diff options
Diffstat (limited to 'lib/PublicInbox/Linkify.pm')
| -rw-r--r-- | lib/PublicInbox/Linkify.pm | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/PublicInbox/Linkify.pm b/lib/PublicInbox/Linkify.pm index 175f8d72..5b83742c 100644 --- a/lib/PublicInbox/Linkify.pm +++ b/lib/PublicInbox/Linkify.pm @@ -89,4 +89,33 @@ sub linkify_2 { $_[1]; } +# single pass linkification of <Message-ID@example.com> within $str +# with $pfx being the URL prefix +sub linkify_mids { + my ($self, $pfx, $str) = @_; + $$str =~ s!<([^>]+)>! + my $msgid = PublicInbox::Hval->new_msgid($1); + my $html = $msgid->as_html; + my $href = $msgid->{href}; + $href = ascii_html($href); # for IDN + + # salt this, as this could be exploited to show + # links in the HTML which don't show up in the raw mail. + my $key = sha1_hex($html . $SALT); + $self->{$key} = [ $href, $html ]; + '<PI-LINK-'. $key . '>'; + !ge; + $$str = ascii_html($$str); + $$str =~ s!\bPI-LINK-([a-f0-9]{40})\b! + my $key = $1; + my $repl = $_[0]->{$key}; + if (defined $repl) { + "<a\nhref=\"$pfx/$repl->[0]/\">$repl->[1]</a>"; + } else { + # false positive or somebody tried to mess with us + $key; + } + !ge; +} + 1; |