Package org.apache.sling.security.impl

Class ReferrerFilter

  • All Implemented Interfaces:
    javax.servlet.Filter, org.osgi.service.http.whiteboard.Preprocessor
    public class ReferrerFilter
extends java.lang.Object
implements org.osgi.service.http.whiteboard.Preprocessor

    • Constructor Summary

      Constructors 
      Constructor Description
      ReferrerFilter()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected void activate​(org.osgi.framework.BundleContext context, ReferrerFilter.Config config)  
      protected void deactivate()  
      void destroy()  
      void doFilter​(javax.servlet.ServletRequest req, javax.servlet.ServletResponse res, javax.servlet.FilterChain chain)  
      void init​(javax.servlet.FilterConfig config)  
      protected boolean isBrowserRequest​(javax.servlet.http.HttpServletRequest request)
      Returns true if the given request can be assumed to be sent by a client browser such as Firefix, Internet Explorer, etc.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • ReferrerFilter

        public ReferrerFilter()

    • Method Detail

      • activate

        protected void activate​(org.osgi.framework.BundleContext context,
                        ReferrerFilter.Config config)

      • deactivate

        protected void deactivate()

      • doFilter

        public void doFilter​(javax.servlet.ServletRequest req,
                     javax.servlet.ServletResponse res,
                     javax.servlet.FilterChain chain)
              throws java.io.IOException,
                     javax.servlet.ServletException
        Specified by:
        doFilter in interface javax.servlet.Filter
        Throws:
        java.io.IOException
        javax.servlet.ServletException

      • init

        public void init​(javax.servlet.FilterConfig config)
          throws javax.servlet.ServletException
        Specified by:
        init in interface javax.servlet.Filter
        Throws:
        javax.servlet.ServletException
        See Also:
        Filter.init(javax.servlet.FilterConfig)

      • destroy

        public void destroy()
        Specified by:
        destroy in interface javax.servlet.Filter
        See Also:
        Filter.destroy()

      • isBrowserRequest

        protected boolean isBrowserRequest​(javax.servlet.http.HttpServletRequest request)
        Returns true if the given request can be assumed to be sent by a client browser such as Firefix, Internet Explorer, etc.

        This method inspects the User-Agent header and returns true if the header contains the string Mozilla (known to be contained in Firefox, Internet Explorer, WebKit-based browsers User-Agent) or Opera (known to be contained in the Opera User-Agent).

        Parameters:
        request - The request to inspect
        Returns:
        true if the request is assumed to be sent by a browser.