我正在构建一个连接到基于Shibboleth的SAML IdP的.net 4.5 MVC应用程序,以提供单点登录功能。为此,我使用Kentor.AuthServices.Owin中间件。
有问题的IdP服务需要使用加密断言,Kentor.AuthServices的最新版本不支持这些断言。相反,我必须在这里https://github.com/Raschmann/authservices/tree/78EncryptedAssertion(v0.8.1)使用它的Raschmann-fork,然后尝试..Raschmann / authservices / tree / Release(v0.10.1)。
(使用..Raschmann / authservices / tree / master(v0.12.1) - 或者确实任何KentorIT Kentor.AuthServices构建 - 导致loginInfo在ExternalLoginCallback中为空。)
使用上述功能,我可以通过IdP登录/注册应用程序。但是,当调用ExternalLoginCallback时,loginInfo.ExternalIdentity中的ExternalClaims或Claims对象不包含任何声明。
我已经从IdP中捕获并解密了SAML响应,并在我登录后确认它正在将信息(例如firstname,lastname,DoB等)发送回我的应用程序。
如何访问正在返回的SAML数据?
Startup.Auth.vb中的ConfigureAuth:
Public Sub ConfigureAuth(app As IAppBuilder)
' Configure the db context, user manager and signin manager to use a single instance per request
app.CreatePerOwinContext(AddressOf ApplicationDbContext.Create)
app.CreatePerOwinContext(Of ApplicationUserManager)(AddressOf ApplicationUserManager.Create)
app.CreatePerOwinContext(Of ApplicationSignInManager)(AddressOf ApplicationSignInManager.Create)
app.UseCookieAuthentication(New CookieAuthenticationOptions() With {
.AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,
.Provider = New CookieAuthenticationProvider() With {
.OnValidateIdentity = SecurityStampValidator.OnValidateIdentity(Of ApplicationUserManager, ApplicationUser)(
validateInterval:=TimeSpan.FromMinutes(30),
regenerateIdentity:=Function(manager, user) user.GenerateUserIdentityAsync(manager))},
.LoginPath = New PathString("/Account/Login")})
app.UseExternalSignInCookie(DefaultAuthenticationTypes.ExternalCookie)
app.UseTwoFactorSignInCookie(DefaultAuthenticationTypes.TwoFactorCookie, TimeSpan.FromMinutes(5))
app.UseTwoFactorRememberBrowserCookie(DefaultAuthenticationTypes.TwoFactorRememberBrowserCookie)
app.UseKentorAuthServicesAuthentication(New KentorAuthServicesAuthenticationOptions(True))
AntiForgeryConfig.UniqueClaimTypeIdentifier = Global.System.IdentityModel.Claims.ClaimTypes.NameIdentifier
End Sub
AccountController.vb中的ExternalLoginCallback:
<AllowAnonymous>
Public Async Function ExternalLoginCallback(returnUrl As String) As Task(Of ActionResult)
Dim loginInfo = Await AuthenticationManager.GetExternalLoginInfoAsync()
If loginInfo Is Nothing Then
Return RedirectToAction("Login")
End If
Dim externalIdentity = Await AuthenticationManager.GetExternalIdentityAsync(DefaultAuthenticationTypes.ExternalCookie)
' Sign in the user with this external login provider if the user already has a login
Dim result = Await SignInManager.ExternalSignInAsync(loginInfo, isPersistent:=False)
Select Case result
Case SignInStatus.Success
Dim user = Await UserManager.FindAsync(loginInfo.Login)
If user IsNot Nothing Then
'user.FirstName = loginInfo.ExternalIdentity.FindFirst(ClaimTypes.Name).Value
'user.Email = loginInfo.ExternalIdentity.FindFirst(ClaimTypes.Email).Value
Await UserManager.UpdateAsync(user)
End If
Return RedirectToLocal(returnUrl)
Case SignInStatus.LockedOut
Return View("Lockout")
Case SignInStatus.RequiresVerification
Return RedirectToAction("SendCode", New With {
.ReturnUrl = returnUrl,
.RememberMe = False
})
Case Else
' If the user does not have an account, then prompt the user to create an account
ViewBag.ReturnUrl = returnUrl
ViewBag.LoginProvider = loginInfo.Login.LoginProvider
Return View("ExternalLoginConfirmation", New ExternalLoginConfirmationViewModel() With {
.Email = loginInfo.Email
})
End Select
End Function
答案 0 :(得分:0)
owin管道是quite complex。为了调试这一点,我建议您在UseKentorAuthServicesAuthentication()
调用之前插入一个小的断点中间件。
app.Use(async (context, next) =>
{
await next.Invoke();
});
很抱歉使用C#,但我认为您可以找到等效的VB语法。
运行应用程序并进行身份验证。在触发Idp发回响应之前,在上面的代码片段的结束括号上放置一个断点。然后调查context的内容.Authentication.AuthenticationResponseGrant。这是Kentor.AuthServices的实际输出。索赔是否存在?
如果他们不是,那么AuthServices中就存在一个错误。请在GitHub问题跟踪器中将其报告为问题,我将会看一下。
如果声明确实存在,但稍后丢失,则您可能是Owin Cookie Monster的受害者。