+sub WillSignEncrypt {
+ my %args = @_;
+ my $attachment = delete $args{Attachment};
+ my $ticket = delete $args{Ticket};
+
+ if ( not RT->Config->Get('GnuPG')->{'Enable'} ) {
+ $args{Sign} = $args{Encrypt} = 0;
+ return wantarray ? %args : 0;
+ }
+
+ for my $argument ( qw(Sign Encrypt) ) {
+ next if defined $args{ $argument };
+
+ if ( $attachment and defined $attachment->GetHeader("X-RT-$argument") ) {
+ $args{$argument} = $attachment->GetHeader("X-RT-$argument");
+ } elsif ( $ticket and $argument eq "Encrypt" ) {
+ $args{Encrypt} = $ticket->QueueObj->Encrypt();
+ } elsif ( $ticket and $argument eq "Sign" ) {
+ # Note that $queue->Sign is UI-only, and that all
+ # UI-generated messages explicitly set the X-RT-Crypt header
+ # to 0 or 1; thus this path is only taken for messages
+ # generated _not_ via the web UI.
+ $args{Sign} = $ticket->QueueObj->SignAuto();
+ }
+ }
+
+ return wantarray ? %args : ($args{Sign} || $args{Encrypt});
+}
+