Adding Authorization to a Serverless Node.js App

Adding Authorization to a Serverless Node.js App

Use oso to add fine-grained authorization to a serverless Node.js app running on AWS Lambda, API Gateway, and DynamoDB.

The main benefit of developing a serverless application is that managing servers, balancing load, scaling up and down, and a hundred other things become someone else's problem (🎉). However, securing your serverless application with authorization remains decidedly your problem.

The cloud providers offer some helpful primitives like authentication solutions, access control for their own cloud services, and hooks for you to write your own custom authorization code, but much of the heavy lifting is left up to you. In addition to writing tons (and tons and tons) of JSON, you'll have to figure out the precise baton waves required to orchestrate your authorization service / function / sidecar (/ clowncar) to ensure that everything is wired up correctly ("Resource": "*" ought to do it) and that it's at least as available as the service it's protecting.

Or you could skip all that and use oso, the open source policy engine for authorization:

  • Kiss gigantic JSON documents goodbye and write authorization logic in a declarative language that mirrors the way you would explain the logic to a coworker.
  • Stop worrying about availability and orchestration by adding the oso library as a dependency and deploying it with the rest of your application code.
  • Render authorization decisions quickly with no time-wasting network hops or secondary service latency to contend with.

In our latest post, we'll show you how oso makes it simple to add extensible, fine-grained authorization to your serverless application -

node serverless aws lambda awslambda node.js

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