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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Settings for OpenID
*
* 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 Settings
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @copyright 2008-2009 StatusNet, Inc.
* @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
* @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.'/plugins/OpenID/openid.php';
/**
* Settings for OpenID
*
* Lets users add, edit and delete OpenIDs from their account
*
* @category Settings
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class OpenidserverAction extends Action
{
var $oserver;
function prepare($args)
{
parent::prepare($args);
$this->oserver = oid_server();
return true;
}
function handle($args)
{
parent::handle($args);
$request = $this->oserver->decodeRequest();
if (in_array($request->mode, array('checkid_immediate',
'checkid_setup'))) {
$user = common_current_user();
if(!$user){
if($request->immediate){
//cannot prompt the user to login in immediate mode, so answer false
$response = $this->generateDenyResponse($request);
}else{
// Go log in, and then come back.
//
// Note: 303 redirect rather than 307 to avoid
// prompting user for form resubmission if we
// were POSTed here.
common_set_returnto($_SERVER['REQUEST_URI']);
common_redirect(common_local_url('login'), 303);
return;
}
}else if(common_profile_url($user->nickname) == $request->identity || $request->idSelect()){
$user_openid_trustroot = User_openid_trustroot::pkeyGet(
array('user_id'=>$user->id, 'trustroot'=>$request->trust_root));
if(empty($user_openid_trustroot)){
if($request->immediate){
//cannot prompt the user to trust this trust root in immediate mode, so answer false
$response = $this->generateDenyResponse($request);
}else{
common_ensure_session();
$_SESSION['openid_trust_root'] = $request->trust_root;
$allowResponse = $this->generateAllowResponse($request, $user);
$this->oserver->encodeResponse($allowResponse); //sign the response
$denyResponse = $this->generateDenyResponse($request);
$this->oserver->encodeResponse($denyResponse); //sign the response
$_SESSION['openid_allow_url'] = $allowResponse->encodeToUrl();
$_SESSION['openid_deny_url'] = $denyResponse->encodeToUrl();
// Ask the user to trust this trust root...
//
// Note: 303 redirect rather than 307 to avoid
// prompting user for form resubmission if we
// were POSTed here.
common_redirect(common_local_url('openidtrust'), 303);
return;
}
}else{
//user has previously authorized this trust root
$response = $this->generateAllowResponse($request, $user);
//$response = $request->answer(true, null, common_profile_url($user->nickname));
}
} else if ($request->immediate) {
$response = $this->generateDenyResponse($request);
} else {
//invalid
// TRANS: OpenID plugin client error given trying to add an unauthorised OpenID to a user (403).
$this->clientError(sprintf(_m('You are not authorized to use the identity %s.'),$request->identity),$code=403);
}
} else {
$response = $this->oserver->handleRequest($request);
}
if($response){
$response = $this->oserver->encodeResponse($response);
if ($response->code != AUTH_OPENID_HTTP_OK) {
header(sprintf("HTTP/1.1 %d ", $response->code),
true, $response->code);
}
if($response->headers){
foreach ($response->headers as $k => $v) {
header("$k: $v");
}
}
$this->raw($response->body);
}else{
// TRANS: OpenID plugin client error given when not getting a response for a given OpenID provider (500).
$this->clientError(_m('Just an OpenID provider. Nothing to see here, move along...'),$code=500);
}
}
function generateAllowResponse($request, $user){
$response = $request->answer(true, null, common_profile_url($user->nickname));
$profile = $user->getProfile();
$sreg_data = array(
'fullname' => $profile->fullname,
'nickname' => $user->nickname,
'email' => $user->email,
'language' => $user->language,
'timezone' => $user->timezone);
$sreg_request = Auth_OpenID_SRegRequest::fromOpenIDRequest($request);
$sreg_response = Auth_OpenID_SRegResponse::extractResponse(
$sreg_request, $sreg_data);
$sreg_response->toMessage($response->fields);
return $response;
}
function generateDenyResponse($request){
$response = $request->answer(false);
return $response;
}
}
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