Re: [freenet-dev] xsl in fproxy

2003-10-24 Thread Ian Clarke
XSL is a pretty ugly and confusing way to do anything IMHO, I used it as 
a web templating language for a while and it was a nightmare.  In short 
- its best avoided.

Ian.

Zlatin Balevsky wrote:
Can anyone familiar with xsl list the differences between filtering html 
for anonimity-compromising content and filtering xsl transformations?  
If an xml file is filtered agains the current rules (no off-freenet 
links, no actions) and its corresponding xsl is made sure not to contain 
any such transformations will there be any additional issues freenet 
users should be concerned about?

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Re: [freenet-dev] xsl in fproxy

2003-10-24 Thread Some Guy
 --- Zlatin Balevsky [EMAIL PROTECTED] wrote: 
 Can anyone familiar with xsl list the differences between filtering html 
 for anonimity-compromising content and filtering xsl transformations?  
 If an xml file is filtered agains the current rules (no off-freenet 
 links, no actions) and its corresponding xsl is made sure not to contain 
 any such transformations will there be any additional issues freenet 
 users should be concerned about?

I've used a bit of XSLT.  Yes there is definately a security problem here, because 
XSLT let's you
make varibles and perform string operations.  It's just like any program--there's no 
general way
to tell what the result will be except for running it (like Turing Machines).

The only real solution I see is getting fred an XSLT processor and running the XML 
through it. 
You could then give the HTML to the browser.  Short of that you could test the HTML 
for anything
bad and let the browser do the process again.

Do we really need XSLT?

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[freenet-dev] xsl in fproxy

2003-10-23 Thread Zlatin Balevsky
Can anyone familiar with xsl list the differences between filtering html 
for anonimity-compromising content and filtering xsl transformations?  
If an xml file is filtered agains the current rules (no off-freenet 
links, no actions) and its corresponding xsl is made sure not to contain 
any such transformations will there be any additional issues freenet 
users should be concerned about?

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