gnu-social/actions/redirecturl.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* Redirect to the given URL
*
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* PHP version 5
*
* 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/>.
*
* @category URL
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('GNUSOCIAL')) { exit(1); }
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/**
* Redirect to a given URL
*
* This is our internal low-budget URL-shortener
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class RedirecturlAction extends ManagedAction
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{
protected $file = null;
protected function doPreparation()
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{
$this->file = File::getByID($this->int('id'));
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return true;
}
public function showPage()
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{
common_redirect($this->file->getUrl(true), 301);
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}
function isReadOnly($args)
{
return true;
}
function lastModified()
{
// For comparison with If-Last-Modified
// If not applicable, return null
return strtotime($this->file->modified);
}
/**
* Return etag, if applicable.
*
* MAY override
*
* @return string etag http header
*/
function etag()
{
return 'W/"' . implode(':', array($this->getActionName(),
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common_user_cache_hash(),
common_language(),
$this->file->getID())) . '"';
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}
}