Blazor WASM 和 Refit 代币

Question

我在我的 blazor wasm 应用程序中使用改装，我想在 AuthorizationHeaderValueGetter 中设置令牌，我连接的 api 不是用 .net 编写的。但我已经在 program.cs

中注册了改装

builder.Services.AddRefitClient<IApi>(settings).ConfigureHttpClient(c =>
    {
        c.BaseAddress = new Uri("Address");
    })

我必须为此创建一个 DelegatingHandler 吗？

Answer 1

public class AuthHeaderHandler : DelegatingHandler
    {
        private readonly ILocalStorageService _localStorageService;

        public AuthHeaderHandler(ILocalStorageService localStorageService)
        {
            _localStorageService = localStorageService;
        }

        protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
        {
            var auth = request.Headers.Authorization;

            if (auth != null)
            {
                if (await _localStorageService.ContainKeyAsync("Token"))
                {
                    string token = await _localStorageService.GetItemAsync<string>("Token");
                    request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", token);
                }
            }

            return await base.SendAsync(request, cancellationToken).ConfigureAwait(false);
        }
    }