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<?php
/*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, 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('STATUSNET') && !defined('LACONICA')) { exit(1); }
abstract class ShortUrlApi
{
protected $service_url;
protected $long_limit = 27;
function __construct($service_url)
{
$this->service_url = $service_url;
}
function shorten($url)
{
if ($this->is_long($url)) return $this->shorten_imp($url);
return $url;
}
protected abstract function shorten_imp($url);
protected function is_long($url) {
return strlen($url) >= common_config('site', 'shorturllength');
}
protected function http_post($data)
{
$request = new HTTPClient($this->service_url);
return $request->post($data);
}
protected function http_get($url)
{
$service = $this->service_url . urlencode($url);
$request = new HTTPClient($service);
return $request->get();
}
protected function tidy($response) {
$response = str_replace(' ', ' ', $response);
$config = array('output-xhtml' => true);
$tidy = new tidy;
$tidy->parseString($response, $config, 'utf8');
$tidy->cleanRepair();
return (string)$tidy;
}
}
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