[cap-talk] Bespin, Caja, Tahoe

Ben Laurie benl at google.com
Fri Mar 6 09:32:20 EST 2009

On Fri, Mar 6, 2009 at 1:52 PM, Zooko O'Whielacronx <zookog at gmail.com>wrote:

> [Cc: cap-talk, tahoe-dev]
> Folks:
> You might be interested in the Bespin project:
> http://labs.mozilla.com/projects/bespin
> It is a text editor written in JavaScript and relying heavily on the
> "Canvas" element.  One of its goals is to be extensible with
> JavaScript in the way that Emacs is extensible with Lisp.  Therefore,
> it is naturally could benefit from capability-secure JavaScript, so
> that you could use someone's extensions without being entirely
> vulnerable to them.  Also, the members of the cap-talk list have oft
> opined that cap discipline yields less buggy, more re-usable code even
> when you don't care about protecting against the author being
> malicious.

I already suggested this to the Bespin guys, and met with a positive
reception. Of course, step 2 is to actually do the work :-)

> It would also be fun to retarget the Bespin backend from its current
> custom server to a Tahoe grid, similarly to how we have already
> retargetted TiddlyWiki from the local filesystem to Tahoe.  Here's a
> blog entry that I wrote about that idea.  (Note, my blog is actually a
> TiddlyWiki on Tahoe.  :-))
> http://testgrid.allmydata.org:3567/uri/URI:DIR2-RO:j74uhg25nwdpjpacl6rkat2yhm:kav7ijeft5h7r7rxdp5bgtlt3viv32yabqajkrdykozia5544jqa/wiki.html#Bespin%2BTahoe
> Regards,
> Zooko
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