update 适配 javax.servlet 替换为 jakarta.servlet 更新所有代码 update 适配 ServletUtils 更...

疯狂的狮子Li

2023-01-13 0fc796b90d3f44b81ef30285edb897223df439f7

 ruoyi-common/src/main/java/com/ruoyi/common/filter/XssHttpServletRequestWrapper.java

@@ -1,111 +1,97 @@
package com.ruoyi.common.filter;



import java.io.ByteArrayInputStream;

import java.io.IOException;

import javax.servlet.ReadListener;

import javax.servlet.ServletInputStream;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletRequestWrapper;

import org.apache.commons.io.IOUtils;

import org.springframework.http.HttpHeaders;

import org.springframework.http.MediaType;

import com.ruoyi.common.utils.StringUtils;

import com.ruoyi.common.utils.html.EscapeUtil;



/**

 * XSS过滤处理

 * 
 * @author ruoyi

 */

public class XssHttpServletRequestWrapper extends HttpServletRequestWrapper

{

    /**

     * @param request

     */

    public XssHttpServletRequestWrapper(HttpServletRequest request)

    {

        super(request);

    }



    @Override

    public String[] getParameterValues(String name)

    {

        String[] values = super.getParameterValues(name);

        if (values != null)

        {

            int length = values.length;

            String[] escapseValues = new String[length];

            for (int i = 0; i < length; i++)

            {

                // 防xss攻击和过滤前后空格

                escapseValues[i] = EscapeUtil.clean(values[i]).trim();

            }

            return escapseValues;

        }

        return super.getParameterValues(name);

    }



    @Override

    public ServletInputStream getInputStream() throws IOException

    {

        // 非json类型，直接返回

        if (!isJsonRequest())

        {

            return super.getInputStream();

        }



        // 为空，直接返回

        String json = IOUtils.toString(super.getInputStream(), "utf-8");

        if (StringUtils.isEmpty(json))

        {

            return super.getInputStream();

        }



        // xss过滤

        json = EscapeUtil.clean(json).trim();

        byte[] jsonBytes = json.getBytes("utf-8");

        final ByteArrayInputStream bis = new ByteArrayInputStream(jsonBytes);

        return new ServletInputStream()

        {

            @Override

            public boolean isFinished()

            {

                return true;

            }



            @Override

            public boolean isReady()

            {

                return true;

            }



            @Override

            public int available() throws IOException

            {

                return jsonBytes.length;

            }



            @Override

            public void setReadListener(ReadListener readListener)

            {

            }



            @Override

            public int read() throws IOException

            {

                return bis.read();

            }

        };

    }



    /**

     * 是否是Json请求

     * 
     * @param request

     */

    public boolean isJsonRequest()

    {

        String header = super.getHeader(HttpHeaders.CONTENT_TYPE);

        return StringUtils.startsWithIgnoreCase(header, MediaType.APPLICATION_JSON_VALUE);

    }

}
package com.ruoyi.common.filter;

import cn.hutool.core.io.IoUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HtmlUtil;
import com.ruoyi.common.utils.StringUtils;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;

import jakarta.servlet.ReadListener;
import jakarta.servlet.ServletInputStream;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletRequestWrapper;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

/**
 * XSS过滤处理
 *
 * @author ruoyi
 */
public class XssHttpServletRequestWrapper extends HttpServletRequestWrapper {
    /**
     * @param request
     */
    public XssHttpServletRequestWrapper(HttpServletRequest request) {
        super(request);
    }

    @Override
    public String[] getParameterValues(String name) {
        String[] values = super.getParameterValues(name);
        if (values != null) {
            int length = values.length;
            String[] escapesValues = new String[length];
            for (int i = 0; i < length; i++) {
                // 防xss攻击和过滤前后空格
                escapesValues[i] = HtmlUtil.cleanHtmlTag(values[i]).trim();
            }
            return escapesValues;
        }
        return super.getParameterValues(name);
    }

    @Override
    public ServletInputStream getInputStream() throws IOException {
        // 非json类型，直接返回
        if (!isJsonRequest()) {
            return super.getInputStream();
        }

        // 为空，直接返回
        String json = StrUtil.str(IoUtil.readBytes(super.getInputStream(), false), StandardCharsets.UTF_8);
        if (StringUtils.isEmpty(json)) {
            return super.getInputStream();
        }

        // xss过滤
        json = HtmlUtil.cleanHtmlTag(json).trim();
        byte[] jsonBytes = json.getBytes(StandardCharsets.UTF_8);
        final ByteArrayInputStream bis = IoUtil.toStream(jsonBytes);
        return new ServletInputStream() {
            @Override
            public boolean isFinished() {
                return true;
            }

            @Override
            public boolean isReady() {
                return true;
            }

            @Override
            public int available() throws IOException {
                return jsonBytes.length;
            }

            @Override
            public void setReadListener(ReadListener readListener) {
            }

            @Override
            public int read() throws IOException {
                return bis.read();
            }
        };
    }

    /**
     * 是否是Json请求
     */
    public boolean isJsonRequest() {
        String header = super.getHeader(HttpHeaders.CONTENT_TYPE);
        return StringUtils.startsWithIgnoreCase(header, MediaType.APPLICATION_JSON_VALUE);
    }
}