From a0a13b3a1b5b654ad36a25c4785cab539555840a Mon Sep 17 00:00:00 2001
From: Leo Kettmeir <crowlkats@toaxl.com>
Date: Wed, 8 Jun 2022 17:52:23 +0200
Subject: [PATCH] fix(http/upgradewebsocket): check for open state for idle
 timeout (#14813)

---
 ext/websocket/01_websocket.js | 48 ++++++++++++++++++++---------------
 1 file changed, 28 insertions(+), 20 deletions(-)

diff --git a/ext/websocket/01_websocket.js b/ext/websocket/01_websocket.js
index 3585256fc6..8c407dff8d 100644
--- a/ext/websocket/01_websocket.js
+++ b/ext/websocket/01_websocket.js
@@ -481,28 +481,36 @@
       if (this[_idleTimeoutDuration]) {
         clearTimeout(this[_idleTimeoutTimeout]);
         this[_idleTimeoutTimeout] = setTimeout(async () => {
-          await core.opAsync("op_ws_send", this[_rid], {
-            kind: "ping",
-          });
-          this[_idleTimeoutTimeout] = setTimeout(async () => {
-            this[_readyState] = CLOSING;
-            const reason = "No response from ping frame.";
-            await core.opAsync("op_ws_close", this[_rid], 1001, reason);
-            this[_readyState] = CLOSED;
-
-            const errEvent = new ErrorEvent("error", {
-              message: reason,
+          if (this[_readyState] === OPEN) {
+            await core.opAsync("op_ws_send", this[_rid], {
+              kind: "ping",
             });
-            this.dispatchEvent(errEvent);
+            this[_idleTimeoutTimeout] = setTimeout(async () => {
+              if (this[_readyState] === OPEN) {
+                this[_readyState] = CLOSING;
+                const reason = "No response from ping frame.";
+                await core.opAsync("op_ws_close", this[_rid], 1001, reason);
+                this[_readyState] = CLOSED;
 
-            const event = new CloseEvent("close", {
-              wasClean: false,
-              code: 1001,
-              reason,
-            });
-            this.dispatchEvent(event);
-            core.tryClose(this[_rid]);
-          }, (this[_idleTimeoutDuration] / 2) * 1000);
+                const errEvent = new ErrorEvent("error", {
+                  message: reason,
+                });
+                this.dispatchEvent(errEvent);
+
+                const event = new CloseEvent("close", {
+                  wasClean: false,
+                  code: 1001,
+                  reason,
+                });
+                this.dispatchEvent(event);
+                core.tryClose(this[_rid]);
+              } else {
+                clearTimeout(this[_idleTimeoutTimeout]);
+              }
+            }, (this[_idleTimeoutDuration] / 2) * 1000);
+          } else {
+            clearTimeout(this[_idleTimeoutTimeout]);
+          }
         }, (this[_idleTimeoutDuration] / 2) * 1000);
       }
     }