Master

.env.example

@@ -0,0 +1,14 @@
+# Duo Universal C# Configuration
+# Rename this file to .env on your server
+
+# Duo credentials from Admin Panel
+DUO_CLIENT_ID=DIJAYTMEB36S4FIOXI7F
+DUO_CLIENT_SECRET=Pp9UJnNA7CQ10wlP2CLyWTHW8n9KH6Xjefa1KQJu
+DUO_API_HOST=api-8905b780.duosecurity.com
+# Utilisation de l'IP publique directe (Duo nécessite HTTPS)
+DUO_REDIRECT_URI=https://localhost:5001/duo_callback
+
+# ASP.NET Core settings
+ASPNETCORE_ENVIRONMENT=Production
+# IMPORTANT: Utilisez 0.0.0.0 pour être accessible via votre IP publique
+ASPNETCORE_URLS=http://0.0.0.0:5000;https://0.0.0.0:5001

.gitignore

@@ -1,3 +1,8 @@
 .vscode
 */bin
 */obj
+*.db
+*.db-shm
+*.db-wal
+.env
+.env.example

Dockerfile

@@ -0,0 +1,28 @@
+# Build stage
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+WORKDIR /src
+
+# Copy solution and projects for restore
+COPY ["duo_universal_csharp.sln", "./"]
+COPY ["DuoUniversal/DuoUniversal.csproj", "DuoUniversal/"]
+COPY ["DuoUniversal.Example/DuoUniversal.Example.csproj", "DuoUniversal.Example/"]
+COPY ["DuoUniversal.Tests/DuoUniversal.Tests.csproj", "DuoUniversal.Tests/"]
+
+RUN dotnet restore
+
+# Copy everything else
+COPY . .
+
+# Build and publish
+WORKDIR "/src/DuoUniversal.Example"
+RUN dotnet build "DuoUniversal.Example.csproj" -c Release -o /app/build
+RUN dotnet publish "DuoUniversal.Example.csproj" -c Release -o /app/publish /p:UseAppHost=false
+
+# Final stage
+FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS final
+WORKDIR /app
+EXPOSE 8080
+EXPOSE 8081
+
+COPY --from=build /app/publish .
+ENTRYPOINT ["dotnet", "DuoUniversal.Example.dll"]

DuoUniversal.Example/Data/AppDbContext.cs

@@ -0,0 +1,11 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace DuoUniversal.Example.Data
+{
+    public class AppDbContext : DbContext
+    {
+        public AppDbContext(DbContextOptions<AppDbContext> options) : base(options) { }
+
+        public DbSet<User> Users { get; set; }
+    }
+}

DuoUniversal.Example/Data/DuoConfig.cs

@@ -0,0 +1,10 @@
+namespace DuoUniversal.Example.Data
+{
+    public class DuoConfig
+    {
+        public string ClientId { get; set; }
+        public string ClientSecret { get; set; }
+        public string ApiHost { get; set; }
+        public string RedirectUri { get; set; }
+    }
+}

DuoUniversal.Example/Data/SeedData.cs

@@ -0,0 +1,45 @@
+using System.Linq;
+
+namespace DuoUniversal.Example.Data
+{
+    public static class SeedData
+    {
+        public static void Initialize(AppDbContext context)
+        {
+            context.Database.EnsureCreated();
+
+            if (!context.Users.Any(u => u.Username == "duouser"))
+            {
+                context.Users.Add(new User
+                {
+                    Username = "duouser",
+                    Password = "password123"
+                });
+            }
+
+            if (!context.Users.Any(u => u.Username == "Desktop_versus"))
+            {
+                context.Users.Add(new User
+                {
+                    Username = "Desktop_versus",
+                    Password = "password123"
+                });
+            }
+
+            for (int i = 1; i <= 15; i++)
+            {
+                string username = $"user{i}";
+                if (!context.Users.Any(u => u.Username == username))
+                {
+                    context.Users.Add(new User
+                    {
+                        Username = username,
+                        Password = "password123"
+                    });
+                }
+            }
+
+            context.SaveChanges();
+        }
+    }
+}

DuoUniversal.Example/Data/User.cs

@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace DuoUniversal.Example.Data
+{
+    public class User
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public string Username { get; set; }
+
+        [Required]
+        public string Password { get; set; } // Storing plain text/simple hash for demo purposes
+    }
+}

DuoUniversal.Example/DuoUniversal.Example.csproj

@@ -7,8 +7,16 @@
     <ProjectReference Include="..\DuoUniversal\DuoUniversal.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.2" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.2">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFramework>net8.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

DuoUniversal.Example/Pages/Callback.cshtml

@@ -1,17 +1,164 @@
-@* SPDX-FileCopyrightText: 2022 Cisco Systems, Inc. and/or its affiliates *@
-@* SPDX-License-Identifier: BSD-3-Clause *@
-
 @page "/duo_callback"
-@model CallbackModel
+@model DuoUniversal.Example.Pages.CallbackModel
+@{
+    Layout = null;
+}
 
-<div class="content">
-    <div class="logo">
-        <a href="/"><img src=~/images/logo.png></a>
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Authentification Réussie - Versus Bank</title>
+    <style>
+        * {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+        }
+        body {
+            font-family: 'Roboto', Arial, sans-serif;
+            background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
+            min-height: 100vh;
+            display: flex;
+            flex-direction: column;
+        }
+        .header {
+            background: linear-gradient(135deg, #a98946 0%, #8b7238 100%);
+            padding: 25px 20px;
+            text-align: center;
+            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
+        }
+        .header img {
+            max-width: 280px;
+            height: auto;
+        }
+        .content {
+            flex: 1;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            padding: 40px 20px;
+        }
+        .success-card {
+            background: white;
+            border-radius: 16px;
+            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
+            max-width: 800px;
+            width: 100%;
+            padding: 50px 40px;
+            text-align: center;
+        }
+        .success-card h1 {
+            color: #a98946;
+            font-size: 2.5rem;
+            font-weight: 700;
+            margin-bottom: 20px;
+        }
+        .success-image {
+            margin: 30px 0;
+        }
+        .success-image img {
+            max-width: 100%;
+            height: auto;
+            max-height: 400px;
+            border-radius: 12px;
+            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
+        }
+        .message {
+            color: #666;
+            font-size: 1.1rem;
+            line-height: 1.6;
+            margin-top: 25px;
+        }
+        .footer {
+            background: #2c2c2c;
+            color: #ccc;
+            padding: 25px 20px;
+            text-align: center;
+            font-size: 0.95rem;
+        }
+        .footer strong {
+            color: #a98946;
+        }
+        .watermark {
+            position: fixed;
+            top: 50%;
+            left: 50%;
+            transform: translate(-50%, -50%) rotate(-25deg);
+            opacity: 0.12;
+            pointer-events: none;
+            z-index: 0;
+            text-align: center;
+            width: 100%;
+        }
+        .watermark img {
+            max-width: 600px;
+            width: 80%;
+            height: auto;
+        }
+        .watermark-text {
+            font-size: 8rem;
+            font-weight: 900;
+            color: #2c2c2c;
+            display: block;
+            margin-top: -20px;
+        }
+        .demo-badge {
+            margin-top: 30px;
+            padding: 15px;
+            border-top: 1px solid #eee;
+            font-size: 0.9rem;
+            color: #888;
+        }
+        .demo-badge strong {
+            color: #a98946;
+        }
+        @@media (max-width: 768px) {
+            .success-card {
+                padding: 30px 20px;
+            }
+            .success-card h1 {
+                font-size: 1.8rem;
+            }
+            .header img {
+                max-width: 200px;
+            }
+        }
+    </style>
+</head>
+<body>
+    <div class="header">
+        <img src="/images/logo-versus-bank.png" alt="Versus Bank Logo">
     </div>
-    <div class="auth-resp">
-        <h3><b>Auth Response:</b></h3>
+
+    <div class="watermark">
+        <img src="/images/Blue-Logo-H.png" alt="ITEXPERTS4AFRICA Logo">
+        <span class="watermark-text">DÉMO</span>
     </div>
-    <div class="success">
-        <pre class="language.json"><code class="language-json">@Model.AuthResponse</code></pre>
+
+    <div class="content">
+        <div class="success-card">
+            <h1>Bienvenue, @Model.DuoToken?.Username!</h1>
+
+            <div class="success-image">
+                <img src="/images/popo-up-VERSUS-NET-PRO-1.png" alt="Authentification Réussie">
+            </div>
+
+            <p class="message">
+                Votre authentification à deux facteurs a été validée avec succès.<br>
+                Vous pouvez maintenant fermer cette fenêtre et retourner à votre application.
+            </p>
+
+            <div class="demo-badge">
+                <img src="/images/Blue-Logo-H.png" alt="ITEXPERTS4AFRICA Logo" style="max-height: 40px; display: block; margin: 0 auto 10px; opacity: 0.8;">
+                Démonstration réalisée par <strong>ITEXPERTS4AFRICA</strong> pour <strong>VERSUS BANK</strong>
+            </div>
+        </div>
+    </div>
+
+    <div class="footer">
+        &copy; @DateTime.Now.Year <strong>Versus Bank</strong> - Notre expertise fait la différence
     </div>
-</div>
+</body>
+</html>

DuoUniversal.Example/Pages/Callback.cshtml.cs

@@ -9,6 +9,7 @@
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
+using Microsoft.Extensions.Logging;
 
 namespace DuoUniversal.Example.Pages
 {
@@ -19,12 +20,15 @@ namespace DuoUniversal.Example.Pages
     public class CallbackModel : PageModel
     {
         private readonly IDuoClientProvider _duoClientProvider;
+        private readonly Microsoft.Extensions.Logging.ILogger<CallbackModel> _logger;
 
         public string AuthResponse { get; set; }
+        public IdToken DuoToken { get; set; }
 
-        public CallbackModel(IDuoClientProvider duoClientProvider)
+        public CallbackModel(IDuoClientProvider duoClientProvider, Microsoft.Extensions.Logging.ILogger<CallbackModel> logger)
         {
             _duoClientProvider = duoClientProvider;
+            _logger = logger;
         }
 
         public async Task<IActionResult> OnGet(string state, string code)
@@ -50,6 +54,7 @@ public async Task<IActionResult> OnGet(string state, string code)
             // If either is missing, something is wrong.
             if (string.IsNullOrEmpty(sessionState) || string.IsNullOrEmpty(sessionUsername))
             {
+                _logger.LogError("Session state or username missing. State: {state}, Code: {code}, Request: {url}", state, code, Request.Path + Request.QueryString);
                 throw new DuoException("State or username were missing from your session");
             }
 
@@ -70,6 +75,7 @@ public async Task<IActionResult> OnGet(string state, string code)
                 WriteIndented = true
             };
             AuthResponse = JsonSerializer.Serialize(token, options);
+            DuoToken = token;
             return Page();
         }
     }