Point bridge download to GitHub

server/utils/bridge.ts

@@ -0,0 +1,14 @@
+export function normalizeBridgeToken(input: unknown) {
+  if (typeof input !== 'string') {
+    return null
+  }
+  const token = input.trim()
+  if (!token) {
+    return null
+  }
+  if (token.length < 8 || token.length > 256) {
+    return null
+  }
+  return token
+}
+