Approov Integration for Elixir Phoenix Guardian Backends

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The Elixir programming language was created by Jose Valim in 2012 as a research project at Plataformatec, the company where he worked at the time. You can watch Elixir: The Documentary where he tells in the first person more about the motivations and reasons behind writing it.

In a nutshell Elixir is a functional, concurrent, distributed and general-purpose programming language that is aimed at building high-concurrency, low-latency, fault-tolerant and distributed applications which are highly scalable. Elixir runs in the battle tested (around 30 years) BEAM virtual machine used to implement the Erlang programming language.

The integration of Approov within an Elixir Phoenix API server will ensure that your API can only be accessed by genuine instances of your mobile app. Scripts and bots will be blocked. This is achieved by adding the Approov SDK to your mobile app and implementing the Approov Token check in your Elixir code couldn’t be easier because the token is a regular signed JWT. All you need is to use the ueberauth/guardian package to check the expiry time and verify the signature with the secret known only by your Elixir Phoenix API server and the Approov cloud service.

To enhance the protection of your Elixir Phoenix API further, you can secure each request by using the Approov Token Binding advanced feature of Approov. This allows you to check the binding of a header in the request with the Approov token itself, for example, the user authentication header.

Please follow one of the Quickstart guides in the repo to learn how to integrate Approov into your current Elixir Phoenix project.

If you have any questions around why or how to use Approov in your Elixir Phoenix project, don’t hesitate to contact us.

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