// Will return nil if the grid connection is not initialized yet.
	gridConn func() *grid.Connection
}

// S3PeerSys - S3 peer call system.
type S3PeerSys struct {
	peerClients []peerS3Client // Excludes self
	poolsCount  int
}

// NewS3PeerSys - creates new S3 peer calls.
func NewS3PeerSys(endpoints EndpointServerPools) *S3PeerSys {
	return &S3PeerSys{
		peerClients: newPeerS3Clients(endpoints),

	"github.com/minio/minio/internal/logger"
)

type sses3 struct{}

var (
	// S3 represents AWS SSE-S3. It provides functionality to handle
	// SSE-S3 requests.
	S3 = sses3{}

	_ Type = S3
)

// String returns the SSE domain as string. For SSE-S3 the
// domain is "SSE-S3".
func (sses3) String() string { return "SSE-S3" }

func (sses3) IsRequested(h http.Header) bool {
	_, ok := h[xhttp.AmzServerSideEncryption]

			// If the object you request does not exist,
			// the error Amazon S3 returns depends on
			// whether you also have the s3:ListBucket
			// permission.
			// * If you have the s3:ListBucket permission
			//   on the bucket, Amazon S3 will return an
			//   HTTP status code 404 ("no such key")
			//   error.
			// * if you don’t have the s3:ListBucket
			//   permission, Amazon S3 will return an HTTP
			//   status code 403 ("access denied") error.`

	if rv != "" {
		ropts.VersionID = string(rv)
	}
	err := s3.client.RemoveObject(ctx, s3.Bucket, s3.getDest(object), ropts)
	return s3.ToObjectError(err, object)
}

func (s3 *warmBackendS3) InUse(ctx context.Context) (bool, error) {
	result, err := s3.core.ListObjectsV2(s3.Bucket, s3.Prefix, "", "", slashSeparator, 1)
	if err != nil {
		return false, s3.ToObjectError(err)
	}

Klaus Post <******@****.***> 1709924898 +0100

		expectedResult string
	}{
		{BucketCreated, "s3:BucketCreated:*"},
		{BucketRemoved, "s3:BucketRemoved:*"},
		{ObjectAccessedAll, "s3:ObjectAccessed:*"},
		{ObjectAccessedGet, "s3:ObjectAccessed:Get"},
		{ObjectAccessedHead, "s3:ObjectAccessed:Head"},
		{ObjectCreatedAll, "s3:ObjectCreated:*"},
		{ObjectCreatedCompleteMultipartUpload, "s3:ObjectCreated:CompleteMultipartUpload"},
		{ObjectCreatedCopy, "s3:ObjectCreated:Copy"},

//     Output: object_data
//
// ## SSE-S3
//
// SSE-S3 can use either a master key or a KMS as root-of-trust.
// The en/decryption slightly depens upon which root-of-trust is used.
//
// ### SSE-S3 and single master key
//
// The master key is used to derive unique object- and key-encryption-keys.
// SSE-S3 with a single master key works as SSE-C where the master key is

	testCases := []struct {
		inputXML       string
		keyID          string
		expectedErr    error
		shouldPass     bool
		expectedConfig *BucketSSEConfig
	}{
		// 1. Valid XML SSE-S3
		{
			inputXML:       `<ServerSideEncryptionConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/"><Rule><ApplyServerSideEncryptionByDefault><SSEAlgorithm>AES256</SSEAlgorithm></ApplyServerSideEncryptionByDefault></Rule></ServerSideEncryptionConfiguration>`,

	case ObjectAccessedAttributes:
		return "s3:ObjectAccessed:Attributes"
	case ObjectCreatedAll:
		return "s3:ObjectCreated:*"
	case ObjectCreatedCompleteMultipartUpload:
		return "s3:ObjectCreated:CompleteMultipartUpload"
	case ObjectCreatedCopy:
		return "s3:ObjectCreated:Copy"
	case ObjectCreatedPost:
		return "s3:ObjectCreated:Post"
	case ObjectCreatedPut:
		return "s3:ObjectCreated:Put"

		}

		// There is at least one SSE-S3 single-part object.
		// For all SSE-S3 single-part objects we have to
		// fetch their decryption keys. We do this using
		// a Bulk-Decryption API call, if available.
		keys, err := crypto.S3.UnsealObjectKeys(ctx, k, metadata, buckets, names)
		if err != nil {
			return err
		}

		// Now, we have to decrypt the ETags of SSE-S3 single-part