Update server/index.js

server/index.js

@@ -145,6 +145,18 @@ function respondTextUploadTooLarge(res) {
 }
 
 async function verifyTurnstileToken(token, remoteIp) {
+  for (let attempt = 1; attempt <= 2; attempt++) {
+    try {
+      return await verifyOnce(token, remoteIp);
+    } catch (e) {
+      const isTimeout = e?.name === 'AbortError' || e?.cause?.code === 'UND_ERR_CONNECT_TIMEOUT';
+      if (!isTimeout || attempt === 2) throw e;
+      await new Promise(r => setTimeout(r, 500 * attempt));
+    }
+  }
+}
+
+async function verifyOnce(token, remoteIp) {
   const secret = process.env.TURNSTILE_SECRET_KEY;
   if (!token || !secret) throw new Error('Missing token or server not configured');
 
@@ -154,7 +166,7 @@ async function verifyTurnstileToken(token, remoteIp) {
   if (remoteIp) params.append('remoteip', remoteIp);
 
   const controller = new AbortController();
-  const timeout = setTimeout(() => controller.abort(), 30000); // 30s
+  const timeout = setTimeout(() => controller.abort(), 30000);
 
   try {
     const res = await fetch('https://challenges.cloudflare.com/turnstile/v0/siteverify', {
@@ -169,8 +181,6 @@ async function verifyTurnstileToken(token, remoteIp) {
   }
 }
 
-
-
 function loadStoredSHA() {
   try {
     if (!fs.existsSync(DATA_DIR)) fs.mkdirSync(DATA_DIR, { recursive: true });