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-rw-r--r--plugins/OpenID/xrds.php173
1 files changed, 173 insertions, 0 deletions
diff --git a/plugins/OpenID/xrds.php b/plugins/OpenID/xrds.php
new file mode 100644
index 000000000..9327a3c83
--- /dev/null
+++ b/plugins/OpenID/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');
+ }
+}
+