Untitled

*****************************************************************************************************
* Login.aspx
*****************************************************************************************************

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Login.aspx.cs" Inherits="OpenID_Test.Login" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Login</title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
          <asp:Button ID="btnLogin" runat="server" Text="Sign In" OnClick="btnLogin_Click" />
        </div>
    </form>
</body>
</html>

*****************************************************************************************************
* Login.aspx.cs
*****************************************************************************************************

using System;
using System.Web;
using Microsoft.Owin.Security;
using Microsoft.Owin.Security.Cookies;
using Microsoft.Owin.Security.OpenIdConnect;


namespace OpenID_Test
{
  public partial class Login : System.Web.UI.Page
  {
  //  protected void Page_Load(object sender, EventArgs e)
  //  {

  //  }

    protected void btnLogin_Click(object sender, EventArgs e)
    {
      HttpContext.Current.GetOwinContext().Authentication.SignOut(
        CookieAuthenticationDefaults.AuthenticationType);
      HttpContext.Current.GetOwinContext().Authentication.Challenge(
        new AuthenticationProperties { RedirectUri = "/Home.aspx" },
        OpenIdConnectAuthenticationDefaults.AuthenticationType);
    }
  }
}

*****************************************************************************************************
* Home.aspx
*****************************************************************************************************

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Home.aspx.cs" Inherits="OpenID_Test.Home" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Home</title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
          <h1>Yo yo yo whatup</h1>
        </div>
    </form>
</body>
</html>

*****************************************************************************************************
* Home.aspx.cs
*****************************************************************************************************

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace OpenID_Test
{
  public partial class Home : System.Web.UI.Page
  {
    protected void Page_Load(object sender, EventArgs e)
    {

    }
  }
}

*****************************************************************************************************
* Startup.cs
*****************************************************************************************************

using System.Threading.Tasks;
using Microsoft.Owin;
using Owin;
using Microsoft.Owin.Diagnostics;
using Microsoft.Owin.Security;
using Microsoft.Owin.Security.Cookies;
using Microsoft.Owin.Security.OpenIdConnect;
using System.Configuration;

[assembly: OwinStartup(typeof(OpenID_Test.Startup))]
namespace OpenID_Test
{
  public class Startup
  {
    public void Configuration(IAppBuilder app)
    {
      app.Use(async (context, next) =>
      {
        System.Diagnostics.Debug.WriteLine("Incoming request: " + context.Request.Method + " " + context.Request.Path + " Query: " + context.Request.QueryString);
        await next();
        System.Diagnostics.Debug.WriteLine("After first next(), status code: " + context.Response.StatusCode);
      });
      app.UseErrorPage(new ErrorPageOptions()
      {
        ShowCookies = true,
        ShowEnvironment = true,
        ShowQuery = true,
        ShowExceptionDetails = true,
        ShowHeaders = true,
        ShowSourceCode = true,
        SourceCodeLineCount = 10
      });

      System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12;
      app.SetDefaultSignInAsAuthenticationType(CookieAuthenticationDefaults.AuthenticationType);
      app.UseCookieAuthentication(new CookieAuthenticationOptions());
      app.UseOpenIdConnectAuthentication(new OpenIdConnectAuthenticationOptions
      {
        ClientId = ConfigurationManager.AppSettings["ClientId"],
        ClientSecret = ConfigurationManager.AppSettings["ClientSecret"],
        Authority = ConfigurationManager.AppSettings["Authority"],
        RedirectUri = ConfigurationManager.AppSettings["RedirectUri"],
        CallbackPath = new PathString("/signin-oidc"),
        ResponseType = "code",
        Scope = "openid profile email",
        Notifications = new OpenIdConnectAuthenticationNotifications
        {
          SecurityTokenValidated = context =>
          {
            System.Diagnostics.Debug.WriteLine("********SecurityTokenValidated triggered********");
            context.AuthenticationTicket.Properties.RedirectUri = "/Home.aspx";
            return Task.FromResult(0);
          },
          AuthenticationFailed = context =>
          {
            System.Diagnostics.Debug.WriteLine("********AuthenticationFailed triggered********");
            return Task.FromResult(0);
          },
          AuthorizationCodeReceived = context =>
          {
            System.Diagnostics.Debug.WriteLine("********AuthorizationCodeReceived triggered********");
            return Task.FromResult(0);
          },
          MessageReceived = context =>
          {
            System.Diagnostics.Debug.WriteLine("********MessageReceived triggered********");
            return Task.FromResult(0);
          },
          RedirectToIdentityProvider = context =>
          {
            System.Diagnostics.Debug.WriteLine("********RedirectToIdentityProvider triggered********");
            return Task.FromResult(0);
          },
          SecurityTokenReceived = context =>
          {
            System.Diagnostics.Debug.WriteLine("********SecurityTokenReceived triggered********");
            return Task.FromResult(0);
          }
        }
      });
      app.Use(async (context, next) =>
      {
        System.Diagnostics.Debug.WriteLine("End of flow before next(): " + context.Request.Method + " " + context.Request.Path + " Query: " + context.Request.QueryString);
        await next();
        System.Diagnostics.Debug.WriteLine("End of flow after next(), status code: " + context.Response.StatusCode);
      });
    }
  }
}

*****************************************************************************************************
* Web.config
*****************************************************************************************************

<?xml version="1.0" encoding="utf-8"?>
<!--
  For more information on how to configure your ASP.NET application, please visit
  https://go.microsoft.com/fwlink/?LinkId=169433
  -->
<configuration>
  <location path="signin-oidc">
    <system.webServer>
      <handlers>
<!--        <clear />  -->
        <remove name="StaticFile" />
        <add name="OwinCallbackHandler"
             path="signin-oidc"
             verb="*"
             type="Microsoft.Owin.Host.SystemWeb.OwinHttpHandler, Microsoft.Owin.Host.SystemWeb"
             resourceType="Unspecified"
             preCondition="integratedMode,runtimeVersionv4.0" />
      </handlers>
    </system.webServer>
  </location>
  <appSettings>
    <add key="ClientId" value="<redacted>" />
    <add key="ClientSecret" value="<redacted>" />
    <add key="Authority" value="https://login.microsoftonline.com/<redacted>/v2.0" />
    <add key="RedirectUri" value="https://localhost:44368/signin-oidc" />
  </appSettings>
  <system.web>
    <compilation debug="true" targetFramework="4.8" />
    <httpRuntime targetFramework="4.8" />
  </system.web>
  <system.webServer>
    <modules runAllManagedModulesForAllRequests="true" />
  </system.webServer>
  <system.codedom>
    <compilers>
      <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:default /nowarn:1659;1699;1701" />
      <compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:default /nowarn:41008 /define:_MYTYPE=\&quot;Web\&quot; /optionInfer+" />
    </compilers>
  </system.codedom>
</configuration>