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Description:

awssolutionsconstructs.awswafwebaclapigateway 2.70.0

aws-wafwebacl-apigateway module
---

All classes are under active development and subject to non-backward compatible changes or removal in any
future version. These are not subject to the Semantic Versioning model.
This means that while you may use them, you may need to update your source code when upgrading to a newer version of this package.

Reference Documentation:
https://docs.aws.amazon.com/solutions/latest/constructs/

Language
Package

Python
aws_solutions_constructs.aws_wafwebacl_apigateway

Typescript
@aws-solutions-constructs/aws-wafwebacl-apigateway

Java
software.amazon.awsconstructs.services.wafwebaclapigateway

Overview
This AWS Solutions Construct implements an AWS WAF web ACL connected to Amazon API Gateway REST API.
Here is a minimal deployable pattern definition:
Typescript
import { Construct } from 'constructs';
import { Stack, StackProps } from 'aws-cdk-lib';
import * as lambda from "aws-cdk-lib/aws-lambda";
import { ApiGatewayToLambda } from '@aws-solutions-constructs/aws-apigateway-lambda';
import { WafwebaclToApiGatewayProps, WafwebaclToApiGateway } from "@aws-solutions-constructs/aws-wafwebacl-apigateway";

const apiGatewayToLambda = new ApiGatewayToLambda(this, 'ApiGatewayToLambdaPattern', {
lambdaFunctionProps: {
runtime: lambda.Runtime.NODEJS_16_X,
handler: 'index.handler',
code: lambda.Code.fromAsset(`lambda`)
}
});

// This construct can only be attached to a configured API Gateway.
new WafwebaclToApiGateway(this, 'test-wafwebacl-apigateway', {
existingApiGatewayInterface: apiGatewayToLambda.apiGateway
});

Python
from aws_solutions_constructs.aws_apigateway_lambda import ApiGatewayToLambda
from aws_solutions_constructs.aws_wafwebacl_apigateway import WafwebaclToApiGatewayProps, WafwebaclToApiGateway
from aws_cdk import (
aws_apigateway as api,
aws_lambda as _lambda,
Stack
)
from constructs import Construct

api_gateway_to_lambda = ApiGatewayToLambda(self, 'ApiGatewayToLambdaPattern',
lambda_function_props=_lambda.FunctionProps(
code=_lambda.Code.from_asset(
'lambda'),
runtime=_lambda.Runtime.PYTHON_3_9,
handler='index.handler'
)
)

# This construct can only be attached to a configured API Gateway.
WafwebaclToApiGateway(self, 'test_wafwebacl_apigateway',
existing_api_gateway_interface=api_gateway_to_lambda.api_gateway
)

Java
import software.constructs.Construct;

import software.amazon.awscdk.Stack;
import software.amazon.awscdk.StackProps;
import software.amazon.awscdk.services.apigateway.*;
import software.amazon.awscdk.services.lambda.*;
import software.amazon.awscdk.services.lambda.Runtime;
import software.amazon.awsconstructs.services.apigatewaylambda.*;
import software.amazon.awsconstructs.services.wafwebaclapigateway.*;

final ApiGatewayToLambda apiGatewayToLambda = new ApiGatewayToLambda(this, "ApiGatewayToLambdaPattern",
new ApiGatewayToLambdaProps.Builder()
.lambdaFunctionProps(new FunctionProps.Builder()
.runtime(Runtime.NODEJS_16_X)
.code(Code.fromAsset("lambda"))
.handler("index.handler")
.build())
.build());

// This construct can only be attached to a configured Application Load
// Balancer.
new WafwebaclToApiGateway(this, "test-wafwebacl-apigateway", new WafwebaclToApiGatewayProps.Builder()
.existingApiGatewayInterface(apiGatewayToLambda.getApiGateway())
.build());

Pattern Construct Props

Name
Type
Description

existingApiGatewayInterface
api.IRestApi
The existing API Gateway instance that will be protected with the WAF web ACL. Note that a WAF web ACL can only be added to a configured API Gateway, so this construct only accepts an existing IRestApi and does not accept apiGatewayProps.

existingWebaclObj?
waf.CfnWebACL
Existing instance of a WAF web ACL, an error will occur if this and props is set.

webaclProps?
waf.CfnWebACLProps
Optional user-provided props to override the default props for the AWS WAF web ACL. To use a different collection of managed rule sets, specify a new rules property. Use our wrapManagedRuleSet(managedGroupName: string, vendorName: string, priority: number) function from core to create an array entry from each desired managed rule set.

Pattern Properties

Name
Type
Description

webacl
waf.CfnWebACL
Returns an instance of the waf.CfnWebACL created by the construct.

apiGateway
api.IRestApi
Returns an instance of the API Gateway REST API created by the pattern.

Default settings
Out of the box implementation of the Construct without any override will set the following defaults:
AWS WAF

Deploy a WAF web ACL with 7 AWS managed rule groups.

AWSManagedRulesBotControlRuleSet
AWSManagedRulesKnownBadInputsRuleSet
AWSManagedRulesCommonRuleSet
AWSManagedRulesAnonymousIpList
AWSManagedRulesAmazonIpReputationList
AWSManagedRulesAdminProtectionRuleSet
AWSManagedRulesSQLiRuleSet

Note that the default rules can be replaced by specifying the rules property of CfnWebACLProps

Send metrics to Amazon CloudWatch

Amazon API Gateway

User provided API Gateway object is used as-is

Architecture

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