使用AD B2C时如何添加OnTokenValidated事件处理程序? [英] How to add OnTokenValidated event handler when using AD B2C?

问题描述

我正在ASP.NET Core 3应用程序中使用Azure B2C，该应用程序运行良好. 我在启动中使用以下代码:

I am using Azure B2C in a ASP.NET Core 3 application, which is working perfectly. I use the following code in Startup:

services.AddAuthentication(AzureADB2CDefaults.AuthenticationScheme)
    .AddAzureADB2C(options => Configuration.Bind("AzureAdB2C", options));

我想处理标准的TokenValidated OpenIdConnect事件，换句话说，我需要一个设置了事件处理程序的配置.

I would like to handle the standard TokenValidated OpenIdConnect event, with other words I need a configuration where my event handler is set.

检查源代码，我看到了类AzureAdB2COpenIDConnectEventHandlers.cs及其在AzureADB2COpenIdConnectOptionsConfiguration中的用法，但不幸的是，这两个类都已声明为internal

Examining the source code I see the class AzureAdB2COpenIDConnectEventHandlers.cs and also its usage in AzureADB2COpenIdConnectOptionsConfiguration but unfortunately both class declared to internal

问题

我需要做的是使我的TokenValidated处理程序有效，保留所有现成的基于OpenIdConnect的AD B2C功能.

All I need is to have my TokenValidated handler in effect, retaining all working out of the box OpenIdConnect based AD B2C functionality, which is working currently.

伪代码，如下所示:

options.Events = new OpenIdConnectEvents()
{
     // ...
     OnTokenValidated = MyTokenValidatedHandler
};

如何以一种简单的方式完成此任务?

How can I accomplish this in a simple way?

推荐答案

我通过在github中搜索["Events.OnTokenValidated" AzureAdB2C]找到了答案，并为我的案例组装了以下内容:

I found my answer, by searching for ["Events.OnTokenValidated" AzureAdB2C] in github, and assembled the following for my case:

// My existing code in Startup:
services.AddAuthentication(AzureADB2CDefaults.AuthenticationScheme)
        .AddAzureADB2C(options => Configuration.Bind("AzureAdB2C", options));

// My added code to handle the OnTokenValidated event
services.Configure<OpenIdConnectOptions>(AzureADB2CDefaults.OpenIdScheme, options =>
{
    var onTokenValidated = options.Events.OnTokenValidated;
    options.Events.OnTokenValidated = context =>
    {
        onTokenValidated?.Invoke(context);
        // My custom handler goes below:

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