javascript - restrict the redirection to login page once the user has already logged in even if he press the back button of browser in angular? -


i want make login page check conditon , user redirected home page afterwards , want implement condition when user has visited home page , clicks on button or browser should'nt able again visit login page . tried set variable islogged in false , after checking username , password make variable true , store in local storage , use flag , not able where's m wrong .

here app.js

var validationapp = angular.module('validationapp',['ngroute','ngstorage']); var loggedin = false; validationapp.run(function($rootscope, $localstorage){   //var loggedin = false;     //if(!loggedin) {         storage = window.localstorage;         //storage.setitem("loggedin", true);         //console.log(storage.getitem("loggedin")); //    $rootscope.$storage = $localstorage.$default({ //        loggedin: false //    }) //    } });  validationapp.controller('maincontroller', function($scope,loginservice,$localstorage) {     $scope.dologin = function () {         //storage.setitem("loggedin" ,true);         //loginsucess = storage.getitem("loggedin");          if(loggedin == false) {             //console.log(loginsucess);             if ($scope.userform.$valid) {                 loginservice.login($scope.user.email, $scope.user.password);             }             storage.setitem("loggedin", true);         }     } });

i tried put check condition routes , not able home page after valid credentials .

validationapp.config(      function($routeprovider) {         $routeprovider             .when('/', {                 templateurl: 'main.html',                 controller: 'maincontroller'             })             .when('/home', {                 templateurl: 'home.html',                 resolve:{                     "check":function($location){                         if(storage.getitem(loggedin) == true)                         {                             alert(loggedin);                             $location.path("/home");                         }                         else                         {                             $location.path("/main");                         }                     }                 },                 controller: 'maincontroller'             })             .otherwise({                 redirectto: '/'             }); });   validationapp.service('loginservice',function($location) {     this.login = function(username, password){         console.log(username,password);          if(username == "ank@gmail.com" && password=="1234")         {             //alert('thank submitting form');             $location.path("/home");              //console.log(storage.getitem("loggedin"));         }         else         {           //alert("invalid username , password");             $location.path("/main");          }     } });

please see working example: http://plnkr.co/edit/46o0znc5hfde4cyxsm5h?p=preview

stored data in cookies in login function follows,

$cookies.userinfo = {     'id': 1,     'name': 'pqr' };

and on logout remove data -

delete $cookies.userinfo;

then check 'angular.isdefined($cookies.userinfo)' (userinfo cookie name given @ time of storing data in it) if find redirect page want see after login. i.e

app.run(function ($cookies) {       $rootscope.$on("$routechangestart", function () {         if (angular.isdefined($cookies.userinfo)) {             $location.path("/pathname");         }        }); });

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