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* [PATCH 5/6] www: validate and check filenames in URLs
  @ 2016-05-19 21:28  7%   ` Eric Wong
  0 siblings, 0 replies; 1+ results
From: Eric Wong @ 2016-05-19 21:28 UTC (permalink / raw)
  To: meta

We shall ensure links continue working for this.
---
 lib/PublicInbox/View.pm |  2 +-
 lib/PublicInbox/WWW.pm  |  2 +-
 t/psgi_attach.t         | 16 +++++++++++-----
 3 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index 326da4c..2303a1f 100644
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -262,7 +262,7 @@ sub attach_link ($$$$) {
 	$desc = '' unless defined $desc;
 	$desc = ': '.$desc if $desc;
 	my $sfn;
-	if (defined $fn && $fn =~ /\A[\w-]+\.[a-z0-9]+\z/) {
+	if (defined $fn && $fn =~ /\A[\w\.-]+[a-zA-Z0-9]\z/) {
 		$sfn = $fn;
 	} elsif ($ct eq 'text/plain') {
 		$sfn = 'a.txt';
diff --git a/lib/PublicInbox/WWW.pm b/lib/PublicInbox/WWW.pm
index f87f417..10c2e7c 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-z0-9]+)!i;
+our $ATTACH_RE = qr!(\d[\.\d]*)-([\w\.-]+[a-zA-Z0-9])!i;
 
 sub new {
 	my ($class, $pi_config) = @_;
diff --git a/t/psgi_attach.t b/t/psgi_attach.t
index 535cd21..43018e8 100644
--- a/t/psgi_attach.t
+++ b/t/psgi_attach.t
@@ -53,7 +53,7 @@ my $im = PublicInbox::Import->new($git, 'test', $addr);
 			body => $b64),
 		Email::MIME->create(
 			attributes => {
-				filename => 'noop',
+				filename => 'noop.txt',
 				content_type => 'text/plain',
 			},
 			body => $txt),
@@ -73,8 +73,13 @@ my $im = PublicInbox::Import->new($git, 'test', $addr);
 	test_psgi(sub { $www->call(@_) }, sub {
 		my ($cb) = @_;
 		my $res;
+		$res = $cb->(GET('/test/Z%40B/'));
+		my @href = ($res->content =~ /^href="([^"]+)"/gms);
+		@href = grep(/\A[\d\.]+-/, @href);
+		is_deeply([qw(1-queue-pee 2-bayce-sixty-four 3-noop.txt)],
+			\@href, 'attachment links generated');
 
-		$res = $cb->(GET('/test/Z%40B/1-a.txt'));
+		$res = $cb->(GET('/test/Z%40B/1-queue-pee'));
 		my $qp_res = $res->content;
 		ok(length($qp_res) >= length($qp), 'QP length is close');
 		like($qp_res, qr/\n\z/s, 'trailing newline exists');
@@ -82,13 +87,14 @@ my $im = PublicInbox::Import->new($git, 'test', $addr);
 		$qp_res =~ s/\r\n/\n/g;
 		is(index($qp_res, $qp), 0, 'QP trailing newline is there');
 
-		$res = $cb->(GET('/test/Z%40B/2-a.txt'));
+		$res = $cb->(GET('/test/Z%40B/2-base-sixty-four'));
 		is(quotemeta($res->content), quotemeta($b64),
 			'Base64 matches exactly');
 
-		$res = $cb->(GET('/test/Z%40B/3-a.txt'));
+		$res = $cb->(GET('/test/Z%40B/3-noop.txt'));
 		my $txt_res = $res->content;
-		ok(length($txt_res) >= length($txt), 'plain text almost matches');
+		ok(length($txt_res) >= length($txt),
+			'plain text almost matches');
 		like($txt_res, qr/\n\z/s, 'trailing newline exists in text');
 		is(index($txt_res, $txt), 0, 'plain text not truncated');
 	});
-- 
EW


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-- links below jump to the message on this page --
2016-05-19 21:25     [PATCH 1/7] view: rely on Email::MIME::body_str for decoding Eric Wong
2016-05-19 21:28     ` [PATCH 1/6] msg_iter: new internal API for iterating through MIME Eric Wong
2016-05-19 21:28  7%   ` [PATCH 5/6] www: validate and check filenames in URLs Eric Wong

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