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using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Http;
using Nop.Core.Domain.Customers;
using Nop.Core.Infrastructure;
using Nop.Data;
using Nop.Services.Logging;
namespace Nop.Services.Authentication;
///
/// Represents middleware that enables authentication
///
public partial class AuthenticationMiddleware
{
#region Fields
protected readonly RequestDelegate _next;
#endregion
#region Ctor
public AuthenticationMiddleware(IAuthenticationSchemeProvider schemes, RequestDelegate next)
{
ArgumentNullException.ThrowIfNull(schemes);
Schemes = schemes;
ArgumentNullException.ThrowIfNull(next);
_next = next;
}
#endregion
#region Methods
///
/// Invoke middleware actions
///
/// HTTP context
/// A task that represents the asynchronous operation
public async Task InvokeAsync(HttpContext context)
{
context.Features.Set(new AuthenticationFeature
{
OriginalPath = context.Request.Path,
OriginalPathBase = context.Request.PathBase
});
// Give any IAuthenticationRequestHandler schemes a chance to handle the request
var handlers = EngineContext.Current.Resolve();
foreach (var scheme in await Schemes.GetRequestHandlerSchemesAsync())
{
try
{
if (await handlers.GetHandlerAsync(context, scheme.Name) is IAuthenticationRequestHandler handler && await handler.HandleRequestAsync())
return;
}
catch (Exception ex)
{
if (!DataSettingsManager.IsDatabaseInstalled())
continue;
var externalAuthenticationSettings =
EngineContext.Current.Resolve();
if (!externalAuthenticationSettings.LogErrors)
continue;
var logger =
EngineContext.Current.Resolve();
await logger.ErrorAsync(ex.Message, ex);
}
}
var defaultAuthenticate = await Schemes.GetDefaultAuthenticateSchemeAsync();
if (defaultAuthenticate != null)
{
var result = await context.AuthenticateAsync(defaultAuthenticate.Name);
if (result?.Principal != null)
{
context.User = result.Principal;
}
}
await _next(context);
}
#endregion
#region Properties
///
/// Scheme provider
///
public IAuthenticationSchemeProvider Schemes { get; set; }
#endregion
}