Integrer l'authentification Keycloak dans l'application

ChessCubing.Server/Auth/AuthContracts.cs

@@ -0,0 +1,59 @@
+using System.Security.Claims;
+using System.Text.Json.Serialization;
+
+namespace ChessCubing.Server.Auth;
+
+public sealed record LoginRequest(string Username, string Password);
+
+public sealed record RegisterRequest(
+    string Username,
+    string Email,
+    string Password,
+    string ConfirmPassword,
+    string? FirstName,
+    string? LastName);
+
+public sealed record ApiErrorResponse(string Message);
+
+public sealed class AuthSessionResponse
+{
+    public bool IsAuthenticated { get; init; }
+
+    public string? Subject { get; init; }
+
+    public string? Username { get; init; }
+
+    public string? Name { get; init; }
+
+    public string? Email { get; init; }
+
+    public string[] Roles { get; init; } = [];
+
+    public static AuthSessionResponse FromUser(ClaimsPrincipal user)
+        => new()
+        {
+            IsAuthenticated = user.Identity?.IsAuthenticated == true,
+            Subject = user.FindFirst("sub")?.Value ?? user.FindFirst(ClaimTypes.NameIdentifier)?.Value,
+            Username = user.FindFirst("preferred_username")?.Value ?? user.Identity?.Name,
+            Name = user.FindFirst("name")?.Value ?? user.Identity?.Name,
+            Email = user.FindFirst("email")?.Value,
+            Roles = user.FindAll("role").Select(claim => claim.Value).Distinct(StringComparer.OrdinalIgnoreCase).ToArray(),
+        };
+}
+
+public sealed class KeycloakUserInfo
+{
+    [JsonPropertyName("sub")]
+    public string? Subject { get; init; }
+
+    [JsonPropertyName("preferred_username")]
+    public string? PreferredUsername { get; init; }
+
+    [JsonPropertyName("name")]
+    public string? Name { get; init; }
+
+    [JsonPropertyName("email")]
+    public string? Email { get; init; }
+
+    public string[] Roles { get; set; } = [];
+}