/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tomcat.util.http;
import java.nio.charset.Charset;
import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServletRequest;
public interface CookieProcessor {
/**
* Parse the provided headers into server cookie objects.
*
* @param headers The HTTP headers to parse
* @param serverCookies The server cookies object to populate with the results of the parsing
*/
void parseCookieHeader(MimeHeaders headers, ServerCookies serverCookies);
/**
* Generate the {@code Set-Cookie} HTTP header value for the given Cookie. This method receives as parameter the
* servlet request so that it can make decisions based on request properties. One such use-case is deciding if the
* SameSite attribute should be added to the cookie based on the User-Agent or other request header because there
* are browser versions incompatible with the SameSite attribute. This is described by
* <a href="https://www.chromium.org/updates/same-site/incompatible-clients">the Chromium project</a>.
*
* @param request The servlet request
* @param cookie The cookie for which the header will be generated
*
* @return The header value in a form that can be added directly to the response
*/
String generateHeader(Cookie cookie, HttpServletRequest request);
/**
* Obtain the character set that will be used when converting between bytes and characters when parsing and/or
* generating HTTP headers for cookies.
*
* @return The character set used for byte<->character conversions
*/
Charset getCharset();
}