public static bool CheckExisting(IMSDataEntities model, string column, string value)
{
Status = false;
return(Status);
}
public async Task Invoke(IDictionary <string, object> environment)
{
// Debug.WriteLine("Begin Request");
var url = HttpContext.Current.Request.Url.AbsolutePath;
var acceptedUrl = "";
if (url == "/")
{
acceptedUrl = "Dashboard";
}
else
{
var unProcessedUrl = url.TrimStart('/').TrimEnd('/');
var processedUrl = unProcessedUrl.Split('/');
acceptedUrl = processedUrl[0];
if (acceptedUrl != "__browserLink" || acceptedUrl != "Account" || acceptedUrl != "Error")
{
using (IMSDataEntities db = new IMSDataEntities())
{
var menuName = db.Menus.Where(x => x.Controller == acceptedUrl && x.Action == "Index");
if (menuName.Any())
{
// Debug.WriteLine("anuthorised");
var id = menuName.First().Id;
var permissions = db.UserRoleAllocations.Where(x => x.RoleId == Library.UserRole)
.Select(x => x.MenuId);
if (!permissions.Contains(id))
{
UrlHelper u = new UrlHelper(HttpContext.Current.Request.RequestContext);
var redUrl = u.Action("NotFound", "Error");
// HttpContext.Current.Response.Headers.Set("Location", redUrl);
HttpContext.Current.Response.Redirect("Error/UnAuthorized");
}
}
}
}
}
await next.Invoke(environment);
}
public void AssignRole(long roleId, long menuId, long parentId, string cruds)
{
var context = new IMSDataEntities();
var count = context.UserRoleAllocations.Where(x => x.RoleId == roleId && x.MenuId == menuId);
if (!count.Any())
{
context.UserRoleAllocations.Add(
new UserRoleAllocation
{
MenuId = menuId,
RoleId = roleId,
ParentId = parentId,
CrudActions = cruds
}
);
context.SaveChanges();
}
}
public static bool Status(string check = null)
{
// bool status = false;
if (check != null)
{
// create a new instance of the db context
var db = new IMSDataEntities();
//first get the logged in user
var userId = System.Web.HttpContext.Current.User.Identity.GetUserId <int>();
//with the user id get the role which the user belongs to
var userRoleId = db.UserRoles.FirstOrDefault(x => x.UserId == userId);
if (userRoleId == null)
{
return(status = false);
}
else
{
//now store the role id to use it below
var roleId = userRoleId.RoleId;
//below we get the current request so that we get the menu id and check whether it has the crud permissions that we need
var currentUrl = Path.GetFileName(System.Web.HttpContext.Current.Request.Url.AbsolutePath);
//format the url to obtain both the controller name and the name of the menu
var formattedUrl = currentUrl.TrimStart(new[] { ' ', '/' }).TrimEnd(new[] { ' ', '/' });
var urls = formattedUrl.Split(new char[] { '/' });
if (urls.Length > 1)
{
Controller = urls[0];
Action = urls[1];
}
else
{
Controller = formattedUrl;
Action = "Index";
}
//now we can get the id of the menu using the contoller and the action name as well
var menuId = db.Menus.FirstOrDefault(x => x.Controller == Controller && x.Action == Action);
if (menuId == null)
{
status = false;
}
else
{
//store the id of the menu
var currentMenuId = menuId.Id;
//by the look of things, its now clear that we can be able to get the crud actions that are assigned to this menu item since we have
// the menu id, and the role id... perfect,right?
var allocatedCrudActions =
db.UserRoleAllocations.FirstOrDefault(x => x.MenuId == currentMenuId && x.RoleId == roleId);
if (allocatedCrudActions == null || allocatedCrudActions.CrudActions == null)
{
status = false;
}
else
{
//first we get the id of the action the user is trying to access from the view, can either be add, edit or delete.
//the action should be passed as a parameter when the function is called
var currentActionId = db.CrudActions.FirstOrDefault(x => x.ActionCode == check);
if (currentActionId == null)
{
status = false;
}
else
{
var crudId = currentActionId.Id;
//now we format the crud actions and and strip them into an array
var allocatedActions = allocatedCrudActions.CrudActions;
var formattedCrud = allocatedActions.Trim(new[] { '{', '}' }).TrimStart().TrimEnd(new char[] { ',', ' ' });
//now get the allocated crud actions as an array
var finalCrudActions = formattedCrud.Split(new char[] { ',' });
//check whether the requested permission exists in the final array
if (finalCrudActions.Contains(crudId.ToString()))
{
status = true;
}
else
{
status = false;
}
}
}
}
}
}
Debug.WriteLine("status " + status);
return(status);
}