[ic] URL encoding bug in Vend::Interpolate::esc
Stefan Hornburg (Racke)
racke at linuxia.de
Sun May 16 14:34:29 UTC 2010
On 05/16/2010 08:42 AM, Rok Ruzic wrote:
> I have run across a bug in our URL encoding code, i actually found it
> because it escaped more then it had to, but looking at it i saw that
> it's broken both ways.
> It uses this match regex for substitution: \W
> Thus was probably OK 15 years ago, but now that we are trying to
> support uft8, \W will also let all the wide characters in.
> So i suggest we narrow this to the old ascii [^a-zA-Z0-9_]
> While we're at it, we might also *not* escape the characters
> Berners-Lee put in his alphanum2 character set, i.e. [\-_.+] and if you
> guys agree, i would also add the stuff he put in his "safe" class, i.e.
> [\$\@\&]. See http://www.w3.org/Addressing/URL/url-spec.txt for details.
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