3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2008, 2009, StatusNet, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
22 abstract class ShortUrlApi
24 protected $service_url;
25 protected $long_limit = 27;
27 function __construct($service_url)
29 $this->service_url = $service_url;
32 function shorten($url)
34 if ($this->is_long($url)) return $this->shorten_imp($url);
38 protected abstract function shorten_imp($url);
40 protected function is_long($url) {
41 return strlen($url) >= common_config('site', 'shorturllength');
44 protected function http_post($data)
46 $request = new HTTPClient($this->service_url);
47 return $request->post($data);
50 protected function http_get($url)
52 $service = $this->service_url . urlencode($url);
53 $request = new HTTPClient($service);
54 return $request->get();
57 protected function tidy($response) {
58 $response = str_replace(' ', ' ', $response);
59 $config = array('output-xhtml' => true);
61 $tidy->parseString($response, $config, 'utf8');