From d1525c3b35e9aa1bb14143996a7fa2b6e34cba3e Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Mon, 28 Oct 2019 10:45:20 +0000
Subject: mda: hoist out List-ID handling and reuse in -learn

It's now possible to inject false-positive ham into an inbox
the same way -mda does via List-ID.
---
 lib/PublicInbox/MDA.pm | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'lib')

diff --git a/lib/PublicInbox/MDA.pm b/lib/PublicInbox/MDA.pm
index 9cafda13..ce2c870f 100644
--- a/lib/PublicInbox/MDA.pm
+++ b/lib/PublicInbox/MDA.pm
@@ -83,4 +83,19 @@ sub set_list_headers {
 	}
 }
 
+# TODO: deal with multiple List-ID headers?
+sub inbox_for_list_id ($$) {
+	my ($klass, $config, $simple) = @_;
+
+	# newer Email::Simple allows header_raw, as does Email::MIME:
+	my $list_id = $simple->can('header_raw') ?
+			$simple->header_raw('List-Id') :
+			$simple->header('List-Id');
+	my $ibx;
+	if (defined $list_id && $list_id =~ /<[ \t]*(.+)?[ \t]*>/) {
+		$ibx = $config->lookup_list_id($1);
+	}
+	$ibx;
+}
+
 1;
-- 
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