如何在 Spring Boot 中设置同站点 cookie 标志?

新手上路,请多包涵

是否可以在 Spring Boot 中设置 Same-Site Cookie 标志?

我在 Chrome 中的问题:

http://google.com/ 上的跨站点资源关联的 cookie 设置为没有 SameSite 属性。如果设置了 SameSite=NoneSecure ,未来的 Chrome 版本将只提供带有跨站点请求的 cookie。您可以在应用程序>存储>Cookies 下的开发人员工具中查看 cookie,并在 https://www.chromestatus.com/feature/5088147346030592https://www.chromestatus.com/feature/5633521622188032 中查看更多详细信息。

如何解决这个问题呢?

原文由 Nikolas Soares 发布,翻译遵循 CC BY-SA 4.0 许可协议

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1 个回答

春季启动 2.6.0

Spring Boot 2.6.0 现在支持配置 SameSite cookie 属性:

通过属性配置

server.servlet.session.cookie.same-site=strict

通过代码配置

import org.springframework.boot.web.servlet.server.CookieSameSiteSupplier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration(proxyBeanMethods = false)
public class MySameSiteConfiguration {
    @Bean
    public CookieSameSiteSupplier applicationCookieSameSiteSupplier() {
        return CookieSameSiteSupplier.ofStrict();
    }
}

Spring Boot 2.5.0 及以下

Spring Boot 2.5.0-SNAPSHOT 不支持 SameSite cookie 属性并且没有启用它的设置。

Java Servlet 4.0 规范不支持 SameSite cookie 属性。您可以通过打开 javax.servlet.http.Cookie java 类来查看可用属性。

但是,有几个解决方法。您可以手动覆盖 Set-Cookie 属性。

第一种方法(使用自定义 Spring HttpFirewall)和围绕请求的包装器:

您需要在创建会话后立即包装请求并调整 cookie。您可以通过定义以下类来实现它:

一个bean(如果你想把所有东西都放在一个地方,你可以在SecurityConfig中定义它。为了简洁起见,我只是在上面放了@Component注解)

 package hello.approach1;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.security.web.firewall.FirewalledRequest;
import org.springframework.security.web.firewall.HttpFirewall;
import org.springframework.security.web.firewall.RequestRejectedException;
import org.springframework.stereotype.Component;

@Component
public class CustomHttpFirewall implements HttpFirewall {

    @Override
    public FirewalledRequest getFirewalledRequest(HttpServletRequest request) throws RequestRejectedException {
        return new RequestWrapper(request);
    }

    @Override
    public HttpServletResponse getFirewalledResponse(HttpServletResponse response) {
        return new ResponseWrapper(response);
    }

}

第一个包装类

package hello.approach1;

import java.util.Collection;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.http.HttpHeaders;
import org.springframework.security.web.firewall.FirewalledRequest;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

/**
 * Wrapper around HttpServletRequest that overwrites Set-Cookie response header and adds SameSite=None portion.
 */
public class RequestWrapper extends FirewalledRequest {

    /**
     * Constructs a request object wrapping the given request.
     *
     * @param request The request to wrap
     * @throws IllegalArgumentException if the request is null
     */
    public RequestWrapper(HttpServletRequest request) {
        super(request);
    }

    /**
     * Must be empty by default in Spring Boot. See FirewalledRequest.
     */
    @Override
    public void reset() {
    }

    @Override
    public HttpSession getSession(boolean create) {
        HttpSession session = super.getSession(create);

        if (create) {
            ServletRequestAttributes ra = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
            if (ra != null) {
                overwriteSetCookie(ra.getResponse());
            }
        }

        return session;
    }

    @Override
    public String changeSessionId() {
        String newSessionId = super.changeSessionId();
        ServletRequestAttributes ra = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        if (ra != null) {
            overwriteSetCookie(ra.getResponse());
        }
        return newSessionId;
    }

    private void overwriteSetCookie(HttpServletResponse response) {
        if (response != null) {
            Collection<String> headers = response.getHeaders(HttpHeaders.SET_COOKIE);
            boolean firstHeader = true;
            for (String header : headers) { // there can be multiple Set-Cookie attributes
                if (firstHeader) {
                    response.setHeader(HttpHeaders.SET_COOKIE, String.format("%s; %s", header, "SameSite=None")); // set
                    firstHeader = false;
                    continue;
                }
                response.addHeader(HttpHeaders.SET_COOKIE, String.format("%s; %s", header, "SameSite=None")); // add
            }
        }
    }
}

第二个包装类

package hello.approach1;

import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletResponseWrapper;

/**
 * Dummy implementation.
 * To be aligned with RequestWrapper.
 */
public class ResponseWrapper extends HttpServletResponseWrapper {
    /**
     * Constructs a response adaptor wrapping the given response.
     *
     * @param response The response to be wrapped
     * @throws IllegalArgumentException if the response is null
     */
    public ResponseWrapper(HttpServletResponse response) {
        super(response);
    }
}

第二种方法(使用 Spring 的 AuthenticationSuccessHandler):

此方法不适用于基本身份验证。在基本身份验证的情况下,在控制器返回响应对象之后,在调用 SameSiteFilter#addSameSiteCookieAttribute 之前立即刷新/提交响应。

 package hello.approach2;

import java.io.IOException;
import java.util.Collection;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.http.HttpHeaders;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.AuthenticationSuccessHandler;

public class AuthenticationSuccessHandlerImpl implements AuthenticationSuccessHandler {

    @Override
    public void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException {
        addSameSiteCookieAttribute(response);    // add SameSite=strict to Set-Cookie attribute
        response.sendRedirect("/hello"); // redirect to hello.html after success auth
    }

    private void addSameSiteCookieAttribute(HttpServletResponse response) {
        Collection<String> headers = response.getHeaders(HttpHeaders.SET_COOKIE);
        boolean firstHeader = true;
        for (String header : headers) { // there can be multiple Set-Cookie attributes
            if (firstHeader) {
                response.setHeader(HttpHeaders.SET_COOKIE, String.format("%s; %s", header, "SameSite=Strict"));
                firstHeader = false;
                continue;
            }
            response.addHeader(HttpHeaders.SET_COOKIE, String.format("%s; %s", header, "SameSite=Strict"));
        }
    }
}

第三种方法(使用 javax.servlet.Filter):

此方法不适用于基本身份验证。在基本身份验证的情况下,在控制器返回响应对象之后,在调用 SameSiteFilter#addSameSiteCookieAttribute 之前立即刷新/提交响应。

 package hello.approach3;

import java.io.IOException;
import java.util.Collection;

import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletResponse;

import org.springframework.http.HttpHeaders;

public class SameSiteFilter implements javax.servlet.Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        chain.doFilter(request, response);
        addSameSiteCookieAttribute((HttpServletResponse) response); // add SameSite=strict cookie attribute
    }

    private void addSameSiteCookieAttribute(HttpServletResponse response) {
        Collection<String> headers = response.getHeaders(HttpHeaders.SET_COOKIE);
        boolean firstHeader = true;
        for (String header : headers) { // there can be multiple Set-Cookie attributes
            if (firstHeader) {
                response.setHeader(HttpHeaders.SET_COOKIE, String.format("%s; %s", header, "SameSite=Strict"));
                firstHeader = false;
                continue;
            }
            response.addHeader(HttpHeaders.SET_COOKIE, String.format("%s; %s", header, "SameSite=Strict"));
        }
    }

    @Override
    public void destroy() {

    }
}

您可以查看 GitHub 上的 这个演示项目,了解有关 org.springframework.security.web.authentication.AuthenticationSuccessHandler 或 javax.servlet.Filter 配置的更多详细信息。

SecurityConfig 包含所有必要的配置。

使用 addHeader 不能保证工作,因为基本上 Servlet 容器管理 Session 和 Cookie 的创建。例如,如果您在响应正文中返回 JSON,则第二种和第三种方法将不起作用,因为应用程序服务器将在刷新响应期间覆盖 Set-Cookie 标头。但是,在成功验证后将用户重定向到另一个页面的情况下,第二种和第三种方法将起作用。

请注意 Postman 不呈现/支持 Cookies 部分下的 SameSite cookie 属性(至少在撰写本文时)。您可以查看 Set-Cookie 响应标头或使用 curl 查看是否添加了 SameSite cookie 属性。

原文由 Eugene Maysyuk 发布,翻译遵循 CC BY-SA 4.0 许可协议

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