diff options
Diffstat (limited to 'vendor/sabre/vobject/lib/Recur/RRuleIterator.php')
| -rw-r--r-- | vendor/sabre/vobject/lib/Recur/RRuleIterator.php | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/vendor/sabre/vobject/lib/Recur/RRuleIterator.php b/vendor/sabre/vobject/lib/Recur/RRuleIterator.php index d556aa6c3..4f0e9070d 100644 --- a/vendor/sabre/vobject/lib/Recur/RRuleIterator.php +++ b/vendor/sabre/vobject/lib/Recur/RRuleIterator.php @@ -25,6 +25,13 @@ use Sabre\VObject\Property; class RRuleIterator implements Iterator { /** + * Constant denoting the upper limit on how long into the future + * we want to iterate. The value is a unix timestamp and currently + * corresponds to the datetime 9999-12-31 11:59:59 UTC. + */ + const dateUpperLimit = 253402300799; + + /** * Creates the Iterator. * * @param string|array $rrule @@ -366,6 +373,12 @@ class RRuleIterator implements Iterator // Current hour of the day $currentHour = $this->currentDate->format('G'); + + if ($this->currentDate->getTimestamp() > self::dateUpperLimit) { + $this->currentDate = null; + + return; + } } while ( ($this->byDay && !in_array($currentDay, $recurrenceDays)) || ($this->byHour && !in_array($currentHour, $recurrenceHours)) || @@ -486,7 +499,7 @@ class RRuleIterator implements Iterator // To prevent running this forever (better: until we hit the max date of DateTimeImmutable) we simply // stop at 9999-12-31. Looks like the year 10000 problem is not solved in php .... - if ($this->currentDate->getTimestamp() > 253402300799) { + if ($this->currentDate->getTimestamp() > self::dateUpperLimit) { $this->currentDate = null; return; @@ -589,11 +602,12 @@ class RRuleIterator implements Iterator // loop through all YearDay and Days to check all the combinations foreach ($this->byYearDay as $byYearDay) { $date = clone $this->currentDate; - $date = $date->setDate($currentYear, 1, 1); if ($byYearDay > 0) { - $date = $date->add(new \DateInterval('P'.$byYearDay.'D')); + $date = $date->setDate($currentYear, 1, 1); + $date = $date->add(new \DateInterval('P'.($byYearDay - 1).'D')); } else { - $date = $date->sub(new \DateInterval('P'.abs($byYearDay).'D')); + $date = $date->setDate($currentYear, 12, 31); + $date = $date->sub(new \DateInterval('P'.abs($byYearDay + 1).'D')); } if ($date > $this->currentDate && in_array($date->format('N'), $dayOffsets)) { @@ -658,6 +672,14 @@ class RRuleIterator implements Iterator (int) $currentMonth, (int) $currentDayOfMonth ); + + // To prevent running this forever (better: until we hit the max date of DateTimeImmutable) we simply + // stop at 9999-12-31. Looks like the year 10000 problem is not solved in php .... + if ($this->currentDate->getTimestamp() > self::dateUpperLimit) { + $this->currentDate = null; + + return; + } } // If we made it here, it means we got a valid occurrence |