?? securityfilter.java
字號(hào):
package com.yayisoft.sso.client;
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;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class SecurityFilter implements Filter {
/**
* Constructor of the object.
*/
public SecurityFilter() {
super();
}
// private FilterConfig filterConfig;
// Handle the passed-in FilterConfig
public void init(FilterConfig filterConfig) throws ServletException {
// this.filterConfig = filterConfig;//讀取配置信息
}
public void doFilter(ServletRequest req, ServletResponse res,
FilterChain filterChain)
{
try {
HttpServletRequest request = (HttpServletRequest) req;
HttpServletResponse response = (HttpServletResponse) res;
HttpSession session = request.getSession(true);
String user = (String)session.getAttribute("user");
if(user == null){
StringBuffer url = request.getRequestURL();
String baseURL = request.getLocalAddr();
System.out.println("非法用戶被SecurityFilter過濾^.^"+url.toString()+"ip"+baseURL);
String domain = request.getLocalAddr()+ ":" + request.getLocalPort() + request.getContextPath();// TODO Config
response.sendRedirect("http://" + domain + "/Reception?url=" + url);
return;
}
// 這里放到達(dá)目的地前(進(jìn)入)處理代碼
filterChain.doFilter(req, res);
// 這里放到達(dá)目的地(離開)的處理代碼
} catch (IOException e) {
e.printStackTrace();
} catch (ServletException e) {
e.printStackTrace();
}
}
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
// Just puts "destroy" string in log
// Put your code here
}
}
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