gnu-social/lib/apioauth.php

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2010-01-13 05:06:35 +00:00
<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Base action for OAuth API endpoints
*
* PHP version 5
*
* LICENCE: 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 API
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
require_once INSTALLDIR . '/lib/apioauthstore.php';
/**
* Base action for API OAuth enpoints. Clean up the
* the request, and possibly some other common things
* here.
*
* @category API
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class ApiOauthAction extends Action
{
/**
* Is this a read-only action?
*
* @return boolean false
*/
function isReadOnly($args)
{
return false;
}
function prepare($args)
{
parent::prepare($args);
return true;
}
/**
* Handle input, produce output
*
* Switches on request method; either shows the form or handles its input.
*
* @param array $args $_REQUEST data
*
* @return void
*/
function handle($args)
{
parent::handle($args);
self::cleanRequest();
}
static function cleanRequest()
{
// kill evil effects of magical slashing
if (get_magic_quotes_gpc() == 1) {
$_POST = array_map('stripslashes', $_POST);
$_GET = array_map('stripslashes', $_GET);
}
// strip out the p param added in index.php
// XXX: should we strip anything else? Or alternatively
// only allow a known list of params?
unset($_GET['p']);
unset($_POST['p']);
}
function getCallback($url, $params)
{
foreach ($params as $k => $v) {
$url = $this->appendQueryVar($url,
OAuthUtil::urlencode_rfc3986($k),
OAuthUtil::urlencode_rfc3986($v));
}
return $url;
}
function appendQueryVar($url, $k, $v) {
$url = preg_replace('/(.*)(\?|&)' . $k . '=[^&]+?(&)(.*)/i', '$1$2$4', $url . '&');
$url = substr($url, 0, -1);
if (strpos($url, '?') === false) {
return ($url . '?' . $k . '=' . $v);
} else {
return ($url . '&' . $k . '=' . $v);
}
}
}