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Dir : ~/usr/share/perl5/vendor_perl/Razor2/Client/

Edit File: Engine.pm

package Razor2::Client::Engine;

use strict;
use Data::Dumper;
use Razor2::Signature::Ephemeral;
use Razor2::Engine::VR8;
use Razor2::Preproc::Manager;
use Razor2::String qw(hextobase64 makesis debugobj);

# meant to be inherited
#
sub new {
    return {};
}

sub supported_engines {

my @a = qw( 4 8 );

my $hr = {};
    foreach (@a) { $hr->{$_} = 1; }

return wantarray ? @a : $hr;
}

sub compute_engine {
    my ($self, $engine, @params) = @_;

return $self->vr4_signature(@params) if $engine == 4;
    return $self->vr8_signature(@params) if $engine == 8;

$self->log (1,"engine $engine not supported");
    return;
}

#
# The following *_signature subroutines should be
# the same as the ones on the server 
#

#
# VR4 Engine - Ephemereal signatures of decoded body content
#
sub vr4_signature { 
    my ($self, $text, $ep4) = @_;
    my ($seed, $separator) = split /-/, $ep4, 2;

return $self->log(1,"vr4_signature: Bad ep4: $ep4") unless ($seed && $separator);

my $ehash = new Razor2::Signature::Ephemeral (seed => $seed, separator => $separator);
    my $digest = $ehash->hexdigest($$text);

my $sig = hextobase64($digest);
    $self->log (11,"engine 4 computing on ". length($$text) .", sig=$sig");
    return $sig;
}

sub vr8_signature { 
    my ($self, $text) = @_;
    my $vr8 = Razor2::Engine::VR8->new();

my $sigs = $vr8->signature($text);
    
    return $sigs;
}

1;