我如何在 Angular 8 的 AuthInterceptor 类中获取/使用 accessToken [英] How can i get/use accessToken in AuthInterceptor class in Angular 8
问题描述
我如何在 AuthInterceptor 类中获取/使用 accessToken &将其添加到每个 API (.NetCore) 调用中.我已经实施了
How can i get/use accessToken in AuthInterceptor class & adding it to every API (.NetCore) call. I've already implemented
getAccessToken() {
return Auth.currentSession().then(res => {
return res.getAccessToken().getJwtToken();
});
}
在 authService 中,但我似乎无法在intercept(req: HttpRequest, next: HttpHandler){} 方法中使用它.我可以实施的任何方式或流程更改.
in authService, But i can't seem to use this in intercept(req: HttpRequest, next: HttpHandler){} method. Any way around or flow changes i can implement.
推荐答案
首先,将你对 Observable
的承诺转换成你的 AuthService.ts
:
First, convert your promise to an Observable
into your AuthService.ts
:
import { from } from 'rxjs';
import { switchMap } from 'rxjs/operators';
...
getAccessToken(): Observable<string> {
return from(Auth.currentSession()).pipe(
switchMap(session => from(session.getAccessToken().getJwtToken())
)
};
然后你可以很容易地在你的AuthHttpInterceptor
中使用它:
Then you can use it easily into your AuthHttpInterceptor
:
@Injectable()
export class AuthHttpInterceptor implements HttpInterceptor {
constructor(
private authService: AuthService
) { }
intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
return this.authService.getAccessToken().pipe(
switchMap(jwtToken => {
// clone the request to add the new header.
const authReq = req.clone({
headers: req.headers.set('Authorization', `Bearer ${jwtToken}`)
});
return next.handle(authReq);
})
);
}
}
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