Merge pull request #1160 from ryanpetrello/fix-old-rrule-dtstart

add a few schedule RRULE parsing improvements
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Ryan Petrello 2018-02-08 09:47:59 -05:00 committed by GitHub
commit c1d0768e37
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3 changed files with 11 additions and 8 deletions

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@ -3887,6 +3887,7 @@ class SchedulePreviewSerializer(BaseSerializer):
# - BYYEARDAY
# - BYWEEKNO
# - Multiple DTSTART or RRULE elements
# - Can't contain both COUNT and UNTIL
# - COUNT > 999
def validate_rrule(self, value):
rrule_value = value
@ -3921,6 +3922,8 @@ class SchedulePreviewSerializer(BaseSerializer):
raise serializers.ValidationError(_("BYYEARDAY not supported."))
if 'byweekno' in rrule_value.lower():
raise serializers.ValidationError(_("BYWEEKNO not supported."))
if 'COUNT' in rrule_value and 'UNTIL' in rrule_value:
raise serializers.ValidationError(_("RRULE may not contain both COUNT and UNTIL"))
if match_count:
count_val = match_count.groups()[0].strip().split("=")
if int(count_val[1]) > 999:

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@ -150,14 +150,13 @@ class Schedule(CommonModel, LaunchTimeConfig):
# > UTC time.
raise ValueError('RRULE UNTIL values must be specified in UTC')
try:
first_event = x[0]
if first_event < now() - datetime.timedelta(days=365 * 5):
# For older DTSTART values, if there are more than 1000 recurrences...
if len(x[:1001]) > 1000:
raise ValueError('RRULE values that yield more than 1000 events are not allowed.')
except IndexError:
pass
if 'MINUTELY' in rrule or 'HOURLY' in rrule:
try:
first_event = x[0]
if first_event < now() - datetime.timedelta(days=365 * 5):
raise ValueError('RRULE values with more than 1000 events are not allowed.')
except IndexError:
pass
return x
def __unicode__(self):

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@ -66,6 +66,7 @@ def test_valid_survey_answer(post, admin_user, project, inventory, survey_spec_f
("DTSTART:20300308T050000Z RRULE:FREQ=YEARLY;INTERVAL=1;BYWEEKNO=20", "BYWEEKNO not supported"),
("DTSTART:20300308T050000Z RRULE:FREQ=DAILY;INTERVAL=1;COUNT=2000", "COUNT > 999 is unsupported"), # noqa
("DTSTART:20300308T050000Z RRULE:FREQ=REGULARLY;INTERVAL=1", "rrule parsing failed validation: invalid 'FREQ': REGULARLY"), # noqa
("DTSTART:20030925T104941Z RRULE:FREQ=DAILY;INTERVAL=10;COUNT=500;UNTIL=20040925T104941Z", "RRULE may not contain both COUNT and UNTIL"), # noqa
("DTSTART;TZID=America/New_York:20300308T050000Z RRULE:FREQ=DAILY;INTERVAL=1", "rrule parsing failed validation"),
("DTSTART:20300308T050000 RRULE:FREQ=DAILY;INTERVAL=1", "DTSTART cannot be a naive datetime"),
("DTSTART:19700101T000000Z RRULE:FREQ=MINUTELY;INTERVAL=1", "more than 1000 events are not allowed"), # noqa