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AdminFilter.java
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AdminFilter.java
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/*
* (The MIT License)
*
* Copyright (c) 2011 Rakuraku Jyo <jyo.rakuraku@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the 'Software'), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to
* do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*/
package h2weibo.filters;
import h2weibo.Keys;
import org.apache.log4j.Logger;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
public class AdminFilter implements Filter {
private static final Logger log = Logger.getLogger(AdminFilter.class.getName());
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
HttpSession session = ((HttpServletRequest) req).getSession();
String user = (String) session.getAttribute(Keys.SESSION_LOGIN_USER);
String admin = System.getProperty("h2weibo.admin.user", "xu_lele");
if (!admin.equals(user)) {
log.info("Not logged in. Redirect to twitter login.");
session.setAttribute(Keys.SESSION_REQUEST_URL, ((HttpServletRequest) req).getRequestURL().toString());
((HttpServletResponse) res).sendRedirect("/auth/twitter");
} else {
chain.doFilter(req, res);
}
}
@Override
public void destroy() {
}
}