最近，我们已将项目从asp.net迁移到asp.net core，该项目在asp.net中运行良好，我们遵循了Microsoft的迁移文档，将“ asp.net迁移到asp.net core”，并且不幸的是，经过相应修改后，启动类中的OnRedirectToIdentityProvider方法无法在质询调用（来自控制器）上工作。如果有人帮助我弄清楚我的代码哪里有问题，那将是很好的。我已经在同一个问题上讨论了一段时间了。预先感谢。
StartUp.cs
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
services.Configure<CookiePolicyOptions>(options =>
{
// This lambda determines whether user consent for non-essential cookies is needed for a given request.
options.CheckConsentNeeded = context => true;
options.MinimumSameSitePolicy = SameSiteMode.None;
});
//Add a strongly-typed options class to DI
services.Configure<AuthOptions>(Configuration.GetSection("Authentication"));
services.AddAuthentication(opt => {
opt.DefaultScheme = CookieAuthenticationDefaults.AuthenticationScheme;
opt.DefaultChallengeScheme = OpenIdConnectDefaults.AuthenticationScheme;
})
.AddCookie("MiddleWareCookie")
.AddOpenIdConnect(options => Configuration.Bind("Authentication", options));
services.Configure<OpenIdConnectOptions>(OpenIdConnectDefaults.AuthenticationScheme, options =>
{
options.Authority = Configuration["Authentication:Authority"];
options.ClientId= Configuration["Authentication:ClientId"];
options.ClientSecret= Configuration["Authentication:ClientSecret"];
options.TokenValidationParameters = new TokenValidationParameters
{
// Instead of using the default validation (validating against a single issuer value, as we do in
// line of business apps), we inject our own multitenant validation logic
ValidateIssuer = false,
// If the app is meant to be accessed by entire organizations, add your issuer validation logic here.
//IssuerValidator = (issuer, securityToken, validationParameters) => {
// if (myIssuerValidationLogic(issuer)) return issuer;
//}
};
options.Events = new OpenIdConnectEvents
{
OnRedirectToIdentityProvider = (context) =>
{
object obj = null;
var request = context.Request;
if (context.HttpContext.Items.TryGetValue("Authority", out obj))
{
string authority = obj as string;
if (authority != null)
{
context.ProtocolMessage.IssuerAddress = authority;
}
}
//string appBaseUrl = context.Request.Scheme + "://" + context.Request.Host + context.Request.PathBase;
string appBaseUrl = @"https://localhost:44359/";//UriHelper.BuildAbsolute(request.Scheme, request.Host, request.PathBase);
Debug.WriteLine($"appBaseUrl: {appBaseUrl}");
context.ProtocolMessage.PostLogoutRedirectUri = appBaseUrl;
context.ProtocolMessage.Prompt = "select_account";
context.ProtocolMessage.Resource = Configuration["Authentication:AzureResourceManagerIdentifier"];
return Task.FromResult(0);
},
OnAuthorizationCodeReceived = async (context) =>
{
var request = context.HttpContext.Request;
var currentUri = UriHelper.BuildAbsolute(request.Scheme, request.Host, request.PathBase, request.Path);
var credential = new ClientCredential(context.Options.ClientId, context.Options.ClientSecret);
string tenantId = context.Principal.FindFirst("http://schemas.microsoft.com/identity/claims/tenantid").Value;
//Comment
Debug.WriteLine($"tenantID: {tenantId}");
// Revisit
string signedInUserUniqueName = context.Principal.FindFirst(ClaimTypes.Name).Value.Split('#')[context.Principal.FindFirst(ClaimTypes.Name).Value.Split('#').Length - 1];
//Comment
Debug.WriteLine($"tenantID: {signedInUserUniqueName}");
var tokenCache = new ADALTokenCache(signedInUserUniqueName);
tokenCache.Clear();
// revisit
AuthenticationContext authContext = new AuthenticationContext(string.Format("https://login.microsoftonline.com/{0}", tenantId), tokenCache);
// var items = authContext.TokenCache.ReadItems().ToList();
// revisit
AuthenticationResult result = await authContext.AcquireTokenByAuthorizationCodeAsync(
context.ProtocolMessage.Code, new Uri(currentUri), credential);
//Tell the OIDC middleware we got the tokens, it doesn't need to do anything
context.HandleCodeRedemption(result.AccessToken, result.IdToken);
},
OnTokenValidated = (context) => {
string issuer = context.Principal.FindFirst("iss").Value;
if (issuer != null)
{
if (!issuer.StartsWith("https://sts.windows.net/"))
throw new SecurityTokenValidationException();
}
return Task.FromResult(0);
},
OnTicketReceived = context =>
{
// If your authentication logic is based on users then add your logic here
return Task.CompletedTask;
},
OnAuthenticationFailed = context =>
{
context.Response.Redirect("/Error");
context.HandleResponse(); // Suppress the exception
return Task.CompletedTask;
},
// If your application needs to do authenticate single users, add your user validation below.
//OnTokenValidated = context =>
//{
// return myUserValidationLogic(context.Ticket.Principal);
//}
};
});
services.AddMvc()
.SetCompatibilityVersion(CompatibilityVersion.Version_2_2);
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/Home/Error");
// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
app.UseHsts();
}
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseCookiePolicy();
app.UseAuthentication();
app.UseMvc(routes =>
{
routes.MapRoute(
name: "default",
template: "{controller=Home}/{action=Index}/{id?}");
});
}
}
订阅控制器方法
HttpContext.Items.Add("Authority", string.Format(_authOptions.Authority + "OAuth2/Authorize", _directoryId));
Dictionary<string, string> dict = new Dictionary<string, string>();
dict["prompt"] = "select_account";
var userIdentity = new ClaimsIdentity(User.Claims, "login");
ClaimsPrincipal principal = new ClaimsPrincipal(userIdentity);
await HttpContext.AuthenticateAsync("MiddleWareCookie");
答案 0 :(得分：0)
我看到两件事可以解释为什么未根据您的控制器代码调用OnRedirectToIdentityProvider：
AuthenticateAsync方法，您的问题表明您正在调用Challenge; MiddleWareCookie），我认为您的目的是触发OpenID Connect登录。我相信您需要将HttpContext.AuthenticateAsync("MiddleWareCookie")替换为HttpContext.ChallengeAsync()才能触发OIDC登录请求。
我看到的另一个潜在问题是，您在AddAuthentication方法中将DefaultScheme设置为CookieAuthenticationDefaults.AuthenticationScheme，但是cookie身份验证方案的名称是MiddleWareCookie 。这两个需要同步。