From 7c91c699e4b6d687d56bf3bd976ef020a589ad11 Mon Sep 17 00:00:00 2001
From: Aaron Liu <abslant.liu@gmail.com>
Date: Thu, 8 May 2025 19:16:51 +0800
Subject: [PATCH] fix: use regexp to explictly identify custom schem apps
 (https://github.com/cloudreve/Cloudreve/issues/2343)

---
 src/redux/thunks/viewer.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/redux/thunks/viewer.ts b/src/redux/thunks/viewer.ts
index 29aa9fb..5ebbbd3 100644
--- a/src/redux/thunks/viewer.ts
+++ b/src/redux/thunks/viewer.ts
@@ -282,8 +282,8 @@ export function openCustomViewer(file: FileResponse, viewer: Viewer, preferredVe
       url = url.replace(`{$${key}}`, vars[key]);
     }
 
-    // if not start with http or https, it's a custom scheme
-    if (!url.startsWith("http") && !url.startsWith("https")) {
+    // if url matches custom scheme pattern like nplayer://xxx, use window.location.assign
+    if (/^(?!https?:\/\/)[a-zA-Z0-9]+:\/\//.test(url)) {
       window.location.assign(url);
       return;
     }