我正在尝试在我的本地化管道中实现CustomRequestCultureProvider
,以从数据库中检索用户文化。要识别用户,我需要ClaimsPrincipal
,但出于某种原因,即使用户已通过身份验证,context.User.Identity.IsAuthenticated
也始终为false。
以下是相关代码(截断以突出显示我的问题:身份验证已在运行;本地化代码基于localization tutorial)。
public class Startup
{
public void ConfigureServices(IServiceCollection services)
{
services.Configure<RequestLocalizationOptions>(options =>
{
var supportedCultures = new[]
{
new CultureInfo("fr"),
new CultureInfo("en"),
};
options.DefaultRequestCulture = new RequestCulture("fr");
options.SupportedCultures = supportedCultures;
options.SupportedUICultures = supportedCultures;
// we insert at 2, because we want to first check the query, then the cookie, then the DB, then the headers
options.RequestCultureProviders.Insert(2, new CustomRequestCultureProvider(async context =>
{
// ----->> ISSUE IS HERE: this is always false!
if (context.User.Identity.IsAuthenticated)
return new ProviderCultureResult("en");
return null;
}));
});
services
.AddLocalization(options => options.ResourcesPath = "Resources")
.AddMvc()
.AddViewLocalization(LanguageViewLocationExpanderFormat.Suffix)
;
return services;
}
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
{
app.UseRequestLocalization();
app.UseStaticFiles();
app.UseAuthentication();
app.UseMvcWithDefaultRoute();
return app;
}
}
我应该如何检索ClaimsPrincipal
中的CustomRequestCultureProvider
?
注意:更改注册顺序(在app.UseAuthentification
之前调用app.UseRequestLocalization
无法解决问题)。
答案 0 :(得分:3)
以防万一以后有人遇到这个问题,我在ASP.NET Core 2.1中也遇到了类似的问题,结果发现我在插入CustomRequestCultureProvider
之后正在注册身份验证中间件。为了解决该问题,我将app.UseAuthentication()
上方的options.RequestCultureProviders.Insert(...
答案 1 :(得分:0)
我设法通过手动调用身份验证管道来使其工作。我怀疑我需要这样做,因为稍后在中间件管道中触发Authorize
属性,因此检索ClaimsPrincipal
为时过早(我可能错了)。
无论如何,这是我修改CustomRequestCultureProvider
:
// we insert at 2, because we want to first check the query, then the cookie, then the DB, then the headers
options.RequestCultureProviders.Insert(2, new CustomRequestCultureProvider(async context =>
{
// retrieve the ClaimsPrincipal from the cookies
// note: this is dependent on how your authentication is set up
var authResult = await context.AuthenticateAsync(CookieAuthenticationDefaults.AuthenticationScheme);
if (!authResult.Succeeded)
return null;
var user = authResult.Principal;
if (user != null)
return new ProviderCultureResult("en");
return null;
}));