innotec-auth-plugin/components/services/checkAuthStatus/checkAuthStatus.service.ts

The Innotec-Auth-Plugin is designed to handle all authentication processes for applications where's conntected to the innotec v2 infrastructure. Theses plugin provides different authentication processes:

import { Injectable, Inject, ReflectiveInjector, EventEmitter, NgZone } from '@angular/core';
import { Location } from '@angular/common';
import { Router, ActivatedRoute, Params } from '@angular/router';
import { Http, Response, URLSearchParams, Headers } from '@angular/http';
import { ModuleOptions } from '../moduleoptions/moduleoptions.service';
import { CookieService } from '../cookieService/cookie.service';
import { I18nService } from '../i18n/i18n.service';
import { SocialConnector } from '../socialConnector/socialConnector.service';
import { JwtHelper } from 'angular2-jwt';
import { BehaviorSubject, Observable } from 'rxjs';

@Injectable()
export class CheckAuthStatus {
  authProvider: any;
  jwtHelper: any;
  paramsSub: any;
  code: any;
  return: any;

  loginState: boolean;
  isLoginSubject = new BehaviorSubject<boolean>(this.loginState);

  constructor(@Inject(Router) private router: Router,
              @Inject(ModuleOptions) private options: ModuleOptions,
              @Inject(CookieService) private cookie: CookieService,
              @Inject(SocialConnector) private social: SocialConnector,
              @Inject(I18nService) private i18n: I18nService,
              private activatedRoute: ActivatedRoute,
              private http: Http,
              private location: Location,
              private zone: NgZone) {
    let injector = ReflectiveInjector.resolveAndCreate([ JwtHelper ]);

    this.jwtHelper = injector.get(JwtHelper);

    let params = new URLSearchParams(this.location.path(false).split('?')[1]);

    this.code = params.get('code');

    if (this.code) {
      let url: string = this.router.url.substring(0, this.router.url.indexOf('?'));
      this.router.navigateByUrl(url);
    }
  }

  public setLoginState(state) {
    this.isLoginSubject.next(state);
  }

  public setLoginCookie(token, social) {
    let value = JSON.stringify({ isLoggedIn: true, token, social });

    this.zone.run(() => this.isLoginSubject.next(true));
    this.cookie.set('InnotecApp', value, 30, this.options.get().hostname);

    return true;
  }

  private checkSocial(code, social): Promise<any> {
    let authorization = this.options.get().clientid + ':' + this.options.get().clientsecret;
    let headers = new Headers();

    headers.set('Authorization', authorization);

    return this.http.post(this.options.get().endpoint + '/' + social, { languagecode: this.i18n.getLanguage(), code }, { headers })
      .toPromise()
      .then(res => this.setLoginCookie(res.json(), social), err => console.log(err));
  }

  public check() {
    let logininfo;

    if (this.cookie.get('InnotecApp')) {
      logininfo = JSON.parse(this.cookie.get('InnotecApp'));

      if (logininfo.isLoggedIn) {
        let expired = this.jwtHelper.isTokenExpired(logininfo.token.token);

        if (expired) {
          return this.social.reLogin(logininfo);
        }

        return true;
      }

      return false;
    }

    if (this.code && localStorage.getItem('return')) {
      let social = localStorage.getItem('return');

      localStorage.removeItem('return');
      this.checkSocial(this.code, social);
    }

    return false;
  }

  public logout() {
    this.cookie.delete('InnotecApp');
    this.isLoginSubject.next(false);
  }

  public getTokenInfo() {
    let logininfo;

    if (this.cookie.get('InnotecApp')) {
      logininfo = JSON.parse(this.cookie.get('InnotecApp'));

      return this.jwtHelper.decodeToken(logininfo.token.token);
    }

    return false;
  }

  public isLoggedIn(): Observable<boolean> {
    return this.isLoginSubject.asObservable();
  }
}