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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
namespace Microsoft.AspNetCore.Identity;
/// <summary>
/// Provides the APIs for managing user in a persistence store.
/// </summary>
/// <typeparam name="TUser">The type encapsulating a user.</typeparam>
public class AspNetUserManager<TUser> : UserManager<TUser>, IDisposable where TUser : class
{
private readonly CancellationToken _cancel;
/// <summary>
/// Constructs a new instance of <see cref="AspNetUserManager{TUser}"/>.
/// </summary>
/// <param name="store">The persistence store the manager will operate over.</param>
/// <param name="optionsAccessor">The accessor used to access the <see cref="IdentityOptions"/>.</param>
/// <param name="passwordHasher">The password hashing implementation to use when saving passwords.</param>
/// <param name="userValidators">A collection of <see cref="IUserValidator{TUser}"/> to validate users against.</param>
/// <param name="passwordValidators">A collection of <see cref="IPasswordValidator{TUser}"/> to validate passwords against.</param>
/// <param name="keyNormalizer">The <see cref="ILookupNormalizer"/> to use when generating index keys for users.</param>
/// <param name="errors">The <see cref="IdentityErrorDescriber"/> used to provider error messages.</param>
/// <param name="services">The <see cref="IServiceProvider"/> used to resolve services.</param>
/// <param name="logger">The logger used to log messages, warnings and errors.</param>
public AspNetUserManager(IUserStore<TUser> store,
IOptions<IdentityOptions> optionsAccessor,
IPasswordHasher<TUser> passwordHasher,
IEnumerable<IUserValidator<TUser>> userValidators,
IEnumerable<IPasswordValidator<TUser>> passwordValidators,
ILookupNormalizer keyNormalizer,
IdentityErrorDescriber errors,
IServiceProvider services,
ILogger<UserManager<TUser>> logger)
: base(store, optionsAccessor, passwordHasher, userValidators, passwordValidators, keyNormalizer, errors, services, logger)
{
_cancel = services?.GetService<IHttpContextAccessor>()?.HttpContext?.RequestAborted ?? CancellationToken.None;
}
/// <summary>
/// The cancellation token associated with the current HttpContext.RequestAborted or CancellationToken.None if unavailable.
/// </summary>
protected override CancellationToken CancellationToken => _cancel;
}
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