aspnetcore/src/Microsoft.AspNet.Authorization/DefaultAuthorizationService.cs

52 lines
1.8 KiB
C#

// 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 System.Collections.Generic;
using System.Linq;
using System.Security.Claims;
using System.Threading.Tasks;
using Microsoft.Extensions.OptionsModel;
namespace Microsoft.AspNet.Authorization
{
public class DefaultAuthorizationService : IAuthorizationService
{
private readonly IList<IAuthorizationHandler> _handlers;
private readonly AuthorizationOptions _options;
public DefaultAuthorizationService(IOptions<AuthorizationOptions> options, IEnumerable<IAuthorizationHandler> handlers)
{
_handlers = handlers.ToArray();
_options = options.Value;
}
public async Task<bool> AuthorizeAsync(ClaimsPrincipal user, object resource, IEnumerable<IAuthorizationRequirement> requirements)
{
if (requirements == null)
{
throw new ArgumentNullException(nameof(requirements));
}
var authContext = new AuthorizationContext(requirements, user, resource);
foreach (var handler in _handlers)
{
await handler.HandleAsync(authContext);
}
return authContext.HasSucceeded;
}
public Task<bool> AuthorizeAsync(ClaimsPrincipal user, object resource, string policyName)
{
if (policyName == null)
{
throw new ArgumentNullException(nameof(policyName));
}
var policy = _options.GetPolicy(policyName);
return (policy == null)
? Task.FromResult(false)
: this.AuthorizeAsync(user, resource, policy);
}
}
}