api: Make ApiQuery(All)DeletedRevisions accessible to everyone

[lhc/web/wiklou.git] / includes / api / ApiQueryDeletedRevisions.php

diff --git a/includes/api/ApiQueryDeletedRevisions.php b/includes/api/ApiQueryDeletedRevisions.php
index b266ecf..12fd20a 100644 (file)
--- a/includes/api/ApiQueryDeletedRevisions.php
+++ b/includes/api/ApiQueryDeletedRevisions.php
@@ -40,8 +40,6 @@ class ApiQueryDeletedRevisions extends ApiQueryRevisionsBase {
 
        protected function run( ApiPageSet $resultPageSet = null ) {
                $user = $this->getUser();
-               // Before doing anything at all, let's check permissions
-               $this->checkUserRightsAny( 'deletedhistory' );
 
                $pageSet = $this->getPageSet();
                $pageMap = $pageSet->getGoodAndMissingTitlesByNamespace();
@@ -94,15 +92,16 @@ class ApiQueryDeletedRevisions extends ApiQueryRevisionsBase {
                        }
                }
 
-               if ( $this->fetchContent ) {
-                       $this->addTables( 'text' );
-                       $this->addJoinConds(
-                               [ 'text' => [ 'LEFT JOIN', [ 'ar_text_id=old_id' ] ] ]
-                       );
-                       $this->addFields( [ 'old_text', 'old_flags' ] );
-
-                       // This also means stricter restrictions
-                       $this->checkUserRightsAny( [ 'deletedtext', 'undelete' ] );
+               // This means stricter restrictions
+               if ( ( $this->fld_comment || $this->fld_parsedcomment ) &&
+                       !$this->getPermissionManager()->userHasRight( $user, 'deletedhistory' )
+               ) {
+                       $this->dieWithError( 'apierror-cantview-deleted-comment', 'permissiondenied' );
+               }
+               if ( $this->fetchContent &&
+                       !$this->getPermissionManager()->userHasAnyRight( $user, 'deletedtext', 'undelete' )
+               ) {
+                       $this->dieWithError( 'apierror-cantview-deleted-revision-content', 'permissiondenied' );
                }
 
                $dir = $params['dir'];
@@ -136,11 +135,11 @@ class ApiQueryDeletedRevisions extends ApiQueryRevisionsBase {
 
                if ( !is_null( $params['user'] ) || !is_null( $params['excludeuser'] ) ) {
                        // Paranoia: avoid brute force searches (T19342)
-                       // (shouldn't be able to get here without 'deletedhistory', but
-                       // check it again just in case)
-                       if ( !$user->isAllowed( 'deletedhistory' ) ) {
+                       if ( !$this->getPermissionManager()->userHasRight( $user, 'deletedhistory' ) ) {
                                $bitmask = RevisionRecord::DELETED_USER;
-                       } elseif ( !$user->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) {
+                       } elseif ( !$this->getPermissionManager()
+                               ->userHasAnyRight( $this->getUser(), 'suppressrevision', 'viewsuppressed' )
+                       ) {
                                $bitmask = RevisionRecord::DELETED_USER | RevisionRecord::DELETED_RESTRICTED;
                        } else {
                                $bitmask = 0;