Sorry allowing ~ is a bad idea. It may allow directory traversal
attacks.

Massimo

On Jul 29, 2:35 am, Bottiger <bottig...@gmail.com> wrote:
> I was going over Web2Py code, and I noticed that the allowable URLs
> are a bit narrow.
>
> As a reference for URL handling, I am using RFC 
> 3986:http://tools.ietf.org/html/rfc3986
> which is has a summary at Wikipedia 
> here:http://en.wikipedia.org/wiki/Percent-encoding
>
> The default allowable URLs are nearly equivalent to the RFC 3986
> unreserved characters with the exception of the tilde. I think it
> would be reasonable to allow for its inclusion as an argument. Another
> addition would be the inclusion of parenthesis which is used in some
> websites such as Wikipedia:
>
> http://en.wikipedia.org/wiki/Cell_(biology)
>
> Parenthesis are currently listed as "reserved characters" but so far
> there hasn't been any reservations for them. We might try to
> investigate which other characters could be allowed into Web2Py urls,
> but for now here is the patch that allows for tildes and parenthesis.
>
> --- C:\temp\main.py-revBASE.svn000.tmp.py       Wed Jul 29 00:23:10 2009
> +++ C:\web2py\gluon\main.py     Wed Jul 29 00:21:10 2009
> @@ -89,7 +89,7 @@
>                   )?
>                   (                   # (/s)
>                       /(?P<s>         # /a/c/f.e/s=sub
> -                     ( [\w\-][\=\./]? )+
> +                     ( [\w\-~\(\)][\=\./]? )+
>                       )
>                   )?
>               )?
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