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MvcCorsMvcCoreBuilderExtensions.cs
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MvcCorsMvcCoreBuilderExtensions.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.Cors.Infrastructure;
using Microsoft.AspNetCore.Mvc.ApplicationModels;
using Microsoft.AspNetCore.Mvc.Cors;
using Microsoft.AspNetCore.Mvc.Cors.Internal;
using Microsoft.Extensions.DependencyInjection.Extensions;
namespace Microsoft.Extensions.DependencyInjection
{
public static class MvcCorsMvcCoreBuilderExtensions
{
public static IMvcCoreBuilder AddCors(this IMvcCoreBuilder builder)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
AddCorsServices(builder.Services);
return builder;
}
public static IMvcCoreBuilder AddCors(
this IMvcCoreBuilder builder,
Action<CorsOptions> setupAction)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (setupAction == null)
{
throw new ArgumentNullException(nameof(setupAction));
}
AddCorsServices(builder.Services);
builder.Services.Configure(setupAction);
return builder;
}
public static IMvcCoreBuilder ConfigureCors(
this IMvcCoreBuilder builder,
Action<CorsOptions> setupAction)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (setupAction == null)
{
throw new ArgumentNullException(nameof(setupAction));
}
builder.Services.Configure(setupAction);
return builder;
}
// Internal for testing.
internal static void AddCorsServices(IServiceCollection services)
{
services.AddCors();
services.TryAddEnumerable(
ServiceDescriptor.Transient<IApplicationModelProvider, CorsApplicationModelProvider>());
services.TryAddTransient<CorsAuthorizationFilter, CorsAuthorizationFilter>();
}
}
}