From 6980857435816ff050b9bcb5691df5a22bc02610 Mon Sep 17 00:00:00 2001
From: Aryeh Gregor <simetrical@users.mediawiki.org>
Date: Mon, 6 Nov 2006 04:38:50 +0000
Subject: [PATCH] (bug 98) Prohibit corner-case where it might be possible to
 create a page beginning with a forward slash.  Patch by Werdna.

---
 RELEASE-NOTES      |  2 ++
 includes/Title.php | 12 +++++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index f5f17fb6de..fd7d96aaeb 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -146,6 +146,8 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * Allow case-sensitive URLs to be used for uploading from URLs.
 * (bug 1109) Correct fix for compressed 304 responses when additional output
   buffers have been installed within the compression handler
+* (bug 98) Prohibit corner-case where it might be possible to create a page
+  beginning with a forward slash.
 
 
 == Languages updated ==
diff --git a/includes/Title.php b/includes/Title.php
index b81b63176b..55bda5c9fc 100644
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -1551,6 +1551,16 @@ class Title {
 			return false;
 		}
 
+		/**
+		 * Pages whose titles start with / can confuse webservers
+		 * and proxies. They can be unreachable with the pretty
+		 * URLs. Forbid them explicitly.
+		*/
+		if ( strpos( $r, '/') === 0 )
+		{
+			return false;
+		}
+
 		# We shouldn't need to query the DB for the size.
 		#$maxSize = $dbr->textFieldSize( 'page', 'page_title' );
 		if ( strlen( $r ) > 255 ) {
@@ -2298,7 +2308,7 @@ class Title {
 	 * @deprecated use DependencyWrapper
 	 */
 	function getRelatedCache( $memc, $key, $expiry, $callback, $params = array() ) {
-		return DependencyWrapper::getValueFromCache( $memc, $key, $expiry, $callback, 
+		return DependencyWrapper::getValueFromCache( $memc, $key, $expiry, $callback,
 			$params, new TitleDependency( $this ) );
 	}
 
-- 
2.20.1