/// <summary>
/// Gets the pre request hook for loading the authenticated user's details
/// from the auth header.
/// </summary>
/// <param name="configuration">Token authentication configuration to use</param>
/// <returns>Pre request hook delegate</returns>
private static Func <NancyContext, Response> GetCredentialRetrievalHook(TokenAuthenticationConfiguration configuration)
{
if (configuration == null)
{
throw new ArgumentNullException("configuration");
}
return(context =>
{
RetrieveCredentials(context, configuration);
return null;
});
}
private static void RetrieveCredentials(NancyContext context, TokenAuthenticationConfiguration configuration)
{
var token = ExtractTokenFromHeader(context.Request);
if (token != null)
{
var user = configuration.Tokenizer.Detokenize(token, context);
if (user != null)
{
context.CurrentUser = user;
}
}
}
/// <summary>
/// Enables Token authentication for the application
/// </summary>
/// <param name="pipelines">Pipelines to add handlers to (usually "this")</param>
/// <param name="configuration">Forms authentication configuration</param>
public static void Enable(IPipelines pipelines, TokenAuthenticationConfiguration configuration)
{
if (pipelines == null)
{
throw new ArgumentNullException("pipelines");
}
if (configuration == null)
{
throw new ArgumentNullException("configuration");
}
pipelines.BeforeRequest.AddItemToStartOfPipeline(GetCredentialRetrievalHook(configuration));
}
/// <summary>
/// Enables Token authentication for the application
/// </summary>
/// <param name="pipelines">Pipelines to add handlers to (usually "this")</param>
/// <param name="configuration">Forms authentication configuration</param>
public static void Enable(IPipelines pipelines, TokenAuthenticationConfiguration configuration)
{
if (pipelines == null)
{
throw new ArgumentNullException("pipelines");
}
if (configuration == null)
{
throw new ArgumentNullException("configuration");
}
pipelines.BeforeRequest.AddItemToStartOfPipeline(GetCredentialRetrievalHook(configuration));
}
/// <summary>
/// Enables Token authentication for a module
/// </summary>
/// <param name="module">Module to add handlers to (usually "this")</param>
/// <param name="configuration">Forms authentication configuration</param>
public static void Enable(INancyModule module, TokenAuthenticationConfiguration configuration)
{
if (module == null)
{
throw new ArgumentNullException("module");
}
if (configuration == null)
{
throw new ArgumentNullException("configuration");
}
module.RequiresAuthentication();
module.Before.AddItemToStartOfPipeline(GetCredentialRetrievalHook(configuration));
}
/// <summary>
/// Enables Token authentication for a module
/// </summary>
/// <param name="module">Module to add handlers to (usually "this")</param>
/// <param name="configuration">Forms authentication configuration</param>
public static void Enable(INancyModule module, TokenAuthenticationConfiguration configuration)
{
if (module == null)
{
throw new ArgumentNullException("module");
}
if (configuration == null)
{
throw new ArgumentNullException("configuration");
}
module.RequiresAuthentication();
module.Before.AddItemToStartOfPipeline(GetCredentialRetrievalHook(configuration));
}
/// <summary>
/// Gets the pre request hook for loading the authenticated user's details
/// from the auth header.
/// </summary>
/// <param name="configuration">Token authentication configuration to use</param>
/// <returns>Pre request hook delegate</returns>
private static Func<NancyContext, Response> GetCredentialRetrievalHook(TokenAuthenticationConfiguration configuration)
{
if (configuration == null)
{
throw new ArgumentNullException("configuration");
}
return context =>
{
RetrieveCredentials(context, configuration);
return null;
};
}
private static void RetrieveCredentials(NancyContext context, TokenAuthenticationConfiguration configuration)
{
var token = ExtractTokenFromHeader(context.Request);
if (token != null)
{
var user = configuration.Tokenizer.Detokenize(token, context);
if (user != null)
{
context.CurrentUser = user;
}
}
}
protected override void RequestStartup(ILifetimeScope container, IPipelines pipelines, NancyContext context)
{
var tokenizer = container.Resolve<ITokenizer>();
var tokenConfiguration = new TokenAuthenticationConfiguration(tokenizer);
TokenAuthentication.Enable(pipelines, tokenConfiguration);
}
