}
sub content_digest ($) {
- my ($mime) = @_;
+ my ($eml) = @_;
my $dig = Digest::SHA->new(256);
- my $hdr = $mime->header_obj;
# References: and In-Reply-To: get used interchangeably
# in some "duplicates" in LKML. We treat them the same
# in SearchIdx, so treat them the same for this:
# do NOT consider the Message-ID as part of the content_hash
# if we got here, we've already got Message-ID reuse
- my %seen = map { $_ => 1 } @{mids($hdr)};
- foreach my $mid (@{references($hdr)}) {
+ my %seen = map { $_ => 1 } @{mids($eml)};
+ foreach my $mid (@{references($eml)}) {
$dig->add("ref\0$mid\0") unless $seen{$mid}++;
}
# Only use Sender: if From is not present
foreach my $h (qw(From Sender)) {
- my @v = $hdr->header($h);
+ my @v = $eml->header($h);
if (@v) {
digest_addr($dig, $h, $_) foreach @v;
}
}
foreach my $h (qw(Subject Date)) {
- my @v = $hdr->header($h);
+ my @v = $eml->header($h);
foreach my $v (@v) {
utf8::encode($v);
$dig->add("$h\0$v\0");
# not in the original message. For the purposes of deduplication,
# do not take it into account:
foreach my $h (qw(To Cc)) {
- my @v = $hdr->header($h);
+ my @v = $eml->header($h);
digest_addr($dig, $h, $_) foreach @v;
}
- msg_iter($mime, \&content_dig_i, $dig);
+ msg_iter($eml, \&content_dig_i, $dig);
$dig;
}