Refactor AWS SDK usage and update Lambda permissions

lib/plugins/aws/customResources/resources/s3/lib/permissions.js

@@ -1,6 +1,11 @@
 'use strict';
 
 const { awsRequest } = require('../../utils');
+const {
+  LambdaClient,
+  AddPermissionCommand,
+  RemovePermissionCommand,
+} = require('@aws-sdk/client-lambda');
 
 function getStatementId(functionName, bucketName) {
   const normalizedBucketName = bucketName.replace(/[.:*]/g, '');
@@ -13,24 +18,26 @@ function getStatementId(functionName, bucketName) {
 
 async function addPermission(config) {
   const { functionName, bucketName, partition, region, accountId } = config;
-  const payload = {
+  const addPermissionCommand = new AddPermissionCommand({
     Action: 'lambda:InvokeFunction',
     FunctionName: functionName,
     Principal: 's3.amazonaws.com',
     StatementId: getStatementId(functionName, bucketName),
     SourceArn: `arn:${partition}:s3:::${bucketName}`,
     SourceAccount: accountId,
-  };
-  return awsRequest({ name: 'Lambda', params: { region } }, 'addPermission', payload);
+  });
+  const lambdaClient = new LambdaClient({ region });
+  return await awsRequest(() => lambdaClient.send(addPermissionCommand));
 }
 
 async function removePermission(config) {
   const { functionName, bucketName, region } = config;
-  const payload = {
+  const removePermissionCommand = new RemovePermissionCommand({
     FunctionName: functionName,
     StatementId: getStatementId(functionName, bucketName),
-  };
-  return awsRequest({ name: 'Lambda', params: { region } }, 'removePermission', payload);
+  });
+  const lambdaClient = new LambdaClient({ region });
+  return awsRequest(() => lambdaClient.send(removePermissionCommand));
 }
 
 module.exports = {