fix payement link and gallery image

apps/payments/link_views.py

@@ -15,7 +15,8 @@ from .models import PaymentAccessLink
 @never_cache
 @require_http_methods(['GET', 'POST'])
 def open_link(request, token):
-    link = access.active_links().filter(token_hash=access.token_digest(token)).first() if re.fullmatch(r'[A-Za-z0-9_-]{43}', token) else None
+    # Keep previously issued long links valid until their original expiry/revocation.
+    link = access.active_links().filter(token_hash=access.token_digest(token)).first() if re.fullmatch(r'(?:[a-z0-9]{10}|[A-Za-z0-9_-]{43})', token) else None
     if link is None:
         return access.unavailable_link(request)
     if request.user.is_authenticated and request.user.pk != link.customer_id: