.s3AsyncService = s3AsyncService;
         this.multipartUploadEnabled = multipartUploadEnabled;
         this.bucket = bucket;
-        this.serverSideEncryption = serverSideEncryption;
         this.bufferSize = bufferSize;
         this.cannedACL = initCannedACL(cannedACL);
         this.storageClass = initStorageClass(storageClass);
@@ -142,20 +155,29 @@
         this.lowPrioritySizeBasedBlockingQ = lowPrioritySizeBasedBlockingQ;
         this.genericStatsMetricPublisher = genericStatsMetricPublisher;
         this.permitBackedTransferEnabled = PERMIT_BACKED_TRANSFER_ENABLED.get(repositoryMetadata.settings());
+        this.serverSideEncryptionType = serverSideEncryptionType;
+        this.serverSideEncryptionKmsKey = serverSideEncryptionKmsKey;
+        this.serverSideEncryptionBucketKey = serverSideEncryptionBucketKey;
+        this.serverSideEncryptionEncryptionContext = serverSideEncryptionEncryptionContext;
+        this.expectedBucketOwner = expectedBucketOwner;
     }
 
     @Override
     public void reload(RepositoryMetadata repositoryMetadata) {
         this.repositoryMetadata = repositoryMetadata;
         this.bucket = BUCKET_SETTING.get(repositoryMetadata.settings());
-        this.serverSideEncryption = SERVER_SIDE_ENCRYPTION_SETTING.get(repositoryMetadata.settings());
         this.bufferSize = BUFFER_SIZE_SETTING.get(repositoryMetadata.settings());
         this.cannedACL = initCannedACL(CANNED_ACL_SETTING.get(repositoryMetadata.settings()));
         this.storageClass = initStorageClass(STORAGE_CLASS_SETTING.get(repositoryMetadata.settings()));
         this.bulkDeletesSize = BULK_DELETE_SIZE.get(repositoryMetadata.settings());
         this.redirectLargeUploads = REDIRECT_LARGE_S3_UPLOAD.get(repositoryMetadata.settings());
         this.uploadRetryEnabled = UPLOAD_RETRY_ENABLED.get(repositoryMetadata.settings());
         this.permitBackedTransferEnabled = PERMIT_BACKED_TRANSFER_ENABLED.get(repositoryMetadata.settings());
+        this.serverSideEncryptionType = SERVER_SIDE_ENCRYPTION_TYPE_SETTING.get(repositoryMetadata.settings());
+        this.serverSideEncryptionKmsKey = SERVER_SIDE_ENCRYPTION_KMS_KEY_SETTING.get(repositoryMetadata.settings());
+        this.serverSideEncryptionBucketKey = SERVER_SIDE_ENCRYPTION_BUCKET_KEY_SETTING.get(repositoryMetadata.settings());
+        this.serverSideEncryptionEncryptionContext = SERVER_SIDE_ENCRYPTION_ENCRYPTION_CONTEXT_SETTING.get(repositoryMetadata.settings());
+        this.expectedBucketOwner = EXPECTED_BUCKET_OWNER_SETTING.get(repositoryMetadata.settings());
     }
 
     @Override
@@ -191,8 +213,33 @@
         return bucket;
     }
 
-    public boolean serverSideEncryption() {
-        return serverSideEncryption;
+    public String serverSideEncryptionType() {
+        return serverSideEncryptionType;
+    }
+
+    public String serverSideEncryptionKmsKey() {
+        return serverSideEncryptionKmsKey;
+    }
+
+    public boolean serverSideEncryptionBucketKey() {
+        return serverSideEncryptionBucketKey;
+    }
+
+    /**
+     * Returns the SSE encryption context base64 UTF8 encoded, as required by S3 SDK. If the encryption context is empty return
+     * null as the S3 client ignores null header values
+     */
+    public String serverSideEncryptionEncryptionContext() {
+        return serverSideEncryptionEncryptionContext.isEmpty()
+            ? null
+            : Base64.getEncoder().encodeToString(serverSideEncryptionEncryptionContext.getBytes(StandardCharsets.UTF_8));
+    }
+
+    /**
+     * Returns the expected bucket owner if set, else null as the S3 client ignores null header values
+     */
+    public String expectedBucketOwner() {
+        return expectedBucketOwner.isEmpty() ? null : expectedBucketOwner;
     }
 
     public long bufferSizeInBytes() {