Update VERSION to 0.5.2 in wrangler.toml

Update username validation regex to allow periods (.) in addition to alphanumeric characters and dashes. Usernames must still start and end with alphanumeric characters.

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@xtr-dev/rondevu-server",
-  "version": "0.5.0",
+  "version": "0.5.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@xtr-dev/rondevu-server",
-      "version": "0.5.0",
+      "version": "0.5.2",
       "dependencies": {
         "@hono/node-server": "^1.19.6",
         "@noble/ed25519": "^3.0.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xtr-dev/rondevu-server",
-  "version": "0.5.0",
+  "version": "0.5.2",
   "description": "DNS-like WebRTC signaling server with username claiming and service discovery",
   "main": "dist/index.js",
   "scripts": {

src/crypto.ts

@@ -5,6 +5,7 @@
  */
 
 import * as ed25519 from '@noble/ed25519';
+import { Buffer } from 'node:buffer';
 
 // Set SHA-512 hash function for ed25519 (required in @noble/ed25519 v3+)
 // Uses Web Crypto API (compatible with both Node.js and Cloudflare Workers)
@@ -13,7 +14,7 @@ ed25519.hashes.sha512Async = async (message: Uint8Array) => {
 };
 
 // Username validation
-const USERNAME_REGEX = /^[a-z0-9][a-z0-9-]*[a-z0-9]$/;
+const USERNAME_REGEX = /^[a-z0-9][a-z0-9.-]*[a-z0-9]$/;
 const USERNAME_MIN_LENGTH = 3;
 const USERNAME_MAX_LENGTH = 32;
 
@@ -34,20 +35,18 @@ export function generateAnonymousUsername(): string {
 
 /**
  * Convert Uint8Array to base64 string
+ * Uses Buffer for compatibility with Node.js-based clients
  */
 function bytesToBase64(bytes: Uint8Array): string {
-  const binString = Array.from(bytes, (byte) =>
-    String.fromCodePoint(byte)
-  ).join('');
-  return btoa(binString);
+  return Buffer.from(bytes).toString('base64');
 }
 
 /**
  * Convert base64 string to Uint8Array
+ * Uses Buffer for compatibility with Node.js-based clients
  */
 function base64ToBytes(base64: string): Uint8Array {
-  const binString = atob(base64);
-  return Uint8Array.from(binString, (char) => char.codePointAt(0)!);
+  return new Uint8Array(Buffer.from(base64, 'base64'));
 }
 
 /**

wrangler.toml

@@ -17,7 +17,7 @@ OFFER_MIN_TTL = "60000"  # Min offer TTL: 1 minute
 MAX_OFFERS_PER_REQUEST = "100"  # Max offers per request
 MAX_TOPICS_PER_OFFER = "50"  # Max topics per offer
 CORS_ORIGINS = "*"  # Comma-separated list of allowed origins
-VERSION = "0.4.0"  # Semantic version
+VERSION = "0.5.2"  # Semantic version
 
 # AUTH_SECRET should be set as a secret, not a var
 # Run: npx wrangler secret put AUTH_SECRET