XSS 配置

This commit is contained in:
cwchen 2025-09-08 15:34:02 +08:00
parent de712aea1a
commit 94bd1e3b46
3 changed files with 134 additions and 2 deletions

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@ -147,6 +147,12 @@
<version>1.9.7</version>
</dependency>
<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>20231013</version>
</dependency>
</dependencies>
</project>

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@ -70,13 +70,13 @@ public class ParamSecureHandler implements AsyncHandlerInterceptor {
/**
* 校验参数是否合法
*/
/*if (!requestWrapper.isChecked()) {
if (!requestWrapper.isChecked()) {
log.error("输入值非法: queryString={}, body={}",
StringUtils.defaultString(requestWrapper.getQueryString(), "null"),
StringUtils.defaultString(requestWrapper.getReaderParam(), "null"));
returnJson(response, "输入值非法", 500);
return false;
}*/
}
// System.err.println(JSON.toJSONString(request.getParameterMap()));
/**

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@ -1,6 +1,9 @@
package com.bonus.framework.interceptor;
import lombok.extern.slf4j.Slf4j;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import javax.servlet.ReadListener;
import javax.servlet.ServletInputStream;
@ -195,6 +198,12 @@ public class XssRequestWrapper extends HttpServletRequestWrapper {
return true;
}
// 首先检查是否为JSON格式
if (isJsonString(value)) {
// 对JSON字符串进行特殊处理检查值部分是否包含XSS
return isJsonSafe(value);
}
List<Pattern> patterns = new ArrayList<>();
patterns.add(Pattern.compile(regex1, Pattern.CASE_INSENSITIVE));
patterns.add(Pattern.compile(regex2, Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL));
@ -216,6 +225,123 @@ public class XssRequestWrapper extends HttpServletRequestWrapper {
return true; // 安全
}
// 检查字符串是否为JSON格式
private boolean isJsonString(String str) {
try {
// 尝试解析为JSON对象
new JSONObject(str);
return true;
} catch (JSONException e1) {
try {
// 尝试解析为JSON数组
new JSONArray(str);
return true;
} catch (JSONException e2) {
return false;
}
}
}
// 检查JSON字符串中的值是否安全
private boolean isJsonSafe(String jsonStr) {
try {
// 处理JSON对象
if (jsonStr.trim().startsWith("{")) {
JSONObject jsonObject = new JSONObject(jsonStr);
return isJsonObjectSafe(jsonObject);
}
// 处理JSON数组
else if (jsonStr.trim().startsWith("[")) {
JSONArray jsonArray = new JSONArray(jsonStr);
return isJsonArraySafe(jsonArray);
}
return true;
} catch (JSONException e) {
// 解析失败回退到普通字符串检查
return xssCleanNewFallback(jsonStr);
}
}
// 递归检查JSON对象的安全性
private boolean isJsonObjectSafe(JSONObject jsonObject) throws JSONException {
Iterator<String> keys = jsonObject.keys();
while (keys.hasNext()) {
String key = keys.next();
Object value = jsonObject.get(key);
// 检查key的安全性
if (!xssCleanNewFallback(key)) {
return false;
}
// 检查value的安全性
if (value instanceof String) {
if (!xssCleanNewFallback((String) value)) {
return false;
}
} else if (value instanceof JSONObject) {
if (!isJsonObjectSafe((JSONObject) value)) {
return false;
}
} else if (value instanceof JSONArray) {
if (!isJsonArraySafe((JSONArray) value)) {
return false;
}
}
}
return true;
}
// 递归检查JSON数组的安全性
private boolean isJsonArraySafe(JSONArray jsonArray) throws JSONException {
for (int i = 0; i < jsonArray.length(); i++) {
Object value = jsonArray.get(i);
if (value instanceof String) {
if (!xssCleanNewFallback((String) value)) {
return false;
}
} else if (value instanceof JSONObject) {
if (!isJsonObjectSafe((JSONObject) value)) {
return false;
}
} else if (value instanceof JSONArray) {
if (!isJsonArraySafe((JSONArray) value)) {
return false;
}
}
}
return true;
}
// 回退到原始的模式匹配避免递归调用
private boolean xssCleanNewFallback(String value) {
if (value == null) {
return true;
}
List<Pattern> patterns = new ArrayList<>();
// 这里添加你的所有XSS模式...
patterns.add(Pattern.compile(regex1, Pattern.CASE_INSENSITIVE));
patterns.add(Pattern.compile(regex2, Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL));
patterns.add(Pattern.compile(regex3, Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL));
patterns.add(Pattern.compile(regex4, Pattern.CASE_INSENSITIVE));
patterns.add(Pattern.compile(regex5, Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL));
patterns.add(Pattern.compile(regex6, Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL));
patterns.add(Pattern.compile(regex7, Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL));
patterns.add(Pattern.compile(regex8, Pattern.CASE_INSENSITIVE));
patterns.add(Pattern.compile(regex9, Pattern.CASE_INSENSITIVE));
patterns.add(Pattern.compile(regex10, Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL));
patterns.add(Pattern.compile(SAFE_SCRIPT_PATTERN, Pattern.CASE_INSENSITIVE));
for (Pattern pattern : patterns) {
if (match(pattern, value)) {
return false;
}
}
return true;
}
/**
* 执行正则表达式匹配
*/