return false
}

// Validates the preconditions. Returns true if PUT operation should not proceed.
// Preconditions supported are:
//
//	x-minio-source-mtime
//	x-minio-source-etag
func checkPreconditionsPUT(ctx context.Context, w http.ResponseWriter, r *http.Request, objInfo ObjectInfo, opts ObjectOptions) bool {
	// Return false for methods other than PUT.
	if r.Method != http.MethodPut && r.Method != http.MethodPost {

		opts.CheckPrecondFn = func(oi ObjectInfo) bool {
			if _, err := DecryptObjectInfo(&oi, r); err != nil {
				writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
				return true
			}
			return checkPreconditionsPUT(ctx, w, r, oi, opts)
		}
	}

	checksumType := hash.NewChecksumHeader(r.Header)
	if checksumType.Is(hash.ChecksumInvalid) {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidChecksum), r.URL)

		opts.CheckPrecondFn = func(oi ObjectInfo) bool {
			if _, err := DecryptObjectInfo(&oi, r); err != nil {
				writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
				return true
			}
			return checkPreconditionsPUT(ctx, w, r, oi, opts)
		}
	}

	retPerms := isPutActionAllowed(ctx, getRequestAuthType(r), bucket, object, r, policy.PutObjectRetentionAction)