move xrd and hostmeta out of the OStatus plugin and into core

add event for setting up hostmeta, and use them in the OStatus plugin

EVENTS.txt

@@ -551,6 +551,12 @@ EndPublicXRDS: End XRDS output (right before the closing XRDS tag)
 - $action: the current action
 - &$xrdsoutputter - XRDSOutputter object to write to
 
+StartHostMetaLinks: Start /.well-known/host-meta links
+- &links: array containing the links elements to be written
+
+EndHostMetaLinks: End /.well-known/host-meta links
+- &links: array containing the links elements to be written
+
 StartCheckPassword: Check a username/password
 - $nickname: The nickname to check
 - $password: The password to check

actions/hostmeta.php

@@ -18,8 +18,10 @@
  */
 
 /**
- * @package OStatusPlugin
+ * @category Action
+ * @package  StatusNet
  * @maintainer James Walker <james@status.net>
+ * @author   Craig Andrews <candrews@integralblue.com>
  */
 
 if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
@@ -27,19 +29,28 @@ if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
 class HostMetaAction extends Action
 {
 
+    /**
+     * Is read only?
+     *
+     * @return boolean true
+     */
+    function isReadOnly()
+    {
+        return true;
+    }
+
     function handle()
     {
         parent::handle();
 
         $domain = common_config('site', 'server');
-        $url = common_local_url('userxrd');
-        $url.= '?uri={uri}';
 
         $xrd = new XRD();
         $xrd->host = $domain;
-        $xrd->links[] = array('rel' => Discovery::LRDD_REL,
-                              'template' => $url,
-                              'title' => array('Resource Descriptor'));
+
+        if(Event::handle('StartHostMetaLinks', array(&$xrd->links))) {
+            Event::handle('EndHostMetaLinks', array(&$xrd->links));
+        }
 
         header('Content-type: application/xrd+xml');
         print $xrd->toXML();

index.php

@@ -204,7 +204,7 @@ function checkMirror($action_obj, $args)
 
 function isLoginAction($action)
 {
-    static $loginActions =  array('login', 'recoverpassword', 'api', 'doc', 'register', 'publicxrds', 'otp', 'opensearch', 'rsd');
+    static $loginActions =  array('login', 'recoverpassword', 'api', 'doc', 'register', 'publicxrds', 'otp', 'opensearch', 'rsd', 'hostmeta');
 
     $login = null;
 

lib/router.php

@@ -151,6 +151,8 @@ class Router
 
             $m->connect('main/xrds',
                         array('action' => 'publicxrds'));
+            $m->connect('.well-known/host-meta',
+                        array('action' => 'hostmeta'));
 
             // these take a code
 

plugins/OStatus/OStatusPlugin.php

@@ -50,8 +50,6 @@ class OStatusPlugin extends Plugin
     function onRouterInitialized($m)
     {
         // Discovery actions
-        $m->connect('.well-known/host-meta',
-                    array('action' => 'hostmeta'));
         $m->connect('main/xrd',
                     array('action' => 'userxrd'));
         $m->connect('main/ownerxrd',
@@ -1012,4 +1010,12 @@ class OStatusPlugin extends Plugin
 
         return true;
     }
+
+    function onStartHostMetaLinks(&$links) {
+        $url = common_local_url('userxrd');
+        $url.= '?uri={uri}';
+        $links[] = array('rel' => Discovery::LRDD_REL,
+                              'template' => $url,
+                              'title' => array('Resource Descriptor'));
+    }
 }