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package s3api
import (
"errors"
"path"
"strings"
"github.com/seaweedfs/seaweedfs/weed/glog"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/seaweedfs/weed/s3api/s3tables"
)
var tableBucketFileValidator = s3tables.NewTableBucketFileValidator()
func (s3a *S3ApiServer) isTableBucket(bucket string) bool {
if bucket == "" {
return false
}
// Check cache first
if s3a.bucketRegistry != nil {
s3a.bucketRegistry.metadataCacheLock.RLock()
if metadata, ok := s3a.bucketRegistry.metadataCache[bucket]; ok {
s3a.bucketRegistry.metadataCacheLock.RUnlock()
return metadata.IsTableBucket
}
s3a.bucketRegistry.metadataCacheLock.RUnlock()
}
entry, err := s3a.getEntry(s3a.option.BucketsPath, bucket)
if err == nil && entry != nil {
if s3a.bucketRegistry != nil {
s3a.bucketRegistry.LoadBucketMetadata(entry)
}
return s3tables.IsTableBucketEntry(entry)
}
if err != nil && !errors.Is(err, filer_pb.ErrNotFound) {
glog.V(1).Infof("bucket lookup failed for %s: %v", bucket, err)
}
return false
}
func (s3a *S3ApiServer) bucketRoot(bucket string) string {
// Returns the unified buckets root path for all bucket types
return s3a.option.BucketsPath
}
func (s3a *S3ApiServer) bucketDir(bucket string) string {
return path.Join(s3a.bucketRoot(bucket), bucket)
}
func (s3a *S3ApiServer) validateTableBucketObjectPath(bucket, object string) error {
if !s3a.isTableBucket(bucket) {
return nil
}
cleanObject := strings.TrimPrefix(object, "/")
if cleanObject == "" {
return &s3tables.IcebergLayoutError{
Code: s3tables.ErrCodeInvalidIcebergLayout,
Message: "object must be under namespace/table/data or metadata",
}
}
fullPath := s3a.bucketDir(bucket)
if !strings.HasSuffix(fullPath, "/") {
fullPath += "/"
}
fullPath += cleanObject
if err := tableBucketFileValidator.ValidateTableBucketUpload(fullPath); err != nil {
return err
}
parts := strings.SplitN(cleanObject, "/", 4)
if len(parts) < 4 {
return &s3tables.IcebergLayoutError{
Code: s3tables.ErrCodeInvalidIcebergLayout,
Message: "object must be under namespace/table/data or metadata",
}
}
return nil
}
func (s3a *S3ApiServer) bucketPrefix(bucket string) string {
return s3a.bucketDir(bucket) + "/"
}
func (s3a *S3ApiServer) bucketExists(bucket string) (bool, error) {
entry, err := s3a.getBucketEntry(bucket)
if err != nil {
if errors.Is(err, filer_pb.ErrNotFound) {
return false, nil
}
return false, err
}
return entry != nil, nil
}
func (s3a *S3ApiServer) getBucketEntry(bucket string) (*filer_pb.Entry, error) {
return s3a.getEntry(s3a.option.BucketsPath, bucket)
}