X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FLinkify.pm;h=5b83742c14b36ace1e62790b20d417e0971dbc87;hb=2394cb0bdc671605729b5a4c578ef4cd3b9813fd;hp=84960a98889fd4c53cc68aa5fce72eac1094084f;hpb=e56b908c0e97c2f479b350dfb0868bc463413b89;p=public-inbox.git
diff --git a/lib/PublicInbox/Linkify.pm b/lib/PublicInbox/Linkify.pm
index 84960a98..5b83742c 100644
--- a/lib/PublicInbox/Linkify.pm
+++ b/lib/PublicInbox/Linkify.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2014-2018 all contributors
+# Copyright (C) 2014-2019 all contributors
# License: AGPL-3.0+
# two-step linkification.
@@ -89,4 +89,33 @@ sub linkify_2 {
$_[1];
}
+# single pass linkification of within $str
+# with $pfx being the URL prefix
+sub linkify_mids {
+ my ($self, $pfx, $str) = @_;
+ $$str =~ s!<([^>]+)>!
+ my $msgid = PublicInbox::Hval->new_msgid($1);
+ my $html = $msgid->as_html;
+ my $href = $msgid->{href};
+ $href = ascii_html($href); # for IDN
+
+ # salt this, as this could be exploited to show
+ # links in the HTML which don't show up in the raw mail.
+ my $key = sha1_hex($html . $SALT);
+ $self->{$key} = [ $href, $html ];
+ '';
+ !ge;
+ $$str = ascii_html($$str);
+ $$str =~ s!\bPI-LINK-([a-f0-9]{40})\b!
+ my $key = $1;
+ my $repl = $_[0]->{$key};
+ if (defined $repl) {
+ "[0]/\">$repl->[1]";
+ } else {
+ # false positive or somebody tried to mess with us
+ $key;
+ }
+ !ge;
+}
+
1;