CookieConfiguration.java

/*
 * Copyright (c) 2020-2025 Estonian Information System Authority
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package eu.webeid.example.config;

import org.apache.tomcat.util.http.Rfc6265CookieProcessor;
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
import org.springframework.boot.web.embedded.tomcat.TomcatContextCustomizer;
import org.springframework.boot.web.server.WebServerFactoryCustomizer;
import org.springframework.boot.web.servlet.server.ConfigurableServletWebServerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class CookieConfiguration implements WebMvcConfigurer {

    @Bean
    public TomcatContextCustomizer configureSameSiteCookies() {
        return context -> {
            final Rfc6265CookieProcessor cookieProcessor = new Rfc6265CookieProcessor();
            cookieProcessor.setSameSiteCookies("strict");
            context.setCookieProcessor(cookieProcessor);
        };
    }

    @Bean
    @ConditionalOnExpression("'${web-eid-auth-token.validation.local-origin}'.startsWith('http:')")
    public WebServerFactoryCustomizer<ConfigurableServletWebServerFactory> httpSessionCookieCustomizer() {
        return factory -> factory.addInitializers(servletContext -> servletContext.getSessionCookieConfig().setName("JSESSIONID"));
    }

    @Bean
    @ConditionalOnExpression("'${web-eid-auth-token.validation.local-origin}'.startsWith('https:')")
    public WebServerFactoryCustomizer<ConfigurableServletWebServerFactory> httpsSessionCookieCustomizer() {
        return factory -> factory.addInitializers(servletContext -> servletContext.getSessionCookieConfig().setName("__Host-JSESSIONID"));
    }
}