Merge pull request #178 from versity/ben/deps

fix: upgrade module dependencies

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,27 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Server Version**
+ output of
+```
+./versitygw -version
+uname -a
+```
+
+**Additional context**
+Describe s3 client and version if applicable.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,14 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

auth/acl.go

@@ -261,5 +261,5 @@ func IsAdmin(access string, isRoot bool) error {
 	if acc.Role == "admin" {
 		return nil
 	}
-	return fmt.Errorf("only admin users have access to this resource")
+	return s3err.GetAPIError(s3err.ErrAccessDenied)
 }

backend/backend.go

@@ -15,11 +15,11 @@
 package backend
 
 import (
+	"context"
 	"fmt"
 	"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"
 )
@@ -29,37 +29,38 @@ 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
-	PutBucketAcl(bucket string, data []byte) error
-	DeleteBucket(bucket string) error
+	ListBuckets(_ context.Context, owner string, isRoot bool) (s3response.ListAllMyBucketsResult, error)
+	HeadBucket(context.Context, *s3.HeadBucketInput) (*s3.HeadBucketOutput, error)
+	GetBucketAcl(context.Context, *s3.GetBucketAclInput) ([]byte, error)
+	CreateBucket(context.Context, *s3.CreateBucketInput) error
+	PutBucketAcl(_ context.Context, bucket string, data []byte) error
+	DeleteBucket(context.Context, *s3.DeleteBucketInput) error
 
-	CreateMultipartUpload(*s3.CreateMultipartUploadInput) (*s3.CreateMultipartUploadOutput, error)
-	CompleteMultipartUpload(bucket, object, uploadID string, parts []types.Part) (*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)
-	UploadPartCopy(*s3.UploadPartCopyInput) (s3response.CopyObjectResult, error)
+	CreateMultipartUpload(context.Context, *s3.CreateMultipartUploadInput) (*s3.CreateMultipartUploadOutput, error)
+	CompleteMultipartUpload(context.Context, *s3.CompleteMultipartUploadInput) (*s3.CompleteMultipartUploadOutput, error)
+	AbortMultipartUpload(context.Context, *s3.AbortMultipartUploadInput) error
+	ListMultipartUploads(context.Context, *s3.ListMultipartUploadsInput) (s3response.ListMultipartUploadsResult, error)
+	ListParts(context.Context, *s3.ListPartsInput) (s3response.ListPartsResult, error)
+	UploadPart(context.Context, *s3.UploadPartInput) (etag string, err error)
+	UploadPartCopy(context.Context, *s3.UploadPartCopyInput) (s3response.CopyObjectResult, error)
+	SelectObjectContent(context.Context, *s3.SelectObjectContentInput) (s3response.SelectObjectContentResult, 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
-	PutObjectAcl(*s3.PutObjectAclInput) error
-	RestoreObject(bucket, object string, restoreRequest *s3.RestoreObjectInput) error
+	PutObject(context.Context, *s3.PutObjectInput) (string, error)
+	HeadObject(context.Context, *s3.HeadObjectInput) (*s3.HeadObjectOutput, error)
+	GetObject(context.Context, *s3.GetObjectInput, io.Writer) (*s3.GetObjectOutput, error)
+	GetObjectAcl(context.Context, *s3.GetObjectAclInput) (*s3.GetObjectAclOutput, error)
+	GetObjectAttributes(context.Context, *s3.GetObjectAttributesInput) (*s3.GetObjectAttributesOutput, error)
+	CopyObject(context.Context, *s3.CopyObjectInput) (*s3.CopyObjectOutput, error)
+	ListObjects(context.Context, *s3.ListObjectsInput) (*s3.ListObjectsOutput, error)
+	ListObjectsV2(context.Context, *s3.ListObjectsV2Input) (*s3.ListObjectsV2Output, error)
+	DeleteObject(context.Context, *s3.DeleteObjectInput) error
+	DeleteObjects(context.Context, *s3.DeleteObjectsInput) (s3response.DeleteObjectsResult, error)
+	PutObjectAcl(context.Context, *s3.PutObjectAclInput) error
+	RestoreObject(context.Context, *s3.RestoreObjectInput) error
 
-	GetTags(bucket, object string) (map[string]string, error)
-	SetTags(bucket, object string, tags map[string]string) error
-	RemoveTags(bucket, object string) error
+	GetTags(_ context.Context, bucket, object string) (map[string]string, error)
+	SetTags(_ context.Context, bucket, object string, tags map[string]string) error
+	RemoveTags(_ context.Context, bucket, object string) error
 }
 
 type BackendUnsupported struct{}
@@ -73,90 +74,93 @@ func (BackendUnsupported) Shutdown() {}
 func (BackendUnsupported) String() string {
 	return "Unsupported"
 }
-func (BackendUnsupported) ListBuckets() (s3response.ListAllMyBucketsResult, error) {
+func (BackendUnsupported) ListBuckets(context.Context, string, bool) (s3response.ListAllMyBucketsResult, error) {
 	return s3response.ListAllMyBucketsResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) PutBucketAcl(bucket string, data []byte) error {
+func (BackendUnsupported) PutBucketAcl(_ context.Context, bucket string, data []byte) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) PutObjectAcl(*s3.PutObjectAclInput) error {
+func (BackendUnsupported) PutObjectAcl(context.Context, *s3.PutObjectAclInput) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) RestoreObject(bucket, object string, restoreRequest *s3.RestoreObjectInput) error {
+func (BackendUnsupported) RestoreObject(context.Context, *s3.RestoreObjectInput) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) UploadPartCopy(*s3.UploadPartCopyInput) (s3response.CopyObjectResult, error) {
+func (BackendUnsupported) UploadPartCopy(context.Context, *s3.UploadPartCopyInput) (s3response.CopyObjectResult, error) {
 	return s3response.CopyObjectResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) GetBucketAcl(bucket string) ([]byte, error) {
+func (BackendUnsupported) GetBucketAcl(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) HeadBucket(bucket string) (*s3.HeadBucketOutput, error) {
+func (BackendUnsupported) HeadBucket(context.Context, *s3.HeadBucketInput) (*s3.HeadBucketOutput, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) PutBucket(bucket, owner string) error {
+func (BackendUnsupported) CreateBucket(context.Context, *s3.CreateBucketInput) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) DeleteBucket(bucket string) error {
+func (BackendUnsupported) DeleteBucket(context.Context, *s3.DeleteBucketInput) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
+func (BackendUnsupported) SelectObjectContent(context.Context, *s3.SelectObjectContentInput) (s3response.SelectObjectContentResult, error) {
+	return s3response.SelectObjectContentResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
+}
 
-func (BackendUnsupported) CreateMultipartUpload(input *s3.CreateMultipartUploadInput) (*s3.CreateMultipartUploadOutput, error) {
+func (BackendUnsupported) CreateMultipartUpload(context.Context, *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(context.Context, *s3.CompleteMultipartUploadInput) (*s3.CompleteMultipartUploadOutput, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) AbortMultipartUpload(input *s3.AbortMultipartUploadInput) error {
+func (BackendUnsupported) AbortMultipartUpload(context.Context, *s3.AbortMultipartUploadInput) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) ListMultipartUploads(output *s3.ListMultipartUploadsInput) (s3response.ListMultipartUploadsResponse, error) {
-	return s3response.ListMultipartUploadsResponse{}, s3err.GetAPIError(s3err.ErrNotImplemented)
+func (BackendUnsupported) ListMultipartUploads(context.Context, *s3.ListMultipartUploadsInput) (s3response.ListMultipartUploadsResult, error) {
+	return s3response.ListMultipartUploadsResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) ListObjectParts(bucket, object, uploadID string, partNumberMarker int, maxParts int) (s3response.ListPartsResponse, error) {
-	return s3response.ListPartsResponse{}, s3err.GetAPIError(s3err.ErrNotImplemented)
+func (BackendUnsupported) ListParts(context.Context, *s3.ListPartsInput) (s3response.ListPartsResult, error) {
+	return s3response.ListPartsResult{}, 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(context.Context, *s3.UploadPartInput) (etag string, err error) {
 	return "", s3err.GetAPIError(s3err.ErrNotImplemented)
 }
 
-func (BackendUnsupported) PutObject(*s3.PutObjectInput) (string, error) {
+func (BackendUnsupported) PutObject(context.Context, *s3.PutObjectInput) (string, error) {
 	return "", s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) DeleteObject(bucket, object string) error {
+func (BackendUnsupported) DeleteObject(context.Context, *s3.DeleteObjectInput) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) DeleteObjects(bucket string, objects *s3.DeleteObjectsInput) error {
-	return s3err.GetAPIError(s3err.ErrNotImplemented)
+func (BackendUnsupported) DeleteObjects(context.Context, *s3.DeleteObjectsInput) (s3response.DeleteObjectsResult, error) {
+	return s3response.DeleteObjectsResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) GetObject(bucket, object, acceptRange string, writer io.Writer) (*s3.GetObjectOutput, error) {
+func (BackendUnsupported) GetObject(context.Context, *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(context.Context, *s3.HeadObjectInput) (*s3.HeadObjectOutput, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) GetObjectAcl(bucket, object string) (*s3.GetObjectAclOutput, error) {
+func (BackendUnsupported) GetObjectAcl(context.Context, *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(context.Context, *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(context.Context, *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(context.Context, *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(context.Context, *s3.ListObjectsV2Input) (*s3.ListObjectsV2Output, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
 
-func (BackendUnsupported) GetTags(bucket, object string) (map[string]string, error) {
+func (BackendUnsupported) GetTags(_ context.Context, bucket, object string) (map[string]string, error) {
 	return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) SetTags(bucket, object string, tags map[string]string) error {
+func (BackendUnsupported) SetTags(_ context.Context, bucket, object string, tags map[string]string) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }
-func (BackendUnsupported) RemoveTags(bucket, object string) error {
+func (BackendUnsupported) RemoveTags(_ context.Context, bucket, object string) error {
 	return s3err.GetAPIError(s3err.ErrNotImplemented)
 }

backend/common.go

@@ -56,7 +56,7 @@ func GetTimePtr(t time.Time) *time.Time {
 }
 
 var (
-	errInvalidRange = s3err.GetAPIError(s3err.ErrInvalidRequest)
+	errInvalidRange = s3err.GetAPIError(s3err.ErrInvalidRange)
 )
 
 // ParseRange parses input range header and returns startoffset, length, and
@@ -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)...)

backend/posix/posix.go

@@ -15,6 +15,7 @@
 package posix
 
 import (
+	"context"
 	"crypto/md5"
 	"crypto/sha256"
 	"encoding/hex"
@@ -96,7 +97,7 @@ func (p *Posix) String() string {
 	return "Posix Gateway"
 }
 
-func (p *Posix) ListBuckets() (s3response.ListAllMyBucketsResult, error) {
+func (p *Posix) ListBuckets(_ context.Context, owner string, isRoot bool) (s3response.ListAllMyBucketsResult, error) {
 	entries, err := os.ReadDir(".")
 	if err != nil {
 		return s3response.ListAllMyBucketsResult{},
@@ -131,8 +132,8 @@ 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(_ context.Context, 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 +144,10 @@ 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(_ context.Context, 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 +169,8 @@ 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(_ context.Context, input *s3.DeleteBucketInput) error {
+	names, err := os.ReadDir(*input.Bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return s3err.GetAPIError(s3err.ErrNoSuchBucket)
 	}
@@ -177,13 +181,13 @@ 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)
 	}
@@ -194,7 +198,7 @@ func (p *Posix) DeleteBucket(bucket string) error {
 	return nil
 }
 
-func (p *Posix) CreateMultipartUpload(mpu *s3.CreateMultipartUploadInput) (*s3.CreateMultipartUploadOutput, error) {
+func (p *Posix) CreateMultipartUpload(_ context.Context, mpu *s3.CreateMultipartUploadInput) (*s3.CreateMultipartUploadOutput, error) {
 	bucket := *mpu.Bucket
 	object := *mpu.Key
 
@@ -245,7 +249,12 @@ 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(_ context.Context, 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)
@@ -286,7 +295,9 @@ func (p *Posix) CompleteMultipartUpload(bucket, object, uploadID string, parts [
 		if err != nil {
 			etag = ""
 		}
-		parts[i].ETag = &etag
+		if etag != *parts[i].ETag {
+			return nil, s3err.GetAPIError(s3err.ErrInvalidPart)
+		}
 	}
 
 	f, err := openTmpFile(filepath.Join(bucket, metaTmpDir), bucket, object, totalsize)
@@ -467,7 +478,7 @@ func mkdirAll(path string, perm os.FileMode, bucket, object string) error {
 	return nil
 }
 
-func (p *Posix) AbortMultipartUpload(mpu *s3.AbortMultipartUploadInput) error {
+func (p *Posix) AbortMultipartUpload(_ context.Context, mpu *s3.AbortMultipartUploadInput) error {
 	bucket := *mpu.Bucket
 	object := *mpu.Key
 	uploadID := *mpu.UploadId
@@ -497,7 +508,7 @@ func (p *Posix) AbortMultipartUpload(mpu *s3.AbortMultipartUploadInput) error {
 	return nil
 }
 
-func (p *Posix) ListMultipartUploads(mpu *s3.ListMultipartUploadsInput) (s3response.ListMultipartUploadsResponse, error) {
+func (p *Posix) ListMultipartUploads(_ context.Context, mpu *s3.ListMultipartUploadsInput) (s3response.ListMultipartUploadsResult, error) {
 	bucket := *mpu.Bucket
 	var delimiter string
 	if mpu.Delimiter != nil {
@@ -508,7 +519,7 @@ func (p *Posix) ListMultipartUploads(mpu *s3.ListMultipartUploadsInput) (s3respo
 		prefix = *mpu.Prefix
 	}
 
-	var lmu s3response.ListMultipartUploadsResponse
+	var lmu s3response.ListMultipartUploadsResult
 
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
@@ -584,7 +595,7 @@ func (p *Posix) ListMultipartUploads(mpu *s3.ListMultipartUploadsInput) (s3respo
 				Initiated: fi.ModTime().Format(backend.RFC3339TimeFormat),
 			})
 			if len(uploads) == int(mpu.MaxUploads) {
-				return s3response.ListMultipartUploadsResponse{
+				return s3response.ListMultipartUploadsResult{
 					Bucket:             bucket,
 					Delimiter:          delimiter,
 					IsTruncated:        i != len(objs) || j != len(upids),
@@ -600,7 +611,7 @@ func (p *Posix) ListMultipartUploads(mpu *s3.ListMultipartUploadsInput) (s3respo
 		}
 	}
 
-	return s3response.ListMultipartUploadsResponse{
+	return s3response.ListMultipartUploadsResult{
 		Bucket:         bucket,
 		Delimiter:      delimiter,
 		KeyMarker:      keyMarker,
@@ -611,8 +622,24 @@ func (p *Posix) ListMultipartUploads(mpu *s3.ListMultipartUploadsInput) (s3respo
 	}, nil
 }
 
-func (p *Posix) ListObjectParts(bucket, object, uploadID string, partNumberMarker int, maxParts int) (s3response.ListPartsResponse, error) {
-	var lpr s3response.ListPartsResponse
+func (p *Posix) ListParts(_ context.Context, input *s3.ListPartsInput) (s3response.ListPartsResult, error) {
+	bucket := *input.Bucket
+	object := *input.Key
+	uploadID := *input.UploadId
+	stringMarker := *input.PartNumberMarker
+	maxParts := int(input.MaxParts)
+
+	var lpr s3response.ListPartsResult
+
+	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)
@@ -681,7 +708,7 @@ func (p *Posix) ListObjectParts(bucket, object, uploadID string, partNumberMarke
 	upiddir := filepath.Join(objdir, uploadID)
 	loadUserMetaData(upiddir, userMetaData)
 
-	return s3response.ListPartsResponse{
+	return s3response.ListPartsResult{
 		Bucket:               bucket,
 		IsTruncated:          oldLen != newLen,
 		Key:                  object,
@@ -693,7 +720,14 @@ 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(_ context.Context, 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)
@@ -720,7 +754,6 @@ func (p *Posix) PutObjectPart(bucket, object, uploadID string, part int, length
 	if err != nil {
 		return "", fmt.Errorf("open temp file: %w", err)
 	}
-	defer f.cleanup()
 
 	hash := md5.New()
 	tr := io.TeeReader(r, hash)
@@ -734,14 +767,16 @@ func (p *Posix) PutObjectPart(bucket, object, uploadID string, part int, length
 		return "", fmt.Errorf("link object in namespace: %w", err)
 	}
 
+	f.cleanup()
+
 	dataSum := hash.Sum(nil)
 	etag := hex.EncodeToString(dataSum)
-	xattr.Set(partPath, etagkey, []byte(etag))
+	xattr.Set(filepath.Join(bucket, partPath), etagkey, []byte(etag))
 
 	return etag, nil
 }
 
-func (p *Posix) UploadPartCopy(upi *s3.UploadPartCopyInput) (s3response.CopyObjectResult, error) {
+func (p *Posix) UploadPartCopy(_ context.Context, upi *s3.UploadPartCopyInput) (s3response.CopyObjectResult, error) {
 	_, err := os.Stat(*upi.Bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return s3response.CopyObjectResult{}, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -846,7 +881,9 @@ func (p *Posix) UploadPartCopy(upi *s3.UploadPartCopyInput) (s3response.CopyObje
 	}, nil
 }
 
-func (p *Posix) PutObject(po *s3.PutObjectInput) (string, error) {
+func (p *Posix) PutObject(ctx context.Context, po *s3.PutObjectInput) (string, error) {
+	tagsStr := getString(po.Tagging)
+	tags := make(map[string]string)
 	_, err := os.Stat(*po.Bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return "", s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -855,6 +892,17 @@ func (p *Posix) PutObject(po *s3.PutObjectInput) (string, error) {
 		return "", fmt.Errorf("stat bucket: %w", err)
 	}
 
+	if tagsStr != "" {
+		tagParts := strings.Split(tagsStr, "&")
+		for _, prt := range tagParts {
+			p := strings.Split(prt, "=")
+			if len(p) != 2 {
+				return "", s3err.GetAPIError(s3err.ErrInvalidTag)
+			}
+			tags[p[0]] = p[1]
+		}
+	}
+
 	name := filepath.Join(*po.Bucket, *po.Key)
 
 	if strings.HasSuffix(*po.Key, "/") {
@@ -898,13 +946,20 @@ func (p *Posix) PutObject(po *s3.PutObjectInput) (string, error) {
 
 	err = f.link()
 	if err != nil {
-		return "", fmt.Errorf("link object in namespace: %w", err)
+		return "", s3err.GetAPIError(s3err.ErrExistingObjectIsDirectory)
 	}
 
 	for k, v := range po.Metadata {
 		xattr.Set(name, "user."+k, []byte(v))
 	}
 
+	if tagsStr != "" {
+		err := p.SetTags(ctx, *po.Bucket, *po.Key, tags)
+		if err != nil {
+			return "", err
+		}
+	}
+
 	dataSum := hash.Sum(nil)
 	etag := hex.EncodeToString(dataSum[:])
 	xattr.Set(name, etagkey, []byte(etag))
@@ -912,7 +967,10 @@ func (p *Posix) PutObject(po *s3.PutObjectInput) (string, error) {
 	return etag, nil
 }
 
-func (p *Posix) DeleteObject(bucket, object string) error {
+func (p *Posix) DeleteObject(_ context.Context, 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)
@@ -921,7 +979,7 @@ func (p *Posix) DeleteObject(bucket, object string) error {
 		return fmt.Errorf("stat bucket: %w", err)
 	}
 
-	os.Remove(filepath.Join(bucket, object))
+	err = os.Remove(filepath.Join(bucket, object))
 	if errors.Is(err, fs.ErrNotExist) {
 		return s3err.GetAPIError(s3err.ErrNoSuchKey)
 	}
@@ -966,19 +1024,47 @@ func (p *Posix) removeParents(bucket, object string) error {
 	return nil
 }
 
-func (p *Posix) DeleteObjects(bucket string, objects *s3.DeleteObjectsInput) error {
+func (p *Posix) DeleteObjects(ctx context.Context, input *s3.DeleteObjectsInput) (s3response.DeleteObjectsResult, error) {
 	// delete object already checks bucket
-	for _, obj := range objects.Delete.Objects {
-		err := p.DeleteObject(bucket, *obj.Key)
-		if err != nil {
-			return err
+	delResult, errs := []types.DeletedObject{}, []types.Error{}
+	for _, obj := range input.Delete.Objects {
+		//TODO: Make the delete operation concurrent
+		err := p.DeleteObject(ctx, &s3.DeleteObjectInput{
+			Bucket: input.Bucket,
+			Key:    obj.Key,
+		})
+		if err == nil {
+			delResult = append(delResult, types.DeletedObject{Key: obj.Key})
+		} else {
+			serr, ok := err.(s3err.APIError)
+			if ok {
+				errs = append(errs, types.Error{
+					Key:     obj.Key,
+					Code:    &serr.Code,
+					Message: &serr.Description,
+				})
+			} else {
+				errs = append(errs, types.Error{
+					Key:     obj.Key,
+					Code:    getStringPtr("InternalError"),
+					Message: getStringPtr(err.Error()),
+				})
+			}
 		}
 	}
 
-	return nil
+	return s3response.DeleteObjectsResult{
+		Deleted: delResult,
+		Errors:  errs,
+	}, nil
 }
 
-func (p *Posix) GetObject(bucket, object, acceptRange string, writer io.Writer) (*s3.GetObjectOutput, error) {
+func (p *Posix) GetObject(_ context.Context, input *s3.GetObjectInput, writer io.Writer) (*s3.GetObjectOutput, error) {
+	bucket := *input.Bucket
+	object := *input.Key
+	acceptRange := *input.Range
+	var contentRange string
+
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -1009,6 +1095,10 @@ func (p *Posix) GetObject(bucket, object, acceptRange string, writer io.Writer)
 		return nil, s3err.GetAPIError(s3err.ErrInvalidRequest)
 	}
 
+	if acceptRange != "" {
+		contentRange = fmt.Sprintf("bytes %v-%v/%v", startOffset, startOffset+length-1, fi.Size())
+	}
+
 	f, err := os.Open(objPath)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchKey)
@@ -1048,10 +1138,14 @@ func (p *Posix) GetObject(bucket, object, acceptRange string, writer io.Writer)
 		LastModified:    backend.GetTimePtr(fi.ModTime()),
 		Metadata:        userMetaData,
 		TagCount:        int32(len(tags)),
+		ContentRange:    &contentRange,
 	}, nil
 }
 
-func (p *Posix) HeadObject(bucket, object string) (*s3.HeadObjectOutput, error) {
+func (p *Posix) HeadObject(_ context.Context, 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 +1182,14 @@ 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(ctx context.Context, 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)
@@ -1120,7 +1221,7 @@ func (p *Posix) CopyObject(srcBucket, srcObject, dstBucket, dstObject string) (*
 		return nil, fmt.Errorf("stat object: %w", err)
 	}
 
-	etag, err := p.PutObject(&s3.PutObjectInput{Bucket: &dstBucket, Key: &dstObject, Body: f, ContentLength: fInfo.Size()})
+	etag, err := p.PutObject(ctx, &s3.PutObjectInput{Bucket: &dstBucket, Key: &dstObject, Body: f, ContentLength: fInfo.Size()})
 	if err != nil {
 		return nil, err
 	}
@@ -1138,7 +1239,13 @@ 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(_ context.Context, 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 +1267,7 @@ 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 +1335,13 @@ func fileToObj(bucket string) backend.GetObjFunc {
 	}
 }
 
-func (p *Posix) ListObjectsV2(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsV2Output, error) {
+func (p *Posix) ListObjectsV2(_ context.Context, 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 +1351,7 @@ 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)
@@ -1254,10 +1367,11 @@ func (p *Posix) ListObjectsV2(bucket, prefix, marker, delim string, maxkeys int)
 		Name:                  &bucket,
 		NextContinuationToken: &results.NextMarker,
 		Prefix:                &prefix,
+		KeyCount:              int32(len(results.Objects)),
 	}, nil
 }
 
-func (p *Posix) PutBucketAcl(bucket string, data []byte) error {
+func (p *Posix) PutBucketAcl(_ context.Context, bucket string, data []byte) error {
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -1273,8 +1387,8 @@ 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(_ context.Context, input *s3.GetBucketAclInput) ([]byte, error) {
+	_, err := os.Stat(*input.Bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
 	}
@@ -1282,7 +1396,7 @@ 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
 	}
@@ -1292,7 +1406,7 @@ func (p *Posix) GetBucketAcl(bucket string) ([]byte, error) {
 	return b, nil
 }
 
-func (p *Posix) GetTags(bucket, object string) (map[string]string, error) {
+func (p *Posix) GetTags(_ context.Context, bucket, object string) (map[string]string, error) {
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return nil, s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -1325,7 +1439,7 @@ func (p *Posix) getXattrTags(bucket, object string) (map[string]string, error) {
 	return tags, nil
 }
 
-func (p *Posix) SetTags(bucket, object string, tags map[string]string) error {
+func (p *Posix) SetTags(_ context.Context, bucket, object string, tags map[string]string) error {
 	_, err := os.Stat(bucket)
 	if errors.Is(err, fs.ErrNotExist) {
 		return s3err.GetAPIError(s3err.ErrNoSuchBucket)
@@ -1361,8 +1475,8 @@ func (p *Posix) SetTags(bucket, object string, tags map[string]string) error {
 	return nil
 }
 
-func (p *Posix) RemoveTags(bucket, object string) error {
-	return p.SetTags(bucket, object, nil)
+func (p *Posix) RemoveTags(ctx context.Context, bucket, object string) error {
+	return p.SetTags(ctx, bucket, object, nil)
 }
 
 const (
@@ -1570,3 +1684,14 @@ func isNoAttr(err error) bool {
 	}
 	return false
 }
+
+func getString(str *string) string {
+	if str == nil {
+		return ""
+	}
+	return *str
+}
+
+func getStringPtr(str string) *string {
+	return &str
+}

backend/scoutfs/scoutfs.go

@@ -15,6 +15,7 @@
 package scoutfs
 
 import (
+	"context"
 	"crypto/sha256"
 	"encoding/json"
 	"errors"
@@ -114,7 +115,12 @@ 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(_ context.Context, 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)
@@ -160,7 +166,9 @@ func (s *ScoutFS) CompleteMultipartUpload(bucket, object, uploadID string, parts
 		if err != nil {
 			etag = ""
 		}
-		parts[i].ETag = &etag
+		if etag != *parts[i].ETag {
+			return nil, s3err.GetAPIError(s3err.ErrInvalidPart)
+		}
 	}
 
 	// use totalsize=0 because we wont be writing to the file, only moving
@@ -347,7 +355,10 @@ 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(_ context.Context, 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 +428,11 @@ 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(_ context.Context, 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 +542,13 @@ 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(_ context.Context, 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 +570,20 @@ 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(_ context.Context, 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 +593,7 @@ 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 +690,10 @@ 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(_ context.Context, 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)

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
 		}
 

cmd/versitygw/admin.go

@@ -30,7 +30,6 @@ import (
 var (
 	adminAccess string
 	adminSecret string
-	adminRegion string
 )
 
 func adminCommand() *cli.Command {
@@ -97,13 +96,6 @@ func adminCommand() *cli.Command {
 				Aliases:     []string{"s"},
 				Destination: &adminSecret,
 			},
-			&cli.StringFlag{
-				Name:        "region",
-				Usage:       "s3 region string",
-				Value:       "us-east-1",
-				Destination: &adminRegion,
-				Aliases:     []string{"r"},
-			},
 		},
 	}
 }
@@ -129,7 +121,7 @@ func createUser(ctx *cli.Context) error {
 
 	req.Header.Set("X-Amz-Content-Sha256", hexPayload)
 
-	signErr := signer.SignHTTP(req.Context(), aws.Credentials{AccessKeyID: adminAccess, SecretAccessKey: adminSecret}, req, hexPayload, "s3", adminRegion, time.Now())
+	signErr := signer.SignHTTP(req.Context(), aws.Credentials{AccessKeyID: adminAccess, SecretAccessKey: adminSecret}, req, hexPayload, "s3", region, time.Now())
 	if signErr != nil {
 		return fmt.Errorf("failed to sign the request: %w", err)
 	}
@@ -146,7 +138,7 @@ func createUser(ctx *cli.Context) error {
 		return err
 	}
 
-	fmt.Printf("%s", body)
+	fmt.Printf("%s\n", body)
 
 	return nil
 }
@@ -169,7 +161,7 @@ func deleteUser(ctx *cli.Context) error {
 
 	req.Header.Set("X-Amz-Content-Sha256", hexPayload)
 
-	signErr := signer.SignHTTP(req.Context(), aws.Credentials{AccessKeyID: adminAccess, SecretAccessKey: adminSecret}, req, hexPayload, "s3", adminRegion, time.Now())
+	signErr := signer.SignHTTP(req.Context(), aws.Credentials{AccessKeyID: adminAccess, SecretAccessKey: adminSecret}, req, hexPayload, "s3", region, time.Now())
 	if signErr != nil {
 		return fmt.Errorf("failed to sign the request: %w", err)
 	}
@@ -186,7 +178,7 @@ func deleteUser(ctx *cli.Context) error {
 		return err
 	}
 
-	fmt.Printf("%s", body)
+	fmt.Printf("%s\n", body)
 
 	return nil
 }

cmd/versitygw/main.go

@@ -27,15 +27,21 @@ import (
 	"github.com/versity/versitygw/backend"
 	"github.com/versity/versitygw/s3api"
 	"github.com/versity/versitygw/s3api/middlewares"
+	"github.com/versity/versitygw/s3event"
+	"github.com/versity/versitygw/s3log"
 )
 
 var (
-	port              string
-	rootUserAccess    string
-	rootUserSecret    string
-	region            string
-	certFile, keyFile string
-	debug             bool
+	port                           string
+	rootUserAccess                 string
+	rootUserSecret                 string
+	region                         string
+	certFile, keyFile              string
+	kafkaURL, kafkaTopic, kafkaKey string
+	natsURL, natsTopic             string
+	logWebhookURL                  string
+	accessLog                      string
+	debug                          bool
 )
 
 var (
@@ -141,6 +147,48 @@ func initFlags() []cli.Flag {
 			Usage:       "enable debug output",
 			Destination: &debug,
 		},
+		&cli.StringFlag{
+			Name:        "access-log",
+			Usage:       "enable server access logging to specified file",
+			EnvVars:     []string{"LOGFILE"},
+			Destination: &accessLog,
+		},
+		&cli.StringFlag{
+			Name:        "log-webhook-url",
+			Usage:       "webhook url to send the audit logs",
+			EnvVars:     []string{"WEBHOOK"},
+			Destination: &logWebhookURL,
+		},
+		&cli.StringFlag{
+			Name:        "event-kafka-url",
+			Usage:       "kafka server url to send the bucket notifications.",
+			Destination: &kafkaURL,
+			Aliases:     []string{"eku"},
+		},
+		&cli.StringFlag{
+			Name:        "event-kafka-topic",
+			Usage:       "kafka server pub-sub topic to send the bucket notifications to",
+			Destination: &kafkaTopic,
+			Aliases:     []string{"ekt"},
+		},
+		&cli.StringFlag{
+			Name:        "event-kafka-key",
+			Usage:       "kafka server put-sub topic key to send the bucket notifications to",
+			Destination: &kafkaKey,
+			Aliases:     []string{"ekk"},
+		},
+		&cli.StringFlag{
+			Name:        "event-nats-url",
+			Usage:       "nats server url to send the bucket notifications",
+			Destination: &natsURL,
+			Aliases:     []string{"enu"},
+		},
+		&cli.StringFlag{
+			Name:        "event-nats-topic",
+			Usage:       "nats server pub-sub topic to send the bucket notifications to",
+			Destination: &natsTopic,
+			Aliases:     []string{"ent"},
+		},
 	}
 }
 
@@ -182,10 +230,29 @@ func runGateway(ctx *cli.Context, be backend.Backend, s auth.Storer) error {
 		return fmt.Errorf("setup internal iam service: %w", err)
 	}
 
+	logger, err := s3log.InitLogger(&s3log.LogConfig{
+		LogFile:    accessLog,
+		WebhookURL: logWebhookURL,
+	})
+	if err != nil {
+		return fmt.Errorf("setup logger: %w", err)
+	}
+
+	evSender, err := s3event.InitEventSender(&s3event.EventConfig{
+		KafkaURL:      kafkaURL,
+		KafkaTopic:    kafkaTopic,
+		KafkaTopicKey: kafkaKey,
+		NatsURL:       natsURL,
+		NatsTopic:     natsTopic,
+	})
+	if err != nil {
+		return fmt.Errorf("unable to connect to the message broker: %w", err)
+	}
+
 	srv, err := s3api.New(app, be, middlewares.RootUserConfig{
 		Access: rootUserAccess,
 		Secret: rootUserSecret,
-	}, port, region, iam, opts...)
+	}, port, region, iam, logger, evSender, opts...)
 	if err != nil {
 		return fmt.Errorf("init gateway: %v", err)
 	}
@@ -193,12 +260,32 @@ func runGateway(ctx *cli.Context, be backend.Backend, s auth.Storer) error {
 	c := make(chan error, 1)
 	go func() { c <- srv.Serve() }()
 
-	select {
-	case <-ctx.Done():
-		be.Shutdown()
-		return ctx.Err()
-	case err := <-c:
-		be.Shutdown()
-		return err
+	// for/select blocks until shutdown
+Loop:
+	for {
+		select {
+		case <-ctx.Done():
+			err = ctx.Err()
+			break Loop
+		case err = <-c:
+			break Loop
+		case <-sigHup:
+			if logger != nil {
+				err = logger.HangUp()
+				if err != nil {
+					err = fmt.Errorf("HUP logger: %w", err)
+					break Loop
+				}
+			}
+		}
 	}
+
+	be.Shutdown()
+	if logger != nil {
+		lerr := logger.Shutdown()
+		if lerr != nil {
+			fmt.Fprintf(os.Stderr, "shutdown logger: %v\n", lerr)
+		}
+	}
+	return err
 }

cmd/versitygw/signal.go

@@ -23,6 +23,7 @@ import (
 
 var (
 	sigDone = make(chan bool, 1)
+	sigHup  = make(chan bool, 1)
 )
 
 func setupSignalHandler() {
@@ -36,6 +37,7 @@ func setupSignalHandler() {
 			case syscall.SIGINT, syscall.SIGTERM:
 				sigDone <- true
 			case syscall.SIGHUP:
+				sigHup <- true
 			}
 		}
 	}()

go.mod

@@ -3,51 +3,57 @@ module github.com/versity/versitygw
 go 1.20
 
 require (
-	github.com/aws/aws-sdk-go-v2 v1.18.1
-	github.com/aws/aws-sdk-go-v2/service/s3 v1.35.0
-	github.com/aws/smithy-go v1.13.5
-	github.com/gofiber/fiber/v2 v2.46.0
+	github.com/aws/aws-sdk-go-v2 v1.20.0
+	github.com/aws/aws-sdk-go-v2/service/s3 v1.38.1
+	github.com/aws/smithy-go v1.14.0
+	github.com/gofiber/fiber/v2 v2.48.0
 	github.com/google/uuid v1.3.0
+	github.com/nats-io/nats.go v1.28.0
 	github.com/pkg/xattr v0.4.9
-	github.com/urfave/cli/v2 v2.25.6
-	github.com/valyala/fasthttp v1.47.0
+	github.com/segmentio/kafka-go v0.4.42
+	github.com/urfave/cli/v2 v2.25.7
+	github.com/valyala/fasthttp v1.48.0
 	github.com/versity/scoutfs-go v0.0.0-20230606232754-0474b14343b9
-	golang.org/x/sys v0.9.0
+	golang.org/x/sys v0.10.0
 )
 
 require (
-	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.13.4 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/ini v1.3.35 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sso v1.12.12 // indirect
-	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.14.12 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sts v1.19.2 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.13.7 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/ini v1.3.38 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.13.1 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.15.1 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.21.1 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/nats-io/nats-server/v2 v2.9.20 // indirect
+	github.com/nats-io/nkeys v0.4.4 // indirect
+	github.com/nats-io/nuid v1.0.1 // indirect
+	github.com/pierrec/lz4/v4 v4.1.18 // indirect
+	github.com/stretchr/testify v1.8.1 // indirect
+	golang.org/x/crypto v0.11.0 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
 )
 
 require (
 	github.com/andybalholm/brotli v1.0.5 // indirect
-	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.10 // indirect
-	github.com/aws/aws-sdk-go-v2/config v1.18.27
-	github.com/aws/aws-sdk-go-v2/credentials v1.13.26
-	github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.11.70
-	github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.34 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.28 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/v4a v1.0.26 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.11 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.1.29 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.28 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.14.3 // indirect
+	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.11 // indirect
+	github.com/aws/aws-sdk-go-v2/config v1.18.32
+	github.com/aws/aws-sdk-go-v2/credentials v1.13.31
+	github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.11.76
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.37 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.31 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/v4a v1.1.0 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.12 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.1.32 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.31 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.15.0 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
-	github.com/klauspost/compress v1.16.6 // indirect
+	github.com/klauspost/compress v1.16.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.19 // indirect
-	github.com/mattn/go-runewidth v0.0.14 // indirect
-	github.com/philhofer/fwd v1.1.2 // indirect
+	github.com/mattn/go-runewidth v0.0.15 // indirect
 	github.com/rivo/uniseg v0.4.4 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/savsgio/dictpool v0.0.0-20221023140959-7bf2e61cea94 // indirect
-	github.com/savsgio/gotils v0.0.0-20230208104028-c358bd845dee // indirect
-	github.com/tinylib/msgp v1.1.8 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/tcplisten v1.0.0 // indirect
 	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect

go.sum

@@ -1,144 +1,167 @@
 github.com/andybalholm/brotli v1.0.5 h1:8uQZIdzKmjc/iuPu7O2ioW48L81FgatrcpfFmiq/cCs=
 github.com/andybalholm/brotli v1.0.5/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
-github.com/aws/aws-sdk-go-v2 v1.18.1 h1:+tefE750oAb7ZQGzla6bLkOwfcQCEtC5y2RqoqCeqKo=
-github.com/aws/aws-sdk-go-v2 v1.18.1/go.mod h1:uzbQtefpm44goOPmdKyAlXSNcwlRgF3ePWVW6EtJvvw=
-github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.10 h1:dK82zF6kkPeCo8J1e+tGx4JdvDIQzj7ygIoLg8WMuGs=
-github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.10/go.mod h1:VeTZetY5KRJLuD/7fkQXMU6Mw7H5m/KP2J5Iy9osMno=
-github.com/aws/aws-sdk-go-v2/config v1.18.27 h1:Az9uLwmssTE6OGTpsFqOnaGpLnKDqNYOJzWuC6UAYzA=
-github.com/aws/aws-sdk-go-v2/config v1.18.27/go.mod h1:0My+YgmkGxeqjXZb5BYme5pc4drjTnM+x1GJ3zv42Nw=
-github.com/aws/aws-sdk-go-v2/credentials v1.13.26 h1:qmU+yhKmOCyujmuPY7tf5MxR/RKyZrOPO3V4DobiTUk=
-github.com/aws/aws-sdk-go-v2/credentials v1.13.26/go.mod h1:GoXt2YC8jHUBbA4jr+W3JiemnIbkXOfxSXcisUsZ3os=
-github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.13.4 h1:LxK/bitrAr4lnh9LnIS6i7zWbCOdMsfzKFBI6LUCS0I=
-github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.13.4/go.mod h1:E1hLXN/BL2e6YizK1zFlYd8vsfi2GTjbjBazinMmeaM=
-github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.11.70 h1:4bh28MeeXoBFTjb0JjQ5sVatzlf5xA1DziV8mZed9v4=
-github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.11.70/go.mod h1:9yI5NXzqy2yOiMytv6QLZHvlyHLwYxO9iIq+bZIbrFg=
-github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.34 h1:A5UqQEmPaCFpedKouS4v+dHCTUo2sKqhoKO9U5kxyWo=
-github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.34/go.mod h1:wZpTEecJe0Btj3IYnDx/VlUzor9wm3fJHyvLpQF0VwY=
-github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.28 h1:srIVS45eQuewqz6fKKu6ZGXaq6FuFg5NzgQBAM6g8Y4=
-github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.28/go.mod h1:7VRpKQQedkfIEXb4k52I7swUnZP0wohVajJMRn3vsUw=
-github.com/aws/aws-sdk-go-v2/internal/ini v1.3.35 h1:LWA+3kDM8ly001vJ1X1waCuLJdtTl48gwkPKWy9sosI=
-github.com/aws/aws-sdk-go-v2/internal/ini v1.3.35/go.mod h1:0Eg1YjxE0Bhn56lx+SHJwCzhW+2JGtizsrx+lCqrfm0=
-github.com/aws/aws-sdk-go-v2/internal/v4a v1.0.26 h1:wscW+pnn3J1OYnanMnza5ZVYXLX4cKk5rAvUAl4Qu+c=
-github.com/aws/aws-sdk-go-v2/internal/v4a v1.0.26/go.mod h1:MtYiox5gvyB+OyP0Mr0Sm/yzbEAIPL9eijj/ouHAPw0=
-github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.11 h1:y2+VQzC6Zh2ojtV2LoC0MNwHWc6qXv/j2vrQtlftkdA=
-github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.11/go.mod h1:iV4q2hsqtNECrfmlXyord9u4zyuFEJX9eLgLpSPzWA8=
-github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.1.29 h1:zZSLP3v3riMOP14H7b4XP0uyfREDQOYv2cqIrvTXDNQ=
-github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.1.29/go.mod h1:z7EjRjVwZ6pWcWdI2H64dKttvzaP99jRIj5hphW0M5U=
-github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.28 h1:bkRyG4a929RCnpVSTvLM2j/T4ls015ZhhYApbmYs15s=
-github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.28/go.mod h1:jj7znCIg05jXlaGBlFMGP8+7UN3VtCkRBG2spnmRQkU=
-github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.14.3 h1:dBL3StFxHtpBzJJ/mNEsjXVgfO+7jR0dAIEwLqMapEA=
-github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.14.3/go.mod h1:f1QyiAsvIv4B49DmCqrhlXqyaR+0IxMmyX+1P+AnzOM=
-github.com/aws/aws-sdk-go-v2/service/s3 v1.34.1 h1:rYYwwsGqbwvGgQHjBkqgDt8MynXk+I8xgS0IEj5gOT0=
-github.com/aws/aws-sdk-go-v2/service/s3 v1.34.1/go.mod h1:aVbf0sko/TsLWHx30c/uVu7c62+0EAJ3vbxaJga0xCw=
-github.com/aws/aws-sdk-go-v2/service/s3 v1.35.0 h1:ya7fmrN2fE7s1P2gaPbNg5MTkERVWfsH8ToP1YC4Z9o=
-github.com/aws/aws-sdk-go-v2/service/s3 v1.35.0/go.mod h1:aVbf0sko/TsLWHx30c/uVu7c62+0EAJ3vbxaJga0xCw=
-github.com/aws/aws-sdk-go-v2/service/sso v1.12.12 h1:nneMBM2p79PGWBQovYO/6Xnc2ryRMw3InnDJq1FHkSY=
-github.com/aws/aws-sdk-go-v2/service/sso v1.12.12/go.mod h1:HuCOxYsF21eKrerARYO6HapNeh9GBNq7fius2AcwodY=
-github.com/aws/aws-sdk-go-v2/service/ssooidc v1.14.12 h1:2qTR7IFk7/0IN/adSFhYu9Xthr0zVFTgBrmPldILn80=
-github.com/aws/aws-sdk-go-v2/service/ssooidc v1.14.12/go.mod h1:E4VrHCPzmVB/KFXtqBGKb3c8zpbNBgKe3fisDNLAW5w=
-github.com/aws/aws-sdk-go-v2/service/sts v1.19.2 h1:XFJ2Z6sNUUcAz9poj+245DMkrHE4h2j5I9/xD50RHfE=
-github.com/aws/aws-sdk-go-v2/service/sts v1.19.2/go.mod h1:dp0yLPsLBOi++WTxzCjA/oZqi6NPIhoR+uF7GeMU9eg=
-github.com/aws/smithy-go v1.13.5 h1:hgz0X/DX0dGqTYpGALqXJoRKRj5oQ7150i5FdTePzO8=
-github.com/aws/smithy-go v1.13.5/go.mod h1:Tg+OJXh4MB2R/uN61Ko2f6hTZwB/ZYGOtib8J3gBHzA=
+github.com/aws/aws-sdk-go-v2 v1.20.0 h1:INUDpYLt4oiPOJl0XwZDK2OVAVf0Rzo+MGVTv9f+gy8=
+github.com/aws/aws-sdk-go-v2 v1.20.0/go.mod h1:uWOr0m0jDsiWw8nnXiqZ+YG6LdvAlGYDLLf2NmHZoy4=
+github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.11 h1:/MS8AzqYNAhhRNalOmxUvYs8VEbNGifTnzhPFdcRQkQ=
+github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.11/go.mod h1:va22++AdXht4ccO3kH2SHkHHYvZ2G9Utz+CXKmm2CaU=
+github.com/aws/aws-sdk-go-v2/config v1.18.32 h1:tqEOvkbTxwEV7hToRcJ1xZRjcATqwDVsWbAscgRKyNI=
+github.com/aws/aws-sdk-go-v2/config v1.18.32/go.mod h1:U3ZF0fQRRA4gnbn9GGvOWLoT2EzzZfAWeKwnVrm1rDc=
+github.com/aws/aws-sdk-go-v2/credentials v1.13.31 h1:vJyON3lG7R8VOErpJJBclBADiWTwzcwdkQpTKx8D2sk=
+github.com/aws/aws-sdk-go-v2/credentials v1.13.31/go.mod h1:T4sESjBtY2lNxLgkIASmeP57b5j7hTQqCbqG0tWnxC4=
+github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.13.7 h1:X3H6+SU21x+76LRglk21dFRgMTJMa5QcpW+SqUf5BBg=
+github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.13.7/go.mod h1:3we0V09SwcJBzNlnyovrR2wWJhWmVdqAsmVs4uronv8=
+github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.11.76 h1:DJ1kHj0GI9BbX+XhF0kHxlzOVjcncmDUXmCvXdbfdAE=
+github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.11.76/go.mod h1:/AZCdswMSgwpB2yMSFfY5H4pVeBLnCuPehdmO/r3xSM=
+github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.37 h1:zr/gxAZkMcvP71ZhQOcvdm8ReLjFgIXnIn0fw5AM7mo=
+github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.37/go.mod h1:Pdn4j43v49Kk6+82spO3Tu5gSeQXRsxo56ePPQAvFiA=
+github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.31 h1:0HCMIkAkVY9KMgueD8tf4bRTUanzEYvhw7KkPXIMpO0=
+github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.31/go.mod h1:fTJDMe8LOFYtqiFFFeHA+SVMAwqLhoq0kcInYoLa9Js=
+github.com/aws/aws-sdk-go-v2/internal/ini v1.3.38 h1:+i1DOFrW3YZ3apE45tCal9+aDKK6kNEbW6Ib7e1nFxE=
+github.com/aws/aws-sdk-go-v2/internal/ini v1.3.38/go.mod h1:1/jLp0OgOaWIetycOmycW+vYTYgTZFPttJQRgsI1PoU=
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 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.3.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
+golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
+golang.org/x/net v0.10.0 h1:X2//UzNDwYmtCLn7To6G58Wr6f5ahEAQgKNzv9Y951M=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220408201424-a24fb2fb8a0f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.9.0 h1:KS/R3tvhPqvJvwcKfnBHJwwthS11LRhmM5D59eEXa0s=
-golang.org/x/sys v0.9.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
+golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.3.0/go.mod h1:q750SLmJuPmVoN1blW3UFBPREJfb1KmY3vwxfr+nFDA=
+golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.5.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.11.0 h1:LAntKIrcmeSKERyiOh0XMV39LXS8IE9UL2yP7+f5ij4=
+golang.org/x/time v0.3.0 h1:rg5rLMjNzMS1RkNLzCG38eapWhnYLFYXDXj2gOlr8j4=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20201022035929-9cf592e881e9/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.4.0/go.mod h1:UE5sM2OK9E/d67R0ANs2xJizIymRP5gJU295PvKXxjQ=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
+google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

integration/tests.go

@@ -27,10 +27,17 @@ func TestMakeBucket(s *S3Conf) {
 
 	s3client := s3.NewFromConfig(s.Config())
 
+	invBucket := "aa"
+	err := setup(s, invBucket)
+	if err == nil {
+		failF("%v: expected bucket name validation error", testname)
+		return
+	}
+
 	bucket := "testbucket"
 
 	ctx, cancel := context.WithTimeout(context.Background(), shortTimeout)
-	_, err := s3client.HeadBucket(ctx, &s3.HeadBucketInput{Bucket: &bucket})
+	_, err = s3client.HeadBucket(ctx, &s3.HeadBucketInput{Bucket: &bucket})
 	cancel()
 	if err == nil {
 		failF("%v: expected error, instead got success response", testname)
@@ -216,8 +223,9 @@ func TestPutGetObject(s *S3Conf) {
 		}
 	}
 
-	if objCount != 2 {
+	if objCount != 0 {
 		failF("%v: expected object count %v instead got %v", testname, 2, objCount)
+		return
 	}
 
 	err = teardown(s, bucket)
@@ -426,6 +434,10 @@ func TestListObject(s *S3Conf) {
 		failF("object %v not found", obj2)
 		return
 	}
+	if out.KeyCount != 2 {
+		failF("%v: expected key count: %v, instead got: %v", testname, 2, out.KeyCount)
+		return
+	}
 
 	ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
 	_, err = s3client.DeleteObject(ctx, &s3.DeleteObjectInput{
@@ -766,8 +778,45 @@ func TestIncorrectMultiParts(s *S3Conf) {
 		return
 	}
 
+	ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+	_, err = s3client.CompleteMultipartUpload(ctx, &s3.CompleteMultipartUploadInput{
+		Bucket:   &bucket,
+		Key:      &obj,
+		UploadId: mpu.UploadId,
+		MultipartUpload: &types.CompletedMultipartUpload{
+			Parts: []types.CompletedPart{
+				{
+					ETag:       mp2.ETag,
+					PartNumber: 96,
+				},
+				{
+					ETag:       mp1.ETag,
+					PartNumber: 99,
+				},
+			},
+		},
+	})
+	cancel()
+	if err == nil {
+		failF("%v: complete multipart expected err", testname)
+		return
+	}
+
 	badEtag := "bogusEtagValue"
 
+	// Empty multipart upload
+	ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+	_, err = s3client.CompleteMultipartUpload(ctx, &s3.CompleteMultipartUploadInput{
+		Bucket:   &bucket,
+		Key:      &obj,
+		UploadId: mpu.UploadId,
+	})
+	cancel()
+	if err == nil {
+		failF("%v: complete multipart expected err", testname)
+		return
+	}
+
 	ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
 	_, err = s3client.CompleteMultipartUpload(ctx, &s3.CompleteMultipartUploadInput{
 		Bucket:   &bucket,
@@ -781,7 +830,7 @@ func TestIncorrectMultiParts(s *S3Conf) {
 				},
 				{
 					ETag:       &badEtag,
-					PartNumber: 99,
+					PartNumber: 42,
 				},
 			},
 		},
@@ -1020,6 +1069,20 @@ func TestRangeGet(s *S3Conf) {
 		return
 	}
 
+	// Invalid range
+	invRange := "bytes=100-asd"
+	ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
+	_, err = s3client.GetObject(ctx, &s3.GetObjectInput{
+		Bucket: &bucket,
+		Key:    &name,
+		Range:  &invRange,
+	})
+	defer cancel()
+	if err == nil {
+		failF("%v: expected range error", testname)
+		return
+	}
+
 	rangeString := "bytes=100-200"
 
 	ctx, cancel = context.WithTimeout(context.Background(), shortTimeout)
@@ -1035,6 +1098,14 @@ func TestRangeGet(s *S3Conf) {
 	}
 	defer out.Body.Close()
 
+	if getString(out.ContentRange) != fmt.Sprintf("bytes 100-200/%v", datalen) {
+		failF("%v: expected content range: %v, instead got: %v", testname, fmt.Sprintf("bytes 100-200/%v", datalen), getString(out.ContentRange))
+		return
+	}
+	if getString(out.AcceptRanges) != rangeString {
+		failF("%v: expected accept range: %v, instead got: %v", testname, rangeString, getString(out.AcceptRanges))
+	}
+
 	b, err := io.ReadAll(out.Body)
 	if err != nil {
 		failF("%v: read body %v", testname, err)

integration/utils.go

@@ -154,3 +154,10 @@ func execCommand(args ...string) ([]byte, error) {
 
 	return cmd.CombinedOutput()
 }
+
+func getString(str *string) string {
+	if str == nil {
+		return ""
+	}
+	return *str
+}

s3api/controllers/base_test.go

@@ -15,6 +15,7 @@
 package controllers
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -74,7 +75,7 @@ func TestNew(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			if got := New(tt.args.be, tt.args.iam); !reflect.DeepEqual(got, tt.want) {
+			if got := New(tt.args.be, tt.args.iam, nil, nil); !reflect.DeepEqual(got, tt.want) {
 				t.Errorf("New() = %v, want %v", got, tt.want)
 			}
 		})
@@ -89,10 +90,10 @@ func TestS3ApiController_ListBuckets(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			ListBucketsFunc: func() (s3response.ListAllMyBucketsResult, error) {
+			ListBucketsFunc: func(context.Context, string, bool) (s3response.ListAllMyBucketsResult, error) {
 				return s3response.ListAllMyBucketsResult{}, nil
 			},
 		},
@@ -110,10 +111,10 @@ func TestS3ApiController_ListBuckets(t *testing.T) {
 	appErr := fiber.New()
 	s3ApiControllerErr := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			ListBucketsFunc: func() (s3response.ListAllMyBucketsResult, error) {
+			ListBucketsFunc: func(context.Context, string, bool) (s3response.ListAllMyBucketsResult, error) {
 				return s3response.ListAllMyBucketsResult{}, s3err.GetAPIError(s3err.ErrMethodNotAllowed)
 			},
 		},
@@ -127,16 +128,6 @@ func TestS3ApiController_ListBuckets(t *testing.T) {
 	})
 	appErr.Get("/", s3ApiControllerErr.ListBuckets)
 
-	//Admin error case
-	admErr := fiber.New()
-	admErr.Use(func(ctx *fiber.Ctx) error {
-		ctx.Locals("access", "valid access")
-		ctx.Locals("isRoot", false)
-		ctx.Locals("isDebug", false)
-		return ctx.Next()
-	})
-	admErr.Get("/", s3ApiController.ListBuckets)
-
 	tests := []struct {
 		name       string
 		args       args
@@ -162,15 +153,6 @@ func TestS3ApiController_ListBuckets(t *testing.T) {
 			wantErr:    false,
 			statusCode: 200,
 		},
-		{
-			name: "admin-error-case",
-			args: args{
-				req: httptest.NewRequest(http.MethodGet, "/", nil),
-			},
-			app:        admErr,
-			wantErr:    false,
-			statusCode: 500,
-		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -187,32 +169,33 @@ func TestS3ApiController_ListBuckets(t *testing.T) {
 	}
 }
 
+func getPtr(val string) *string {
+	return &val
+}
+
 func TestS3ApiController_GetActions(t *testing.T) {
 	type args struct {
 		req *http.Request
 	}
 
-	getPtr := func(val string) *string {
-		return &val
-	}
 	now := time.Now()
 
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			ListObjectPartsFunc: func(bucket, object, uploadID string, partNumberMarker int, maxParts int) (s3response.ListPartsResponse, error) {
-				return s3response.ListPartsResponse{}, nil
+			ListPartsFunc: func(context.Context, *s3.ListPartsInput) (s3response.ListPartsResult, error) {
+				return s3response.ListPartsResult{}, nil
 			},
-			GetObjectAclFunc: func(bucket, object string) (*s3.GetObjectAclOutput, error) {
+			GetObjectAclFunc: func(context.Context, *s3.GetObjectAclInput) (*s3.GetObjectAclOutput, error) {
 				return &s3.GetObjectAclOutput{}, nil
 			},
-			GetObjectAttributesFunc: func(bucket, object string, attributes []string) (*s3.GetObjectAttributesOutput, error) {
+			GetObjectAttributesFunc: func(context.Context, *s3.GetObjectAttributesInput) (*s3.GetObjectAttributesOutput, error) {
 				return &s3.GetObjectAttributesOutput{}, nil
 			},
-			GetObjectFunc: func(bucket, object, acceptRange string, writer io.Writer) (*s3.GetObjectOutput, error) {
+			GetObjectFunc: func(context.Context, *s3.GetObjectInput, io.Writer) (*s3.GetObjectOutput, error) {
 				return &s3.GetObjectOutput{
 					Metadata:        map[string]string{"hello": "world"},
 					ContentType:     getPtr("application/xml"),
@@ -223,7 +206,7 @@ func TestS3ApiController_GetActions(t *testing.T) {
 					StorageClass:    "storage class",
 				}, nil
 			},
-			GetTagsFunc: func(bucket, object string) (map[string]string, error) {
+			GetTagsFunc: func(_ context.Context, bucket, object string) (map[string]string, error) {
 				return map[string]string{"hello": "world"}, nil
 			},
 		},
@@ -232,6 +215,7 @@ func TestS3ApiController_GetActions(t *testing.T) {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{})
 		return ctx.Next()
 	})
 	app.Get("/:bucket/:key/*", s3ApiController.GetActions)
@@ -352,16 +336,16 @@ func TestS3ApiController_ListActions(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			ListMultipartUploadsFunc: func(output *s3.ListMultipartUploadsInput) (s3response.ListMultipartUploadsResponse, error) {
-				return s3response.ListMultipartUploadsResponse{}, nil
+			ListMultipartUploadsFunc: func(_ context.Context, output *s3.ListMultipartUploadsInput) (s3response.ListMultipartUploadsResult, error) {
+				return s3response.ListMultipartUploadsResult{}, nil
 			},
-			ListObjectsV2Func: func(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsV2Output, error) {
+			ListObjectsV2Func: func(context.Context, *s3.ListObjectsV2Input) (*s3.ListObjectsV2Output, error) {
 				return &s3.ListObjectsV2Output{}, nil
 			},
-			ListObjectsFunc: func(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsOutput, error) {
+			ListObjectsFunc: func(context.Context, *s3.ListObjectsInput) (*s3.ListObjectsOutput, error) {
 				return &s3.ListObjectsOutput{}, nil
 			},
 		},
@@ -371,6 +355,7 @@ func TestS3ApiController_ListActions(t *testing.T) {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{})
 		return ctx.Next()
 	})
 
@@ -379,10 +364,10 @@ func TestS3ApiController_ListActions(t *testing.T) {
 	//Error case
 	s3ApiControllerError := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			ListObjectsFunc: func(bucket, prefix, marker, delim string, maxkeys int) (*s3.ListObjectsOutput, error) {
+			ListObjectsFunc: func(context.Context, *s3.ListObjectsInput) (*s3.ListObjectsOutput, error) {
 				return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
 			},
 		},
@@ -392,6 +377,7 @@ func TestS3ApiController_ListActions(t *testing.T) {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{})
 		return ctx.Next()
 	})
 	appError.Get("/:bucket", s3ApiControllerError.ListActions)
@@ -497,13 +483,13 @@ func TestS3ApiController_PutBucketActions(t *testing.T) {
 
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			PutBucketAclFunc: func(string, []byte) error {
+			PutBucketAclFunc: func(context.Context, string, []byte) error {
 				return nil
 			},
-			PutBucketFunc: func(bucket, owner string) error {
+			CreateBucketFunc: func(context.Context, *s3.CreateBucketInput) error {
 				return nil
 			},
 		},
@@ -513,6 +499,7 @@ func TestS3ApiController_PutBucketActions(t *testing.T) {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{Owner: "valid access"})
 		return ctx.Next()
 	})
 	app.Put("/:bucket", s3ApiController.PutBucketActions)
@@ -592,6 +579,15 @@ func TestS3ApiController_PutBucketActions(t *testing.T) {
 			wantErr:    false,
 			statusCode: 200,
 		},
+		{
+			name: "Put-bucket-invalid-bucket-name",
+			app:  app,
+			args: args{
+				req: httptest.NewRequest(http.MethodPut, "/aa", nil),
+			},
+			wantErr:    false,
+			statusCode: 400,
+		},
 		{
 			name: "Put-bucket-success",
 			app:  app,
@@ -649,25 +645,27 @@ func TestS3ApiController_PutActions(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			PutObjectAclFunc: func(*s3.PutObjectAclInput) error {
+			PutObjectAclFunc: func(context.Context, *s3.PutObjectAclInput) error {
 				return nil
 			},
-			CopyObjectFunc: func(srcBucket, srcObject, DstBucket, dstObject string) (*s3.CopyObjectOutput, error) {
-				return &s3.CopyObjectOutput{}, nil
+			CopyObjectFunc: func(context.Context, *s3.CopyObjectInput) (*s3.CopyObjectOutput, error) {
+				return &s3.CopyObjectOutput{
+					CopyObjectResult: &types.CopyObjectResult{},
+				}, nil
 			},
-			PutObjectFunc: func(*s3.PutObjectInput) (string, error) {
-				return "Hey", nil
+			PutObjectFunc: func(context.Context, *s3.PutObjectInput) (string, error) {
+				return "ETag", nil
 			},
-			PutObjectPartFunc: func(bucket, object, uploadID string, part int, length int64, r io.Reader) (string, error) {
+			UploadPartFunc: func(context.Context, *s3.UploadPartInput) (string, error) {
 				return "hello", nil
 			},
-			SetTagsFunc: func(bucket, object string, tags map[string]string) error {
+			SetTagsFunc: func(_ context.Context, bucket, object string, tags map[string]string) error {
 				return nil
 			},
-			UploadPartCopyFunc: func(uploadPartCopyInput *s3.UploadPartCopyInput) (s3response.CopyObjectResult, error) {
+			UploadPartCopyFunc: func(context.Context, *s3.UploadPartCopyInput) (s3response.CopyObjectResult, error) {
 				return s3response.CopyObjectResult{}, nil
 			},
 		},
@@ -676,6 +674,7 @@ func TestS3ApiController_PutActions(t *testing.T) {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{})
 		return ctx.Next()
 	})
 	app.Put("/:bucket/:key/*", s3ApiController.PutActions)
@@ -861,10 +860,10 @@ func TestS3ApiController_DeleteBucket(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			DeleteBucketFunc: func(bucket string) error {
+			DeleteBucketFunc: func(context.Context, *s3.DeleteBucketInput) error {
 				return nil
 			},
 		},
@@ -874,6 +873,7 @@ func TestS3ApiController_DeleteBucket(t *testing.T) {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{})
 		return ctx.Next()
 	})
 
@@ -917,11 +917,11 @@ func TestS3ApiController_DeleteObjects(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			DeleteObjectsFunc: func(bucket string, objects *s3.DeleteObjectsInput) error {
-				return nil
+			DeleteObjectsFunc: func(context.Context, *s3.DeleteObjectsInput) (s3response.DeleteObjectsResult, error) {
+				return s3response.DeleteObjectsResult{}, nil
 			},
 		},
 	}
@@ -930,6 +930,7 @@ func TestS3ApiController_DeleteObjects(t *testing.T) {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{})
 		return ctx.Next()
 	})
 	app.Post("/:bucket", s3ApiController.DeleteObjects)
@@ -987,16 +988,16 @@ func TestS3ApiController_DeleteActions(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			DeleteObjectFunc: func(bucket, object string) error {
+			DeleteObjectFunc: func(context.Context, *s3.DeleteObjectInput) error {
 				return nil
 			},
-			AbortMultipartUploadFunc: func(*s3.AbortMultipartUploadInput) error {
+			AbortMultipartUploadFunc: func(context.Context, *s3.AbortMultipartUploadInput) error {
 				return nil
 			},
-			RemoveTagsFunc: func(bucket, object string) error {
+			RemoveTagsFunc: func(_ context.Context, bucket, object string) error {
 				return nil
 			},
 		},
@@ -1006,6 +1007,7 @@ func TestS3ApiController_DeleteActions(t *testing.T) {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{})
 		return ctx.Next()
 	})
 	app.Delete("/:bucket/:key/*", s3ApiController.DeleteActions)
@@ -1014,10 +1016,10 @@ func TestS3ApiController_DeleteActions(t *testing.T) {
 	appErr := fiber.New()
 
 	s3ApiControllerErr := S3ApiController{be: &BackendMock{
-		GetBucketAclFunc: func(bucket string) ([]byte, error) {
+		GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 			return acldata, nil
 		},
-		DeleteObjectFunc: func(bucket, object string) error {
+		DeleteObjectFunc: func(context.Context, *s3.DeleteObjectInput) error {
 			return s3err.GetAPIError(7)
 		},
 	}}
@@ -1026,6 +1028,7 @@ func TestS3ApiController_DeleteActions(t *testing.T) {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{})
 		return ctx.Next()
 	})
 	appErr.Delete("/:bucket/:key/*", s3ApiControllerErr.DeleteActions)
@@ -1095,10 +1098,10 @@ func TestS3ApiController_HeadBucket(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			HeadBucketFunc: func(bucket string) (*s3.HeadBucketOutput, error) {
+			HeadBucketFunc: func(context.Context, *s3.HeadBucketInput) (*s3.HeadBucketOutput, error) {
 				return &s3.HeadBucketOutput{}, nil
 			},
 		},
@@ -1108,6 +1111,7 @@ func TestS3ApiController_HeadBucket(t *testing.T) {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{})
 		return ctx.Next()
 	})
 
@@ -1117,10 +1121,10 @@ func TestS3ApiController_HeadBucket(t *testing.T) {
 	appErr := fiber.New()
 
 	s3ApiControllerErr := S3ApiController{be: &BackendMock{
-		GetBucketAclFunc: func(bucket string) ([]byte, error) {
+		GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 			return acldata, nil
 		},
-		HeadBucketFunc: func(bucket string) (*s3.HeadBucketOutput, error) {
+		HeadBucketFunc: func(context.Context, *s3.HeadBucketInput) (*s3.HeadBucketOutput, error) {
 			return nil, s3err.GetAPIError(3)
 		},
 	},
@@ -1130,6 +1134,7 @@ func TestS3ApiController_HeadBucket(t *testing.T) {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{})
 		return ctx.Next()
 	})
 
@@ -1189,10 +1194,10 @@ func TestS3ApiController_HeadObject(t *testing.T) {
 
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			HeadObjectFunc: func(bucket, object string) (*s3.HeadObjectOutput, error) {
+			HeadObjectFunc: func(context.Context, *s3.HeadObjectInput) (*s3.HeadObjectOutput, error) {
 				return &s3.HeadObjectOutput{
 					ContentEncoding: &contentEncoding,
 					ContentLength:   64,
@@ -1208,6 +1213,7 @@ func TestS3ApiController_HeadObject(t *testing.T) {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{})
 		return ctx.Next()
 	})
 	app.Head("/:bucket/:key/*", s3ApiController.HeadObject)
@@ -1217,10 +1223,10 @@ func TestS3ApiController_HeadObject(t *testing.T) {
 
 	s3ApiControllerErr := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			HeadObjectFunc: func(bucket, object string) (*s3.HeadObjectOutput, error) {
+			HeadObjectFunc: func(context.Context, *s3.HeadObjectInput) (*s3.HeadObjectOutput, error) {
 				return nil, s3err.GetAPIError(42)
 			},
 		},
@@ -1230,6 +1236,7 @@ func TestS3ApiController_HeadObject(t *testing.T) {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{})
 		return ctx.Next()
 	})
 	appErr.Head("/:bucket/:key/*", s3ApiControllerErr.HeadObject)
@@ -1280,25 +1287,36 @@ func TestS3ApiController_CreateActions(t *testing.T) {
 	app := fiber.New()
 	s3ApiController := S3ApiController{
 		be: &BackendMock{
-			GetBucketAclFunc: func(bucket string) ([]byte, error) {
+			GetBucketAclFunc: func(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
 				return acldata, nil
 			},
-			RestoreObjectFunc: func(bucket, object string, restoreRequest *s3.RestoreObjectInput) error {
+			RestoreObjectFunc: func(context.Context, *s3.RestoreObjectInput) error {
 				return nil
 			},
-			CompleteMultipartUploadFunc: func(bucket, object, uploadID string, parts []types.Part) (*s3.CompleteMultipartUploadOutput, error) {
+			CompleteMultipartUploadFunc: func(context.Context, *s3.CompleteMultipartUploadInput) (*s3.CompleteMultipartUploadOutput, error) {
 				return &s3.CompleteMultipartUploadOutput{}, nil
 			},
-			CreateMultipartUploadFunc: func(*s3.CreateMultipartUploadInput) (*s3.CreateMultipartUploadOutput, error) {
+			CreateMultipartUploadFunc: func(context.Context, *s3.CreateMultipartUploadInput) (*s3.CreateMultipartUploadOutput, error) {
 				return &s3.CreateMultipartUploadOutput{}, nil
 			},
+			SelectObjectContentFunc: func(contextMoqParam context.Context, selectObjectContentInput *s3.SelectObjectContentInput) (s3response.SelectObjectContentResult, error) {
+				return s3response.SelectObjectContentResult{}, nil
+			},
 		},
 	}
 
+	bdy := `
+		<SelectObjectContentRequest>
+			<Expression>string</Expression>
+			<ExpressionType>string</ExpressionType>
+		</SelectObjectContentRequest>
+	`
+
 	app.Use(func(ctx *fiber.Ctx) error {
 		ctx.Locals("access", "valid access")
 		ctx.Locals("isRoot", true)
 		ctx.Locals("isDebug", false)
+		ctx.Locals("parsedAcl", auth.ACL{})
 		return ctx.Next()
 	})
 	app.Post("/:bucket/:key/*", s3ApiController.CreateActions)
@@ -1328,6 +1346,24 @@ func TestS3ApiController_CreateActions(t *testing.T) {
 			wantErr:    false,
 			statusCode: 500,
 		},
+		{
+			name: "Select-object-content-invalid-body",
+			app:  app,
+			args: args{
+				req: httptest.NewRequest(http.MethodPost, "/my-bucket/my-key?select&select-type=2", nil),
+			},
+			wantErr:    false,
+			statusCode: 400,
+		},
+		{
+			name: "Select-object-content-invalid-body",
+			app:  app,
+			args: args{
+				req: httptest.NewRequest(http.MethodPost, "/my-bucket/my-key?select&select-type=2", strings.NewReader(bdy)),
+			},
+			wantErr:    false,
+			statusCode: 200,
+		},
 		{
 			name: "Complete-multipart-upload-error",
 			app:  app,
@@ -1335,7 +1371,7 @@ func TestS3ApiController_CreateActions(t *testing.T) {
 				req: httptest.NewRequest(http.MethodPost, "/my-bucket/my-key?uploadId=23423", nil),
 			},
 			wantErr:    false,
-			statusCode: 500,
+			statusCode: 400,
 		},
 		{
 			name: "Complete-multipart-upload-success",
@@ -1435,7 +1471,7 @@ func Test_XMLresponse(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			if err := SendXMLResponse(tt.args.ctx, tt.args.resp, tt.args.err); (err != nil) != tt.wantErr {
+			if err := SendXMLResponse(tt.args.ctx, tt.args.resp, tt.args.err, &MetaOpts{}); (err != nil) != tt.wantErr {
 				t.Errorf("response() %v error = %v, wantErr %v", tt.name, err, tt.wantErr)
 			}
 
@@ -1515,7 +1551,7 @@ func Test_response(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			if err := SendResponse(tt.args.ctx, tt.args.err); (err != nil) != tt.wantErr {
+			if err := SendResponse(tt.args.ctx, tt.args.err, &MetaOpts{}); (err != nil) != tt.wantErr {
 				t.Errorf("response() %v error = %v, wantErr %v", tt.name, err, tt.wantErr)
 			}
 

s3api/middlewares/acl-parser.go

@@ -0,0 +1,61 @@
+// Copyright 2023 Versity Software
+// This file is 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 middlewares
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/aws/aws-sdk-go-v2/service/s3"
+	"github.com/gofiber/fiber/v2"
+	"github.com/versity/versitygw/auth"
+	"github.com/versity/versitygw/backend"
+	"github.com/versity/versitygw/s3api/controllers"
+	"github.com/versity/versitygw/s3log"
+)
+
+func AclParser(be backend.Backend, logger s3log.AuditLogger) fiber.Handler {
+	return func(ctx *fiber.Ctx) error {
+		isRoot, access := ctx.Locals("isRoot").(bool), ctx.Locals("access").(string)
+		path := ctx.Path()
+		pathParts := strings.Split(path, "/")
+		bucket := pathParts[1]
+		if path == "/" && ctx.Method() == http.MethodGet {
+			return ctx.Next()
+		}
+		if ctx.Method() == http.MethodPatch {
+			return ctx.Next()
+		}
+		if len(pathParts) == 2 && pathParts[1] != "" && ctx.Method() == http.MethodPut && !ctx.Request().URI().QueryArgs().Has("acl") {
+			if err := auth.IsAdmin(access, isRoot); err != nil {
+				return controllers.SendXMLResponse(ctx, nil, err, &controllers.MetaOpts{Logger: logger, Action: "CreateBucket"})
+			}
+			return ctx.Next()
+		}
+		//TODO: provide correct action names for the logger, after implementing DetectAction middleware
+		data, err := be.GetBucketAcl(ctx.Context(), &s3.GetBucketAclInput{Bucket: &bucket})
+		if err != nil {
+			return controllers.SendResponse(ctx, err, &controllers.MetaOpts{Logger: logger})
+		}
+
+		parsedAcl, err := auth.ParseACL(data)
+		if err != nil {
+			return controllers.SendResponse(ctx, err, &controllers.MetaOpts{Logger: logger})
+		}
+
+		ctx.Locals("parsedAcl", parsedAcl)
+		return ctx.Next()
+	}
+}

s3api/middlewares/authentication.go

@@ -29,6 +29,7 @@ import (
 	"github.com/versity/versitygw/s3api/controllers"
 	"github.com/versity/versitygw/s3api/utils"
 	"github.com/versity/versitygw/s3err"
+	"github.com/versity/versitygw/s3log"
 )
 
 const (
@@ -40,13 +41,15 @@ type RootUserConfig struct {
 	Secret string
 }
 
-func VerifyV4Signature(root RootUserConfig, iam auth.IAMService, region string, debug bool) fiber.Handler {
+func VerifyV4Signature(root RootUserConfig, iam auth.IAMService, logger s3log.AuditLogger, region string, debug bool) fiber.Handler {
 	acct := accounts{root: root, iam: iam}
 
 	return func(ctx *fiber.Ctx) error {
+		ctx.Locals("region", region)
+		ctx.Locals("startTime", time.Now())
 		authorization := ctx.Get("Authorization")
 		if authorization == "" {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrAuthHeaderEmpty))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrAuthHeaderEmpty), &controllers.MetaOpts{Logger: logger})
 		}
 
 		// Check the signature version
@@ -56,48 +59,52 @@ func VerifyV4Signature(root RootUserConfig, iam auth.IAMService, region string,
 		}
 
 		if len(authParts) != 3 {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrMissingFields))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrMissingFields), &controllers.MetaOpts{Logger: logger})
 		}
 
 		startParts := strings.Split(authParts[0], " ")
 
 		if startParts[0] != "AWS4-HMAC-SHA256" {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrSignatureVersionNotSupported))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrSignatureVersionNotSupported), &controllers.MetaOpts{Logger: logger})
 		}
 
 		credKv := strings.Split(startParts[1], "=")
 		if len(credKv) != 2 {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrCredMalformed))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrCredMalformed), &controllers.MetaOpts{Logger: logger})
 		}
 		creds := strings.Split(credKv[1], "/")
 		if len(creds) < 4 {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrCredMalformed))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrCredMalformed), &controllers.MetaOpts{Logger: logger})
 		}
 
+		ctx.Locals("access", creds[0])
+		ctx.Locals("isRoot", creds[0] == root.Access)
+
 		signHdrKv := strings.Split(authParts[1], "=")
 		if len(signHdrKv) != 2 {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrCredMalformed))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrCredMalformed), &controllers.MetaOpts{Logger: logger})
 		}
 		signedHdrs := strings.Split(signHdrKv[1], ";")
 
 		account, err := acct.getAccount(creds[0])
 		if err == auth.ErrNoSuchUser {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrInvalidAccessKeyID))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrInvalidAccessKeyID), &controllers.MetaOpts{Logger: logger})
 		}
 		if err != nil {
-			return controllers.SendResponse(ctx, err)
+			return controllers.SendResponse(ctx, err, &controllers.MetaOpts{Logger: logger})
 		}
+		ctx.Locals("role", account.Role)
 
 		// Check X-Amz-Date header
 		date := ctx.Get("X-Amz-Date")
 		if date == "" {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrMissingDateHeader))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrMissingDateHeader), &controllers.MetaOpts{Logger: logger})
 		}
 
 		// Parse the date and check the date validity
 		tdate, err := time.Parse(iso8601Format, date)
 		if err != nil {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrMalformedDate))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrMalformedDate), &controllers.MetaOpts{Logger: logger})
 		}
 
 		hashPayloadHeader := ctx.Get("X-Amz-Content-Sha256")
@@ -110,14 +117,14 @@ func VerifyV4Signature(root RootUserConfig, iam auth.IAMService, region string,
 
 			// Compare the calculated hash with the hash provided
 			if hashPayloadHeader != hexPayload {
-				return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrContentSHA256Mismatch))
+				return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrContentSHA256Mismatch), &controllers.MetaOpts{Logger: logger})
 			}
 		}
 
 		// Create a new http request instance from fasthttp request
 		req, err := utils.CreateHttpRequestFromCtx(ctx, signedHdrs)
 		if err != nil {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrInternalError))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrInternalError), &controllers.MetaOpts{Logger: logger})
 		}
 
 		signer := v4.NewSigner()
@@ -132,24 +139,20 @@ func VerifyV4Signature(root RootUserConfig, iam auth.IAMService, region string,
 			}
 		})
 		if signErr != nil {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrInternalError))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrInternalError), &controllers.MetaOpts{Logger: logger})
 		}
 
 		parts := strings.Split(req.Header.Get("Authorization"), " ")
 		if len(parts) < 4 {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrMissingFields))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrMissingFields), &controllers.MetaOpts{Logger: logger})
 		}
 		calculatedSign := strings.Split(parts[3], "=")[1]
 		expectedSign := strings.Split(authParts[2], "=")[1]
 
 		if expectedSign != calculatedSign {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrSignatureDoesNotMatch))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrSignatureDoesNotMatch), &controllers.MetaOpts{Logger: logger})
 		}
 
-		ctx.Locals("role", account.Role)
-		ctx.Locals("access", creds[0])
-		ctx.Locals("isRoot", creds[0] == root.Access)
-
 		return ctx.Next()
 	}
 }

s3api/middlewares/md5.go

@@ -21,9 +21,10 @@ import (
 	"github.com/gofiber/fiber/v2"
 	"github.com/versity/versitygw/s3api/controllers"
 	"github.com/versity/versitygw/s3err"
+	"github.com/versity/versitygw/s3log"
 )
 
-func VerifyMD5Body() fiber.Handler {
+func VerifyMD5Body(logger s3log.AuditLogger) fiber.Handler {
 	return func(ctx *fiber.Ctx) error {
 		incomingSum := ctx.Get("Content-Md5")
 		if incomingSum == "" {
@@ -34,10 +35,9 @@ func VerifyMD5Body() fiber.Handler {
 		calculatedSum := base64.StdEncoding.EncodeToString(sum[:])
 
 		if incomingSum != calculatedSum {
-			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrInvalidDigest))
+			return controllers.SendResponse(ctx, s3err.GetAPIError(s3err.ErrInvalidDigest), &controllers.MetaOpts{Logger: logger})
 		}
 
 		return ctx.Next()
-
 	}
 }

s3api/router.go

@@ -19,12 +19,14 @@ import (
 	"github.com/versity/versitygw/auth"
 	"github.com/versity/versitygw/backend"
 	"github.com/versity/versitygw/s3api/controllers"
+	"github.com/versity/versitygw/s3event"
+	"github.com/versity/versitygw/s3log"
 )
 
 type S3ApiRouter struct{}
 
-func (sa *S3ApiRouter) Init(app *fiber.App, be backend.Backend, iam auth.IAMService) {
-	s3ApiController := controllers.New(be, iam)
+func (sa *S3ApiRouter) Init(app *fiber.App, be backend.Backend, iam auth.IAMService, logger s3log.AuditLogger, evs s3event.S3EventSender) {
+	s3ApiController := controllers.New(be, iam, logger, evs)
 	adminController := controllers.AdminController{IAMService: iam}
 
 	app.Patch("/create-user", adminController.CreateUser)

s3api/router_test.go

@@ -45,7 +45,7 @@ func TestS3ApiRouter_Init(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			tt.sa.Init(tt.args.app, tt.args.be, tt.args.iam)
+			tt.sa.Init(tt.args.app, tt.args.be, tt.args.iam, nil, nil)
 		})
 	}
 }

s3api/server.go

@@ -22,6 +22,8 @@ import (
 	"github.com/versity/versitygw/auth"
 	"github.com/versity/versitygw/backend"
 	"github.com/versity/versitygw/s3api/middlewares"
+	"github.com/versity/versitygw/s3event"
+	"github.com/versity/versitygw/s3log"
 )
 
 type S3ApiServer struct {
@@ -33,7 +35,7 @@ type S3ApiServer struct {
 	debug   bool
 }
 
-func New(app *fiber.App, be backend.Backend, root middlewares.RootUserConfig, port, region string, iam auth.IAMService, opts ...Option) (*S3ApiServer, error) {
+func New(app *fiber.App, be backend.Backend, root middlewares.RootUserConfig, port, region string, iam auth.IAMService, l s3log.AuditLogger, evs s3event.S3EventSender, opts ...Option) (*S3ApiServer, error) {
 	server := &S3ApiServer{
 		app:     app,
 		backend: be,
@@ -50,10 +52,11 @@ func New(app *fiber.App, be backend.Backend, root middlewares.RootUserConfig, po
 	app.Use(middlewares.RequestLogger(server.debug))
 
 	// Authentication middlewares
-	app.Use(middlewares.VerifyV4Signature(root, iam, region, server.debug))
-	app.Use(middlewares.VerifyMD5Body())
+	app.Use(middlewares.VerifyV4Signature(root, iam, l, region, server.debug))
+	app.Use(middlewares.VerifyMD5Body(l))
+	app.Use(middlewares.AclParser(be, l))
 
-	server.router.Init(app, be, iam)
+	server.router.Init(app, be, iam, l, evs)
 
 	return server, nil
 }

s3api/server_test.go

@@ -64,7 +64,7 @@ func TestNew(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			gotS3ApiServer, err := New(tt.args.app, tt.args.be, tt.args.root,
-				tt.args.port, "us-east-1", &auth.IAMServiceInternal{})
+				tt.args.port, "us-east-1", &auth.IAMServiceInternal{}, nil, nil)
 			if (err != nil) != tt.wantErr {
 				t.Errorf("New() error = %v, wantErr %v", err, tt.wantErr)
 				return

s3api/utils/utils.go

@@ -19,12 +19,18 @@ import (
 	"errors"
 	"fmt"
 	"net/http"
+	"regexp"
 	"strings"
 
 	"github.com/gofiber/fiber/v2"
 	"github.com/valyala/fasthttp"
 )
 
+var (
+	bucketNameRegexp   = regexp.MustCompile(`^[a-z0-9][a-z0-9.-]+[a-z0-9]$`)
+	bucketNameIpRegexp = regexp.MustCompile(`^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$`)
+)
+
 func GetUserMetaData(headers *fasthttp.RequestHeader) (metadata map[string]string) {
 	metadata = make(map[string]string)
 	headers.VisitAll(func(key, value []byte) {
@@ -83,6 +89,22 @@ func SetResponseHeaders(ctx *fiber.Ctx, headers []CustomHeader) {
 	}
 }
 
+func IsValidBucketName(bucket string) bool {
+	if len(bucket) < 3 || len(bucket) > 63 {
+		return false
+	}
+	// Checks to contain only digits, lowercase letters, dot, hyphen.
+	// Checks to start and end with only digits and lowercase letters.
+	if !bucketNameRegexp.MatchString(bucket) {
+		return false
+	}
+	// Checks not to be a valid IP address
+	if bucketNameIpRegexp.MatchString(bucket) {
+		return false
+	}
+	return true
+}
+
 func includeHeader(hdr string, signedHdrs []string) bool {
 	for _, shdr := range signedHdrs {
 		if strings.EqualFold(hdr, shdr) {

s3api/utils/utils_test.go

@@ -153,3 +153,71 @@ func Test_includeHeader(t *testing.T) {
 		})
 	}
 }
+
+func TestIsValidBucketName(t *testing.T) {
+	type args struct {
+		bucket string
+	}
+	tests := []struct {
+		name string
+		args args
+		want bool
+	}{
+		{
+			name: "IsValidBucketName-short-name",
+			args: args{
+				bucket: "a",
+			},
+			want: false,
+		},
+		{
+			name: "IsValidBucketName-start-with-hyphen",
+			args: args{
+				bucket: "-bucket",
+			},
+			want: false,
+		},
+		{
+			name: "IsValidBucketName-start-with-dot",
+			args: args{
+				bucket: ".bucket",
+			},
+			want: false,
+		},
+		{
+			name: "IsValidBucketName-contain-invalid-character",
+			args: args{
+				bucket: "my@bucket",
+			},
+			want: false,
+		},
+		{
+			name: "IsValidBucketName-end-with-hyphen",
+			args: args{
+				bucket: "bucket-",
+			},
+			want: false,
+		},
+		{
+			name: "IsValidBucketName-end-with-dot",
+			args: args{
+				bucket: "bucket.",
+			},
+			want: false,
+		},
+		{
+			name: "IsValidBucketName-valid-bucket-name",
+			args: args{
+				bucket: "my-bucket",
+			},
+			want: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := IsValidBucketName(tt.args.bucket); got != tt.want {
+				t.Errorf("IsValidBucketName() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

s3err/s3err.go

@@ -106,7 +106,9 @@ const (
 	ErrNotImplemented
 	ErrPreconditionFailed
 	ErrInvalidObjectState
+	ErrInvalidRange
 
+	// Non-AWS errors
 	ErrExistingObjectIsDirectory
 	ErrObjectParentIsFile
 )
@@ -374,6 +376,11 @@ var errorCodeResponse = map[ErrorCode]APIError{
 		Description:    "The operation is not valid for the current state of the object",
 		HTTPStatusCode: http.StatusForbidden,
 	},
+	ErrInvalidRange: {
+		Code:           "InvalidRange",
+		Description:    "The requested range is not valid for the request. Try another range.",
+		HTTPStatusCode: http.StatusRequestedRangeNotSatisfiable,
+	},
 	ErrExistingObjectIsDirectory: {
 		Code:           "ExistingObjectIsDirectory",
 		Description:    "Existing Object is a directory.",

s3event/event.go

@@ -0,0 +1,130 @@
+// Copyright 2023 Versity Software
+// This file is 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 s3event
+
+import (
+	"fmt"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+type S3EventSender interface {
+	SendEvent(ctx *fiber.Ctx, meta EventMeta)
+}
+
+type EventMeta struct {
+	BucketOwner string
+	EventName   EventType
+	ObjectSize  int64
+	ObjectETag  *string
+	VersionId   *string
+}
+
+type EventFields struct {
+	Records []EventSchema
+}
+
+type EventType string
+
+const (
+	EventObjectPut               EventType = "s3:ObjectCreated:Put"
+	EventObjectCopy              EventType = "s3:ObjectCreated:Copy"
+	EventCompleteMultipartUpload EventType = "s3:ObjectCreated:CompleteMultipartUpload"
+	EventObjectDelete            EventType = "s3:ObjectRemoved:Delete"
+	EventObjectRestoreCompleted  EventType = "s3:ObjectRestore:Completed"
+	EventObjectTaggingPut        EventType = "s3:ObjectTagging:Put"
+	EventObjectTaggingDelete     EventType = "s3:ObjectTagging:Delete"
+	EventObjectAclPut            EventType = "s3:ObjectAcl:Put"
+	// Not supported
+	// EventObjectRestorePost       EventType = "s3:ObjectRestore:Post"
+	// EventObjectRestoreDelete     EventType = "s3:ObjectRestore:Delete"
+)
+
+type EventSchema struct {
+	EventVersion      string                `json:"eventVersion"`
+	EventSource       string                `json:"eventSource"`
+	AwsRegion         string                `json:"awsRegion"`
+	EventTime         string                `json:"eventTime"`
+	EventName         EventType             `json:"eventName"`
+	UserIdentity      EventUserIdentity     `json:"userIdentity"`
+	RequestParameters EventRequestParams    `json:"requestParameters"`
+	ResponseElements  EventResponseElements `json:"responseElements"`
+	S3                EventS3Data           `json:"s3"`
+	GlacierEventData  EventGlacierData      `json:"glacierEventData"`
+}
+
+type EventUserIdentity struct {
+	PrincipalId string `json:"PrincipalId"`
+}
+
+type EventRequestParams struct {
+	SourceIPAddress string `json:"sourceIPAddress"`
+}
+
+type EventResponseElements struct {
+	RequestId string `json:"x-amz-request-id"`
+	HostId    string `json:"x-amz-id-2"`
+}
+
+type EventS3Data struct {
+	S3SchemaVersion string            `json:"s3SchemaVersion"`
+	ConfigurationId string            `json:"configurationId"`
+	Bucket          EventS3BucketData `json:"bucket"`
+	Object          EventObjectData   `json:"object"`
+}
+
+type EventGlacierData struct {
+	RestoreEventData EventRestoreData `json:"restoreEventData"`
+}
+
+type EventRestoreData struct {
+	LifecycleRestorationExpiryTime string `json:"lifecycleRestorationExpiryTime"`
+	LifecycleRestoreStorageClass   string `json:"lifecycleRestoreStorageClass"`
+}
+
+type EventS3BucketData struct {
+	Name          string            `json:"name"`
+	OwnerIdentity EventUserIdentity `json:"ownerIdentity"`
+	Arn           string            `json:"arn"`
+}
+
+type EventObjectData struct {
+	Key       string  `json:"key"`
+	Size      int64   `json:"size"`
+	ETag      *string `json:"eTag"`
+	VersionId *string `json:"versionId"`
+	Sequencer string  `json:"sequencer"`
+}
+
+type EventConfig struct {
+	KafkaURL      string
+	KafkaTopic    string
+	KafkaTopicKey string
+	NatsURL       string
+	NatsTopic     string
+}
+
+func InitEventSender(cfg *EventConfig) (S3EventSender, error) {
+	if cfg.KafkaURL != "" && cfg.NatsURL != "" {
+		return nil, fmt.Errorf("there should be specified one of the following: kafka, nats")
+	}
+	if cfg.NatsURL != "" {
+		return InitNatsEventService(cfg.NatsURL, cfg.NatsTopic)
+	}
+	if cfg.KafkaURL != "" {
+		return InitKafkaEventService(cfg.KafkaURL, cfg.KafkaTopic, cfg.KafkaTopicKey)
+	}
+	return nil, nil
+}

s3event/kafka.go

@@ -0,0 +1,153 @@
+// Copyright 2023 Versity Software
+// This file is 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 s3event
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/segmentio/kafka-go"
+)
+
+var sequencer = 0
+
+type Kafka struct {
+	key    string
+	writer *kafka.Writer
+	mu     sync.Mutex
+}
+
+func InitKafkaEventService(url, topic, key string) (S3EventSender, error) {
+	if topic == "" {
+		return nil, fmt.Errorf("kafka message topic should be specified")
+	}
+
+	w := kafka.NewWriter(kafka.WriterConfig{
+		Brokers:      []string{url},
+		Topic:        topic,
+		Balancer:     &kafka.LeastBytes{},
+		BatchTimeout: 5 * time.Millisecond,
+	})
+
+	msg := map[string]string{
+		"Service": "S3",
+		"Event":   "s3:TestEvent",
+		"Time":    time.Now().Format(time.RFC3339),
+		"Bucket":  "Test-Bucket",
+	}
+
+	msgJSON, err := json.Marshal(msg)
+	if err != nil {
+		return nil, err
+	}
+
+	message := kafka.Message{
+		Key:   []byte(key),
+		Value: msgJSON,
+	}
+
+	ctx := context.Background()
+
+	err = w.WriteMessages(ctx, message)
+	if err != nil {
+		return nil, err
+	}
+
+	return &Kafka{
+		key:    key,
+		writer: w,
+	}, nil
+}
+
+func (ks *Kafka) SendEvent(ctx *fiber.Ctx, meta EventMeta) {
+	ks.mu.Lock()
+	defer ks.mu.Unlock()
+
+	path := strings.Split(ctx.Path(), "/")
+	bucket, object := path[1], strings.Join(path[2:], "/")
+
+	schema := EventSchema{
+		EventVersion: "2.2",
+		EventSource:  "aws:s3",
+		AwsRegion:    ctx.Locals("region").(string),
+		EventTime:    time.Now().Format(time.RFC3339),
+		EventName:    meta.EventName,
+		UserIdentity: EventUserIdentity{
+			PrincipalId: ctx.Locals("access").(string),
+		},
+		RequestParameters: EventRequestParams{
+			SourceIPAddress: ctx.IP(),
+		},
+		ResponseElements: EventResponseElements{
+			RequestId: ctx.Get("X-Amz-Request-Id"),
+			HostId:    ctx.Get("X-Amx-Id-2"),
+		},
+		S3: EventS3Data{
+			S3SchemaVersion: "1.0",
+			// This field will come up after implementing per bucket notifications
+			ConfigurationId: "kafka-global",
+			Bucket: EventS3BucketData{
+				Name: bucket,
+				OwnerIdentity: EventUserIdentity{
+					PrincipalId: ctx.Locals("access").(string),
+				},
+				Arn: fmt.Sprintf("arn:aws:s3:::%v", strings.Join(path, "/")),
+			},
+			Object: EventObjectData{
+				Key:       object,
+				Size:      meta.ObjectSize,
+				ETag:      meta.ObjectETag,
+				VersionId: meta.VersionId,
+				Sequencer: genSequencer(),
+			},
+		},
+		GlacierEventData: EventGlacierData{
+			// Not supported
+			RestoreEventData: EventRestoreData{},
+		},
+	}
+
+	ks.send([]EventSchema{schema})
+}
+
+func (ks *Kafka) send(evnt []EventSchema) {
+	msg, err := json.Marshal(evnt)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to parse the event data: %v\n", err.Error())
+		return
+	}
+
+	message := kafka.Message{
+		Key:   []byte(ks.key),
+		Value: msg,
+	}
+
+	ctx := context.Background()
+	err = ks.writer.WriteMessages(ctx, message)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to send kafka event: %v\n", err.Error())
+	}
+}
+
+func genSequencer() string {
+	sequencer = sequencer + 1
+	return fmt.Sprintf("%X", sequencer)
+}

s3event/nats.go

@@ -0,0 +1,112 @@
+// Copyright 2023 Versity Software
+// This file is 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 s3event
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/nats-io/nats.go"
+)
+
+type NatsEventSender struct {
+	topic  string
+	client *nats.Conn
+	mu     sync.Mutex
+}
+
+func InitNatsEventService(url, topic string) (S3EventSender, error) {
+	if topic == "" {
+		return nil, fmt.Errorf("nats message topic should be specified")
+	}
+
+	client, err := nats.Connect(url)
+	if err != nil {
+		return nil, err
+	}
+
+	return &NatsEventSender{
+		topic:  topic,
+		client: client,
+	}, nil
+}
+
+func (ns *NatsEventSender) SendEvent(ctx *fiber.Ctx, meta EventMeta) {
+	ns.mu.Lock()
+	defer ns.mu.Unlock()
+
+	path := strings.Split(ctx.Path(), "/")
+	bucket, object := path[1], strings.Join(path[2:], "/")
+
+	schema := EventSchema{
+		EventVersion: "2.2",
+		EventSource:  "aws:s3",
+		AwsRegion:    ctx.Locals("region").(string),
+		EventTime:    time.Now().Format(time.RFC3339),
+		EventName:    meta.EventName,
+		UserIdentity: EventUserIdentity{
+			PrincipalId: ctx.Locals("access").(string),
+		},
+		RequestParameters: EventRequestParams{
+			SourceIPAddress: ctx.IP(),
+		},
+		ResponseElements: EventResponseElements{
+			RequestId: ctx.Get("X-Amz-Request-Id"),
+			HostId:    ctx.Get("X-Amx-Id-2"),
+		},
+		S3: EventS3Data{
+			S3SchemaVersion: "1.0",
+			// This field will come up after implementing per bucket notifications
+			ConfigurationId: "nats-global",
+			Bucket: EventS3BucketData{
+				Name: bucket,
+				OwnerIdentity: EventUserIdentity{
+					PrincipalId: ctx.Locals("access").(string),
+				},
+				Arn: fmt.Sprintf("arn:aws:s3:::%v", strings.Join(path, "/")),
+			},
+			Object: EventObjectData{
+				Key:       object,
+				Size:      meta.ObjectSize,
+				ETag:      meta.ObjectETag,
+				VersionId: meta.VersionId,
+				Sequencer: genSequencer(),
+			},
+		},
+		GlacierEventData: EventGlacierData{
+			// Not supported
+			RestoreEventData: EventRestoreData{},
+		},
+	}
+
+	ns.send([]EventSchema{schema})
+}
+
+func (ns *NatsEventSender) send(evnt []EventSchema) {
+	msg, err := json.Marshal(evnt)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to parse the event data: %v\n", err.Error())
+	}
+
+	err = ns.client.Publish(ns.topic, msg)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to send nats event: %v\n", err.Error())
+	}
+}

s3log/audit-logger.go

@@ -0,0 +1,112 @@
+// Copyright 2023 Versity Software
+// This file is 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 s3log
+
+import (
+	"crypto/tls"
+	"encoding/hex"
+	"fmt"
+	"math/rand"
+	"strings"
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+type AuditLogger interface {
+	Log(ctx *fiber.Ctx, err error, body []byte, meta LogMeta)
+	HangUp() error
+	Shutdown() error
+}
+
+type LogMeta struct {
+	BucketOwner string
+	ObjectSize  int64
+	Action      string
+}
+
+type LogConfig struct {
+	LogFile    string
+	WebhookURL string
+}
+
+type LogFields struct {
+	BucketOwner        string
+	Bucket             string
+	Time               time.Time
+	RemoteIP           string
+	Requester          string
+	RequestID          string
+	Operation          string
+	Key                string
+	RequestURI         string
+	HttpStatus         int
+	ErrorCode          string
+	BytesSent          int
+	ObjectSize         int64
+	TotalTime          int64
+	TurnAroundTime     int64
+	Referer            string
+	UserAgent          string
+	VersionID          string
+	HostID             string
+	SignatureVersion   string
+	CipherSuite        string
+	AuthenticationType string
+	HostHeader         string
+	TLSVersion         string
+	AccessPointARN     string
+	AclRequired        string
+}
+
+func InitLogger(cfg *LogConfig) (AuditLogger, error) {
+	if cfg.WebhookURL != "" && cfg.LogFile != "" {
+		return nil, fmt.Errorf("there should be specified one of the following: file, webhook")
+	}
+	if cfg.WebhookURL != "" {
+		return InitWebhookLogger(cfg.WebhookURL)
+	}
+	if cfg.LogFile != "" {
+		return InitFileLogger(cfg.LogFile)
+	}
+
+	return nil, nil
+}
+
+func genID() string {
+	src := rand.New(rand.NewSource(time.Now().UnixNano()))
+	b := make([]byte, 8)
+
+	if _, err := src.Read(b); err != nil {
+		panic(err)
+	}
+
+	return strings.ToUpper(hex.EncodeToString(b))
+}
+
+func getTLSVersionName(version uint16) string {
+	switch version {
+	case tls.VersionTLS10:
+		return "TLSv1.0"
+	case tls.VersionTLS11:
+		return "TLSv1.1"
+	case tls.VersionTLS12:
+		return "TLSv1.2"
+	case tls.VersionTLS13:
+		return "TLSv1.3"
+	default:
+		return ""
+	}
+}

s3log/file.go

@@ -0,0 +1,230 @@
+// Copyright 2023 Versity Software
+// This file is 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 s3log
+
+import (
+	"crypto/tls"
+	"fmt"
+	"os"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/versity/versitygw/s3err"
+)
+
+const (
+	logFileMode = 0600
+	timeFormat  = "02/January/2006:15:04:05 -0700"
+)
+
+// FileLogger is a local file audit log
+type FileLogger struct {
+	logfile string
+	f       *os.File
+	gotErr  bool
+	mu      sync.Mutex
+}
+
+var _ AuditLogger = &FileLogger{}
+
+// InitFileLogger initializes audit logs to local file
+func InitFileLogger(logname string) (AuditLogger, error) {
+	f, err := os.OpenFile(logname, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		return nil, fmt.Errorf("open log: %w", err)
+	}
+
+	f.WriteString(fmt.Sprintf("log starts %v\n", time.Now()))
+
+	return &FileLogger{logfile: logname, f: f}, nil
+}
+
+// Log sends log message to file logger
+func (f *FileLogger) Log(ctx *fiber.Ctx, err error, body []byte, meta LogMeta) {
+	f.mu.Lock()
+	defer f.mu.Unlock()
+
+	if f.gotErr {
+		return
+	}
+
+	lf := LogFields{}
+
+	access := "-"
+	reqURI := ctx.Request().URI().String()
+	path := strings.Split(ctx.Path(), "/")
+	bucket, object := path[1], strings.Join(path[2:], "/")
+	errorCode := ""
+	httpStatus := 200
+	startTime := ctx.Locals("startTime").(time.Time)
+	tlsConnState := ctx.Context().TLSConnectionState()
+	if tlsConnState != nil {
+		lf.CipherSuite = tls.CipherSuiteName(tlsConnState.CipherSuite)
+		lf.TLSVersion = getTLSVersionName(tlsConnState.Version)
+	}
+
+	if err != nil {
+		serr, ok := err.(s3err.APIError)
+		if ok {
+			errorCode = serr.Code
+			httpStatus = serr.HTTPStatusCode
+		} else {
+			errorCode = err.Error()
+			httpStatus = 500
+		}
+	}
+
+	switch ctx.Locals("access").(type) {
+	case string:
+		access = ctx.Locals("access").(string)
+	}
+
+	lf.BucketOwner = meta.BucketOwner
+	lf.Bucket = bucket
+	lf.Time = time.Now()
+	lf.RemoteIP = ctx.IP()
+	lf.Requester = access
+	lf.RequestID = genID()
+	lf.Operation = meta.Action
+	lf.Key = object
+	lf.RequestURI = reqURI
+	lf.HttpStatus = httpStatus
+	lf.ErrorCode = errorCode
+	lf.BytesSent = len(body)
+	lf.ObjectSize = meta.ObjectSize
+	lf.TotalTime = time.Since(startTime).Milliseconds()
+	lf.TurnAroundTime = time.Since(startTime).Milliseconds()
+	lf.Referer = ctx.Get("Referer")
+	lf.UserAgent = ctx.Get("User-Agent")
+	lf.VersionID = ctx.Query("versionId")
+	lf.HostID = ctx.Get("X-Amz-Id-2")
+	lf.SignatureVersion = "SigV4"
+	lf.AuthenticationType = "AuthHeader"
+	lf.HostHeader = fmt.Sprintf("s3.%v.amazonaws.com", ctx.Locals("region").(string))
+	lf.AccessPointARN = fmt.Sprintf("arn:aws:s3:::%v", strings.Join(path, "/"))
+	lf.AclRequired = "Yes"
+
+	f.writeLog(lf)
+}
+
+func (f *FileLogger) writeLog(lf LogFields) {
+	if lf.BucketOwner == "" {
+		lf.BucketOwner = "-"
+	}
+	if lf.Bucket == "" {
+		lf.Bucket = "-"
+	}
+	if lf.RemoteIP == "" {
+		lf.RemoteIP = "-"
+	}
+	if lf.Requester == "" {
+		lf.Requester = "-"
+	}
+	if lf.Operation == "" {
+		lf.Operation = "-"
+	}
+	if lf.Key == "" {
+		lf.Key = "-"
+	}
+	if lf.RequestURI == "" {
+		lf.RequestURI = "-"
+	}
+	if lf.ErrorCode == "" {
+		lf.ErrorCode = "-"
+	}
+	if lf.Referer == "" {
+		lf.Referer = "-"
+	}
+	if lf.UserAgent == "" {
+		lf.UserAgent = "-"
+	}
+	if lf.VersionID == "" {
+		lf.VersionID = "-"
+	}
+	if lf.HostID == "" {
+		lf.HostID = "-"
+	}
+	if lf.CipherSuite == "" {
+		lf.CipherSuite = "-"
+	}
+	if lf.HostHeader == "" {
+		lf.HostHeader = "-"
+	}
+	if lf.TLSVersion == "" {
+		lf.TLSVersion = "-"
+	}
+
+	log := fmt.Sprintf("%v %v %v %v %v %v %v %v %v %v %v %v %v %v %v %v %v %v %v %v %v %v %v %v %v %v\n",
+		lf.BucketOwner,
+		lf.Bucket,
+		fmt.Sprintf("[%v]", lf.Time.Format(timeFormat)),
+		lf.RemoteIP,
+		lf.Requester,
+		lf.RequestID,
+		lf.Operation,
+		lf.Key,
+		lf.RequestURI,
+		lf.HttpStatus,
+		lf.ErrorCode,
+		lf.BytesSent,
+		lf.ObjectSize,
+		lf.TotalTime,
+		lf.TurnAroundTime,
+		lf.Referer,
+		lf.UserAgent,
+		lf.VersionID,
+		lf.HostID,
+		lf.SignatureVersion,
+		lf.CipherSuite,
+		lf.AuthenticationType,
+		lf.HostHeader,
+		lf.TLSVersion,
+		lf.AccessPointARN,
+		lf.AclRequired,
+	)
+
+	_, err := f.f.WriteString(log)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "error writing to log file: %v\n", err)
+		// TODO: do we need to terminate on log error?
+		// set err for now so that we don't spew errors
+		f.gotErr = true
+	}
+}
+
+// HangUp closes current logfile handle and opens a new one
+// typically needed for log rotations
+func (f *FileLogger) HangUp() error {
+	err := f.f.Close()
+	if err != nil {
+		return fmt.Errorf("close log: %w", err)
+	}
+
+	f.f, err = os.OpenFile(f.logfile, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		return fmt.Errorf("open log: %w", err)
+	}
+
+	f.f.WriteString(fmt.Sprintf("log starts %v\n", time.Now()))
+
+	return nil
+}
+
+// Shutdown closes logfile handle
+func (f *FileLogger) Shutdown() error {
+	return f.f.Close()
+}

s3log/webhook.go

@@ -0,0 +1,156 @@
+// Copyright 2023 Versity Software
+// This file is 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 s3log
+
+import (
+	"bytes"
+	"crypto/tls"
+	"encoding/json"
+	"fmt"
+	"net"
+	"net/http"
+	"os"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/versity/versitygw/s3err"
+)
+
+// WebhookLogger is a webhook URL audit log
+type WebhookLogger struct {
+	mu  sync.Mutex
+	url string
+}
+
+var _ AuditLogger = &WebhookLogger{}
+
+// InitWebhookLogger initializes audit logs to webhook URL
+func InitWebhookLogger(url string) (AuditLogger, error) {
+	client := &http.Client{
+		Timeout: 3 * time.Second,
+	}
+	_, err := client.Post(url, "application/json", nil)
+	if err != nil {
+		if err, ok := err.(net.Error); ok && !err.Timeout() {
+			return nil, fmt.Errorf("unreachable webhook url: %w", err)
+		}
+	}
+	return &WebhookLogger{
+		url: url,
+	}, nil
+}
+
+// Log sends log message to webhook
+func (wl *WebhookLogger) Log(ctx *fiber.Ctx, err error, body []byte, meta LogMeta) {
+	wl.mu.Lock()
+	defer wl.mu.Unlock()
+
+	lf := LogFields{}
+
+	access := "-"
+	reqURI := ctx.Request().URI().String()
+	path := strings.Split(ctx.Path(), "/")
+	bucket, object := path[1], strings.Join(path[2:], "/")
+	errorCode := ""
+	httpStatus := 200
+	startTime := ctx.Locals("startTime").(time.Time)
+	tlsConnState := ctx.Context().TLSConnectionState()
+	if tlsConnState != nil {
+		lf.CipherSuite = tls.CipherSuiteName(tlsConnState.CipherSuite)
+		lf.TLSVersion = getTLSVersionName(tlsConnState.Version)
+	}
+
+	if err != nil {
+		serr, ok := err.(s3err.APIError)
+		if ok {
+			errorCode = serr.Code
+			httpStatus = serr.HTTPStatusCode
+		} else {
+			errorCode = err.Error()
+			httpStatus = 500
+		}
+	}
+
+	switch ctx.Locals("access").(type) {
+	case string:
+		access = ctx.Locals("access").(string)
+	}
+
+	lf.BucketOwner = meta.BucketOwner
+	lf.Bucket = bucket
+	lf.Time = time.Now()
+	lf.RemoteIP = ctx.IP()
+	lf.Requester = access
+	lf.RequestID = genID()
+	lf.Operation = meta.Action
+	lf.Key = object
+	lf.RequestURI = reqURI
+	lf.HttpStatus = httpStatus
+	lf.ErrorCode = errorCode
+	lf.BytesSent = len(body)
+	lf.ObjectSize = meta.ObjectSize
+	lf.TotalTime = time.Since(startTime).Milliseconds()
+	lf.TurnAroundTime = time.Since(startTime).Milliseconds()
+	lf.Referer = ctx.Get("Referer")
+	lf.UserAgent = ctx.Get("User-Agent")
+	lf.VersionID = ctx.Query("versionId")
+	lf.HostID = ctx.Get("X-Amz-Id-2")
+	lf.SignatureVersion = "SigV4"
+	lf.AuthenticationType = "AuthHeader"
+	lf.HostHeader = fmt.Sprintf("s3.%v.amazonaws.com", ctx.Locals("region").(string))
+	lf.AccessPointARN = fmt.Sprintf("arn:aws:s3:::%v", strings.Join(path, "/"))
+	lf.AclRequired = "Yes"
+
+	wl.sendLog(lf)
+}
+
+func (wl *WebhookLogger) sendLog(lf LogFields) {
+	jsonLog, err := json.Marshal(lf)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to parse the log data: %v\n", err.Error())
+	}
+
+	req, err := http.NewRequest(http.MethodPost, wl.url, bytes.NewReader(jsonLog))
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+	}
+	req.Header.Set("Content-Type", "application/json; charset=utf-8")
+
+	go makeRequest(req)
+}
+
+func makeRequest(req *http.Request) {
+	client := &http.Client{
+		Timeout: 1 * time.Second,
+	}
+	_, err := client.Do(req)
+	if err != nil {
+		if err, ok := err.(net.Error); ok && !err.Timeout() {
+			fmt.Fprintf(os.Stderr, "error sending webhook log: %v\n", err)
+		}
+	}
+}
+
+// HangUp does nothing for webhooks
+func (wl *WebhookLogger) HangUp() error {
+	return nil
+}
+
+// Shutdown does nothing for webhooks
+func (wl *WebhookLogger) Shutdown() error {
+	return nil
+}

s3response/s3response.go

@@ -16,6 +16,8 @@ package s3response
 
 import (
 	"encoding/xml"
+
+	"github.com/aws/aws-sdk-go-v2/service/s3/types"
 )
 
 // Part describes part metadata.
@@ -27,7 +29,7 @@ type Part struct {
 }
 
 // ListPartsResponse - s3 api list parts response.
-type ListPartsResponse struct {
+type ListPartsResult struct {
 	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListPartsResult" json:"-"`
 
 	Bucket   string
@@ -50,7 +52,7 @@ type ListPartsResponse struct {
 }
 
 // ListMultipartUploadsResponse - s3 api list multipart uploads response.
-type ListMultipartUploadsResponse struct {
+type ListMultipartUploadsResult struct {
 	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListMultipartUploadsResult" json:"-"`
 
 	Bucket             string
@@ -107,3 +109,28 @@ type TagSet struct {
 type Tagging struct {
 	TagSet TagSet `xml:"TagSet"`
 }
+
+type DeleteObjects struct {
+	Objects []types.ObjectIdentifier `xml:"Object"`
+}
+
+type DeleteObjectsResult struct {
+	Deleted []types.DeletedObject
+	Errors  []types.Error
+}
+type SelectObjectContentPayload struct {
+	Expression          *string
+	ExpressionType      types.ExpressionType
+	RequestProgress     *types.RequestProgress
+	InputSerialization  *types.InputSerialization
+	OutputSerialization *types.OutputSerialization
+	ScanRange           *types.ScanRange
+}
+
+type SelectObjectContentResult struct {
+	Records  *types.RecordsEvent
+	Stats    *types.StatsEvent
+	Progress *types.ProgressEvent
+	Cont     *string
+	End      *string
+}