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-rw-r--r--lib/PublicInbox/WWW.pm23
1 files changed, 9 insertions, 14 deletions
diff --git a/lib/PublicInbox/WWW.pm b/lib/PublicInbox/WWW.pm
index 7bd29732..24e24f1e 100644
--- a/lib/PublicInbox/WWW.pm
+++ b/lib/PublicInbox/WWW.pm
@@ -169,14 +169,15 @@ sub invalid_inbox_mid {
         return $ret if $ret;
 
         $ctx->{mid} = $mid;
-        if ($mid =~ /\A[a-f0-9]{40}\z/) {
-                # this is horiffically wasteful for legacy URLs:
-                if ($mid = mid2blob($ctx)) {
-                        require Email::Simple;
-                        use PublicInbox::MID qw/mid_clean/;
-                        my $s = Email::Simple->new($mid);
-                        $ctx->{mid} = mid_clean($s->header('Message-ID'));
-                }
+        my $ibx = $ctx->{-inbox};
+        if ($mid =~ m!\A([a-f0-9]{2})([a-f0-9]{38})\z!) {
+                my ($x2, $x38) = ($1, $2);
+                # this is horrifically wasteful for legacy URLs:
+                my $str = $ctx->{-inbox}->msg_by_path("$x2/$x38") or return;
+                require Email::Simple;
+                my $s = Email::Simple->new($str);
+                $mid = PublicInbox::MID::mid_clean($s->header('Message-ID'));
+                return r301($ctx, $inbox, $mid);
         }
         undef;
 }
@@ -208,12 +209,6 @@ sub get_index {
         }
 }
 
-# just returns a string ref for the blob in the current ctx
-sub mid2blob {
-        my ($ctx) = @_;
-        $ctx->{-inbox}->msg_by_mid($ctx->{mid});
-}
-
 # /$INBOX/$MESSAGE_ID/raw                    -> raw mbox
 sub get_mid_txt {
         my ($ctx) = @_;