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test/go_executable_install_script
versitygw/backend/backend.go
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Marc Singer ac5c3b4a86 Add WebsiteConfiguration types, validation, and S3 error codes 
Add S3 bucket website configuration types with XML serialization support
in s3response/website.go. Includes IndexDocument, ErrorDocument,
RedirectAllRequestsTo, and RoutingRules with full validation matching
AWS S3 behavior.

Add corresponding S3 error codes: ErrNoSuchWebsiteConfiguration,
ErrInvalidWebsiteConfiguration, ErrInvalidWebsiteSuffix, and
ErrInvalidWebsiteRedirectCode.

Unit tests cover validation logic, XML round-trip, and parsing.

Signed-off-by: Marc Singer <marc@singer.gg>

Add website backend interface and implementations for posix and s3proxy

Add PutBucketWebsite, GetBucketWebsite, and DeleteBucketWebsite methods
to the Backend interface with BackendUnsupported stubs that return
ErrNotImplemented.

Posix backend stores website config as a metadata attribute (key:
'website') following the same pattern as CORS. ScoutFS inherits via
embedding.

S3Proxy backend stores website config in the metadata bucket with
prefix 'vgw-meta-website-', consistent with existing ACL/policy/CORS
metadata storage. Returns ErrNoSuchWebsiteConfiguration when not found.

Signed-off-by: Marc Singer <marc@singer.gg>

Add website API controllers and wire into router

Add PutBucketWebsite, GetBucketWebsite, and DeleteBucketWebsite
controller methods following the same pattern as CORS. Controllers
parse and validate WebsiteConfiguration XML, check IAM authorization,
and delegate to the backend.

Replace the three HandleErrorRoute(ErrNotImplemented) stubs in the
router with the new controller methods. Regenerate the backend mock
to include the new interface methods.

Signed-off-by: Marc Singer <marc@singer.gg>

Add website index document middleware and wire into router

Add ResolveWebsiteIndex middleware that rewrites directory-like object keys
(empty or ending with /) to include the IndexDocument suffix when website
hosting is enabled. Also handles RedirectAllRequestsTo by returning 301.

Wire the middleware into both GetObject and HeadObject handler chains in
the router, positioned after BucketObjectNameValidator and before auth.

Signed-off-by: Marc Singer <marc@singer.gg>
2026-06-10 12:40:45 +04:00

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// 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()
NormalizeObjectKey(bucket, object string) string
// 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, bucket string, cors []byte) error
GetBucketCors(_ context.Context, bucket string) ([]byte, error)
DeleteBucketCors(_ context.Context, bucket string) error
PutBucketWebsite(_ context.Context, bucket string, website []byte) error
GetBucketWebsite(_ context.Context, bucket string) ([]byte, error)
DeleteBucketWebsite(_ 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, versionId string) (map[string]string, error)
PutObjectTagging(_ context.Context, bucket, object, versionId string, tags map[string]string) error
DeleteObjectTagging(_ context.Context, bucket, object, versionId 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, 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) NormalizeObjectKey(_, object string) string {
return object
}
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, string, []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) PutBucketWebsite(_ context.Context, bucket string, website []byte) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) GetBucketWebsite(_ context.Context, bucket string) ([]byte, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) DeleteBucketWebsite(_ 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, versionId string) (map[string]string, error) {
return nil, s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) PutObjectTagging(_ context.Context, bucket, object, versionId string, tags map[string]string) error {
return s3err.GetAPIError(s3err.ErrNotImplemented)
}
func (BackendUnsupported) DeleteObjectTagging(_ context.Context, bucket, object, versionId 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, 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)
}
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