我相信這段代碼可以被美化了一番一點,它可能會錯過一些極端情況,但這裏是一個通用的Servlet過濾器將重定向所有http
流量https
:
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;
public class SecureFilter implements Filter {
public void init(FilterConfig arg0) throws ServletException {}
public void destroy() {}
public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
throws IOException, ServletException {
HttpServletRequest hr = (HttpServletRequest) req;
HttpServletResponse hs = (HttpServletResponse) res;
if(req.isSecure() ||
(hr.getHeader("X-Forwarded-Proto")!=null &&
hr.getHeader("X-Forwarded-Proto").equals("https"))) {
chain.doFilter(req,res);
} else {
hs.sendRedirect("https://"+
hr.getHeader("Host")+
hr.getRequestURI()+
(hr.getQueryString()!=null? "?"+hr.getQueryString():""));
}
}
}
將它添加到您的通過在web.xml
中插入以下內容:
<filter>
<filter-name>SecureFilter</filter-name>
<filter-class>SecureFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>SecureFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
您使用的是什麼框架?碼頭嵌入? Spring MVC編譯爲WAR + Tomcat/Jetty亞軍?其他? – 2012-02-16 23:32:30
Ditto Jesper。 Heroku不提供這樣做的工具。您需要在應用程序級別執行此操作。所以解決方案取決於你使用的是什麼框架。 – 2012-02-17 02:30:47
我正在使用Spring MVC編譯成WAR + jetty亞軍.. – 2012-02-17 20:04:45