我们使用 http 客户端工厂和委托处理程序来调用合作伙伴 api 并处理响应。如下所示的 AuthenticationDelegating 处理程序有责任获取合作伙伴 api 身份验证所需的令牌并将其提供为 api 请求的一部分。
问题 - 如果令牌过期时间设置为 24 小时，我应该将 AuthenticationDelegationHandler 注册为 Transient 还是 Singleton？
启动.cs
services.AddTransient<AuthenticationDelegatingHandler>();
var apiSettings = Configuration.GetSection(nameof(APIParameters)).Get<APIParameters>();
var apRegistrationParameters = Configuration.GetSection(nameof(AppRegistrationParameters)).Get<AppRegistrationParameters>();
services.AddHttpClient("ApiSecuredClient", client =>
{
client.BaseAddress = new Uri(ApiSettings.BaseUrl);
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(ApiSettings.MediaType));
})
.AddHttpMessageHandler<AuthenticationDelegatingHandler>().SetHandlerLifetime(TimeSpan.FromMinutes(apRegistrationParameters.LifetimeOfAuthenticationHandlerInMinutes));
http客户端工厂
public virtual async Task<HttpResponseMessage> GetRequestAsync<T>(T req, Sales360APIParameters
_paramenters) where T : class, IApiBaseRequest
{
using (var client = _httpClientFactory.CreateClient("XXXClient"))
{
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(_paramenters.MediaType));
var json = JsonConvert.SerializeObject(req);
var data = new StringContent(json, Encoding.UTF8, _paramenters.MediaType);
data.Headers.ContentType.Parameters.Add(new NameValueHeaderValue("version", _paramenters.Version)); …