外链跳转

2026-06-18 18:42:26 +08:00
parent b066a94ce3
commit 41854a128d
5 changed files with 346 additions and 0 deletions
@@ -0,0 +1,45 @@
+(() => {
+  const redirectPath = '/go/';
+  const urlParams = new URLSearchParams(window.location.search);
+
+  if (window.location.pathname === redirectPath || window.location.pathname === '/go') return;
+  if (urlParams.get('noExternalRedirect') === '1') return;
+
+  function getExternalUrl(anchor) {
+    const href = anchor.getAttribute('href');
+    if (!href || href.startsWith('#')) return null;
+
+    let targetUrl;
+    try {
+      targetUrl = new URL(href, window.location.href);
+    } catch {
+      return null;
+    }
+
+    if (!['http:', 'https:'].includes(targetUrl.protocol)) return null;
+    if (targetUrl.origin === window.location.origin) return null;
+
+    return targetUrl.href;
+  }
+
+  document.addEventListener('click', (event) => {
+    const anchor = event.target.closest?.('a[href]');
+    if (!anchor) return;
+    if (event.defaultPrevented || event.button !== 0 || event.metaKey || event.ctrlKey || event.shiftKey || event.altKey) return;
+
+    const externalUrl = getExternalUrl(anchor);
+    if (!externalUrl) return;
+
+    event.preventDefault();
+
+    const redirectUrl = `${redirectPath}?url=${encodeURIComponent(externalUrl)}`;
+    const target = anchor.getAttribute('target');
+
+    if (target && target !== '_self') {
+      window.open(redirectUrl, target, 'noopener,noreferrer');
+      return;
+    }
+
+    window.location.href = redirectUrl;
+  });
+})();