♻️ refactor(redis): disable automatic deserialization in upstash provider (#11210)

src/app/(backend)/f/[id]/route.ts

@@ -43,8 +43,8 @@ export const GET = async (_req: Request, segmentData: { params: Params }) => {
 
     const cacheKey = buildCacheKey(id);
     if (redisClient) {
-      // Upstash Redis auto-deserializes JSON, so cached is already an object
-      const cached = (await redisClient.get(cacheKey)) as CachedFileData | null;
+      const cachedStr = await redisClient.get(cacheKey);
+      const cached = cachedStr ? (JSON.parse(cachedStr) as CachedFileData) : null;
       if (cached?.redirectUrl) {
         log('Cache hit for file: %s', id);
         return Response.redirect(cached.redirectUrl, 302);

src/libs/better-auth/define-config.ts

@@ -64,10 +64,7 @@ const enabledSSOProviders = parseSSOProviders(authEnv.AUTH_SSO_PROVIDERS);
 const { socialProviders, genericOAuthProviders } = initBetterAuthSSOProviders();
 
 async function customEmailValidator(email: string): Promise<boolean> {
-  if (ENABLE_BUSINESS_FEATURES && !(await businessEmailValidator(email))) {
-    return false;
-  }
-  return validateEmail(email);
+  return ENABLE_BUSINESS_FEATURES ? businessEmailValidator(email) : validateEmail(email);
 }
 
 interface CustomBetterAuthOptions {

src/libs/redis/upstash.ts

@@ -25,7 +25,10 @@ export class UpstashRedisProvider implements BaseRedisProvider {
   constructor(options: UpstashConfig | RedisConfigNodejs) {
     const { prefix, ...clientOptions } = options as UpstashConfig & RedisConfigNodejs;
     this.prefix = prefix ? `${prefix}:` : '';
-    this.client = new Redis(clientOptions as RedisConfigNodejs);
+    this.client = new Redis({
+      ...clientOptions,
+      automaticDeserialization: false,
+    } as RedisConfigNodejs);
   }
 
   /**