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author | Eric Wong <e@80x24.org> | 2019-06-04 02:04:28 +0000 |
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committer | Eric Wong <e@80x24.org> | 2019-06-04 10:06:18 +0000 |
commit | c5621af43e9c7cb1ff0565aa61a1d8fced55a23b (patch) | |
tree | 33bfcd44d136a3bd15869ce16229581574a8e6d9 /lib/PublicInbox/Hval.pm | |
parent | f8c8ca04d47620d390092000ca09aab071442fac (diff) | |
download | public-inbox-c5621af43e9c7cb1ff0565aa61a1d8fced55a23b.tar.gz |
We don't want to emit funky URLs which can be lost in translation or cause problems with non-Unicode-aware clients. Then, don't accept non-ASCII filenames in URLs, since a manually-generated URL/filename in attachment downloads could be used for Unicode homographs to confuse folks who down the attachment.
Diffstat (limited to 'lib/PublicInbox/Hval.pm')
-rw-r--r-- | lib/PublicInbox/Hval.pm | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/PublicInbox/Hval.pm b/lib/PublicInbox/Hval.pm index 95a0f709..2b443970 100644 --- a/lib/PublicInbox/Hval.pm +++ b/lib/PublicInbox/Hval.pm @@ -13,6 +13,9 @@ our @EXPORT_OK = qw/ascii_html obfuscate_addrs to_filename src_escape to_attr from_attr/; my $enc_ascii = find_encoding('us-ascii'); +# safe-ish acceptable filename pattern for portability +our $FN = '[a-zA-Z0-9][a-zA-Z0-9_\-\.]+[a-zA-Z0-9]'; # needs \z anchor + sub new { my ($class, $raw, $href) = @_; |