Revised Clash config, added modules.

src/authentication/auth.js

@@ -0,0 +1,36 @@
+import { SignJWT, jwtVerify } from 'jose';
+
+export async function generateJWTToken (secretKey) {
+    const secret = new TextEncoder().encode(secretKey);
+    return await new SignJWT({ userID })
+        .setProtectedHeader({ alg: 'HS256' })
+        .setIssuedAt()
+        .setExpirationTime('24h')
+        .sign(secret);
+}
+
+export function generateSecretKey () {
+    const key = nacl.randomBytes(32);
+    return Array.from(key, byte => byte.toString(16).padStart(2, '0')).join('');
+}
+
+export async function Authenticate (request, env) {
+    try {
+        const secretKey = await env.bpb.get('secretKey');
+        const secret = new TextEncoder().encode(secretKey);
+        const cookie = request.headers.get('Cookie')?.match(/(^|;\s*)jwtToken=([^;]*)/);
+        const token = cookie ? cookie[2] : null;
+
+        if (!token) {
+            console.log('Unauthorized: Token not available!');
+            return false;
+        }
+
+        const { payload } = await jwtVerify(token, secret);
+        console.log(`Successfully authenticated, User ID: ${payload.userID}`);
+        return true;
+    } catch (error) {
+        console.log(error);
+        return false;
+    }
+}