url中午编码filter

Raod 3 years ago
parent ae28acd897
commit 00181aaa10

@ -0,0 +1,77 @@
package com.anjiplus.template.gaea.business.filter;
import com.anji.plus.gaea.constant.GaeaConstant;
import org.apache.catalina.util.ParameterMap;
import org.apache.commons.lang3.StringUtils;
import org.apache.ibatis.ognl.IteratorEnumeration;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import java.io.IOException;
import java.net.URLDecoder;
import java.util.Enumeration;
import java.util.Map;
import java.util.Set;
/**
* @author: Raod
* @since: 2022-01-26
*/
@Component
@Order(Ordered.HIGHEST_PRECEDENCE + 1)
public class UrlDecodeFilter implements Filter {
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
HttpServletRequest httpServletRequest = (HttpServletRequest) servletRequest;
ParameterMap<String, String[]> parameterMap = (ParameterMap) httpServletRequest.getParameterMap();
ParamHttpServletRequestWrapper wrapper = new ParamHttpServletRequestWrapper(httpServletRequest, parameterMap);
Enumeration<String> parameterNames = wrapper.getParameterNames();
while (parameterNames.hasMoreElements()) {
String paramName = parameterNames.nextElement();
String parameter = httpServletRequest.getParameter(paramName);
if (StringUtils.isNotBlank(parameter)) {
String decode = URLDecoder.decode(parameter, GaeaConstant.CHARSET_UTF8);
parameterMap.setLocked(false);
parameterMap.put(paramName, new String[]{decode});
}
}
filterChain.doFilter(wrapper, servletResponse);
}
/**
*
*/
class ParamHttpServletRequestWrapper extends HttpServletRequestWrapper {
private ParameterMap<String, String[]> parameterMap;
public ParamHttpServletRequestWrapper(HttpServletRequest request, ParameterMap<String, String[]> parameterMap) {
super(request);
this.parameterMap = parameterMap;
}
@Override
public Map<String, String[]> getParameterMap() {
return parameterMap;
}
@Override
public Enumeration<String> getParameterNames() {
Set<String> keySet = parameterMap.keySet();
IteratorEnumeration iteratorEnumeration = new IteratorEnumeration(keySet.iterator());
return iteratorEnumeration;
}
@Override
public String[] getParameterValues(String name) {
return parameterMap.get(name);
}
}
}
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