From 87cbe68f3368dc372d1ea1e0a3ab4e34d93a3a58 Mon Sep 17 00:00:00 2001
From: Kunal Mehta <legoktm@gmail.com>
Date: Mon, 18 Aug 2014 11:11:34 -0700
Subject: [PATCH] Revision: Allow for userCanBitfield to check per-page
 restrictions

Change-Id: I13ded8328cac59466b691e63183a16d321659ea4
---
 includes/Revision.php | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/includes/Revision.php b/includes/Revision.php
index a6148c7abf..cad9f2ce59 100644
--- a/includes/Revision.php
+++ b/includes/Revision.php
@@ -1654,9 +1654,13 @@ class Revision implements IDBAccessObject {
 	 *                               self::DELETED_COMMENT = File::DELETED_COMMENT,
 	 *                               self::DELETED_USER = File::DELETED_USER
 	 * @param User|null $user User object to check, or null to use $wgUser
+	 * @param Title|null $title A Title object to check for per-page restrictions on,
+	 *                          instead of just plain userrights
 	 * @return bool
 	 */
-	public static function userCanBitfield( $bitfield, $field, User $user = null ) {
+	public static function userCanBitfield( $bitfield, $field, User $user = null ,
+		Title $title = null
+	) {
 		if ( $bitfield & $field ) { // aspect is deleted
 			if ( $user === null ) {
 				global $wgUser;
@@ -1670,8 +1674,19 @@ class Revision implements IDBAccessObject {
 				$permissions = array( 'deletedhistory' );
 			}
 			$permissionlist = implode( ', ', $permissions );
-			wfDebug( "Checking for $permissionlist due to $field match on $bitfield\n" );
-			return call_user_func_array( array( $user, 'isAllowedAny' ), $permissions );
+			if ( $title === null ) {
+				wfDebug( "Checking for $permissionlist due to $field match on $bitfield\n" );
+				return call_user_func_array( array( $user, 'isAllowedAny' ), $permissions );
+			} else {
+				$text = $title->getPrefixedText();
+				wfDebug( "Checking for $permissionlist on $text due to $field match on $bitfield\n" );
+				foreach( $permissions as $perm ) {
+					if ( $title->userCan( $perm, $user ) ) {
+						return true;
+					}
+				}
+				return false;
+			}
 		} else {
 			return true;
 		}
-- 
2.20.1