From 65a86d7fbf0f07dbbca2d4c5d9d117c28ed38cc7 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Thu, 1 May 2014 01:56:34 +0000
Subject: purge Email::Address cache

This prevents memory bloat in case we're serving many requests
with a large, diverse set of email addresses (potentially from
malicious spammers).
---
 lib/PublicInbox/Feed.pm | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'lib/PublicInbox/Feed.pm')

diff --git a/lib/PublicInbox/Feed.pm b/lib/PublicInbox/Feed.pm
index d535cea9..6b317ab0 100644
--- a/lib/PublicInbox/Feed.pm
+++ b/lib/PublicInbox/Feed.pm
@@ -43,6 +43,8 @@ sub generate {
 		my ($add) = @_;
 		add_to_feed($feed_opts, $feed, $add, $git);
 	});
+	$git = undef; # destroy pipes
+	Email::Address->purge_cache;
 	$feed->as_string;
 }
 
@@ -68,6 +70,7 @@ sub generate_html_index {
 		push @messages, $mime;
 		1;
 	});
+	$git = undef; # destroy pipes.
 
 	my $th = Mail::Thread->new(@messages);
 	$th->thread;
@@ -85,6 +88,8 @@ sub generate_html_index {
 	});
 	dump_html_line($_, 0, \$html) for $th->rootset;
 
+	Email::Address->purge_cache;
+
 	my $footer = nav_footer($args->{cgi}, $last);
 	$footer = "<hr /><pre>$footer</pre>" if $footer;
 	$html . "</pre>$footer</html>";
-- 
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