-# Content-* headers are often no-ops, so maybe we don't need them
-my @ID_HEADERS = qw(Subject From Date To Cc);
+sub digest_addr ($$$) {
+ my ($dig, $h, $v) = @_;
+ $v =~ tr/"//d;
+ $v =~ s/@([a-z0-9\_\.\-\(\)]*([A-Z])\S*)/'@'.lc($1)/ge;
+ utf8::encode($v);
+ $dig->add("$h\0$v\0");
+}
+
+sub content_dig_i {
+ my ($dig) = $_[1];
+ my ($part, $depth, @idx) = @{$_[0]};
+ $dig->add("\0$depth:".join('.', @idx)."\0");
+ my $fn = $part->filename;
+ if (defined $fn) {
+ utf8::encode($fn);
+ $dig->add("fn\0$fn\0");
+ }
+ my @d = $part->header('Content-Description');
+ foreach my $d (@d) {
+ utf8::encode($d);
+ $dig->add("d\0$d\0");
+ }
+ $dig->add("b\0");
+ my $ct = $part->content_type || 'text/plain';
+ my ($s, undef) = msg_part_text($part, $ct);
+ if (defined $s) {
+ $s =~ s/\r\n/\n/gs;
+ $s =~ s/\s*\z//s;
+ utf8::encode($s);
+ } else {
+ $s = $part->body;
+ }
+ $dig->add($s);
+}