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<?php
/**
* ownCloud
*
* @author Tom Needham
* @author Michael Gapczynski
* @copyright 2012 Tom Needham tom@owncloud.com
* @copyright 2012 Michael Gapczynski mtgap@owncloud.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*
*/
require_once(OC::$THIRDPARTYROOT.'/3rdparty/OAuth/OAuth.php');
class OC_OAuth_Server extends OAuthServer {
/**
* sets up the server object
*/
public static function init(){
$server = new OC_OAuth_Server(new OC_OAuth_Store());
$server->add_signature_method(new OAuthSignatureMethod_HMAC_SHA1());
return $server;
}
public function get_request_token(&$request){
// Check the signature
$token = $this->fetch_request_token($request);
$scopes = $request->get_parameter('scopes');
// Add scopes to request token
$this->saveScopes($token, $scopes);
return $token;
}
public function saveScopes($token, $scopes){
$query = OC_DB::prepare("INSERT INTO `*PREFIX*oauth_scopes` (`key`, `scopes`) VALUES (?, ?)");
$result = $query->execute(array($token->key, $scopes));
}
/**
* authorises a request token
* @param string $request the request token to authorise
* @return What does it return?
*/
public function authoriseRequestToken(&$request) {
$this->get_version($request);
$consumer = $this->get_consumer($request);
$this->check_signature($request, $consumer, null);
$token = $this->get_token($request, $consumer, 'request');
$this->check_signature($request, $consumer, $token);
return $this->data_store->authorise_request_token($token, $consumer, OC_User::getUser());
}
/**
* checks if request is authorised
* TODO distinguish between failures as one is a 400 error and other is 401
* @return string|int
*/
public static function isAuthorised($scope) {
try {
$request = OAuthRequest::from_request();
//$this->verify_request(); // TODO cannot use $this in static context
return true;
} catch (OAuthException $exception) {
return false;
}
// TODO Get user out of token? May have to write own verify_request()
// $run = true;
// OC_Hook::emit( "OC_User", "pre_login", array( "run" => &$run, "uid" => $user ));
// if(!$run){
// return false;
// }
// OC_User::setUserId($user);
// OC_Hook::emit( "OC_User", "post_login", array( "uid" => $user ));
// return $user;
}
/**
* registers a consumer with the ownCloud Instance
* @param string $name the name of the external app
* @param string $url the url to find out more info on the external app
* @param string $callbacksuccess the url to redirect to after autorisation success
* @param string $callbackfail the url to redirect to if the user does not authorise the application
* @return false|OAuthConsumer object
*/
static function register_consumer($name, $url, $callbacksuccess=null, $callbackfail=null){
// TODO validation
// Check callback url is outside of ownCloud for security
// Generate key and secret
$key = sha1(md5(uniqid(rand(), true)));
$secret = sha1(md5(uniqid(rand(), true)));
$query = OC_DB::prepare("INSERT INTO `*PREFIX*oauth_consumers` (`key`, `secret`, `name`, `url`, `callback_success`, `callback_fail`) VALUES (?, ?, ?, ?, ?, ?)");
$result = $query->execute(array($key, $secret, $name, $url, $callbacksuccess, $callbackfail));
return new OAuthConsumer($key, $secret, $callbacksuccess);
}
}
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