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From Martin Cooper <mart...@apache.org>
Subject Re: [fileupload] how does it handle anti-virus?
Date Wed, 28 Jan 2004 06:14:01 GMT
On Wed, 28 Jan 2004, CHOY, ALAN wrote:

> Thanks Craig for your information.
>
> I was told that the anti-virus software on the server will be triggered when the
> uploaded file (or file stream) is closed.  Assume this is the case, would you
> please compare the mechanism/timing of file close between Struts 1.0.2 and
> FileUpload package?  Thanks.

Depending on the size of the uploaded file, it's possible that in one case
the file was written to disk, while in the other case it was retained in
memory. In the latter case, obviously, the anti-virus software would not
be triggered.

--
Martin Cooper


> ______________________________________________________________
>
> "Craig R. McClanahan" wrote:
>
> > Quoting "CHOY, ALAN" <alan.choy@cgi.com>:
> >
> > > I'm wondering how FileUpload handles file which is infected with virus.
> > > I've tried Struts 1.0.2, which used its own library, and when a virus
> > > infected file is uploaded, it triggered the anti-virus software on the
> > > server immediately, and the FormFile that I got was null.
> > >
> > > However when I used Struts 1.1 (which used FileUpload by default), the
> > > virus infected file was able to upload to the server successfully just
> > > like a regular file.  Does anyone have any experience in this area?
> > >
> >
> > Neither the file upload code in Struts 1.0.2, nor the code in
> > commons-fileupload, pays attention to the content of the uploaded file.  Any
> > triggering of anti-virus software on the content was being done by some other
> > code.
> >
> > > Alan Choy
> >
> > Craig
>
>
>
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