fixes

weed/s3api/filer_multipart.go

@@ -21,6 +21,8 @@ import (
 	"github.com/google/uuid"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
 
+	"net/http"
+
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
@@ -36,7 +38,7 @@ type InitiateMultipartUploadResult struct {
 	s3.CreateMultipartUploadOutput
 }
 
-func (s3a *S3ApiServer) createMultipartUpload(input *s3.CreateMultipartUploadInput) (output *InitiateMultipartUploadResult, code s3err.ErrorCode) {
+func (s3a *S3ApiServer) createMultipartUpload(r *http.Request, input *s3.CreateMultipartUploadInput) (output *InitiateMultipartUploadResult, code s3err.ErrorCode) {
 
 	glog.V(2).Infof("createMultipartUpload input %v", input)
 
@@ -55,6 +57,13 @@ func (s3a *S3ApiServer) createMultipartUpload(input *s3.CreateMultipartUploadInp
 		if input.ContentType != nil {
 			entry.Attributes.Mime = *input.ContentType
 		}
+
+		// Extract and store object lock metadata from request headers
+		// This ensures object lock settings from create_multipart_upload are preserved
+		if err := s3a.extractObjectLockMetadataFromRequest(r, entry); err != nil {
+			glog.Errorf("createMultipartUpload: failed to extract object lock metadata: %v", err)
+			// Don't fail the upload - this matches AWS behavior for invalid metadata
+		}
 	}); err != nil {
 		glog.Errorf("NewMultipartUpload error: %v", err)
 		return nil, s3err.ErrInternalError
@@ -73,7 +82,14 @@ func (s3a *S3ApiServer) createMultipartUpload(input *s3.CreateMultipartUploadInp
 
 type CompleteMultipartUploadResult struct {
 	XMLName  xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CompleteMultipartUploadResult"`
-	s3.CompleteMultipartUploadOutput
+	Location *string  `xml:"Location,omitempty"`
+	Bucket   *string  `xml:"Bucket,omitempty"`
+	Key      *string  `xml:"Key,omitempty"`
+	ETag     *string  `xml:"ETag,omitempty"`
+	// VersionId is NOT included in XML body - it should only be in x-amz-version-id HTTP header
+
+	// Store the VersionId internally for setting HTTP header, but don't marshal to XML
+	VersionId *string `xml:"-"`
 }
 
 func (s3a *S3ApiServer) completeMultipartUpload(input *s3.CompleteMultipartUploadInput, parts *CompleteMultipartUpload) (output *CompleteMultipartUploadResult, code s3err.ErrorCode) {
@@ -110,12 +126,10 @@ func (s3a *S3ApiServer) completeMultipartUpload(input *s3.CompleteMultipartUploa
 		if entry, _ := s3a.getEntry(dirName, entryName); entry != nil && entry.Extended != nil {
 			if uploadId, ok := entry.Extended[s3_constants.SeaweedFSUploadId]; ok && *input.UploadId == string(uploadId) {
 				return &CompleteMultipartUploadResult{
-					CompleteMultipartUploadOutput: s3.CompleteMultipartUploadOutput{
 					Location: aws.String(fmt.Sprintf("http://%s%s/%s", s3a.option.Filer.ToHttpAddress(), urlEscapeObject(dirName), urlPathEscape(entryName))),
 					Bucket:   input.Bucket,
 					ETag:     aws.String("\"" + filer.ETagChunks(entry.GetChunks()) + "\""),
 					Key:      objectKey(input.Key),
-					},
 				}, s3err.ErrNone
 			}
 		}
@@ -295,23 +309,19 @@ func (s3a *S3ApiServer) completeMultipartUpload(input *s3.CompleteMultipartUploa
 		}
 
 		output = &CompleteMultipartUploadResult{
-			CompleteMultipartUploadOutput: s3.CompleteMultipartUploadOutput{
 			Location:  aws.String(fmt.Sprintf("http://%s%s/%s", s3a.option.Filer.ToHttpAddress(), urlEscapeObject(dirName), urlPathEscape(entryName))),
 			Bucket:    input.Bucket,
 			ETag:      aws.String("\"" + filer.ETagChunks(finalParts) + "\""),
 			Key:       objectKey(input.Key),
 			VersionId: aws.String(versionId),
-			},
 		}
 	} else {
 		// For non-versioned buckets, return response without VersionId
 		output = &CompleteMultipartUploadResult{
-			CompleteMultipartUploadOutput: s3.CompleteMultipartUploadOutput{
 			Location: aws.String(fmt.Sprintf("http://%s%s/%s", s3a.option.Filer.ToHttpAddress(), urlEscapeObject(dirName), urlPathEscape(entryName))),
 			Bucket:   input.Bucket,
 			ETag:     aws.String("\"" + filer.ETagChunks(finalParts) + "\""),
 			Key:      objectKey(input.Key),
-			},
 		}
 	}
 

weed/s3api/s3api_object_handlers_multipart.go

@@ -14,6 +14,7 @@ import (
 	"github.com/aws/aws-sdk-go/service/s3"
 	"github.com/google/uuid"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
+	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
 	weed_server "github.com/seaweedfs/seaweedfs/weed/server"
@@ -37,6 +38,25 @@ func (s3a *S3ApiServer) NewMultipartUploadHandler(w http.ResponseWriter, r *http
 		return
 	}
 
+	// Check if versioning is enabled for the bucket (needed for object lock)
+	versioningEnabled, err := s3a.isVersioningEnabled(bucket)
+	if err != nil {
+		if err == filer_pb.ErrNotFound {
+			s3err.WriteErrorResponse(w, r, s3err.ErrNoSuchBucket)
+			return
+		}
+		glog.Errorf("Error checking versioning status for bucket %s: %v", bucket, err)
+		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
+		return
+	}
+
+	// Validate object lock headers before processing
+	if err := s3a.validateObjectLockHeaders(r, versioningEnabled); err != nil {
+		glog.V(2).Infof("NewMultipartUploadHandler: object lock header validation failed for bucket %s, object %s: %v", bucket, object, err)
+		s3err.WriteErrorResponse(w, r, mapValidationErrorToS3Error(err))
+		return
+	}
+
 	createMultipartUploadInput := &s3.CreateMultipartUploadInput{
 		Bucket:   aws.String(bucket),
 		Key:      objectKey(aws.String(object)),
@@ -52,7 +72,7 @@ func (s3a *S3ApiServer) NewMultipartUploadHandler(w http.ResponseWriter, r *http
 	if contentType != "" {
 		createMultipartUploadInput.ContentType = &contentType
 	}
-	response, errCode := s3a.createMultipartUpload(createMultipartUploadInput)
+	response, errCode := s3a.createMultipartUpload(r, createMultipartUploadInput)
 
 	glog.V(2).Info("NewMultipartUploadHandler", string(s3err.EncodeXMLResponse(response)), errCode)
 
@@ -103,8 +123,15 @@ func (s3a *S3ApiServer) CompleteMultipartUploadHandler(w http.ResponseWriter, r
 		s3err.WriteErrorResponse(w, r, errCode)
 		return
 	}
+
+	// Set version ID in HTTP header if present
+	if response.VersionId != nil {
+		w.Header().Set("x-amz-version-id", *response.VersionId)
+	}
+
 	stats_collect.RecordBucketActiveTime(bucket)
 	stats_collect.S3UploadedObjectsCounter.WithLabelValues(bucket).Inc()
+
 	writeSuccessResponseXML(w, r, response)
 
 }