From 490e35598dfa406d9acd886b85e3ae7e9260e27e Mon Sep 17 00:00:00 2001
From: Tim Starling <tstarling@wikimedia.org>
Date: Thu, 16 May 2019 14:36:45 +1000
Subject: [PATCH] Add rest.php (REST API endpoint) with feature flag

Change-Id: I0f9aaa9cc81f93c00f7a28041615d7290b453803
---
 includes/DefaultSettings.php |  7 +++++++
 includes/Rest/EntryPoint.php |  6 ++++++
 rest.php                     | 28 ++++++++++++++++++++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 rest.php

diff --git a/includes/DefaultSettings.php b/includes/DefaultSettings.php
index a32af365d0..ce53060fba 100644
--- a/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@ -8299,6 +8299,13 @@ $wgCrossSiteAJAXdomains = [];
  */
 $wgCrossSiteAJAXdomainExceptions = [];
 
+/**
+ * Enable the experimental REST API.
+ *
+ * This will be removed once the REST API is stable and used by clients.
+ */
+$wgEnableRestAPI = false;
+
 /** @} */ # End AJAX and API }
 
 /************************************************************************//**
diff --git a/includes/Rest/EntryPoint.php b/includes/Rest/EntryPoint.php
index 40d0b4a2f8..a14c1a1294 100644
--- a/includes/Rest/EntryPoint.php
+++ b/includes/Rest/EntryPoint.php
@@ -32,6 +32,12 @@ class EntryPoint {
 		$services = MediaWikiServices::getInstance();
 		$conf = $services->getMainConfig();
 
+		if ( !$conf->get( 'EnableRestAPI' ) ) {
+			wfHttpError( 403, 'Access Denied',
+				'Set $wgEnableRestAPI to true to enable the experimental REST API' );
+			return;
+		}
+
 		$request = new RequestFromGlobals( [
 			'cookiePrefix' => $conf->get( 'CookiePrefix' )
 		] );
diff --git a/rest.php b/rest.php
new file mode 100644
index 0000000000..3ac532e43d
--- /dev/null
+++ b/rest.php
@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * This is the entry point for the REST API.
+ *
+ * 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
+ */
+
+use MediaWiki\Rest\EntryPoint;
+
+require __DIR__ . '/includes/WebStart.php';
+
+EntryPoint::main();
-- 
2.20.1