Re: ErrorDocument and Header always set ... env=

On Wed, Jan 8, 2025 at 7:41 PM Eric Covener <[email protected]> wrote:
>
> On Wed, Jan 8, 2025 at 1:27 PM Rainer Canavan
> <[email protected]> wrote:
> >
> > Hi,
> >
> > I'd like to short-circuit certain requests that contain no session
> > cookie with a HTTP 403, an ErrorDocument and a few response headers.
> >
> > The following almost works:
> >
> > RewriteCond %{REQUEST_METHOD} !OPTIONS
> > RewriteCond %{HTTP_COOKIE} !session=
> > RewriteRule ^/foo - [E=FOO:FOO,R=403,L]
> >
> > Header always set X-Foo "test1" env=FOO
> > Header always set X-Bar "test2"
> >
> > ErrorDocument 403 /error403.json
> >
> > However, if the ErrorDocument is used, only X-Bar gets set but not
> > X-Foo. Without an ErrorDocument, both X-Foo and X-Bar get set (when
> > the RewriteCond and -Rule all match). The documentation for
> > mod_headers would lead me to believe that the "always" would be
> > sufficient to also set X-Foo.  Does anyone here have suggestions how
> > to get this whole construct to work, or alternatives to achieve the
> > same effect?
> >
>
> Maybe you need to look at env=REDIRECT_FOO while the errordocument is
> being served?

Hi Eric,

that is indeed the correct solution, FOO gets renamed to REDIRECT_FOO
when an ErrorDocument is served.

So the corrected statement would be:

Header always set X-Foo "test1" env=REDIRECT_FOO

thanks,

Rainer

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