如何将 SameSite 和 Secure 属性设置为 JSESSIONID cookie

How to set SameSite and Secure attribute to JSESSIONID cookie

我在 Apache Tomcat 8.5.5 服务器中有一个 Spring 引导 Web 应用程序(Spring 引导版本 2.0.3.RELEASE)和 运行 .

根据 Google Chrome(自 80.0 起推出)实施的最新安全策略,要求应用新的 SameSite 属性以使 Cross-site 以更安全的方式而不是 CSRF 访问 cookie。因为我没有做任何相关的事情并且 Chrome 已经为 first-party cookies 设置了默认值 SameSite=Lax,我的一个 third-party 服务集成失败了,原因是 chrome 在 SameSite=Lax 时限制对 cross-site cookie 的访问,并且如果第三方响应来自 POST 请求(O 一旦程序完成 third-party 服务通过 POST 请求) 重定向到我们的网站。在那里 Tomcat 找不到 session 所以它在末尾附加了一个新的 JSESSIONID (有一个新的 session 并且之前的 session 被杀死了) URL。所以 Spring 拒绝 URL 因为它包含一个由新的 JSESSIONID 附加项引入的分号。

所以我需要更改 JSESSIONID cookie 属性 (SameSite=None; Secure) 并尝试了多种方式,包括 WebFilters.I 在 Whosebug 中看到了相同的问题和答案并尝试了大部分他们却无处可去。

有人可以想出一个解决方案来更改 Spring 引导中的那些 headers 吗?

我之前也遇到过同样的情况。由于 javax.servlet.http.Cookie class 中没有类似 SameSite 的内容,因此无法添加。

第 1 部分: 所以我写了一个过滤器,它只拦截所需的第三方请求。

public class CustomFilter implements Filter {

    private static final String THIRD_PARTY_URI = "/third/party/uri";


    @Override
    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) res;
        if(THIRD_PARTY_URI.equals(request.getRequestURI())) {
            chain.doFilter(request, new CustomHttpServletResponseWrapper(response));
        } else {
            chain.doFilter(request, response);
        }
    }
enter code here
    // ... init destroy methods here
    
}

第 2 部分: Cookie 作为 Set-Cookie 响应 header 发送。所以这个 CustomHttpServletResponseWrapper 覆盖 addCookie 方法并检查,如果它是所需的 cookie (JSESSIONID),而不是将它添加到 cookie,它直接添加到响应 header Set-Cookie 具有 SameSite=None 属性。

public class CustomHttpServletResponseWrapper extends HttpServletResponseWrapper {

    public CustomHttpServletResponseWrapper(HttpServletResponse response) {
        super(response);
    }

    @Override
    public void addCookie(Cookie cookie) {
        if ("JSESSIONID".equals(cookie.getName())) {
            super.addHeader("Set-Cookie", getCookieValue(cookie));
        } else {
            super.addCookie(cookie);
        }
    }

    private String getCookieValue(Cookie cookie) {

        StringBuilder builder = new StringBuilder();
        builder.append(cookie.getName()).append('=').append(cookie.getValue());
        builder.append(";Path=").append(cookie.getPath());
        if (cookie.isHttpOnly()) {
            builder.append(";HttpOnly");
        }
        if (cookie.getSecure()) {
            builder.append(";Secure");
        }
        // here you can append other attributes like domain / max-age etc.
        builder.append(";SameSite=None");
        return builder.toString();
    }
}

UPDATE 于 06/07/2021 - 添加了正确的 Path 属性和新的 sameSite 属性以避免 session cookie 重复GenericFilterBean方法。


我能够为此想出自己的解决方案。

我有两种应用程序 运行 在 Spring 启动时具有不同的 Spring 安全配置,他们需要不同的解决方案来解决这个问题。

案例 1:无用户身份验证

解决方案 1

在这里,您可能已经在您的应用程序中为第 3 方响应创建了一个端点。在控制器方法中访问 httpSession 之前,您是安全的。如果您在不同的控制器方法中访问 session,请向那里发送一个临时重定向请求,如下所示。

@Controller
public class ThirdPartyResponseController{

@RequestMapping(value=3rd_party_response_URL, method=RequestMethod.POST)
public void thirdPartyresponse(HttpServletRequest request, HttpServletResponse httpServletResponse){
    // your logic
    // and you can set any data as an session attribute which you want to access over the 2nd controller 
    request.getSession().setAttribute(<data>)
    try {
        httpServletResponse.sendRedirect(<redirect_URL>);
    } catch (IOException e) {
        // handle error
    }
}

@RequestMapping(value=redirect_URL, method=RequestMethod.GET)
public String thirdPartyresponse(HttpServletRequest request,  HttpServletResponse httpServletResponse, Model model,  RedirectAttributes redirectAttributes, HttpSession session){
    // your logic
        return <to_view>;
    }
}

不过,您需要在安全配置中允许 3rd_party_response_url。

解决方案 2

您可以尝试下面描述的相同 GenericFilterBean 方法。

情况2:用户需要authenticated/sign在

在您通过 HttpSecurity or WebSecurity 配置了大​​部分安全规则的 Spring Web 应用程序中,检查此解决方案。

我测试过解决方案的示例安全配置:

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.
          ......
          ..antMatchers(<3rd_party_response_URL>).permitAll();
          .....
          ..csrf().ignoringAntMatchers(<3rd_party_response_URL>);
    }
}

我想在此配置中强调的要点是您应该允许来自 Spring 安全和 CSRF 保护(如果已启用)的第 3 方响应 URL。

然后我们需要创建一个 HttpServletRequest 过滤器,方法是扩展 GenericFilterBean class (Filter class 对我不起作用)并通过拦截将 SameSite 属性设置为 JSESSIONID cookie每个 HttpServletRequest 并设置响应 headers.

import org.apache.commons.lang3.StringUtils;
import org.springframework.http.HttpHeaders;
import org.springframework.web.filter.GenericFilterBean;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;

public class SessionCookieFilter extends GenericFilterBean {

    private final List<String> PATHS_TO_IGNORE_SETTING_SAMESITE = Arrays.asList("resources", <add other paths you want to exclude>);
    private final String SESSION_COOKIE_NAME = "JSESSIONID";
    private final String SESSION_PATH_ATTRIBUTE = ";Path=";
    private final String ROOT_CONTEXT = "/";
    private final String SAME_SITE_ATTRIBUTE_VALUES = ";HttpOnly;Secure;SameSite=None";

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        HttpServletRequest req = (HttpServletRequest) request;
        HttpServletResponse resp = (HttpServletResponse) response;
        String requestUrl = req.getRequestURL().toString();
        boolean isResourceRequest = requestUrl != null ? StringUtils.isNoneBlank(PATHS_TO_IGNORE_SETTING_SAMESITE.stream().filter(s -> requestUrl.contains(s)).findFirst().orElse(null)) : null;
        if (!isResourceRequest) {
            Cookie[] cookies = ((HttpServletRequest) request).getCookies();
            if (cookies != null && cookies.length > 0) {
                List<Cookie> cookieList = Arrays.asList(cookies);
                Cookie sessionCookie = cookieList.stream().filter(cookie -> SESSION_COOKIE_NAME.equals(cookie.getName())).findFirst().orElse(null);
                if (sessionCookie != null) {
                    String contextPath = request.getServletContext() != null && StringUtils.isNotBlank(request.getServletContext().getContextPath()) ? request.getServletContext().getContextPath() : ROOT_CONTEXT;
                    resp.setHeader(HttpHeaders.SET_COOKIE, sessionCookie.getName() + "=" + sessionCookie.getValue() + SESSION_PATH_ATTRIBUTE + contextPath + SAME_SITE_ATTRIBUTE_VALUES);
                }
            }
        }
        chain.doFilter(request, response);
    }
}

然后通过

将此过滤器添加到 Spring 安全过滤器链
@Override
protected void configure(HttpSecurity http) throws Exception {
        http.
           ....
           .addFilterAfter(new SessionCookieFilter(), BasicAuthenticationFilter.class);
}

为了确定您需要将新过滤器放置在 Spring 的安全过滤器链中的什么位置,您可以 debug the Spring security filter chain easily and identify a proper location in the filter chain. Apart from the BasicAuthenticationFilter, after the SecurityContextPersistanceFilter 将是另一个理想的位置。

SameSite cookie 属性将不支持某些 old browser versions,在这种情况下,请检查浏览器并避免在不兼容的客户端中设置 SameSite

private static final String _I_PHONE_IOS_12 = "iPhone OS 12_";
    private static final String _I_PAD_IOS_12 = "iPad; CPU OS 12_";
    private static final String _MAC_OS_10_14 = " OS X 10_14_";
    private static final String _VERSION = "Version/";
    private static final String _SAFARI = "Safari";
    private static final String _EMBED_SAFARI = "(KHTML, like Gecko)";
    private static final String _CHROME = "Chrome/";
    private static final String _CHROMIUM = "Chromium/";
    private static final String _UC_BROWSER = "UCBrowser/";
    private static final String _ANDROID = "Android";

    /*
     * checks SameSite=None;Secure incompatible Browsers
     * https://www.chromium.org/updates/same-site/incompatible-clients
     */
    public static boolean isSameSiteInCompatibleClient(HttpServletRequest request) {
        String userAgent = request.getHeader("user-agent");
        if (StringUtils.isNotBlank(userAgent)) {
            boolean isIos12 = isIos12(userAgent), isMacOs1014 = isMacOs1014(userAgent), isChromeChromium51To66 = isChromeChromium51To66(userAgent), isUcBrowser = isUcBrowser(userAgent);
            //TODO : Added for testing purpose. remove before Prod release.
            LOG.info("*********************************************************************************");
            LOG.info("is iOS 12 = {}, is MacOs 10.14 = {}, is Chrome 51-66 = {}, is Android UC Browser = {}", isIos12, isMacOs1014, isChromeChromium51To66, isUcBrowser);
            LOG.info("*********************************************************************************");
            return isIos12 || isMacOs1014 || isChromeChromium51To66 || isUcBrowser;
        }
        return false;
    }

    private static boolean isIos12(String userAgent) {
        return StringUtils.contains(userAgent, _I_PHONE_IOS_12) || StringUtils.contains(userAgent, _I_PAD_IOS_12);
    }

    private static boolean isMacOs1014(String userAgent) {
        return StringUtils.contains(userAgent, _MAC_OS_10_14)
            && ((StringUtils.contains(userAgent, _VERSION) && StringUtils.contains(userAgent, _SAFARI))  //Safari on MacOS 10.14
            || StringUtils.contains(userAgent, _EMBED_SAFARI)); // Embedded browser on MacOS 10.14
    }

    private static boolean isChromeChromium51To66(String userAgent) {
        boolean isChrome = StringUtils.contains(userAgent, _CHROME), isChromium = StringUtils.contains(userAgent, _CHROMIUM);
        if (isChrome || isChromium) {
            int version = isChrome ? Integer.valueOf(StringUtils.substringAfter(userAgent, _CHROME).substring(0, 2))
                : Integer.valueOf(StringUtils.substringAfter(userAgent, _CHROMIUM).substring(0, 2));
            return ((version >= 51) && (version <= 66));    //Chrome or Chromium V51-66
        }
        return false;
    }

    private static boolean isUcBrowser(String userAgent) {
        if (StringUtils.contains(userAgent, _UC_BROWSER) && StringUtils.contains(userAgent, _ANDROID)) {
            String[] version = StringUtils.splitByWholeSeparator(StringUtils.substringAfter(userAgent, _UC_BROWSER).substring(0, 7), ".");
            int major = Integer.valueOf(version[0]), minor = Integer.valueOf(version[1]), build = Integer.valueOf(version[2]);
            return ((major != 0) && ((major < 12) || (major == 12 && (minor < 13)) || (major == 12 && minor == 13 && (build < 2)))); //UC browser below v12.13.2 in android
        }
        return false;
    }

在 SessionCookieFilter 中添加上面的检查,如下所示,

if (!isResourceRequest && !UserAgentUtils.isSameSiteInCompatibleClient(req)) {

此过滤器在本地主机环境中不起作用,因为它需要安全 (HTTPS) 连接来设置 Secure cookie 属性。

有关详细说明,请阅读此 blog post

如本回答所述: Same-Site flag for session cookie in Spring Security

@Configuration
public static class WebConfig implements WebMvcConfigurer {
    @Bean
    public TomcatContextCustomizer sameSiteCookiesConfig() {
        return context -> {
            final Rfc6265CookieProcessor cookieProcessor = new Rfc6265CookieProcessor();
            cookieProcessor.setSameSiteCookies(SameSiteCookies.NONE.getValue());
            context.setCookieProcessor(cookieProcessor);
        };
    }
}

但这似乎更简单

@Configuration
public static class WebConfig implements WebMvcConfigurer {
    @Bean
    public CookieSameSiteSupplier cookieSameSiteSupplier(){
        return CookieSameSiteSupplier.ofNone();
    }
}

或者...更简单,spring boot since 2.6.0 supports setting it in application.properties.

Spring documentation about SameSite Cookies

server.servlet.session.cookie.same-site = none