fix: reject COUNT rules without DTSTART so limited automations cannot run forever (#27781)

2026-08-12 01:08:55 -06:00
parent 783e87c0c5
commit 2ab0311b99
2 changed files with 6 additions and 0 deletions
@@ -124,6 +124,9 @@ def validate_rrule(s: str, tz: str = None) -> None:
    clock so that near-future schedules are not incorrectly rejected
    on servers whose system clock is ahead (e.g. UTC vs US timezones).
    """
+    upper = s.upper()
+    if 'COUNT=' in upper and 'DTSTART' not in upper:
+        raise ValueError(ERROR_MESSAGES.AUTOMATION_COUNT_REQUIRES_DTSTART)
    zi = _resolve_tz(tz)
    now = datetime.now(zi).replace(tzinfo=None) if zi else datetime.now()
    try: