add support for http api auth

Author: manwaring

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html)
 
+## [3.4.0]  (2020-05-10)
+
+### Added
+
+- Added support for API Gateway v2 HTTP API Auth property
+
 ## [3.3.3]  (2020-05-08)
 
 ### Changed
@@ -207,6 +213,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/),
 - Update older libraries
 - Now publish from Git tags instead of master pushes
 
+[3.4.0]: https://github.com/manwaring/lambda-wrapper/compare/v3.3.3...v3.4.0
 [3.3.3]: https://github.com/manwaring/lambda-wrapper/compare/v3.3.1...v3.3.3
 [3.3.2]: https://github.com/manwaring/lambda-wrapper/compare/v3.3.1...v3.3.2
 [3.3.1]: https://github.com/manwaring/lambda-wrapper/compare/v3.3.0...v3.3.1

src/api/parser.ts

@@ -11,14 +11,21 @@ export class Request {
     const event = this.event;
     const path = event.pathParameters ? event.pathParameters : undefined;
     const query = event.queryStringParameters ? event.queryStringParameters : undefined;
-    const auth = event.requestContext && event.requestContext.authorizer ? event.requestContext.authorizer : undefined;
+    const auth = this.getAuth();
     const headers = event.headers ? event.headers : undefined;
     const body = new Body(event.body, headers).getParsedBody();
     const TEST_REQUEST_HEADER = process.env.TEST_REQUEST_HEADER || 'Test-Request';
     const testRequest = headers && headers[TEST_REQUEST_HEADER] ? JSON.parse(headers[TEST_REQUEST_HEADER]) : false;
     metrics.common({ body, path, query, auth, headers, testRequest });
     return { body, path, query, auth, headers, testRequest };
   }
+
+  private getAuth() {
+    const authorizer = this.event?.requestContext?.authorizer;
+    // @ts-ignore
+    const httpApiAuth = this.event.auth;
+    return authorizer ? authorizer : httpApiAuth;
+  }
 }
 
 export class Body {