-# Copyright (C) 2018-2021 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# Unstable internal API.
sub digest_addr ($$$) {
my ($dig, $h, $v) = @_;
$v =~ tr/"//d;
+ $v =~ tr/\r\n\t / /s;
$v =~ s/@([a-z0-9\_\.\-\(\)]*([A-Z])\S*)/'@'.lc($1)/ge;
utf8::encode($v);
$dig->add("$h\0$v\0");
$dig->add($s);
}
-sub content_digest ($) {
- my ($eml) = @_;
- my $dig = Digest::SHA->new(256);
+sub content_digest ($;$) {
+ my ($eml, $dig) = @_;
+ $dig //= Digest::SHA->new(256);
# References: and In-Reply-To: get used interchangeably
# in some "duplicates" in LKML. We treat them the same
# 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 { $_ => 1 } @{mids($eml)};
- foreach my $mid (@{references($eml)}) {
- $dig->add("ref\0$mid\0") unless $seen{$mid}++;
+ for (grep { !$seen{$_}++ } @{references($eml)}) {
+ utf8::encode($_);
+ $dig->add("ref\0$_\0");
}
# Only use Sender: if From is not present