-# Copyright (C) 2014-2019 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# two-step linkification.
# Maybe this could be done more efficiently...
package PublicInbox::Linkify;
use strict;
-use warnings;
-use Digest::SHA qw/sha1_hex/;
-use PublicInbox::Hval qw(ascii_html);
+use v5.10.1;
+use PublicInbox::SHA qw(sha1_hex);
+use PublicInbox::Hval qw(ascii_html mid_href);
+use PublicInbox::MID qw($MID_EXTRACT);
my $SALT = rand;
-my $LINK_RE = qr{([\('!])?\b((?:ftps?|https?|nntps?|gopher)://
+my $LINK_RE = qr{([\('!])?\b((?:ftps?|https?|nntps?|imaps?|s?news|gopher)://
[\@:\w\.-]+(?:/
(?:[a-z0-9\-\._~!\$\&\';\(\)\*\+,;=:@/%]*)
(?:\?[a-z0-9\-\._~!\$\&\';\(\)\*\+,;=:@/%]+)?
# salt this, as this could be exploited to show
# links in the HTML which don't show up in the raw mail.
my $key = sha1_hex($url . $SALT);
-
+ $key =~ tr/0-9/A-J/; # no digits for YAML highlight
$_[0]->{$key} = $url;
- $beg . 'PI-LINK-'. $key . $end;
- ^ge;
+ $beg . 'LINKIFY' . $key . $end;
+ ^geo;
$_[1];
}
sub linkify_2 {
- # Added "PI-LINK-" prefix to avoid false-positives on git commits
- $_[1] =~ s!\bPI-LINK-([a-f0-9]{40})\b!
+ # Added "LINKIFY" prefix to avoid false-positives on git commits
+ $_[1] =~ s!\bLINKIFY([a-fA-J]{40})\b!
my $key = $1;
my $url = $_[0]->{$key};
if (defined $url) {
"<a\nhref=\"$url\">$url</a>";
- } else {
- # false positive or somebody tried to mess with us
- $key;
+ } else { # false positive or somebody tried to mess with us
+ 'LINKIFY'.$key;
}
!ge;
$_[1];
# with $pfx being the URL prefix
sub linkify_mids {
my ($self, $pfx, $str, $raw) = @_;
- $$str =~ s!<([^>]+)>!
- my $msgid = PublicInbox::Hval->new_msgid($1);
- my $html = $msgid->as_html;
- my $href = $msgid->{href};
- $href = ascii_html($href); # for IDN
+ $$str =~ s!$MID_EXTRACT!
+ my $mid = $1;
+ my $html = ascii_html($mid);
+ my $href = mid_href($mid);
# 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);
+ $key =~ tr/0-9/A-J/;
my $repl = qq(<<a\nhref="$pfx/$href/">$html</a>>);
$repl .= qq{ (<a\nhref="$pfx/$href/raw">raw</a>)} if $raw;
$self->{$key} = $repl;
- 'PI-LINK-'. $key;
+ 'LINKIFY'.$key;
!ge;
$$str = ascii_html($$str);
- $$str =~ s!\bPI-LINK-([a-f0-9]{40})\b!
+ $$str =~ s!\bLINKIFY([a-fA-J]{40})\b!
my $key = $1;
my $repl = $_[0]->{$key};
if (defined $repl) {
$repl;
- } else {
- # false positive or somebody tried to mess with us
- $key;
+ } else { # false positive or somebody tried to mess with us
+ 'LINKIFY'.$key;
}
!ge;
}
+sub to_html { linkify_2($_[0], ascii_html(linkify_1(@_))) }
+
1;