gnu-social/actions/opensearch.php

<?php
/*
 * Laconica - a distributed open-source microblogging tool
 * Copyright (C) 2008, Controlez-Vous, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

if (!defined('LACONICA')) { exit(1); }

class OpensearchAction extends Action {

    function handle($args) {

        parent::handle($args);

        $type = $this->trimmed('type');

        $short_name = '';
        if ($type == 'people') {
            $type = 'peoplesearch';
            $short_name = _('People Search');
        } else {
            $short_name = _('Notice Search');
            $type = 'noticesearch';
        }

        header('Content-Type: text/html');

        common_start_xml();
        common_element_start('OpenSearchDescription', array('xmlns' => 'http://a9.com/-/spec/opensearch/1.1/'));

        $short_name =  common_config('site', 'name').' '.$short_name;
        common_element('ShortName', NULL, $short_name);
        common_element('Contact', NULL, common_config('site', 'email'));
        common_element('Url', array('type' => 'text/html', 'method' => 'get',
                       'template' => str_replace('---', '{searchTerms}', common_local_url($type, array('q' => '---')))));
        common_element('Image', array('height' => 16, 'width' => 16, 'type' => 'image/vnd.microsoft.icon'), common_path('favicon.ico'));
        common_element('Image', array('height' => 50, 'width' => 50, 'type' => 'image/png'), theme_path('logo.png'));
        common_element('AdultContent', NULL, 'false');
        common_element('Language', NULL, common_language());
        common_element('OutputEncoding', NULL, 'UTF-8');
        common_element('InputEncoding', NULL, 'UTF-8');

        common_element_end('OpenSearchDescription');
        common_end_xml();
    }
}