Memorise la connexion avec un cookie persistant

ChessCubing.Server/Program.cs

@@ -42,10 +42,12 @@ builder.Services
     {
         options.Cookie.Name = "chesscubing.auth";
         options.Cookie.HttpOnly = true;
+        options.Cookie.IsEssential = true;
         options.Cookie.SameSite = SameSiteMode.Lax;
         options.Cookie.SecurePolicy = CookieSecurePolicy.SameAsRequest;
+        options.Cookie.MaxAge = TimeSpan.FromDays(30);
         options.SlidingExpiration = true;
-        options.ExpireTimeSpan = TimeSpan.FromDays(7);
+        options.ExpireTimeSpan = TimeSpan.FromDays(30);
         options.Events = new CookieAuthenticationEvents
         {
             OnRedirectToLogin = context =>
@@ -526,6 +528,7 @@ static string? NormalizeOptionalValue(string? value, string fieldName, int maxLe
 
 static async Task SignInAsync(HttpContext httpContext, KeycloakUserInfo userInfo)
 {
+    var issuedAt = DateTimeOffset.UtcNow;
     var claims = new List<Claim>();
 
     if (!string.IsNullOrWhiteSpace(userInfo.Subject))
@@ -567,7 +570,8 @@ static async Task SignInAsync(HttpContext httpContext, KeycloakUserInfo userInfo
         {
             IsPersistent = true,
             AllowRefresh = true,
-            ExpiresUtc = DateTimeOffset.UtcNow.AddDays(7),
+            IssuedUtc = issuedAt,
+            ExpiresUtc = issuedAt.AddDays(30),
         });
 
     httpContext.User = principal;