public string GenerateActivationKey(DbT10Software db)
{
Random r = new Random();
const string chars = "abcdefghiijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
List <string> keys = db.OrderDetails.Select(od => od.Id).ToList();
StringBuilder sb = null;
while (sb == null || keys.Contains(sb.ToString()))
{
sb = new StringBuilder();
for (int i = 0; i < 14; i++)
{
if (i == 4 || i == 9)
{
sb.Append("-");
}
else
{
sb.Append(chars[r.Next(chars.Length)]);
}
}
}
return(sb.ToString());
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env, DbT10Software db)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/Home/Error");
}
app.UseStaticFiles();
app.UseRouting();
app.UseAuthorization();
app.UseMiddleware <SessionKeeper>();
app.UseEndpoints(endpoints =>
{
endpoints.MapControllerRoute(
name: "default",
pattern: "{controller=Gallery}/{action=Index}/{id?}");
});
// Comment next line away if you don't want to restart the database every time
db.Database.EnsureDeleted();
db.Database.EnsureCreated();
// Comment next line away to not reseed database
new DbSeeder(db).Seed();
}
public List <Cart> LoadProducts(DbT10Software db)
{
List <Cart> loadedCart = new List <Cart>();
foreach (var item in Products)
{
loadedCart.Add(new Cart
{
Id = 0,
ProductId = item.ProductId,
Product = db.Products.FirstOrDefault(product => product.Id == item.ProductId),
Quantity = item.Quantity,
UserId = 0
});
}
return(loadedCart);
}
public CartController(DbT10Software _db, Verify v)
{
this._db = _db;
_v = v;
}
public LogoutController(DbT10Software db)
{
_db = db;
}
public async Task Invoke(HttpContext context, ITempDataProvider tdp, DbT10Software db)
{
// check and get exisiting user lastaccesstime
string lastAccess = context.Request.Cookies["lastAccessTime"];
// Check if lastAccessTime session object is available
if (lastAccess == null)
{
// When lastAccessTime is null, it is a new session
context.Response.Cookies.Append("lastAccessTime", DateTime.Now.ToString(), new CookieOptions
{
HttpOnly = true,
SameSite = SameSiteMode.Lax
});
}
else
{
// When lastAccessTime is present, check if it has passed 20 minutes
DateTime lastAccessDateTime = Convert.ToDateTime(lastAccess);
// If now is more than 20 mins from lastAccessTime
if (DateTime.Now.CompareTo(lastAccessDateTime.AddMinutes(20)) == 1)
{
//if user not active, remove the last accesstime and redirect to session timeout controller
//controller will clean up session and redirect to gallery page with session timeout message
context.Response.Cookies.Delete("lastAccessTime");
string sessionId = context.Request.Cookies["sessionId"];
if (sessionId != null)
{
var session = db.Sessions.FirstOrDefault(session => session.Id == sessionId);
if (session != null)
{
db.Sessions.Remove(session);
db.SaveChanges();
}
}
context.Response.Cookies.Delete("sessionId");
// Uses injected TempDataProvider to add TempData into context without controller
tdp.SaveTempData(context, new Dictionary <string, object> {
["Alert"] = "warning|Your session has timed-out!"
});
context.Response.Redirect("/Gallery/Index");
return;
}
else
{
// if user still active, keep Update last access time stamp
context.Response.Cookies.Append("lastAccessTime", DateTime.Now.ToString(), new CookieOptions
{
HttpOnly = true,
SameSite = SameSiteMode.Lax
});
}
}
await next(context);
}
public GalleryController(DbT10Software db, Verify v)
{
_db = db;
_v = v;
}
public PurchaseController(DbT10Software db)
{
_db = db;
}
