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From Fred Moyer <f...@redhotpenguin.com>
Subject Re: accessing environment variables set by other modules
Date Tue, 13 Apr 2010 15:34:17 GMT
Correct me if I'm wrong, but don't you need to do this:

PerlPassEnv TE

in your httpd.conf?

On Mon, Apr 12, 2010 at 11:44 AM, Chris Datfung <chris.datfung@gmail.com> wrote:
> I want to use mod-perl to edit server responses under certain conditions. My
> plan was to use various modules, like mod-setenvif and mod-security to set
> an environment variable and then have mod-perl edit the response body only
> run when the environment variable is set. I tried the following test which
> was supposed to append 'TEST' to my index.html page:
> in the virtual host config I have:
>         SetEnvIf Request_URI "\.html$" TE=TEST
>         PerlRequire "/opt/modperl/TE/ST.pm"
>         PerlOutputFilterHandler TE::ST
> the contents of /opt/modperl/TE/ST.pm is:
> ======================================================================
> package TE::ST;
> use strict;
> use warnings;
> use Apache2::Filter ();
> use Apache2::RequestRec ();
> use APR::Table ();
> BEGIN { push @INC, "/opt/modperl/"; }
> use Apache2::Const -compile => qw(OK);
> use constant BUFF_LEN => 1024;
> sub handler
> {
>         my $f = shift;
>         unless ($f->ctx)
>         {
>                 while ($f->read(my $buffer, BUFF_LEN))
>                 {
>                         $buffer =~ s/It/Chris/g;
>                         $buffer .= $ENV{"TE"};
>                         $f->print($buffer);
>                 }
>                 return Apache2::Const::OK;
>         }
> }
> 1;
> ========================================================================
> The script correctly changes the 'It' in the index.html file to 'Chris' but
> I don't see the value of the 'TE' variable in the response body. Can someone
> point me to an example of how modperl can access environment variables set
> by other apache modules?
> Thanks,
> - Chris

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