Upgrade dependent version: github.com/open-policy-agent/opa (#5315)

Upgrade dependent version: github.com/open-policy-agent/opa v0.18.0 -> v0.45.0

Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io>

Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io>

vendor/github.com/open-policy-agent/opa/storage/internal/ptr/ptr.go

@@ -0,0 +1,68 @@
+// Copyright 2021 The OPA Authors.  All rights reserved.
+// Use of this source code is governed by an Apache2
+// license that can be found in the LICENSE file.
+
+// Package ptr provides utilities for pointer operations using storage layer paths.
+package ptr
+
+import (
+	"strconv"
+
+	"github.com/open-policy-agent/opa/storage"
+	"github.com/open-policy-agent/opa/storage/internal/errors"
+)
+
+func Ptr(data interface{}, path storage.Path) (interface{}, error) {
+	node := data
+	for i := range path {
+		key := path[i]
+		switch curr := node.(type) {
+		case map[string]interface{}:
+			var ok bool
+			if node, ok = curr[key]; !ok {
+				return nil, errors.NewNotFoundError(path)
+			}
+		case []interface{}:
+			pos, err := ValidateArrayIndex(curr, key, path)
+			if err != nil {
+				return nil, err
+			}
+			node = curr[pos]
+		default:
+			return nil, errors.NewNotFoundError(path)
+		}
+	}
+
+	return node, nil
+}
+
+func ValidateArrayIndex(arr []interface{}, s string, path storage.Path) (int, error) {
+	idx, ok := isInt(s)
+	if !ok {
+		return 0, errors.NewNotFoundErrorWithHint(path, errors.ArrayIndexTypeMsg)
+	}
+	return inRange(idx, arr, path)
+}
+
+// ValidateArrayIndexForWrite also checks that `s` is a valid way to address an
+// array element like `ValidateArrayIndex`, but returns a `resource_conflict` error
+// if it is not.
+func ValidateArrayIndexForWrite(arr []interface{}, s string, i int, path storage.Path) (int, error) {
+	idx, ok := isInt(s)
+	if !ok {
+		return 0, errors.NewWriteConflictError(path[:i-1])
+	}
+	return inRange(idx, arr, path)
+}
+
+func isInt(s string) (int, bool) {
+	idx, err := strconv.Atoi(s)
+	return idx, err == nil
+}
+
+func inRange(i int, arr []interface{}, path storage.Path) (int, error) {
+	if i < 0 || i >= len(arr) {
+		return 0, errors.NewNotFoundErrorWithHint(path, errors.OutOfRangeMsg)
+	}
+	return i, nil
+}