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ServiceCollectionExtension.cs
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ServiceCollectionExtension.cs
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using System;
using Casbin.AspNetCore.Authorization.Policy;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
namespace Casbin.AspNetCore.Authorization
{
public static class ServiceCollectionExtension
{
private const string SuppressUseHttpContextAsAuthorizationResource = "Microsoft.AspNetCore.Authorization.SuppressUseHttpContextAsAuthorizationResource";
// This method try to support casbin by no new middleware.
internal static IServiceCollection AddCasbinPolicy(this IServiceCollection services)
{
AppContext.SetSwitch(SuppressUseHttpContextAsAuthorizationResource, true);
return services;
}
/// <summary>
/// Adds casbin authorization services to the specified <see cref="IServiceCollection" />
/// </summary>
/// <param name="services">The <see cref="IServiceCollection" /> to add services to.</param>
/// <param name="configureOptions"></param>
/// <param name="defaultEnforcerProviderLifeTime">The lifetime with which to register the IEnforcerProvider service in the container.</param>
/// <param name="defaultModelProviderLifeTime">The lifetime with which to register the ICasbinModelProvider service in the container.</param>
/// <returns>The <see cref="IServiceCollection"/> so that additional calls can be chained.</returns>
public static IServiceCollection AddCasbinAuthorization(this IServiceCollection services,
Action<CasbinAuthorizationOptions>? configureOptions = default,
ServiceLifetime defaultEnforcerProviderLifeTime = ServiceLifetime.Scoped,
ServiceLifetime defaultModelProviderLifeTime = ServiceLifetime.Scoped)
{
services.TryAddTransient<ICasbinEvaluator, CasbinEvaluator>();
services.TryAddSingleton<ICasbinAuthorizationPolicyProvider, DefaultCasbinAuthorizationPolicyProvider>();
services.TryAddSingleton<ICasbinAuthorizationMiddlewareResultHandler, CasbinAuthorizationMiddlewareResultHandler>();
services.AddCasbinAuthorizationCore(configureOptions, defaultEnforcerProviderLifeTime, defaultModelProviderLifeTime);
return services;
}
}
}