diff options
Diffstat (limited to 'actions')
| -rw-r--r-- | actions/xrds.php | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/actions/xrds.php b/actions/xrds.php new file mode 100644 index 000000000..9327a3c83 --- /dev/null +++ b/actions/xrds.php @@ -0,0 +1,173 @@ +<?php + +/** + * XRDS for OpenID + * + * PHP version 5 + * + * @category Action + * @package Laconica + * @author Evan Prodromou <evan@controlyourself.ca> + * @author Robin Millette <millette@controlyourself.ca> + * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3 + * @link http://laconi.ca/ + * + * Laconica - a distributed open-source microblogging tool + * Copyright (C) 2008, 2009, Control Yourself, Inc. + * + * 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/>. + */ + +if (!defined('LACONICA')) { + exit(1); +} + +require_once INSTALLDIR.'/lib/omb.php'; + +/** + * XRDS for OpenID + * + * @category Action + * @package Laconica + * @author Evan Prodromou <evan@controlyourself.ca> + * @author Robin Millette <millette@controlyourself.ca> + * @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3 + * @link http://laconi.ca/ + */ +class XrdsAction extends Action +{ + /** + * Is read only? + * + * @return boolean true + */ + function isReadOnly($args) + { + return true; + } + + /** + * Class handler. + * + * @param array $args query arguments + * + * @return void + */ + function handle($args) + { + parent::handle($args); + $nickname = $this->trimmed('nickname'); + $user = User::staticGet('nickname', $nickname); + if (!$user) { + $this->clientError(_('No such user.')); + return; + } + $this->showXrds($user); + } + + /** + * Show XRDS for a user. + * + * @param class $user XRDS for this user. + * + * @return void + */ + function showXrds($user) + { + header('Content-Type: application/xrds+xml'); + $this->startXML(); + $this->elementStart('XRDS', array('xmlns' => 'xri://$xrds')); + + $this->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)', + 'xml:id' => 'oauth', + 'xmlns:simple' => 'http://xrds-simple.net/core/1.0', + 'version' => '2.0')); + $this->element('Type', null, 'xri://$xrds*simple'); + $this->showService(OAUTH_ENDPOINT_REQUEST, + common_local_url('requesttoken'), + array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY), + array(OAUTH_HMAC_SHA1), + $user->uri); + $this->showService(OAUTH_ENDPOINT_AUTHORIZE, + common_local_url('userauthorization'), + array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY), + array(OAUTH_HMAC_SHA1)); + $this->showService(OAUTH_ENDPOINT_ACCESS, + common_local_url('accesstoken'), + array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY), + array(OAUTH_HMAC_SHA1)); + $this->showService(OAUTH_ENDPOINT_RESOURCE, + null, + array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY), + array(OAUTH_HMAC_SHA1)); + $this->elementEnd('XRD'); + + // XXX: decide whether to include user's ID/nickname in postNotice URL + $this->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)', + 'xml:id' => 'omb', + 'xmlns:simple' => 'http://xrds-simple.net/core/1.0', + 'version' => '2.0')); + $this->element('Type', null, 'xri://$xrds*simple'); + $this->showService(OMB_ENDPOINT_POSTNOTICE, + common_local_url('postnotice')); + $this->showService(OMB_ENDPOINT_UPDATEPROFILE, + common_local_url('updateprofile')); + $this->elementEnd('XRD'); + $this->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)', + 'version' => '2.0')); + $this->element('Type', null, 'xri://$xrds*simple'); + $this->showService(OAUTH_DISCOVERY, + '#oauth'); + $this->showService(OMB_NAMESPACE, + '#omb'); + $this->elementEnd('XRD'); + $this->elementEnd('XRDS'); + $this->endXML(); + } + + /** + * Show service. + * + * @param string $type XRDS type + * @param string $uri URI + * @param array $params type parameters, null by default + * @param array $sigs type signatures, null by default + * @param string $localId local ID, null by default + * + * @return void + */ + function showService($type, $uri, $params=null, $sigs=null, $localId=null) + { + $this->elementStart('Service'); + if ($uri) { + $this->element('URI', null, $uri); + } + $this->element('Type', null, $type); + if ($params) { + foreach ($params as $param) { + $this->element('Type', null, $param); + } + } + if ($sigs) { + foreach ($sigs as $sig) { + $this->element('Type', null, $sig); + } + } + if ($localId) { + $this->element('LocalID', null, $localId); + } + $this->elementEnd('Service'); + } +} + |