[英]Force Angular app to redirect when session expired
我有一個 Angular 應用程序,它需要來自 OIDC 服務的 session 授權。 使用正常/快樂路徑,單獨的 NodeJS/Express 應用程序檢查 session 授權並重定向到 OIDC 授權/身份驗證服務並附加相關標頭。 如果一切順利,中間件將路由到 Angular 應用程序。
但在某個時候,Angular 應用程序使用已過期的令牌運行。 Angular 應用程序獲取用戶名,此時我可以檢查是否過期。 但是,如果它已過期,我需要 Angular 方法通過將整個 Angular 應用程序重新路由到相關的中間件頁面來對錯誤情況做出反應。 因為指示器將 go 指向嵌套在應用程序中的組件,所以我不知道如何讓小組件重定向更大/包含的應用程序。
我不是 Angular 的人,所以我什至不知道要查找 Angular 的哪個部分。 由於我缺乏知識,我包含了可能相關或不相關的源文件。
header.component.ts 是它獲取用戶名並可能返回錯誤令牌指示符的位置
import { Component, OnInit } from '@angular/core';
import { ProfileService } from '../../../core/services/profile.service';
@Component({
selector: 'header-comp',
templateUrl: './header.component.html',
styleUrls: ['./header.component.css']
})
export class HeaderComponent implements OnInit {
userName: string = 'No Session';
constructor(private profileService: ProfileService) { }
ngOnInit() {
this.onDisplayUserLogged();
}
onDisplayUserLogged() {
this.profileService.getUsername().subscribe(data => {
this.userName = 'Welcome: ' + data;
});
}
}
app.module.ts
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { HttpClientModule, HTTP_INTERCEPTORS } from '@angular/common/http';
import { APP_BASE_HREF } from '@angular/common';
import { Router } from '@angular/router';
//Services
import { ProfileService } from './core/services/profile.service';
import { FinanceService } from './core/services/finance.service';
import { CmasService } from './core/services/cmas.service';
import { SoftlayerService } from './core/services/softlayer.service';
import { DashboardService } from './core/services/dashboard.service';
import { LowDollarExceptionService } from './core/services/lowDollarException.service';
//Components
import { AppComponent } from './app.component';
import { CmasComponent } from './modules/cmas/cmas.component';
import { SoftlayerComponent } from './modules/softlayer/softlayer.component';
import { FinanceComponent } from './modules/finance/finance.component';
import { ErrorComponent } from './modules/error/error/error.component';
import { LowDollarExceptionComponent } from './modules/lowDollarException/lowDollarException.component'
import { MenuComponent } from './shared/layout/menu/menu.component';
import { BasicComponent } from './shared/modals/basic/basic.component';
import { HeaderComponent } from './shared/layout/header/header.component';
import { PreProcessedPipe } from './shared/components/file-listing/file-listing.component';
import { ProcessedPipe } from './shared/components/softlayer-file-list/softlayer-file-list.component';
//Routing
import { AppRoutingModule } from './app-routing.module';
//Libs
import { AuthInterceptor } from 'auth-lib';
import { TermsComponent } from './modules/terms/terms.component';
import { FileListingComponent } from './shared/components/file-listing/file-listing.component';
import { ConfirmCancelComponent } from './shared/modals/confirm-cancel/confirm-cancel.component';
import { ErrorDisplayComponent } from './shared/components/error-display/error-display.component';
import { AboutComponent } from './modules/about/about.component';
import { ResultsComponent } from './modules/cmas/results/results.component';
import { SoftlayerFileListComponent } from './shared/components/softlayer-file-list/softlayer-file-list.component';
import { DashboardComponent } from './modules/dashboard/dashboard.component';
import { ReviewResultsComponent } from './modules/softlayer/review-results/review-results.component';
import { InvoiceDetailsComponent } from './modules/dashboard/invoice-details/invoice-details.component';
import { FormsModule } from '@angular/forms';
import { LowDollarNewRecordComponent } from './modules/lowDollarException/lowDollarNewRecord.component';
@NgModule({
declarations: [
AppComponent,
CmasComponent,
FinanceComponent,
ErrorComponent,
MenuComponent,
BasicComponent,
HeaderComponent,
TermsComponent,
FileListingComponent,
PreProcessedPipe,
ProcessedPipe,
ConfirmCancelComponent,
ErrorDisplayComponent,
AboutComponent,
ResultsComponent,
SoftlayerComponent,
SoftlayerFileListComponent,
DashboardComponent,
ReviewResultsComponent,
InvoiceDetailsComponent,
LowDollarExceptionComponent,
LowDollarNewRecordComponent
],
imports: [BrowserModule, HttpClientModule, AppRoutingModule, FormsModule],
providers: [
ProfileService,
FinanceService,
CmasService,
SoftlayerService,
DashboardService,
LowDollarExceptionService,
{
provide: HTTP_INTERCEPTORS,
useClass: AuthInterceptor,
deps: [Router],
multi: true,
},
{ provide: APP_BASE_HREF, useValue: '/sprint-cost-recovery' },
],
bootstrap: [AppComponent],
})
export class AppModule {}
app.component.ts
import { Component, OnInit } from '@angular/core';
import { Observable } from 'rxjs';
import listadeTerms from '../assets/config/properties.json';
@Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css'],
})
export class AppComponent implements OnInit {
constructor() {}
ngOnInit() {
this.openOverlay();
}
openOverlay() {
var sheet = document.createElement('style');
sheet.innerHTML =
'.ds-full-width {visibility: hidden;} .usabilla_live_button_container{visibility: hidden;}';
document.body.appendChild(sheet);
if (document.getElementById('termsDialog')) {
var overlayElement = document.querySelector('#termsDialog');
overlayElement.classList.add('ds-open');
document
.querySelector('#termsDialogCloseBtn')
.addEventListener('click', load);
}
function load() {
var div = document.getElementById('termsDialog');
sheet.innerHTML = '.usabilla_live_button_container{visibility: true;}';
var parent = div.parentElement;
parent.removeChild(div);
var node = sheet.parentNode;
node.removeChild(sheet);
}
}
}
應用程序路由.module.ts
import { NgModule } from '@angular/core';
import { RouterModule, Routes } from '@angular/router';
// Components
import { CmasComponent } from './modules/cmas/cmas.component';
import { FinanceComponent } from './modules/finance/finance.component';
import { ErrorComponent } from './modules/error/error/error.component';
import { AboutComponent } from './modules/about/about.component';
import { SoftlayerComponent } from './modules/softlayer/softlayer.component';
import { DashboardComponent } from './modules/dashboard/dashboard.component';
import { LowDollarExceptionComponent } from './modules/lowDollarException/lowDollarException.component';
import { LowDollarNewRecordComponent } from './modules/lowDollarException/lowDollarNewRecord.component';
const appRoutes: Routes = [
{ path: 'finance', component: FinanceComponent },
{ path: 'cmas-process', component: CmasComponent },
{ path: 'about', component: AboutComponent },
{ path: 'softlayer-process', component: SoftlayerComponent },
{ path: 'cost-dashboard', component: DashboardComponent },
{ path: 'low-dollar', component: LowDollarExceptionComponent },
{ path: 'low-dollar/create', component: LowDollarNewRecordComponent },
{ path: 'error/auth', component: ErrorComponent, data: { forbidden: true } },
{ path: '', redirectTo: '/finance', pathMatch: 'full' },
{
path: 'error/badgateway',
component: ErrorComponent,
data: { badgateway: true },
},
];
@NgModule({
imports: [RouterModule.forRoot(appRoutes)],
exports: [RouterModule],
})
export class AppRoutingModule {}
在 Angular 中實現這一點的方法是通過Route Guards 。 在高層次上,它是這樣的:
創建 路線守衛。 它根據檢查的條件返回真或假。
將 canActivate 參數添加到需要檢查身份驗證的路由中,例如:
const appRoutes: Routes = [
{ path: 'finance', component: FinanceComponent, canActivate: [AuthGuard] },
{ path: 'cmas-process', component: CmasComponent, canActivate: [AuthGuard] },
@Injectable({
providedIn: 'root'
})
export class AuthGuard implements CanActivateChild {
constructor(
private authService: AuthService,
private logger: NGXLogger,
private router: Router
) {}
canActivateChild(
next: ActivatedRouteSnapshot,
state: RouterStateSnapshot): Observable<boolean | UrlTree> {
return this.authService.isLoggedIn().pipe(
map(isLoggedIn => {
if (!isLoggedIn) {
return this.router.parseUrl('/login');
}
return true;
})
);
}
}
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