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<?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');
}
}
|
