public InternalSignalRConnectionInfoConfigurer(SignalRConnectionInfoConfigureFunc Configure)
{
this.Configure = Configure;
}
/// <summary>
/// Adds security token validation parameters' configuration and SignalR connection's configuration.
/// </summary>
/// <param name="builder">Azure function host builder</param>
/// <param name="configureTokenValidationParameters">Token validation parameters to validate security token</param>
/// <param name="configurer">SignalR connection configuration to be used in generating Azure SignalR service's access token</param>
/// <returns><see cref="IFunctionsHostBuilder"/>Azure function host builder</returns>
public static IFunctionsHostBuilder AddDefaultAuth(this IFunctionsHostBuilder builder, Action <TokenValidationParameters> configureTokenValidationParameters, SignalRConnectionInfoConfigureFunc configurer = null)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (configureTokenValidationParameters == null)
{
throw new ArgumentNullException(nameof(configureTokenValidationParameters));
}
var internalSignalRConnectionInfoConfigurer = new InternalSignalRConnectionInfoConfigurer(configurer);
if (builder.Services.Any(d => d.ServiceType == typeof(ISecurityTokenValidator)))
{
throw new NotSupportedException($"{nameof(ISecurityTokenValidator)} already injected.");
}
builder.Services
.AddSingleton <ISecurityTokenValidator>(s =>
new DefaultSecurityTokenValidator(configureTokenValidationParameters));
builder.Services.
TryAddSingleton <ISignalRConnectionInfoConfigurer>(s =>
internalSignalRConnectionInfoConfigurer);
return(builder);
}