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allowlist for copy request added #6352

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cce84bf
allowlist for copy request added
Fred1155 Aug 18, 2025
c103284
changelog added
Fred1155 Aug 18, 2025
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6 changes: 6 additions & 0 deletions .changes/next-release/bugfix-AWSSDKforJavav2-17f90b1.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
{
"type": "bugfix",
"category": "AWS SDK for Java v2",
"contributor": "",
"description": "Added allowlist when copying PutObjectRequest and CopyObjectRequest to transfer manager request"
}
152 changes: 135 additions & 17 deletions ...in/java/software/amazon/awssdk/services/s3/internal/multipart/SdkPojoConversionUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
import software.amazon.awssdk.annotations.SdkInternalApi;
import software.amazon.awssdk.core.SdkField;
import software.amazon.awssdk.core.SdkPojo;
import software.amazon.awssdk.core.exception.SdkClientException;
import software.amazon.awssdk.services.s3.model.AbortMultipartUploadRequest;
import software.amazon.awssdk.services.s3.model.ChecksumType;
import software.amazon.awssdk.services.s3.model.CompleteMultipartUploadRequest;
Expand Down Expand Up @@ -53,12 +54,104 @@ public final class SdkPojoConversionUtils {
new HashSet<>(Arrays.asList("ChecksumSHA1", "ChecksumSHA256", "ContentMD5", "ChecksumCRC32C", "ChecksumCRC32",
"ChecksumCRC64NVME", "ContentLength"));

private static final Set<String> PUT_OBJECT_TO_UPLOAD_PART_ALLOWED_FIELDS = new HashSet<>(Arrays.asList(
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How do we keep these allowlists up to date over time (ie, if/when there are service model updates that add new fields)? The PutObject to UploadPart translation uses an ignore list instead of allow list - is there a reason we choose allow rather than ignore for this?

"ACL",
"Bucket",
"CacheControl",
"ContentDisposition",
"ContentEncoding",
"ContentLanguage",
"ContentLength",
"ContentMD5",
"ContentType",
"ChecksumAlgorithm",
"ChecksumCRC32",
"ChecksumCRC32C",
"ChecksumCRC64NVME",
"ChecksumSHA1",
"ChecksumSHA256",
"Expires",
"IfMatch",
"IfNoneMatch",
"GrantFullControl",
"GrantRead",
"GrantReadACP",
"GrantWriteACP",
"Key",
"WriteOffsetBytes",
"Metadata",
"ServerSideEncryption",
"StorageClass",
"WebsiteRedirectLocation",
"SSECustomerAlgorithm",
"SSECustomerKey",
"SSECustomerKeyMD5",
"SSEKMSKeyId",
"SSEKMSEncryptionContext",
"BucketKeyEnabled",
"RequestPayer",
"Tagging",
"ObjectLockMode",
"ObjectLockRetainUntilDate",
"ObjectLockLegalHoldStatus",
"ExpectedBucketOwner"
));

private static final Set<String> COPY_OBJECT_TO_COPY_OBJECT_ALLOWED_FIELDS = new HashSet<>(Arrays.asList(
"ACL",
"CacheControl",
"ChecksumAlgorithm",
"ContentDisposition",
"ContentEncoding",
"ContentLanguage",
"ContentType",
"CopySource",
"CopySourceIfMatch",
"CopySourceIfModifiedSince",
"CopySourceIfNoneMatch",
"CopySourceIfUnmodifiedSince",
"CopySourceSSECustomerAlgorithm",
"CopySourceSSECustomerKey",
"CopySourceSSECustomerKeyMD5",
"DestinationBucket",
"DestinationKey",
"Expires",
"GrantFullControl",
"GrantRead",
"GrantReadACP",
"GrantWriteACP",
"Metadata",
"MetadataDirective",
"TaggingDirective",
"ServerSideEncryption",
"SourceBucket",
"SourceKey",
"SourceVersionId",
"StorageClass",
"WebsiteRedirectLocation",
"SSECustomerAlgorithm",
"SSECustomerKey",
"SSECustomerKeyMD5",
"SSEKMSKeyId",
"SSEKMSEncryptionContext",
"BucketKeyEnabled",
"RequestPayer",
"Tagging",
"ObjectLockMode",
"ObjectLockRetainUntilDate",
"ObjectLockLegalHoldStatus",
"ExpectedBucketOwner",
"ExpectedSourceBucketOwner"
));


private SdkPojoConversionUtils() {
}

public static UploadPartRequest toUploadPartRequest(PutObjectRequest putObjectRequest, int partNumber, String uploadId) {

UploadPartRequest.Builder builder = UploadPartRequest.builder();
validateRequestFields(putObjectRequest, PUT_OBJECT_TO_UPLOAD_PART_ALLOWED_FIELDS);
setSdkFields(builder, putObjectRequest, PUT_OBJECT_REQUEST_TO_UPLOAD_PART_FIELDS_TO_IGNORE);
return builder.uploadId(uploadId).partNumber(partNumber).build();
}
Expand All @@ -67,6 +160,7 @@ public static CompleteMultipartUploadRequest toCompleteMultipartUploadRequest(Pu
String uploadId, CompletedPart[] parts,
long contentLength) {
CompleteMultipartUploadRequest.Builder builder = CompleteMultipartUploadRequest.builder();
validateRequestFields(putObjectRequest, PUT_OBJECT_TO_UPLOAD_PART_ALLOWED_FIELDS);
setSdkFields(builder, putObjectRequest);

builder.mpuObjectSize(contentLength);
Expand All @@ -81,6 +175,7 @@ public static CompleteMultipartUploadRequest toCompleteMultipartUploadRequest(Pu
public static CreateMultipartUploadRequest toCreateMultipartUploadRequest(PutObjectRequest putObjectRequest) {

CreateMultipartUploadRequest.Builder builder = CreateMultipartUploadRequest.builder();
validateRequestFields(putObjectRequest, PUT_OBJECT_TO_UPLOAD_PART_ALLOWED_FIELDS);
setSdkFields(builder, putObjectRequest);

if (S3ChecksumUtils.checksumValueSpecified(putObjectRequest)) {
Expand Down Expand Up @@ -130,29 +225,14 @@ public static CompletedPart toCompletedPart(Part part) {

public static ListPartsRequest toListPartsRequest(String uploadId, PutObjectRequest putObjectRequest) {
ListPartsRequest.Builder builder = ListPartsRequest.builder();
validateRequestFields(putObjectRequest, PUT_OBJECT_TO_UPLOAD_PART_ALLOWED_FIELDS);
setSdkFields(builder, putObjectRequest);
return builder.uploadId(uploadId).build();
}

private static void setSdkFields(SdkPojo targetBuilder, SdkPojo sourceObject) {
setSdkFields(targetBuilder, sourceObject, new HashSet<>());
}

private static void setSdkFields(SdkPojo targetBuilder, SdkPojo sourceObject, Set<String> fieldsToIgnore) {
Map<String, Object> sourceFields = retrieveSdkFields(sourceObject, sourceObject.sdkFields());
List<SdkField<?>> targetSdkFields = targetBuilder.sdkFields();

for (SdkField<?> field : targetSdkFields) {
if (fieldsToIgnore.contains(field.memberName())) {
continue;
}
field.set(targetBuilder, sourceFields.getOrDefault(field.memberName(), null));
}
}

public static CreateMultipartUploadRequest toCreateMultipartUploadRequest(CopyObjectRequest copyObjectRequest) {
CreateMultipartUploadRequest.Builder builder = CreateMultipartUploadRequest.builder();

validateRequestFields(copyObjectRequest, COPY_OBJECT_TO_COPY_OBJECT_ALLOWED_FIELDS);
setSdkFields(builder, copyObjectRequest);
builder.bucket(copyObjectRequest.destinationBucket());
builder.key(copyObjectRequest.destinationKey());
Expand Down Expand Up @@ -180,6 +260,7 @@ private static CopyObjectResult toCopyObjectResult(CompleteMultipartUploadRespon

public static AbortMultipartUploadRequest.Builder toAbortMultipartUploadRequest(CopyObjectRequest copyObjectRequest) {
AbortMultipartUploadRequest.Builder builder = AbortMultipartUploadRequest.builder();
validateRequestFields(copyObjectRequest, COPY_OBJECT_TO_COPY_OBJECT_ALLOWED_FIELDS);
setSdkFields(builder, copyObjectRequest);
builder.bucket(copyObjectRequest.destinationBucket());
builder.key(copyObjectRequest.destinationKey());
Expand All @@ -188,6 +269,7 @@ public static AbortMultipartUploadRequest.Builder toAbortMultipartUploadRequest(

public static AbortMultipartUploadRequest.Builder toAbortMultipartUploadRequest(PutObjectRequest putObjectRequest) {
AbortMultipartUploadRequest.Builder builder = AbortMultipartUploadRequest.builder();
validateRequestFields(putObjectRequest, PUT_OBJECT_TO_UPLOAD_PART_ALLOWED_FIELDS);
setSdkFields(builder, putObjectRequest);
return builder;
}
Expand Down Expand Up @@ -225,4 +307,40 @@ private static Map<String, Object> retrieveSdkFields(SdkPojo sourceObject, List<
field.getValueOrDefault(sourceObject)),
Map::putAll);
}

private static void setSdkFields(SdkPojo targetBuilder, SdkPojo sourceObject) {
setSdkFields(targetBuilder, sourceObject, new HashSet<>());
}

private static void setSdkFields(SdkPojo targetBuilder, SdkPojo sourceObject, Set<String> fieldsToIgnore) {
Map<String, Object> sourceFields = retrieveSdkFields(sourceObject, sourceObject.sdkFields());
List<SdkField<?>> targetSdkFields = targetBuilder.sdkFields();

for (SdkField<?> field : targetSdkFields) {
if (fieldsToIgnore.contains(field.memberName())) {
continue;
}
field.set(targetBuilder, sourceFields.getOrDefault(field.memberName(), null));
}
}

private static void validateRequestFields(SdkPojo sourceObject, Set<String> allowedFields) {
Set<String> invalidFields = new HashSet<>();

for (SdkField<?> sourceField : sourceObject.sdkFields()) {
String fieldName = sourceField.memberName();
Object rawValue = sourceField.getValueOrDefault(sourceObject);

if (rawValue != null && !allowedFields.contains(fieldName)) {
invalidFields.add(fieldName);
}
}

if (!invalidFields.isEmpty()) {
throw SdkClientException.create(
String.format("The following fields are not allowed: %s",
String.join(", ", invalidFields))
);
}
}
}
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