[ic] Usertag encrypt

Ed LaFrance edl@newmediaems.com
Fri, 23 Mar 2001 16:24:35 -0800

Here is another goodie for the community -

Usertag encrypt - for the encryption of arbitrary data within Interchange 
catalog pages, for emailing, database storage, etc.  Just think of all the 
fun you could have, playing secret agent man :-)

- Ed L.

P.S. Best installed at the server level.  Might work at the catalog level 
if the catalog in question is listed in AllowGlobal in interchange.cfg, but 
I have not tried it.

# UserTag encrypt - see documentation for more information
# Copyright 2001 by Ed LaFrance <edl@newmediaems.com>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Free
# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA  02111-1307  USA.

Usertag encrypt Order cmd
Usertag encrypt HasEndTag 1
Usertag encrypt Interpolate 1
Usertag encryp  Documentation <<EOD

usage: [encrypt cmd='/usr/bin/encryptprog -opts key'*]Stuff to 

* = optional parameter

Allows the encryption of arbitrary data.  The [encrypt][/encrypt] pair can
be surrounded with [seti name][/seti] to store the results in a scratch 
written to a database field, emailed etc. The cmd parameter is optional and
can be used to specify a encryption command specifically for use with this tag;
otherwise the value from the EncryptProgram or PGP catalog directives will
be used.

Usertag encrypt Routine <<EOR
sub {
         my ($cmd, $body) = @_;
         return 'Need something to encrypt!' unless $body;
         $cmd = $Config->{EncryptProgram} || $Vend::Cfg->{PGP} unless $cmd;
         return 'No encryption command found!' unless $cmd;
         my $name = $Tag->data('session', 'id');
         my $fpre = $Vend::Cfg->{ScratchDir} . "/pgp.$name";
         open(PGP, "|$cmd >$fpre.out 2>$fpre.err")
         or die "Couldn't fork: $!";
         print PGP $body;
         close PGP;
         if($?) {
                 my $err = Vend::Util::readfile("$fpre.err");
                 return '<b>Encrypt failed:</b><br>' .  $err;
         $body = Vend::Util::readfile("$fpre.out");
         unlink "$fpre.out";
         unlink "$fpre.err";
         return $body;

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