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