add RequestTracker.pm

Bugzilla/BugUrl/RequestTracker.pm

+# -*- Mode: perl; indent-tabs-mode: nil -*-
+#
+# The contents of this file are subject to the Mozilla Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+# The Original Code is the Bugzilla Bug Tracking System.
+#
+# The Initial Developer of the Original Code is Tiago Mello.
+# Portions created by Tiago Mello are Copyright (C) 2010
+# Tiago Mello. All Rights Reserved.
+#
+# Contributor(s): Tiago Mello <timello@linux.vnet.ibm.com>
+#                 Max Kanat-Alexander <mkanat@bugzilla.org>
+#                 Vitaly Lipatov <lav@etersoft.ru>
+
+
+package Bugzilla::BugUrl::RequestTracker;
+use strict;
+use base qw(Bugzilla::BugUrl);
+
+use Bugzilla::Error;
+use Bugzilla::Util;
+
+
+###############################
+####        Methods        ####
+###############################
+
+sub should_handle {
+    my ($class, $uri) = @_;
+    return ($uri->path =~ /Ticket\/Display\.html$/) ? 1 : 0;
+}
+
+sub _check_value {
+    my ($class, $uri) = @_;
+
+    $uri = $class->SUPER::_check_value($uri);
+
+    my $bug_id = $uri->query_param('id');
+    # We don't currently allow aliases, because we can't check to see
+    # if somebody's putting both an alias link and a numeric ID link.
+    # When we start validating the URL by accessing the other Bugzilla,
+    # we can allow aliases.
+    detaint_natural($bug_id);
+    if (!$bug_id) {
+        my $value = $uri->as_string;
+        ThrowUserError('bug_url_invalid', { url => $value, reason => 'id' });
+    }
+
+    # Make sure that "id" is the only query parameter.
+    $uri->query("id=$bug_id");
+    # And remove any # part if there is one.
+    $uri->fragment(undef);
+
+    return $uri;
+
+}
+
+1;