constructor(private http: Http,
          private router: Router,
) { }

login(email: string, password: string){
    let headers: Headers = new Headers({ 'Accept': 'application/json','Content-Type': 'application/json' });
    let options: RequestOptions = new RequestOptions({headers: headers});

    return this.http.post('http://www.students.com/api/users/token.json', {email: email, password: password}, options)
  .map((data: Response)=> data.json())
  .subscribe(
    (data)=> this.handlData(data),
    (error)=> this.handlError(error)
  );
}

getSessionData(){
    let token = localStorage.getItem('usr_token');
    let headers = new Headers({ 'Accept': 'application/json', 'Authorization': 'Bearer ' + token });
    let options: RequestOptions = new RequestOptions({headers: headers});

    return this.http.get('http://www.students.com/api/users/getSessionData', options).subscribe(
       data => console.log(data),
       err => console.log(err)
     );
}

handlData(data){

    if(data.success){
        let usrData = data.data.user;
        this.user = new User(usrData.email, usrData.firstname, usrData.lastname, usrData.role, data.data.token);
        localStorage.setItem('id_token', data.data.token);
    }
}

handlError(error){
   console.log(error);
}

<VirtualHost *:80>
    ServerAdmin webmaster@localhost
    DocumentRoot /var/www/html/students
    ServerName www.students.com
    <Directory /var/www/html/students>
        Require all granted
        Options Indexes FollowSymLinks Includes
        AllowOverride all
    </Directory>
    Header always set Access-Control-Allow-Origin "*"
    Header always set Access-Control-Allow-Methods "POST, GET, OPTIONS"
    Header always set Access-Control-Allow-Headers "Origin, X-Requested-With, Content-Type, Accept, Authorization"
</VirtualHost>