barker/bookie/src/app/auth/auth-guard.service.ts

42 lines
1.6 KiB
TypeScript

import { Injectable } from '@angular/core';
import { ActivatedRouteSnapshot, CanActivate, Router, RouterStateSnapshot } from '@angular/router';
import { AuthService } from './auth.service';
import { Observable } from 'rxjs/internal/Observable';
import { map } from 'rxjs/operators';
import { ToasterService } from '../core/toaster.service';
import { User } from '../core/user';
@Injectable({
providedIn: 'root'
})
export class AuthGuard implements CanActivate {
constructor(private auth: AuthService, private router: Router, private toaster: ToasterService) {
}
static checkUser(permission: string, user: User, router: Router, state: RouterStateSnapshot, toaster: ToasterService): boolean {
if (!user.isAuthenticated) {
router.navigate(['login'], {queryParams: {returnUrl: state.url}});
toaster.show('Danger', 'User is not authenticated');
return false;
}
const hasPermission = permission === undefined || user.perms.indexOf(permission) !== -1;
if (!hasPermission) {
toaster.show('Danger', 'You do not have the permission to access this area.');
}
return hasPermission;
}
canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | boolean {
if (this.auth.user === undefined) {
return this.auth.userObservable
.pipe(
map<User, boolean>((value: User) => AuthGuard.checkUser(
route.data['permission'], value, this.router, state, this.toaster
))
);
}
return AuthGuard.checkUser(route.data['permission'], this.auth.user, this.router, state, this.toaster);
}
}