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SessionServiceCollectionExtensions.cs
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SessionServiceCollectionExtensions.cs
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// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Session;
using Microsoft.Extensions.DependencyInjection.Extensions;
namespace Microsoft.Extensions.DependencyInjection
{
/// <summary>
/// Extension methods for adding session services to the DI container.
/// </summary>
public static class SessionServiceCollectionExtensions
{
/// <summary>
/// Adds services required for application session state.
/// </summary>
/// <param name="services">The <see cref="IServiceCollection"/> to add the services to.</param>
/// <returns>The <see cref="IServiceCollection"/> so that additional calls can be chained.</returns>
public static IServiceCollection AddSession(this IServiceCollection services)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
services.TryAddTransient<ISessionStore, DistributedSessionStore>();
services.AddDataProtection();
return services;
}
/// <summary>
/// Adds services required for application session state.
/// </summary>
/// <param name="services">The <see cref="IServiceCollection"/> to add the services to.</param>
/// <param name="configure">The session options to configure the middleware with.</param>
/// <returns>The <see cref="IServiceCollection"/> so that additional calls can be chained.</returns>
public static IServiceCollection AddSession(this IServiceCollection services, Action<SessionOptions> configure)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
if (configure == null)
{
throw new ArgumentNullException(nameof(configure));
}
services.Configure(configure);
services.AddSession();
return services;
}
}
}