Amazon API Gateway - Custom Authorizer Blueprints for AWS Lambda

We've added blueprints and examples in 3 languages for Lambda-based custom Authorizers for use in API Gateway.

Java

Not available in the Lambda console. Use the AuthPolicy object to generate and serialize IAM policies for your custom authorizer. See javadoc comments for more details.

NodeJS

Also available in the Lambda console, the NodeJS blueprint makes it easy to generate IAM policies, including Conditions.

Python

Also available in the Lambda console, the Python blueprint includes the AuthPolicy class, which makes generating IAM policies simple and easy to understand.

Go

Not available in the Lambda console. Use the AuthorizerResponse object to generate IAM policies for your custom authorizer. See comments for more details.

Rust

Not available in the Lambda console. Using awslabs/aws-lambda-rust-runtime. Use the APIGatewayPolicyBuilder object to generate IAM policies for your custom authorizer. See comments for more details.

Docs

For more details, see public documentation for:

API Gateway Custom Authorizers -- Blog Post -- Developer Guide
IAM Policy Language -- API Gateway Developer Guide -- Policy Language Reference