Files
versitygw/backend/backend.go
Ben McClelland f295df2217 fix: add new auth method to update ownership within acl
Add helper util auth.UpdateBucketACLOwner() that sets new
default ACL based on new owner and removes old bucket policy.

The ChangeBucketOwner() remains in the backend.Backend
interface in case there is ever a backend that needs to manage
ownership in some other way than with bucket ACLs. The arguments
are changing to clarify the updated owner. This will break any
plugins implementing the old interface. They should use the new
auth.UpdateBucketACLOwner() or implement the corresponding
change specific for the backend.
2025-07-09 16:16:34 -07:00

289 lines
15 KiB
Go

// 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 backend
import (
"bufio"
"context"
"fmt"
"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"
"github.com/versity/versitygw/s3select"
)
//go:generate moq -out ../s3api/controllers/backend_moq_test.go -pkg controllers . Backend
type Backend interface {
fmt.Stringer
Shutdown()
// bucket operations
ListBuckets(context.Context, s3response.ListBucketsInput) (s3response.ListAllMyBucketsResult, error)
HeadBucket(context.Context, *s3.HeadBucketInput) (*s3.HeadBucketOutput, error)
GetBucketAcl(context.Context, *s3.GetBucketAclInput) ([]byte, error)
CreateBucket(_ context.Context, _ *s3.CreateBucketInput, defaultACL []byte) error
PutBucketAcl(_ context.Context, bucket string, data []byte) error
DeleteBucket(_ context.Context, bucket string) error
PutBucketVersioning(_ context.Context, bucket string, status types.BucketVersioningStatus) error
GetBucketVersioning(_ context.Context, bucket string) (s3response.GetBucketVersioningOutput, error)
PutBucketPolicy(_ context.Context, bucket string, policy []byte) error
GetBucketPolicy(_ context.Context, bucket string) ([]byte, error)
DeleteBucketPolicy(_ context.Context, bucket string) error
PutBucketOwnershipControls(_ context.Context, bucket string, ownership types.ObjectOwnership) error
GetBucketOwnershipControls(_ context.Context, bucket string) (types.ObjectOwnership, error)
DeleteBucketOwnershipControls(_ context.Context, bucket string) error
PutBucketCors(context.Context, []byte) error
GetBucketCors(_ context.Context, bucket string) ([]byte, error)
DeleteBucketCors(_ context.Context, bucket string) error
// multipart operations
CreateMultipartUpload(context.Context, s3response.CreateMultipartUploadInput) (s3response.InitiateMultipartUploadResult, error)
CompleteMultipartUpload(context.Context, *s3.CompleteMultipartUploadInput) (_ s3response.CompleteMultipartUploadResult, versionid string, _ 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) (*s3.UploadPartOutput, error)
UploadPartCopy(context.Context, *s3.UploadPartCopyInput) (s3response.CopyPartResult, error)
// standard object operations
PutObject(context.Context, s3response.PutObjectInput) (s3response.PutObjectOutput, error)
HeadObject(context.Context, *s3.HeadObjectInput) (*s3.HeadObjectOutput, error)
GetObject(context.Context, *s3.GetObjectInput) (*s3.GetObjectOutput, error)
GetObjectAcl(context.Context, *s3.GetObjectAclInput) (*s3.GetObjectAclOutput, error)
GetObjectAttributes(context.Context, *s3.GetObjectAttributesInput) (s3response.GetObjectAttributesResponse, error)
CopyObject(context.Context, s3response.CopyObjectInput) (s3response.CopyObjectOutput, error)
ListObjects(context.Context, *s3.ListObjectsInput) (s3response.ListObjectsResult, error)
ListObjectsV2(context.Context, *s3.ListObjectsV2Input) (s3response.ListObjectsV2Result, error)
DeleteObject(context.Context, *s3.DeleteObjectInput) (*s3.DeleteObjectOutput, error)
DeleteObjects(context.Context, *s3.DeleteObjectsInput) (s3response.DeleteResult, error)
PutObjectAcl(context.Context, *s3.PutObjectAclInput) error
ListObjectVersions(context.Context, *s3.ListObjectVersionsInput) (s3response.ListVersionsResult, error)
// special case object operations
RestoreObject(context.Context, *s3.RestoreObjectInput) error
SelectObjectContent(ctx context.Context, input *s3.SelectObjectContentInput) func(w *bufio.Writer)
// bucket tagging operations
GetBucketTagging(_ context.Context, bucket string) (map[string]string, error)
PutBucketTagging(_ context.Context, bucket string, tags map[string]string) error
DeleteBucketTagging(_ context.Context, bucket string) error
// object tagging operations
GetObjectTagging(_ context.Context, bucket, object string) (map[string]string, error)
PutObjectTagging(_ context.Context, bucket, object string, tags map[string]string) error
DeleteObjectTagging(_ context.Context, bucket, object string) error
// object lock operations
PutObjectLockConfiguration(_ context.Context, bucket string, config []byte) error
GetObjectLockConfiguration(_ context.Context, bucket string) ([]byte, error)
PutObjectRetention(_ context.Context, bucket, object, versionId string, bypass bool, retention []byte) error
GetObjectRetention(_ context.Context, bucket, object, versionId string) ([]byte, error)
PutObjectLegalHold(_ context.Context, bucket, object, versionId string, status bool) error
GetObjectLegalHold(_ context.Context, bucket, object, versionId string) (*bool, error)
// non AWS actions
ChangeBucketOwner(_ context.Context, bucket, owner string) error
ListBucketsAndOwners(context.Context) ([]s3response.Bucket, error)
}
type BackendUnsupported struct{}
var _ Backend = &BackendUnsupported{}
func New() Backend {
return &BackendUnsupported{}
}
func (BackendUnsupported) Shutdown() {}
func (BackendUnsupported) String() string {
return "Unsupported"
}
func (BackendUnsupported) ListBuckets(context.Context, s3response.ListBucketsInput) (s3response.ListAllMyBucketsResult, error) {
return s3response.ListAllMyBucketsResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) HeadBucket(context.Context, *s3.HeadBucketInput) (*s3.HeadBucketOutput, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetBucketAcl(context.Context, *s3.GetBucketAclInput) ([]byte, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) CreateBucket(context.Context, *s3.CreateBucketInput, []byte) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) PutBucketAcl(_ context.Context, bucket string, data []byte) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) DeleteBucket(_ context.Context, bucket string) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) PutBucketVersioning(_ context.Context, bucket string, status types.BucketVersioningStatus) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetBucketVersioning(_ context.Context, bucket string) (s3response.GetBucketVersioningOutput, error) {
return s3response.GetBucketVersioningOutput{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) PutBucketPolicy(_ context.Context, bucket string, policy []byte) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetBucketPolicy(_ context.Context, bucket string) ([]byte, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) DeleteBucketPolicy(_ context.Context, bucket string) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) PutBucketOwnershipControls(_ context.Context, bucket string, ownership types.ObjectOwnership) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetBucketOwnershipControls(_ context.Context, bucket string) (types.ObjectOwnership, error) {
return types.ObjectOwnershipBucketOwnerEnforced, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) DeleteBucketOwnershipControls(_ context.Context, bucket string) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) PutBucketCors(context.Context, []byte) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetBucketCors(_ context.Context, bucket string) ([]byte, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) DeleteBucketCors(_ context.Context, bucket string) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) CreateMultipartUpload(context.Context, s3response.CreateMultipartUploadInput) (s3response.InitiateMultipartUploadResult, error) {
return s3response.InitiateMultipartUploadResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) CompleteMultipartUpload(context.Context, *s3.CompleteMultipartUploadInput) (s3response.CompleteMultipartUploadResult, string, error) {
return s3response.CompleteMultipartUploadResult{}, "", s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) AbortMultipartUpload(context.Context, *s3.AbortMultipartUploadInput) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) ListMultipartUploads(context.Context, *s3.ListMultipartUploadsInput) (s3response.ListMultipartUploadsResult, error) {
return s3response.ListMultipartUploadsResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) ListParts(context.Context, *s3.ListPartsInput) (s3response.ListPartsResult, error) {
return s3response.ListPartsResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) UploadPart(context.Context, *s3.UploadPartInput) (*s3.UploadPartOutput, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) UploadPartCopy(context.Context, *s3.UploadPartCopyInput) (s3response.CopyPartResult, error) {
return s3response.CopyPartResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) PutObject(context.Context, s3response.PutObjectInput) (s3response.PutObjectOutput, error) {
return s3response.PutObjectOutput{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) HeadObject(context.Context, *s3.HeadObjectInput) (*s3.HeadObjectOutput, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetObject(context.Context, *s3.GetObjectInput) (*s3.GetObjectOutput, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetObjectAcl(context.Context, *s3.GetObjectAclInput) (*s3.GetObjectAclOutput, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetObjectAttributes(context.Context, *s3.GetObjectAttributesInput) (s3response.GetObjectAttributesResponse, error) {
return s3response.GetObjectAttributesResponse{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) CopyObject(context.Context, s3response.CopyObjectInput) (s3response.CopyObjectOutput, error) {
return s3response.CopyObjectOutput{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) ListObjects(context.Context, *s3.ListObjectsInput) (s3response.ListObjectsResult, error) {
return s3response.ListObjectsResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) ListObjectsV2(context.Context, *s3.ListObjectsV2Input) (s3response.ListObjectsV2Result, error) {
return s3response.ListObjectsV2Result{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) DeleteObject(context.Context, *s3.DeleteObjectInput) (*s3.DeleteObjectOutput, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) DeleteObjects(context.Context, *s3.DeleteObjectsInput) (s3response.DeleteResult, error) {
return s3response.DeleteResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) PutObjectAcl(context.Context, *s3.PutObjectAclInput) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) RestoreObject(context.Context, *s3.RestoreObjectInput) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) SelectObjectContent(ctx context.Context, input *s3.SelectObjectContentInput) func(w *bufio.Writer) {
return func(w *bufio.Writer) {
var getProgress s3select.GetProgress
progress := input.RequestProgress
if progress != nil && *progress.Enabled {
getProgress = func() (bytesScanned int64, bytesProcessed int64) {
return -1, -1
}
}
mh := s3select.NewMessageHandler(ctx, w, getProgress)
apiErr := s3err.GetAPIError(s3err.ErrNotImplemented)
mh.FinishWithError(apiErr.Code, apiErr.Description)
}
}
func (BackendUnsupported) ListObjectVersions(context.Context, *s3.ListObjectVersionsInput) (s3response.ListVersionsResult, error) {
return s3response.ListVersionsResult{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetBucketTagging(_ context.Context, bucket string) (map[string]string, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) PutBucketTagging(_ context.Context, bucket string, tags map[string]string) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) DeleteBucketTagging(_ context.Context, bucket string) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetObjectTagging(_ context.Context, bucket, object string) (map[string]string, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) PutObjectTagging(_ context.Context, bucket, object string, tags map[string]string) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) DeleteObjectTagging(_ context.Context, bucket, object string) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) PutObjectLockConfiguration(_ context.Context, bucket string, config []byte) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetObjectLockConfiguration(_ context.Context, bucket string) ([]byte, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) PutObjectRetention(_ context.Context, bucket, object, versionId string, bypass bool, retention []byte) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetObjectRetention(_ context.Context, bucket, object, versionId string) ([]byte, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) PutObjectLegalHold(_ context.Context, bucket, object, versionId string, status bool) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetObjectLegalHold(_ context.Context, bucket, object, versionId string) (*bool, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) ChangeBucketOwner(_ context.Context, bucket, owner string) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) ListBucketsAndOwners(context.Context) ([]s3response.Bucket, error) {
return []s3response.Bucket{}, s3err.GetAPIError(s3err.ErrNotImplemented)
}