gnu-social/actions/apioauthaccesstoken.php
2011-01-19 23:00:24 -08:00

128 lines
4.0 KiB
PHP

<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Action for getting OAuth token credentials (exchange an authorized
* request token for an access token)
*
* 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/apioauth.php';
/**
* Action for getting OAuth token credentials (exchange an authorized
* request token for an access token)
*
* @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 ApiOauthAccessTokenAction extends ApiOauthAction
{
protected $reqToken = null;
protected $verifier = null;
/**
* Class handler.
*
* @param array $args array of arguments
*
* @return void
*/
function handle($args)
{
parent::handle($args);
$datastore = new ApiStatusNetOAuthDataStore();
$server = new OAuthServer($datastore);
$hmac_method = new OAuthSignatureMethod_HMAC_SHA1();
$server->add_signature_method($hmac_method);
$atok = $app = null;
// XXX: Insist that oauth_token and oauth_verifier be populated?
// Spec doesn't say they MUST be.
try {
$req = OAuthRequest::from_request();
$this->reqToken = $req->get_parameter('oauth_token');
$this->verifier = $req->get_parameter('oauth_verifier');
$app = $datastore->getAppByRequestToken($this->reqToken);
$atok = $server->fetch_access_token($req);
} catch (Exception $e) {
common_log(LOG_WARNING, 'API OAuthException - ' . $e->getMessage());
common_debug(var_export($req, true));
$code = $e->getCode();
$this->clientError($e->getMessage(), empty($code) ? 401 : $code, 'text');
return;
}
if (empty($atok)) {
// Token exchange failed -- log it
$msg = sprintf(
'API OAuth - Failure exchanging OAuth request token for access token, '
. 'request token = %s, verifier = %s',
$this->reqToken,
$this->verifier
);
common_log(LOG_WARNING, $msg);
// TRANS: Client error given from the OAuth API when the request token or verifier is invalid.
$this->clientError(_("Invalid request token or verifier."), 400, 'text');
} else {
common_log(
LOG_INFO,
sprintf(
"Issued access token '%s' for application %d (%s).",
$atok->key,
$app->id,
$app->name
)
);
$this->showAccessToken($atok);
}
}
/*
* Display OAuth token credentials
*
* @param OAuthToken token the access token
*/
function showAccessToken($token)
{
header('Content-Type: application/x-www-form-urlencoded');
print $token;
}
}