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/ast/schema.go

@@ -0,0 +1,63 @@
+// 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 ast
+
+import (
+	"fmt"
+
+	"github.com/open-policy-agent/opa/types"
+	"github.com/open-policy-agent/opa/util"
+)
+
+// SchemaSet holds a map from a path to a schema.
+type SchemaSet struct {
+	m *util.HashMap
+}
+
+// NewSchemaSet returns an empty SchemaSet.
+func NewSchemaSet() *SchemaSet {
+
+	eqFunc := func(a, b util.T) bool {
+		return a.(Ref).Equal(b.(Ref))
+	}
+
+	hashFunc := func(x util.T) int { return x.(Ref).Hash() }
+
+	return &SchemaSet{
+		m: util.NewHashMap(eqFunc, hashFunc),
+	}
+}
+
+// Put inserts a raw schema into the set.
+func (ss *SchemaSet) Put(path Ref, raw interface{}) {
+	ss.m.Put(path, raw)
+}
+
+// Get returns the raw schema identified by the path.
+func (ss *SchemaSet) Get(path Ref) interface{} {
+	if ss == nil {
+		return nil
+	}
+	x, ok := ss.m.Get(path)
+	if !ok {
+		return nil
+	}
+	return x
+}
+
+func loadSchema(raw interface{}, allowNet []string) (types.Type, error) {
+
+	jsonSchema, err := compileSchema(raw, allowNet)
+	if err != nil {
+		return nil, err
+	}
+
+	tpe, err := newSchemaParser().parseSchema(jsonSchema.RootSchema)
+	if err != nil {
+		return nil, fmt.Errorf("type checking: %w", err)
+	}
+
+	return tpe, nil
+}