OpenSlides/client/src/app/core/services/auth.service.ts

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import { Injectable } from '@angular/core';
import { HttpClient, HttpResponse, HttpErrorResponse, HttpHeaders } from '@angular/common/http';
import { Observable, of, throwError } from 'rxjs';
import { catchError, tap } from 'rxjs/operators';
import { OperatorService } from 'app/core/services/operator.service';
import { OpenSlidesComponent } from '../../openslides.component';
import { environment } from 'environments/environment';
import { User } from '../../shared/models/users/user';
import { OpenSlidesService } from './openslides.service';
/**
* The data returned by a post request to the login route.
*/
interface LoginResponse {
user_id: number;
user: User;
}
/**
* Authenticates an OpenSlides user with username and password
*/
@Injectable({
providedIn: 'root'
})
export class AuthService extends OpenSlidesComponent {
/**
* Initializes the httpClient and the {@link OperatorService}.
*
* Calls `super()` from the parent class.
* @param http HttpClient
* @param operator who is using OpenSlides
*/
constructor(private http: HttpClient, private operator: OperatorService, private OpenSlides: OpenSlidesService) {
super();
}
/**
* Try to log in a user.
*
* Returns an observable 'user' with the correct login information or an error.
* The user will then be stored in the {@link OperatorService},
* errors will be forwarded to the parents error function.
*
* @param username
* @param password
*/
public login(username: string, password: string): Observable<LoginResponse> {
const user = {
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username: username,
password: password
};
return this.http.post<LoginResponse>(environment.urlPrefix + '/users/login/', user).pipe(
tap((response: LoginResponse) => {
this.operator.user = new User().deserialize(response.user);
}),
catchError(this.handleError())
) as Observable<LoginResponse>;
}
/**
* Logout function for both the client and the server.
*
* Will clear the current {@link OperatorService} and
* send a `post`-request to `/apps/users/logout/'`
*/
public logout(): void {
this.operator.user = null;
this.http.post<any>(environment.urlPrefix + '/users/logout/', {}).subscribe(() => {
this.OpenSlides.reboot();
});
}
}