我正在firestore身份验证中动态创建用户,并添加了多种类型的声明,例如admin,讲师,助手。到目前为止,我已经能够使用新创建的用户登录,并根据我提供的登录凭据将声明属性设置为true,即admin: true
,instructor: true
。但是我无法在路由中正确设置[AuthGuard]
,甚至没有登录就无法使用url重定向到组件,这应该不会发生。我对如何正确添加AuthGuard
感到有些困惑。这是我的代码
auth-service.ts
import * as firebase from 'firebase/app';
import { AngularFireAuth } from '@angular/fire/auth';
import { AngularFirestore } from '@angular/fire/firestore';
import { Injectable } from '@angular/core';
import { JwtHelperService } from '@auth0/angular-jwt';
import { Observable } from 'rxjs/Observable';
import { Router } from "@angular/router";
@Injectable()
export class AuthService {
public user: Observable<firebase.User>;
public userDetails: firebase.User = null;
constructor(private _firebaseAuth: AngularFireAuth, private router: Router,
private _firestore: AngularFirestore,
public jwtHelper: JwtHelperService ) {
this.user = _firebaseAuth.authState;
this.user.subscribe(
(user) => {
if(user) {
this.userDetails = user;
this._firebaseAuth.auth.currentUser.getIdTokenResult(true).then(res => {
user= res.claims;
})
}
else {
this.userDetails = null;
}
}
);
}
}
auth-guard.service.ts
import 'rxjs/add/operator/do';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/take';
import { CanActivate, Router } from '@angular/router';
import { AuthService } from './auth-service.service';
import { Injectable } from "@angular/core";
import { Observable } from "rxjs/Rx";
import { tap } from 'rxjs/operators';
@Injectable()
export class AuthGuard implements CanActivate {
constructor(private auth: AuthService, private router: Router) { }
canActivate() {
return this.auth.user
.take(1)
.map(authState => !!authState)
.do(authenticated => {
if (!authenticated) {
this.router.navigate(['auth/login']);
}
});
}
}
app-routing.module.ts
import { ExtraOptions, RouterModule, Routes } from '@angular/router';
import { AuthGuard } from './auth/auth-guard.service';
import { LoginComponent } from './auth/login/login.component'
import {
NbAuthComponent,
} from '@nebular/auth';
import { NgModule } from '@angular/core';
import { RegisterComponent } from './auth/register/register.component';
import { RequestPasswordComponent } from './auth/request-password/request-password.component';
import { ResetPasswordComponent } from './auth/reset-password/reset-password.component';
const routes: Routes = [
{
path: 'pages',
canActivate: [AuthGuard],
loadChildren: () => import('../app/pages/pages.module')
.then(m => m.PagesModule),
},
{
path: 'studentcourseregistration',
loadChildren: () => import('../app/studentcourseregistration/studentcourseregistration.module')
.then(m => m.StudentcourseregistrationModule),
},
{
path: 'auth',
component: NbAuthComponent,
children: [
{
path: '',
component: LoginComponent,
},
{
path: 'login',
component: LoginComponent,
},
{
path: 'register',
component: RegisterComponent,
},
// {
// path: 'logout',
// component: ,
// },
{
path: 'request-password',
component: RequestPasswordComponent,
},
{
path: 'reset-password',
component: ResetPasswordComponent,
},
],
},
// {
// path: 'student',
// loadChildren: () => import('../student/student.module')
// .then(m => m.StudentModule),
// },
{ path: '', redirectTo: 'auth/login', pathMatch: 'full' },
{ path: '**', redirectTo: 'pages' },
];
const config: ExtraOptions = {
useHash: false,
};
@NgModule({
imports: [RouterModule.forRoot(routes, config)],
exports: [RouterModule],
})
export class AppRoutingModule {
}
像这样在身份验证中添加新用户
this._firebaseAuth.auth.createUserWithEmailAndPassword(this.user.email, this.user.password)
.then(cred => {
const adminRole = firebase.functions().httpsCallable('addAdminRole');
adminRole({email: this.user.email}).then(res => {
console.log(res);
})
})
会是这样的东西:
import { CanActivate, Router } from '@angular/router';
import { Injectable } from "@angular/core";
import { AngularFireAuth } from '@angular/fire/auth';
import { take, switchMap } from 'rxjs/operators';
@Injectable()
export class AdminGuard implements CanActivate {
constructor(private auth: AngularFireAuth, private router: Router) { }
canActivate() {
return this.auth.authState.pipe(
take(1),
switchMap(async (authState) => {
if (authState) { // check are user is logged in
const token = await authState.getIdTokenResult()
if (!token.claims.admin) { // check claims
this.router.navigate(['/auth/login'])
return false
} else {
return true
}
} else {
this.router.navigate(['/auth/login'])
return false
}
}),
)
}
}