Merge pull request #14 from pointybeard/master

Added IP Whitelist Feature

extension.driver.php

@@ -74,6 +74,14 @@ public function appendPreferences($context) {
 			// Append help
 			$group->appendChild(new XMLElement('p', __('Maintenance mode will redirect all visitors, other than developers, to the specified maintenance page. To specify a maintenance page, give a page a type of <code>maintenance</code>'), array('class' => 'help')));
 
+			// IP White list
+			$label = Widget::Label(__('IP Whitelist'));
+			$label->appendChild(Widget::Input('settings[maintenance_mode][ip_whitelist]', Symphony::Configuration()->get('ip_whitelist', 'maintenance_mode')));
+			$group->appendChild($label);
+
+			// Append help
+			$group->appendChild(new XMLElement('p', __('Any user that has an IP listed above will be granted access. This eliminates the need to allow a user backend access. Separate each with a space.'), array('class' => 'help')));
+
 			// Append new preference group
 			$context['wrapper']->appendChild($group);
 		}
@@ -170,6 +178,13 @@ public function __appendType($context) {
 		public function __checkForMaintenanceMode($context) {
 			if(!Symphony::Engine()->isLoggedIn() && Symphony::Configuration()->get('enabled', 'maintenance_mode') == 'yes'){
 
+				// Check the IP white list
+				$whitelist = Symphony::Configuration()->get('ip_whitelist', 'maintenance_mode');
+				if(strlen(trim($whitelist)) > 0){
+					$whitelist = explode(' ', $whitelist);
+					if(in_array($_SERVER['REMOTE_ADDR'], $whitelist)) return;
+				}
+
 				// Find custom maintenance page
 				$row = PageManager::fetchPageByType('maintenance');