first commit

files/modules/users/token_service.py

@@ -0,0 +1,14 @@
+import secrets
+from datetime import datetime, timedelta
+
+
+def generate_token():
+    return secrets.token_urlsafe(48)
+
+
+def expiration(hours=24):
+    return datetime.utcnow() + timedelta(hours=hours)
+
+
+def is_expired(expire_dt):
+    return not expire_dt or expire_dt < datetime.utcnow()