c# – Asp.Net核心挑战返回Null URI异常错误

概述我正在创建一个ASP.NET核心Web API,并希望集成Microsoft Azure AD身份验证服务.在编译时,一切正常.但是,当我访问要返回Challenge的路由时,我得到一个空URI异常(下面的Stacktrace).我已经尝试在我的ConfigureServices中指定挑战URI： public void ConfigureServices(IServiceCollection s 我正在创建一个ASP.NET核心Web API,并希望集成Microsoft Azure AD身份验证服务.在编译时,一切正常.但是,当我访问要返回Challenge的路由时,我得到一个空URI异常(下面的Stacktrace).我已经尝试在我的ConfigureServices中指定挑战URI：

public voID ConfigureServices(IServiceCollection services)        {            services.AddDbContext<AppContext>(options => options.Usesqlite("Data Source=app.db"));            // IDentity/Authorization Services            services.AddAuthentication(sharedOptions =>                {                    sharedOptions.DefaultScheme = cookieAuthenticationDefaults.AuthenticationScheme;                    sharedOptions.DefaultChallengeScheme = OpenIDConnectDefaults.AuthenticationScheme;                })                .AddAzureAD(options =>                {                    options.ClIEntID = Configuration["Authentication:Microsoft:ApplicationID"];                    options.ClIEntSecret = Configuration["Authentication:Microsoft:Password"];                    options.SignedOutCallbackPath = "/API/v1/accounts/signout";                })                .Addcookie(options => options.AccessDenIEdpath = "/API/v1/accounts/accessdenIEd");            services.AddTransIEnt<IRecognitionService,RecognitionService>();            services.AddTransIEnt<IProfileService,ProfileService>();            services.AddMvc();        }

我也尝试在路由中更改重定向URI：

[Route("API/v1/accounts/[action]")]    public class AccountController : Controller    {        public async Task<IActionResult> AccessDenIEd()        {            return Unauthorized();        }        [httpGet]        public async Task<IActionResult> Signin()        {            return Challenge(new AuthenticationPropertIEs {RedirectUri = "/accessdenIEd"},AzureADDefaults.AuthenticationScheme);        }    }}

我似乎无法找到问题的根源,而堆栈跟踪对我来说毫无意义：

System.ArgumentNullException: Value cannot be null.Parameter name: uriString   at System.Uri..ctor(String uriString)   at Microsoft.AspNetCore.Authentication.AzureAD.UI.OpenIDConnectoptionsConfiguration.Configure(String name,OpenIDConnectoptions options)   at Microsoft.Extensions.Options.OptionsFactory`1.Create(String name)   at System.Lazy`1.CreateValue()   at System.Lazy`1.LazyInitValue()   at Microsoft.AspNetCore.Authentication.AuthenticationHandler`1.<InitializeAsync>d__42.MoveNext()--- End of stack trace from prevIoUs location where exception was thrown ---   at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw()   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDeBUGgerNotification(Task task)   at Microsoft.AspNetCore.Authentication.AuthenticationHandlerProvIDer.<GetHandlerAsync>d__5.MoveNext()--- End of stack trace from prevIoUs location where exception was thrown ---   at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw()   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDeBUGgerNotification(Task task)   at Microsoft.AspNetCore.Authentication.AuthenticationService.<ChallengeAsync>d__11.MoveNext()--- End of stack trace from prevIoUs location where exception was thrown ---   at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw()   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDeBUGgerNotification(Task task)   at Microsoft.AspNetCore.Authentication.AuthenticationHandler`1.<ChallengeAsync>d__54.MoveNext()--- End of stack trace from prevIoUs location where exception was thrown ---   at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw()   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDeBUGgerNotification(Task task)   at Microsoft.AspNetCore.Authentication.AuthenticationService.<ChallengeAsync>d__11.MoveNext()--- End of stack trace from prevIoUs location where exception was thrown ---   at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw()   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDeBUGgerNotification(Task task)   at Microsoft.AspNetCore.Mvc.ChallengeResult.<ExecuteResultAsync>d__14.MoveNext()--- End of stack trace from prevIoUs location where exception was thrown ---   at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw()   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDeBUGgerNotification(Task task)   at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.<InvokeResultAsync>d__20.MoveNext()--- End of stack trace from prevIoUs location where exception was thrown ---   at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw()   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDeBUGgerNotification(Task task)   at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.<InvokeNextResultFilterasync>d__28`2.MoveNext()--- End of stack trace from prevIoUs location where exception was thrown ---   at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw()   at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResultExecutedContext context)   at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.ResultNext[TFilter,TFilterasync](State& next,Scope& scope,Object& state,Boolean& isCompleted)   at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.<InvokeResultFilters>d__26.MoveNext()--- End of stack trace from prevIoUs location where exception was thrown ---   at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw()   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDeBUGgerNotification(Task task)   at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.<InvokeNextResourceFilter>d__23.MoveNext()--- End of stack trace from prevIoUs location where exception was thrown ---   at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw()   at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context)   at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next,Boolean& isCompleted)   at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.<InvokeFilterPipelineAsync>d__18.MoveNext()--- End of stack trace from prevIoUs location where exception was thrown ---   at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw()   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDeBUGgerNotification(Task task)   at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.<InvokeAsync>d__16.MoveNext()--- End of stack trace from prevIoUs location where exception was thrown ---   at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw()   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDeBUGgerNotification(Task task)   at Microsoft.AspNetCore.Builder.RouterMIDdleware.<Invoke>d__4.MoveNext()--- End of stack trace from prevIoUs location where exception was thrown ---   at System.Runtime.ExceptionServices.ExceptiondispatchInfo.Throw()   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDeBUGgerNotification(Task task)   at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMIDdleware.<Invoke>d__7.MoveNext()

我正在使用ASP.NET Core 2.1.1与MVC,Cors,Azure AD和EntityFramework
没有项目内的CSHTML,因为我们使用单独的前端(使用VueJs)

解决方法 我认为问题是因为您的AzureADOptions上未设置Instance属性

看到这个链接

https://github.com/aspnet/AADIntegration/issues/34

例如,添加

.AddAzureAD(options => {  options.Instance = "https://login.microsoftonline.com"}

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