feat: add iMip Request Handling

Signed-off-by: SebastianKrupinski <krupinskis05@gmail.com>

2 files changed, 30 insertions, 2 deletions

diff --git a/apps/dav/lib/CalDAV/CachedSubscriptionImpl.php b/apps/dav/lib/CalDAV/CachedSubscriptionImpl.php
index 00fa90f5d20..4d25f5bb501 100644
--- a/apps/dav/lib/CalDAV/CachedSubscriptionImpl.php
+++ b/apps/dav/lib/CalDAV/CachedSubscriptionImpl.php
@@ -9,9 +9,12 @@ declare(strict_types=1);
 namespace OCA\DAV\CalDAV;
 
 use OCP\Calendar\ICalendar;
+use OCP\Calendar\ICalendarIsShared;
+use OCP\Calendar\ICalendarIsWritable;
 use OCP\Constants;
 
-class CachedSubscriptionImpl implements ICalendar {
+class CachedSubscriptionImpl implements ICalendar, ICalendarIsShared, ICalendarIsWritable {
+
 	public function __construct(
 		private CachedSubscription $calendar,
 		/** @var array<string, mixed> */
@@ -83,10 +86,18 @@ class CachedSubscriptionImpl implements ICalendar {
 		return $result;
 	}
 
+	public function isWritable(): bool {
+		return false;
+	}
+
 	public function isDeleted(): bool {
 		return false;
 	}
 
+	public function isShared(): bool {
+		return true;
+	}
+
 	public function getSource(): string {
 		return $this->calendarInfo['source'];
 	}
diff --git a/apps/dav/lib/CalDAV/CalendarImpl.php b/apps/dav/lib/CalDAV/CalendarImpl.php
index 85ca7f78ca4..919b08eefce 100644
--- a/apps/dav/lib/CalDAV/CalendarImpl.php
+++ b/apps/dav/lib/CalDAV/CalendarImpl.php
@@ -128,6 +128,13 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage {
 	}
 
 	/**
+	 * @since 31.0.0
+	 */
+	public function isWritable(): bool {
+		return $this->calendar->canWrite();
+	}
+	
+	/**
 	 * @since 26.0.0
 	 */
 	public function isDeleted(): bool {
@@ -135,6 +142,13 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage {
 	}
 
 	/**
+	 * @since 31.0.0
+	 */
+	public function isShared(): bool {
+		return $this->calendar->isShared();
+	}
+
+	/**
 	 * Create a new calendar event for this calendar
 	 * by way of an ICS string
 	 *
@@ -215,7 +229,10 @@ class CalendarImpl implements ICreateFromString, IHandleImipMessage {
 		$attendee = $vEvent->{'ATTENDEE'}->getValue();
 
 		$iTipMessage->method = $vObject->{'METHOD'}->getValue();
-		if ($iTipMessage->method === 'REPLY') {
+		if ($iTipMessage->method === 'REQUEST') {
+			$iTipMessage->sender = $organizer;
+			$iTipMessage->recipient = $attendee;
+		} elseif ($iTipMessage->method === 'REPLY') {
 			if ($server->isExternalAttendee($vEvent->{'ATTENDEE'}->getValue())) {
 				$iTipMessage->recipient = $organizer;
 			} else {