Metacat

   * Construct an AuthSession

   */

  public AuthSession() throws Exception {

    // Determine our session authentication method and

    // create an instance of the auth class

    MetaCatUtil util = new MetaCatUtil();

    this.authClass = util.getOption("authclass");

    this.authService = (AuthInterface)createObject(authClass);

  }

  /** 

   * @param password the password entered when login

   */

  public boolean authenticate(HttpServletRequest request, 

    String message = null;

    try { 

      if ( authService.authenticate(username, password) ) {

        String[] groups = authService.getGroups(username,password,username);