使用 MSAL.NET 提供你自己的 HttpClient 和代理Providing your own HttpClient and proxy using MSAL.NET

• 06/18/2019
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初始化公共客户端应用程序时，可以使用 .WithHttpClientFactory method 提供你自己的 HttpClient。When initializing a public client application, you can use the .WithHttpClientFactory method to provide your own HttpClient. 提供你自己的 HttpClient 可以实现高级方案，例如对 HTTP 代理的精细控制、自定义用户代理标头，或者强制 MSAL 使用特定的 HttpClient（例如在 ASP.NET Core Web 应用/API 中）。Providing your own HttpClient enables advanced scenarios such fine-grained control of an HTTP proxy, customizing user agent headers, or forcing MSAL to use a specific HttpClient (for example in ASP.NET Core web apps/APIs).

使用 HttpClientFactory 进行初始化Initialize with HttpClientFactory

下面的示例展示了如何创建 HttpClientFactory，然后通过它来初始化公共客户端应用程序：The following example shows to create an HttpClientFactory and then initialize a public client application with it:

IMsalHttpClientFactory httpClientFactory = new MyHttpClientFactory();

var pca = PublicClientApplicationBuilder.Create(MsalTestConstants.ClientId) 
                                        .WithHttpClientFactory(httpClientFactory)
                                        .Build();

HttpClient 和 Xamarin iOSHttpClient and Xamarin iOS

使用 Xamarin iOS 时，建议创建一个 HttpClient 并让其针对 iOS 7 和更高版本显式使用基于 NSURLSession 的处理程序。When using Xamarin iOS, it is recommended to create an HttpClient that explicitly uses the NSURLSession-based handler for iOS 7 and newer. MSAL.NET 会自动创建一个 HttpClient，它针对 iOS 7 和更高版本使用 NSURLSessionHandler。MSAL.NET automatically creates an HttpClient that uses NSURLSessionHandler for iOS 7 and newer. 有关详细信息，请阅读适用于 HttpClient 的 Xamarin iOS 文档。For more information, read the Xamarin iOS documentation for HttpClient.