From d6cdb106f27abed5d05da035c95e106939fbe3b2 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Thu, 19 May 2016 22:02:56 +0000
Subject: www: tighten up allowable filenames for attachments

Having a file start with '.' or '-' can be confusing
and for users, so do not allow it.
---
 lib/PublicInbox/WWW.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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

diff --git a/lib/PublicInbox/WWW.pm b/lib/PublicInbox/WWW.pm
index 10c2e7ca..5b4d6c18 100644
--- a/lib/PublicInbox/WWW.pm
+++ b/lib/PublicInbox/WWW.pm
@@ -23,7 +23,7 @@ use PublicInbox::GitHTTPBackend;
 our $INBOX_RE = qr!\A/([\w\.\-]+)!;
 our $MID_RE = qr!([^/]+)!;
 our $END_RE = qr!(T/|t/|R/|t\.mbox(?:\.gz)?|t\.atom|raw|)!;
-our $ATTACH_RE = qr!(\d[\.\d]*)-([\w\.-]+[a-zA-Z0-9])!i;
+our $ATTACH_RE = qr!(\d[\.\d]*)-([[:alnum:]][\w\.-]+[[:alnum:]])!i;
 
 sub new {
 	my ($class, $pi_config) = @_;
-- 
cgit v1.2.3-24-ge0c7