Merge "Perform a permission check on the title when changing the page language"

diff --combined includes/specials/SpecialPageLanguage.php
index 2943fd4,ef034fb..78a453e
--- 1/includes/specials/SpecialPageLanguage.php
--- 2/includes/specials/SpecialPageLanguage.php
+++ b/includes/specials/SpecialPageLanguage.php
@@@ -135,8 -135,18 +135,18 @@@ class SpecialPageLanguage extends FormS
                        return Status::newFatal( $ex->getMessageObject() );
                }
  
+               // Check permissions and make sure the user has permission to edit the page
+               $errors = $title->getUserPermissionsErrors( 'edit', $this->getUser() );
+ 
+               if ( $errors ) {
+                       $out = $this->getOutput();
+                       $wikitext = $out->formatPermissionsErrorMessage( $errors );
+                       // Hack to get our wikitext parsed
+                       return Status::newFatal( new RawMessage( '$1', [ $wikitext ] ) );
+               }
+ 
                // Url to redirect to after the operation
 -              $this->goToUrl = $title->getFullURL(
 +              $this->goToUrl = $title->getFullUrlForRedirect(
                        $title->isRedirect() ? [ 'redirect' => 'no' ] : []
                );