nextcloud / server

apps/dav/lib/CardDAV/AddressBook.php

Spacing +4 added lines, -4 removed lines

@@ -100,12 +100,12 @@ 
 	}
 
 	public function getACL() {
-		$acl =  [
+		$acl = [
 			[
 				'privilege' => '{DAV:}read',
 				'principal' => $this->getOwner(),
 				'protected' => true,
-			],[
+			], [
 				'privilege' => '{DAV:}write',
 				'principal' => $this->getOwner(),
 				'protected' => true,
@@ -117,7 +117,7 @@ 
 		}
 
 		if ($this->getOwner() !== parent::getOwner()) {
-			$acl[] =  [
+			$acl[] = [
 					'privilege' => '{DAV:}read',
 					'principal' => parent::getOwner(),
 					'protected' => true,
@@ -176,7 +176,7 @@ 
 
 	public function delete() {
 		if (isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
-			$principal = 'principal:' . parent::getOwner();
+			$principal = 'principal:'.parent::getOwner();
 			$shares = $this->carddavBackend->getShares($this->getResourceId());
 			$shares = array_filter($shares, function($share) use ($principal){
 				return $share['href'] === $principal;

Indentation +180 added lines, -180 removed lines

@@ -37,184 +37,184 @@
  */
 class AddressBook extends \Sabre\CardDAV\AddressBook implements IShareable {
 
-	/**
-	 * AddressBook constructor.
-	 *
-	 * @param BackendInterface $carddavBackend
-	 * @param array $addressBookInfo
-	 * @param IL10N $l10n
-	 */
-	public function __construct(BackendInterface $carddavBackend, array $addressBookInfo, IL10N $l10n) {
-		parent::__construct($carddavBackend, $addressBookInfo);
-
-		if ($this->addressBookInfo['{DAV:}displayname'] === CardDavBackend::PERSONAL_ADDRESSBOOK_NAME &&
-			$this->getName() === CardDavBackend::PERSONAL_ADDRESSBOOK_URI) {
-			$this->addressBookInfo['{DAV:}displayname'] = $l10n->t('Contacts');
-		}
-	}
-
-	/**
-	 * Updates the list of shares.
-	 *
-	 * The first array is a list of people that are to be added to the
-	 * addressbook.
-	 *
-	 * 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
-	 * @throws Forbidden
-	 */
-	public function updateShares(array $add, array $remove) {
-		if ($this->isShared()) {
-			throw new Forbidden();
-		}
-		$this->carddavBackend->updateShares($this, $add, $remove);
-	}
-
-	/**
-	 * Returns the list of people whom this addressbook is shared with.
-	 *
-	 * Every element in this array should have the following properties:
-	 *   * href - Often a mailto: address
-	 *   * commonName - Optional, for example a first + last name
-	 *   * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
-	 *   * readOnly - boolean
-	 *   * summary - Optional, a description for the share
-	 *
-	 * @return array
-	 */
-	public function getShares() {
-		if ($this->isShared()) {
-			return [];
-		}
-		return $this->carddavBackend->getShares($this->getResourceId());
-	}
-
-	public function getACL() {
-		$acl =  [
-			[
-				'privilege' => '{DAV:}read',
-				'principal' => $this->getOwner(),
-				'protected' => true,
-			],[
-				'privilege' => '{DAV:}write',
-				'principal' => $this->getOwner(),
-				'protected' => true,
-			]
-		];
-
-		if (!$this->isShared()) {
-			return $acl;
-		}
-
-		if ($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->getOwner() === 'principals/system/system') {
-			$acl[] = [
-					'privilege' => '{DAV:}read',
-					'principal' => '{DAV:}authenticated',
-					'protected' => true,
-			];
-		}
-
-		$acl = $this->carddavBackend->applyShareAcl($this->getResourceId(), $acl);
-		$allowedPrincipals = [$this->getOwner(), parent::getOwner(), 'principals/system/system'];
-		return array_filter($acl, function($rule) use ($allowedPrincipals) {
-			return \in_array($rule['principal'], $allowedPrincipals, true);
-		});
-	}
-
-	public function getChildACL() {
-		return $this->getACL();
-	}
-
-	public function getChild($name) {
-
-		$obj = $this->carddavBackend->getCard($this->addressBookInfo['id'], $name);
-		if (!$obj) {
-			throw new NotFound('Card not found');
-		}
-		$obj['acl'] = $this->getChildACL();
-		return new Card($this->carddavBackend, $this->addressBookInfo, $obj);
-
-	}
-
-	/**
-	 * @return int
-	 */
-	public function getResourceId() {
-		return $this->addressBookInfo['id'];
-	}
-
-	public function getOwner() {
-		if (isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
-			return $this->addressBookInfo['{http://owncloud.org/ns}owner-principal'];
-		}
-		return parent::getOwner();
-	}
-
-	public function delete() {
-		if (isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
-			$principal = 'principal:' . parent::getOwner();
-			$shares = $this->carddavBackend->getShares($this->getResourceId());
-			$shares = array_filter($shares, function($share) use ($principal){
-				return $share['href'] === $principal;
-			});
-			if (empty($shares)) {
-				throw new Forbidden();
-			}
-
-			$this->carddavBackend->updateShares($this, [], [
-				'href' => $principal
-			]);
-			return;
-		}
-		parent::delete();
-	}
-
-	public function propPatch(PropPatch $propPatch) {
-		if (isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
-			throw new Forbidden();
-		}
-		parent::propPatch($propPatch);
-	}
-
-	public function getContactsGroups() {
-		return $this->carddavBackend->collectCardProperties($this->getResourceId(), 'CATEGORIES');
-	}
-
-	private function isShared() {
-		if (!isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
-			return false;
-		}
-
-		return $this->addressBookInfo['{http://owncloud.org/ns}owner-principal'] !== $this->addressBookInfo['principaluri'];
-	}
-
-	private function canWrite() {
-		if (isset($this->addressBookInfo['{http://owncloud.org/ns}read-only'])) {
-			return !$this->addressBookInfo['{http://owncloud.org/ns}read-only'];
-		}
-		return true;
-	}
+    /**
+     * AddressBook constructor.
+     *
+     * @param BackendInterface $carddavBackend
+     * @param array $addressBookInfo
+     * @param IL10N $l10n
+     */
+    public function __construct(BackendInterface $carddavBackend, array $addressBookInfo, IL10N $l10n) {
+        parent::__construct($carddavBackend, $addressBookInfo);
+
+        if ($this->addressBookInfo['{DAV:}displayname'] === CardDavBackend::PERSONAL_ADDRESSBOOK_NAME &&
+            $this->getName() === CardDavBackend::PERSONAL_ADDRESSBOOK_URI) {
+            $this->addressBookInfo['{DAV:}displayname'] = $l10n->t('Contacts');
+        }
+    }
+
+    /**
+     * Updates the list of shares.
+     *
+     * The first array is a list of people that are to be added to the
+     * addressbook.
+     *
+     * 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
+     * @throws Forbidden
+     */
+    public function updateShares(array $add, array $remove) {
+        if ($this->isShared()) {
+            throw new Forbidden();
+        }
+        $this->carddavBackend->updateShares($this, $add, $remove);
+    }
+
+    /**
+     * Returns the list of people whom this addressbook is shared with.
+     *
+     * Every element in this array should have the following properties:
+     *   * href - Often a mailto: address
+     *   * commonName - Optional, for example a first + last name
+     *   * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
+     *   * readOnly - boolean
+     *   * summary - Optional, a description for the share
+     *
+     * @return array
+     */
+    public function getShares() {
+        if ($this->isShared()) {
+            return [];
+        }
+        return $this->carddavBackend->getShares($this->getResourceId());
+    }
+
+    public function getACL() {
+        $acl =  [
+            [
+                'privilege' => '{DAV:}read',
+                'principal' => $this->getOwner(),
+                'protected' => true,
+            ],[
+                'privilege' => '{DAV:}write',
+                'principal' => $this->getOwner(),
+                'protected' => true,
+            ]
+        ];
+
+        if (!$this->isShared()) {
+            return $acl;
+        }
+
+        if ($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->getOwner() === 'principals/system/system') {
+            $acl[] = [
+                    'privilege' => '{DAV:}read',
+                    'principal' => '{DAV:}authenticated',
+                    'protected' => true,
+            ];
+        }
+
+        $acl = $this->carddavBackend->applyShareAcl($this->getResourceId(), $acl);
+        $allowedPrincipals = [$this->getOwner(), parent::getOwner(), 'principals/system/system'];
+        return array_filter($acl, function($rule) use ($allowedPrincipals) {
+            return \in_array($rule['principal'], $allowedPrincipals, true);
+        });
+    }
+
+    public function getChildACL() {
+        return $this->getACL();
+    }
+
+    public function getChild($name) {
+
+        $obj = $this->carddavBackend->getCard($this->addressBookInfo['id'], $name);
+        if (!$obj) {
+            throw new NotFound('Card not found');
+        }
+        $obj['acl'] = $this->getChildACL();
+        return new Card($this->carddavBackend, $this->addressBookInfo, $obj);
+
+    }
+
+    /**
+     * @return int
+     */
+    public function getResourceId() {
+        return $this->addressBookInfo['id'];
+    }
+
+    public function getOwner() {
+        if (isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
+            return $this->addressBookInfo['{http://owncloud.org/ns}owner-principal'];
+        }
+        return parent::getOwner();
+    }
+
+    public function delete() {
+        if (isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
+            $principal = 'principal:' . parent::getOwner();
+            $shares = $this->carddavBackend->getShares($this->getResourceId());
+            $shares = array_filter($shares, function($share) use ($principal){
+                return $share['href'] === $principal;
+            });
+            if (empty($shares)) {
+                throw new Forbidden();
+            }
+
+            $this->carddavBackend->updateShares($this, [], [
+                'href' => $principal
+            ]);
+            return;
+        }
+        parent::delete();
+    }
+
+    public function propPatch(PropPatch $propPatch) {
+        if (isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
+            throw new Forbidden();
+        }
+        parent::propPatch($propPatch);
+    }
+
+    public function getContactsGroups() {
+        return $this->carddavBackend->collectCardProperties($this->getResourceId(), 'CATEGORIES');
+    }
+
+    private function isShared() {
+        if (!isset($this->addressBookInfo['{http://owncloud.org/ns}owner-principal'])) {
+            return false;
+        }
+
+        return $this->addressBookInfo['{http://owncloud.org/ns}owner-principal'] !== $this->addressBookInfo['principaluri'];
+    }
+
+    private function canWrite() {
+        if (isset($this->addressBookInfo['{http://owncloud.org/ns}read-only'])) {
+            return !$this->addressBookInfo['{http://owncloud.org/ns}read-only'];
+        }
+        return true;
+    }
 }

apps/dav/lib/CalDAV/Calendar.php

Indentation +281 added lines, -281 removed lines

@@ -38,286 +38,286 @@
  */
 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
-	 * @throws Forbidden
-	 */
-	public function updateShares(array $add, array $remove) {
-		if ($this->isShared()) {
-			throw new Forbidden();
-		}
-		$this->caldavBackend->updateShares($this, $add, $remove);
-	}
-
-	/**
-	 * Returns the list of people whom this resource is shared with.
-	 *
-	 * Every element in this array should have the following properties:
-	 *   * href - Often a mailto: address
-	 *   * commonName - Optional, for example a first + last name
-	 *   * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
-	 *   * readOnly - boolean
-	 *   * summary - Optional, a description for the share
-	 *
-	 * @return array
-	 */
-	public function getShares() {
-		if ($this->isShared()) {
-			return [];
-		}
-		return $this->caldavBackend->getShares($this->getResourceId());
-	}
-
-	/**
-	 * @return int
-	 */
-	public function getResourceId() {
-		return $this->calendarInfo['id'];
-	}
-
-	/**
-	 * @return string
-	 */
-	public function getPrincipalURI() {
-		return $this->calendarInfo['principaluri'];
-	}
-
-	public 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,
-			];
-		} else {
-			$acl[] = [
-				'privilege' => '{DAV:}write-properties',
-				'principal' => $this->getOwner(),
-				'protected' => true,
-			];
-		}
-
-		if (!$this->isShared()) {
-			return $acl;
-		}
-
-		if ($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,
-				];
-			} else {
-				$acl[] = [
-					'privilege' => '{DAV:}write-properties',
-					'principal' => parent::getOwner(),
-					'protected' => true,
-				];
-			}
-		}
-		if ($this->isPublic()) {
-			$acl[] = [
-				'privilege' => '{DAV:}read',
-				'principal' => 'principals/system/public',
-				'protected' => true,
-			];
-		}
-
-		$acl = $this->caldavBackend->applyShareAcl($this->getResourceId(), $acl);
-		$allowedPrincipals = [$this->getOwner(), parent::getOwner(), 'principals/system/public'];
-		return array_filter($acl, function($rule) use ($allowedPrincipals) {
-			return \in_array($rule['principal'], $allowedPrincipals, true);
-		});
-	}
-
-	public function getChildACL() {
-		return $this->getACL();
-	}
-
-	public function getOwner() {
-		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
-			return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'];
-		}
-		return parent::getOwner();
-	}
-
-	public function delete() {
-		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal']) &&
-			$this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri']) {
-			$principal = 'principal:' . parent::getOwner();
-			$shares = $this->caldavBackend->getShares($this->getResourceId());
-			$shares = array_filter($shares, function($share) use ($principal){
-				return $share['href'] === $principal;
-			});
-			if (empty($shares)) {
-				throw new Forbidden();
-			}
-
-			$this->caldavBackend->updateShares($this, [], [
-				'href' => $principal
-			]);
-			return;
-		}
-		parent::delete();
-	}
-
-	public 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($propPatch);
-		}
-	}
-
-	public function getChild($name) {
-
-		$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
-
-		if (!$obj) {
-			throw new NotFound('Calendar object not found');
-		}
-
-		if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) {
-			throw new NotFound('Calendar object not found');
-		}
-
-		$obj['acl'] = $this->getChildACL();
-
-		return new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
-
-	}
-
-	public function getChildren() {
-
-		$objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']);
-		$children = [];
-		foreach ($objs as $obj) {
-			if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) {
-				continue;
-			}
-			$obj['acl'] = $this->getChildACL();
-			$children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
-		}
-		return $children;
-
-	}
-
-	public function getMultipleChildren(array $paths) {
-
-		$objs = $this->caldavBackend->getMultipleCalendarObjects($this->calendarInfo['id'], $paths);
-		$children = [];
-		foreach ($objs as $obj) {
-			if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) {
-				continue;
-			}
-			$obj['acl'] = $this->getChildACL();
-			$children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
-		}
-		return $children;
-
-	}
-
-	public function childExists($name) {
-		$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
-		if (!$obj) {
-			return false;
-		}
-		if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) {
-			return false;
-		}
-
-		return true;
-	}
-
-	public 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 $value
-	 * @return string|null
-	 */
-	public function setPublishStatus($value) {
-		$publicUri = $this->caldavBackend->setPublishStatus($value, $this);
-		$this->calendarInfo['publicuri'] = $publicUri;
-		return $publicUri;
-	}
-
-	/**
-	 * @return mixed $value
-	 */
-	public 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
+     * @throws Forbidden
+     */
+    public function updateShares(array $add, array $remove) {
+        if ($this->isShared()) {
+            throw new Forbidden();
+        }
+        $this->caldavBackend->updateShares($this, $add, $remove);
+    }
+
+    /**
+     * Returns the list of people whom this resource is shared with.
+     *
+     * Every element in this array should have the following properties:
+     *   * href - Often a mailto: address
+     *   * commonName - Optional, for example a first + last name
+     *   * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
+     *   * readOnly - boolean
+     *   * summary - Optional, a description for the share
+     *
+     * @return array
+     */
+    public function getShares() {
+        if ($this->isShared()) {
+            return [];
+        }
+        return $this->caldavBackend->getShares($this->getResourceId());
+    }
+
+    /**
+     * @return int
+     */
+    public function getResourceId() {
+        return $this->calendarInfo['id'];
+    }
+
+    /**
+     * @return string
+     */
+    public function getPrincipalURI() {
+        return $this->calendarInfo['principaluri'];
+    }
+
+    public 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,
+            ];
+        } else {
+            $acl[] = [
+                'privilege' => '{DAV:}write-properties',
+                'principal' => $this->getOwner(),
+                'protected' => true,
+            ];
+        }
+
+        if (!$this->isShared()) {
+            return $acl;
+        }
+
+        if ($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,
+                ];
+            } else {
+                $acl[] = [
+                    'privilege' => '{DAV:}write-properties',
+                    'principal' => parent::getOwner(),
+                    'protected' => true,
+                ];
+            }
+        }
+        if ($this->isPublic()) {
+            $acl[] = [
+                'privilege' => '{DAV:}read',
+                'principal' => 'principals/system/public',
+                'protected' => true,
+            ];
+        }
+
+        $acl = $this->caldavBackend->applyShareAcl($this->getResourceId(), $acl);
+        $allowedPrincipals = [$this->getOwner(), parent::getOwner(), 'principals/system/public'];
+        return array_filter($acl, function($rule) use ($allowedPrincipals) {
+            return \in_array($rule['principal'], $allowedPrincipals, true);
+        });
+    }
+
+    public function getChildACL() {
+        return $this->getACL();
+    }
+
+    public function getOwner() {
+        if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
+            return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'];
+        }
+        return parent::getOwner();
+    }
+
+    public function delete() {
+        if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal']) &&
+            $this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri']) {
+            $principal = 'principal:' . parent::getOwner();
+            $shares = $this->caldavBackend->getShares($this->getResourceId());
+            $shares = array_filter($shares, function($share) use ($principal){
+                return $share['href'] === $principal;
+            });
+            if (empty($shares)) {
+                throw new Forbidden();
+            }
+
+            $this->caldavBackend->updateShares($this, [], [
+                'href' => $principal
+            ]);
+            return;
+        }
+        parent::delete();
+    }
+
+    public 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($propPatch);
+        }
+    }
+
+    public function getChild($name) {
+
+        $obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
+
+        if (!$obj) {
+            throw new NotFound('Calendar object not found');
+        }
+
+        if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) {
+            throw new NotFound('Calendar object not found');
+        }
+
+        $obj['acl'] = $this->getChildACL();
+
+        return new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+
+    }
+
+    public function getChildren() {
+
+        $objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']);
+        $children = [];
+        foreach ($objs as $obj) {
+            if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) {
+                continue;
+            }
+            $obj['acl'] = $this->getChildACL();
+            $children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+        }
+        return $children;
+
+    }
+
+    public function getMultipleChildren(array $paths) {
+
+        $objs = $this->caldavBackend->getMultipleCalendarObjects($this->calendarInfo['id'], $paths);
+        $children = [];
+        foreach ($objs as $obj) {
+            if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) {
+                continue;
+            }
+            $obj['acl'] = $this->getChildACL();
+            $children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+        }
+        return $children;
+
+    }
+
+    public function childExists($name) {
+        $obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
+        if (!$obj) {
+            return false;
+        }
+        if ($obj['classification'] === CalDavBackend::CLASSIFICATION_PRIVATE && $this->isShared()) {
+            return false;
+        }
+
+        return true;
+    }
+
+    public 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 $value
+     * @return string|null
+     */
+    public function setPublishStatus($value) {
+        $publicUri = $this->caldavBackend->setPublishStatus($value, $this);
+        $this->calendarInfo['publicuri'] = $publicUri;
+        return $publicUri;
+    }
+
+    /**
+     * @return mixed $value
+     */
+    public 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']);
+    }
 
 }