X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FContentHash.pm;h=d3ff146aa96e91ef3ada23c29689de0a33f6b2e0;hb=e6aa13bccb7ea5d5b3246b3a944621515905e360;hp=bacc9cdda12498abbb0ada5d2a2e2faec10190f2;hpb=f28fdcd6d8d6ac36c7b6adf6670238426f3cc067;p=public-inbox.git
diff --git a/lib/PublicInbox/ContentHash.pm b/lib/PublicInbox/ContentHash.pm
index bacc9cdd..d3ff146a 100644
--- a/lib/PublicInbox/ContentHash.pm
+++ b/lib/PublicInbox/ContentHash.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2018-2021 all contributors
+# Copyright (C) all contributors
# License: AGPL-3.0+
# Unstable internal API.
@@ -15,7 +15,8 @@ use PublicInbox::MID qw(mids references);
use PublicInbox::MsgIter;
# not sure if less-widely supported hash families are worth bothering with
-use Digest::SHA;
+use PublicInbox::SHA; # faster, but no ->clone
+use Digest::SHA; # we still need this for ->clone
sub digest_addr ($$$) {
my ($dig, $h, $v) = @_;
@@ -63,8 +64,9 @@ sub content_digest ($;$) {
# do NOT consider the Message-ID as part of the content_hash
# if we got here, we've already got Message-ID reuse
my %seen = map { $_ => 1 } @{mids($eml)};
- foreach my $mid (@{references($eml)}) {
- $dig->add("ref\0$mid\0") unless $seen{$mid}++;
+ for (grep { !$seen{$_}++ } @{references($eml)}) {
+ utf8::encode($_);
+ $dig->add("ref\0$_\0");
}
# Only use Sender: if From is not present
@@ -92,15 +94,15 @@ sub content_digest ($;$) {
}
sub content_hash ($) {
- content_digest($_[0])->digest;
+ content_digest($_[0], PublicInbox::SHA->new(256))->digest;
}
+# don't clone the result of this
sub git_sha ($$) {
my ($n, $eml) = @_;
- my $dig = Digest::SHA->new($n);
+ my $dig = PublicInbox::SHA->new($n);
my $bref = ref($eml) eq 'SCALAR' ? $eml : \($eml->as_string);
- $dig->add('blob '.length($$bref)."\0");
- $dig->add($$bref);
+ $dig->add('blob '.length($$bref)."\0", $$bref);
$dig;
}