mda: hoist out List-ID handling and reuse in -learn

[public-inbox.git] / lib / PublicInbox / MDA.pm

diff --git a/lib/PublicInbox/MDA.pm b/lib/PublicInbox/MDA.pm
index d5af8f94081d3ab3f73d7403ca42f035e3f6b7de..ce2c870f89edcd353d263d1c8fed28a0d08ede1f 100644 (file)
--- a/lib/PublicInbox/MDA.pm
+++ b/lib/PublicInbox/MDA.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2013-2018 all contributors <meta@public-inbox.org>
+# Copyright (C) 2013-2019 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 #
 # For the -mda script (mail delivery agent)
@@ -81,8 +81,21 @@ sub set_list_headers {
                $pa =~ tr/@/./; # RFC2919
                $simple->header_set("List-Id", "<$pa>");
        }
+}
+
+# TODO: deal with multiple List-ID headers?
+sub inbox_for_list_id ($$) {
+       my ($klass, $config, $simple) = @_;
 
-       $simple->header_set($_) foreach @BAD_HEADERS;
+       # 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;