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AuthorizationServiceExtensions.cs
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AuthorizationServiceExtensions.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 System.Linq;
using System.Security.Claims;
using System.Threading.Tasks;
namespace Microsoft.AspNetCore.Authorization
{
/// <summary>
/// Extension methods for <see cref="IAuthorizationService"/>.
/// </summary>
public static class AuthorizationServiceExtensions
{
/// <summary>
/// Checks if a user meets a specific requirement for the specified resource
/// </summary>
/// <param name="service">The <see cref="IAuthorizationService"/> providing authorization.</param>
/// <param name="user">The user to evaluate the policy against.</param>
/// <param name="resource">The resource to evaluate the policy against.</param>
/// <param name="requirement">The requirement to evaluate the policy against.</param>
/// <returns>
/// A flag indicating whether requirement evaluation has succeeded or failed.
/// This value is <value>true</value> when the user fulfills the policy, otherwise <value>false</value>.
/// </returns>
public static Task<AuthorizationResult> AuthorizeAsync(this IAuthorizationService service, ClaimsPrincipal user, object resource, IAuthorizationRequirement requirement)
{
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
if (requirement == null)
{
throw new ArgumentNullException(nameof(requirement));
}
return service.AuthorizeAsync(user, resource, new IAuthorizationRequirement[] { requirement });
}
/// <summary>
/// Checks if a user meets a specific authorization policy against the specified resource.
/// </summary>
/// <param name="service">The <see cref="IAuthorizationService"/> providing authorization.</param>
/// <param name="user">The user to evaluate the policy against.</param>
/// <param name="resource">The resource to evaluate the policy against.</param>
/// <param name="policy">The policy to evaluate.</param>
/// <returns>
/// A flag indicating whether policy evaluation has succeeded or failed.
/// This value is <value>true</value> when the user fulfills the policy, otherwise <value>false</value>.
/// </returns>
public static Task<AuthorizationResult> AuthorizeAsync(this IAuthorizationService service, ClaimsPrincipal user, object resource, AuthorizationPolicy policy)
{
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
if (policy == null)
{
throw new ArgumentNullException(nameof(policy));
}
return service.AuthorizeAsync(user, resource, policy.Requirements);
}
/// <summary>
/// Checks if a user meets a specific authorization policy against the specified resource.
/// </summary>
/// <param name="service">The <see cref="IAuthorizationService"/> providing authorization.</param>
/// <param name="user">The user to evaluate the policy against.</param>
/// <param name="policy">The policy to evaluate.</param>
/// <returns>
/// A flag indicating whether policy evaluation has succeeded or failed.
/// This value is <value>true</value> when the user fulfills the policy, otherwise <value>false</value>.
/// </returns>
public static Task<AuthorizationResult> AuthorizeAsync(this IAuthorizationService service, ClaimsPrincipal user, AuthorizationPolicy policy)
{
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
if (policy == null)
{
throw new ArgumentNullException(nameof(policy));
}
return service.AuthorizeAsync(user, resource: null, policy: policy);
}
/// <summary>
/// Checks if a user meets a specific authorization policy against the specified resource.
/// </summary>
/// <param name="service">The <see cref="IAuthorizationService"/> providing authorization.</param>
/// <param name="user">The user to evaluate the policy against.</param>
/// <param name="policyName">The name of the policy to evaluate.</param>
/// <returns>
/// A flag indicating whether policy evaluation has succeeded or failed.
/// This value is <value>true</value> when the user fulfills the policy, otherwise <value>false</value>.
/// </returns>
public static Task<AuthorizationResult> AuthorizeAsync(this IAuthorizationService service, ClaimsPrincipal user, string policyName)
{
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
if (policyName == null)
{
throw new ArgumentNullException(nameof(policyName));
}
return service.AuthorizeAsync(user, resource: null, policyName: policyName);
}
}
}