/// <summary>
/// Configures the app service for Tetra Pak Sidecar Jwt Bearer Authentication while
/// specifying a cache implementation.
/// </summary>
/// <param name="c">
/// A <see cref="IServiceCollection"/>, to be configured for the requested auth flow.
/// </param>
/// <param name="options">
/// Options governing how/what to validate in the sidecar issued JWT bearer tokens.
/// </param>
/// <typeparam name="TCache">
/// Specifies a class for implementing caching (must implement <see cref="ITimeLimitedRepositories"/>).
/// </typeparam>
/// <returns>
/// The <see cref="IServiceCollection"/> instance.
/// </returns>
public static IServiceCollection AddSidecarJwtAuthentication <TCache>(
this IServiceCollection c,
SidecarJwBearerAssertionOptions options = null)
where TCache : class, ITimeLimitedRepositories
{
c.AddSingleton <HostProvider>();
c.AddSingleton <TetraPakAuthConfig, TetraPakApiAuthConfig>();
addCachingIfAllowed();
c.AddTetraPakWebApiClaimsTransformation();
c.AddTetraPakUserInformation();
c.AddSingleton <IConfigureOptions <JwtBearerOptions>, ConfigureJwtBearerOptions>(
p => new ConfigureJwtBearerOptions(p,
p.GetService <HostProvider>(),
p.GetService <IWebHostEnvironment>(),
options));
c.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
.AddJwtBearer(JwtBearerDefaults.AuthenticationScheme, null);
return(c);
void addCachingIfAllowed()
{
var provider = c.BuildServiceProvider();
var authConfig = provider.GetService <TetraPakAuthConfig>();
if (authConfig is null || !authConfig.IsCachingAllowed)
{
return;
}
if (!typeof(TCache).IsAssignableFrom(typeof(SimpleCache)))
{
c.AddSingleton <ITimeLimitedRepositories, TCache>();
return;
}
c.AddSingleton <ITimeLimitedRepositories, SimpleCache>(p =>
{
var cacheLogger = p.GetService <ILogger <SimpleCache> >();
var cache = new SimpleCache(cacheLogger)
{
DefaultLifeSpan = authConfig.DefaultCachingLifetime
};
var cacheConfig = authConfig.Caching.WithCache(cache);
return(cache.WithConfiguration(cacheConfig));
});
}
}
/// <summary>
/// Configures the app service for Tetra Pak Sidecar Jwt Bearer Authentication.
/// </summary>
/// <param name="c">
/// A <see cref="IServiceCollection"/>, to be configured for the requested auth flow.
/// </param>
/// <param name="options">
/// Options governing how/what to validate in the sidecar issued JWT bearer tokens.
/// </param>
/// <returns>
/// The <see cref="IServiceCollection"/> instance.
/// </returns>
public static IServiceCollection AddSidecarJwtAuthentication(
this IServiceCollection c,
SidecarJwBearerAssertionOptions options = null)
{
return(c.AddSidecarJwtAuthentication <SimpleCache>(options));
}