[opencms-dev] Real Client IP address in Open CMS
Peter Hagl
Peter.Hagl at gmx.at
Mon Aug 18 12:51:01 CEST 2003
Hello
I have tried to get the real IP address of a client like (126.158.4.240) but
every own made code is up to now not working.
Can anyone please send me an hole example which is working. I have also
tried all of your helpful codes. But they also don' t work.
Maybe that' s my fault. So please send me a complete working example code
for reading out the clients real ip address.
Your's Peter
> Hello Peter,
>
> I don't normally use OpenCMS but it seems you are doing something wrong
> in your .jsp code below:
>
> HttpServletRequest req =
>
(HttpServletRequest)cmsobject.getRequestContext().getRequest().getOriginalRequest();
>
> String ip=req.getRemoteAddr();
>
>
> You don' t have to do the above, as a the request object is made
> available to each jsp page in a webapp by the servlet container.
>
> All you have to do is String ip = request.getRemoteAdd(); and you should
> have the ip address of the Remote machine.
>
> The page import for javax.servlet.* is not necessary.
>
> Please have a look at the documentation for javax.servlet.ServletRequest
>
>
>
> Peter Hagl wrote:
>
> >Dear Users
> >
> >My latest tried code gives the following errors. Can you help me? What is
> >wrong?
> >
> >Your's
> >
> >Peter
> >
> ><%@ page import="java.util.*,javax.servlet.*,com.opencms.flex.jsp.*" %><%
> >
> >CmsJspActionElement cms = new CmsJspActionElement(pageContext, request,
> >response);
> >
> >HttpServletRequest req
>
>=(HttpServletRequest)cmsobject.getRequestContext().getRequest().getOriginalR
> >equest();
> >String ip=req.getRemoteAddr();
> >
> >
> >out.println("<h3>A simple sample
> >navigation</h3>");
> >out.println(""+ip);
> >
> >%>
> >
>
>-------------------------------------------------------------------------------------------------
> >Root cause:
> >org.apache.jasper.JasperException: Unable to compile class for JSP
> >
> >An error occurred at line: -1 in the jsp file: null
> >
> >Generated servlet error:
> > [javac] Since fork is true, ignoring compiler setting.
> > [javac] Compiling 1 source file
> > [javac] Since fork is true, ignoring compiler setting.
> > [javac] D:\Tomcat
>
>4.1\work\Standalone\localhost\opencms\WEB-INF\jsp\offline\system\modules\Mee
> >tingroom\elements\tt_jsp.java:48: cannot resolve symbol
> > [javac] symbol : variable cmsobject
> > [javac] location: class org.apache.jsp.tt_jsp
> > [javac] HttpServletRequest req
>
>=(HttpServletRequest)cmsobject.getRequestContext().getRequest().getOriginalR
> >equest();
> > [javac] ^
> > [javac] 1
> >error
> >
>
>-----------------------------------------------------------------------------------------------------------------------------------------
> >
> >
> >
> >
> >
> >
> >
> >>When you get a resource loader error, there is usually a detailed
> >>explanation a but further down telling you which line of code and at
> >>which position and in which file the app is in error.
> >>
> >>You need to try a little debugging, I dont know if your error is
> >>simply
> >>>>from copy paste, but for example, you have missed a semi-colon in your
> >>first line of code.
> >>
> >>You should only need to scroll 2 or 3 lines down to see the error
> >>report, or you can copy the whole error report to notepad or any editor
> >>for easier viewing.
> >>
> >>Happy debugging,
> >>
> >>mark
> >>
> >>-----Ursprüngliche Nachricht-----
> >>Von: opencms-dev-admin at opencms.org
> >>[mailto:opencms-dev-admin at opencms.org] Im Auftrag von Peter Hagl
> >>Gesendet: 18 August 2003 10:25
> >>An: opencms-dev at opencms.org
> >>Betreff: Re: [opencms-dev] Real Client IP address in Open CMS
> >>
> >>Hi Achim
> >>
> >>Can you help me. How can I built an API into OpenCMS. Can you please
> >>send me
> >>a hole example code that is running.
> >>
> >>I have tried so much, but nothing works:
> >>
> >>e.g.
> >>ObjectInputStream inStream = new
> >>ObjectInputStream(request.getInputStream());
> >>String myRequestObject = (String)inStream.readObject();
> >>
> >>That' s why I need a hole example which includes all definitions like
> >>libaries, JSP and so on. Because I get every time errors like
> >>Recource loader errors and I don't know if it is from the environment or
> >>>>from my code. Please send me an code example which I can just pick out
> >>with copy
> >>and paste and that is working.
> >>
> >>That will be really nice from you.
> >>
> >>Thank' s a lot
> >>
> >>Peter
> >>
> >>
> >>
> >>
> >>>Hi Peter,
> >>>
> >>>this is nothing that belongs Opencms, this belongs to the Sun J2EE
> >>>
> >>>
> >>API.
> >>
> >>
> >>>There you have a Object, called Request. This object brings all
> >>>
> >>>
> >>Enviroment
> >>
> >>
> >>>variables from the Client. There you can do something like that:
> >>>String sIpadress = myRequestObject.REMOTE_ADDR;
> >>>
> >>>Hope this helps
> >>>
> >>>Achim
> >>>
> >>>
> >>>
> >>>>I have read the email "real client ip adress" in OpenCms but I have
> >>>>
> >>>>
> >>not
> >>
> >>
> >>>>understood how I can use the Request Object and how I can read out
> >>>>
> >>>>
> >>the
> >>
> >>
> >>>>REMOTE_ADDR. Can anyone send me an example about that. I' m a
> >>>>
> >>>>
> >>newcomer
> >>
> >>
> >>>>of OpenCMS. I don' t know anything about the Request Object and the
> >>>>REMOTE_ADDR.
> >>>>
> >>>>Any help is appreciated. Thank you very much for your support
> >>>>
> >>>>Best regards
> >>>>
> >>>>Peter
> >>>>
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> >
>
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