* [PATCH] nntp: ensure Message-ID is not folded for leafnode
@ 2019-06-13 20:46 14% ` Eric Wong
0 siblings, 0 replies; 1+ results
From: Eric Wong @ 2019-06-13 20:46 UTC (permalink / raw)
To: Dave Taht; +Cc: meta
Dave Taht <dave@taht.net> wrote:
> Eric Wong <e@80x24.org> writes:
> > However, I've also noticed leafnode (finally tried it) also
> > fails if a Message-ID is too long and spans multiple lines
> > (those were from outlook.com, go figure).
>
> Thanks! Is there a way to reformat that?
Yeah, this seems to work:
-----------8<------------
Subject: [PATCH] nntp: ensure Message-ID is not folded for leafnode
Leafnode cannot handle Message-ID headers which are too long and
require folding via Email::Simple::Header. Since there are
already many of these messages in git with the header already
folded, we need to handle the unfolding when emitting the
message via NNTP.
As far as we know, Leafnode is the only client software
incapable of handling this case.
---
lib/PublicInbox/NNTP.pm | 7 +++++++
t/nntpd.t | 20 ++++++++++++++++++++
2 files changed, 27 insertions(+)
diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm
index 1d07220..d409e78 100644
--- a/lib/PublicInbox/NNTP.pm
+++ b/lib/PublicInbox/NNTP.pm
@@ -519,6 +519,13 @@ sub _header ($) {
my $hdr = $_[0]->header_obj->as_string;
utf8::encode($hdr);
$hdr =~ s/(?<!\r)\n/\r\n/sg;
+
+ # for leafnode compatibility, we need to ensure Message-ID headers
+ # are only a single line. We can't subclass Email::Simple::Header
+ # and override _default_fold_at in here, either; since that won't
+ # affect messages already in the archive.
+ $hdr =~ s/^(Message-ID:)[ \t]*\r\n[ \t]+([^\r]+)\r\n/$1 $2\r\n/igsm;
+
$hdr
}
diff --git a/t/nntpd.t b/t/nntpd.t
index c73cc12..cce21ee 100644
--- a/t/nntpd.t
+++ b/t/nntpd.t
@@ -231,6 +231,26 @@ EOF
ok($date >= $t0, 'valid date after start');
ok($date <= $t1, 'valid date before stop');
}
+ if ('leafnode interop') {
+ my $for_leafnode = PublicInbox::MIME->new(<<"");
+From: longheader\@example.com
+To: $addr
+Subject: none
+Date: Fri, 02 Oct 1993 00:00:00 +0000
+
+ my $long_hdr = 'for-leafnode-'.('y'x200).'@example.com';
+ $for_leafnode->header_set('Message-ID', "<$long_hdr>");
+ $im->add($for_leafnode);
+ $im->done;
+ if ($version == 1) {
+ my $s = PublicInbox::SearchIdx->new($mainrepo, 1);
+ $s->index_sync;
+ }
+ my $hdr = $n->head("<$long_hdr>");
+ my $expect = qr/\AMessage-ID: /i . qr/\Q<$long_hdr>\E/;
+ ok(scalar(grep(/$expect/, @$hdr)), 'Message-ID not folded');
+ ok(scalar(grep(/^Path:/, @$hdr)), 'Path: header found');
+ }
# pipelined requests:
{
--
EW
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2018-10-17 16:28 interop with leafnode Dave Taht
2019-06-13 7:00 ` Eric Wong
2019-06-13 17:52 ` Dave Taht
2019-06-13 20:46 14% ` [PATCH] nntp: ensure Message-ID is not folded for leafnode Eric Wong
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