nextcloud / server

apps/dav/lib/CalDAV/PublicCalendarObject.php

Indentation +7 added lines, -7 removed lines

@@ -23,11 +23,11 @@
 
 class PublicCalendarObject extends CalendarObject {
 
-	/**
-	 * public calendars are always shared
-	 * @return bool
-	 */
-	protected function isShared() {
-		return true;
-	}
+    /**
+     * public calendars are always shared
+     * @return bool
+     */
+    protected function isShared() {
+        return true;
+    }
 }
\ No newline at end of file

apps/dav/lib/CalDAV/CalendarObject.php

Indentation +57 added lines, -57 removed lines

@@ -32,68 +32,68 @@
 
 class CalendarObject extends \Sabre\CalDAV\CalendarObject {
 
-	/**
-	 * @inheritdoc
-	 */
-	function get() {
-		$data = parent::get();
-		if ($this->isShared() && $this->objectData['classification'] === CalDavBackend::CLASSIFICATION_CONFIDENTIAL) {
-			return $this->createConfidentialObject($data);
-		}
-		return $data;
-	}
+    /**
+     * @inheritdoc
+     */
+    function get() {
+        $data = parent::get();
+        if ($this->isShared() && $this->objectData['classification'] === CalDavBackend::CLASSIFICATION_CONFIDENTIAL) {
+            return $this->createConfidentialObject($data);
+        }
+        return $data;
+    }
 
-	protected function isShared() {
-		if (!isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
-			return false;
-		}
+    protected function isShared() {
+        if (!isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
+            return false;
+        }
 
-		return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri'];
-	}
+        return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri'];
+    }
 
-	/**
-	 * @param string $calData
-	 * @return string
-	 */
-	private static function createConfidentialObject($calData) {
+    /**
+     * @param string $calData
+     * @return string
+     */
+    private static function createConfidentialObject($calData) {
 
-		$vObject = Reader::read($calData);
+        $vObject = Reader::read($calData);
 
-		/** @var Component $vElement */
-		$vElement = null;
-		if(isset($vObject->VEVENT)) {
-			$vElement = $vObject->VEVENT;
-		}
-		if(isset($vObject->VJOURNAL)) {
-			$vElement = $vObject->VJOURNAL;
-		}
-		if(isset($vObject->VTODO)) {
-			$vElement = $vObject->VTODO;
-		}
-		if(!is_null($vElement)) {
-			foreach ($vElement->children() as &$property) {
-				/** @var Property $property */
-				switch($property->name) {
-					case 'CREATED':
-					case 'DTSTART':
-					case 'RRULE':
-					case 'DURATION':
-					case 'DTEND':
-					case 'CLASS':
-					case 'UID':
-						break;
-					case 'SUMMARY':
-						$property->setValue('Busy');
-						break;
-					default:
-						$vElement->__unset($property->name);
-						unset($property);
-						break;
-				}
-			}
-		}
+        /** @var Component $vElement */
+        $vElement = null;
+        if(isset($vObject->VEVENT)) {
+            $vElement = $vObject->VEVENT;
+        }
+        if(isset($vObject->VJOURNAL)) {
+            $vElement = $vObject->VJOURNAL;
+        }
+        if(isset($vObject->VTODO)) {
+            $vElement = $vObject->VTODO;
+        }
+        if(!is_null($vElement)) {
+            foreach ($vElement->children() as &$property) {
+                /** @var Property $property */
+                switch($property->name) {
+                    case 'CREATED':
+                    case 'DTSTART':
+                    case 'RRULE':
+                    case 'DURATION':
+                    case 'DTEND':
+                    case 'CLASS':
+                    case 'UID':
+                        break;
+                    case 'SUMMARY':
+                        $property->setValue('Busy');
+                        break;
+                    default:
+                        $vElement->__unset($property->name);
+                        unset($property);
+                        break;
+                }
+            }
+        }
 		
-		return $vObject->serialize();
-	}
+        return $vObject->serialize();
+    }
 
 }

apps/dav/lib/CalDAV/PublicCalendarRoot.php

Indentation +32 added lines, -32 removed lines

@@ -24,36 +24,36 @@
 
 class PublicCalendarRoot extends Collection {
 
-	/** @var CalDavBackend */
-	protected $caldavBackend;
-
-	/** @var \OCP\IL10N */
-	protected $l10n;
-
-	function __construct(CalDavBackend $caldavBackend) {
-		$this->caldavBackend = $caldavBackend;
-		$this->l10n = \OC::$server->getL10N('dav');
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	function getName() {
-		return 'public-calendars';
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	function getChild($name) {
-		$calendar = $this->caldavBackend->getPublicCalendar($name);
-		return new PublicCalendar($this->caldavBackend, $calendar, $this->l10n);
-	}
-
-	/**
-	 * @inheritdoc
-	 */
-	function getChildren() {
-		return [];
-	}
+    /** @var CalDavBackend */
+    protected $caldavBackend;
+
+    /** @var \OCP\IL10N */
+    protected $l10n;
+
+    function __construct(CalDavBackend $caldavBackend) {
+        $this->caldavBackend = $caldavBackend;
+        $this->l10n = \OC::$server->getL10N('dav');
+    }
+
+    /**
+     * @inheritdoc
+     */
+    function getName() {
+        return 'public-calendars';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    function getChild($name) {
+        $calendar = $this->caldavBackend->getPublicCalendar($name);
+        return new PublicCalendar($this->caldavBackend, $calendar, $this->l10n);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    function getChildren() {
+        return [];
+    }
 }

apps/dav/lib/CalDAV/PublicCalendar.php

Indentation +54 added lines, -54 removed lines

@@ -25,63 +25,63 @@
 
 class PublicCalendar extends Calendar {
 
-	/**
-	 * @param string $name
-	 * @throws NotFound
-	 * @return PublicCalendarObject
-	 */
-	public function getChild($name) {
-		$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
+    /**
+     * @param string $name
+     * @throws NotFound
+     * @return PublicCalendarObject
+     */
+    public function getChild($name) {
+        $obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
 
-		if (!$obj) {
-			throw new NotFound('Calendar object not found');
-		}
-		if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
-			throw new NotFound('Calendar object not found');
-		}
-		$obj['acl'] = $this->getChildACL();
+        if (!$obj) {
+            throw new NotFound('Calendar object not found');
+        }
+        if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
+            throw new NotFound('Calendar object not found');
+        }
+        $obj['acl'] = $this->getChildACL();
 
-		return new PublicCalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
-	}
+        return new PublicCalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+    }
 
-	/**
-	 * @return PublicCalendarObject[]
-	 */
-	public function getChildren() {
-		$objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']);
-		$children = [];
-		foreach ($objs as $obj) {
-			if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
-				continue;
-			}
-			$obj['acl'] = $this->getChildACL();
-			$children[] = new PublicCalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
-		}
-		return $children;
-	}
+    /**
+     * @return PublicCalendarObject[]
+     */
+    public function getChildren() {
+        $objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']);
+        $children = [];
+        foreach ($objs as $obj) {
+            if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
+                continue;
+            }
+            $obj['acl'] = $this->getChildACL();
+            $children[] = new PublicCalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+        }
+        return $children;
+    }
 
-	/**
-	 * @param string[] $paths
-	 * @return PublicCalendarObject[]
-	 */
-	public function getMultipleChildren(array $paths) {
-		$objs = $this->caldavBackend->getMultipleCalendarObjects($this->calendarInfo['id'], $paths);
-		$children = [];
-		foreach ($objs as $obj) {
-			if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
-				continue;
-			}
-			$obj['acl'] = $this->getChildACL();
-			$children[] = new PublicCalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
-		}
-		return $children;
-	}
+    /**
+     * @param string[] $paths
+     * @return PublicCalendarObject[]
+     */
+    public function getMultipleChildren(array $paths) {
+        $objs = $this->caldavBackend->getMultipleCalendarObjects($this->calendarInfo['id'], $paths);
+        $children = [];
+        foreach ($objs as $obj) {
+            if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
+                continue;
+            }
+            $obj['acl'] = $this->getChildACL();
+            $children[] = new PublicCalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+        }
+        return $children;
+    }
 
-	/**
-	 * public calendars are always shared
-	 * @return bool
-	 */
-	protected function isShared() {
-		return true;
-	}
+    /**
+     * public calendars are always shared
+     * @return bool
+     */
+    protected function isShared() {
+        return true;
+    }
 }
\ No newline at end of file

apps/dav/lib/CalDAV/Calendar.php

Indentation +261 added lines, -261 removed lines

@@ -32,266 +32,266 @@
 
 class Calendar extends \Sabre\CalDAV\Calendar implements IShareable {
 
-	public function __construct(BackendInterface $caldavBackend, $calendarInfo, IL10N $l10n) {
-		parent::__construct($caldavBackend, $calendarInfo);
-
-		if ($this->getName() === BirthdayService::BIRTHDAY_CALENDAR_URI) {
-			$this->calendarInfo['{DAV:}displayname'] = $l10n->t('Contact birthdays');
-		}
-		if ($this->getName() === CalDavBackend::PERSONAL_CALENDAR_URI &&
-			$this->calendarInfo['{DAV:}displayname'] === CalDavBackend::PERSONAL_CALENDAR_NAME) {
-			$this->calendarInfo['{DAV:}displayname'] = $l10n->t('Personal');
-		}
-	}
-
-	/**
-	 * Updates the list of shares.
-	 *
-	 * The first array is a list of people that are to be added to the
-	 * resource.
-	 *
-	 * Every element in the add array has the following properties:
-	 *   * href - A url. Usually a mailto: address
-	 *   * commonName - Usually a first and last name, or false
-	 *   * summary - A description of the share, can also be false
-	 *   * readOnly - A boolean value
-	 *
-	 * Every element in the remove array is just the address string.
-	 *
-	 * @param array $add
-	 * @param array $remove
-	 * @return void
-	 */
-	function updateShares(array $add, array $remove) {
-		/** @var CalDavBackend $calDavBackend */
-		$calDavBackend = $this->caldavBackend;
-		$calDavBackend->updateShares($this, $add, $remove);
-	}
-
-	/**
-	 * Returns the list of people whom this resource is shared with.
-	 *
-	 * Every element in this array should have the following properties:
-	 *   * href - Often a mailto: address
-	 *   * commonName - Optional, for example a first + last name
-	 *   * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
-	 *   * readOnly - boolean
-	 *   * summary - Optional, a description for the share
-	 *
-	 * @return array
-	 */
-	function getShares() {
-		/** @var CalDavBackend $calDavBackend */
-		$calDavBackend = $this->caldavBackend;
-		return $calDavBackend->getShares($this->getResourceId());
-	}
-
-	/**
-	 * @return int
-	 */
-	public function getResourceId() {
-		return $this->calendarInfo['id'];
-	}
-
-	/**
-	 * @return string
-	 */
-	public function getPrincipalURI() {
-		return $this->calendarInfo['principaluri'];
-	}
-
-	function getACL() {
-		$acl =  [
-			[
-				'privilege' => '{DAV:}read',
-				'principal' => $this->getOwner(),
-				'protected' => true,
-			]];
-		if ($this->getName() !== BirthdayService::BIRTHDAY_CALENDAR_URI) {
-			$acl[] = [
-				'privilege' => '{DAV:}write',
-				'principal' => $this->getOwner(),
-				'protected' => true,
-			];
-		}
-		if ($this->getOwner() !== parent::getOwner()) {
-			$acl[] =  [
-					'privilege' => '{DAV:}read',
-					'principal' => parent::getOwner(),
-					'protected' => true,
-				];
-			if ($this->canWrite()) {
-				$acl[] = [
-					'privilege' => '{DAV:}write',
-					'principal' => parent::getOwner(),
-					'protected' => true,
-				];
-			}
-		}
-		if ($this->isPublic()) {
-			$acl[] = [
-				'privilege' => '{DAV:}read',
-				'principal' => 'principals/system/public',
-				'protected' => true,
-			];
-		}
-
-		/** @var CalDavBackend $calDavBackend */
-		$calDavBackend = $this->caldavBackend;
-		return $calDavBackend->applyShareAcl($this->getResourceId(), $acl);
-	}
-
-	function getChildACL() {
-		return $this->getACL();
-	}
-
-	function getOwner() {
-		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
-			return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'];
-		}
-		return parent::getOwner();
-	}
-
-	function delete() {
-		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal']) &&
-			$this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri']) {
-			$principal = 'principal:' . parent::getOwner();
-			$shares = $this->getShares();
-			$shares = array_filter($shares, function($share) use ($principal){
-				return $share['href'] === $principal;
-			});
-			if (empty($shares)) {
-				throw new Forbidden();
-			}
-
-			/** @var CalDavBackend $calDavBackend */
-			$calDavBackend = $this->caldavBackend;
-			$calDavBackend->updateShares($this, [], [
-				'href' => $principal
-			]);
-			return;
-		}
-		parent::delete();
-	}
-
-	function propPatch(PropPatch $propPatch) {
-		// parent::propPatch will only update calendars table
-		// if calendar is shared, changes have to be made to the properties table
-		if (!$this->isShared()) {
-			parent::propPatch($propPatch);
-		}
-	}
-
-	function getChild($name) {
-
-		$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
-
-		if (!$obj) {
-			throw new NotFound('Calendar object not found');
-		}
-
-		if ($this->isShared() && $obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
-			throw new NotFound('Calendar object not found');
-		}
-
-		$obj['acl'] = $this->getChildACL();
-
-		return new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
-
-	}
-
-	function getChildren() {
-
-		$objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']);
-		$children = [];
-		foreach ($objs as $obj) {
-			if ($this->isShared() && $obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
-				continue;
-			}
-			$obj['acl'] = $this->getChildACL();
-			$children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
-		}
-		return $children;
-
-	}
-
-	function getMultipleChildren(array $paths) {
-
-		$objs = $this->caldavBackend->getMultipleCalendarObjects($this->calendarInfo['id'], $paths);
-		$children = [];
-		foreach ($objs as $obj) {
-			if ($this->isShared() && $obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
-				continue;
-			}
-			$obj['acl'] = $this->getChildACL();
-			$children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
-		}
-		return $children;
-
-	}
-
-	function childExists($name) {
-		$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
-		if (!$obj) {
-			return false;
-		}
-		if ($this->isShared() && $obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
-			return false;
-		}
-
-		return true;
-	}
-
-	function calendarQuery(array $filters) {
-
-		$uris = $this->caldavBackend->calendarQuery($this->calendarInfo['id'], $filters);
-		if ($this->isShared()) {
-			return array_filter($uris, function ($uri) {
-				return $this->childExists($uri);
-			});
-		}
-
-		return $uris;
-	}
-
-	/**
-	 * @param boolean $value
-	 * @return string|null
-	 */
-	function setPublishStatus($value) {
-		$publicUri = $this->caldavBackend->setPublishStatus($value, $this);
-		$this->calendarInfo['publicuri'] = $publicUri;
-		return $publicUri;
-	}
-
-	/**
-	 * @return mixed $value
-	 */
-	function getPublishStatus() {
-		return $this->caldavBackend->getPublishStatus($this);
-	}
-
-	private function canWrite() {
-		if (isset($this->calendarInfo['{http://owncloud.org/ns}read-only'])) {
-			return !$this->calendarInfo['{http://owncloud.org/ns}read-only'];
-		}
-		return true;
-	}
-
-	private function isPublic() {
-		return isset($this->calendarInfo['{http://owncloud.org/ns}public']);
-	}
-
-	protected function isShared() {
-		if (!isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
-			return false;
-		}
-
-		return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri'];
-	}
-
-	public function isSubscription() {
-		return isset($this->calendarInfo['{http://calendarserver.org/ns/}source']);
-	}
+    public function __construct(BackendInterface $caldavBackend, $calendarInfo, IL10N $l10n) {
+        parent::__construct($caldavBackend, $calendarInfo);
+
+        if ($this->getName() === BirthdayService::BIRTHDAY_CALENDAR_URI) {
+            $this->calendarInfo['{DAV:}displayname'] = $l10n->t('Contact birthdays');
+        }
+        if ($this->getName() === CalDavBackend::PERSONAL_CALENDAR_URI &&
+            $this->calendarInfo['{DAV:}displayname'] === CalDavBackend::PERSONAL_CALENDAR_NAME) {
+            $this->calendarInfo['{DAV:}displayname'] = $l10n->t('Personal');
+        }
+    }
+
+    /**
+     * Updates the list of shares.
+     *
+     * The first array is a list of people that are to be added to the
+     * resource.
+     *
+     * Every element in the add array has the following properties:
+     *   * href - A url. Usually a mailto: address
+     *   * commonName - Usually a first and last name, or false
+     *   * summary - A description of the share, can also be false
+     *   * readOnly - A boolean value
+     *
+     * Every element in the remove array is just the address string.
+     *
+     * @param array $add
+     * @param array $remove
+     * @return void
+     */
+    function updateShares(array $add, array $remove) {
+        /** @var CalDavBackend $calDavBackend */
+        $calDavBackend = $this->caldavBackend;
+        $calDavBackend->updateShares($this, $add, $remove);
+    }
+
+    /**
+     * Returns the list of people whom this resource is shared with.
+     *
+     * Every element in this array should have the following properties:
+     *   * href - Often a mailto: address
+     *   * commonName - Optional, for example a first + last name
+     *   * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
+     *   * readOnly - boolean
+     *   * summary - Optional, a description for the share
+     *
+     * @return array
+     */
+    function getShares() {
+        /** @var CalDavBackend $calDavBackend */
+        $calDavBackend = $this->caldavBackend;
+        return $calDavBackend->getShares($this->getResourceId());
+    }
+
+    /**
+     * @return int
+     */
+    public function getResourceId() {
+        return $this->calendarInfo['id'];
+    }
+
+    /**
+     * @return string
+     */
+    public function getPrincipalURI() {
+        return $this->calendarInfo['principaluri'];
+    }
+
+    function getACL() {
+        $acl =  [
+            [
+                'privilege' => '{DAV:}read',
+                'principal' => $this->getOwner(),
+                'protected' => true,
+            ]];
+        if ($this->getName() !== BirthdayService::BIRTHDAY_CALENDAR_URI) {
+            $acl[] = [
+                'privilege' => '{DAV:}write',
+                'principal' => $this->getOwner(),
+                'protected' => true,
+            ];
+        }
+        if ($this->getOwner() !== parent::getOwner()) {
+            $acl[] =  [
+                    'privilege' => '{DAV:}read',
+                    'principal' => parent::getOwner(),
+                    'protected' => true,
+                ];
+            if ($this->canWrite()) {
+                $acl[] = [
+                    'privilege' => '{DAV:}write',
+                    'principal' => parent::getOwner(),
+                    'protected' => true,
+                ];
+            }
+        }
+        if ($this->isPublic()) {
+            $acl[] = [
+                'privilege' => '{DAV:}read',
+                'principal' => 'principals/system/public',
+                'protected' => true,
+            ];
+        }
+
+        /** @var CalDavBackend $calDavBackend */
+        $calDavBackend = $this->caldavBackend;
+        return $calDavBackend->applyShareAcl($this->getResourceId(), $acl);
+    }
+
+    function getChildACL() {
+        return $this->getACL();
+    }
+
+    function getOwner() {
+        if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
+            return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'];
+        }
+        return parent::getOwner();
+    }
+
+    function delete() {
+        if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal']) &&
+            $this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri']) {
+            $principal = 'principal:' . parent::getOwner();
+            $shares = $this->getShares();
+            $shares = array_filter($shares, function($share) use ($principal){
+                return $share['href'] === $principal;
+            });
+            if (empty($shares)) {
+                throw new Forbidden();
+            }
+
+            /** @var CalDavBackend $calDavBackend */
+            $calDavBackend = $this->caldavBackend;
+            $calDavBackend->updateShares($this, [], [
+                'href' => $principal
+            ]);
+            return;
+        }
+        parent::delete();
+    }
+
+    function propPatch(PropPatch $propPatch) {
+        // parent::propPatch will only update calendars table
+        // if calendar is shared, changes have to be made to the properties table
+        if (!$this->isShared()) {
+            parent::propPatch($propPatch);
+        }
+    }
+
+    function getChild($name) {
+
+        $obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
+
+        if (!$obj) {
+            throw new NotFound('Calendar object not found');
+        }
+
+        if ($this->isShared() && $obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
+            throw new NotFound('Calendar object not found');
+        }
+
+        $obj['acl'] = $this->getChildACL();
+
+        return new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+
+    }
+
+    function getChildren() {
+
+        $objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']);
+        $children = [];
+        foreach ($objs as $obj) {
+            if ($this->isShared() && $obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
+                continue;
+            }
+            $obj['acl'] = $this->getChildACL();
+            $children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+        }
+        return $children;
+
+    }
+
+    function getMultipleChildren(array $paths) {
+
+        $objs = $this->caldavBackend->getMultipleCalendarObjects($this->calendarInfo['id'], $paths);
+        $children = [];
+        foreach ($objs as $obj) {
+            if ($this->isShared() && $obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
+                continue;
+            }
+            $obj['acl'] = $this->getChildACL();
+            $children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+        }
+        return $children;
+
+    }
+
+    function childExists($name) {
+        $obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
+        if (!$obj) {
+            return false;
+        }
+        if ($this->isShared() && $obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE) {
+            return false;
+        }
+
+        return true;
+    }
+
+    function calendarQuery(array $filters) {
+
+        $uris = $this->caldavBackend->calendarQuery($this->calendarInfo['id'], $filters);
+        if ($this->isShared()) {
+            return array_filter($uris, function ($uri) {
+                return $this->childExists($uri);
+            });
+        }
+
+        return $uris;
+    }
+
+    /**
+     * @param boolean $value
+     * @return string|null
+     */
+    function setPublishStatus($value) {
+        $publicUri = $this->caldavBackend->setPublishStatus($value, $this);
+        $this->calendarInfo['publicuri'] = $publicUri;
+        return $publicUri;
+    }
+
+    /**
+     * @return mixed $value
+     */
+    function getPublishStatus() {
+        return $this->caldavBackend->getPublishStatus($this);
+    }
+
+    private function canWrite() {
+        if (isset($this->calendarInfo['{http://owncloud.org/ns}read-only'])) {
+            return !$this->calendarInfo['{http://owncloud.org/ns}read-only'];
+        }
+        return true;
+    }
+
+    private function isPublic() {
+        return isset($this->calendarInfo['{http://owncloud.org/ns}public']);
+    }
+
+    protected function isShared() {
+        if (!isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
+            return false;
+        }
+
+        return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri'];
+    }
+
+    public function isSubscription() {
+        return isset($this->calendarInfo['{http://calendarserver.org/ns/}source']);
+    }
 
 }