Minor function definitions so they match Action parent

plugins/OStatus/actions/ostatusinit.php

@@ -35,14 +35,13 @@ class OStatusInitAction extends Action
     var $profile;
     var $err;
 
-    function prepare($args)
+    protected function prepare($args)
     {
         parent::prepare($args);
 
         if (common_logged_in()) {
             // TRANS: Client error.
             $this->clientError(_m('You can use the local subscription!'));
-            return false;
         }
 
         // Local user or group the remote wants to subscribe to
@@ -57,9 +56,9 @@ class OStatusInitAction extends Action
         return true;
     }
 
-    function handle($args)
+    protected function handle()
     {
-        parent::handle($args);
+        parent::handle();
 
         if ($_SERVER['REQUEST_METHOD'] == 'POST') {
             /* Use a session token for CSRF protection. */

plugins/OStatus/actions/pushcallback.php

@@ -28,15 +28,15 @@ if (!defined('STATUSNET')) {
 
 class PushCallbackAction extends Action
 {
-    function handle()
+    protected function handle()
     {
         StatusNet::setApi(true); // Minimize error messages to aid in debugging
         parent::handle();
-        if ($_SERVER['REQUEST_METHOD'] == 'POST') {
-            $this->handlePost();
-        } else {
-            $this->handleGet();
+        if ($this->isPost()) {
+            return $this->handlePost();
         }
+        
+        return $this->handleGet();
     }
 
     /**

plugins/OStatus/actions/pushhub.php

@@ -47,13 +47,13 @@ class PushHubAction extends Action
         return parent::arg($arg, $def);
     }
 
-    function prepare($args)
+    protected function prepare($args)
     {
         StatusNet::setApi(true); // reduce exception reports to aid in debugging
         return parent::prepare($args);
     }
 
-    function handle()
+    protected function handle()
     {
         $mode = $this->trimmed('hub.mode');
         switch ($mode) {