[xsl] interactive: calling CGIs using document("") function

[S Woodside <sbwoodside@xxxxxxxxx>]

I'm actually writing an interactive server-side application using XSLT 
(on axkit platform, though it could be cocoon too) where I pass back 
parameters in the URL and receive in the params of the stylesheet, much 
like many CGIs operate.

One thing I want to do with the parameters is potentially add one of 
them into a file, and I think I will try to do this using the document 
call. My idea is that the XSLT will have something like this:

<xsl:param name="some_input"/>

...

  <xsl:value-of 
select="document('http://localhost/foo/bar.cgi?input={$some_input}')"/>

Where /foo/bar.cgi is some CGI (could be XSLT too of course!) that will 
take the input parameter and add it to a file and return perhaps simply 
a yes or a no answer as the output something like this:
<foo_bar_result>OK</foo_bar_result>

Since I'm using a pipeline I can then have a look at the result in the 
next stage of the pipeline to see if it worked!

I didn't find this in the XSLT FAQ so I thought I'd post it. Thoughts?

I am also a little concerned about security too.

Simon


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