1 files changed, 80 insertions, 0 deletions
diff --git a/Bugzilla/Quantum/Plugin/Hostage.pm b/Bugzilla/Quantum/Plugin/Hostage.pm
new file mode 100644
index 000000000..418b09a0c
--- /dev/null
+++ b/Bugzilla/Quantum/Plugin/Hostage.pm
@@ -0,0 +1,80 @@
+package Bugzilla::Quantum::Plugin::Hostage;
+use 5.10.1;
+use Mojo::Base 'Mojolicious::Plugin';
+
+sub _attachment_root {
+    my ($base) = @_;
+    return undef unless $base;
+    return $base =~ m{^https?://(?:bug)?\%bugid\%\.([a-zA-Z\.-]+)}
+        ? $1
+        : undef;
+}
+
+sub _attachment_host_regex {
+    my ($base) = @_;
+    return undef unless $base;
+    my $val   = $base;
+    $val =~ s{^https?://}{}s;
+    $val =~ s{/$}{}s;
+    my $regex = quotemeta $val;
+    $regex =~ s/\\\%bugid\\\%/\\d+/g;
+    return qr/^$regex$/s;
+}
+
+sub register {
+    my ( $self, $app, $conf ) = @_;
+
+    $app->hook(before_routes => \&_before_routes);
+}
+
+sub _before_routes {
+    my ( $c ) = @_;
+    state $urlbase               = Bugzilla->localconfig->{urlbase};
+    state $urlbase_uri           = URI->new($urlbase);
+    state $urlbase_host          = $urlbase_uri->host;
+    state $urlbase_host_regex    = qr/^bug(\d+)\.\Q$urlbase_host\E$/;
+    state $attachment_base       = Bugzilla->localconfig->{attachment_base};
+    state $attachment_root       = _attachment_root($attachment_base);
+    state $attachment_host_regex = _attachment_host_regex($attachment_base);
+
+    my $stash = $c->stash;
+    my $req   = $c->req;
+    my $url   = $req->url->to_abs;
+
+    return if $stash->{'mojo.static'};
+
+    my $hostname  = $url->host;
+    return if $hostname eq $urlbase_host;
+
+    my $path = $url->path;
+    return if $path eq '/__lbheartbeat__';
+
+    if ($attachment_base && $hostname eq $attachment_root) {
+        $c->redirect_to($urlbase);
+        return;
+    }
+    elsif ($attachment_base && $hostname =~ $attachment_host_regex) {
+        if ($path =~ m{^/attachment\.cgi}s) {
+            return;
+        } else {
+            my $new_uri = $url->clone;
+            $new_uri->scheme($urlbase_uri->scheme);
+            $new_uri->host($urlbase_host);
+            $c->redirect_to($new_uri);
+            return;
+        }
+    }
+    elsif (my ($id) = $hostname =~ $urlbase_host_regex) {
+        my $new_uri = $urlbase_uri->clone;
+        $new_uri->path('/show_bug.cgi');
+        $new_uri->query_form(id => $id);
+        $c->redirect_to($new_uri);
+        return;
+    }
+    else {
+        $c->redirect_to($urlbase);
+        return;
+    }
+}
+
+1;