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Complete rrule validation

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Matthew Jones
2014-04-01 11:22:27 -04:00
parent a9e499c1af
commit 7bc7362299
1 changed files with 18 additions and 2 deletions
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20
awx/api/serializers.py
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@@ -1360,21 +1360,37 @@ class ScheduleSerializer(BaseSerializer):
# - DTSTART is not include # - DTSTART is not include
# - INTERVAL is not included # - INTERVAL is not included
# - TZID is used # - TZID is used
# - multiple BYDAY (except WEEKLY), BYMONTHDAY, BYMONTH # - multiple BYDAY (except WEEKLY and YEARLY (see below)), BYMONTHDAY, BYMONTH
# - multiple BYDAY yearly unless it lists all weekdays OR weekend days
# - BYDAY prefixed with a number (MO is good but not 20MO) # - BYDAY prefixed with a number (MO is good but not 20MO)
# - BYYEARDAY # - BYYEARDAY
# - BYWEEKNO # - BYWEEKNO
def validate_rrule(self, attrs, source): def validate_rrule(self, attrs, source):
rrule_value = attrs[source] rrule_value = attrs[source]
multi_by_day = ".*?BYDAY[\:\=][a-zA-Z]{2},[a-zA-Z]{2}"
multi_by_month_day = ".*?BYMONTHDAY[\:\=][0-9]+,-*[0-9]+"
multi_by_month = ".*?BYMONTH[\:\=][0-9]+,[0-9]+"
by_day_with_numeric_prefix = ".*?BYDAY[\:\=][0-9]+[a-zA-Z]{2}"
if not re.match("DTSTART[\:\=][0-9]+T[0-9]+Z", rrule_value): if not re.match("DTSTART[\:\=][0-9]+T[0-9]+Z", rrule_value):
raise serializers.ValidationError('DTSTART required in rrule, value should match: DTSTART:YYYYMMDDTHHMMSSZ') raise serializers.ValidationError('DTSTART required in rrule, value should match: DTSTART:YYYYMMDDTHHMMSSZ')
if not 'interval' in rrule_value.lower(): if not 'interval' in rrule_value.lower():
raise serializers.ValidationError('INTERVAL required in rrule') raise serializers.ValidationError('INTERVAL required in rrule')
if 'tzid' in rrule_value.lower(): if 'tzid' in rrule_value.lower():
raise serializers.ValidationError('TZID is not supported') raise serializers.ValidationError('TZID is not supported')
if 'secondly' in rrule_value.lower(): if 'secondly' in rrule_value.lower():
raise serializers.ValidationError('SECONDLY is not supported') raise serializers.ValidationError('SECONDLY is not supported')
if re.match(multi_by_month_day, rrule_value):
raise serializers.ValidationError('Multiple BYMONTHDAYs not supported')
if re.match(multi_by_month, rrule_value):
raise serializers.ValidationError('Multiple BYMONTHs not supported')
if re.match(by_day_with_numeric_prefix, rrule_value):
raise serializers.ValidationError("BYDAY with numeric prefix not supported")
if 'byyearday' in rrule_value.lower():
raise serializers.ValidationError("BYYEARDAY not supported")
if 'byweekno' in rrule_value.lower():
raise serializers.ValidationError("BYWEEKNO not supported")
if re.match(multi_by_day, rrule_value) and not re.match(".*?FREQ[\:\=](WEEKLY|YEARLY)", rrule_value):
raise serializers.ValidationError("Multiple BYDAY elements only supported with WEEKLY and YEARLY frequency")
try: try:
sched_rule = rrule.rrulestr(rrule_value) sched_rule = rrule.rrulestr(rrule_value)
except Exception, e: except Exception, e: