Enigmatry.Entry.AspNetCore.Authorization 9.2.0

.NET 9.0 This package targets .NET 9.0. The package is compatible with this framework or higher. 
dotnet add package Enigmatry.Entry.AspNetCore.Authorization --version 9.2.0
                    


                    

                
NuGet\Install-Package Enigmatry.Entry.AspNetCore.Authorization -Version 9.2.0
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="Enigmatry.Entry.AspNetCore.Authorization" Version="9.2.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="Enigmatry.Entry.AspNetCore.Authorization" Version="9.2.0" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="Enigmatry.Entry.AspNetCore.Authorization" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add Enigmatry.Entry.AspNetCore.Authorization --version 9.2.0
                    


                    

                
#r "nuget: Enigmatry.Entry.AspNetCore.Authorization, 9.2.0"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package Enigmatry.Entry.AspNetCore.Authorization@9.2.0
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=Enigmatry.Entry.AspNetCore.Authorization&version=9.2.0
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=Enigmatry.Entry.AspNetCore.Authorization&version=9.2.0
                    


                            Install as a Cake Tool

Authorization Building Block

Building Block with startup extensions for enabling permission-based authorization

Registration

You can use the AppAddAuthorization extension method on IServiceCollection. This will register RequirementHandlers for permission-based authorization for the specified permission type (TPermission):

 public void ConfigureServices(IServiceCollection services)
    {
        ...
        services.AppAddAuthorization<TPermission>();
    }

Permission type

Underneath the covers, policy based authentication is used through a custom IAuthorizationPolicyProvider implementation and permissions are encoded to a policy name. As a result, the permission type must be capable of converting to and from a string. Types such as 'String', 'Enum', and 'int' are automatically supported. If you want to use a custom permission type, you must implement [System.ComponentModel.TypeConverter].(https://learn.microsoft.com/en-us/dotnet/api/system.componentmodel.typeconverter).

For the rest of the examples in this document, let's use an enum as the permission type:

public enum PermissionId
{
    Read,
    Write
}

Securing API methods

To secure a method on a controller, you can now use UserHasPermission with list of requred permissions:

[HttpGet("UserWithPermissionIsAllowed")]
[UserHasPermission<PermissionId>(PermissionId.Read, PermissionId.Write)]
public IEnumerable<WeatherForecast> UserWithPermissionIsAllowed() => Array.Empty<WeatherForecast>();

Implementing authorization checks

Because the actual check if the current user has the right permissions can be application-specific, this building block only provides an interface IAuthorizationProvider, with no default implementation:

public interface IAuthorizationProvider<in TPermission> where TPermission : notnull
{
    public bool AuthorizePermissions(IEnumerable<TPermission> permissions);
}

Applications using this building block need to register their own implementation:

services.AddScoped<IAuthorizationProvider<PermissionId>, SampleAuthorizationProvider>();

public class SampleAuthorizationProvider : IAuthorizationProvider<PermissionId>
{
    public bool AuthorizePermissions(IEnumerable<PermissionId> permissions) =>
        // Let's assume the current user only has the 'Read' permission
        permissions.Any(p => p == PermissionId.Read);
}
Product Compatible and additional computed target framework versions.
.NET net9.0 is compatible.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

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