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Discussion on: Please Stop Using Local Storage

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bhaibel profile image
Betsy Haibel

Here's a question: in what contexts do SPAs need to use bearer token auth, and is this truly an ideal?

There's only one class of SPAs which CAN'T use cookie auth -- namely, SPAs using a statically served application shell. This is an architectural decision with a lot of tradeoffs to it. On the plus side S3 is cheap, there's a certain theoretical purity to having your web frontend go #serverless, and you only need to maintain one form of API authentication. On the minus side, you have to greenspin literally everything that the browser gives you for free.... like the nice security properties of cookie auth.

There's nothing wrong with maintaining a simple, stupid edge service that exists to maintain sessions & proxy requests to your API. It feels pretty oldschool, but it works pretty well. And if (when) your web frontend winds up wanting a sliiiiightly different API than your mobile app, having an edge service already in place makes that trivial! Most existing SSR frameworks (Next, Nuxt...) can serve this purpose without too much modification of an existing app-shell-style SPA.

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elasticrash profile image
Stefanos Kouroupis

You can work around statically served apps and authentication if you use a concept of an API gateway like Kong. I my case statically served apps are only allowed to go through a Kong like service...in which we can control authentication, rate limiting etc