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优化 xss 的代码实现，独立 xss 包

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This commit is contained in:
YunaiV 2023-01-25 11:17:52 +08:00
parent c744e115e3
commit 179fdc8464
10 changed files with 83 additions and 76 deletions
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48
yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/web/config/YudaoWebAutoConfiguration.java
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@ -2,27 +2,18 @@ package cn.iocoder.yudao.framework.web.config;
import cn.iocoder.yudao.framework.apilog.core.service.ApiErrorLogFrameworkService;
import cn.iocoder.yudao.framework.common.enums.WebFilterOrderEnum;
import cn.iocoder.yudao.framework.web.core.clean.JsoupXssCleaner;
import cn.iocoder.yudao.framework.web.core.clean.XssCleaner;
import cn.iocoder.yudao.framework.web.core.filter.CacheRequestBodyFilter;
import cn.iocoder.yudao.framework.web.core.filter.DemoFilter;
import cn.iocoder.yudao.framework.web.core.filter.XssFilter;
import cn.iocoder.yudao.framework.web.core.handler.GlobalExceptionHandler;
import cn.iocoder.yudao.framework.web.core.handler.GlobalResponseBodyHandler;
import cn.iocoder.yudao.framework.web.core.json.XssStringJsonDeserializer;
import cn.iocoder.yudao.framework.web.core.util.WebFrameworkUtils;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.util.AntPathMatcher;
import org.springframework.util.PathMatcher;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
@ -34,7 +25,7 @@ import javax.annotation.Resource;
import javax.servlet.Filter;
@AutoConfiguration
@EnableConfigurationProperties({WebProperties.class, XssProperties.class})
@EnableConfigurationProperties(WebProperties.class)
public class YudaoWebAutoConfiguration implements WebMvcConfigurer {
@Resource
@ -107,15 +98,6 @@ public class YudaoWebAutoConfiguration implements WebMvcConfigurer {
return createFilterBean(new CacheRequestBodyFilter(), WebFilterOrderEnum.REQUEST_BODY_CACHE_FILTER);
}
/**
* 创建 XssFilter Bean，解决 Xss 安全问题
*/
@Bean
@ConditionalOnBean(XssCleaner.class)
public FilterRegistrationBean<XssFilter> xssFilter(XssProperties properties, PathMatcher pathMatcher, XssCleaner xssCleaner) {
return createFilterBean(new XssFilter(properties, pathMatcher, xssCleaner), WebFilterOrderEnum.XSS_FILTER);
}
/**
* 创建 DemoFilter Bean，演示模式
*/
@ -125,33 +107,7 @@ public class YudaoWebAutoConfiguration implements WebMvcConfigurer {
return createFilterBean(new DemoFilter(), WebFilterOrderEnum.DEMO_FILTER);
}
/**
* Xss 清理者
*
* @return XssCleaner
*/
@Bean
@ConditionalOnMissingBean(XssCleaner.class)
public XssCleaner xssCleaner() {
return new JsoupXssCleaner();
}
/**
* 注册 Jackson 的序列化器，用于处理 json 类型参数的 xss 过滤
*
* @return Jackson2ObjectMapperBuilderCustomizer
*/
@Bean
@ConditionalOnMissingBean(name = "xssJacksonCustomizer")
@ConditionalOnBean(ObjectMapper.class)
@ConditionalOnProperty(value = "yudao.xss.enable", havingValue = "true")
public Jackson2ObjectMapperBuilderCustomizer xssJacksonCustomizer(XssCleaner xssCleaner) {
// 在反序列化时进行 xss 过滤，可以替换使用 XssStringJsonSerializer，在序列化时进行处理
return builder -> builder.deserializerByType(String.class, new XssStringJsonDeserializer(xssCleaner));
}
private static <T extends Filter> FilterRegistrationBean<T> createFilterBean(T filter, Integer order) {
public static <T extends Filter> FilterRegistrationBean<T> createFilterBean(T filter, Integer order) {
FilterRegistrationBean<T> bean = new FilterRegistrationBean<>(filter);
bean.setOrder(order);
return bean;

2
yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/web/config/XssProperties.java → yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/xss/config/XssProperties.java
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@ -1,4 +1,4 @@
package cn.iocoder.yudao.framework.web.config;
package cn.iocoder.yudao.framework.xss.config;
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;

60
yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/xss/config/YudaoXssAutoConfiguration.java Normal file
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@ -0,0 +1,60 @@
package cn.iocoder.yudao.framework.xss.config;
import cn.iocoder.yudao.framework.common.enums.WebFilterOrderEnum;
import cn.iocoder.yudao.framework.xss.core.clean.JsoupXssCleaner;
import cn.iocoder.yudao.framework.xss.core.clean.XssCleaner;
import cn.iocoder.yudao.framework.xss.core.filter.XssFilter;
import cn.iocoder.yudao.framework.xss.core.json.XssStringJsonDeserializer;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.util.PathMatcher;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import static cn.iocoder.yudao.framework.web.config.YudaoWebAutoConfiguration.createFilterBean;
@AutoConfiguration
@EnableConfigurationProperties(XssProperties.class)
public class YudaoXssAutoConfiguration implements WebMvcConfigurer {
/**
* Xss 清理者
*
* @return XssCleaner
*/
@Bean
@ConditionalOnMissingBean(XssCleaner.class)
public XssCleaner xssCleaner() {
return new JsoupXssCleaner();
}
/**
* 注册 Jackson 的序列化器，用于处理 json 类型参数的 xss 过滤
*
* @return Jackson2ObjectMapperBuilderCustomizer
*/
@Bean
@ConditionalOnMissingBean(name = "xssJacksonCustomizer")
@ConditionalOnBean(ObjectMapper.class)
@ConditionalOnProperty(value = "yudao.xss.enable", havingValue = "true")
public Jackson2ObjectMapperBuilderCustomizer xssJacksonCustomizer(XssCleaner xssCleaner) {
// 在反序列化时进行 xss 过滤，可以替换使用 XssStringJsonSerializer，在序列化时进行处理
return builder -> builder.deserializerByType(String.class, new XssStringJsonDeserializer(xssCleaner));
}
/**
* 创建 XssFilter Bean，解决 Xss 安全问题
*/
@Bean
@ConditionalOnBean(XssCleaner.class)
public FilterRegistrationBean<XssFilter> xssFilter(XssProperties properties, PathMatcher pathMatcher, XssCleaner xssCleaner) {
return createFilterBean(new XssFilter(properties, pathMatcher, xssCleaner), WebFilterOrderEnum.XSS_FILTER);
}
}

20
yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/web/core/clean/JsoupXssCleaner.java → yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/xss/core/clean/JsoupXssCleaner.java
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@ -1,11 +1,11 @@
package cn.iocoder.yudao.framework.web.core.clean;
package cn.iocoder.yudao.framework.xss.core.clean;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.safety.Safelist;
/**
* jsonp 过滤字符串
* 基于 JSONP 实现 XSS 过滤字符串
*/
public class JsoupXssCleaner implements XssCleaner {
@ -24,21 +24,6 @@ public class JsoupXssCleaner implements XssCleaner {
this.baseUri = "";
}
public JsoupXssCleaner(Safelist safelist) {
this.safelist = safelist;
this.baseUri = "";
}
public JsoupXssCleaner(String baseUri) {
this.safelist = buildSafelist();
this.baseUri = baseUri;
}
public JsoupXssCleaner(Safelist safelist, String baseUri) {
this.safelist = safelist;
this.baseUri = baseUri;
}
/**
* 构建一个 Xss 清理的 Safelist 规则。
* 基于 Safelist#relaxed() 的基础上:
@ -67,7 +52,6 @@ public class JsoupXssCleaner implements XssCleaner {
// 虽然可以重写 WhiteList#isSafeAttribute 来处理，但是有隐患，所以暂时不支持相对路径
// WHITELIST.removeProtocols("a", "href", "ftp", "http", "https", "mailto");
// WHITELIST.removeProtocols("img", "src", "http", "https");
return relaxedSafelist;
}

3
yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/web/core/clean/XssCleaner.java → yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/xss/core/clean/XssCleaner.java
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@ -1,4 +1,4 @@
package cn.iocoder.yudao.framework.web.core.clean;
package cn.iocoder.yudao.framework.xss.core.clean;
/**
* 对 html 文本中的有 Xss 风险的数据进行清理
@ -12,4 +12,5 @@ public interface XssCleaner {
* @return 清理后的 html
*/
String clean(String html);
}

8
yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/web/core/filter/XssFilter.java → yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/xss/core/filter/XssFilter.java
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@ -1,7 +1,7 @@
package cn.iocoder.yudao.framework.web.core.filter;
package cn.iocoder.yudao.framework.xss.core.filter;
import cn.iocoder.yudao.framework.web.config.XssProperties;
import cn.iocoder.yudao.framework.web.core.clean.XssCleaner;
import cn.iocoder.yudao.framework.xss.config.XssProperties;
import cn.iocoder.yudao.framework.xss.core.clean.XssCleaner;
import lombok.AllArgsConstructor;
import org.springframework.util.PathMatcher;
import org.springframework.web.filter.OncePerRequestFilter;
@ -14,8 +14,6 @@ import java.io.IOException;
/**
* Xss 过滤器
* <p>
* 对 Xss 不了解的胖友，可以看看 http://www.iocoder.cn/Fight/The-new-girl-asked-me-why-AJAX-requests-are-not-secure-I-did-not-answer/
*
* @author 芋道源码
*/

5
yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/web/core/filter/XssRequestWrapper.java → yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/xss/core/filter/XssRequestWrapper.java
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@ -1,6 +1,6 @@
package cn.iocoder.yudao.framework.web.core.filter;
package cn.iocoder.yudao.framework.xss.core.filter;
import cn.iocoder.yudao.framework.web.core.clean.XssCleaner;
import cn.iocoder.yudao.framework.xss.core.clean.XssCleaner;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
@ -13,6 +13,7 @@ import java.util.Map;
* @author 芋道源码
*/
public class XssRequestWrapper extends HttpServletRequestWrapper {
private final XssCleaner xssCleaner;
public XssRequestWrapper(HttpServletRequest request, XssCleaner xssCleaner) {

4
yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/web/core/json/XssStringJsonDeserializer.java → yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/xss/core/json/XssStringJsonDeserializer.java
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@ -1,6 +1,6 @@
package cn.iocoder.yudao.framework.web.core.json;
package cn.iocoder.yudao.framework.xss.core.json;
import cn.iocoder.yudao.framework.web.core.clean.XssCleaner;
import cn.iocoder.yudao.framework.xss.core.clean.XssCleaner;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.DeserializationContext;

6
yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/xss/package-info.java Normal file
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@ -0,0 +1,6 @@
/**
* 针对 XSS 的基础封装
*
* XSS 说明：https://tech.meituan.com/2018/09/27/fe-security.html
*/
package cn.iocoder.yudao.framework.xss;

1
yudao-framework/yudao-spring-boot-starter-web/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports
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@ -2,3 +2,4 @@ cn.iocoder.yudao.framework.apilog.config.YudaoApiLogAutoConfiguration
cn.iocoder.yudao.framework.jackson.config.YudaoJacksonAutoConfiguration
cn.iocoder.yudao.framework.swagger.config.YudaoSwaggerAutoConfiguration
cn.iocoder.yudao.framework.web.config.YudaoWebAutoConfiguration
cn.iocoder.yudao.framework.xss.config.YudaoXssAutoConfiguration