Moved the public XRDS from the OpenID plugin to core

Added 4 new events involved in XRDS: StartUserXRDS, EndUserXRDS, StartPublicXRDS, EndPublicXRDS
Added OpenID provider functionality (no delegation support [yet])

4 files changed, 159 insertions, 130 deletions

diff --git a/plugins/OpenID/OpenIDPlugin.php b/plugins/OpenID/OpenIDPlugin.php
index 81e3ed9c4..5ebee2cbe 100644
--- a/plugins/OpenID/OpenIDPlugin.php
+++ b/plugins/OpenID/OpenIDPlugin.php
@@ -62,17 +62,59 @@ class OpenIDPlugin extends Plugin
      * @return boolean hook return
      */
 
-    function onRouterInitialized($m)
+    function onStartInitializeRouter($m)
     {
         $m->connect('main/openid', array('action' => 'openidlogin'));
+        $m->connect('main/openidtrust', array('action' => 'openidtrust'));
         $m->connect('settings/openid', array('action' => 'openidsettings'));
-        $m->connect('xrds', array('action' => 'publicxrds'));
         $m->connect('index.php?action=finishopenidlogin', array('action' => 'finishopenidlogin'));
         $m->connect('index.php?action=finishaddopenid', array('action' => 'finishaddopenid'));
-
+        $m->connect('main/openidserver', array('action' => 'openidserver'));
+        
         return true;
     }
 
+    function onEndPublicXRDS($action, &$xrdsOutputter)
+    {
+        $xrdsOutputter->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
+                                          'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
+                                          'version' => '2.0'));
+        $xrdsOutputter->element('Type', null, 'xri://$xrds*simple');
+        //consumer
+        foreach (array('finishopenidlogin', 'finishaddopenid') as $finish) {
+            $xrdsOutputter->showXrdsService(Auth_OpenID_RP_RETURN_TO_URL_TYPE,
+                                common_local_url($finish));
+        }
+        //provider
+        $xrdsOutputter->showXrdsService('http://specs.openid.net/auth/2.0/server',
+                            common_local_url('openidserver'),
+                            null,
+                            null,
+                            'http://specs.openid.net/auth/2.0/identifier_select');
+        $xrdsOutputter->elementEnd('XRD');
+    }
+
+    function onEndUserXRDS($action, &$xrdsOutputter)
+    {
+        $xrdsOutputter->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
+                                          'xml:id' => 'openid',
+                                          'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
+                                          'version' => '2.0'));
+        $xrdsOutputter->element('Type', null, 'xri://$xrds*simple');
+        
+        //consumer
+        $xrdsOutputter->showXrdsService('http://specs.openid.net/auth/2.0/return_to',
+                            common_local_url('finishopenidlogin'));
+                            
+        //provider
+        $xrdsOutputter->showXrdsService('http://specs.openid.net/auth/2.0/signon',
+                            common_local_url('openidserver'),
+                            null,
+                            null,
+                            common_profile_url($action->user->nickname));
+        $xrdsOutputter->elementEnd('XRD');
+    }
+
     function onEndLoginGroupNav(&$action)
     {
         $action_name = $action->trimmed('action');
@@ -107,6 +149,7 @@ class OpenIDPlugin extends Plugin
          case 'XrdsAction':
          case 'PublicxrdsAction':
          case 'OpenidsettingsAction':
+         case 'OpenidserverAction':
             require_once(INSTALLDIR.'/plugins/OpenID/' . strtolower(mb_substr($cls, 0, -6)) . '.php');
             return false;
          case 'User_openid':
@@ -152,12 +195,16 @@ class OpenIDPlugin extends Plugin
 
     function onEndShowHeadElements($action)
     {
-        if ($action->trimmed('action') == 'public') {
-            // for client side of OpenID authentication
-            $action->element('meta', array('http-equiv' => 'X-XRDS-Location',
-                                           'content' => common_local_url('publicxrds')));
+        if($action instanceof ShowstreamAction){
+            $action->element('link', array('rel' => 'openid2.provider',
+                                           'href' => common_local_url('openidserver')));
+            $action->element('link', array('rel' => 'openid2.local_id',
+                                           'href' => $action->profile->profileurl));
+            $action->element('link', array('rel' => 'openid.server',
+                                           'href' => common_local_url('openidserver')));
+            $action->element('link', array('rel' => 'openid.delegate',
+                                           'href' => $action->profile->profileurl));
         }
-
         return true;
     }
 
diff --git a/plugins/OpenID/openid.php b/plugins/OpenID/openid.php
index b76497c28..ff7a93899 100644
--- a/plugins/OpenID/openid.php
+++ b/plugins/OpenID/openid.php
@@ -23,6 +23,7 @@ require_once(INSTALLDIR.'/plugins/OpenID/User_openid.php');
 
 require_once('Auth/OpenID.php');
 require_once('Auth/OpenID/Consumer.php');
+require_once('Auth/OpenID/Server.php');
 require_once('Auth/OpenID/SReg.php');
 require_once('Auth/OpenID/MySQLStore.php');
 
@@ -50,6 +51,13 @@ function oid_consumer()
     return $consumer;
 }
 
+function oid_server()
+{
+    $store = oid_store();
+    $server = new Auth_OpenID_Server($store, common_local_url('openidserver'));
+    return $server;
+}
+
 function oid_clear_last()
 {
     oid_set_last('');
diff --git a/plugins/OpenID/openidserver.php b/plugins/OpenID/openidserver.php
new file mode 100644
index 000000000..198a1a328
--- /dev/null
+++ b/plugins/OpenID/openidserver.php
@@ -0,0 +1,96 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Settings for OpenID
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Settings
+ * @package   StatusNet
+ * @author   Craig Andrews <candrews@integralblue.com>
+ * @copyright 2008-2009 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET') && !defined('LACONICA')) {
+    exit(1);
+}
+
+require_once INSTALLDIR.'/lib/action.php';
+require_once INSTALLDIR.'/plugins/OpenID/openid.php';
+
+/**
+ * Settings for OpenID
+ *
+ * Lets users add, edit and delete OpenIDs from their account
+ *
+ * @category Settings
+ * @package  StatusNet
+ * @author   Craig Andrews <candrews@integralblue.com>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://status.net/
+ */
+
+class OpenidserverAction extends Action
+{
+
+    function handle($args)
+    {
+        parent::handle($args);
+        $oserver = oid_server();
+        $request = $oserver->decodeRequest();
+        if (in_array($request->mode, array('checkid_immediate',
+            'checkid_setup'))) {
+            $cur = common_current_user();
+            error_log("Request identity: " . $request->identity);
+            if(!$cur){
+                /* Go log in, and then come back. */
+                common_set_returnto($_SERVER['REQUEST_URI']);
+                common_redirect(common_local_url('login'));
+                return;
+            }else if(common_profile_url($cur->nickname) == $request->identity || $request->idSelect()){
+                $response = &$request->answer(true, null, common_profile_url($cur->nickname));
+            } else if ($request->immediate) {
+                $response = &$request->answer(false);
+            } else {
+                //invalid
+                $this->clientError(sprintf(_('You are not authorized to use the identity %s'),$request->identity),$code=403);
+            }
+        } else {
+            $response = &$oserver->handleRequest($request);
+        }
+
+        if($response){
+            $webresponse = $oserver->encodeResponse($response);
+
+            if ($webresponse->code != AUTH_OPENID_HTTP_OK) {
+                header(sprintf("HTTP/1.1 %d ", $webresponse->code),
+                       true, $webresponse->code);
+            }
+
+            if($webresponse->headers){
+                foreach ($webresponse->headers as $k => $v) {
+                    header("$k: $v");
+                }
+            }
+            $this->raw($webresponse->body);
+        }else{
+            $this->clientError(_('Just an OpenID provider. Nothing to see here, move along...'),$code=500);
+        }
+    }
+}
diff --git a/plugins/OpenID/publicxrds.php b/plugins/OpenID/publicxrds.php
deleted file mode 100644
index 1b2b359ca..000000000
--- a/plugins/OpenID/publicxrds.php
+++ /dev/null
@@ -1,122 +0,0 @@
-<?php
-
-/**
- * Public XRDS for OpenID
- *
- * PHP version 5
- *
- * @category Action
- * @package  StatusNet
- * @author   Evan Prodromou <evan@status.net>
- * @author   Robin Millette <millette@status.net>
- * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
- * @link     http://status.net/
- *
- * StatusNet - the distributed open-source microblogging tool
- * Copyright (C) 2008, 2009, StatusNet, 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('STATUSNET') && !defined('LACONICA')) {
-    exit(1);
-}
-
-require_once INSTALLDIR.'/plugins/OpenID/openid.php';
-
-/**
- * Public XRDS for OpenID
- *
- * @category Action
- * @package  StatusNet
- * @author   Evan Prodromou <evan@status.net>
- * @author   Robin Millette <millette@status.net>
- * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
- * @link     http://status.net/
- *
- * @todo factor out similarities with XrdsAction
- */
-class PublicxrdsAction extends Action
-{
-    /**
-     * Is read only?
-     *
-     * @return boolean true
-     */
-    function isReadOnly($args)
-    {
-        return true;
-    }
-
-    /**
-     * Class handler.
-     *
-     * @param array $args array of arguments
-     *
-     * @return nothing
-     */
-    function handle($args)
-    {
-        parent::handle($args);
-        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)',
-                                          'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
-                                          'version' => '2.0'));
-        $this->element('Type', null, 'xri://$xrds*simple');
-        foreach (array('finishopenidlogin', 'finishaddopenid') as $finish) {
-            $this->showService(Auth_OpenID_RP_RETURN_TO_URL_TYPE,
-                                common_local_url($finish));
-        }
-        $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');
-    }
-}
-