Added Application Session

src/lib/classes/app-sessions.ts

@@ -0,0 +1,56 @@
+import type { Cookies } from "@sveltejs/kit";
+import { SessionApp, type Session } from "./sessions";
+import { UserApp, type User } from "./users";
+import { JoseSingleton } from "$lib/utils/jtw-utils";
+
+export class AppData {
+
+    public session: Session
+    public user: User
+
+    public constructor(
+        session: Session,
+        user: User
+    ) {
+        this.session = session
+        this.user = user
+    }
+
+
+    public async toCookie() {
+
+        const signedSession = await JoseSingleton.signObject(this.session)
+        const encodedSession = btoa(signedSession)
+
+        return encodedSession
+    }
+
+    public static async extractAppDataFromCookies(cookies: Cookies) {
+
+        const encodedSessionToken = cookies.get("session")
+
+        if (!encodedSessionToken) {
+            return null
+        }
+
+        const decodedSessionToken = atob(encodedSessionToken)
+
+        const sessionToken = await JoseSingleton.verifyObject(decodedSessionToken)
+
+        const session = SessionApp.getSessionFromToken(sessionToken)
+
+        if (!session) {
+            return null
+        }
+
+        const user = UserApp.getUserFromSession(
+            session
+        )
+
+        return new AppData(
+            session, 
+            user
+        )
+    }
+
+}