import { Injectable } from '@angular/core'; import { CanActivate, Router, CanLoad, Route, CanActivateChild , ActivatedRouteSnapshot, RouterStateSnapshot } from '@angular/router'; import { Store } from '@ngrx/store'; import { OAuthService } from 'angular-oauth2-oidc'; import * as appCommonReducer from '../reducers/app-common.reducer' import * as appCommonActions from '../actions/app-common.actions'; @Injectable() export class AuthGuard implements CanActivate, CanLoad, CanActivateChild { private loginDispatched = false; private initialized = false; constructor(private oauthService: OAuthService, private router: Router, private store: Store ) { } canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean { let url: string = state.url; return this.checkLogin(url); } canActivateChild(childRoute: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean { let url: string = state.url; return this.checkLogin(url); } canLoad(route: Route): boolean { return this.checkLogin(route.path); } checkLogin(url: string): boolean { if (!this.oauthService.hasValidAccessToken()) { if (!this.loginDispatched) { this.oauthService.silentRefresh().then(info => { this.router.navigateByUrl(url); }).catch(error => { this.loginDispatched = true; this.store.dispatch(new appCommonActions.Login(url)); }) } return false; } else { if (!this.initialized) { this.initialized = true; this.store.dispatch(new appCommonActions.InitUser()); } return true; } } }