[HTTPS-Everywhere] What does "([^/:@\.]+)\" and "$1" do?

[Colonel Graff]

On Wed, Aug 17, 2011 at 8:39 AM, Victor Garin <vic.garin at gmail.com> wrote:

> You mean like this:
>
> <ruleset name="FaxZero">
>  <target host="faxzero.com" />
>  <target host="*.faxzero.com" />
>  <rule from="^http://([^/:@\.]+\.)*.faxzero\.com/"
> to="https://$1.faxzero.com/"/>
> </ruleset>
>
> Try
<rule from="^http://([^/:@\.]+\.)*faxzero\.com/" to="https://$1.faxzero.com"
/>

> The above rule still does not work.
>
> Also, now the green check box does show up in HTTPS Everywhere when I
> go to faxzero.com.
>
> ---------------
>
> Also why do most of the rules have this: "(www\.)?"


> What does "(www\.)?" do?
>
This allows you to go to both google.com and www.google.com and either way
find yourself at encrypted.google.com (which is HTTPS).
The ? says that the preceding item should be matched 0 or 1 times.


>
> Removing the www from all the rulesets will still work right?
>
> Not when you type in www.google.com

>
>
> On Tue, Aug 16, 2011 at 4:23 PM, Andrew Sillers <apsillers at gmail.com>
> wrote:
> > Whoops, my mistake -- thanks for the correction.  Also, it doesn't match
> > unlimited subdomains, as I suggested earlier; it matches just one.  To
> catch
> > arbitrarily many subdomains in a hostname, using a "*" instead of a "?"
> > should do the trick: ([^/:@\.]+\.)*
> >
> > Andrew
> >
> > On Tue, Aug 16, 2011 at 4:46 PM, Peter Eckersley <pde at eff.org> wrote:
> >>
> >> On Tue, Aug 16, 2011 at 04:38:45PM -0400, Andrew Sillers wrote:
> >> > Victor,
> >> >
> >> > Try removing the "\." before "faxzero" and adding a question mark in
> its
> >> > place: ([^/:@\.]+)?
> >>
> >> Don't remove the "\." -- instead put it inside the parentheses.  If you
> >> have a
> >> subdomain, you want the dot.
> >>
> >> >
> >> > Similarly, eliminate the "\." before "faxzero" in the "to" part of the
> >> > rule.
> >> >
> >> > Right now, your rule requires something to precede the main domain;
> the
> >> > question mark will make a subdomain optional.  (Specifically,
> >> > ([^/:@\.]+)
> >> > grabs all subdommains and excludes authentication credentials, which
> use
> >> > "@"
> >> > and ":".)
> >> >
> >> > The $1 is a regular expression backreference (
> >> > http://www.regular-expressions.info/brackets.html), which is used to
> >> > represent the first parenthesized clause in the "from" regex -- in
> this
> >> > case, all the subdomains, grabbed by ([^/:@\.]+).
> >> >
> >> > Andrew
> >> >
> >> > On Tue, Aug 16, 2011 at 4:19 PM, Victor Garin <vic.garin at gmail.com>
> >> > wrote:
> >> >
> >> > > When I started, I used the below rule as an example, because it used
> >> > > to encrypt all the subdomains:
> >> > >
> >> > > <ruleset name="Netflix">
> >> > >  <target host="netflix.com" />
> >> > >  <target host="*.netflix.com" />
> >> > >  <rule from="^http://([^/:@\.]+)\.netflix\.com/" to="https://$
> >> > > 1.netflix.com/"/>
> >> > > </ruleset>
> >> > >
> >> > > I assumed it also encrypted the main domain, but that doesn't seem
> to
> >> > > be the case for example here:
> >> > >
> >> > > <ruleset name="FaxZero">
> >> > >  <target host="faxzero.com" />
> >> > >  <target host="*.faxzero.com" />
> >> > >  <rule from="^http://([^/:@\.]+)\.faxzero\.com/" to="https://$
> >> > > 1.faxzero.com/"/>
> >> > > </ruleset>
> >> > >
> >> > >
> >> > > i.e. browsing to http://faxzero.com does nothing?
> >> > >
> >> > > What does "([^/:@\.]+)\" and "$1" do?
> >> > >
> >> > > Is there a way, to write in the same line, to redirect the main
> domain
> >> > > to https also? Or does the main domain rule, have to be in a new
> line?
> >> > > _______________________________________________
> >> > > HTTPS-everywhere mailing list
> >> > > HTTPS-everywhere at mail1.eff.org
> >> > > https://mail1.eff.org/mailman/listinfo/https-everywhere
> >> > >
> >>
> >> > _______________________________________________
> >> > HTTPS-everywhere mailing list
> >> > HTTPS-everywhere at mail1.eff.org
> >> > https://mail1.eff.org/mailman/listinfo/https-everywhere
> >>
> >>
> >> --
> >> Peter Eckersley                            pde at eff.org
> >> Technology Projects Director      Tel  +1 415 436 9333 x131
> >> Electronic Frontier Foundation    Fax  +1 415 436 9993
> >
> >
> _______________________________________________
> HTTPS-everywhere mailing list
> HTTPS-everywhere at mail1.eff.org
> https://mail1.eff.org/mailman/listinfo/https-everywhere
>
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