fix: standardize Backend interface args for s3 types

2026-01-03 10:35:15 +00:00 · 2023-07-22 22:23:58 -07:00
parent daa4aa1510
commit 2291c22eaa
8 changed files with 618 additions and 629 deletions
--- a/backend/backend.go
+++ b/backend/backend.go
@@ -19,7 +19,6 @@ import (
 	"io"

 	"github.com/aws/aws-sdk-go-v2/service/s3"
-	"github.com/aws/aws-sdk-go-v2/service/s3/types"
 	"github.com/versity/versitygw/s3err"
 	"github.com/versity/versitygw/s3response"
 )
@@ -29,33 +28,33 @@ type Backend interface {
 	fmt.Stringer
 	Shutdown()

-	ListBuckets() (s3response.ListAllMyBucketsResult, error)
-	HeadBucket(bucket string) (*s3.HeadBucketOutput, error)
-	GetBucketAcl(bucket string) ([]byte, error)
-	PutBucket(bucket, owner string) error
+	ListBuckets(owner string, isRoot bool) (s3response.ListAllMyBucketsResult, error)
+	HeadBucket(*s3.HeadBucketInput) (*s3.HeadBucketOutput, error)
+	GetBucketAcl(*s3.GetBucketAclInput) ([]byte, error)
+	CreateBucket(*s3.CreateBucketInput) error
 	PutBucketAcl(bucket string, data []byte) error
-	DeleteBucket(bucket string) error
+	DeleteBucket(*s3.DeleteBucketInput) error

 	CreateMultipartUpload(*s3.CreateMultipartUploadInput) (*s3.CreateMultipartUploadOutput, error)
-	CompleteMultipartUpload(bucket, object, uploadID string, parts []types.Part) (*s3.CompleteMultipartUploadOutput, error)
+	CompleteMultipartUpload(*s3.CompleteMultipartUploadInput) (*s3.CompleteMultipartUploadOutput, error)
 	AbortMultipartUpload(*s3.AbortMultipartUploadInput) error
 	ListMultipartUploads(*s3.ListMultipartUploadsInput) (s3response.ListMultipartUploadsResponse, error)
-	ListObjectParts(bucket, object, uploadID string, partNumberMarker int, maxParts int) (s3response.ListPartsResponse, error)
-	PutObjectPart(bucket, object, uploadID string, part int, length int64, r io.Reader) (etag string, err error)
+	ListParts(*s3.ListPartsInput) (s3response.ListPartsResponse, error)
+	UploadPart(*s3.UploadPartInput) (etag string, err error)
 	UploadPartCopy(*s3.UploadPartCopyInput) (s3response.CopyObjectResult, error)

 	PutObject(*s3.PutObjectInput) (string, error)
-	HeadObject(bucket, object string) (*s3.HeadObjectOutput, error)
-	GetObject(bucket, object, acceptRange string, writer io.Writer) (*s3.GetObjectOutput, error)
-	GetObjectAcl(bucket, object string) (*s3.GetObjectAclOutput, error)
-	GetObjectAttributes(bucket, object string, attributes []string) (*s3.GetObjectAttributesOutput, error)
-	CopyObject(srcBucket, srcObject, dstBucket, dstObject string) (*s3.CopyObjectOutput, error)
-	ListObjects(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsOutput, error)
-	ListObjectsV2(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsV2Output, error)
-	DeleteObject(bucket, object string) error
-	DeleteObjects(bucket string, objects *s3.DeleteObjectsInput) error
+	HeadObject(*s3.HeadObjectInput) (*s3.HeadObjectOutput, error)
+	GetObject(*s3.GetObjectInput, io.Writer) (*s3.GetObjectOutput, error)
+	GetObjectAcl(*s3.GetObjectAclInput) (*s3.GetObjectAclOutput, error)
+	GetObjectAttributes(*s3.GetObjectAttributesInput) (*s3.GetObjectAttributesOutput, error)
+	CopyObject(*s3.CopyObjectInput) (*s3.CopyObjectOutput, error)
+	ListObjects(*s3.ListObjectsInput) (*s3.ListObjectsOutput, error)
+	ListObjectsV2(*s3.ListObjectsV2Input) (*s3.ListObjectsV2Output, error)
+	DeleteObject(*s3.DeleteObjectInput) error
+	DeleteObjects(*s3.DeleteObjectsInput) error
 	PutObjectAcl(*s3.PutObjectAclInput) error
-	RestoreObject(bucket, object string, restoreRequest *s3.RestoreObjectInput) error
+	RestoreObject(*s3.RestoreObjectInput) error

 	GetTags(bucket, object string) (map[string]string, error)
 	SetTags(bucket, object string, tags map[string]string) error
@@ -73,7 +72,7 @@ func (BackendUnsupported) Shutdown() {}
 func (BackendUnsupported) String() string {
 	return "Unsupported"
 }
-func (BackendUnsupported) ListBuckets() (s3response.ListAllMyBucketsResult, error) {
+func (BackendUnsupported) ListBuckets(string, bool) (s3response.ListAllMyBucketsResult, error) {
 	return s3response.ListAllMyBucketsResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
 func (BackendUnsupported) PutBucketAcl(bucket string, data []byte) error {
@@ -82,72 +81,72 @@ func (BackendUnsupported) PutBucketAcl(bucket string, data []byte) error {
 func (BackendUnsupported) PutObjectAcl(*s3.PutObjectAclInput) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) RestoreObject(bucket, object string, restoreRequest *s3.RestoreObjectInput) error {
+func (BackendUnsupported) RestoreObject(*s3.RestoreObjectInput) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
 func (BackendUnsupported) UploadPartCopy(*s3.UploadPartCopyInput) (s3response.CopyObjectResult, error) {
 	return s3response.CopyObjectResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) GetBucketAcl(bucket string) ([]byte, error) {
+func (BackendUnsupported) GetBucketAcl(*s3.GetBucketAclInput) ([]byte, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) HeadBucket(bucket string) (*s3.HeadBucketOutput, error) {
+func (BackendUnsupported) HeadBucket(*s3.HeadBucketInput) (*s3.HeadBucketOutput, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) PutBucket(bucket, owner string) error {
+func (BackendUnsupported) CreateBucket(*s3.CreateBucketInput) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) DeleteBucket(bucket string) error {
+func (BackendUnsupported) DeleteBucket(*s3.DeleteBucketInput) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }

-func (BackendUnsupported) CreateMultipartUpload(input *s3.CreateMultipartUploadInput) (*s3.CreateMultipartUploadOutput, error) {
+func (BackendUnsupported) CreateMultipartUpload(*s3.CreateMultipartUploadInput) (*s3.CreateMultipartUploadOutput, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) CompleteMultipartUpload(bucket, object, uploadID string, parts []types.Part) (*s3.CompleteMultipartUploadOutput, error) {
+func (BackendUnsupported) CompleteMultipartUpload(*s3.CompleteMultipartUploadInput) (*s3.CompleteMultipartUploadOutput, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) AbortMultipartUpload(input *s3.AbortMultipartUploadInput) error {
+func (BackendUnsupported) AbortMultipartUpload(*s3.AbortMultipartUploadInput) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) ListMultipartUploads(output *s3.ListMultipartUploadsInput) (s3response.ListMultipartUploadsResponse, error) {
+func (BackendUnsupported) ListMultipartUploads(*s3.ListMultipartUploadsInput) (s3response.ListMultipartUploadsResponse, error) {
 	return s3response.ListMultipartUploadsResponse{}, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) ListObjectParts(bucket, object, uploadID string, partNumberMarker int, maxParts int) (s3response.ListPartsResponse, error) {
+func (BackendUnsupported) ListParts(*s3.ListPartsInput) (s3response.ListPartsResponse, error) {
 	return s3response.ListPartsResponse{}, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) PutObjectPart(bucket, object, uploadID string, part int, length int64, r io.Reader) (etag string, err error) {
+func (BackendUnsupported) UploadPart(*s3.UploadPartInput) (etag string, err error) {
 	return "", s3err.GetAPIError(s3err.ErrNotImplemented)
 }

 func (BackendUnsupported) PutObject(*s3.PutObjectInput) (string, error) {
 	return "", s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) DeleteObject(bucket, object string) error {
+func (BackendUnsupported) DeleteObject(*s3.DeleteObjectInput) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) DeleteObjects(bucket string, objects *s3.DeleteObjectsInput) error {
+func (BackendUnsupported) DeleteObjects(*s3.DeleteObjectsInput) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) GetObject(bucket, object, acceptRange string, writer io.Writer) (*s3.GetObjectOutput, error) {
+func (BackendUnsupported) GetObject(*s3.GetObjectInput, io.Writer) (*s3.GetObjectOutput, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) HeadObject(bucket, object string) (*s3.HeadObjectOutput, error) {
+func (BackendUnsupported) HeadObject(*s3.HeadObjectInput) (*s3.HeadObjectOutput, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) GetObjectAcl(bucket, object string) (*s3.GetObjectAclOutput, error) {
+func (BackendUnsupported) GetObjectAcl(*s3.GetObjectAclInput) (*s3.GetObjectAclOutput, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) GetObjectAttributes(bucket, object string, attributes []string) (*s3.GetObjectAttributesOutput, error) {
+func (BackendUnsupported) GetObjectAttributes(*s3.GetObjectAttributesInput) (*s3.GetObjectAttributesOutput, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) CopyObject(srcBucket, srcObject, DstBucket, dstObject string) (*s3.CopyObjectOutput, error) {
+func (BackendUnsupported) CopyObject(*s3.CopyObjectInput) (*s3.CopyObjectOutput, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) ListObjects(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsOutput, error) {
+func (BackendUnsupported) ListObjects(*s3.ListObjectsInput) (*s3.ListObjectsOutput, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) ListObjectsV2(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsV2Output, error) {
+func (BackendUnsupported) ListObjectsV2(*s3.ListObjectsV2Input) (*s3.ListObjectsV2Output, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }

--- a/backend/common.go
+++ b/backend/common.go
@@ -99,7 +99,7 @@ func ParseRange(file fs.FileInfo, acceptRange string) (int64, int64, error) {
 	return startOffset, endOffset - startOffset + 1, nil
 }

-func GetMultipartMD5(parts []types.Part) string {
+func GetMultipartMD5(parts []types.CompletedPart) string {
 	var partsEtagBytes []byte
 	for _, part := range parts {
 		partsEtagBytes = append(partsEtagBytes, getEtagBytes(*part.ETag)...)
--- a/backend/posix/posix.go
+++ b/backend/posix/posix.go
@@ -96,7 +96,7 @@ func (p *Posix) String() string {
 	return "Posix Gateway"
 }

-func (p *Posix) ListBuckets() (s3response.ListAllMyBucketsResult, error) {
+func (p *Posix) ListBuckets(owner string, isRoot bool) (s3response.ListAllMyBucketsResult, error) {
 	entries, err := os.ReadDir(".")
 	if err != nil {
 		return s3response.ListAllMyBucketsResult{},
@@ -131,8 +131,8 @@ func (p *Posix) ListBuckets() (s3response.ListAllMyBucketsResult, error) {
 	}, nil
 }

-func (p *Posix) HeadBucket(bucket string) (*s3.HeadBucketOutput, error) {
-	_, err := os.Lstat(bucket)
+func (p *Posix) HeadBucket(input *s3.HeadBucketInput) (*s3.HeadBucketOutput, error) {
+	_, err := os.Lstat(*input.Bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
 	}
@@ -143,7 +143,10 @@ func (p *Posix) HeadBucket(bucket string) (*s3.HeadBucketOutput, error) {
 	return &s3.HeadBucketOutput{}, nil
 }

-func (p *Posix) PutBucket(bucket string, owner string) error {
+func (p *Posix) CreateBucket(input *s3.CreateBucketInput) error {
+	bucket := *input.Bucket
+	owner := string(input.ObjectOwnership)
+
 	err := os.Mkdir(bucket, 0777)
 	if err != nil && os.IsExist(err) {
 		return s3err.GetAPIError(s3err.ErrBucketAlreadyExists)
@@ -165,8 +168,8 @@ func (p *Posix) PutBucket(bucket string, owner string) error {
 	return nil
 }

-func (p *Posix) DeleteBucket(bucket string) error {
-	names, err := os.ReadDir(bucket)
+func (p *Posix) DeleteBucket(input *s3.DeleteBucketInput) error {
+	names, err := os.ReadDir(*input.Bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return s3err.GetAPIError(s3err.ErrNoSuchBucket)
 	}
@@ -177,13 +180,13 @@ func (p *Posix) DeleteBucket(bucket string) error {
 	if len(names) == 1 && names[0].Name() == metaTmpDir {
 		// if .sgwtmp is only item in directory
 		// then clean this up before trying to remove the bucket
-		err = os.RemoveAll(filepath.Join(bucket, metaTmpDir))
+		err = os.RemoveAll(filepath.Join(*input.Bucket, metaTmpDir))
 		if err != nil && !errors.Is(err, fs.ErrNotExist) {
 			return fmt.Errorf("remove temp dir: %w", err)
 		}
 	}

-	err = os.Remove(bucket)
+	err = os.Remove(*input.Bucket)
 	if err != nil && err.(*os.PathError).Err == syscall.ENOTEMPTY {
 		return s3err.GetAPIError(s3err.ErrBucketNotEmpty)
 	}
@@ -245,7 +248,12 @@ func (p *Posix) CreateMultipartUpload(mpu *s3.CreateMultipartUploadInput) (*s3.C
 	}, nil
 }

-func (p *Posix) CompleteMultipartUpload(bucket, object, uploadID string, parts []types.Part) (*s3.CompleteMultipartUploadOutput, error) {
+func (p *Posix) CompleteMultipartUpload(input *s3.CompleteMultipartUploadInput) (*s3.CompleteMultipartUploadOutput, error) {
+	bucket := *input.Bucket
+	object := *input.Key
+	uploadID := *input.UploadId
+	parts := input.MultipartUpload.Parts
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -611,8 +619,24 @@ func (p *Posix) ListMultipartUploads(mpu *s3.ListMultipartUploadsInput) (s3respo
 	}, nil
 }

-func (p *Posix) ListObjectParts(bucket, object, uploadID string, partNumberMarker int, maxParts int) (s3response.ListPartsResponse, error) {
+func (p *Posix) ListParts(input *s3.ListPartsInput) (s3response.ListPartsResponse, error) {
+	bucket := *input.Bucket
+	object := *input.Key
+	uploadID := *input.UploadId
+	stringMarker := *input.PartNumberMarker
+	maxParts := int(input.MaxParts)
+
 	var lpr s3response.ListPartsResponse
+
+	var partNumberMarker int
+	if stringMarker != "" {
+		var err error
+		partNumberMarker, err = strconv.Atoi(stringMarker)
+		if err != nil {
+			return lpr, s3err.GetAPIError(s3err.ErrInvalidPartNumberMarker)
+		}
+	}
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return lpr, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -693,7 +717,14 @@ func (p *Posix) ListObjectParts(bucket, object, uploadID string, partNumberMarke
 	}, nil
 }

-func (p *Posix) PutObjectPart(bucket, object, uploadID string, part int, length int64, r io.Reader) (string, error) {
+func (p *Posix) UploadPart(input *s3.UploadPartInput) (string, error) {
+	bucket := *input.Bucket
+	object := *input.Key
+	uploadID := *input.UploadId
+	part := input.PartNumber
+	length := input.ContentLength
+	r := input.Body
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return "", s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -912,7 +943,10 @@ func (p *Posix) PutObject(po *s3.PutObjectInput) (string, error) {
 	return etag, nil
 }

-func (p *Posix) DeleteObject(bucket, object string) error {
+func (p *Posix) DeleteObject(input *s3.DeleteObjectInput) error {
+	bucket := *input.Bucket
+	object := *input.Key
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -966,10 +1000,13 @@ func (p *Posix) removeParents(bucket, object string) error {
 	return nil
 }

-func (p *Posix) DeleteObjects(bucket string, objects *s3.DeleteObjectsInput) error {
+func (p *Posix) DeleteObjects(input *s3.DeleteObjectsInput) error {
 	// delete object already checks bucket
-	for _, obj := range objects.Delete.Objects {
-		err := p.DeleteObject(bucket, *obj.Key)
+	for _, obj := range input.Delete.Objects {
+		err := p.DeleteObject(&s3.DeleteObjectInput{
+			Bucket: input.Bucket,
+			Key:    obj.Key,
+		})
 		if err != nil {
 			return err
 		}
@@ -978,7 +1015,11 @@ func (p *Posix) DeleteObjects(bucket string, objects *s3.DeleteObjectsInput) err
 	return nil
 }

-func (p *Posix) GetObject(bucket, object, acceptRange string, writer io.Writer) (*s3.GetObjectOutput, error) {
+func (p *Posix) GetObject(input *s3.GetObjectInput, writer io.Writer) (*s3.GetObjectOutput, error) {
+	bucket := *input.Bucket
+	object := *input.Key
+	acceptRange := *input.Range
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -1051,7 +1092,10 @@ func (p *Posix) GetObject(bucket, object, acceptRange string, writer io.Writer)
 	}, nil
 }

-func (p *Posix) HeadObject(bucket, object string) (*s3.HeadObjectOutput, error) {
+func (p *Posix) HeadObject(input *s3.HeadObjectInput) (*s3.HeadObjectOutput, error) {
+	bucket := *input.Bucket
+	object := *input.Key
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -1088,7 +1132,14 @@ func (p *Posix) HeadObject(bucket, object string) (*s3.HeadObjectOutput, error)
 	}, nil
 }

-func (p *Posix) CopyObject(srcBucket, srcObject, dstBucket, dstObject string) (*s3.CopyObjectOutput, error) {
+func (p *Posix) CopyObject(input *s3.CopyObjectInput) (*s3.CopyObjectOutput, error) {
+	srcBucket, srcObject, ok := strings.Cut(*input.CopySource, "/")
+	if !ok {
+		return nil, s3err.GetAPIError(s3err.ErrInvalidCopySource)
+	}
+	dstBucket := *input.Bucket
+	dstObject := *input.Key
+
 	_, err := os.Stat(srcBucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -1138,7 +1189,13 @@ func (p *Posix) CopyObject(srcBucket, srcObject, dstBucket, dstObject string) (*
 	}, nil
 }

-func (p *Posix) ListObjects(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsOutput, error) {
+func (p *Posix) ListObjects(input *s3.ListObjectsInput) (*s3.ListObjectsOutput, error) {
+	bucket := *input.Bucket
+	prefix := *input.Prefix
+	marker := *input.Marker
+	delim := *input.Delimiter
+	maxkeys := input.MaxKeys
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -1160,7 +1217,7 @@ func (p *Posix) ListObjects(bucket, prefix, marker, delim string, maxkeys int) (
 		Delimiter:      &delim,
 		IsTruncated:    results.Truncated,
 		Marker:         &marker,
-		MaxKeys:        int32(maxkeys),
+		MaxKeys:        maxkeys,
 		Name:           &bucket,
 		NextMarker:     &results.NextMarker,
 		Prefix:         &prefix,
@@ -1228,7 +1285,13 @@ func fileToObj(bucket string) backend.GetObjFunc {
 	}
 }

-func (p *Posix) ListObjectsV2(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsV2Output, error) {
+func (p *Posix) ListObjectsV2(input *s3.ListObjectsV2Input) (*s3.ListObjectsV2Output, error) {
+	bucket := *input.Bucket
+	prefix := *input.Prefix
+	marker := *input.ContinuationToken
+	delim := *input.Delimiter
+	maxkeys := input.MaxKeys
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -1238,7 +1301,7 @@ func (p *Posix) ListObjectsV2(bucket, prefix, marker, delim string, maxkeys int)
 	}

 	fileSystem := os.DirFS(bucket)
-	results, err := backend.Walk(fileSystem, prefix, delim, marker, maxkeys,
+	results, err := backend.Walk(fileSystem, prefix, delim, marker, int32(maxkeys),
 		fileToObj(bucket), []string{metaTmpDir})
 	if err != nil {
 		return nil, fmt.Errorf("walk %v: %w", bucket, err)
@@ -1273,8 +1336,8 @@ func (p *Posix) PutBucketAcl(bucket string, data []byte) error {
 	return nil
 }

-func (p *Posix) GetBucketAcl(bucket string) ([]byte, error) {
-	_, err := os.Stat(bucket)
+func (p *Posix) GetBucketAcl(input *s3.GetBucketAclInput) ([]byte, error) {
+	_, err := os.Stat(*input.Bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
 	}
@@ -1282,7 +1345,7 @@ func (p *Posix) GetBucketAcl(bucket string) ([]byte, error) {
 		return nil, fmt.Errorf("stat bucket: %w", err)
 	}

-	b, err := xattr.Get(bucket, aclkey)
+	b, err := xattr.Get(*input.Bucket, aclkey)
 	if isNoAttr(err) {
 		return []byte{}, nil
 	}
--- a/backend/scoutfs/scoutfs.go
+++ b/backend/scoutfs/scoutfs.go
@@ -114,7 +114,12 @@ func (*ScoutFS) String() string {
 // CompleteMultipartUpload scoutfs complete upload uses scoutfs move blocks
 // ioctl to not have to read and copy the part data to the final object. This
 // saves a read and write cycle for all mutlipart uploads.
-func (s *ScoutFS) CompleteMultipartUpload(bucket, object, uploadID string, parts []types.Part) (*s3.CompleteMultipartUploadOutput, error) {
+func (s *ScoutFS) CompleteMultipartUpload(input *s3.CompleteMultipartUploadInput) (*s3.CompleteMultipartUploadOutput, error) {
+	bucket := *input.Bucket
+	object := *input.Key
+	uploadID := *input.UploadId
+	parts := input.MultipartUpload.Parts
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -347,7 +352,10 @@ func mkdirAll(path string, perm os.FileMode, bucket, object string) error {
 	return nil
 }

-func (s *ScoutFS) HeadObject(bucket, object string) (*s3.HeadObjectOutput, error) {
+func (s *ScoutFS) HeadObject(input *s3.HeadObjectInput) (*s3.HeadObjectOutput, error) {
+	bucket := *input.Bucket
+	object := *input.Key
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -417,7 +425,11 @@ func (s *ScoutFS) HeadObject(bucket, object string) (*s3.HeadObjectOutput, error
 	}, nil
 }

-func (s *ScoutFS) GetObject(bucket, object, acceptRange string, writer io.Writer) (*s3.GetObjectOutput, error) {
+func (s *ScoutFS) GetObject(input *s3.GetObjectInput, writer io.Writer) (*s3.GetObjectOutput, error) {
+	bucket := *input.Bucket
+	object := *input.Key
+	acceptRange := *input.Range
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -527,7 +539,13 @@ func (s *ScoutFS) getXattrTags(bucket, object string) (map[string]string, error)
 	return tags, nil
 }

-func (s *ScoutFS) ListObjects(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsOutput, error) {
+func (s *ScoutFS) ListObjects(input *s3.ListObjectsInput) (*s3.ListObjectsOutput, error) {
+	bucket := *input.Bucket
+	prefix := *input.Prefix
+	marker := *input.Marker
+	delim := *input.Delimiter
+	maxkeys := input.MaxKeys
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -549,14 +567,20 @@ func (s *ScoutFS) ListObjects(bucket, prefix, marker, delim string, maxkeys int)
 		Delimiter:      &delim,
 		IsTruncated:    results.Truncated,
 		Marker:         &marker,
-		MaxKeys:        int32(maxkeys),
+		MaxKeys:        maxkeys,
 		Name:           &bucket,
 		NextMarker:     &results.NextMarker,
 		Prefix:         &prefix,
 	}, nil
 }

-func (s *ScoutFS) ListObjectsV2(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsV2Output, error) {
+func (s *ScoutFS) ListObjectsV2(input *s3.ListObjectsV2Input) (*s3.ListObjectsV2Output, error) {
+	bucket := *input.Bucket
+	prefix := *input.Prefix
+	marker := *input.ContinuationToken
+	delim := *input.Delimiter
+	maxkeys := input.MaxKeys
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -566,7 +590,7 @@ func (s *ScoutFS) ListObjectsV2(bucket, prefix, marker, delim string, maxkeys in
 	}

 	fileSystem := os.DirFS(bucket)
-	results, err := backend.Walk(fileSystem, prefix, delim, marker, maxkeys,
+	results, err := backend.Walk(fileSystem, prefix, delim, marker, int32(maxkeys),
 		s.fileToObj(bucket), []string{metaTmpDir})
 	if err != nil {
 		return nil, fmt.Errorf("walk %v: %w", bucket, err)
@@ -663,7 +687,10 @@ func (s *ScoutFS) fileToObj(bucket string) backend.GetObjFunc {

 // RestoreObject will set stage request on file if offline and do nothing if
 // file is online
-func (s *ScoutFS) RestoreObject(bucket, object string, restoreRequest *s3.RestoreObjectInput) error {
+func (s *ScoutFS) RestoreObject(input *s3.RestoreObjectInput) error {
+	bucket := *input.Bucket
+	object := *input.Key
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return s3err.GetAPIError(s3err.ErrNoSuchBucket)
--- a/backend/walk.go
+++ b/backend/walk.go
@@ -38,7 +38,7 @@ var ErrSkipObj = errors.New("skip this object")

 // Walk walks the supplied fs.FS and returns results compatible with list
 // objects responses
-func Walk(fileSystem fs.FS, prefix, delimiter, marker string, max int, getObj GetObjFunc, skipdirs []string) (WalkResults, error) {
+func Walk(fileSystem fs.FS, prefix, delimiter, marker string, max int32, getObj GetObjFunc, skipdirs []string) (WalkResults, error) {
 	cpmap := make(map[string]struct{})
 	var objects []types.Object

@@ -129,7 +129,7 @@ func Walk(fileSystem fs.FS, prefix, delimiter, marker string, max int, getObj Ge
 			}
 			objects = append(objects, obj)

-			if max > 0 && (len(objects)+len(cpmap)) == max {
+			if max > 0 && (len(objects)+len(cpmap)) == int(max) {
 				pastMax = true
 			}

@@ -168,7 +168,7 @@ func Walk(fileSystem fs.FS, prefix, delimiter, marker string, max int, getObj Ge
 				return fmt.Errorf("file to object %q: %w", path, err)
 			}
 			objects = append(objects, obj)
-			if (len(objects) + len(cpmap)) == max {
+			if (len(objects) + len(cpmap)) == int(max) {
 				pastMax = true
 			}
 			return nil
@@ -178,7 +178,7 @@ func Walk(fileSystem fs.FS, prefix, delimiter, marker string, max int, getObj Ge
 		// These are abstractly a "directory", so need to include the
 		// delimiter at the end.
 		cpmap[prefix+before+delimiter] = struct{}{}
-		if (len(objects) + len(cpmap)) == max {
+		if (len(objects) + len(cpmap)) == int(max) {
 			pastMax = true
 		}

--- a/s3api/controllers/backend_moq_test.go
+++ b/s3api/controllers/backend_moq_test.go
--- a/s3api/controllers/base.go
+++ b/s3api/controllers/base.go
@@ -23,6 +23,7 @@ import (
 	"net/http"
 	"strconv"
 	"strings"
+	"time"

 	"github.com/aws/aws-sdk-go-v2/aws"
 	"github.com/aws/aws-sdk-go-v2/service/s3"
@@ -44,6 +45,10 @@ type S3ApiController struct {
 	evSender s3event.S3EventSender
 }

+const (
+	iso8601Format = "20060102T150405Z"
+)
+
 func New(be backend.Backend, iam auth.IAMService, logger s3log.AuditLogger, evs s3event.S3EventSender) S3ApiController {
 	return S3ApiController{be: be, iam: iam, logger: logger, evSender: evs}
 }
@@ -53,7 +58,7 @@ func (c S3ApiController) ListBuckets(ctx *fiber.Ctx) error {
 	if err := auth.IsAdmin(access, isRoot); err != nil {
 		return SendXMLResponse(ctx, nil, err, &MetaOpts{Logger: c.logger, Action: "ListBucket"})
 	}
-	res, err := c.be.ListBuckets()
+	res, err := c.be.ListBuckets(access, isRoot)
 	return SendXMLResponse(ctx, res, err, &MetaOpts{Logger: c.logger, Action: "ListBucket"})
 }

@@ -63,7 +68,7 @@ func (c S3ApiController) GetActions(ctx *fiber.Ctx) error {
 	keyEnd := ctx.Params("*1")
 	uploadId := ctx.Query("uploadId")
 	maxParts := ctx.QueryInt("max-parts", 0)
-	partNumberMarker := ctx.QueryInt("part-number-marker", 0)
+	partNumberMarker := ctx.Query("part-number-marker")
 	acceptRange := ctx.Get("Range")
 	access := ctx.Locals("access").(string)
 	isRoot := ctx.Locals("isRoot").(bool)
@@ -71,7 +76,7 @@ func (c S3ApiController) GetActions(ctx *fiber.Ctx) error {
 		key = strings.Join([]string{key, keyEnd}, "/")
 	}

-	data, err := c.be.GetBucketAcl(bucket)
+	data, err := c.be.GetBucketAcl(&s3.GetBucketAclInput{Bucket: &bucket})
 	if err != nil {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger})
 	}
@@ -101,25 +106,37 @@ func (c S3ApiController) GetActions(ctx *fiber.Ctx) error {

 	if uploadId != "" {
 		if maxParts < 0 || (maxParts == 0 && ctx.Query("max-parts") != "") {
-			return SendResponse(ctx, s3err.GetAPIError(s3err.ErrInvalidMaxParts), &MetaOpts{Logger: c.logger, Action: "ListObjectParts", BucketOwner: parsedAcl.Owner})
+			return SendResponse(ctx, s3err.GetAPIError(s3err.ErrInvalidMaxParts), &MetaOpts{Logger: c.logger, Action: "ListParts", BucketOwner: parsedAcl.Owner})
+		}
+		if partNumberMarker != "" {
+			n, err := strconv.Atoi(partNumberMarker)
+			if err != nil || n < 0 {
+				return SendResponse(ctx, s3err.GetAPIError(s3err.ErrInvalidPartNumberMarker), &MetaOpts{Logger: c.logger, Action: "ListParts", BucketOwner: parsedAcl.Owner})
 			}
-		if partNumberMarker < 0 || (partNumberMarker == 0 && ctx.Query("part-number-marker") != "") {
-			return SendResponse(ctx, s3err.GetAPIError(s3err.ErrInvalidPartNumberMarker), &MetaOpts{Logger: c.logger, Action: "ListObjectParts", BucketOwner: parsedAcl.Owner})
 		}

 		if err := auth.VerifyACL(parsedAcl, bucket, access, "READ", isRoot); err != nil {
-			return SendXMLResponse(ctx, nil, err, &MetaOpts{Logger: c.logger, Action: "ListObjectParts", BucketOwner: parsedAcl.Owner})
+			return SendXMLResponse(ctx, nil, err, &MetaOpts{Logger: c.logger, Action: "ListParts", BucketOwner: parsedAcl.Owner})
 		}

-		res, err := c.be.ListObjectParts(bucket, key, uploadId, partNumberMarker, maxParts)
-		return SendXMLResponse(ctx, res, err, &MetaOpts{Logger: c.logger, Action: "ListObjectParts", BucketOwner: parsedAcl.Owner})
+		res, err := c.be.ListParts(&s3.ListPartsInput{
+			Bucket:           &bucket,
+			Key:              &key,
+			UploadId:         &uploadId,
+			PartNumberMarker: &partNumberMarker,
+			MaxParts:         int32(maxParts),
+		})
+		return SendXMLResponse(ctx, res, err, &MetaOpts{Logger: c.logger, Action: "ListParts", BucketOwner: parsedAcl.Owner})
 	}

 	if ctx.Request().URI().QueryArgs().Has("acl") {
 		if err := auth.VerifyACL(parsedAcl, bucket, access, "READ_ACP", isRoot); err != nil {
 			return SendXMLResponse(ctx, nil, err, &MetaOpts{Logger: c.logger, Action: "GetObjectAcl", BucketOwner: parsedAcl.Owner})
 		}
-		res, err := c.be.GetObjectAcl(bucket, key)
+		res, err := c.be.GetObjectAcl(&s3.GetObjectAclInput{
+			Bucket: &bucket,
+			Key:    &key,
+		})
 		return SendXMLResponse(ctx, res, err, &MetaOpts{Logger: c.logger, Action: "GetObjectAcl", BucketOwner: parsedAcl.Owner})
 	}

@@ -127,7 +144,15 @@ func (c S3ApiController) GetActions(ctx *fiber.Ctx) error {
 		if err := auth.VerifyACL(parsedAcl, bucket, access, "READ", isRoot); err != nil {
 			return SendXMLResponse(ctx, nil, err, &MetaOpts{Logger: c.logger, Action: "GetObjectAttributes", BucketOwner: parsedAcl.Owner})
 		}
-		res, err := c.be.GetObjectAttributes(bucket, key, strings.Split(attrs, ","))
+		var oattrs []types.ObjectAttributes
+		for _, a := range strings.Split(attrs, ",") {
+			oattrs = append(oattrs, types.ObjectAttributes(a))
+		}
+		res, err := c.be.GetObjectAttributes(&s3.GetObjectAttributesInput{
+			Bucket:           &bucket,
+			Key:              &key,
+			ObjectAttributes: oattrs,
+		})
 		return SendXMLResponse(ctx, res, err, &MetaOpts{Logger: c.logger, Action: "GetObjectAttributes", BucketOwner: parsedAcl.Owner})
 	}

@@ -136,7 +161,11 @@ func (c S3ApiController) GetActions(ctx *fiber.Ctx) error {
 	}

 	ctx.Locals("logResBody", false)
-	res, err := c.be.GetObject(bucket, key, acceptRange, ctx.Response().BodyWriter())
+	res, err := c.be.GetObject(&s3.GetObjectInput{
+		Bucket: &bucket,
+		Key:    &key,
+		Range:  &acceptRange,
+	}, ctx.Response().BodyWriter())
 	if err != nil {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "GetObject", BucketOwner: parsedAcl.Owner})
 	}
@@ -194,7 +223,7 @@ func (c S3ApiController) ListActions(ctx *fiber.Ctx) error {
 	access := ctx.Locals("access").(string)
 	isRoot := ctx.Locals("isRoot").(bool)

-	data, err := c.be.GetBucketAcl(bucket)
+	data, err := c.be.GetBucketAcl(&s3.GetBucketAclInput{Bucket: &bucket})
 	if err != nil {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger})
 	}
@@ -225,7 +254,13 @@ func (c S3ApiController) ListActions(ctx *fiber.Ctx) error {
 		if err := auth.VerifyACL(parsedAcl, bucket, access, "READ", isRoot); err != nil {
 			return SendXMLResponse(ctx, nil, err, &MetaOpts{Logger: c.logger, Action: "ListObjectsV2", BucketOwner: parsedAcl.Owner})
 		}
-		res, err := c.be.ListObjectsV2(bucket, prefix, marker, delimiter, maxkeys)
+		res, err := c.be.ListObjectsV2(&s3.ListObjectsV2Input{
+			Bucket:            &bucket,
+			Prefix:            &prefix,
+			ContinuationToken: &marker,
+			Delimiter:         &delimiter,
+			MaxKeys:           int32(maxkeys),
+		})
 		return SendXMLResponse(ctx, res, err, &MetaOpts{Logger: c.logger, Action: "ListObjectsV2", BucketOwner: parsedAcl.Owner})
 	}

@@ -233,7 +268,13 @@ func (c S3ApiController) ListActions(ctx *fiber.Ctx) error {
 		return SendXMLResponse(ctx, nil, err, &MetaOpts{Logger: c.logger, Action: "ListObjects", BucketOwner: parsedAcl.Owner})
 	}

-	res, err := c.be.ListObjects(bucket, prefix, marker, delimiter, maxkeys)
+	res, err := c.be.ListObjects(&s3.ListObjectsInput{
+		Bucket:    &bucket,
+		Prefix:    &prefix,
+		Marker:    &marker,
+		Delimiter: &delimiter,
+		MaxKeys:   int32(maxkeys),
+	})
 	return SendXMLResponse(ctx, res, err, &MetaOpts{Logger: c.logger, Action: "ListObjects", BucketOwner: parsedAcl.Owner})
 }

@@ -255,7 +296,7 @@ func (c S3ApiController) PutBucketActions(ctx *fiber.Ctx) error {
 	if ctx.Request().URI().QueryArgs().Has("acl") {
 		var input *s3.PutBucketAclInput

-		data, err := c.be.GetBucketAcl(bucket)
+		data, err := c.be.GetBucketAcl(&s3.GetBucketAclInput{Bucket: &bucket})
 		if err != nil {
 			return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "PutBucketAcl"})
 		}
@@ -322,7 +363,10 @@ func (c S3ApiController) PutBucketActions(ctx *fiber.Ctx) error {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "PutBucketAcl", BucketOwner: parsedAcl.Owner})
 	}

-	err := c.be.PutBucket(bucket, access)
+	err := c.be.CreateBucket(&s3.CreateBucketInput{
+		Bucket:          &bucket,
+		ObjectOwnership: types.ObjectOwnership(access),
+	})
 	return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "PutBucket", BucketOwner: ctx.Locals("access").(string)})
 }

@@ -364,7 +408,7 @@ func (c S3ApiController) PutActions(ctx *fiber.Ctx) error {
 		keyStart = keyStart + "/"
 	}

-	data, err := c.be.GetBucketAcl(bucket)
+	data, err := c.be.GetBucketAcl(&s3.GetBucketAclInput{Bucket: &bucket})
 	if err != nil {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger})
 	}
@@ -422,24 +466,30 @@ func (c S3ApiController) PutActions(ctx *fiber.Ctx) error {
 	if ctx.Request().URI().QueryArgs().Has("uploadId") && ctx.Request().URI().QueryArgs().Has("partNumber") {
 		partNumber := ctx.QueryInt("partNumber", -1)
 		if partNumber < 1 || partNumber > 10000 {
-			return SendResponse(ctx, s3err.GetAPIError(s3err.ErrInvalidPart), &MetaOpts{Logger: c.logger, Action: "PutObjectPart", BucketOwner: parsedAcl.Owner})
+			return SendResponse(ctx, s3err.GetAPIError(s3err.ErrInvalidPart), &MetaOpts{Logger: c.logger, Action: "UploadPart", BucketOwner: parsedAcl.Owner})
 		}

 		if err := auth.VerifyACL(parsedAcl, bucket, access, "WRITE", isRoot); err != nil {
-			return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "PutObjectPart", BucketOwner: parsedAcl.Owner})
+			return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "UploadPart", BucketOwner: parsedAcl.Owner})
 		}

 		contentLength, err := strconv.ParseInt(contentLengthStr, 10, 64)
 		if err != nil {
-			return SendResponse(ctx, s3err.GetAPIError(s3err.ErrInvalidRequest), &MetaOpts{Logger: c.logger, Action: "PutObjectPart", BucketOwner: parsedAcl.Owner})
+			return SendResponse(ctx, s3err.GetAPIError(s3err.ErrInvalidRequest), &MetaOpts{Logger: c.logger, Action: "UploadPart", BucketOwner: parsedAcl.Owner})
 		}

 		body := io.ReadSeeker(bytes.NewReader([]byte(ctx.Body())))
 		ctx.Locals("logReqBody", false)
-		etag, err := c.be.PutObjectPart(bucket, keyStart, uploadId,
-			partNumber, contentLength, body)
+		etag, err := c.be.UploadPart(&s3.UploadPartInput{
+			Bucket:        &bucket,
+			Key:           &keyStart,
+			UploadId:      &uploadId,
+			PartNumber:    int32(partNumber),
+			ContentLength: contentLength,
+			Body:          body,
+		})
 		ctx.Response().Header.Set("Etag", etag)
-		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "PutObjectPart", BucketOwner: parsedAcl.Owner})
+		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "UploadPart", BucketOwner: parsedAcl.Owner})
 	}

 	if ctx.Request().URI().QueryArgs().Has("acl") {
@@ -503,16 +553,33 @@ func (c S3ApiController) PutActions(ctx *fiber.Ctx) error {
 	}

 	if copySource != "" {
-		_, _, _, _ = copySrcIfMatch, copySrcIfNoneMatch,
-			copySrcModifSince, copySrcUnmodifSince
-		copySourceSplit := strings.Split(copySource, "/")
-		srcBucket, srcObject := copySourceSplit[0], copySourceSplit[1:]
-
 		if err := auth.VerifyACL(parsedAcl, bucket, access, "WRITE", isRoot); err != nil {
 			return SendXMLResponse(ctx, nil, err, &MetaOpts{Logger: c.logger, Action: "CopyObject", BucketOwner: parsedAcl.Owner})
 		}

-		res, err := c.be.CopyObject(srcBucket, strings.Join(srcObject, "/"), bucket, keyStart)
+		var mtime time.Time
+		if copySrcModifSince != "" {
+			mtime, err = time.Parse(iso8601Format, copySrcModifSince)
+			if err != nil {
+				return SendXMLResponse(ctx, nil, s3err.GetAPIError(s3err.ErrInvalidCopySource), &MetaOpts{Logger: c.logger, Action: "CopyObject", BucketOwner: parsedAcl.Owner})
+			}
+		}
+		var umtime time.Time
+		if copySrcModifSince != "" {
+			mtime, err = time.Parse(iso8601Format, copySrcUnmodifSince)
+			if err != nil {
+				return SendXMLResponse(ctx, nil, s3err.GetAPIError(s3err.ErrInvalidCopySource), &MetaOpts{Logger: c.logger, Action: "CopyObject", BucketOwner: parsedAcl.Owner})
+			}
+		}
+		res, err := c.be.CopyObject(&s3.CopyObjectInput{
+			Bucket:                      &bucket,
+			Key:                         &keyStart,
+			CopySource:                  &copySource,
+			CopySourceIfMatch:           &copySrcIfMatch,
+			CopySourceIfNoneMatch:       &copySrcIfNoneMatch,
+			CopySourceIfModifiedSince:   &mtime,
+			CopySourceIfUnmodifiedSince: &umtime,
+		})
 		if err == nil {
 			return SendXMLResponse(ctx, res, err, &MetaOpts{
 				Logger:      c.logger,
@@ -566,7 +633,7 @@ func (c S3ApiController) PutActions(ctx *fiber.Ctx) error {
 func (c S3ApiController) DeleteBucket(ctx *fiber.Ctx) error {
 	bucket, access, isRoot := ctx.Params("bucket"), ctx.Locals("access").(string), ctx.Locals("isRoot").(bool)

-	data, err := c.be.GetBucketAcl(bucket)
+	data, err := c.be.GetBucketAcl(&s3.GetBucketAclInput{Bucket: &bucket})
 	if err != nil {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "DeleteBuckets"})
 	}
@@ -580,7 +647,9 @@ func (c S3ApiController) DeleteBucket(ctx *fiber.Ctx) error {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "DeleteBucket", BucketOwner: parsedAcl.Owner})
 	}

-	err = c.be.DeleteBucket(bucket)
+	err = c.be.DeleteBucket(&s3.DeleteBucketInput{
+		Bucket: &bucket,
+	})
 	return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "DeleteBucket", BucketOwner: parsedAcl.Owner})
 }

@@ -588,7 +657,7 @@ func (c S3ApiController) DeleteObjects(ctx *fiber.Ctx) error {
 	bucket, access, isRoot := ctx.Params("bucket"), ctx.Locals("access").(string), ctx.Locals("isRoot").(bool)
 	var dObj types.Delete

-	data, err := c.be.GetBucketAcl(bucket)
+	data, err := c.be.GetBucketAcl(&s3.GetBucketAclInput{Bucket: &bucket})
 	if err != nil {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "DeleteObjects"})
 	}
@@ -606,7 +675,10 @@ func (c S3ApiController) DeleteObjects(ctx *fiber.Ctx) error {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "DeleteObjects", BucketOwner: parsedAcl.Owner})
 	}

-	err = c.be.DeleteObjects(bucket, &s3.DeleteObjectsInput{Delete: &dObj})
+	err = c.be.DeleteObjects(&s3.DeleteObjectsInput{
+		Bucket: &bucket,
+		Delete: &dObj,
+	})
 	return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "DeleteObjects", BucketOwner: parsedAcl.Owner})
 }

@@ -622,7 +694,7 @@ func (c S3ApiController) DeleteActions(ctx *fiber.Ctx) error {
 		key = strings.Join([]string{key, keyEnd}, "/")
 	}

-	data, err := c.be.GetBucketAcl(bucket)
+	data, err := c.be.GetBucketAcl(&s3.GetBucketAclInput{Bucket: &bucket})
 	if err != nil {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger})
 	}
@@ -668,7 +740,10 @@ func (c S3ApiController) DeleteActions(ctx *fiber.Ctx) error {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "DeleteObject", BucketOwner: parsedAcl.Owner})
 	}

-	err = c.be.DeleteObject(bucket, key)
+	err = c.be.DeleteObject(&s3.DeleteObjectInput{
+		Bucket: &bucket,
+		Key:    &key,
+	})
 	return SendResponse(ctx, err, &MetaOpts{
 		Logger:      c.logger,
 		EvSender:    c.evSender,
@@ -681,7 +756,7 @@ func (c S3ApiController) DeleteActions(ctx *fiber.Ctx) error {
 func (c S3ApiController) HeadBucket(ctx *fiber.Ctx) error {
 	bucket, access, isRoot := ctx.Params("bucket"), ctx.Locals("access").(string), ctx.Locals("isRoot").(bool)

-	data, err := c.be.GetBucketAcl(bucket)
+	data, err := c.be.GetBucketAcl(&s3.GetBucketAclInput{Bucket: &bucket})
 	if err != nil {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "HeadBucket"})
 	}
@@ -695,7 +770,9 @@ func (c S3ApiController) HeadBucket(ctx *fiber.Ctx) error {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "HeadBucket", BucketOwner: parsedAcl.Owner})
 	}

-	_, err = c.be.HeadBucket(bucket)
+	_, err = c.be.HeadBucket(&s3.HeadBucketInput{
+		Bucket: &bucket,
+	})
 	// TODO: set bucket response headers
 	return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "HeadBucket", BucketOwner: parsedAcl.Owner})
 }
@@ -712,7 +789,9 @@ func (c S3ApiController) HeadObject(ctx *fiber.Ctx) error {
 		key = strings.Join([]string{key, keyEnd}, "/")
 	}

-	data, err := c.be.GetBucketAcl(bucket)
+	data, err := c.be.GetBucketAcl(&s3.GetBucketAclInput{
+		Bucket: &bucket,
+	})
 	if err != nil {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "HeadObject"})
 	}
@@ -726,7 +805,10 @@ func (c S3ApiController) HeadObject(ctx *fiber.Ctx) error {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "HeadObject", BucketOwner: parsedAcl.Owner})
 	}

-	res, err := c.be.HeadObject(bucket, key)
+	res, err := c.be.HeadObject(&s3.HeadObjectInput{
+		Bucket: &bucket,
+		Key:    &key,
+	})
 	if err != nil {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "HeadObject", BucketOwner: parsedAcl.Owner})
 	}
@@ -785,7 +867,7 @@ func (c S3ApiController) CreateActions(ctx *fiber.Ctx) error {
 		key = strings.Join([]string{key, keyEnd}, "/")
 	}

-	data, err := c.be.GetBucketAcl(bucket)
+	data, err := c.be.GetBucketAcl(&s3.GetBucketAclInput{Bucket: &bucket})
 	if err != nil {
 		return SendResponse(ctx, err, &MetaOpts{Logger: c.logger})
 	}
@@ -806,7 +888,10 @@ func (c S3ApiController) CreateActions(ctx *fiber.Ctx) error {
 			return SendResponse(ctx, err, &MetaOpts{Logger: c.logger, Action: "RestoreObject", BucketOwner: parsedAcl.Owner})
 		}

-		err = c.be.RestoreObject(bucket, key, &restoreRequest)
+		restoreRequest.Bucket = &bucket
+		restoreRequest.Key = &key
+
+		err = c.be.RestoreObject(&restoreRequest)
 		return SendResponse(ctx, err, &MetaOpts{
 			Logger:      c.logger,
 			EvSender:    c.evSender,
@@ -818,7 +903,7 @@ func (c S3ApiController) CreateActions(ctx *fiber.Ctx) error {

 	if uploadId != "" {
 		data := struct {
-			Parts []types.Part `xml:"Part"`
+			Parts []types.CompletedPart `xml:"Part"`
 		}{}

 		if err := xml.Unmarshal(ctx.Body(), &data); err != nil {
@@ -829,7 +914,14 @@ func (c S3ApiController) CreateActions(ctx *fiber.Ctx) error {
 			return SendXMLResponse(ctx, nil, err, &MetaOpts{Logger: c.logger, Action: "CompleteMultipartUpload", BucketOwner: parsedAcl.Owner})
 		}

-		res, err := c.be.CompleteMultipartUpload(bucket, key, uploadId, data.Parts)
+		res, err := c.be.CompleteMultipartUpload(&s3.CompleteMultipartUploadInput{
+			Bucket:   &bucket,
+			Key:      &key,
+			UploadId: &uploadId,
+			MultipartUpload: &types.CompletedMultipartUpload{
+				Parts: data.Parts,
+			},
+		})
 		if err == nil {
 			return SendXMLResponse(ctx, res, err, &MetaOpts{
 				Logger:      c.logger,
--- a/s3api/controllers/base_test.go
+++ b/s3api/controllers/base_test.go
@@ -89,10 +89,10 @@ func TestS3ApiController_ListBuckets(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			ListBucketsFunc: func() (s3response.ListAllMyBucketsResult, error) {
+			ListBucketsFunc: func(string, bool) (s3response.ListAllMyBucketsResult, error) {
 				return s3response.ListAllMyBucketsResult{}, nil
 			},
 		},
@@ -110,10 +110,10 @@ func TestS3ApiController_ListBuckets(t *testing.T) {
 	appErr := fiber.New()
 	s3ApiControllerErr := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			ListBucketsFunc: func() (s3response.ListAllMyBucketsResult, error) {
+			ListBucketsFunc: func(string, bool) (s3response.ListAllMyBucketsResult, error) {
 				return s3response.ListAllMyBucketsResult{}, s3err.GetAPIError(s3err.ErrMethodNotAllowed)
 			},
 		},
@@ -201,19 +201,19 @@ func TestS3ApiController_GetActions(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			ListObjectPartsFunc: func(bucket, object, uploadID string, partNumberMarker int, maxParts int) (s3response.ListPartsResponse, error) {
+			ListPartsFunc: func(*s3.ListPartsInput) (s3response.ListPartsResponse, error) {
 				return s3response.ListPartsResponse{}, nil
 			},
-			GetObjectAclFunc: func(bucket, object string) (*s3.GetObjectAclOutput, error) {
+			GetObjectAclFunc: func(*s3.GetObjectAclInput) (*s3.GetObjectAclOutput, error) {
 				return &s3.GetObjectAclOutput{}, nil
 			},
-			GetObjectAttributesFunc: func(bucket, object string, attributes []string) (*s3.GetObjectAttributesOutput, error) {
+			GetObjectAttributesFunc: func(*s3.GetObjectAttributesInput) (*s3.GetObjectAttributesOutput, error) {
 				return &s3.GetObjectAttributesOutput{}, nil
 			},
-			GetObjectFunc: func(bucket, object, acceptRange string, writer io.Writer) (*s3.GetObjectOutput, error) {
+			GetObjectFunc: func(*s3.GetObjectInput, io.Writer) (*s3.GetObjectOutput, error) {
 				return &s3.GetObjectOutput{
 					Metadata:        map[string]string{"hello": "world"},
 					ContentType:     getPtr("application/xml"),
@@ -353,16 +353,16 @@ func TestS3ApiController_ListActions(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
 			ListMultipartUploadsFunc: func(output *s3.ListMultipartUploadsInput) (s3response.ListMultipartUploadsResponse, error) {
 				return s3response.ListMultipartUploadsResponse{}, nil
 			},
-			ListObjectsV2Func: func(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsV2Output, error) {
+			ListObjectsV2Func: func(*s3.ListObjectsV2Input) (*s3.ListObjectsV2Output, error) {
 				return &s3.ListObjectsV2Output{}, nil
 			},
-			ListObjectsFunc: func(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsOutput, error) {
+			ListObjectsFunc: func(*s3.ListObjectsInput) (*s3.ListObjectsOutput, error) {
 				return &s3.ListObjectsOutput{}, nil
 			},
 		},
@@ -380,10 +380,10 @@ func TestS3ApiController_ListActions(t *testing.T) {
 	//Error case
 	s3ApiControllerError := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			ListObjectsFunc: func(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsOutput, error) {
+			ListObjectsFunc: func(*s3.ListObjectsInput) (*s3.ListObjectsOutput, error) {
 				return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 			},
 		},
@@ -498,13 +498,13 @@ func TestS3ApiController_PutBucketActions(t *testing.T) {

 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
 			PutBucketAclFunc: func(string, []byte) error {
 				return nil
 			},
-			PutBucketFunc: func(bucket, owner string) error {
+			CreateBucketFunc: func(*s3.CreateBucketInput) error {
 				return nil
 			},
 		},
@@ -650,13 +650,13 @@ func TestS3ApiController_PutActions(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
 			PutObjectAclFunc: func(*s3.PutObjectAclInput) error {
 				return nil
 			},
-			CopyObjectFunc: func(srcBucket, srcObject, DstBucket, dstObject string) (*s3.CopyObjectOutput, error) {
+			CopyObjectFunc: func(*s3.CopyObjectInput) (*s3.CopyObjectOutput, error) {
 				return &s3.CopyObjectOutput{
 					CopyObjectResult: &types.CopyObjectResult{},
 				}, nil
@@ -664,7 +664,7 @@ func TestS3ApiController_PutActions(t *testing.T) {
 			PutObjectFunc: func(*s3.PutObjectInput) (string, error) {
 				return "ETag", nil
 			},
-			PutObjectPartFunc: func(bucket, object, uploadID string, part int, length int64, r io.Reader) (string, error) {
+			UploadPartFunc: func(*s3.UploadPartInput) (string, error) {
 				return "hello", nil
 			},
 			SetTagsFunc: func(bucket, object string, tags map[string]string) error {
@@ -864,10 +864,10 @@ func TestS3ApiController_DeleteBucket(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			DeleteBucketFunc: func(bucket string) error {
+			DeleteBucketFunc: func(*s3.DeleteBucketInput) error {
 				return nil
 			},
 		},
@@ -920,10 +920,10 @@ func TestS3ApiController_DeleteObjects(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			DeleteObjectsFunc: func(bucket string, objects *s3.DeleteObjectsInput) error {
+			DeleteObjectsFunc: func(*s3.DeleteObjectsInput) error {
 				return nil
 			},
 		},
@@ -990,10 +990,10 @@ func TestS3ApiController_DeleteActions(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			DeleteObjectFunc: func(bucket, object string) error {
+			DeleteObjectFunc: func(*s3.DeleteObjectInput) error {
 				return nil
 			},
 			AbortMultipartUploadFunc: func(*s3.AbortMultipartUploadInput) error {
@@ -1017,10 +1017,10 @@ func TestS3ApiController_DeleteActions(t *testing.T) {
 	appErr := fiber.New()

 	s3ApiControllerErr := S3ApiController{be: &BackendMock{
-		GetBucketAclFunc: func(bucket string) ([]byte, error) {
+		GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 			return acldata, nil
 		},
-		DeleteObjectFunc: func(bucket, object string) error {
+		DeleteObjectFunc: func(*s3.DeleteObjectInput) error {
 			return s3err.GetAPIError(7)
 		},
 	}}
@@ -1098,10 +1098,10 @@ func TestS3ApiController_HeadBucket(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			HeadBucketFunc: func(bucket string) (*s3.HeadBucketOutput, error) {
+			HeadBucketFunc: func(*s3.HeadBucketInput) (*s3.HeadBucketOutput, error) {
 				return &s3.HeadBucketOutput{}, nil
 			},
 		},
@@ -1120,10 +1120,10 @@ func TestS3ApiController_HeadBucket(t *testing.T) {
 	appErr := fiber.New()

 	s3ApiControllerErr := S3ApiController{be: &BackendMock{
-		GetBucketAclFunc: func(bucket string) ([]byte, error) {
+		GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 			return acldata, nil
 		},
-		HeadBucketFunc: func(bucket string) (*s3.HeadBucketOutput, error) {
+		HeadBucketFunc: func(*s3.HeadBucketInput) (*s3.HeadBucketOutput, error) {
 			return nil, s3err.GetAPIError(3)
 		},
 	},
@@ -1192,10 +1192,10 @@ func TestS3ApiController_HeadObject(t *testing.T) {

 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			HeadObjectFunc: func(bucket, object string) (*s3.HeadObjectOutput, error) {
+			HeadObjectFunc: func(*s3.HeadObjectInput) (*s3.HeadObjectOutput, error) {
 				return &s3.HeadObjectOutput{
 					ContentEncoding: &contentEncoding,
 					ContentLength:   64,
@@ -1220,10 +1220,10 @@ func TestS3ApiController_HeadObject(t *testing.T) {

 	s3ApiControllerErr := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			HeadObjectFunc: func(bucket, object string) (*s3.HeadObjectOutput, error) {
+			HeadObjectFunc: func(*s3.HeadObjectInput) (*s3.HeadObjectOutput, error) {
 				return nil, s3err.GetAPIError(42)
 			},
 		},
@@ -1283,13 +1283,13 @@ func TestS3ApiController_CreateActions(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(*s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			RestoreObjectFunc: func(bucket, object string, restoreRequest *s3.RestoreObjectInput) error {
+			RestoreObjectFunc: func(restoreRequest *s3.RestoreObjectInput) error {
 				return nil
 			},
-			CompleteMultipartUploadFunc: func(bucket, object, uploadID string, parts []types.Part) (*s3.CompleteMultipartUploadOutput, error) {
+			CompleteMultipartUploadFunc: func(*s3.CompleteMultipartUploadInput) (*s3.CompleteMultipartUploadOutput, error) {
 				return &s3.CompleteMultipartUploadOutput{}, nil
 			},
 			CreateMultipartUploadFunc: func(*s3.CreateMultipartUploadInput) (*s3.CreateMultipartUploadOutput, error) {