Java防止xss攻擊附相關(guān)文件下載

<filter>
	<filter-name>XSSFilter</filter-name>
	<filter-class>com.***.web.filter.XSSFilter</filter-class>
</filter>
<filter-mapping>
	<filter-name>XSSFilter</filter-name>
	<url-pattern>/*</url-pattern>
	<dispatcher>REQUEST</dispatcher>
 
</filter-mapping>

import java.io.IOException;
 
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
 
public class XSSFilter implements Filter {
 
	FilterConfig filterConfig = null;
 
	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		this.filterConfig = filterConfig;
	}
 
	@Override
	public void destroy() {
		this.filterConfig = null;
	}
 
	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		chain.doFilter(new XSSRequestWrapper((HttpServletRequest) request), response);
	}
 
}

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
 
import org.apache.commons.lang3.StringEscapeUtils;
 
public class XSSRequestWrapper extends HttpServletRequestWrapper {
 
	public XSSRequestWrapper(HttpServletRequest servletRequest) {
		super(servletRequest);
	}
 
	@Override
	public String getHeader(String name) {
		return StringEscapeUtils.escapeHtml4(super.getHeader(name));
	}
 
	@Override
	public String getQueryString() {
		return StringEscapeUtils.escapeHtml4(super.getQueryString());
	}
 
	@Override
	public String getParameter(String name) {
		return StringEscapeUtils.escapeHtml4(super.getParameter(name));
	}
 
	@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++) {
				escapseValues[i] = StringEscapeUtils.escapeHtml4(values[i]);
			}
			return escapseValues;
		}
		return super.getParameterValues(name);
	}
}

import java.util.regex.Pattern;
 
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
 
public class XSSRequestWrapper extends HttpServletRequestWrapper {
 
	public XSSRequestWrapper(HttpServletRequest servletRequest) {
		super(servletRequest);
	}
 
	@Override
	public String[] getParameterValues(String parameter) {
		String[] values = super.getParameterValues(parameter);
 
		if (values == null) {
			return null;
		}
 
		int count = values.length;
		String[] encodedValues = new String[count];
		for (int i = 0; i < count; i++) {
			encodedValues[i] = stripXSS(values[i]);
		}
 
		return encodedValues;
	}
 
	@Override
	public String getParameter(String parameter) {
		String value = super.getParameter(parameter);
 
		return stripXSS(value);
	}
 
	@Override
	public String getHeader(String name) {
		String value = super.getHeader(name);
		return stripXSS(value);
	}
 
	private String stripXSS(String value) {
		if (value != null) {
			// Avoid null characters
			value = value.replaceAll("", "");
 
			// Avoid anything between script tags
			Pattern scriptPattern = Pattern.compile("<script>(.*?)</script>", Pattern.CASE_INSENSITIVE);
			value = scriptPattern.matcher(value).replaceAll("");
 
			// Avoid anything in a src='...' type of e­xpression
			scriptPattern = Pattern.compile("src[\r\n]*=[\r\n]*\\\'(.*?)\\\'",
					Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL);
			value = scriptPattern.matcher(value).replaceAll("");
 
			scriptPattern = Pattern.compile("src[\r\n]*=[\r\n]*\\\"(.*?)\\\"",
					Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL);
			value = scriptPattern.matcher(value).replaceAll("");
 
			// Remove any lonesome </script> tag
			scriptPattern = Pattern.compile("</script>", Pattern.CASE_INSENSITIVE);
			value = scriptPattern.matcher(value).replaceAll("");
 
			// Remove any lonesome <script ...> tag
			scriptPattern = Pattern.compile("<script(.*?)>", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL);
			value = scriptPattern.matcher(value).replaceAll("");
 
			// Avoid eval(...) e­xpressions
			scriptPattern = Pattern.compile("eval\\((.*?)\\)", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL);
			value = scriptPattern.matcher(value).replaceAll("");
 
			// Avoid e­xpression(...) e­xpressions
			scriptPattern = Pattern.compile("e­xpression\\((.*?)\\)", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL);
			value = scriptPattern.matcher(value).replaceAll("");
 
			// Avoid javascript:... e­xpressions
			scriptPattern = Pattern.compile("javascript:", Pattern.CASE_INSENSITIVE);
			value = scriptPattern.matcher(value).replaceAll("");
 
			// Avoid vbscript:... e­xpressions
			scriptPattern = Pattern.compile("vbscript:", Pattern.CASE_INSENSITIVE);
			value = scriptPattern.matcher(value).replaceAll("");
 
			// Avoid οnlοad= e­xpressions
			scriptPattern = Pattern.compile("onload(.*?)=", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL);
			value = scriptPattern.matcher(value).replaceAll("");
		}
		return value;
	}
}

<!-- https://mvnrepository.com/artifact/org.antlr/antlr -->
<dependency>
 <groupId>org.antlr</groupId>
 <artifactId>antlr</artifactId>
 <version>3.0.1</version>
</dependency>
 
<!-- https://mvnrepository.com/artifact/org.antlr/antlr-runtime -->
<dependency>
 <groupId>org.antlr</groupId>
 <artifactId>antlr-runtime</artifactId>
 <version>3.0.1</version>
</dependency>

var escapeHTML = function (text) {
  if (typeof text === 'string') {
   return text
    .replace(/&/g, '&')
    .replace(/</g, '&lt;')
    .replace(/>/g, '&gt;')
    .replace(/"/g, '&quot;')
    .replace(/'/g, '&#039;')
    .replace(/`/g, '&#x60;');
  }
  return text;
 };