/*
  neon-auth - Authentication Extensions to Neon
  Copyright (C) 2024  Ulrich Hilger

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU Affero General Public License as
  published by the Free Software Foundation, either version 3 of the
  License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Affero General Public License for more details.

  You should have received a copy of the GNU Affero General Public License
  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package de.uhilger.neon.auth;

import com.sun.net.httpserver.Headers;
import com.sun.net.httpserver.HttpExchange;
import de.uhilger.neon.HttpResponder;
import java.io.IOException;

/**
 * BasisKlasse fuer Login und Refresh
 * 
 * @author Ulrich Hilger
 */
public class BearerService {

  public static final String CACHE_CONTROL = "Cache-Control";
  public static final String NO_STORE = "no-store";
  public static final String PRAGMA = "Pragma";
  public static final String NO_CACHE = "no-cache";
  public static final String BEARER_CONTENT_TYPE = "application/json;charset=UTF-8";
  
  /**
   * Die Antwort des Authenticators auf eine Login-Anfrage verarbeiten
   * @param exchange das Objekt mit Informationen zu HTTP-Anfrage und -Antwort
   * @param response die Antwort des Autehnticators
   * @throws IOException 
   */
  protected void handleLoginResponse(HttpExchange exchange, LoginResponse response) throws IOException {
    if(response != null) {
      setLoginHeader(exchange);
      HttpResponder r = new HttpResponder();
      r.antwortSenden(exchange, 200, response.toJson());
    } else {
      HttpResponder r = new HttpResponder();
      r.antwortSenden(exchange, 406, "Login failed.");
    }
  }

  protected void setLoginHeader(HttpExchange exchange) {
    Headers headers = exchange.getResponseHeaders();
    headers.add(HttpResponder.CONTENT_TYPE, BEARER_CONTENT_TYPE);
    headers.add(CACHE_CONTROL, NO_STORE);
    headers.add(PRAGMA, NO_CACHE);
  } 
  
  
}