Skip to main content

Base controller in MVC 5

 public class BaseController : Controller
 {
        public UserSession _userSession { set; get; }
        AuthenticationManager _authenticationManager = new AuthenticationManager();
       
        public BaseController()
        {
            if (System.Web.HttpContext.Current.User.Identity.IsAuthenticated)
            {
                (new UserManager()).CreateUserSession();
            }
            else
            {
                //2. if user not authenticated then redirect to login controller.
                RedirectToControllers(ControllerHelper.Controller.ACCOUNT, ControllerHelper.Controller.Action.ACCOUNT_LOGIN);
            }
        }

        /// <summary>
        /// Override onAuthentication filter is use to check authentication.
        /// </summary>
        /// <param name="filterContext"></param>
        protected override void OnAuthentication(AuthenticationContext filterContext)
        {
            //1. authentication manager will check that user authenticated and user session created sucessfully.
            if (_authenticationManager.IsUserAuthenticated())   
            {
                //1.1. get user session and set into to _usersession member to consume into inherited controller.
                _userSession = UserManager.GetUserSession();   
            }
            else
            {
                //2. if user not authenticated then redirect to login controller.
                RedirectToControllers(ControllerHelper.Controller.ACCOUNT, ControllerHelper.Controller.Action.ACCOUNT_LOGIN);
            }
        }

        /// <summary>
        /// Override onAuthentication filter is use to check authentication.
        /// </summary>
        /// <param name="filterContext"></param>
        protected override void OnException(ExceptionContext filterContext)
        {
            AppException appException = new AppException();
            appException.Type = filterContext.GetType().ToString();
            appException.StackTrace = filterContext.Exception.StackTrace;
            appException.Source = filterContext.Exception.Source;
            appException.InnerException = Convert.ToString(filterContext.Exception.InnerException);

            (new ExceptionManager()).ExceptionLog(appException);

            // if the request is AJAX return JSON else view.
            if (IsAjax(filterContext))
            {
                //Because its a exception raised after ajax invocation
                //Lets return Json
                filterContext.Result = new JsonResult()
                {
                    Data = filterContext.Exception.Message,
                    JsonRequestBehavior = JsonRequestBehavior.AllowGet
                };

                filterContext.ExceptionHandled = true;
                filterContext.HttpContext.Response.Clear();
            }
            else
            {
                if (AppConfigurationManager.GetCustomApplicationError())
                {
                    filterContext.ExceptionHandled = true;
                    //RedirectToControllers(ControllerHelper.Controller.ACCOUNT, ControllerHelper.Controller.Action.APPLICATIONERROR, true);
                }
            }
        }

        private bool IsAjax(ExceptionContext filterContext)
        {
            return filterContext.HttpContext.Request.Headers["X-Requested-With"] == "XMLHttpRequest";
        }

        /// <summary>
        /// Override onAuthorization filter is use for authorization use request.
        /// </summary>
        /// <param name="filterContext"></param>
        protected override void OnAuthorization(AuthorizationContext filterContext)
        {
            AuthorizationManager authorizationManager = new AuthorizationManager();
            if(!authorizationManager.IsAuthorized(_userSession))
            {
                RedirectToControllers(ControllerHelper.Controller.ACCOUNT, ControllerHelper.Controller.Action.ACCOUNT_LOGIN);
            }
        }

        /// <summary>
        /// Redirect to particular controller and their action.
        /// </summary>
        /// <param name="control">Name of contoller to redirect</param>
        /// <param name="action">Name of action to redirect</param>
private void RedirectToControllers(string control, string action, bool redirectCheck = false)
{
            var routeData = new RouteData();
            routeData.Values["controller"] = control;
            routeData.Values["action"] = action;
            IController controller = null;

            if (control == Constants.Alerts)
            {
                controller = new AlertsController();
            }
            else if (control == Constants.Account)
            {
                controller = new AccountController();
            }

            if (controller != null)
            {
              if (redirectCheck)
              {
                  ((IController)controller).Execute(new RequestContext(new HttpContextWrapper(System.Web.HttpContext.Current), routeData));
                 
              }
              else
                 {
                   string returnUrl = System.Web.HttpContext.Current.Request.Url.AbsolutePath;
                   System.Web.HttpContext.Current.Response.Redirect(string.Format("/{0}/{1}?" + returnUrl, ControllerHelper.Controller.ACCOUNT, ControllerHelper.Controller.Action.ACCOUNT_LOGIN));        
                 }
          }
     }
}


public class AuthenticationManager:BaseManager
{
      [LogAspect]
        /// <summary>
        /// Return boolean value if user authenticated then return true else return false.
        /// </summary>
        /// <returns>Return boolean</returns>
        public bool IsUserAuthenticated()
        {
            if (HttpContext.Current.User.Identity.IsAuthenticated && UserManager.GetUserSession() != null)
            {
                return true;
            }
            return false;
    }
}
By Anil Singh | Rating of this article (*****)

Popular posts from this blog

List of Countries, Nationalities and their Code In Excel File

Download JSON file for this List - Click on JSON file    Countries List, Nationalities and Code Excel ID Country Country Code Nationality Person 1 UNITED KINGDOM GB British a Briton 2 ARGENTINA AR Argentinian an Argentinian 3 AUSTRALIA AU Australian an Australian 4 BAHAMAS BS Bahamian a Bahamian 5 BELGIUM BE Belgian a Belgian 6 BRAZIL BR Brazilian a Brazilian 7 CANADA CA Canadian a Canadian 8 CHINA CN Chinese a Chinese 9 COLOMBIA CO Colombian a Colombian 10 CUBA CU Cuban a Cuban 11 DOMINICAN REPUBLIC DO Dominican a Dominican 12 ECUADOR EC Ecuadorean an Ecuadorean 13 EL SALVA...

nullinjectorerror no provider for httpclient angular 17

In Angular 17 where the standalone true option is set by default, the app.config.ts file is generated in src/app/ and provideHttpClient(). We can be added to the list of providers in app.config.ts Step 1:   To provide HttpClient in a standalone app we could do this in the app.config.ts file, app.config.ts: import { ApplicationConfig } from '@angular/core'; import { provideRouter } from '@angular/router'; import { routes } from './app.routes'; import { provideClientHydration } from '@angular/platform-browser'; //This (provideHttpClient) will help us to resolve the issue  import {provideHttpClient} from '@angular/common/http'; export const appConfig: ApplicationConfig = {   providers: [ provideRouter(routes),  provideClientHydration(), provideHttpClient ()      ] }; The appConfig const is used in the main.ts file, see the code, main.ts : import { bootstrapApplication } from '@angular/platform-browser'; import { appConfig } from ...

Encryption and Decryption Data/Password in Angular

You can use crypto.js to encrypt data. We have used 'crypto-js'.   Follow the below steps, Steps 1 –  Install CryptoJS using below NPM commands in your project directory npm install crypto-js --save npm install @types/crypto-js –save After installing both above commands it looks like  – NPM Command  1 ->   npm install crypto-js --save NPM Command  2 ->   npm install @types/crypto-js --save Steps 2  - Add the script path in “ angular.json ” file. "scripts" : [                "../node_modules/crypto-js/crypto-js.js"               ] Steps 3 –  Create a service class “ EncrDecrService ” for  encrypts and decrypts get/set methods . Import “ CryptoJS ” in the service for using  encrypt and decrypt get/set methods . import  {  Injectable  }  from ...

How To convert JSON Object to String?

To convert JSON Object to String - To convert JSON Object to String in JavaScript using “JSON.stringify()”. Example – let myObject =[ 'A' , 'B' , 'C' , 'D' ] JSON . stringify ( myObject ); ü   Stayed Informed –   Object Oriented JavaScript Interview Questions I hope you are enjoying with this post! Please share with you friends!! Thank you!!!

Cache Busting with Angular and Angular CLI

Cache Busting -  Run the below command in your project directory - ng build -- prod The above command is used to enable cache busting by default with Angular CLI. This command can take a few minutes based on your project size. Stayed Informed – Angular 4 and Angular 5 Documents Steps for Cache busting with Angular and Angular CLI - ·          C:\Users\Viaindia>d: ·          D:\>cd Angular ·          D:\Angular>cd PipeApps ·          D:\Angular\PipeApps>ng serve --open ** NG Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **  10% building modules 8/10 modules 2 active ...e}!D:\Angular\PipeApps\src\styles.csswebpack: wait until bundle finished: /            ...