升级流程引擎配置文件版本

vendor/go.mongodb.org/mongo-driver/mongo/crypt_retrievers.go

@@ -0,0 +1,65 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package mongo
+
+import (
+	"context"
+
+	"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
+)
+
+// keyRetriever gets keys from the key vault collection.
+type keyRetriever struct {
+	coll *Collection
+}
+
+func (kr *keyRetriever) cryptKeys(ctx context.Context, filter bsoncore.Document) ([]bsoncore.Document, error) {
+	// Remove the explicit session from the context if one is set.
+	// The explicit session may be from a different client.
+	ctx = NewSessionContext(ctx, nil)
+	cursor, err := kr.coll.Find(ctx, filter)
+	if err != nil {
+		return nil, EncryptionKeyVaultError{Wrapped: err}
+	}
+	defer cursor.Close(ctx)
+
+	var results []bsoncore.Document
+	for cursor.Next(ctx) {
+		cur := make([]byte, len(cursor.Current))
+		copy(cur, cursor.Current)
+		results = append(results, cur)
+	}
+	if err = cursor.Err(); err != nil {
+		return nil, EncryptionKeyVaultError{Wrapped: err}
+	}
+
+	return results, nil
+}
+
+// collInfoRetriever gets info for collections from a database.
+type collInfoRetriever struct {
+	client *Client
+}
+
+func (cir *collInfoRetriever) cryptCollInfo(ctx context.Context, db string, filter bsoncore.Document) (bsoncore.Document, error) {
+	// Remove the explicit session from the context if one is set.
+	// The explicit session may be from a different client.
+	ctx = NewSessionContext(ctx, nil)
+	cursor, err := cir.client.Database(db).ListCollections(ctx, filter)
+	if err != nil {
+		return nil, err
+	}
+	defer cursor.Close(ctx)
+
+	if !cursor.Next(ctx) {
+		return nil, cursor.Err()
+	}
+
+	res := make([]byte, len(cursor.Current))
+	copy(res, cursor.Current)
+	return res, nil
+}