getToken(login: string, pwd: string): Observable<boolean> {

    let bodyParams = {
      grant_type: 'password',
      client_id: 'admin',
      scope: AppConst.CLIENT_SCOPE,
      username: login,
      password: pwd
    };

    let params = new URLSearchParams();
    for (let key in bodyParams) {
      params.set(key, bodyParams[key])
    }

    let headers = new Headers({'Content-Type': 'application/x-www-form-urlencoded'});
    let options = new RequestOptions({headers: headers});

    return this.http.post(AppConst.IDENTITY_BASE_URI + '/connect/token', params.toString(), options)
      .map((response: Response) => {
        let data = response.json();

        if (data) {
          this.data = data;
          localStorage.setItem('auth', JSON.stringify({
            access_token: data.access_token,
            refresh_token: data.refresh_token
          }));
          return true;
        } else {
          return false;
        }
      });
  }