Added 'websocket' SockJS method which returns 426 Upgrade Required

Author: kakserpom

PHPDaemon/Servers/WebSocket/Connection.php

@@ -393,7 +393,7 @@ protected function httpProcessHeaders() {
 		if (!isset($this->server['HTTP_CONNECTION'])
 				|| (!preg_match('~(?:^|\W)Upgrade(?:\W|$)~i', $this->server['HTTP_CONNECTION'])) // "Upgrade" is not always alone (ie. "Connection: Keep-alive, Upgrade")
 				|| !isset($this->server['HTTP_UPGRADE'])
-				|| (strtolower($this->server['HTTP_UPGRADE']) !== 'websocket') // Lowercase compare important
+				|| (strtolower($this->server['HTTP_UPGRADE']) !== 'websocket') // Lowercase comparison iss important
 		) {
 			$this->finish();
 			return false;

PHPDaemon/SockJS/Methods/Websocket.php

@@ -0,0 +1,30 @@
+<?php
+namespace PHPDaemon\SockJS\Methods;
+
+use PHPDaemon\Core\Daemon;
+use PHPDaemon\Core\Debug;
+use PHPDaemon\Utils\Crypt;
+
+/**
+ * @package    Libraries
+ * @subpackage SockJS
+ * @author     Vasily Zorin <[email protected]>
+ */
+class Websocket extends Generic {
+	protected $contentType = 'text/plain';
+
+	/**
+	 * Constructor
+	 * @return void
+	 */
+	public function init() {
+		$this->header('426 Upgrade Required');
+		$this->finish();
+	}
+
+	/**
+	 * Called when request iterated
+	 * @return void
+	 */
+	public function run() {}
+}