Merge pull request #39061 from nextcloud/backport/31790/stable25

[stable25] Fix creating events with old (< unix time) lastoccurence

2 files changed, 14 insertions, 4 deletions

diff --git a/apps/dav/lib/CalDAV/CalDavBackend.php b/apps/dav/lib/CalDAV/CalDavBackend.php
index f5a502c58f3..cad275be7a8 100644
--- a/apps/dav/lib/CalDAV/CalDavBackend.php
+++ b/apps/dav/lib/CalDAV/CalDavBackend.php
@@ -2712,7 +2712,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 	 * @param string $calendarData
 	 * @return array
 	 */
-	public function getDenormalizedData($calendarData) {
+	public function getDenormalizedData(string $calendarData): array {
 		$vObject = Reader::read($calendarData);
 		$vEvents = [];
 		$componentType = null;
@@ -2726,7 +2726,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 			if ($component->name !== 'VTIMEZONE') {
 				// Finding all VEVENTs, and track them
 				if ($component->name === 'VEVENT') {
-					array_push($vEvents, $component);
+					$vEvents[] = $component;
 					if ($component->DTSTART) {
 						$hasDTSTART = true;
 					}
@@ -2794,7 +2794,7 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
 			'size' => strlen($calendarData),
 			'componentType' => $componentType,
 			'firstOccurence' => is_null($firstOccurrence) ? null : max(0, $firstOccurrence),
-			'lastOccurence' => $lastOccurrence,
+			'lastOccurence' => is_null($lastOccurrence) ? null : max(0, $lastOccurrence),
 			'uid' => $uid,
 			'classification' => $classification
 		];
diff --git a/apps/dav/tests/unit/CalDAV/CalDavBackendTest.php b/apps/dav/tests/unit/CalDAV/CalDavBackendTest.php
index 7cf04ef5e70..3a3bbd1612d 100644
--- a/apps/dav/tests/unit/CalDAV/CalDavBackendTest.php
+++ b/apps/dav/tests/unit/CalDAV/CalDavBackendTest.php
@@ -29,6 +29,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>
  *
  */
+
 namespace OCA\DAV\Tests\unit\CalDAV;
 
 use DateTime;
@@ -652,16 +653,25 @@ EOS;
 		$this->assertEquals($expected, $actual[$key]);
 	}
 
-	public function providesCalDataForGetDenormalizedData() {
+	public function providesCalDataForGetDenormalizedData(): array {
 		return [
 			'first occurrence before unix epoch starts' => [0, 'firstOccurence', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:413F269B-B51B-46B1-AFB6-40055C53A4DC\r\nDTSTAMP:20160309T095056Z\r\nDTSTART;VALUE=DATE:16040222\r\nDTEND;VALUE=DATE:16040223\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:SUMMARY\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
 			'no first occurrence because yearly' => [null, 'firstOccurence', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.1.1//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:413F269B-B51B-46B1-AFB6-40055C53A4DC\r\nDTSTAMP:20160309T095056Z\r\nRRULE:FREQ=YEARLY\r\nSUMMARY:SUMMARY\r\nTRANSP:TRANSPARENT\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
+
 			'last occurrence is max when only last VEVENT in group is weekly' => [(new DateTime(CalDavBackend::MAX_DATE))->getTimestamp(), 'lastOccurence', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.3.0//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nDTSTART;TZID=America/Los_Angeles:20200812T103000\r\nDTEND;TZID=America/Los_Angeles:20200812T110000\r\nDTSTAMP:20200927T180638Z\r\nUID:asdfasdfasdf@google.com\r\nRECURRENCE-ID;TZID=America/Los_Angeles:20200811T123000\r\nCREATED:20200626T181848Z\r\nLAST-MODIFIED:20200922T192707Z\r\nSUMMARY:Weekly 1:1\r\nTRANSP:OPAQUE\r\nEND:VEVENT\r\nBEGIN:VEVENT\r\nDTSTART;TZID=America/Los_Angeles:20200728T123000\r\nDTEND;TZID=America/Los_Angeles:20200728T130000\r\nEXDATE;TZID=America/Los_Angeles:20200818T123000\r\nRRULE:FREQ=WEEKLY;BYDAY=TU\r\nDTSTAMP:20200927T180638Z\r\nUID:asdfasdfasdf@google.com\r\nCREATED:20200626T181848Z\r\nDESCRIPTION:Setting up recurring time on our calendars\r\nLAST-MODIFIED:20200922T192707Z\r\nSUMMARY:Weekly 1:1\r\nTRANSP:OPAQUE\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
+
+			'last occurrence before unix epoch starts' => [0, 'lastOccurence', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.3.0//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nDTSTART;VALUE=DATE:19110324\r\nDTEND;VALUE=DATE:19110325\r\nDTSTAMP:20200927T180638Z\r\nUID:asdfasdfasdf@google.com\r\nCREATED:20200626T181848Z\r\nDESCRIPTION:Very old event\r\nLAST-MODIFIED:20200922T192707Z\r\nSUMMARY:Some old event\r\nTRANSP:OPAQUE\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
+
 			'first occurrence is found when not first VEVENT in group' => [(new DateTime('2020-09-01T110000', new DateTimeZone("America/Los_Angeles")))->getTimestamp(), 'firstOccurence', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//Sabre//Sabre VObject 4.3.0//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nDTSTART;TZID=America/Los_Angeles:20201013T110000\r\nDTEND;TZID=America/Los_Angeles:20201013T120000\r\nDTSTAMP:20200927T180638Z\r\nUID:asdf0000@google.com\r\nRECURRENCE-ID;TZID=America/Los_Angeles:20201013T110000\r\nCREATED:20160330T034726Z\r\nLAST-MODIFIED:20200925T042014Z\r\nSTATUS:CONFIRMED\r\nTRANSP:OPAQUE\r\nEND:VEVENT\r\nBEGIN:VEVENT\r\nDTSTART;TZID=America/Los_Angeles:20200901T110000\r\nDTEND;TZID=America/Los_Angeles:20200901T120000\r\nRRULE:FREQ=WEEKLY;BYDAY=TU\r\nEXDATE;TZID=America/Los_Angeles:20200922T110000\r\nEXDATE;TZID=America/Los_Angeles:20200915T110000\r\nEXDATE;TZID=America/Los_Angeles:20200908T110000\r\nDTSTAMP:20200927T180638Z\r\nUID:asdf0000@google.com\r\nCREATED:20160330T034726Z\r\nLAST-MODIFIED:20200915T162810Z\r\nSTATUS:CONFIRMED\r\nTRANSP:OPAQUE\r\nEND:VEVENT\r\nEND:VCALENDAR\r\n"],
+
 			'CLASS:PRIVATE' => [CalDavBackend::CLASSIFICATION_PRIVATE, 'classification', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//dmfs.org//mimedir.icalendar//EN\r\nBEGIN:VTIMEZONE\r\nTZID:Europe/Berlin\r\nX-LIC-LOCATION:Europe/Berlin\r\nBEGIN:DAYLIGHT\r\nTZOFFSETFROM:+0100\r\nTZOFFSETTO:+0200\r\nTZNAME:CEST\r\nDTSTART:19700329T020000\r\nRRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU\r\nEND:DAYLIGHT\r\nBEGIN:STANDARD\r\nTZOFFSETFROM:+0200\r\nTZOFFSETTO:+0100\r\nTZNAME:CET\r\nDTSTART:19701025T030000\r\nRRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU\r\nEND:STANDARD\r\nEND:VTIMEZONE\r\nBEGIN:VEVENT\r\nDTSTART;TZID=Europe/Berlin:20160419T130000\r\nSUMMARY:Test\r\nCLASS:PRIVATE\r\nTRANSP:OPAQUE\r\nSTATUS:CONFIRMED\r\nDTEND;TZID=Europe/Berlin:20160419T140000\r\nLAST-MODIFIED:20160419T074202Z\r\nDTSTAMP:20160419T074202Z\r\nCREATED:20160419T074202Z\r\nUID:2e468c48-7860-492e-bc52-92fa0daeeccf.1461051722310\r\nEND:VEVENT\r\nEND:VCALENDAR"],
+
 			'CLASS:PUBLIC' => [CalDavBackend::CLASSIFICATION_PUBLIC, 'classification', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//dmfs.org//mimedir.icalendar//EN\r\nBEGIN:VTIMEZONE\r\nTZID:Europe/Berlin\r\nX-LIC-LOCATION:Europe/Berlin\r\nBEGIN:DAYLIGHT\r\nTZOFFSETFROM:+0100\r\nTZOFFSETTO:+0200\r\nTZNAME:CEST\r\nDTSTART:19700329T020000\r\nRRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU\r\nEND:DAYLIGHT\r\nBEGIN:STANDARD\r\nTZOFFSETFROM:+0200\r\nTZOFFSETTO:+0100\r\nTZNAME:CET\r\nDTSTART:19701025T030000\r\nRRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU\r\nEND:STANDARD\r\nEND:VTIMEZONE\r\nBEGIN:VEVENT\r\nDTSTART;TZID=Europe/Berlin:20160419T130000\r\nSUMMARY:Test\r\nCLASS:PUBLIC\r\nTRANSP:OPAQUE\r\nSTATUS:CONFIRMED\r\nDTEND;TZID=Europe/Berlin:20160419T140000\r\nLAST-MODIFIED:20160419T074202Z\r\nDTSTAMP:20160419T074202Z\r\nCREATED:20160419T074202Z\r\nUID:2e468c48-7860-492e-bc52-92fa0daeeccf.1461051722310\r\nEND:VEVENT\r\nEND:VCALENDAR"],
+
 			'CLASS:CONFIDENTIAL' => [CalDavBackend::CLASSIFICATION_CONFIDENTIAL, 'classification', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//dmfs.org//mimedir.icalendar//EN\r\nBEGIN:VTIMEZONE\r\nTZID:Europe/Berlin\r\nX-LIC-LOCATION:Europe/Berlin\r\nBEGIN:DAYLIGHT\r\nTZOFFSETFROM:+0100\r\nTZOFFSETTO:+0200\r\nTZNAME:CEST\r\nDTSTART:19700329T020000\r\nRRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU\r\nEND:DAYLIGHT\r\nBEGIN:STANDARD\r\nTZOFFSETFROM:+0200\r\nTZOFFSETTO:+0100\r\nTZNAME:CET\r\nDTSTART:19701025T030000\r\nRRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU\r\nEND:STANDARD\r\nEND:VTIMEZONE\r\nBEGIN:VEVENT\r\nDTSTART;TZID=Europe/Berlin:20160419T130000\r\nSUMMARY:Test\r\nCLASS:CONFIDENTIAL\r\nTRANSP:OPAQUE\r\nSTATUS:CONFIRMED\r\nDTEND;TZID=Europe/Berlin:20160419T140000\r\nLAST-MODIFIED:20160419T074202Z\r\nDTSTAMP:20160419T074202Z\r\nCREATED:20160419T074202Z\r\nUID:2e468c48-7860-492e-bc52-92fa0daeeccf.1461051722310\r\nEND:VEVENT\r\nEND:VCALENDAR"],
+
 			'no class set -> public' => [CalDavBackend::CLASSIFICATION_PUBLIC, 'classification', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//dmfs.org//mimedir.icalendar//EN\r\nBEGIN:VTIMEZONE\r\nTZID:Europe/Berlin\r\nX-LIC-LOCATION:Europe/Berlin\r\nBEGIN:DAYLIGHT\r\nTZOFFSETFROM:+0100\r\nTZOFFSETTO:+0200\r\nTZNAME:CEST\r\nDTSTART:19700329T020000\r\nRRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU\r\nEND:DAYLIGHT\r\nBEGIN:STANDARD\r\nTZOFFSETFROM:+0200\r\nTZOFFSETTO:+0100\r\nTZNAME:CET\r\nDTSTART:19701025T030000\r\nRRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU\r\nEND:STANDARD\r\nEND:VTIMEZONE\r\nBEGIN:VEVENT\r\nDTSTART;TZID=Europe/Berlin:20160419T130000\r\nSUMMARY:Test\r\nTRANSP:OPAQUE\r\nDTEND;TZID=Europe/Berlin:20160419T140000\r\nLAST-MODIFIED:20160419T074202Z\r\nDTSTAMP:20160419T074202Z\r\nCREATED:20160419T074202Z\r\nUID:2e468c48-7860-492e-bc52-92fa0daeeccf.1461051722310\r\nEND:VEVENT\r\nEND:VCALENDAR"],
+
 			'unknown class -> private' => [CalDavBackend::CLASSIFICATION_PRIVATE, 'classification', "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//dmfs.org//mimedir.icalendar//EN\r\nBEGIN:VTIMEZONE\r\nTZID:Europe/Berlin\r\nX-LIC-LOCATION:Europe/Berlin\r\nBEGIN:DAYLIGHT\r\nTZOFFSETFROM:+0100\r\nTZOFFSETTO:+0200\r\nTZNAME:CEST\r\nDTSTART:19700329T020000\r\nRRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU\r\nEND:DAYLIGHT\r\nBEGIN:STANDARD\r\nTZOFFSETFROM:+0200\r\nTZOFFSETTO:+0100\r\nTZNAME:CET\r\nDTSTART:19701025T030000\r\nRRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU\r\nEND:STANDARD\r\nEND:VTIMEZONE\r\nBEGIN:VEVENT\r\nDTSTART;TZID=Europe/Berlin:20160419T130000\r\nSUMMARY:Test\r\nCLASS:VERTRAULICH\r\nTRANSP:OPAQUE\r\nSTATUS:CONFIRMED\r\nDTEND;TZID=Europe/Berlin:20160419T140000\r\nLAST-MODIFIED:20160419T074202Z\r\nDTSTAMP:20160419T074202Z\r\nCREATED:20160419T074202Z\r\nUID:2e468c48-7860-492e-bc52-92fa0daeeccf.1461051722310\r\nEND:VEVENT\r\nEND:VCALENDAR"],
 		];
 	}