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bugfix：修复 Xss 开启时，忽略的 URL 针对 RequestBody 还是会 XSS 过滤的问题

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This commit is contained in:
YunaiV
2024-03-30 17:39:56 +08:00
parent d636391a50
commit c943233ee5
2 changed files with 27 additions and 2 deletions
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6
yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/xss/config/YudaoXssAutoConfiguration.java
View File

@@ -44,9 +44,11 @@ public class YudaoXssAutoConfiguration implements WebMvcConfigurer {
@ConditionalOnMissingBean(name = "xssJacksonCustomizer")
@ConditionalOnBean(ObjectMapper.class)
@ConditionalOnProperty(value = "yudao.xss.enable", havingValue = "true")
public Jackson2ObjectMapperBuilderCustomizer xssJacksonCustomizer(XssCleaner xssCleaner) {
public Jackson2ObjectMapperBuilderCustomizer xssJacksonCustomizer(XssProperties properties,
PathMatcher pathMatcher,
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));
return builder -> builder.deserializerByType(String.class, new XssStringJsonDeserializer(properties, pathMatcher, xssCleaner));
}
/**

23
yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/xss/core/json/XssStringJsonDeserializer.java
View File

@@ -1,12 +1,16 @@
package cn.iocoder.yudao.framework.xss.core.json;
import cn.iocoder.yudao.framework.common.util.servlet.ServletUtils;
import cn.iocoder.yudao.framework.xss.config.XssProperties;
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;
import com.fasterxml.jackson.databind.deser.std.StringDeserializer;
import jakarta.servlet.http.HttpServletRequest;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.util.PathMatcher;
import java.io.IOException;
@@ -20,10 +24,29 @@ import java.io.IOException;
@AllArgsConstructor
public class XssStringJsonDeserializer extends StringDeserializer {
/**
* 属性
*/
private final XssProperties properties;
/**
* 路径匹配器
*/
private final PathMatcher pathMatcher;
private final XssCleaner xssCleaner;
@Override
public String deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
// 1. 白名单 URL 的处理
HttpServletRequest request = ServletUtils.getRequest();
if (request != null) {
String uri = ServletUtils.getRequest().getRequestURI();
if (properties.getExcludeUrls().stream().anyMatch(excludeUrl -> pathMatcher.match(excludeUrl, uri))) {
return p.getText();
}
}
// 2. 真正使用 xssCleaner 进行过滤
if (p.hasToken(JsonToken.VALUE_STRING)) {
return xssCleaner.clean(p.getText());
}