feat: closes #7583

install/data/defaults.json

@@ -95,6 +95,7 @@
     "feeds:disableSitemap": 0,
     "sitemapTopics": 500,
     "maintenanceMode": 0,
+    "maintenanceModeStatus": 503,
     "votesArePublic": 0,
     "maximumInvites": 0,
     "username:disableEdit": 0,

public/language/en-GB/admin/settings/advanced.json

@@ -1,6 +1,7 @@
 {
 	"maintenance-mode": "Maintenance Mode",
 	"maintenance-mode.help": "When the forum is in maintenance mode, all requests will be redirected to a static holding page. Administrators are exempt from this redirection, and are able to access the site normally.",
+	"maintenance-mode.status": "Maintenance Mode Status Code",
 	"maintenance-mode.message": "Maintenance Message",
 	"headers": "Headers",
 	"headers.allow-from": "Set ALLOW-FROM to Place NodeBB in an iFrame",

src/middleware/maintenance.js

@@ -24,7 +24,7 @@ module.exports = function (middleware) {
 				if (isAdmin) {
 					return callback();
 				}
-				res.status(503);
+				res.status(meta.config.maintenanceModeStatus);
 				data = {
 					site_title: meta.config.title || 'NodeBB',
 					message: meta.config.maintenanceModeMessage,

src/views/admin/settings/advanced.tpl

@@ -13,6 +13,10 @@
 			<p class="help-block">
 				[[admin/settings/advanced:maintenance-mode.help]]
 			</p>
+			<div class="form-group">
+				<label for="maintenanceModeStatus">[[admin/settings/advanced:maintenance-mode.status]]</label>
+				<input class="form-control" type="text" data-field="maintenanceModeStatus">
+			</div>
 			<div class="form-group">
 				<label for="maintenanceModeMessage">[[admin/settings/advanced:maintenance-mode.message]]</label>
 				<textarea class="form-control" data-field="maintenanceModeMessage"></textarea>