Add WebAssembly Support for Blazor and Uno

[JohnGalt1717]

It would be really great to have OidcClient also support webassembly with browser redirects. The reason why is that this would then create a transparent authentication layer that would work cross platform with Uno and would also be able to be used in blazor with code sharing and logic etc. too.

[leastprivilege]

support webassembly

What would I need to do to support WASM? My understanding was that netstandard is compatible?

with browser redirects

Does IBrowser not work for you?

[JohnGalt1717]

The issue is that unlike every other client you would use, web works differently in that it has to pre-parse using javascript, the return URL and then kick off the application again. Hence I don't see how this could work without it explicitly being handled.

Web: Redirect current browser away from app to idp => login => redirect back to app domain with response => parse response => load app again with values.

Everything else: Pop a browser window of some sort to idp => login => redirect to app url that does processing.

So since the web detaches from the process ibrowser expects, it can't work without accommodating it properly.

[leastprivilege]

Have you tried the PrepareLogin & ProcessResponse approach?

[JohnGalt1717]

I have not. Honestly this was a SPIKE to evaluate the viability of Uno to get full cross platform that Xamarin Forms just isn't capable of doing. It would be nice if there was a sample with WebAuthenticationBroker and Uno (or something similar) to make it just work across the board since this library works so well for basically all of the other platforms.

unoplatform/uno#3433

[leastprivilege]

see here

https://identitymodel.readthedocs.io/en/latest/native/manual.html

[JohnGalt1717]

@leastprivilege It would be really nice to just get this so that it would automatically work and cover the entire .NET supported space as a result...

[leastprivilege]

I don't have the time right now to look into that. Feel free to research yourself and let us know what you found out.

[leastprivilege]

Closing due to inactivity.

[github-actions]

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