How to get AssemblyAuthenticationContext from getService() in plugin?

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Posted on by vdblohowiak Microsoft Employee

I've seen IAssemblyAuthenticationContext used in plugins. I want to instantiate it in particular so I can use its AcquireToken() method. However, whenever I look in serviceProvider that is passed into the Execute() function for it, it is never available. This makes my AssemblyAuthContext variable below always null.

public void Execute(IServiceProvider serviceProvider)
{
    var PluginExecutionContext = serviceProvider.Get();
    var TracingService = new LocalTracingService(serviceProvider);
    
    // This is always null
    var AssemblyAuthContext = serviceProvider.Get();
    
    // What I wwant to do
    string token = AssemblyAuthContext.AcquireToken("url", "authResource, AuthenticationType.ClientAssertionCertificateWithX5c);
}

Anyone know how to make this available in a plugin? Do you have to pass it in somehow?

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Eric benco 320 on at

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what if happens if you try

serviceProvider.GetService(typeof(IAssemblyAuthenticationContext));

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vdblohowiak Microsoft Employee on at

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It's the same method as doing serviceProvider.Get<IAssemblyAuthenticationContext>();

I can debug the plugin and inspect what's in serviceProvider. Nothing of type "IAssemblyAuthenticationContext" is in there.

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