Add email validation

Signed-off-by: Anna Larch <anna@nextcloud.com>
nextcloud · May 16, 2022 · 81fce2c · 81fce2c
1 parent 0690646
commit 81fce2c
Showing 1 changed file with 9 additions and 2 deletions.
diff --git a/apps/dav/lib/CalDAV/Reminder/NotificationProvider/EmailProvider.php b/apps/dav/lib/CalDAV/Reminder/NotificationProvider/EmailProvider.php
@@ -265,7 +265,10 @@ private function getAllEMailAddressesFromEvent(VEvent $vevent):array {
 					$emailAddressesOfDelegates = $delegates->getParts();
 					foreach ($emailAddressesOfDelegates as $addressesOfDelegate) {
 						if (strcasecmp($addressesOfDelegate, 'mailto:') === 0) {
-							$emailAddresses[substr($addressesOfDelegate, 7)] = [];
+							$delegateEmail = substr($addressesOfDelegate, 7);
+							if ($delegateEmail !== false && $this->mailer->validateMailAddress($delegateEmail)) {
+								$emailAddresses[$delegateEmail] = [];
+							}
 						}
 					}
 
@@ -337,8 +340,12 @@ private function getEMailAddressOfAttendee(VObject\Property $attendee):?string {
 		if (!$this->hasAttendeeMailURI($attendee)) {
 			return null;
 		}
+		$attendeeEMail = substr($attendee->getValue(), 7);
+		if ($attendeeEMail === false || !$this->mailer->validateMailAddress($attendeeEMail)) {
+			return null;
+		}
 
-		return substr($attendee->getValue(), 7);
+		return $attendeeEMail;
 	}
 
 	/**