1 files changed, 24 insertions, 0 deletions
diff --git a/assets/php/vendor/ratchet/rfc6455/src/Messaging/CloseFrameChecker.php b/assets/php/vendor/ratchet/rfc6455/src/Messaging/CloseFrameChecker.php
new file mode 100644
index 0000000..3d800e5
--- /dev/null
+++ b/assets/php/vendor/ratchet/rfc6455/src/Messaging/CloseFrameChecker.php
@@ -0,0 +1,24 @@
+<?php
+namespace Ratchet\RFC6455\Messaging;
+
+class CloseFrameChecker {
+    private $validCloseCodes = [];
+
+    public function __construct() {
+        $this->validCloseCodes = [
+            Frame::CLOSE_NORMAL,
+            Frame::CLOSE_GOING_AWAY,
+            Frame::CLOSE_PROTOCOL,
+            Frame::CLOSE_BAD_DATA,
+            Frame::CLOSE_BAD_PAYLOAD,
+            Frame::CLOSE_POLICY,
+            Frame::CLOSE_TOO_BIG,
+            Frame::CLOSE_MAND_EXT,
+            Frame::CLOSE_SRV_ERR,
+        ];
+    }
+
+    public function __invoke($val) {
+        return ($val >= 3000 && $val <= 4999) || in_array($val, $this->validCloseCodes);
+    }
+}