Merge "Use local context to get messages and time formatting methods of Language...
[lhc/web/wiklou.git] / includes / AjaxDispatcher.php
index 5bd7cfa..b457ea6 100644 (file)
@@ -1,33 +1,55 @@
 <?php
 /**
- * @defgroup Ajax Ajax
+ * Handle ajax requests and send them to the proper handler.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
  *
  * @file
  * @ingroup Ajax
- * Handle ajax requests and send them to the proper handler.
  */
 
-if ( !( defined( 'MEDIAWIKI' ) && $wgUseAjax ) ) {
-       die( 1 );
-}
-
-require_once( 'AjaxFunctions.php' );
+/**
+ * @defgroup Ajax Ajax
+ */
 
 /**
  * Object-Oriented Ajax functions.
  * @ingroup Ajax
  */
 class AjaxDispatcher {
-       /** The way the request was made, either a 'get' or a 'post' */
+       /**
+        * The way the request was made, either a 'get' or a 'post'
+        * @var string $mode
+        */
        private $mode;
 
-       /** Name of the requested handler */
+       /**
+        * Name of the requested handler
+        * @var string $func_name
+        */
        private $func_name;
 
-       /** Arguments passed */
+       /** Arguments passed
+        * @var array $args
+        */
        private $args;
 
-       /** Load up our object with user supplied data */
+       /**
+        * Load up our object with user supplied data
+        */
        function __construct() {
                wfProfileIn( __METHOD__ );
 
@@ -42,43 +64,40 @@ class AjaxDispatcher {
                }
 
                switch( $this->mode ) {
-
-               case 'get':
-                       $this->func_name = isset( $_GET["rs"] ) ? $_GET["rs"] : '';
-                       if ( ! empty( $_GET["rsargs"] ) ) {
-                               $this->args = $_GET["rsargs"];
-                       } else {
-                               $this->args = array();
-                       }
-               break;
-
-               case 'post':
-                       $this->func_name = isset( $_POST["rs"] ) ? $_POST["rs"] : '';
-                       if ( ! empty( $_POST["rsargs"] ) ) {
-                               $this->args = $_POST["rsargs"];
-                       } else {
-                               $this->args = array();
-                       }
-               break;
-
-               default:
-                       wfProfileOut( __METHOD__ );
-                       return;
-                       # Or we could throw an exception:
-                       # throw new MWException( __METHOD__ . ' called without any data (mode empty).' );
-
+                       case 'get':
+                               $this->func_name = isset( $_GET["rs"] ) ? $_GET["rs"] : '';
+                               if ( ! empty( $_GET["rsargs"] ) ) {
+                                       $this->args = $_GET["rsargs"];
+                               } else {
+                                       $this->args = array();
+                               }
+                               break;
+                       case 'post':
+                               $this->func_name = isset( $_POST["rs"] ) ? $_POST["rs"] : '';
+                               if ( ! empty( $_POST["rsargs"] ) ) {
+                                       $this->args = $_POST["rsargs"];
+                               } else {
+                                       $this->args = array();
+                               }
+                               break;
+                       default:
+                               wfProfileOut( __METHOD__ );
+                               return;
+                               # Or we could throw an exception:
+                               # throw new MWException( __METHOD__ . ' called without any data (mode empty).' );
                }
 
                wfProfileOut( __METHOD__ );
        }
 
-       /** Pass the request to our internal function.
+       /**
+        * Pass the request to our internal function.
         * BEWARE! Data are passed as they have been supplied by the user,
         * they should be carefully handled in the function processing the
         * request.
         */
        function performAction() {
-               global $wgAjaxExportList, $wgOut;
+               global $wgAjaxExportList, $wgOut, $wgUser;
 
                if ( empty( $this->mode ) ) {
                        return;
@@ -89,18 +108,23 @@ class AjaxDispatcher {
                if ( ! in_array( $this->func_name, $wgAjaxExportList ) ) {
                        wfDebug( __METHOD__ . ' Bad Request for unknown function ' . $this->func_name . "\n" );
 
-                       wfHttpError( 400, 'Bad Request',
-                               "unknown function " . (string) $this->func_name );
+                       wfHttpError(
+                               400,
+                               'Bad Request',
+                               "unknown function " . (string) $this->func_name
+                       );
+               } elseif ( !in_array( 'read', User::getGroupPermissions( array( '*' ) ), true )
+                       && !$wgUser->isAllowed( 'read' ) )
+               {
+                       wfHttpError(
+                               403,
+                               'Forbidden',
+                               'You must log in to view pages.' );
                } else {
                        wfDebug( __METHOD__ . ' dispatching ' . $this->func_name . "\n" );
 
-                       if ( strpos( $this->func_name, '::' ) !== false ) {
-                               $func = explode( '::', $this->func_name, 2 );
-                       } else {
-                               $func = $this->func_name;
-                       }
                        try {
-                               $result = call_user_func_array( $func, $this->args );
+                               $result = call_user_func_array( $this->func_name, $this->args );
 
                                if ( $result === false || $result === null ) {
                                        wfDebug( __METHOD__ . ' ERROR while dispatching '
@@ -109,8 +133,7 @@ class AjaxDispatcher {
 
                                        wfHttpError( 500, 'Internal Error',
                                                "{$this->func_name} returned no data" );
-                               }
-                               else {
+                               } else {
                                        if ( is_string( $result ) ) {
                                                $result = new AjaxResponse( $result );
                                        }
@@ -120,7 +143,6 @@ class AjaxDispatcher {
 
                                        wfDebug( __METHOD__ . ' dispatch complete for ' . $this->func_name . "\n" );
                                }
-
                        } catch ( Exception $e ) {
                                wfDebug( __METHOD__ . ' ERROR while dispatching '
                                                . $this->func_name . "(" . var_export( $this->args, true ) . "): "
@@ -135,7 +157,7 @@ class AjaxDispatcher {
                        }
                }
 
-               wfProfileOut( __METHOD__ );
                $wgOut = null;
+               wfProfileOut( __METHOD__ );
        }
 }