First Release of Claw3D (#11)

Co-authored-by: iamlukethedev <iamlukethedev@users.noreply.github.com>

server/access-gate.js

@@ -0,0 +1,56 @@
+const parseCookies = (header) => {
+  const raw = typeof header === "string" ? header : "";
+  if (!raw.trim()) return {};
+  const out = {};
+  for (const part of raw.split(";")) {
+    const idx = part.indexOf("=");
+    if (idx === -1) continue;
+    const key = part.slice(0, idx).trim();
+    const value = part.slice(idx + 1).trim();
+    if (!key) continue;
+    out[key] = value;
+  }
+  return out;
+};
+
+function createAccessGate(options) {
+  const token = String(options?.token ?? "").trim();
+  const cookieName = String(options?.cookieName ?? "studio_access").trim() || "studio_access";
+
+  const enabled = Boolean(token);
+
+  const isAuthorized = (req) => {
+    if (!enabled) return true;
+    const cookieHeader = req.headers?.cookie;
+    const cookies = parseCookies(cookieHeader);
+    return cookies[cookieName] === token;
+  };
+
+  const handleHttp = (req, res) => {
+    if (!enabled) return false;
+    if (String(req.url || "/").startsWith("/api/")) {
+      if (!isAuthorized(req)) {
+        res.statusCode = 401;
+        res.setHeader("Content-Type", "application/json");
+        res.end(
+          JSON.stringify({
+            error: "Studio access token required. Send the configured Studio access cookie and retry.",
+          })
+        );
+        return true;
+      }
+    }
+
+    return false;
+  };
+
+  const allowUpgrade = (req) => {
+    if (!enabled) return true;
+    return isAuthorized(req);
+  };
+
+  return { enabled, handleHttp, allowUpgrade };
+}
+
+module.exports = { createAccessGate };
+