nextcloud / server

apps/dav/lib/CardDAV/Xml/Groups.php

Indentation +14 added lines, -14 removed lines

@@ -26,21 +26,21 @@
 use Sabre\Xml\Writer;
 
 class Groups implements XmlSerializable {
-	const NS_OWNCLOUD = 'http://owncloud.org/ns';
+    const NS_OWNCLOUD = 'http://owncloud.org/ns';
 
-	/** @var string[] of TYPE:CHECKSUM */
-	private $groups;
+    /** @var string[] of TYPE:CHECKSUM */
+    private $groups;
 
-	/**
-	 * @param string $groups
-	 */
-	public function __construct($groups) {
-		$this->groups = $groups;
-	}
+    /**
+     * @param string $groups
+     */
+    public function __construct($groups) {
+        $this->groups = $groups;
+    }
 
-	function xmlSerialize(Writer $writer) {
-		foreach ($this->groups as $group) {
-			$writer->writeElement('{' . self::NS_OWNCLOUD . '}group', $group);
-		}
-	}
+    function xmlSerialize(Writer $writer) {
+        foreach ($this->groups as $group) {
+            $writer->writeElement('{' . self::NS_OWNCLOUD . '}group', $group);
+        }
+    }
 }

Spacing +1 added lines, -1 removed lines

@@ -40,7 +40,7 @@
 
 	function xmlSerialize(Writer $writer) {
 		foreach ($this->groups as $group) {
-			$writer->writeElement('{' . self::NS_OWNCLOUD . '}group', $group);
+			$writer->writeElement('{'.self::NS_OWNCLOUD.'}group', $group);
 		}
 	}
 }

apps/dav/lib/CardDAV/AddressBookRoot.php

Indentation +33 added lines, -33 removed lines

@@ -25,46 +25,46 @@
 
 class AddressBookRoot extends \Sabre\CardDAV\AddressBookRoot {
 
-	/** @var IL10N */
-	protected $l10n;
+    /** @var IL10N */
+    protected $l10n;
 
-	/**
-	 * @param \Sabre\DAVACL\PrincipalBackend\BackendInterface $principalBackend
-	 * @param \Sabre\CardDAV\Backend\BackendInterface $carddavBackend
-	 * @param string $principalPrefix
-	 */
-	public function __construct(\Sabre\DAVACL\PrincipalBackend\BackendInterface $principalBackend, \Sabre\CardDAV\Backend\BackendInterface $carddavBackend, $principalPrefix = 'principals') {
-		parent::__construct($principalBackend, $carddavBackend, $principalPrefix);
-		$this->l10n = \OC::$server->getL10N('dav');
-	}
+    /**
+     * @param \Sabre\DAVACL\PrincipalBackend\BackendInterface $principalBackend
+     * @param \Sabre\CardDAV\Backend\BackendInterface $carddavBackend
+     * @param string $principalPrefix
+     */
+    public function __construct(\Sabre\DAVACL\PrincipalBackend\BackendInterface $principalBackend, \Sabre\CardDAV\Backend\BackendInterface $carddavBackend, $principalPrefix = 'principals') {
+        parent::__construct($principalBackend, $carddavBackend, $principalPrefix);
+        $this->l10n = \OC::$server->getL10N('dav');
+    }
 
-	/**
-	 * This method returns a node for a principal.
-	 *
-	 * The passed array contains principal information, and is guaranteed to
-	 * at least contain a uri item. Other properties may or may not be
-	 * supplied by the authentication backend.
-	 *
-	 * @param array $principal
-	 * @return \Sabre\DAV\INode
-	 */
-	function getChildForPrincipal(array $principal) {
+    /**
+     * This method returns a node for a principal.
+     *
+     * The passed array contains principal information, and is guaranteed to
+     * at least contain a uri item. Other properties may or may not be
+     * supplied by the authentication backend.
+     *
+     * @param array $principal
+     * @return \Sabre\DAV\INode
+     */
+    function getChildForPrincipal(array $principal) {
 
-		return new UserAddressBooks($this->carddavBackend, $principal['uri'], $this->l10n);
+        return new UserAddressBooks($this->carddavBackend, $principal['uri'], $this->l10n);
 
-	}
+    }
 
-	function getName() {
+    function getName() {
 
-		if ($this->principalPrefix === 'principals') {
-			return parent::getName();
-		}
-		// Grabbing all the components of the principal path.
-		$parts = explode('/', $this->principalPrefix);
+        if ($this->principalPrefix === 'principals') {
+            return parent::getName();
+        }
+        // Grabbing all the components of the principal path.
+        $parts = explode('/', $this->principalPrefix);
 
-		// We are only interested in the second part.
-		return $parts[1];
+        // We are only interested in the second part.
+        return $parts[1];
 
-	}
+    }
 
 }

apps/dav/lib/CardDAV/CardDavBackend.php

Braces +3 added lines, -1 removed lines

@@ -745,7 +745,9 @@
 		$stmt->execute([ $addressBookId ]);
 		$currentToken = $stmt->fetchColumn(0);
 
-		if (is_null($currentToken)) return null;
+		if (is_null($currentToken)) {
+		    return null;
+		}
 
 		$result = [
 			'syncToken' => $currentToken,

Indentation +1118 added lines, -1118 removed lines

@@ -53,1122 +53,1122 @@
 
 class CardDavBackend implements BackendInterface, SyncSupport {
 
-	const PERSONAL_ADDRESSBOOK_URI = 'contacts';
-	const PERSONAL_ADDRESSBOOK_NAME = 'Contacts';
-
-	/** @var Principal */
-	private $principalBackend;
-
-	/** @var string */
-	private $dbCardsTable = 'cards';
-
-	/** @var string */
-	private $dbCardsPropertiesTable = 'cards_properties';
-
-	/** @var IDBConnection */
-	private $db;
-
-	/** @var Backend */
-	private $sharingBackend;
-
-	/** @var array properties to index */
-	public static $indexProperties = array(
-			'BDAY', 'UID', 'N', 'FN', 'TITLE', 'ROLE', 'NOTE', 'NICKNAME',
-			'ORG', 'CATEGORIES', 'EMAIL', 'TEL', 'IMPP', 'ADR', 'URL', 'GEO', 'CLOUD');
-
-	/**
-	 * @var string[] Map of uid => display name
-	 */
-	protected $userDisplayNames;
-
-	/** @var IUserManager */
-	private $userManager;
-
-	/** @var EventDispatcherInterface */
-	private $dispatcher;
-
-	/**
-	 * CardDavBackend constructor.
-	 *
-	 * @param IDBConnection $db
-	 * @param Principal $principalBackend
-	 * @param IUserManager $userManager
-	 * @param IGroupManager $groupManager
-	 * @param EventDispatcherInterface $dispatcher
-	 */
-	public function __construct(IDBConnection $db,
-								Principal $principalBackend,
-								IUserManager $userManager,
-								IGroupManager $groupManager,
-								EventDispatcherInterface $dispatcher) {
-		$this->db = $db;
-		$this->principalBackend = $principalBackend;
-		$this->userManager = $userManager;
-		$this->dispatcher = $dispatcher;
-		$this->sharingBackend = new Backend($this->db, $this->userManager, $groupManager, $principalBackend, 'addressbook');
-	}
-
-	/**
-	 * Return the number of address books for a principal
-	 *
-	 * @param $principalUri
-	 * @return int
-	 */
-	public function getAddressBooksForUserCount($principalUri) {
-		$principalUri = $this->convertPrincipal($principalUri, true);
-		$query = $this->db->getQueryBuilder();
-		$query->select($query->func()->count('*'))
-			->from('addressbooks')
-			->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
-
-		return (int)$query->execute()->fetchColumn();
-	}
-
-	/**
-	 * Returns the list of address books for a specific user.
-	 *
-	 * Every addressbook should have the following properties:
-	 *   id - an arbitrary unique id
-	 *   uri - the 'basename' part of the url
-	 *   principaluri - Same as the passed parameter
-	 *
-	 * Any additional clark-notation property may be passed besides this. Some
-	 * common ones are :
-	 *   {DAV:}displayname
-	 *   {urn:ietf:params:xml:ns:carddav}addressbook-description
-	 *   {http://calendarserver.org/ns/}getctag
-	 *
-	 * @param string $principalUri
-	 * @return array
-	 */
-	function getAddressBooksForUser($principalUri) {
-		$principalUriOriginal = $principalUri;
-		$principalUri = $this->convertPrincipal($principalUri, true);
-		$query = $this->db->getQueryBuilder();
-		$query->select(['id', 'uri', 'displayname', 'principaluri', 'description', 'synctoken'])
-			->from('addressbooks')
-			->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
-
-		$addressBooks = [];
-
-		$result = $query->execute();
-		while($row = $result->fetch()) {
-			$addressBooks[$row['id']] = [
-				'id'  => $row['id'],
-				'uri' => $row['uri'],
-				'principaluri' => $this->convertPrincipal($row['principaluri'], false),
-				'{DAV:}displayname' => $row['displayname'],
-				'{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
-				'{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-			];
-
-			$this->addOwnerPrincipal($addressBooks[$row['id']]);
-		}
-		$result->closeCursor();
-
-		// query for shared addressbooks
-		$principals = $this->principalBackend->getGroupMembership($principalUriOriginal, true);
-		$principals = array_merge($principals, $this->principalBackend->getCircleMembership($principalUriOriginal));
-
-		$principals = array_map(function($principal) {
-			return urldecode($principal);
-		}, $principals);
-		$principals[]= $principalUri;
-
-		$query = $this->db->getQueryBuilder();
-		$result = $query->select(['a.id', 'a.uri', 'a.displayname', 'a.principaluri', 'a.description', 'a.synctoken', 's.access'])
-			->from('dav_shares', 's')
-			->join('s', 'addressbooks', 'a', $query->expr()->eq('s.resourceid', 'a.id'))
-			->where($query->expr()->in('s.principaluri', $query->createParameter('principaluri')))
-			->andWhere($query->expr()->eq('s.type', $query->createParameter('type')))
-			->setParameter('type', 'addressbook')
-			->setParameter('principaluri', $principals, IQueryBuilder::PARAM_STR_ARRAY)
-			->execute();
-
-		$readOnlyPropertyName = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only';
-		while($row = $result->fetch()) {
-			if ($row['principaluri'] === $principalUri) {
-				continue;
-			}
-
-			$readOnly = (int) $row['access'] === Backend::ACCESS_READ;
-			if (isset($addressBooks[$row['id']])) {
-				if ($readOnly) {
-					// New share can not have more permissions then the old one.
-					continue;
-				}
-				if (isset($addressBooks[$row['id']][$readOnlyPropertyName]) &&
-					$addressBooks[$row['id']][$readOnlyPropertyName] === 0) {
-					// Old share is already read-write, no more permissions can be gained
-					continue;
-				}
-			}
-
-			list(, $name) = \Sabre\Uri\split($row['principaluri']);
-			$uri = $row['uri'] . '_shared_by_' . $name;
-			$displayName = $row['displayname'] . ' (' . $this->getUserDisplayName($name) . ')';
-
-			$addressBooks[$row['id']] = [
-				'id'  => $row['id'],
-				'uri' => $uri,
-				'principaluri' => $principalUriOriginal,
-				'{DAV:}displayname' => $displayName,
-				'{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
-				'{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-				'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $row['principaluri'],
-				$readOnlyPropertyName => $readOnly,
-			];
-
-			$this->addOwnerPrincipal($addressBooks[$row['id']]);
-		}
-		$result->closeCursor();
-
-		return array_values($addressBooks);
-	}
-
-	public function getUsersOwnAddressBooks($principalUri) {
-		$principalUri = $this->convertPrincipal($principalUri, true);
-		$query = $this->db->getQueryBuilder();
-		$query->select(['id', 'uri', 'displayname', 'principaluri', 'description', 'synctoken'])
-			  ->from('addressbooks')
-			  ->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
-
-		$addressBooks = [];
-
-		$result = $query->execute();
-		while($row = $result->fetch()) {
-			$addressBooks[$row['id']] = [
-				'id'  => $row['id'],
-				'uri' => $row['uri'],
-				'principaluri' => $this->convertPrincipal($row['principaluri'], false),
-				'{DAV:}displayname' => $row['displayname'],
-				'{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
-				'{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-			];
-
-			$this->addOwnerPrincipal($addressBooks[$row['id']]);
-		}
-		$result->closeCursor();
-
-		return array_values($addressBooks);
-	}
-
-	private function getUserDisplayName($uid) {
-		if (!isset($this->userDisplayNames[$uid])) {
-			$user = $this->userManager->get($uid);
-
-			if ($user instanceof IUser) {
-				$this->userDisplayNames[$uid] = $user->getDisplayName();
-			} else {
-				$this->userDisplayNames[$uid] = $uid;
-			}
-		}
-
-		return $this->userDisplayNames[$uid];
-	}
-
-	/**
-	 * @param int $addressBookId
-	 */
-	public function getAddressBookById($addressBookId) {
-		$query = $this->db->getQueryBuilder();
-		$result = $query->select(['id', 'uri', 'displayname', 'principaluri', 'description', 'synctoken'])
-			->from('addressbooks')
-			->where($query->expr()->eq('id', $query->createNamedParameter($addressBookId)))
-			->execute();
-
-		$row = $result->fetch();
-		$result->closeCursor();
-		if ($row === false) {
-			return null;
-		}
-
-		$addressBook = [
-			'id'  => $row['id'],
-			'uri' => $row['uri'],
-			'principaluri' => $row['principaluri'],
-			'{DAV:}displayname' => $row['displayname'],
-			'{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
-			'{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
-			'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-		];
-
-		$this->addOwnerPrincipal($addressBook);
-
-		return $addressBook;
-	}
-
-	/**
-	 * @param $addressBookUri
-	 * @return array|null
-	 */
-	public function getAddressBooksByUri($principal, $addressBookUri) {
-		$query = $this->db->getQueryBuilder();
-		$result = $query->select(['id', 'uri', 'displayname', 'principaluri', 'description', 'synctoken'])
-			->from('addressbooks')
-			->where($query->expr()->eq('uri', $query->createNamedParameter($addressBookUri)))
-			->andWhere($query->expr()->eq('principaluri', $query->createNamedParameter($principal)))
-			->setMaxResults(1)
-			->execute();
-
-		$row = $result->fetch();
-		$result->closeCursor();
-		if ($row === false) {
-			return null;
-		}
-
-		$addressBook = [
-			'id'  => $row['id'],
-			'uri' => $row['uri'],
-			'principaluri' => $row['principaluri'],
-			'{DAV:}displayname' => $row['displayname'],
-			'{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
-			'{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
-			'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-		];
-
-		$this->addOwnerPrincipal($addressBook);
-
-		return $addressBook;
-	}
-
-	/**
-	 * Updates properties for an address book.
-	 *
-	 * The list of mutations is stored in a Sabre\DAV\PropPatch object.
-	 * To do the actual updates, you must tell this object which properties
-	 * you're going to process with the handle() method.
-	 *
-	 * Calling the handle method is like telling the PropPatch object "I
-	 * promise I can handle updating this property".
-	 *
-	 * Read the PropPatch documentation for more info and examples.
-	 *
-	 * @param string $addressBookId
-	 * @param \Sabre\DAV\PropPatch $propPatch
-	 * @return void
-	 */
-	function updateAddressBook($addressBookId, \Sabre\DAV\PropPatch $propPatch) {
-		$supportedProperties = [
-			'{DAV:}displayname',
-			'{' . Plugin::NS_CARDDAV . '}addressbook-description',
-		];
-
-		/**
-		 * @suppress SqlInjectionChecker
-		 */
-		$propPatch->handle($supportedProperties, function($mutations) use ($addressBookId) {
-
-			$updates = [];
-			foreach($mutations as $property=>$newValue) {
-
-				switch($property) {
-					case '{DAV:}displayname' :
-						$updates['displayname'] = $newValue;
-						break;
-					case '{' . Plugin::NS_CARDDAV . '}addressbook-description' :
-						$updates['description'] = $newValue;
-						break;
-				}
-			}
-			$query = $this->db->getQueryBuilder();
-			$query->update('addressbooks');
-
-			foreach($updates as $key=>$value) {
-				$query->set($key, $query->createNamedParameter($value));
-			}
-			$query->where($query->expr()->eq('id', $query->createNamedParameter($addressBookId)))
-			->execute();
-
-			$this->addChange($addressBookId, "", 2);
-
-			return true;
-
-		});
-	}
-
-	/**
-	 * Creates a new address book
-	 *
-	 * @param string $principalUri
-	 * @param string $url Just the 'basename' of the url.
-	 * @param array $properties
-	 * @return int
-	 * @throws BadRequest
-	 */
-	function createAddressBook($principalUri, $url, array $properties) {
-		$values = [
-			'displayname' => null,
-			'description' => null,
-			'principaluri' => $principalUri,
-			'uri' => $url,
-			'synctoken' => 1
-		];
-
-		foreach($properties as $property=>$newValue) {
-
-			switch($property) {
-				case '{DAV:}displayname' :
-					$values['displayname'] = $newValue;
-					break;
-				case '{' . Plugin::NS_CARDDAV . '}addressbook-description' :
-					$values['description'] = $newValue;
-					break;
-				default :
-					throw new BadRequest('Unknown property: ' . $property);
-			}
-
-		}
-
-		// Fallback to make sure the displayname is set. Some clients may refuse
-		// to work with addressbooks not having a displayname.
-		if(is_null($values['displayname'])) {
-			$values['displayname'] = $url;
-		}
-
-		$query = $this->db->getQueryBuilder();
-		$query->insert('addressbooks')
-			->values([
-				'uri' => $query->createParameter('uri'),
-				'displayname' => $query->createParameter('displayname'),
-				'description' => $query->createParameter('description'),
-				'principaluri' => $query->createParameter('principaluri'),
-				'synctoken' => $query->createParameter('synctoken'),
-			])
-			->setParameters($values)
-			->execute();
-
-		return $query->getLastInsertId();
-	}
-
-	/**
-	 * Deletes an entire addressbook and all its contents
-	 *
-	 * @param mixed $addressBookId
-	 * @return void
-	 */
-	function deleteAddressBook($addressBookId) {
-		$query = $this->db->getQueryBuilder();
-		$query->delete('cards')
-			->where($query->expr()->eq('addressbookid', $query->createParameter('addressbookid')))
-			->setParameter('addressbookid', $addressBookId)
-			->execute();
-
-		$query->delete('addressbookchanges')
-			->where($query->expr()->eq('addressbookid', $query->createParameter('addressbookid')))
-			->setParameter('addressbookid', $addressBookId)
-			->execute();
-
-		$query->delete('addressbooks')
-			->where($query->expr()->eq('id', $query->createParameter('id')))
-			->setParameter('id', $addressBookId)
-			->execute();
-
-		$this->sharingBackend->deleteAllShares($addressBookId);
-
-		$query->delete($this->dbCardsPropertiesTable)
-			->where($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)))
-			->execute();
-
-	}
-
-	/**
-	 * Returns all cards for a specific addressbook id.
-	 *
-	 * This method should return the following properties for each card:
-	 *   * carddata - raw vcard data
-	 *   * uri - Some unique url
-	 *   * lastmodified - A unix timestamp
-	 *
-	 * It's recommended to also return the following properties:
-	 *   * etag - A unique etag. This must change every time the card changes.
-	 *   * size - The size of the card in bytes.
-	 *
-	 * If these last two properties are provided, less time will be spent
-	 * calculating them. If they are specified, you can also ommit carddata.
-	 * This may speed up certain requests, especially with large cards.
-	 *
-	 * @param mixed $addressBookId
-	 * @return array
-	 */
-	function getCards($addressBookId) {
-		$query = $this->db->getQueryBuilder();
-		$query->select(['id', 'uri', 'lastmodified', 'etag', 'size', 'carddata', 'uid'])
-			->from('cards')
-			->where($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)));
-
-		$cards = [];
-
-		$result = $query->execute();
-		while($row = $result->fetch()) {
-			$row['etag'] = '"' . $row['etag'] . '"';
-			$row['carddata'] = $this->readBlob($row['carddata']);
-			$cards[] = $row;
-		}
-		$result->closeCursor();
-
-		return $cards;
-	}
-
-	/**
-	 * Returns a specific card.
-	 *
-	 * The same set of properties must be returned as with getCards. The only
-	 * exception is that 'carddata' is absolutely required.
-	 *
-	 * If the card does not exist, you must return false.
-	 *
-	 * @param mixed $addressBookId
-	 * @param string $cardUri
-	 * @return array
-	 */
-	function getCard($addressBookId, $cardUri) {
-		$query = $this->db->getQueryBuilder();
-		$query->select(['id', 'uri', 'lastmodified', 'etag', 'size', 'carddata', 'uid'])
-			->from('cards')
-			->where($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)))
-			->andWhere($query->expr()->eq('uri', $query->createNamedParameter($cardUri)))
-			->setMaxResults(1);
-
-		$result = $query->execute();
-		$row = $result->fetch();
-		if (!$row) {
-			return false;
-		}
-		$row['etag'] = '"' . $row['etag'] . '"';
-		$row['carddata'] = $this->readBlob($row['carddata']);
-
-		return $row;
-	}
-
-	/**
-	 * Returns a list of cards.
-	 *
-	 * This method should work identical to getCard, but instead return all the
-	 * cards in the list as an array.
-	 *
-	 * If the backend supports this, it may allow for some speed-ups.
-	 *
-	 * @param mixed $addressBookId
-	 * @param string[] $uris
-	 * @return array
-	 */
-	function getMultipleCards($addressBookId, array $uris) {
-		if (empty($uris)) {
-			return [];
-		}
-
-		$chunks = array_chunk($uris, 100);
-		$cards = [];
-
-		$query = $this->db->getQueryBuilder();
-		$query->select(['id', 'uri', 'lastmodified', 'etag', 'size', 'carddata', 'uid'])
-			->from('cards')
-			->where($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)))
-			->andWhere($query->expr()->in('uri', $query->createParameter('uri')));
-
-		foreach ($chunks as $uris) {
-			$query->setParameter('uri', $uris, IQueryBuilder::PARAM_STR_ARRAY);
-			$result = $query->execute();
-
-			while ($row = $result->fetch()) {
-				$row['etag'] = '"' . $row['etag'] . '"';
-				$row['carddata'] = $this->readBlob($row['carddata']);
-				$cards[] = $row;
-			}
-			$result->closeCursor();
-		}
-		return $cards;
-	}
-
-	/**
-	 * Creates a new card.
-	 *
-	 * The addressbook id will be passed as the first argument. This is the
-	 * same id as it is returned from the getAddressBooksForUser method.
-	 *
-	 * The cardUri is a base uri, and doesn't include the full path. The
-	 * cardData argument is the vcard body, and is passed as a string.
-	 *
-	 * It is possible to return an ETag from this method. This ETag is for the
-	 * newly created resource, and must be enclosed with double quotes (that
-	 * is, the string itself must contain the double quotes).
-	 *
-	 * You should only return the ETag if you store the carddata as-is. If a
-	 * subsequent GET request on the same card does not have the same body,
-	 * byte-by-byte and you did return an ETag here, clients tend to get
-	 * confused.
-	 *
-	 * If you don't return an ETag, you can just return null.
-	 *
-	 * @param mixed $addressBookId
-	 * @param string $cardUri
-	 * @param string $cardData
-	 * @return string
-	 */
-	function createCard($addressBookId, $cardUri, $cardData) {
-		$etag = md5($cardData);
-		$uid = $this->getUID($cardData);
-
-		$q = $this->db->getQueryBuilder();
-		$q->select('uid')
-			->from('cards')
-			->where($q->expr()->eq('addressbookid', $q->createNamedParameter($addressBookId)))
-			->andWhere($q->expr()->eq('uid', $q->createNamedParameter($uid)))
-			->setMaxResults(1);
-		$result = $q->execute();
-		$count = (bool) $result->fetchColumn();
-		$result->closeCursor();
-		if ($count) {
-			throw new \Sabre\DAV\Exception\BadRequest('VCard object with uid already exists in this addressbook collection.');
-		}
-
-		$query = $this->db->getQueryBuilder();
-		$query->insert('cards')
-			->values([
-				'carddata' => $query->createNamedParameter($cardData, IQueryBuilder::PARAM_LOB),
-				'uri' => $query->createNamedParameter($cardUri),
-				'lastmodified' => $query->createNamedParameter(time()),
-				'addressbookid' => $query->createNamedParameter($addressBookId),
-				'size' => $query->createNamedParameter(strlen($cardData)),
-				'etag' => $query->createNamedParameter($etag),
-				'uid' => $query->createNamedParameter($uid),
-			])
-			->execute();
-
-		$this->addChange($addressBookId, $cardUri, 1);
-		$this->updateProperties($addressBookId, $cardUri, $cardData);
-
-		$this->dispatcher->dispatch('\OCA\DAV\CardDAV\CardDavBackend::createCard',
-			new GenericEvent(null, [
-				'addressBookId' => $addressBookId,
-				'cardUri' => $cardUri,
-				'cardData' => $cardData]));
-
-		return '"' . $etag . '"';
-	}
-
-	/**
-	 * Updates a card.
-	 *
-	 * The addressbook id will be passed as the first argument. This is the
-	 * same id as it is returned from the getAddressBooksForUser method.
-	 *
-	 * The cardUri is a base uri, and doesn't include the full path. The
-	 * cardData argument is the vcard body, and is passed as a string.
-	 *
-	 * It is possible to return an ETag from this method. This ETag should
-	 * match that of the updated resource, and must be enclosed with double
-	 * quotes (that is: the string itself must contain the actual quotes).
-	 *
-	 * You should only return the ETag if you store the carddata as-is. If a
-	 * subsequent GET request on the same card does not have the same body,
-	 * byte-by-byte and you did return an ETag here, clients tend to get
-	 * confused.
-	 *
-	 * If you don't return an ETag, you can just return null.
-	 *
-	 * @param mixed $addressBookId
-	 * @param string $cardUri
-	 * @param string $cardData
-	 * @return string
-	 */
-	function updateCard($addressBookId, $cardUri, $cardData) {
-
-		$uid = $this->getUID($cardData);
-		$etag = md5($cardData);
-		$query = $this->db->getQueryBuilder();
-		$query->update('cards')
-			->set('carddata', $query->createNamedParameter($cardData, IQueryBuilder::PARAM_LOB))
-			->set('lastmodified', $query->createNamedParameter(time()))
-			->set('size', $query->createNamedParameter(strlen($cardData)))
-			->set('etag', $query->createNamedParameter($etag))
-			->set('uid', $query->createNamedParameter($uid))
-			->where($query->expr()->eq('uri', $query->createNamedParameter($cardUri)))
-			->andWhere($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)))
-			->execute();
-
-		$this->addChange($addressBookId, $cardUri, 2);
-		$this->updateProperties($addressBookId, $cardUri, $cardData);
-
-		$this->dispatcher->dispatch('\OCA\DAV\CardDAV\CardDavBackend::updateCard',
-			new GenericEvent(null, [
-				'addressBookId' => $addressBookId,
-				'cardUri' => $cardUri,
-				'cardData' => $cardData]));
-
-		return '"' . $etag . '"';
-	}
-
-	/**
-	 * Deletes a card
-	 *
-	 * @param mixed $addressBookId
-	 * @param string $cardUri
-	 * @return bool
-	 */
-	function deleteCard($addressBookId, $cardUri) {
-		try {
-			$cardId = $this->getCardId($addressBookId, $cardUri);
-		} catch (\InvalidArgumentException $e) {
-			$cardId = null;
-		}
-		$query = $this->db->getQueryBuilder();
-		$ret = $query->delete('cards')
-			->where($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)))
-			->andWhere($query->expr()->eq('uri', $query->createNamedParameter($cardUri)))
-			->execute();
-
-		$this->addChange($addressBookId, $cardUri, 3);
-
-		$this->dispatcher->dispatch('\OCA\DAV\CardDAV\CardDavBackend::deleteCard',
-			new GenericEvent(null, [
-				'addressBookId' => $addressBookId,
-				'cardUri' => $cardUri]));
-
-		if ($ret === 1) {
-			if ($cardId !== null) {
-				$this->purgeProperties($addressBookId, $cardId);
-			}
-			return true;
-		}
-
-		return false;
-	}
-
-	/**
-	 * The getChanges method returns all the changes that have happened, since
-	 * the specified syncToken in the specified address book.
-	 *
-	 * This function should return an array, such as the following:
-	 *
-	 * [
-	 *   'syncToken' => 'The current synctoken',
-	 *   'added'   => [
-	 *      'new.txt',
-	 *   ],
-	 *   'modified'   => [
-	 *      'modified.txt',
-	 *   ],
-	 *   'deleted' => [
-	 *      'foo.php.bak',
-	 *      'old.txt'
-	 *   ]
-	 * ];
-	 *
-	 * The returned syncToken property should reflect the *current* syncToken
-	 * of the calendar, as reported in the {http://sabredav.org/ns}sync-token
-	 * property. This is needed here too, to ensure the operation is atomic.
-	 *
-	 * If the $syncToken argument is specified as null, this is an initial
-	 * sync, and all members should be reported.
-	 *
-	 * The modified property is an array of nodenames that have changed since
-	 * the last token.
-	 *
-	 * The deleted property is an array with nodenames, that have been deleted
-	 * from collection.
-	 *
-	 * The $syncLevel argument is basically the 'depth' of the report. If it's
-	 * 1, you only have to report changes that happened only directly in
-	 * immediate descendants. If it's 2, it should also include changes from
-	 * the nodes below the child collections. (grandchildren)
-	 *
-	 * The $limit argument allows a client to specify how many results should
-	 * be returned at most. If the limit is not specified, it should be treated
-	 * as infinite.
-	 *
-	 * If the limit (infinite or not) is higher than you're willing to return,
-	 * you should throw a Sabre\DAV\Exception\TooMuchMatches() exception.
-	 *
-	 * If the syncToken is expired (due to data cleanup) or unknown, you must
-	 * return null.
-	 *
-	 * The limit is 'suggestive'. You are free to ignore it.
-	 *
-	 * @param string $addressBookId
-	 * @param string $syncToken
-	 * @param int $syncLevel
-	 * @param int $limit
-	 * @return array
-	 */
-	function getChangesForAddressBook($addressBookId, $syncToken, $syncLevel, $limit = null) {
-		// Current synctoken
-		$stmt = $this->db->prepare('SELECT `synctoken` FROM `*PREFIX*addressbooks` WHERE `id` = ?');
-		$stmt->execute([ $addressBookId ]);
-		$currentToken = $stmt->fetchColumn(0);
-
-		if (is_null($currentToken)) return null;
-
-		$result = [
-			'syncToken' => $currentToken,
-			'added'     => [],
-			'modified'  => [],
-			'deleted'   => [],
-		];
-
-		if ($syncToken) {
-
-			$query = "SELECT `uri`, `operation` FROM `*PREFIX*addressbookchanges` WHERE `synctoken` >= ? AND `synctoken` < ? AND `addressbookid` = ? ORDER BY `synctoken`";
-			if ($limit>0) {
-				$query .= " LIMIT " . (int)$limit;
-			}
-
-			// Fetching all changes
-			$stmt = $this->db->prepare($query);
-			$stmt->execute([$syncToken, $currentToken, $addressBookId]);
-
-			$changes = [];
-
-			// This loop ensures that any duplicates are overwritten, only the
-			// last change on a node is relevant.
-			while($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
-
-				$changes[$row['uri']] = $row['operation'];
-
-			}
-
-			foreach($changes as $uri => $operation) {
-
-				switch($operation) {
-					case 1:
-						$result['added'][] = $uri;
-						break;
-					case 2:
-						$result['modified'][] = $uri;
-						break;
-					case 3:
-						$result['deleted'][] = $uri;
-						break;
-				}
-
-			}
-		} else {
-			// No synctoken supplied, this is the initial sync.
-			$query = "SELECT `uri` FROM `*PREFIX*cards` WHERE `addressbookid` = ?";
-			$stmt = $this->db->prepare($query);
-			$stmt->execute([$addressBookId]);
-
-			$result['added'] = $stmt->fetchAll(\PDO::FETCH_COLUMN);
-		}
-		return $result;
-	}
-
-	/**
-	 * Adds a change record to the addressbookchanges table.
-	 *
-	 * @param mixed $addressBookId
-	 * @param string $objectUri
-	 * @param int $operation 1 = add, 2 = modify, 3 = delete
-	 * @return void
-	 */
-	protected function addChange($addressBookId, $objectUri, $operation) {
-		$sql = 'INSERT INTO `*PREFIX*addressbookchanges`(`uri`, `synctoken`, `addressbookid`, `operation`) SELECT ?, `synctoken`, ?, ? FROM `*PREFIX*addressbooks` WHERE `id` = ?';
-		$stmt = $this->db->prepare($sql);
-		$stmt->execute([
-			$objectUri,
-			$addressBookId,
-			$operation,
-			$addressBookId
-		]);
-		$stmt = $this->db->prepare('UPDATE `*PREFIX*addressbooks` SET `synctoken` = `synctoken` + 1 WHERE `id` = ?');
-		$stmt->execute([
-			$addressBookId
-		]);
-	}
-
-	private function readBlob($cardData) {
-		if (is_resource($cardData)) {
-			return stream_get_contents($cardData);
-		}
-
-		return $cardData;
-	}
-
-	/**
-	 * @param IShareable $shareable
-	 * @param string[] $add
-	 * @param string[] $remove
-	 */
-	public function updateShares(IShareable $shareable, $add, $remove) {
-		$this->sharingBackend->updateShares($shareable, $add, $remove);
-	}
-
-	/**
-	 * search contact
-	 *
-	 * @param int $addressBookId
-	 * @param string $pattern which should match within the $searchProperties
-	 * @param array $searchProperties defines the properties within the query pattern should match
-	 * @param array $options = array() to define the search behavior
-	 * 	- 'escape_like_param' - If set to false wildcards _ and % are not escaped, otherwise they are
-	 * @return array an array of contacts which are arrays of key-value-pairs
-	 */
-	public function search($addressBookId, $pattern, $searchProperties, $options = array()) {
-		$query = $this->db->getQueryBuilder();
-		$query2 = $this->db->getQueryBuilder();
-
-		$query2->selectDistinct('cp.cardid')->from($this->dbCardsPropertiesTable, 'cp');
-		$query2->andWhere($query2->expr()->eq('cp.addressbookid', $query->createNamedParameter($addressBookId)));
-		$or = $query2->expr()->orX();
-		foreach ($searchProperties as $property) {
-			$or->add($query2->expr()->eq('cp.name', $query->createNamedParameter($property)));
-		}
-		$query2->andWhere($or);
-
-		// No need for like when the pattern is empty
-		if ('' !== $pattern) {
-			if(\array_key_exists('escape_like_param', $options) && $options['escape_like_param'] === false) {
-				$query2->andWhere($query2->expr()->ilike('cp.value', $query->createNamedParameter($pattern)));
-			} else {
-				$query2->andWhere($query2->expr()->ilike('cp.value', $query->createNamedParameter('%' . $this->db->escapeLikeParameter($pattern) . '%')));
-			}
-		}
-
-		$query->select('c.carddata', 'c.uri')->from($this->dbCardsTable, 'c')
-			->where($query->expr()->in('c.id', $query->createFunction($query2->getSQL())));
-
-		$result = $query->execute();
-		$cards = $result->fetchAll();
-
-		$result->closeCursor();
-
-		return array_map(function($array) {
-			$array['carddata'] = $this->readBlob($array['carddata']);
-			return $array;
-		}, $cards);
-	}
-
-	/**
-	 * @param int $bookId
-	 * @param string $name
-	 * @return array
-	 */
-	public function collectCardProperties($bookId, $name) {
-		$query = $this->db->getQueryBuilder();
-		$result = $query->selectDistinct('value')
-			->from($this->dbCardsPropertiesTable)
-			->where($query->expr()->eq('name', $query->createNamedParameter($name)))
-			->andWhere($query->expr()->eq('addressbookid', $query->createNamedParameter($bookId)))
-			->execute();
-
-		$all = $result->fetchAll(PDO::FETCH_COLUMN);
-		$result->closeCursor();
-
-		return $all;
-	}
-
-	/**
-	 * get URI from a given contact
-	 *
-	 * @param int $id
-	 * @return string
-	 */
-	public function getCardUri($id) {
-		$query = $this->db->getQueryBuilder();
-		$query->select('uri')->from($this->dbCardsTable)
-				->where($query->expr()->eq('id', $query->createParameter('id')))
-				->setParameter('id', $id);
-
-		$result = $query->execute();
-		$uri = $result->fetch();
-		$result->closeCursor();
-
-		if (!isset($uri['uri'])) {
-			throw new \InvalidArgumentException('Card does not exists: ' . $id);
-		}
-
-		return $uri['uri'];
-	}
-
-	/**
-	 * return contact with the given URI
-	 *
-	 * @param int $addressBookId
-	 * @param string $uri
-	 * @returns array
-	 */
-	public function getContact($addressBookId, $uri) {
-		$result = [];
-		$query = $this->db->getQueryBuilder();
-		$query->select('*')->from($this->dbCardsTable)
-				->where($query->expr()->eq('uri', $query->createNamedParameter($uri)))
-				->andWhere($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)));
-		$queryResult = $query->execute();
-		$contact = $queryResult->fetch();
-		$queryResult->closeCursor();
-
-		if (is_array($contact)) {
-			$result = $contact;
-		}
-
-		return $result;
-	}
-
-	/**
-	 * Returns the list of people whom this address book is shared with.
-	 *
-	 * Every element in this array should have the following properties:
-	 *   * href - Often a mailto: address
-	 *   * commonName - Optional, for example a first + last name
-	 *   * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
-	 *   * readOnly - boolean
-	 *   * summary - Optional, a description for the share
-	 *
-	 * @return array
-	 */
-	public function getShares($addressBookId) {
-		return $this->sharingBackend->getShares($addressBookId);
-	}
-
-	/**
-	 * update properties table
-	 *
-	 * @param int $addressBookId
-	 * @param string $cardUri
-	 * @param string $vCardSerialized
-	 */
-	protected function updateProperties($addressBookId, $cardUri, $vCardSerialized) {
-		$cardId = $this->getCardId($addressBookId, $cardUri);
-		$vCard = $this->readCard($vCardSerialized);
-
-		$this->purgeProperties($addressBookId, $cardId);
-
-		$query = $this->db->getQueryBuilder();
-		$query->insert($this->dbCardsPropertiesTable)
-			->values(
-				[
-					'addressbookid' => $query->createNamedParameter($addressBookId),
-					'cardid' => $query->createNamedParameter($cardId),
-					'name' => $query->createParameter('name'),
-					'value' => $query->createParameter('value'),
-					'preferred' => $query->createParameter('preferred')
-				]
-			);
-
-		foreach ($vCard->children() as $property) {
-			if(!in_array($property->name, self::$indexProperties)) {
-				continue;
-			}
-			$preferred = 0;
-			foreach($property->parameters as $parameter) {
-				if ($parameter->name === 'TYPE' && strtoupper($parameter->getValue()) === 'PREF') {
-					$preferred = 1;
-					break;
-				}
-			}
-			$query->setParameter('name', $property->name);
-			$query->setParameter('value', substr($property->getValue(), 0, 254));
-			$query->setParameter('preferred', $preferred);
-			$query->execute();
-		}
-	}
-
-	/**
-	 * read vCard data into a vCard object
-	 *
-	 * @param string $cardData
-	 * @return VCard
-	 */
-	protected function readCard($cardData) {
-		return  Reader::read($cardData);
-	}
-
-	/**
-	 * delete all properties from a given card
-	 *
-	 * @param int $addressBookId
-	 * @param int $cardId
-	 */
-	protected function purgeProperties($addressBookId, $cardId) {
-		$query = $this->db->getQueryBuilder();
-		$query->delete($this->dbCardsPropertiesTable)
-			->where($query->expr()->eq('cardid', $query->createNamedParameter($cardId)))
-			->andWhere($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)));
-		$query->execute();
-	}
-
-	/**
-	 * get ID from a given contact
-	 *
-	 * @param int $addressBookId
-	 * @param string $uri
-	 * @return int
-	 */
-	protected function getCardId($addressBookId, $uri) {
-		$query = $this->db->getQueryBuilder();
-		$query->select('id')->from($this->dbCardsTable)
-			->where($query->expr()->eq('uri', $query->createNamedParameter($uri)))
-			->andWhere($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)));
-
-		$result = $query->execute();
-		$cardIds = $result->fetch();
-		$result->closeCursor();
-
-		if (!isset($cardIds['id'])) {
-			throw new \InvalidArgumentException('Card does not exists: ' . $uri);
-		}
-
-		return (int)$cardIds['id'];
-	}
-
-	/**
-	 * For shared address books the sharee is set in the ACL of the address book
-	 * @param $addressBookId
-	 * @param $acl
-	 * @return array
-	 */
-	public function applyShareAcl($addressBookId, $acl) {
-		return $this->sharingBackend->applyShareAcl($addressBookId, $acl);
-	}
-
-	private function convertPrincipal($principalUri, $toV2) {
-		if ($this->principalBackend->getPrincipalPrefix() === 'principals') {
-			list(, $name) = \Sabre\Uri\split($principalUri);
-			if ($toV2 === true) {
-				return "principals/users/$name";
-			}
-			return "principals/$name";
-		}
-		return $principalUri;
-	}
-
-	private function addOwnerPrincipal(&$addressbookInfo) {
-		$ownerPrincipalKey = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal';
-		$displaynameKey = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_NEXTCLOUD . '}owner-displayname';
-		if (isset($addressbookInfo[$ownerPrincipalKey])) {
-			$uri = $addressbookInfo[$ownerPrincipalKey];
-		} else {
-			$uri = $addressbookInfo['principaluri'];
-		}
-
-		$principalInformation = $this->principalBackend->getPrincipalByPath($uri);
-		if (isset($principalInformation['{DAV:}displayname'])) {
-			$addressbookInfo[$displaynameKey] = $principalInformation['{DAV:}displayname'];
-		}
-	}
-
-	/**
-	 * Extract UID from vcard
-	 *
-	 * @param string $cardData the vcard raw data
-	 * @return string the uid
-	 * @throws BadRequest if no UID is available
-	 */
-	private function getUID($cardData) {
-		if ($cardData != '') {
-			$vCard = Reader::read($cardData);
-			if ($vCard->UID) {
-				$uid = $vCard->UID->getValue();
-				return $uid;
-			}
-			// should already be handled, but just in case
-			throw new BadRequest('vCards on CardDAV servers MUST have a UID property');
-		}
-		// should already be handled, but just in case
-		throw new BadRequest('vCard can not be empty');
-	}
+    const PERSONAL_ADDRESSBOOK_URI = 'contacts';
+    const PERSONAL_ADDRESSBOOK_NAME = 'Contacts';
+
+    /** @var Principal */
+    private $principalBackend;
+
+    /** @var string */
+    private $dbCardsTable = 'cards';
+
+    /** @var string */
+    private $dbCardsPropertiesTable = 'cards_properties';
+
+    /** @var IDBConnection */
+    private $db;
+
+    /** @var Backend */
+    private $sharingBackend;
+
+    /** @var array properties to index */
+    public static $indexProperties = array(
+            'BDAY', 'UID', 'N', 'FN', 'TITLE', 'ROLE', 'NOTE', 'NICKNAME',
+            'ORG', 'CATEGORIES', 'EMAIL', 'TEL', 'IMPP', 'ADR', 'URL', 'GEO', 'CLOUD');
+
+    /**
+     * @var string[] Map of uid => display name
+     */
+    protected $userDisplayNames;
+
+    /** @var IUserManager */
+    private $userManager;
+
+    /** @var EventDispatcherInterface */
+    private $dispatcher;
+
+    /**
+     * CardDavBackend constructor.
+     *
+     * @param IDBConnection $db
+     * @param Principal $principalBackend
+     * @param IUserManager $userManager
+     * @param IGroupManager $groupManager
+     * @param EventDispatcherInterface $dispatcher
+     */
+    public function __construct(IDBConnection $db,
+                                Principal $principalBackend,
+                                IUserManager $userManager,
+                                IGroupManager $groupManager,
+                                EventDispatcherInterface $dispatcher) {
+        $this->db = $db;
+        $this->principalBackend = $principalBackend;
+        $this->userManager = $userManager;
+        $this->dispatcher = $dispatcher;
+        $this->sharingBackend = new Backend($this->db, $this->userManager, $groupManager, $principalBackend, 'addressbook');
+    }
+
+    /**
+     * Return the number of address books for a principal
+     *
+     * @param $principalUri
+     * @return int
+     */
+    public function getAddressBooksForUserCount($principalUri) {
+        $principalUri = $this->convertPrincipal($principalUri, true);
+        $query = $this->db->getQueryBuilder();
+        $query->select($query->func()->count('*'))
+            ->from('addressbooks')
+            ->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
+
+        return (int)$query->execute()->fetchColumn();
+    }
+
+    /**
+     * Returns the list of address books for a specific user.
+     *
+     * Every addressbook should have the following properties:
+     *   id - an arbitrary unique id
+     *   uri - the 'basename' part of the url
+     *   principaluri - Same as the passed parameter
+     *
+     * Any additional clark-notation property may be passed besides this. Some
+     * common ones are :
+     *   {DAV:}displayname
+     *   {urn:ietf:params:xml:ns:carddav}addressbook-description
+     *   {http://calendarserver.org/ns/}getctag
+     *
+     * @param string $principalUri
+     * @return array
+     */
+    function getAddressBooksForUser($principalUri) {
+        $principalUriOriginal = $principalUri;
+        $principalUri = $this->convertPrincipal($principalUri, true);
+        $query = $this->db->getQueryBuilder();
+        $query->select(['id', 'uri', 'displayname', 'principaluri', 'description', 'synctoken'])
+            ->from('addressbooks')
+            ->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
+
+        $addressBooks = [];
+
+        $result = $query->execute();
+        while($row = $result->fetch()) {
+            $addressBooks[$row['id']] = [
+                'id'  => $row['id'],
+                'uri' => $row['uri'],
+                'principaluri' => $this->convertPrincipal($row['principaluri'], false),
+                '{DAV:}displayname' => $row['displayname'],
+                '{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
+                '{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
+                '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+            ];
+
+            $this->addOwnerPrincipal($addressBooks[$row['id']]);
+        }
+        $result->closeCursor();
+
+        // query for shared addressbooks
+        $principals = $this->principalBackend->getGroupMembership($principalUriOriginal, true);
+        $principals = array_merge($principals, $this->principalBackend->getCircleMembership($principalUriOriginal));
+
+        $principals = array_map(function($principal) {
+            return urldecode($principal);
+        }, $principals);
+        $principals[]= $principalUri;
+
+        $query = $this->db->getQueryBuilder();
+        $result = $query->select(['a.id', 'a.uri', 'a.displayname', 'a.principaluri', 'a.description', 'a.synctoken', 's.access'])
+            ->from('dav_shares', 's')
+            ->join('s', 'addressbooks', 'a', $query->expr()->eq('s.resourceid', 'a.id'))
+            ->where($query->expr()->in('s.principaluri', $query->createParameter('principaluri')))
+            ->andWhere($query->expr()->eq('s.type', $query->createParameter('type')))
+            ->setParameter('type', 'addressbook')
+            ->setParameter('principaluri', $principals, IQueryBuilder::PARAM_STR_ARRAY)
+            ->execute();
+
+        $readOnlyPropertyName = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only';
+        while($row = $result->fetch()) {
+            if ($row['principaluri'] === $principalUri) {
+                continue;
+            }
+
+            $readOnly = (int) $row['access'] === Backend::ACCESS_READ;
+            if (isset($addressBooks[$row['id']])) {
+                if ($readOnly) {
+                    // New share can not have more permissions then the old one.
+                    continue;
+                }
+                if (isset($addressBooks[$row['id']][$readOnlyPropertyName]) &&
+                    $addressBooks[$row['id']][$readOnlyPropertyName] === 0) {
+                    // Old share is already read-write, no more permissions can be gained
+                    continue;
+                }
+            }
+
+            list(, $name) = \Sabre\Uri\split($row['principaluri']);
+            $uri = $row['uri'] . '_shared_by_' . $name;
+            $displayName = $row['displayname'] . ' (' . $this->getUserDisplayName($name) . ')';
+
+            $addressBooks[$row['id']] = [
+                'id'  => $row['id'],
+                'uri' => $uri,
+                'principaluri' => $principalUriOriginal,
+                '{DAV:}displayname' => $displayName,
+                '{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
+                '{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
+                '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+                '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $row['principaluri'],
+                $readOnlyPropertyName => $readOnly,
+            ];
+
+            $this->addOwnerPrincipal($addressBooks[$row['id']]);
+        }
+        $result->closeCursor();
+
+        return array_values($addressBooks);
+    }
+
+    public function getUsersOwnAddressBooks($principalUri) {
+        $principalUri = $this->convertPrincipal($principalUri, true);
+        $query = $this->db->getQueryBuilder();
+        $query->select(['id', 'uri', 'displayname', 'principaluri', 'description', 'synctoken'])
+                ->from('addressbooks')
+                ->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
+
+        $addressBooks = [];
+
+        $result = $query->execute();
+        while($row = $result->fetch()) {
+            $addressBooks[$row['id']] = [
+                'id'  => $row['id'],
+                'uri' => $row['uri'],
+                'principaluri' => $this->convertPrincipal($row['principaluri'], false),
+                '{DAV:}displayname' => $row['displayname'],
+                '{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
+                '{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
+                '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+            ];
+
+            $this->addOwnerPrincipal($addressBooks[$row['id']]);
+        }
+        $result->closeCursor();
+
+        return array_values($addressBooks);
+    }
+
+    private function getUserDisplayName($uid) {
+        if (!isset($this->userDisplayNames[$uid])) {
+            $user = $this->userManager->get($uid);
+
+            if ($user instanceof IUser) {
+                $this->userDisplayNames[$uid] = $user->getDisplayName();
+            } else {
+                $this->userDisplayNames[$uid] = $uid;
+            }
+        }
+
+        return $this->userDisplayNames[$uid];
+    }
+
+    /**
+     * @param int $addressBookId
+     */
+    public function getAddressBookById($addressBookId) {
+        $query = $this->db->getQueryBuilder();
+        $result = $query->select(['id', 'uri', 'displayname', 'principaluri', 'description', 'synctoken'])
+            ->from('addressbooks')
+            ->where($query->expr()->eq('id', $query->createNamedParameter($addressBookId)))
+            ->execute();
+
+        $row = $result->fetch();
+        $result->closeCursor();
+        if ($row === false) {
+            return null;
+        }
+
+        $addressBook = [
+            'id'  => $row['id'],
+            'uri' => $row['uri'],
+            'principaluri' => $row['principaluri'],
+            '{DAV:}displayname' => $row['displayname'],
+            '{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
+            '{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
+            '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+        ];
+
+        $this->addOwnerPrincipal($addressBook);
+
+        return $addressBook;
+    }
+
+    /**
+     * @param $addressBookUri
+     * @return array|null
+     */
+    public function getAddressBooksByUri($principal, $addressBookUri) {
+        $query = $this->db->getQueryBuilder();
+        $result = $query->select(['id', 'uri', 'displayname', 'principaluri', 'description', 'synctoken'])
+            ->from('addressbooks')
+            ->where($query->expr()->eq('uri', $query->createNamedParameter($addressBookUri)))
+            ->andWhere($query->expr()->eq('principaluri', $query->createNamedParameter($principal)))
+            ->setMaxResults(1)
+            ->execute();
+
+        $row = $result->fetch();
+        $result->closeCursor();
+        if ($row === false) {
+            return null;
+        }
+
+        $addressBook = [
+            'id'  => $row['id'],
+            'uri' => $row['uri'],
+            'principaluri' => $row['principaluri'],
+            '{DAV:}displayname' => $row['displayname'],
+            '{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
+            '{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
+            '{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+        ];
+
+        $this->addOwnerPrincipal($addressBook);
+
+        return $addressBook;
+    }
+
+    /**
+     * Updates properties for an address book.
+     *
+     * The list of mutations is stored in a Sabre\DAV\PropPatch object.
+     * To do the actual updates, you must tell this object which properties
+     * you're going to process with the handle() method.
+     *
+     * Calling the handle method is like telling the PropPatch object "I
+     * promise I can handle updating this property".
+     *
+     * Read the PropPatch documentation for more info and examples.
+     *
+     * @param string $addressBookId
+     * @param \Sabre\DAV\PropPatch $propPatch
+     * @return void
+     */
+    function updateAddressBook($addressBookId, \Sabre\DAV\PropPatch $propPatch) {
+        $supportedProperties = [
+            '{DAV:}displayname',
+            '{' . Plugin::NS_CARDDAV . '}addressbook-description',
+        ];
+
+        /**
+         * @suppress SqlInjectionChecker
+         */
+        $propPatch->handle($supportedProperties, function($mutations) use ($addressBookId) {
+
+            $updates = [];
+            foreach($mutations as $property=>$newValue) {
+
+                switch($property) {
+                    case '{DAV:}displayname' :
+                        $updates['displayname'] = $newValue;
+                        break;
+                    case '{' . Plugin::NS_CARDDAV . '}addressbook-description' :
+                        $updates['description'] = $newValue;
+                        break;
+                }
+            }
+            $query = $this->db->getQueryBuilder();
+            $query->update('addressbooks');
+
+            foreach($updates as $key=>$value) {
+                $query->set($key, $query->createNamedParameter($value));
+            }
+            $query->where($query->expr()->eq('id', $query->createNamedParameter($addressBookId)))
+            ->execute();
+
+            $this->addChange($addressBookId, "", 2);
+
+            return true;
+
+        });
+    }
+
+    /**
+     * Creates a new address book
+     *
+     * @param string $principalUri
+     * @param string $url Just the 'basename' of the url.
+     * @param array $properties
+     * @return int
+     * @throws BadRequest
+     */
+    function createAddressBook($principalUri, $url, array $properties) {
+        $values = [
+            'displayname' => null,
+            'description' => null,
+            'principaluri' => $principalUri,
+            'uri' => $url,
+            'synctoken' => 1
+        ];
+
+        foreach($properties as $property=>$newValue) {
+
+            switch($property) {
+                case '{DAV:}displayname' :
+                    $values['displayname'] = $newValue;
+                    break;
+                case '{' . Plugin::NS_CARDDAV . '}addressbook-description' :
+                    $values['description'] = $newValue;
+                    break;
+                default :
+                    throw new BadRequest('Unknown property: ' . $property);
+            }
+
+        }
+
+        // Fallback to make sure the displayname is set. Some clients may refuse
+        // to work with addressbooks not having a displayname.
+        if(is_null($values['displayname'])) {
+            $values['displayname'] = $url;
+        }
+
+        $query = $this->db->getQueryBuilder();
+        $query->insert('addressbooks')
+            ->values([
+                'uri' => $query->createParameter('uri'),
+                'displayname' => $query->createParameter('displayname'),
+                'description' => $query->createParameter('description'),
+                'principaluri' => $query->createParameter('principaluri'),
+                'synctoken' => $query->createParameter('synctoken'),
+            ])
+            ->setParameters($values)
+            ->execute();
+
+        return $query->getLastInsertId();
+    }
+
+    /**
+     * Deletes an entire addressbook and all its contents
+     *
+     * @param mixed $addressBookId
+     * @return void
+     */
+    function deleteAddressBook($addressBookId) {
+        $query = $this->db->getQueryBuilder();
+        $query->delete('cards')
+            ->where($query->expr()->eq('addressbookid', $query->createParameter('addressbookid')))
+            ->setParameter('addressbookid', $addressBookId)
+            ->execute();
+
+        $query->delete('addressbookchanges')
+            ->where($query->expr()->eq('addressbookid', $query->createParameter('addressbookid')))
+            ->setParameter('addressbookid', $addressBookId)
+            ->execute();
+
+        $query->delete('addressbooks')
+            ->where($query->expr()->eq('id', $query->createParameter('id')))
+            ->setParameter('id', $addressBookId)
+            ->execute();
+
+        $this->sharingBackend->deleteAllShares($addressBookId);
+
+        $query->delete($this->dbCardsPropertiesTable)
+            ->where($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)))
+            ->execute();
+
+    }
+
+    /**
+     * Returns all cards for a specific addressbook id.
+     *
+     * This method should return the following properties for each card:
+     *   * carddata - raw vcard data
+     *   * uri - Some unique url
+     *   * lastmodified - A unix timestamp
+     *
+     * It's recommended to also return the following properties:
+     *   * etag - A unique etag. This must change every time the card changes.
+     *   * size - The size of the card in bytes.
+     *
+     * If these last two properties are provided, less time will be spent
+     * calculating them. If they are specified, you can also ommit carddata.
+     * This may speed up certain requests, especially with large cards.
+     *
+     * @param mixed $addressBookId
+     * @return array
+     */
+    function getCards($addressBookId) {
+        $query = $this->db->getQueryBuilder();
+        $query->select(['id', 'uri', 'lastmodified', 'etag', 'size', 'carddata', 'uid'])
+            ->from('cards')
+            ->where($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)));
+
+        $cards = [];
+
+        $result = $query->execute();
+        while($row = $result->fetch()) {
+            $row['etag'] = '"' . $row['etag'] . '"';
+            $row['carddata'] = $this->readBlob($row['carddata']);
+            $cards[] = $row;
+        }
+        $result->closeCursor();
+
+        return $cards;
+    }
+
+    /**
+     * Returns a specific card.
+     *
+     * The same set of properties must be returned as with getCards. The only
+     * exception is that 'carddata' is absolutely required.
+     *
+     * If the card does not exist, you must return false.
+     *
+     * @param mixed $addressBookId
+     * @param string $cardUri
+     * @return array
+     */
+    function getCard($addressBookId, $cardUri) {
+        $query = $this->db->getQueryBuilder();
+        $query->select(['id', 'uri', 'lastmodified', 'etag', 'size', 'carddata', 'uid'])
+            ->from('cards')
+            ->where($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)))
+            ->andWhere($query->expr()->eq('uri', $query->createNamedParameter($cardUri)))
+            ->setMaxResults(1);
+
+        $result = $query->execute();
+        $row = $result->fetch();
+        if (!$row) {
+            return false;
+        }
+        $row['etag'] = '"' . $row['etag'] . '"';
+        $row['carddata'] = $this->readBlob($row['carddata']);
+
+        return $row;
+    }
+
+    /**
+     * Returns a list of cards.
+     *
+     * This method should work identical to getCard, but instead return all the
+     * cards in the list as an array.
+     *
+     * If the backend supports this, it may allow for some speed-ups.
+     *
+     * @param mixed $addressBookId
+     * @param string[] $uris
+     * @return array
+     */
+    function getMultipleCards($addressBookId, array $uris) {
+        if (empty($uris)) {
+            return [];
+        }
+
+        $chunks = array_chunk($uris, 100);
+        $cards = [];
+
+        $query = $this->db->getQueryBuilder();
+        $query->select(['id', 'uri', 'lastmodified', 'etag', 'size', 'carddata', 'uid'])
+            ->from('cards')
+            ->where($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)))
+            ->andWhere($query->expr()->in('uri', $query->createParameter('uri')));
+
+        foreach ($chunks as $uris) {
+            $query->setParameter('uri', $uris, IQueryBuilder::PARAM_STR_ARRAY);
+            $result = $query->execute();
+
+            while ($row = $result->fetch()) {
+                $row['etag'] = '"' . $row['etag'] . '"';
+                $row['carddata'] = $this->readBlob($row['carddata']);
+                $cards[] = $row;
+            }
+            $result->closeCursor();
+        }
+        return $cards;
+    }
+
+    /**
+     * Creates a new card.
+     *
+     * The addressbook id will be passed as the first argument. This is the
+     * same id as it is returned from the getAddressBooksForUser method.
+     *
+     * The cardUri is a base uri, and doesn't include the full path. The
+     * cardData argument is the vcard body, and is passed as a string.
+     *
+     * It is possible to return an ETag from this method. This ETag is for the
+     * newly created resource, and must be enclosed with double quotes (that
+     * is, the string itself must contain the double quotes).
+     *
+     * You should only return the ETag if you store the carddata as-is. If a
+     * subsequent GET request on the same card does not have the same body,
+     * byte-by-byte and you did return an ETag here, clients tend to get
+     * confused.
+     *
+     * If you don't return an ETag, you can just return null.
+     *
+     * @param mixed $addressBookId
+     * @param string $cardUri
+     * @param string $cardData
+     * @return string
+     */
+    function createCard($addressBookId, $cardUri, $cardData) {
+        $etag = md5($cardData);
+        $uid = $this->getUID($cardData);
+
+        $q = $this->db->getQueryBuilder();
+        $q->select('uid')
+            ->from('cards')
+            ->where($q->expr()->eq('addressbookid', $q->createNamedParameter($addressBookId)))
+            ->andWhere($q->expr()->eq('uid', $q->createNamedParameter($uid)))
+            ->setMaxResults(1);
+        $result = $q->execute();
+        $count = (bool) $result->fetchColumn();
+        $result->closeCursor();
+        if ($count) {
+            throw new \Sabre\DAV\Exception\BadRequest('VCard object with uid already exists in this addressbook collection.');
+        }
+
+        $query = $this->db->getQueryBuilder();
+        $query->insert('cards')
+            ->values([
+                'carddata' => $query->createNamedParameter($cardData, IQueryBuilder::PARAM_LOB),
+                'uri' => $query->createNamedParameter($cardUri),
+                'lastmodified' => $query->createNamedParameter(time()),
+                'addressbookid' => $query->createNamedParameter($addressBookId),
+                'size' => $query->createNamedParameter(strlen($cardData)),
+                'etag' => $query->createNamedParameter($etag),
+                'uid' => $query->createNamedParameter($uid),
+            ])
+            ->execute();
+
+        $this->addChange($addressBookId, $cardUri, 1);
+        $this->updateProperties($addressBookId, $cardUri, $cardData);
+
+        $this->dispatcher->dispatch('\OCA\DAV\CardDAV\CardDavBackend::createCard',
+            new GenericEvent(null, [
+                'addressBookId' => $addressBookId,
+                'cardUri' => $cardUri,
+                'cardData' => $cardData]));
+
+        return '"' . $etag . '"';
+    }
+
+    /**
+     * Updates a card.
+     *
+     * The addressbook id will be passed as the first argument. This is the
+     * same id as it is returned from the getAddressBooksForUser method.
+     *
+     * The cardUri is a base uri, and doesn't include the full path. The
+     * cardData argument is the vcard body, and is passed as a string.
+     *
+     * It is possible to return an ETag from this method. This ETag should
+     * match that of the updated resource, and must be enclosed with double
+     * quotes (that is: the string itself must contain the actual quotes).
+     *
+     * You should only return the ETag if you store the carddata as-is. If a
+     * subsequent GET request on the same card does not have the same body,
+     * byte-by-byte and you did return an ETag here, clients tend to get
+     * confused.
+     *
+     * If you don't return an ETag, you can just return null.
+     *
+     * @param mixed $addressBookId
+     * @param string $cardUri
+     * @param string $cardData
+     * @return string
+     */
+    function updateCard($addressBookId, $cardUri, $cardData) {
+
+        $uid = $this->getUID($cardData);
+        $etag = md5($cardData);
+        $query = $this->db->getQueryBuilder();
+        $query->update('cards')
+            ->set('carddata', $query->createNamedParameter($cardData, IQueryBuilder::PARAM_LOB))
+            ->set('lastmodified', $query->createNamedParameter(time()))
+            ->set('size', $query->createNamedParameter(strlen($cardData)))
+            ->set('etag', $query->createNamedParameter($etag))
+            ->set('uid', $query->createNamedParameter($uid))
+            ->where($query->expr()->eq('uri', $query->createNamedParameter($cardUri)))
+            ->andWhere($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)))
+            ->execute();
+
+        $this->addChange($addressBookId, $cardUri, 2);
+        $this->updateProperties($addressBookId, $cardUri, $cardData);
+
+        $this->dispatcher->dispatch('\OCA\DAV\CardDAV\CardDavBackend::updateCard',
+            new GenericEvent(null, [
+                'addressBookId' => $addressBookId,
+                'cardUri' => $cardUri,
+                'cardData' => $cardData]));
+
+        return '"' . $etag . '"';
+    }
+
+    /**
+     * Deletes a card
+     *
+     * @param mixed $addressBookId
+     * @param string $cardUri
+     * @return bool
+     */
+    function deleteCard($addressBookId, $cardUri) {
+        try {
+            $cardId = $this->getCardId($addressBookId, $cardUri);
+        } catch (\InvalidArgumentException $e) {
+            $cardId = null;
+        }
+        $query = $this->db->getQueryBuilder();
+        $ret = $query->delete('cards')
+            ->where($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)))
+            ->andWhere($query->expr()->eq('uri', $query->createNamedParameter($cardUri)))
+            ->execute();
+
+        $this->addChange($addressBookId, $cardUri, 3);
+
+        $this->dispatcher->dispatch('\OCA\DAV\CardDAV\CardDavBackend::deleteCard',
+            new GenericEvent(null, [
+                'addressBookId' => $addressBookId,
+                'cardUri' => $cardUri]));
+
+        if ($ret === 1) {
+            if ($cardId !== null) {
+                $this->purgeProperties($addressBookId, $cardId);
+            }
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * The getChanges method returns all the changes that have happened, since
+     * the specified syncToken in the specified address book.
+     *
+     * This function should return an array, such as the following:
+     *
+     * [
+     *   'syncToken' => 'The current synctoken',
+     *   'added'   => [
+     *      'new.txt',
+     *   ],
+     *   'modified'   => [
+     *      'modified.txt',
+     *   ],
+     *   'deleted' => [
+     *      'foo.php.bak',
+     *      'old.txt'
+     *   ]
+     * ];
+     *
+     * The returned syncToken property should reflect the *current* syncToken
+     * of the calendar, as reported in the {http://sabredav.org/ns}sync-token
+     * property. This is needed here too, to ensure the operation is atomic.
+     *
+     * If the $syncToken argument is specified as null, this is an initial
+     * sync, and all members should be reported.
+     *
+     * The modified property is an array of nodenames that have changed since
+     * the last token.
+     *
+     * The deleted property is an array with nodenames, that have been deleted
+     * from collection.
+     *
+     * The $syncLevel argument is basically the 'depth' of the report. If it's
+     * 1, you only have to report changes that happened only directly in
+     * immediate descendants. If it's 2, it should also include changes from
+     * the nodes below the child collections. (grandchildren)
+     *
+     * The $limit argument allows a client to specify how many results should
+     * be returned at most. If the limit is not specified, it should be treated
+     * as infinite.
+     *
+     * If the limit (infinite or not) is higher than you're willing to return,
+     * you should throw a Sabre\DAV\Exception\TooMuchMatches() exception.
+     *
+     * If the syncToken is expired (due to data cleanup) or unknown, you must
+     * return null.
+     *
+     * The limit is 'suggestive'. You are free to ignore it.
+     *
+     * @param string $addressBookId
+     * @param string $syncToken
+     * @param int $syncLevel
+     * @param int $limit
+     * @return array
+     */
+    function getChangesForAddressBook($addressBookId, $syncToken, $syncLevel, $limit = null) {
+        // Current synctoken
+        $stmt = $this->db->prepare('SELECT `synctoken` FROM `*PREFIX*addressbooks` WHERE `id` = ?');
+        $stmt->execute([ $addressBookId ]);
+        $currentToken = $stmt->fetchColumn(0);
+
+        if (is_null($currentToken)) return null;
+
+        $result = [
+            'syncToken' => $currentToken,
+            'added'     => [],
+            'modified'  => [],
+            'deleted'   => [],
+        ];
+
+        if ($syncToken) {
+
+            $query = "SELECT `uri`, `operation` FROM `*PREFIX*addressbookchanges` WHERE `synctoken` >= ? AND `synctoken` < ? AND `addressbookid` = ? ORDER BY `synctoken`";
+            if ($limit>0) {
+                $query .= " LIMIT " . (int)$limit;
+            }
+
+            // Fetching all changes
+            $stmt = $this->db->prepare($query);
+            $stmt->execute([$syncToken, $currentToken, $addressBookId]);
+
+            $changes = [];
+
+            // This loop ensures that any duplicates are overwritten, only the
+            // last change on a node is relevant.
+            while($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
+
+                $changes[$row['uri']] = $row['operation'];
+
+            }
+
+            foreach($changes as $uri => $operation) {
+
+                switch($operation) {
+                    case 1:
+                        $result['added'][] = $uri;
+                        break;
+                    case 2:
+                        $result['modified'][] = $uri;
+                        break;
+                    case 3:
+                        $result['deleted'][] = $uri;
+                        break;
+                }
+
+            }
+        } else {
+            // No synctoken supplied, this is the initial sync.
+            $query = "SELECT `uri` FROM `*PREFIX*cards` WHERE `addressbookid` = ?";
+            $stmt = $this->db->prepare($query);
+            $stmt->execute([$addressBookId]);
+
+            $result['added'] = $stmt->fetchAll(\PDO::FETCH_COLUMN);
+        }
+        return $result;
+    }
+
+    /**
+     * Adds a change record to the addressbookchanges table.
+     *
+     * @param mixed $addressBookId
+     * @param string $objectUri
+     * @param int $operation 1 = add, 2 = modify, 3 = delete
+     * @return void
+     */
+    protected function addChange($addressBookId, $objectUri, $operation) {
+        $sql = 'INSERT INTO `*PREFIX*addressbookchanges`(`uri`, `synctoken`, `addressbookid`, `operation`) SELECT ?, `synctoken`, ?, ? FROM `*PREFIX*addressbooks` WHERE `id` = ?';
+        $stmt = $this->db->prepare($sql);
+        $stmt->execute([
+            $objectUri,
+            $addressBookId,
+            $operation,
+            $addressBookId
+        ]);
+        $stmt = $this->db->prepare('UPDATE `*PREFIX*addressbooks` SET `synctoken` = `synctoken` + 1 WHERE `id` = ?');
+        $stmt->execute([
+            $addressBookId
+        ]);
+    }
+
+    private function readBlob($cardData) {
+        if (is_resource($cardData)) {
+            return stream_get_contents($cardData);
+        }
+
+        return $cardData;
+    }
+
+    /**
+     * @param IShareable $shareable
+     * @param string[] $add
+     * @param string[] $remove
+     */
+    public function updateShares(IShareable $shareable, $add, $remove) {
+        $this->sharingBackend->updateShares($shareable, $add, $remove);
+    }
+
+    /**
+     * search contact
+     *
+     * @param int $addressBookId
+     * @param string $pattern which should match within the $searchProperties
+     * @param array $searchProperties defines the properties within the query pattern should match
+     * @param array $options = array() to define the search behavior
+     * 	- 'escape_like_param' - If set to false wildcards _ and % are not escaped, otherwise they are
+     * @return array an array of contacts which are arrays of key-value-pairs
+     */
+    public function search($addressBookId, $pattern, $searchProperties, $options = array()) {
+        $query = $this->db->getQueryBuilder();
+        $query2 = $this->db->getQueryBuilder();
+
+        $query2->selectDistinct('cp.cardid')->from($this->dbCardsPropertiesTable, 'cp');
+        $query2->andWhere($query2->expr()->eq('cp.addressbookid', $query->createNamedParameter($addressBookId)));
+        $or = $query2->expr()->orX();
+        foreach ($searchProperties as $property) {
+            $or->add($query2->expr()->eq('cp.name', $query->createNamedParameter($property)));
+        }
+        $query2->andWhere($or);
+
+        // No need for like when the pattern is empty
+        if ('' !== $pattern) {
+            if(\array_key_exists('escape_like_param', $options) && $options['escape_like_param'] === false) {
+                $query2->andWhere($query2->expr()->ilike('cp.value', $query->createNamedParameter($pattern)));
+            } else {
+                $query2->andWhere($query2->expr()->ilike('cp.value', $query->createNamedParameter('%' . $this->db->escapeLikeParameter($pattern) . '%')));
+            }
+        }
+
+        $query->select('c.carddata', 'c.uri')->from($this->dbCardsTable, 'c')
+            ->where($query->expr()->in('c.id', $query->createFunction($query2->getSQL())));
+
+        $result = $query->execute();
+        $cards = $result->fetchAll();
+
+        $result->closeCursor();
+
+        return array_map(function($array) {
+            $array['carddata'] = $this->readBlob($array['carddata']);
+            return $array;
+        }, $cards);
+    }
+
+    /**
+     * @param int $bookId
+     * @param string $name
+     * @return array
+     */
+    public function collectCardProperties($bookId, $name) {
+        $query = $this->db->getQueryBuilder();
+        $result = $query->selectDistinct('value')
+            ->from($this->dbCardsPropertiesTable)
+            ->where($query->expr()->eq('name', $query->createNamedParameter($name)))
+            ->andWhere($query->expr()->eq('addressbookid', $query->createNamedParameter($bookId)))
+            ->execute();
+
+        $all = $result->fetchAll(PDO::FETCH_COLUMN);
+        $result->closeCursor();
+
+        return $all;
+    }
+
+    /**
+     * get URI from a given contact
+     *
+     * @param int $id
+     * @return string
+     */
+    public function getCardUri($id) {
+        $query = $this->db->getQueryBuilder();
+        $query->select('uri')->from($this->dbCardsTable)
+                ->where($query->expr()->eq('id', $query->createParameter('id')))
+                ->setParameter('id', $id);
+
+        $result = $query->execute();
+        $uri = $result->fetch();
+        $result->closeCursor();
+
+        if (!isset($uri['uri'])) {
+            throw new \InvalidArgumentException('Card does not exists: ' . $id);
+        }
+
+        return $uri['uri'];
+    }
+
+    /**
+     * return contact with the given URI
+     *
+     * @param int $addressBookId
+     * @param string $uri
+     * @returns array
+     */
+    public function getContact($addressBookId, $uri) {
+        $result = [];
+        $query = $this->db->getQueryBuilder();
+        $query->select('*')->from($this->dbCardsTable)
+                ->where($query->expr()->eq('uri', $query->createNamedParameter($uri)))
+                ->andWhere($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)));
+        $queryResult = $query->execute();
+        $contact = $queryResult->fetch();
+        $queryResult->closeCursor();
+
+        if (is_array($contact)) {
+            $result = $contact;
+        }
+
+        return $result;
+    }
+
+    /**
+     * Returns the list of people whom this address book is shared with.
+     *
+     * Every element in this array should have the following properties:
+     *   * href - Often a mailto: address
+     *   * commonName - Optional, for example a first + last name
+     *   * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
+     *   * readOnly - boolean
+     *   * summary - Optional, a description for the share
+     *
+     * @return array
+     */
+    public function getShares($addressBookId) {
+        return $this->sharingBackend->getShares($addressBookId);
+    }
+
+    /**
+     * update properties table
+     *
+     * @param int $addressBookId
+     * @param string $cardUri
+     * @param string $vCardSerialized
+     */
+    protected function updateProperties($addressBookId, $cardUri, $vCardSerialized) {
+        $cardId = $this->getCardId($addressBookId, $cardUri);
+        $vCard = $this->readCard($vCardSerialized);
+
+        $this->purgeProperties($addressBookId, $cardId);
+
+        $query = $this->db->getQueryBuilder();
+        $query->insert($this->dbCardsPropertiesTable)
+            ->values(
+                [
+                    'addressbookid' => $query->createNamedParameter($addressBookId),
+                    'cardid' => $query->createNamedParameter($cardId),
+                    'name' => $query->createParameter('name'),
+                    'value' => $query->createParameter('value'),
+                    'preferred' => $query->createParameter('preferred')
+                ]
+            );
+
+        foreach ($vCard->children() as $property) {
+            if(!in_array($property->name, self::$indexProperties)) {
+                continue;
+            }
+            $preferred = 0;
+            foreach($property->parameters as $parameter) {
+                if ($parameter->name === 'TYPE' && strtoupper($parameter->getValue()) === 'PREF') {
+                    $preferred = 1;
+                    break;
+                }
+            }
+            $query->setParameter('name', $property->name);
+            $query->setParameter('value', substr($property->getValue(), 0, 254));
+            $query->setParameter('preferred', $preferred);
+            $query->execute();
+        }
+    }
+
+    /**
+     * read vCard data into a vCard object
+     *
+     * @param string $cardData
+     * @return VCard
+     */
+    protected function readCard($cardData) {
+        return  Reader::read($cardData);
+    }
+
+    /**
+     * delete all properties from a given card
+     *
+     * @param int $addressBookId
+     * @param int $cardId
+     */
+    protected function purgeProperties($addressBookId, $cardId) {
+        $query = $this->db->getQueryBuilder();
+        $query->delete($this->dbCardsPropertiesTable)
+            ->where($query->expr()->eq('cardid', $query->createNamedParameter($cardId)))
+            ->andWhere($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)));
+        $query->execute();
+    }
+
+    /**
+     * get ID from a given contact
+     *
+     * @param int $addressBookId
+     * @param string $uri
+     * @return int
+     */
+    protected function getCardId($addressBookId, $uri) {
+        $query = $this->db->getQueryBuilder();
+        $query->select('id')->from($this->dbCardsTable)
+            ->where($query->expr()->eq('uri', $query->createNamedParameter($uri)))
+            ->andWhere($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)));
+
+        $result = $query->execute();
+        $cardIds = $result->fetch();
+        $result->closeCursor();
+
+        if (!isset($cardIds['id'])) {
+            throw new \InvalidArgumentException('Card does not exists: ' . $uri);
+        }
+
+        return (int)$cardIds['id'];
+    }
+
+    /**
+     * For shared address books the sharee is set in the ACL of the address book
+     * @param $addressBookId
+     * @param $acl
+     * @return array
+     */
+    public function applyShareAcl($addressBookId, $acl) {
+        return $this->sharingBackend->applyShareAcl($addressBookId, $acl);
+    }
+
+    private function convertPrincipal($principalUri, $toV2) {
+        if ($this->principalBackend->getPrincipalPrefix() === 'principals') {
+            list(, $name) = \Sabre\Uri\split($principalUri);
+            if ($toV2 === true) {
+                return "principals/users/$name";
+            }
+            return "principals/$name";
+        }
+        return $principalUri;
+    }
+
+    private function addOwnerPrincipal(&$addressbookInfo) {
+        $ownerPrincipalKey = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal';
+        $displaynameKey = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_NEXTCLOUD . '}owner-displayname';
+        if (isset($addressbookInfo[$ownerPrincipalKey])) {
+            $uri = $addressbookInfo[$ownerPrincipalKey];
+        } else {
+            $uri = $addressbookInfo['principaluri'];
+        }
+
+        $principalInformation = $this->principalBackend->getPrincipalByPath($uri);
+        if (isset($principalInformation['{DAV:}displayname'])) {
+            $addressbookInfo[$displaynameKey] = $principalInformation['{DAV:}displayname'];
+        }
+    }
+
+    /**
+     * Extract UID from vcard
+     *
+     * @param string $cardData the vcard raw data
+     * @return string the uid
+     * @throws BadRequest if no UID is available
+     */
+    private function getUID($cardData) {
+        if ($cardData != '') {
+            $vCard = Reader::read($cardData);
+            if ($vCard->UID) {
+                $uid = $vCard->UID->getValue();
+                return $uid;
+            }
+            // should already be handled, but just in case
+            throw new BadRequest('vCards on CardDAV servers MUST have a UID property');
+        }
+        // should already be handled, but just in case
+        throw new BadRequest('vCard can not be empty');
+    }
 }

Spacing +50 added lines, -50 removed lines

@@ -121,7 +121,7 @@ 
 			->from('addressbooks')
 			->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
 
-		return (int)$query->execute()->fetchColumn();
+		return (int) $query->execute()->fetchColumn();
 	}
 
 	/**
@@ -152,15 +152,15 @@ 
 		$addressBooks = [];
 
 		$result = $query->execute();
-		while($row = $result->fetch()) {
+		while ($row = $result->fetch()) {
 			$addressBooks[$row['id']] = [
 				'id'  => $row['id'],
 				'uri' => $row['uri'],
 				'principaluri' => $this->convertPrincipal($row['principaluri'], false),
 				'{DAV:}displayname' => $row['displayname'],
-				'{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
+				'{'.Plugin::NS_CARDDAV.'}addressbook-description' => $row['description'],
 				'{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+				'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
 			];
 
 			$this->addOwnerPrincipal($addressBooks[$row['id']]);
@@ -174,7 +174,7 @@ 
 		$principals = array_map(function($principal) {
 			return urldecode($principal);
 		}, $principals);
-		$principals[]= $principalUri;
+		$principals[] = $principalUri;
 
 		$query = $this->db->getQueryBuilder();
 		$result = $query->select(['a.id', 'a.uri', 'a.displayname', 'a.principaluri', 'a.description', 'a.synctoken', 's.access'])
@@ -186,8 +186,8 @@ 
 			->setParameter('principaluri', $principals, IQueryBuilder::PARAM_STR_ARRAY)
 			->execute();
 
-		$readOnlyPropertyName = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only';
-		while($row = $result->fetch()) {
+		$readOnlyPropertyName = '{'.\OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD.'}read-only';
+		while ($row = $result->fetch()) {
 			if ($row['principaluri'] === $principalUri) {
 				continue;
 			}
@@ -206,18 +206,18 @@ 
 			}
 
 			list(, $name) = \Sabre\Uri\split($row['principaluri']);
-			$uri = $row['uri'] . '_shared_by_' . $name;
-			$displayName = $row['displayname'] . ' (' . $this->getUserDisplayName($name) . ')';
+			$uri = $row['uri'].'_shared_by_'.$name;
+			$displayName = $row['displayname'].' ('.$this->getUserDisplayName($name).')';
 
 			$addressBooks[$row['id']] = [
 				'id'  => $row['id'],
 				'uri' => $uri,
 				'principaluri' => $principalUriOriginal,
 				'{DAV:}displayname' => $displayName,
-				'{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
+				'{'.Plugin::NS_CARDDAV.'}addressbook-description' => $row['description'],
 				'{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
-				'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $row['principaluri'],
+				'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
+				'{'.\OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD.'}owner-principal' => $row['principaluri'],
 				$readOnlyPropertyName => $readOnly,
 			];
 
@@ -238,15 +238,15 @@ 
 		$addressBooks = [];
 
 		$result = $query->execute();
-		while($row = $result->fetch()) {
+		while ($row = $result->fetch()) {
 			$addressBooks[$row['id']] = [
 				'id'  => $row['id'],
 				'uri' => $row['uri'],
 				'principaluri' => $this->convertPrincipal($row['principaluri'], false),
 				'{DAV:}displayname' => $row['displayname'],
-				'{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
+				'{'.Plugin::NS_CARDDAV.'}addressbook-description' => $row['description'],
 				'{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
-				'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+				'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
 			];
 
 			$this->addOwnerPrincipal($addressBooks[$row['id']]);
@@ -291,9 +291,9 @@ 
 			'uri' => $row['uri'],
 			'principaluri' => $row['principaluri'],
 			'{DAV:}displayname' => $row['displayname'],
-			'{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
+			'{'.Plugin::NS_CARDDAV.'}addressbook-description' => $row['description'],
 			'{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
-			'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+			'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
 		];
 
 		$this->addOwnerPrincipal($addressBook);
@@ -325,9 +325,9 @@ 
 			'uri' => $row['uri'],
 			'principaluri' => $row['principaluri'],
 			'{DAV:}displayname' => $row['displayname'],
-			'{' . Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
+			'{'.Plugin::NS_CARDDAV.'}addressbook-description' => $row['description'],
 			'{http://calendarserver.org/ns/}getctag' => $row['synctoken'],
-			'{http://sabredav.org/ns}sync-token' => $row['synctoken']?$row['synctoken']:'0',
+			'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ? $row['synctoken'] : '0',
 		];
 
 		$this->addOwnerPrincipal($addressBook);
@@ -354,7 +354,7 @@ 
 	function updateAddressBook($addressBookId, \Sabre\DAV\PropPatch $propPatch) {
 		$supportedProperties = [
 			'{DAV:}displayname',
-			'{' . Plugin::NS_CARDDAV . '}addressbook-description',
+			'{'.Plugin::NS_CARDDAV.'}addressbook-description',
 		];
 
 		/**
@@ -363,13 +363,13 @@ 
 		$propPatch->handle($supportedProperties, function($mutations) use ($addressBookId) {
 
 			$updates = [];
-			foreach($mutations as $property=>$newValue) {
+			foreach ($mutations as $property=>$newValue) {
 
-				switch($property) {
+				switch ($property) {
 					case '{DAV:}displayname' :
 						$updates['displayname'] = $newValue;
 						break;
-					case '{' . Plugin::NS_CARDDAV . '}addressbook-description' :
+					case '{'.Plugin::NS_CARDDAV.'}addressbook-description' :
 						$updates['description'] = $newValue;
 						break;
 				}
@@ -377,7 +377,7 @@ 
 			$query = $this->db->getQueryBuilder();
 			$query->update('addressbooks');
 
-			foreach($updates as $key=>$value) {
+			foreach ($updates as $key=>$value) {
 				$query->set($key, $query->createNamedParameter($value));
 			}
 			$query->where($query->expr()->eq('id', $query->createNamedParameter($addressBookId)))
@@ -408,24 +408,24 @@ 
 			'synctoken' => 1
 		];
 
-		foreach($properties as $property=>$newValue) {
+		foreach ($properties as $property=>$newValue) {
 
-			switch($property) {
+			switch ($property) {
 				case '{DAV:}displayname' :
 					$values['displayname'] = $newValue;
 					break;
-				case '{' . Plugin::NS_CARDDAV . '}addressbook-description' :
+				case '{'.Plugin::NS_CARDDAV.'}addressbook-description' :
 					$values['description'] = $newValue;
 					break;
 				default :
-					throw new BadRequest('Unknown property: ' . $property);
+					throw new BadRequest('Unknown property: '.$property);
 			}
 
 		}
 
 		// Fallback to make sure the displayname is set. Some clients may refuse
 		// to work with addressbooks not having a displayname.
-		if(is_null($values['displayname'])) {
+		if (is_null($values['displayname'])) {
 			$values['displayname'] = $url;
 		}
 
@@ -503,8 +503,8 @@ 
 		$cards = [];
 
 		$result = $query->execute();
-		while($row = $result->fetch()) {
-			$row['etag'] = '"' . $row['etag'] . '"';
+		while ($row = $result->fetch()) {
+			$row['etag'] = '"'.$row['etag'].'"';
 			$row['carddata'] = $this->readBlob($row['carddata']);
 			$cards[] = $row;
 		}
@@ -538,7 +538,7 @@ 
 		if (!$row) {
 			return false;
 		}
-		$row['etag'] = '"' . $row['etag'] . '"';
+		$row['etag'] = '"'.$row['etag'].'"';
 		$row['carddata'] = $this->readBlob($row['carddata']);
 
 		return $row;
@@ -575,7 +575,7 @@ 
 			$result = $query->execute();
 
 			while ($row = $result->fetch()) {
-				$row['etag'] = '"' . $row['etag'] . '"';
+				$row['etag'] = '"'.$row['etag'].'"';
 				$row['carddata'] = $this->readBlob($row['carddata']);
 				$cards[] = $row;
 			}
@@ -648,7 +648,7 @@ 
 				'cardUri' => $cardUri,
 				'cardData' => $cardData]));
 
-		return '"' . $etag . '"';
+		return '"'.$etag.'"';
 	}
 
 	/**
@@ -700,7 +700,7 @@ 
 				'cardUri' => $cardUri,
 				'cardData' => $cardData]));
 
-		return '"' . $etag . '"';
+		return '"'.$etag.'"';
 	}
 
 	/**
@@ -798,7 +798,7 @@ 
 	function getChangesForAddressBook($addressBookId, $syncToken, $syncLevel, $limit = null) {
 		// Current synctoken
 		$stmt = $this->db->prepare('SELECT `synctoken` FROM `*PREFIX*addressbooks` WHERE `id` = ?');
-		$stmt->execute([ $addressBookId ]);
+		$stmt->execute([$addressBookId]);
 		$currentToken = $stmt->fetchColumn(0);
 
 		if (is_null($currentToken)) return null;
@@ -813,8 +813,8 @@ 
 		if ($syncToken) {
 
 			$query = "SELECT `uri`, `operation` FROM `*PREFIX*addressbookchanges` WHERE `synctoken` >= ? AND `synctoken` < ? AND `addressbookid` = ? ORDER BY `synctoken`";
-			if ($limit>0) {
-				$query .= " LIMIT " . (int)$limit;
+			if ($limit > 0) {
+				$query .= " LIMIT ".(int) $limit;
 			}
 
 			// Fetching all changes
@@ -825,15 +825,15 @@ 
 
 			// This loop ensures that any duplicates are overwritten, only the
 			// last change on a node is relevant.
-			while($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
+			while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
 
 				$changes[$row['uri']] = $row['operation'];
 
 			}
 
-			foreach($changes as $uri => $operation) {
+			foreach ($changes as $uri => $operation) {
 
-				switch($operation) {
+				switch ($operation) {
 					case 1:
 						$result['added'][] = $uri;
 						break;
@@ -921,10 +921,10 @@ 
 
 		// No need for like when the pattern is empty
 		if ('' !== $pattern) {
-			if(\array_key_exists('escape_like_param', $options) && $options['escape_like_param'] === false) {
+			if (\array_key_exists('escape_like_param', $options) && $options['escape_like_param'] === false) {
 				$query2->andWhere($query2->expr()->ilike('cp.value', $query->createNamedParameter($pattern)));
 			} else {
-				$query2->andWhere($query2->expr()->ilike('cp.value', $query->createNamedParameter('%' . $this->db->escapeLikeParameter($pattern) . '%')));
+				$query2->andWhere($query2->expr()->ilike('cp.value', $query->createNamedParameter('%'.$this->db->escapeLikeParameter($pattern).'%')));
 			}
 		}
 
@@ -978,7 +978,7 @@ 
 		$result->closeCursor();
 
 		if (!isset($uri['uri'])) {
-			throw new \InvalidArgumentException('Card does not exists: ' . $id);
+			throw new \InvalidArgumentException('Card does not exists: '.$id);
 		}
 
 		return $uri['uri'];
@@ -1050,11 +1050,11 @@ 
 			);
 
 		foreach ($vCard->children() as $property) {
-			if(!in_array($property->name, self::$indexProperties)) {
+			if (!in_array($property->name, self::$indexProperties)) {
 				continue;
 			}
 			$preferred = 0;
-			foreach($property->parameters as $parameter) {
+			foreach ($property->parameters as $parameter) {
 				if ($parameter->name === 'TYPE' && strtoupper($parameter->getValue()) === 'PREF') {
 					$preferred = 1;
 					break;
@@ -1109,10 +1109,10 @@ 
 		$result->closeCursor();
 
 		if (!isset($cardIds['id'])) {
-			throw new \InvalidArgumentException('Card does not exists: ' . $uri);
+			throw new \InvalidArgumentException('Card does not exists: '.$uri);
 		}
 
-		return (int)$cardIds['id'];
+		return (int) $cardIds['id'];
 	}
 
 	/**
@@ -1137,8 +1137,8 @@ 
 	}
 
 	private function addOwnerPrincipal(&$addressbookInfo) {
-		$ownerPrincipalKey = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal';
-		$displaynameKey = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_NEXTCLOUD . '}owner-displayname';
+		$ownerPrincipalKey = '{'.\OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD.'}owner-principal';
+		$displaynameKey = '{'.\OCA\DAV\DAV\Sharing\Plugin::NS_NEXTCLOUD.'}owner-displayname';
 		if (isset($addressbookInfo[$ownerPrincipalKey])) {
 			$uri = $addressbookInfo[$ownerPrincipalKey];
 		} else {

apps/dav/lib/SystemTag/SystemTagNode.php

Indentation +132 added lines, -132 removed lines

@@ -39,136 +39,136 @@
  */
 class SystemTagNode implements \Sabre\DAV\INode {
 
-	/**
-	 * @var ISystemTag
-	 */
-	protected $tag;
-
-	/**
-	 * @var ISystemTagManager
-	 */
-	protected $tagManager;
-
-	/**
-	 * User
-	 *
-	 * @var IUser
-	 */
-	protected $user;
-
-	/**
-	 * Whether to allow permissions for admins
-	 *
-	 * @var bool
-	 */
-	protected $isAdmin;
-
-	/**
-	 * Sets up the node, expects a full path name
-	 *
-	 * @param ISystemTag $tag system tag
-	 * @param IUser $user user
-	 * @param bool $isAdmin whether to allow operations for admins
-	 * @param ISystemTagManager $tagManager tag manager
-	 */
-	public function __construct(ISystemTag $tag, IUser $user, $isAdmin, ISystemTagManager $tagManager) {
-		$this->tag = $tag;
-		$this->user = $user;
-		$this->isAdmin = $isAdmin;
-		$this->tagManager = $tagManager;
-	}
-
-	/**
-	 *  Returns the id of the tag
-	 *
-	 * @return string
-	 */
-	public function getName() {
-		return $this->tag->getId();
-	}
-
-	/**
-	 * Returns the system tag represented by this node
-	 *
-	 * @return ISystemTag system tag
-	 */
-	public function getSystemTag() {
-		return $this->tag;
-	}
-
-	/**
-	 * Renames the node
-	 *
-	 * @param string $name The new name
-	 *
-	 * @throws MethodNotAllowed not allowed to rename node
-	 */
-	public function setName($name) {
-		throw new MethodNotAllowed();
-	}
-
-	/**
-	 * Update tag
-	 *
-	 * @param string $name new tag name
-	 * @param bool $userVisible user visible
-	 * @param bool $userAssignable user assignable
-	 * @throws NotFound whenever the given tag id does not exist
-	 * @throws Forbidden whenever there is no permission to update said tag
-	 * @throws Conflict whenever a tag already exists with the given attributes
-	 */
-	public function update($name, $userVisible, $userAssignable) {
-		try {
-			if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
-				throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist');
-			}
-			if (!$this->tagManager->canUserAssignTag($this->tag, $this->user)) {
-				throw new Forbidden('No permission to update tag ' . $this->tag->getId());
-			}
-
-			// only admin is able to change permissions, regular users can only rename
-			if (!$this->isAdmin) {
-				// only renaming is allowed for regular users
-				if ($userVisible !== $this->tag->isUserVisible()
-					|| $userAssignable !== $this->tag->isUserAssignable()
-				) {
-					throw new Forbidden('No permission to update permissions for tag ' . $this->tag->getId());
-				}
-			}
-
-			$this->tagManager->updateTag($this->tag->getId(), $name, $userVisible, $userAssignable);
-		} catch (TagNotFoundException $e) {
-			throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist');
-		} catch (TagAlreadyExistsException $e) {
-			throw new Conflict(
-				'Tag with the properties "' . $name . '", ' .
-				$userVisible . ', ' . $userAssignable . ' already exists'
-			);
-		}
-	}
-
-	/**
-	 * Returns null, not supported
-	 *
-	 */
-	public function getLastModified() {
-		return null;
-	}
-
-	public function delete() {
-		try {
-			if (!$this->isAdmin) {
-				throw new Forbidden('No permission to delete tag ' . $this->tag->getId());
-			}
-
-			if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
-				throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found');
-			}
-
-			$this->tagManager->deleteTags($this->tag->getId());
-		} catch (TagNotFoundException $e) {
-			// can happen if concurrent deletion occurred
-			throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found', 0, $e);
-		}
-	}
+    /**
+     * @var ISystemTag
+     */
+    protected $tag;
+
+    /**
+     * @var ISystemTagManager
+     */
+    protected $tagManager;
+
+    /**
+     * User
+     *
+     * @var IUser
+     */
+    protected $user;
+
+    /**
+     * Whether to allow permissions for admins
+     *
+     * @var bool
+     */
+    protected $isAdmin;
+
+    /**
+     * Sets up the node, expects a full path name
+     *
+     * @param ISystemTag $tag system tag
+     * @param IUser $user user
+     * @param bool $isAdmin whether to allow operations for admins
+     * @param ISystemTagManager $tagManager tag manager
+     */
+    public function __construct(ISystemTag $tag, IUser $user, $isAdmin, ISystemTagManager $tagManager) {
+        $this->tag = $tag;
+        $this->user = $user;
+        $this->isAdmin = $isAdmin;
+        $this->tagManager = $tagManager;
+    }
+
+    /**
+     *  Returns the id of the tag
+     *
+     * @return string
+     */
+    public function getName() {
+        return $this->tag->getId();
+    }
+
+    /**
+     * Returns the system tag represented by this node
+     *
+     * @return ISystemTag system tag
+     */
+    public function getSystemTag() {
+        return $this->tag;
+    }
+
+    /**
+     * Renames the node
+     *
+     * @param string $name The new name
+     *
+     * @throws MethodNotAllowed not allowed to rename node
+     */
+    public function setName($name) {
+        throw new MethodNotAllowed();
+    }
+
+    /**
+     * Update tag
+     *
+     * @param string $name new tag name
+     * @param bool $userVisible user visible
+     * @param bool $userAssignable user assignable
+     * @throws NotFound whenever the given tag id does not exist
+     * @throws Forbidden whenever there is no permission to update said tag
+     * @throws Conflict whenever a tag already exists with the given attributes
+     */
+    public function update($name, $userVisible, $userAssignable) {
+        try {
+            if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
+                throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist');
+            }
+            if (!$this->tagManager->canUserAssignTag($this->tag, $this->user)) {
+                throw new Forbidden('No permission to update tag ' . $this->tag->getId());
+            }
+
+            // only admin is able to change permissions, regular users can only rename
+            if (!$this->isAdmin) {
+                // only renaming is allowed for regular users
+                if ($userVisible !== $this->tag->isUserVisible()
+                    || $userAssignable !== $this->tag->isUserAssignable()
+                ) {
+                    throw new Forbidden('No permission to update permissions for tag ' . $this->tag->getId());
+                }
+            }
+
+            $this->tagManager->updateTag($this->tag->getId(), $name, $userVisible, $userAssignable);
+        } catch (TagNotFoundException $e) {
+            throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist');
+        } catch (TagAlreadyExistsException $e) {
+            throw new Conflict(
+                'Tag with the properties "' . $name . '", ' .
+                $userVisible . ', ' . $userAssignable . ' already exists'
+            );
+        }
+    }
+
+    /**
+     * Returns null, not supported
+     *
+     */
+    public function getLastModified() {
+        return null;
+    }
+
+    public function delete() {
+        try {
+            if (!$this->isAdmin) {
+                throw new Forbidden('No permission to delete tag ' . $this->tag->getId());
+            }
+
+            if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
+                throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found');
+            }
+
+            $this->tagManager->deleteTags($this->tag->getId());
+        } catch (TagNotFoundException $e) {
+            // can happen if concurrent deletion occurred
+            throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found', 0, $e);
+        }
+    }
 }

Spacing +9 added lines, -9 removed lines

@@ -120,10 +120,10 @@ 
 	public function update($name, $userVisible, $userAssignable) {
 		try {
 			if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
-				throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist');
+				throw new NotFound('Tag with id '.$this->tag->getId().' does not exist');
 			}
 			if (!$this->tagManager->canUserAssignTag($this->tag, $this->user)) {
-				throw new Forbidden('No permission to update tag ' . $this->tag->getId());
+				throw new Forbidden('No permission to update tag '.$this->tag->getId());
 			}
 
 			// only admin is able to change permissions, regular users can only rename
@@ -132,17 +132,17 @@ 
 				if ($userVisible !== $this->tag->isUserVisible()
 					|| $userAssignable !== $this->tag->isUserAssignable()
 				) {
-					throw new Forbidden('No permission to update permissions for tag ' . $this->tag->getId());
+					throw new Forbidden('No permission to update permissions for tag '.$this->tag->getId());
 				}
 			}
 
 			$this->tagManager->updateTag($this->tag->getId(), $name, $userVisible, $userAssignable);
 		} catch (TagNotFoundException $e) {
-			throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist');
+			throw new NotFound('Tag with id '.$this->tag->getId().' does not exist');
 		} catch (TagAlreadyExistsException $e) {
 			throw new Conflict(
-				'Tag with the properties "' . $name . '", ' .
-				$userVisible . ', ' . $userAssignable . ' already exists'
+				'Tag with the properties "'.$name.'", '.
+				$userVisible.', '.$userAssignable.' already exists'
 			);
 		}
 	}
@@ -158,17 +158,17 @@ 
 	public function delete() {
 		try {
 			if (!$this->isAdmin) {
-				throw new Forbidden('No permission to delete tag ' . $this->tag->getId());
+				throw new Forbidden('No permission to delete tag '.$this->tag->getId());
 			}
 
 			if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
-				throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found');
+				throw new NotFound('Tag with id '.$this->tag->getId().' not found');
 			}
 
 			$this->tagManager->deleteTags($this->tag->getId());
 		} catch (TagNotFoundException $e) {
 			// can happen if concurrent deletion occurred
-			throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found', 0, $e);
+			throw new NotFound('Tag with id '.$this->tag->getId().' not found', 0, $e);
 		}
 	}
 }

apps/dav/lib/SystemTag/SystemTagsByIdCollection.php

Indentation +140 added lines, -140 removed lines

@@ -37,144 +37,144 @@
 
 class SystemTagsByIdCollection implements ICollection {
 
-	/**
-	 * @var ISystemTagManager
-	 */
-	private $tagManager;
-
-	/**
-	 * @var IGroupManager
-	 */
-	private $groupManager;
-
-	/**
-	 * @var IUserSession
-	 */
-	private $userSession;
-
-	/**
-	 * SystemTagsByIdCollection constructor.
-	 *
-	 * @param ISystemTagManager $tagManager
-	 * @param IUserSession $userSession
-	 * @param IGroupManager $groupManager
-	 */
-	public function __construct(
-		ISystemTagManager $tagManager,
-		IUserSession $userSession,
-		IGroupManager $groupManager
-	) {
-		$this->tagManager = $tagManager;
-		$this->userSession = $userSession;
-		$this->groupManager = $groupManager;
-	}
-
-	/**
-	 * Returns whether the currently logged in user is an administrator
-	 *
-	 * @return bool true if the user is an admin
-	 */
-	private function isAdmin() {
-		$user = $this->userSession->getUser();
-		if ($user !== null) {
-			return $this->groupManager->isAdmin($user->getUID());
-		}
-		return false;
-	}
-
-	/**
-	 * @param string $name
-	 * @param resource|string $data Initial payload
-	 * @throws Forbidden
-	 */
-	function createFile($name, $data = null) {
-		throw new Forbidden('Cannot create tags by id');
-	}
-
-	/**
-	 * @param string $name
-	 */
-	function createDirectory($name) {
-		throw new Forbidden('Permission denied to create collections');
-	}
-
-	/**
-	 * @param string $name
-	 */
-	function getChild($name) {
-		try {
-			$tag = $this->tagManager->getTagsByIds([$name]);
-			$tag = current($tag);
-			if (!$this->tagManager->canUserSeeTag($tag, $this->userSession->getUser())) {
-				throw new NotFound('Tag with id ' . $name . ' not found');
-			}
-			return $this->makeNode($tag);
-		} catch (\InvalidArgumentException $e) {
-			throw new BadRequest('Invalid tag id', 0, $e);
-		} catch (TagNotFoundException $e) {
-			throw new NotFound('Tag with id ' . $name . ' not found', 0, $e);
-		}
-	}
-
-	function getChildren() {
-		$visibilityFilter = true;
-		if ($this->isAdmin()) {
-			$visibilityFilter = null;
-		}
-
-		$tags = $this->tagManager->getAllTags($visibilityFilter);
-		return array_map(function($tag) {
-			return $this->makeNode($tag);
-		}, $tags);
-	}
-
-	/**
-	 * @param string $name
-	 */
-	function childExists($name) {
-		try {
-			$tag = $this->tagManager->getTagsByIds([$name]);
-			$tag = current($tag);
-			if (!$this->tagManager->canUserSeeTag($tag, $this->userSession->getUser())) {
-				return false;
-			}
-			return true;
-		} catch (\InvalidArgumentException $e) {
-			throw new BadRequest('Invalid tag id', 0, $e);
-		} catch (TagNotFoundException $e) {
-			return false;
-		}
-	}
-
-	function delete() {
-		throw new Forbidden('Permission denied to delete this collection');
-	}
-
-	function getName() {
-		return 'systemtags';
-	}
-
-	function setName($name) {
-		throw new Forbidden('Permission denied to rename this collection');
-	}
-
-	/**
-	 * Returns the last modification time, as a unix timestamp
-	 *
-	 * @return int
-	 */
-	function getLastModified() {
-		return null;
-	}
-
-	/**
-	 * Create a sabre node for the given system tag
-	 *
-	 * @param ISystemTag $tag
-	 *
-	 * @return SystemTagNode
-	 */
-	private function makeNode(ISystemTag $tag) {
-		return new SystemTagNode($tag, $this->userSession->getUser(), $this->isAdmin(), $this->tagManager);
-	}
+    /**
+     * @var ISystemTagManager
+     */
+    private $tagManager;
+
+    /**
+     * @var IGroupManager
+     */
+    private $groupManager;
+
+    /**
+     * @var IUserSession
+     */
+    private $userSession;
+
+    /**
+     * SystemTagsByIdCollection constructor.
+     *
+     * @param ISystemTagManager $tagManager
+     * @param IUserSession $userSession
+     * @param IGroupManager $groupManager
+     */
+    public function __construct(
+        ISystemTagManager $tagManager,
+        IUserSession $userSession,
+        IGroupManager $groupManager
+    ) {
+        $this->tagManager = $tagManager;
+        $this->userSession = $userSession;
+        $this->groupManager = $groupManager;
+    }
+
+    /**
+     * Returns whether the currently logged in user is an administrator
+     *
+     * @return bool true if the user is an admin
+     */
+    private function isAdmin() {
+        $user = $this->userSession->getUser();
+        if ($user !== null) {
+            return $this->groupManager->isAdmin($user->getUID());
+        }
+        return false;
+    }
+
+    /**
+     * @param string $name
+     * @param resource|string $data Initial payload
+     * @throws Forbidden
+     */
+    function createFile($name, $data = null) {
+        throw new Forbidden('Cannot create tags by id');
+    }
+
+    /**
+     * @param string $name
+     */
+    function createDirectory($name) {
+        throw new Forbidden('Permission denied to create collections');
+    }
+
+    /**
+     * @param string $name
+     */
+    function getChild($name) {
+        try {
+            $tag = $this->tagManager->getTagsByIds([$name]);
+            $tag = current($tag);
+            if (!$this->tagManager->canUserSeeTag($tag, $this->userSession->getUser())) {
+                throw new NotFound('Tag with id ' . $name . ' not found');
+            }
+            return $this->makeNode($tag);
+        } catch (\InvalidArgumentException $e) {
+            throw new BadRequest('Invalid tag id', 0, $e);
+        } catch (TagNotFoundException $e) {
+            throw new NotFound('Tag with id ' . $name . ' not found', 0, $e);
+        }
+    }
+
+    function getChildren() {
+        $visibilityFilter = true;
+        if ($this->isAdmin()) {
+            $visibilityFilter = null;
+        }
+
+        $tags = $this->tagManager->getAllTags($visibilityFilter);
+        return array_map(function($tag) {
+            return $this->makeNode($tag);
+        }, $tags);
+    }
+
+    /**
+     * @param string $name
+     */
+    function childExists($name) {
+        try {
+            $tag = $this->tagManager->getTagsByIds([$name]);
+            $tag = current($tag);
+            if (!$this->tagManager->canUserSeeTag($tag, $this->userSession->getUser())) {
+                return false;
+            }
+            return true;
+        } catch (\InvalidArgumentException $e) {
+            throw new BadRequest('Invalid tag id', 0, $e);
+        } catch (TagNotFoundException $e) {
+            return false;
+        }
+    }
+
+    function delete() {
+        throw new Forbidden('Permission denied to delete this collection');
+    }
+
+    function getName() {
+        return 'systemtags';
+    }
+
+    function setName($name) {
+        throw new Forbidden('Permission denied to rename this collection');
+    }
+
+    /**
+     * Returns the last modification time, as a unix timestamp
+     *
+     * @return int
+     */
+    function getLastModified() {
+        return null;
+    }
+
+    /**
+     * Create a sabre node for the given system tag
+     *
+     * @param ISystemTag $tag
+     *
+     * @return SystemTagNode
+     */
+    private function makeNode(ISystemTag $tag) {
+        return new SystemTagNode($tag, $this->userSession->getUser(), $this->isAdmin(), $this->tagManager);
+    }
 }

Spacing +2 added lines, -2 removed lines

@@ -106,13 +106,13 @@
 			$tag = $this->tagManager->getTagsByIds([$name]);
 			$tag = current($tag);
 			if (!$this->tagManager->canUserSeeTag($tag, $this->userSession->getUser())) {
-				throw new NotFound('Tag with id ' . $name . ' not found');
+				throw new NotFound('Tag with id '.$name.' not found');
 			}
 			return $this->makeNode($tag);
 		} catch (\InvalidArgumentException $e) {
 			throw new BadRequest('Invalid tag id', 0, $e);
 		} catch (TagNotFoundException $e) {
-			throw new NotFound('Tag with id ' . $name . ' not found', 0, $e);
+			throw new NotFound('Tag with id '.$name.' not found', 0, $e);
 		}
 	}
 

apps/dav/lib/SystemTag/SystemTagsObjectTypeCollection.php

Indentation +132 added lines, -132 removed lines

@@ -39,136 +39,136 @@
  */
 class SystemTagsObjectTypeCollection implements ICollection {
 
-	/**
-	 * @var string
-	 */
-	private $objectType;
-
-	/**
-	 * @var ISystemTagManager
-	 */
-	private $tagManager;
-
-	/**
-	 * @var ISystemTagObjectMapper
-	 */
-	private $tagMapper;
-
-	/**
-	 * @var IGroupManager
-	 */
-	private $groupManager;
-
-	/**
-	 * @var IUserSession
-	 */
-	private $userSession;
-
-	/**
-	 * @var \Closure
-	 **/
-	protected $childExistsFunction;
-
-	/**
-	 * Constructor
-	 *
-	 * @param string $objectType object type
-	 * @param ISystemTagManager $tagManager
-	 * @param ISystemTagObjectMapper $tagMapper
-	 * @param IUserSession $userSession
-	 * @param IGroupManager $groupManager
-	 * @param \Closure $childExistsFunction
-	 */
-	public function __construct(
-		$objectType, 
-		ISystemTagManager $tagManager,
-		ISystemTagObjectMapper $tagMapper,
-		IUserSession $userSession,
-		IGroupManager $groupManager,
-		\Closure $childExistsFunction
-	) {
-		$this->tagManager = $tagManager;
-		$this->tagMapper = $tagMapper;
-		$this->objectType = $objectType;
-		$this->userSession = $userSession;
-		$this->groupManager = $groupManager;
-		$this->childExistsFunction = $childExistsFunction;
-	}
-
-	/**
-	 * @param string $name
-	 * @param resource|string $data Initial payload
-	 * @return null|string
-	 * @throws Forbidden
-	 */
-	function createFile($name, $data = null) {
-		throw new Forbidden('Permission denied to create nodes');
-	}
-
-	/**
-	 * @param string $name
-	 * @throws Forbidden
-	 */
-	function createDirectory($name) {
-		throw new Forbidden('Permission denied to create collections');
-	}
-
-	/**
-	 * @param string $objectId
-	 * @return SystemTagsObjectMappingCollection
-	 * @throws NotFound
-	 */
-	function getChild($objectId) {
-		// make sure the object exists and is reachable
-		if(!$this->childExists($objectId)) {
-			throw new NotFound('Entity does not exist or is not available');
-		}
-		return new SystemTagsObjectMappingCollection(
-			$objectId,
-			$this->objectType,
-			$this->userSession->getUser(),
-			$this->tagManager,
-			$this->tagMapper
-		);
-	}
-
-	function getChildren() {
-		// do not list object ids
-		throw new MethodNotAllowed();
-	}
-
-	/**
-	 * Checks if a child-node with the specified name exists
-	 *
-	 * @param string $name
-	 * @return bool
-	 */
-	function childExists($name) {
-		return call_user_func($this->childExistsFunction, $name);
-	}
-
-	function delete() {
-		throw new Forbidden('Permission denied to delete this collection');
-	}
-
-	function getName() {
-		return $this->objectType;
-	}
-
-	/**
-	 * @param string $name
-	 * @throws Forbidden
-	 */
-	function setName($name) {
-		throw new Forbidden('Permission denied to rename this collection');
-	}
-
-	/**
-	 * Returns the last modification time, as a unix timestamp
-	 *
-	 * @return int
-	 */
-	function getLastModified() {
-		return null;
-	}
+    /**
+     * @var string
+     */
+    private $objectType;
+
+    /**
+     * @var ISystemTagManager
+     */
+    private $tagManager;
+
+    /**
+     * @var ISystemTagObjectMapper
+     */
+    private $tagMapper;
+
+    /**
+     * @var IGroupManager
+     */
+    private $groupManager;
+
+    /**
+     * @var IUserSession
+     */
+    private $userSession;
+
+    /**
+     * @var \Closure
+     **/
+    protected $childExistsFunction;
+
+    /**
+     * Constructor
+     *
+     * @param string $objectType object type
+     * @param ISystemTagManager $tagManager
+     * @param ISystemTagObjectMapper $tagMapper
+     * @param IUserSession $userSession
+     * @param IGroupManager $groupManager
+     * @param \Closure $childExistsFunction
+     */
+    public function __construct(
+        $objectType, 
+        ISystemTagManager $tagManager,
+        ISystemTagObjectMapper $tagMapper,
+        IUserSession $userSession,
+        IGroupManager $groupManager,
+        \Closure $childExistsFunction
+    ) {
+        $this->tagManager = $tagManager;
+        $this->tagMapper = $tagMapper;
+        $this->objectType = $objectType;
+        $this->userSession = $userSession;
+        $this->groupManager = $groupManager;
+        $this->childExistsFunction = $childExistsFunction;
+    }
+
+    /**
+     * @param string $name
+     * @param resource|string $data Initial payload
+     * @return null|string
+     * @throws Forbidden
+     */
+    function createFile($name, $data = null) {
+        throw new Forbidden('Permission denied to create nodes');
+    }
+
+    /**
+     * @param string $name
+     * @throws Forbidden
+     */
+    function createDirectory($name) {
+        throw new Forbidden('Permission denied to create collections');
+    }
+
+    /**
+     * @param string $objectId
+     * @return SystemTagsObjectMappingCollection
+     * @throws NotFound
+     */
+    function getChild($objectId) {
+        // make sure the object exists and is reachable
+        if(!$this->childExists($objectId)) {
+            throw new NotFound('Entity does not exist or is not available');
+        }
+        return new SystemTagsObjectMappingCollection(
+            $objectId,
+            $this->objectType,
+            $this->userSession->getUser(),
+            $this->tagManager,
+            $this->tagMapper
+        );
+    }
+
+    function getChildren() {
+        // do not list object ids
+        throw new MethodNotAllowed();
+    }
+
+    /**
+     * Checks if a child-node with the specified name exists
+     *
+     * @param string $name
+     * @return bool
+     */
+    function childExists($name) {
+        return call_user_func($this->childExistsFunction, $name);
+    }
+
+    function delete() {
+        throw new Forbidden('Permission denied to delete this collection');
+    }
+
+    function getName() {
+        return $this->objectType;
+    }
+
+    /**
+     * @param string $name
+     * @throws Forbidden
+     */
+    function setName($name) {
+        throw new Forbidden('Permission denied to rename this collection');
+    }
+
+    /**
+     * Returns the last modification time, as a unix timestamp
+     *
+     * @return int
+     */
+    function getLastModified() {
+        return null;
+    }
 }

Spacing +1 added lines, -1 removed lines

@@ -120,7 +120,7 @@
 	 */
 	function getChild($objectId) {
 		// make sure the object exists and is reachable
-		if(!$this->childExists($objectId)) {
+		if (!$this->childExists($objectId)) {
 			throw new NotFound('Entity does not exist or is not available');
 		}
 		return new SystemTagsObjectMappingCollection(

apps/dav/lib/SystemTag/SystemTagMappingNode.php

Indentation +130 added lines, -130 removed lines

@@ -37,134 +37,134 @@
  * Mapping node for system tag to object id
  */
 class SystemTagMappingNode implements \Sabre\DAV\INode {
-	/**
-	 * @var ISystemTag
-	 */
-	protected $tag;
-
-	/**
-	 * @var string
-	 */
-	private $objectId;
-
-	/**
-	 * @var string
-	 */
-	private $objectType;
-
-	/**
-	 * User
-	 *
-	 * @var IUser
-	 */
-	protected $user;
-
-	/**
-	 * @var ISystemTagManager
-	 */
-	protected $tagManager;
-
-	/**
-	 * @var ISystemTagObjectMapper
-	 */
-	private $tagMapper;
-
-	/**
-	 * Sets up the node, expects a full path name
-	 *
-	 * @param ISystemTag $tag system tag
-	 * @param string $objectId
-	 * @param string $objectType
-	 * @param IUser $user user
-	 * @param ISystemTagManager $tagManager
-	 * @param ISystemTagObjectMapper $tagMapper
-	 */
-	public function __construct(
-		ISystemTag $tag,
-		$objectId,
-		$objectType,
-		IUser $user,
-		ISystemTagManager $tagManager,
-		ISystemTagObjectMapper $tagMapper
-	) {
-		$this->tag = $tag;
-		$this->objectId = $objectId;
-		$this->objectType = $objectType;
-		$this->user = $user;
-		$this->tagManager = $tagManager;
-		$this->tagMapper = $tagMapper;
-	}
-
-	/**
-	 * Returns the object id of the relationship
-	 *
-	 * @return string object id
-	 */
-	public function getObjectId() {
-		return $this->objectId;
-	}
-
-	/**
-	 * Returns the object type of the relationship
-	 *
-	 * @return string object type
-	 */
-	public function getObjectType() {
-		return $this->objectType;
-	}
-
-	/**
-	 * Returns the system tag represented by this node
-	 *
-	 * @return ISystemTag system tag
-	 */
-	public function getSystemTag() {
-		return $this->tag;
-	}
-
-	/**
-	 *  Returns the id of the tag
-	 *
-	 * @return string
-	 */
-	public function getName() {
-		return $this->tag->getId();
-	}
-
-	/**
-	 * Renames the node
-	 *
-	 * @param string $name The new name
-	 *
-	 * @throws MethodNotAllowed not allowed to rename node
-	 */
-	public function setName($name) {
-		throw new MethodNotAllowed();
-	}
-
-	/**
-	 * Returns null, not supported
-	 *
-	 */
-	public function getLastModified() {
-		return null;
-	}
-
-	/**
-	 * Delete tag to object association
-	 */
-	public function delete() {
-		try {
-			if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
-				throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found');
-			}
-			if (!$this->tagManager->canUserAssignTag($this->tag, $this->user)) {
-				throw new Forbidden('No permission to unassign tag ' . $this->tag->getId());
-			}
-			$this->tagMapper->unassignTags($this->objectId, $this->objectType, $this->tag->getId());
-		} catch (TagNotFoundException $e) {
-			// can happen if concurrent deletion occurred
-			throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found', 0, $e);
-		}
-	}
+    /**
+     * @var ISystemTag
+     */
+    protected $tag;
+
+    /**
+     * @var string
+     */
+    private $objectId;
+
+    /**
+     * @var string
+     */
+    private $objectType;
+
+    /**
+     * User
+     *
+     * @var IUser
+     */
+    protected $user;
+
+    /**
+     * @var ISystemTagManager
+     */
+    protected $tagManager;
+
+    /**
+     * @var ISystemTagObjectMapper
+     */
+    private $tagMapper;
+
+    /**
+     * Sets up the node, expects a full path name
+     *
+     * @param ISystemTag $tag system tag
+     * @param string $objectId
+     * @param string $objectType
+     * @param IUser $user user
+     * @param ISystemTagManager $tagManager
+     * @param ISystemTagObjectMapper $tagMapper
+     */
+    public function __construct(
+        ISystemTag $tag,
+        $objectId,
+        $objectType,
+        IUser $user,
+        ISystemTagManager $tagManager,
+        ISystemTagObjectMapper $tagMapper
+    ) {
+        $this->tag = $tag;
+        $this->objectId = $objectId;
+        $this->objectType = $objectType;
+        $this->user = $user;
+        $this->tagManager = $tagManager;
+        $this->tagMapper = $tagMapper;
+    }
+
+    /**
+     * Returns the object id of the relationship
+     *
+     * @return string object id
+     */
+    public function getObjectId() {
+        return $this->objectId;
+    }
+
+    /**
+     * Returns the object type of the relationship
+     *
+     * @return string object type
+     */
+    public function getObjectType() {
+        return $this->objectType;
+    }
+
+    /**
+     * Returns the system tag represented by this node
+     *
+     * @return ISystemTag system tag
+     */
+    public function getSystemTag() {
+        return $this->tag;
+    }
+
+    /**
+     *  Returns the id of the tag
+     *
+     * @return string
+     */
+    public function getName() {
+        return $this->tag->getId();
+    }
+
+    /**
+     * Renames the node
+     *
+     * @param string $name The new name
+     *
+     * @throws MethodNotAllowed not allowed to rename node
+     */
+    public function setName($name) {
+        throw new MethodNotAllowed();
+    }
+
+    /**
+     * Returns null, not supported
+     *
+     */
+    public function getLastModified() {
+        return null;
+    }
+
+    /**
+     * Delete tag to object association
+     */
+    public function delete() {
+        try {
+            if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
+                throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found');
+            }
+            if (!$this->tagManager->canUserAssignTag($this->tag, $this->user)) {
+                throw new Forbidden('No permission to unassign tag ' . $this->tag->getId());
+            }
+            $this->tagMapper->unassignTags($this->objectId, $this->objectType, $this->tag->getId());
+        } catch (TagNotFoundException $e) {
+            // can happen if concurrent deletion occurred
+            throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found', 0, $e);
+        }
+    }
 }

Spacing +3 added lines, -3 removed lines

@@ -156,15 +156,15 @@
 	public function delete() {
 		try {
 			if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
-				throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found');
+				throw new NotFound('Tag with id '.$this->tag->getId().' not found');
 			}
 			if (!$this->tagManager->canUserAssignTag($this->tag, $this->user)) {
-				throw new Forbidden('No permission to unassign tag ' . $this->tag->getId());
+				throw new Forbidden('No permission to unassign tag '.$this->tag->getId());
 			}
 			$this->tagMapper->unassignTags($this->objectId, $this->objectType, $this->tag->getId());
 		} catch (TagNotFoundException $e) {
 			// can happen if concurrent deletion occurred
-			throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found', 0, $e);
+			throw new NotFound('Tag with id '.$this->tag->getId().' not found', 0, $e);
 		}
 	}
 }

apps/dav/lib/SystemTag/SystemTagPlugin.php

Spacing +6 added lines, -6 removed lines

@@ -135,7 +135,7 @@ 
 			if ($node instanceof SystemTagsObjectMappingCollection) {
 				// also add to collection
 				$node->createFile($tag->getId());
-				$url = $request->getBaseUrl() . 'systemtags/';
+				$url = $request->getBaseUrl().'systemtags/';
 			} else {
 				$url = $request->getUrl();
 			}
@@ -144,7 +144,7 @@ 
 				$url .= '/';
 			}
 
-			$response->setHeader('Content-Location', $url . $tag->getId());
+			$response->setHeader('Content-Location', $url.$tag->getId());
 
 			// created
 			$response->setStatus(201);
@@ -179,11 +179,11 @@ 
 		$userAssignable = true;
 
 		if (isset($data['userVisible'])) {
-			$userVisible = (bool)$data['userVisible'];
+			$userVisible = (bool) $data['userVisible'];
 		}
 
 		if (isset($data['userAssignable'])) {
-			$userAssignable = (bool)$data['userAssignable'];
+			$userAssignable = (bool) $data['userAssignable'];
 		}
 
 		$groups = [];
@@ -194,8 +194,8 @@ 
 			}
 		}
 
-		if($userVisible === false || $userAssignable === false || !empty($groups)) {
-			if(!$this->userSession->isLoggedIn() || !$this->groupManager->isAdmin($this->userSession->getUser()->getUID())) {
+		if ($userVisible === false || $userAssignable === false || !empty($groups)) {
+			if (!$this->userSession->isLoggedIn() || !$this->groupManager->isAdmin($this->userSession->getUser()->getUID())) {
 				throw new BadRequest('Not sufficient permissions');
 			}
 		}

Indentation +276 added lines, -276 removed lines

@@ -46,280 +46,280 @@
  */
 class SystemTagPlugin extends \Sabre\DAV\ServerPlugin {
 
-	// namespace
-	const NS_OWNCLOUD = 'http://owncloud.org/ns';
-	const ID_PROPERTYNAME = '{http://owncloud.org/ns}id';
-	const DISPLAYNAME_PROPERTYNAME = '{http://owncloud.org/ns}display-name';
-	const USERVISIBLE_PROPERTYNAME = '{http://owncloud.org/ns}user-visible';
-	const USERASSIGNABLE_PROPERTYNAME = '{http://owncloud.org/ns}user-assignable';
-	const GROUPS_PROPERTYNAME = '{http://owncloud.org/ns}groups';
-	const CANASSIGN_PROPERTYNAME = '{http://owncloud.org/ns}can-assign';
-
-	/**
-	 * @var \Sabre\DAV\Server $server
-	 */
-	private $server;
-
-	/**
-	 * @var ISystemTagManager
-	 */
-	protected $tagManager;
-
-	/**
-	 * @var IUserSession
-	 */
-	protected $userSession;
-
-	/**
-	 * @var IGroupManager
-	 */
-	protected $groupManager;
-
-	/**
-	 * @param ISystemTagManager $tagManager tag manager
-	 * @param IGroupManager $groupManager
-	 * @param IUserSession $userSession
-	 */
-	public function __construct(ISystemTagManager $tagManager,
-								IGroupManager $groupManager,
-								IUserSession $userSession) {
-		$this->tagManager = $tagManager;
-		$this->userSession = $userSession;
-		$this->groupManager = $groupManager;
-	}
-
-	/**
-	 * This initializes the plugin.
-	 *
-	 * This function is called by \Sabre\DAV\Server, after
-	 * addPlugin is called.
-	 *
-	 * This method should set up the required event subscriptions.
-	 *
-	 * @param \Sabre\DAV\Server $server
-	 * @return void
-	 */
-	public function initialize(\Sabre\DAV\Server $server) {
-
-		$server->xml->namespaceMap[self::NS_OWNCLOUD] = 'oc';
-
-		$server->protectedProperties[] = self::ID_PROPERTYNAME;
-
-		$server->on('propFind', array($this, 'handleGetProperties'));
-		$server->on('propPatch', array($this, 'handleUpdateProperties'));
-		$server->on('method:POST', [$this, 'httpPost']);
-
-		$this->server = $server;
-	}
-
-	/**
-	 * POST operation on system tag collections
-	 *
-	 * @param RequestInterface $request request object
-	 * @param ResponseInterface $response response object
-	 * @return null|false
-	 */
-	public function httpPost(RequestInterface $request, ResponseInterface $response) {
-		$path = $request->getPath();
-
-		// Making sure the node exists
-		$node = $this->server->tree->getNodeForPath($path);
-		if ($node instanceof SystemTagsByIdCollection || $node instanceof SystemTagsObjectMappingCollection) {
-			$data = $request->getBodyAsString();
-
-			$tag = $this->createTag($data, $request->getHeader('Content-Type'));
-
-			if ($node instanceof SystemTagsObjectMappingCollection) {
-				// also add to collection
-				$node->createFile($tag->getId());
-				$url = $request->getBaseUrl() . 'systemtags/';
-			} else {
-				$url = $request->getUrl();
-			}
-
-			if ($url[strlen($url) - 1] !== '/') {
-				$url .= '/';
-			}
-
-			$response->setHeader('Content-Location', $url . $tag->getId());
-
-			// created
-			$response->setStatus(201);
-			return false;
-		}
-	}
-
-	/**
-	 * Creates a new tag
-	 *
-	 * @param string $data JSON encoded string containing the properties of the tag to create
-	 * @param string $contentType content type of the data
-	 * @return ISystemTag newly created system tag
-	 *
-	 * @throws BadRequest if a field was missing
-	 * @throws Conflict if a tag with the same properties already exists
-	 * @throws UnsupportedMediaType if the content type is not supported
-	 */
-	private function createTag($data, $contentType = 'application/json') {
-		if (explode(';', $contentType)[0] === 'application/json') {
-			$data = json_decode($data, true);
-		} else {
-			throw new UnsupportedMediaType();
-		}
-
-		if (!isset($data['name'])) {
-			throw new BadRequest('Missing "name" attribute');
-		}
-
-		$tagName = $data['name'];
-		$userVisible = true;
-		$userAssignable = true;
-
-		if (isset($data['userVisible'])) {
-			$userVisible = (bool)$data['userVisible'];
-		}
-
-		if (isset($data['userAssignable'])) {
-			$userAssignable = (bool)$data['userAssignable'];
-		}
-
-		$groups = [];
-		if (isset($data['groups'])) {
-			$groups = $data['groups'];
-			if (is_string($groups)) {
-				$groups = explode('|', $groups);
-			}
-		}
-
-		if($userVisible === false || $userAssignable === false || !empty($groups)) {
-			if(!$this->userSession->isLoggedIn() || !$this->groupManager->isAdmin($this->userSession->getUser()->getUID())) {
-				throw new BadRequest('Not sufficient permissions');
-			}
-		}
-
-		try {
-			$tag = $this->tagManager->createTag($tagName, $userVisible, $userAssignable);
-			if (!empty($groups)) {
-				$this->tagManager->setTagGroups($tag, $groups);
-			}
-			return $tag;
-		} catch (TagAlreadyExistsException $e) {
-			throw new Conflict('Tag already exists', 0, $e);
-		}
-	}
-
-
-	/**
-	 * Retrieves system tag properties
-	 *
-	 * @param PropFind $propFind
-	 * @param \Sabre\DAV\INode $node
-	 */
-	public function handleGetProperties(
-		PropFind $propFind,
-		\Sabre\DAV\INode $node
-	) {
-		if (!($node instanceof SystemTagNode) && !($node instanceof SystemTagMappingNode)) {
-			return;
-		}
-
-		$propFind->handle(self::ID_PROPERTYNAME, function() use ($node) {
-			return $node->getSystemTag()->getId();
-		});
-
-		$propFind->handle(self::DISPLAYNAME_PROPERTYNAME, function() use ($node) {
-			return $node->getSystemTag()->getName();
-		});
-
-		$propFind->handle(self::USERVISIBLE_PROPERTYNAME, function() use ($node) {
-			return $node->getSystemTag()->isUserVisible() ? 'true' : 'false';
-		});
-
-		$propFind->handle(self::USERASSIGNABLE_PROPERTYNAME, function() use ($node) {
-			// this is the tag's inherent property "is user assignable"
-			return $node->getSystemTag()->isUserAssignable() ? 'true' : 'false';
-		});
-
-		$propFind->handle(self::CANASSIGN_PROPERTYNAME, function() use ($node) {
-			// this is the effective permission for the current user
-			return $this->tagManager->canUserAssignTag($node->getSystemTag(), $this->userSession->getUser()) ? 'true' : 'false';
-		});
-
-		$propFind->handle(self::GROUPS_PROPERTYNAME, function() use ($node) {
-			if (!$this->groupManager->isAdmin($this->userSession->getUser()->getUID())) {
-				// property only available for admins
-				throw new Forbidden();
-			}
-			$groups = [];
-			// no need to retrieve groups for namespaces that don't qualify
-			if ($node->getSystemTag()->isUserVisible() && !$node->getSystemTag()->isUserAssignable()) {
-				$groups = $this->tagManager->getTagGroups($node->getSystemTag());
-			}
-			return implode('|', $groups);
-		});
-	}
-
-	/**
-	 * Updates tag attributes
-	 *
-	 * @param string $path
-	 * @param PropPatch $propPatch
-	 *
-	 * @return void
-	 */
-	public function handleUpdateProperties($path, PropPatch $propPatch) {
-		$node = $this->server->tree->getNodeForPath($path);
-		if (!($node instanceof SystemTagNode)) {
-			return;
-		}
-
-		$propPatch->handle([
-			self::DISPLAYNAME_PROPERTYNAME,
-			self::USERVISIBLE_PROPERTYNAME,
-			self::USERASSIGNABLE_PROPERTYNAME,
-			self::GROUPS_PROPERTYNAME,
-		], function($props) use ($node) {
-			$tag = $node->getSystemTag();
-			$name = $tag->getName();
-			$userVisible = $tag->isUserVisible();
-			$userAssignable = $tag->isUserAssignable();
-
-			$updateTag = false;
-
-			if (isset($props[self::DISPLAYNAME_PROPERTYNAME])) {
-				$name = $props[self::DISPLAYNAME_PROPERTYNAME];
-				$updateTag = true;
-			}
-
-			if (isset($props[self::USERVISIBLE_PROPERTYNAME])) {
-				$propValue = $props[self::USERVISIBLE_PROPERTYNAME];
-				$userVisible = ($propValue !== 'false' && $propValue !== '0');
-				$updateTag = true;
-			}
-
-			if (isset($props[self::USERASSIGNABLE_PROPERTYNAME])) {
-				$propValue = $props[self::USERASSIGNABLE_PROPERTYNAME];
-				$userAssignable = ($propValue !== 'false' && $propValue !== '0');
-				$updateTag = true;
-			}
-
-			if (isset($props[self::GROUPS_PROPERTYNAME])) {
-				if (!$this->groupManager->isAdmin($this->userSession->getUser()->getUID())) {
-					// property only available for admins
-					throw new Forbidden();
-				}
-
-				$propValue = $props[self::GROUPS_PROPERTYNAME];
-				$groupIds = explode('|', $propValue);
-				$this->tagManager->setTagGroups($tag, $groupIds);
-			}
-
-			if ($updateTag) {
-				$node->update($name, $userVisible, $userAssignable);
-			}
-
-			return true;
-		});
-
-	}
+    // namespace
+    const NS_OWNCLOUD = 'http://owncloud.org/ns';
+    const ID_PROPERTYNAME = '{http://owncloud.org/ns}id';
+    const DISPLAYNAME_PROPERTYNAME = '{http://owncloud.org/ns}display-name';
+    const USERVISIBLE_PROPERTYNAME = '{http://owncloud.org/ns}user-visible';
+    const USERASSIGNABLE_PROPERTYNAME = '{http://owncloud.org/ns}user-assignable';
+    const GROUPS_PROPERTYNAME = '{http://owncloud.org/ns}groups';
+    const CANASSIGN_PROPERTYNAME = '{http://owncloud.org/ns}can-assign';
+
+    /**
+     * @var \Sabre\DAV\Server $server
+     */
+    private $server;
+
+    /**
+     * @var ISystemTagManager
+     */
+    protected $tagManager;
+
+    /**
+     * @var IUserSession
+     */
+    protected $userSession;
+
+    /**
+     * @var IGroupManager
+     */
+    protected $groupManager;
+
+    /**
+     * @param ISystemTagManager $tagManager tag manager
+     * @param IGroupManager $groupManager
+     * @param IUserSession $userSession
+     */
+    public function __construct(ISystemTagManager $tagManager,
+                                IGroupManager $groupManager,
+                                IUserSession $userSession) {
+        $this->tagManager = $tagManager;
+        $this->userSession = $userSession;
+        $this->groupManager = $groupManager;
+    }
+
+    /**
+     * This initializes the plugin.
+     *
+     * This function is called by \Sabre\DAV\Server, after
+     * addPlugin is called.
+     *
+     * This method should set up the required event subscriptions.
+     *
+     * @param \Sabre\DAV\Server $server
+     * @return void
+     */
+    public function initialize(\Sabre\DAV\Server $server) {
+
+        $server->xml->namespaceMap[self::NS_OWNCLOUD] = 'oc';
+
+        $server->protectedProperties[] = self::ID_PROPERTYNAME;
+
+        $server->on('propFind', array($this, 'handleGetProperties'));
+        $server->on('propPatch', array($this, 'handleUpdateProperties'));
+        $server->on('method:POST', [$this, 'httpPost']);
+
+        $this->server = $server;
+    }
+
+    /**
+     * POST operation on system tag collections
+     *
+     * @param RequestInterface $request request object
+     * @param ResponseInterface $response response object
+     * @return null|false
+     */
+    public function httpPost(RequestInterface $request, ResponseInterface $response) {
+        $path = $request->getPath();
+
+        // Making sure the node exists
+        $node = $this->server->tree->getNodeForPath($path);
+        if ($node instanceof SystemTagsByIdCollection || $node instanceof SystemTagsObjectMappingCollection) {
+            $data = $request->getBodyAsString();
+
+            $tag = $this->createTag($data, $request->getHeader('Content-Type'));
+
+            if ($node instanceof SystemTagsObjectMappingCollection) {
+                // also add to collection
+                $node->createFile($tag->getId());
+                $url = $request->getBaseUrl() . 'systemtags/';
+            } else {
+                $url = $request->getUrl();
+            }
+
+            if ($url[strlen($url) - 1] !== '/') {
+                $url .= '/';
+            }
+
+            $response->setHeader('Content-Location', $url . $tag->getId());
+
+            // created
+            $response->setStatus(201);
+            return false;
+        }
+    }
+
+    /**
+     * Creates a new tag
+     *
+     * @param string $data JSON encoded string containing the properties of the tag to create
+     * @param string $contentType content type of the data
+     * @return ISystemTag newly created system tag
+     *
+     * @throws BadRequest if a field was missing
+     * @throws Conflict if a tag with the same properties already exists
+     * @throws UnsupportedMediaType if the content type is not supported
+     */
+    private function createTag($data, $contentType = 'application/json') {
+        if (explode(';', $contentType)[0] === 'application/json') {
+            $data = json_decode($data, true);
+        } else {
+            throw new UnsupportedMediaType();
+        }
+
+        if (!isset($data['name'])) {
+            throw new BadRequest('Missing "name" attribute');
+        }
+
+        $tagName = $data['name'];
+        $userVisible = true;
+        $userAssignable = true;
+
+        if (isset($data['userVisible'])) {
+            $userVisible = (bool)$data['userVisible'];
+        }
+
+        if (isset($data['userAssignable'])) {
+            $userAssignable = (bool)$data['userAssignable'];
+        }
+
+        $groups = [];
+        if (isset($data['groups'])) {
+            $groups = $data['groups'];
+            if (is_string($groups)) {
+                $groups = explode('|', $groups);
+            }
+        }
+
+        if($userVisible === false || $userAssignable === false || !empty($groups)) {
+            if(!$this->userSession->isLoggedIn() || !$this->groupManager->isAdmin($this->userSession->getUser()->getUID())) {
+                throw new BadRequest('Not sufficient permissions');
+            }
+        }
+
+        try {
+            $tag = $this->tagManager->createTag($tagName, $userVisible, $userAssignable);
+            if (!empty($groups)) {
+                $this->tagManager->setTagGroups($tag, $groups);
+            }
+            return $tag;
+        } catch (TagAlreadyExistsException $e) {
+            throw new Conflict('Tag already exists', 0, $e);
+        }
+    }
+
+
+    /**
+     * Retrieves system tag properties
+     *
+     * @param PropFind $propFind
+     * @param \Sabre\DAV\INode $node
+     */
+    public function handleGetProperties(
+        PropFind $propFind,
+        \Sabre\DAV\INode $node
+    ) {
+        if (!($node instanceof SystemTagNode) && !($node instanceof SystemTagMappingNode)) {
+            return;
+        }
+
+        $propFind->handle(self::ID_PROPERTYNAME, function() use ($node) {
+            return $node->getSystemTag()->getId();
+        });
+
+        $propFind->handle(self::DISPLAYNAME_PROPERTYNAME, function() use ($node) {
+            return $node->getSystemTag()->getName();
+        });
+
+        $propFind->handle(self::USERVISIBLE_PROPERTYNAME, function() use ($node) {
+            return $node->getSystemTag()->isUserVisible() ? 'true' : 'false';
+        });
+
+        $propFind->handle(self::USERASSIGNABLE_PROPERTYNAME, function() use ($node) {
+            // this is the tag's inherent property "is user assignable"
+            return $node->getSystemTag()->isUserAssignable() ? 'true' : 'false';
+        });
+
+        $propFind->handle(self::CANASSIGN_PROPERTYNAME, function() use ($node) {
+            // this is the effective permission for the current user
+            return $this->tagManager->canUserAssignTag($node->getSystemTag(), $this->userSession->getUser()) ? 'true' : 'false';
+        });
+
+        $propFind->handle(self::GROUPS_PROPERTYNAME, function() use ($node) {
+            if (!$this->groupManager->isAdmin($this->userSession->getUser()->getUID())) {
+                // property only available for admins
+                throw new Forbidden();
+            }
+            $groups = [];
+            // no need to retrieve groups for namespaces that don't qualify
+            if ($node->getSystemTag()->isUserVisible() && !$node->getSystemTag()->isUserAssignable()) {
+                $groups = $this->tagManager->getTagGroups($node->getSystemTag());
+            }
+            return implode('|', $groups);
+        });
+    }
+
+    /**
+     * Updates tag attributes
+     *
+     * @param string $path
+     * @param PropPatch $propPatch
+     *
+     * @return void
+     */
+    public function handleUpdateProperties($path, PropPatch $propPatch) {
+        $node = $this->server->tree->getNodeForPath($path);
+        if (!($node instanceof SystemTagNode)) {
+            return;
+        }
+
+        $propPatch->handle([
+            self::DISPLAYNAME_PROPERTYNAME,
+            self::USERVISIBLE_PROPERTYNAME,
+            self::USERASSIGNABLE_PROPERTYNAME,
+            self::GROUPS_PROPERTYNAME,
+        ], function($props) use ($node) {
+            $tag = $node->getSystemTag();
+            $name = $tag->getName();
+            $userVisible = $tag->isUserVisible();
+            $userAssignable = $tag->isUserAssignable();
+
+            $updateTag = false;
+
+            if (isset($props[self::DISPLAYNAME_PROPERTYNAME])) {
+                $name = $props[self::DISPLAYNAME_PROPERTYNAME];
+                $updateTag = true;
+            }
+
+            if (isset($props[self::USERVISIBLE_PROPERTYNAME])) {
+                $propValue = $props[self::USERVISIBLE_PROPERTYNAME];
+                $userVisible = ($propValue !== 'false' && $propValue !== '0');
+                $updateTag = true;
+            }
+
+            if (isset($props[self::USERASSIGNABLE_PROPERTYNAME])) {
+                $propValue = $props[self::USERASSIGNABLE_PROPERTYNAME];
+                $userAssignable = ($propValue !== 'false' && $propValue !== '0');
+                $updateTag = true;
+            }
+
+            if (isset($props[self::GROUPS_PROPERTYNAME])) {
+                if (!$this->groupManager->isAdmin($this->userSession->getUser()->getUID())) {
+                    // property only available for admins
+                    throw new Forbidden();
+                }
+
+                $propValue = $props[self::GROUPS_PROPERTYNAME];
+                $groupIds = explode('|', $propValue);
+                $this->tagManager->setTagGroups($tag, $groupIds);
+            }
+
+            if ($updateTag) {
+                $node->update($name, $userVisible, $userAssignable);
+            }
+
+            return true;
+        });
+
+    }
 }

apps/dav/lib/SystemTag/SystemTagsObjectMappingCollection.php

Spacing +5 added lines, -5 removed lines

@@ -95,15 +95,15 @@ 
 			$tags = $this->tagManager->getTagsByIds([$tagId]);
 			$tag = current($tags);
 			if (!$this->tagManager->canUserSeeTag($tag, $this->user)) {
-				throw new PreconditionFailed('Tag with id ' . $tagId . ' does not exist, cannot assign');
+				throw new PreconditionFailed('Tag with id '.$tagId.' does not exist, cannot assign');
 			}
 			if (!$this->tagManager->canUserAssignTag($tag, $this->user)) {
-				throw new Forbidden('No permission to assign tag ' . $tagId);
+				throw new Forbidden('No permission to assign tag '.$tagId);
 			}
 
 			$this->tagMapper->assignTags($this->objectId, $this->objectType, $tagId);
 		} catch (TagNotFoundException $e) {
-			throw new PreconditionFailed('Tag with id ' . $tagId . ' does not exist, cannot assign');
+			throw new PreconditionFailed('Tag with id '.$tagId.' does not exist, cannot assign');
 		}
 	}
 
@@ -120,11 +120,11 @@ 
 					return $this->makeNode($tag);
 				}
 			}
-			throw new NotFound('Tag with id ' . $tagId . ' not present for object ' . $this->objectId);
+			throw new NotFound('Tag with id '.$tagId.' not present for object '.$this->objectId);
 		} catch (\InvalidArgumentException $e) {
 			throw new BadRequest('Invalid tag id', 0, $e);
 		} catch (TagNotFoundException $e) {
-			throw new NotFound('Tag with id ' . $tagId . ' not found', 0, $e);
+			throw new NotFound('Tag with id '.$tagId.' not found', 0, $e);
 		}
 	}
 

Indentation +165 added lines, -165 removed lines

@@ -39,169 +39,169 @@
  */
 class SystemTagsObjectMappingCollection implements ICollection {
 
-	/**
-	 * @var string
-	 */
-	private $objectId;
-
-	/**
-	 * @var string
-	 */
-	private $objectType;
-
-	/**
-	 * @var ISystemTagManager
-	 */
-	private $tagManager;
-
-	/**
-	 * @var ISystemTagObjectMapper
-	 */
-	private $tagMapper;
-
-	/**
-	 * User
-	 *
-	 * @var IUser
-	 */
-	private $user;
-
-
-	/**
-	 * Constructor
-	 *
-	 * @param string $objectId object id
-	 * @param string $objectType object type
-	 * @param IUser $user user
-	 * @param ISystemTagManager $tagManager tag manager
-	 * @param ISystemTagObjectMapper $tagMapper tag mapper
-	 */
-	public function __construct(
-		$objectId,
-		$objectType,
-		IUser $user,
-		ISystemTagManager $tagManager,
-		ISystemTagObjectMapper $tagMapper
-	) {
-		$this->tagManager = $tagManager;
-		$this->tagMapper = $tagMapper;
-		$this->objectId = $objectId;
-		$this->objectType = $objectType;
-		$this->user = $user;
-	}
-
-	function createFile($tagId, $data = null) {
-		try {
-			$tags = $this->tagManager->getTagsByIds([$tagId]);
-			$tag = current($tags);
-			if (!$this->tagManager->canUserSeeTag($tag, $this->user)) {
-				throw new PreconditionFailed('Tag with id ' . $tagId . ' does not exist, cannot assign');
-			}
-			if (!$this->tagManager->canUserAssignTag($tag, $this->user)) {
-				throw new Forbidden('No permission to assign tag ' . $tagId);
-			}
-
-			$this->tagMapper->assignTags($this->objectId, $this->objectType, $tagId);
-		} catch (TagNotFoundException $e) {
-			throw new PreconditionFailed('Tag with id ' . $tagId . ' does not exist, cannot assign');
-		}
-	}
-
-	function createDirectory($name) {
-		throw new Forbidden('Permission denied to create collections');
-	}
-
-	function getChild($tagId) {
-		try {
-			if ($this->tagMapper->haveTag([$this->objectId], $this->objectType, $tagId, true)) {
-				$tag = $this->tagManager->getTagsByIds([$tagId]);
-				$tag = current($tag);
-				if ($this->tagManager->canUserSeeTag($tag, $this->user)) {
-					return $this->makeNode($tag);
-				}
-			}
-			throw new NotFound('Tag with id ' . $tagId . ' not present for object ' . $this->objectId);
-		} catch (\InvalidArgumentException $e) {
-			throw new BadRequest('Invalid tag id', 0, $e);
-		} catch (TagNotFoundException $e) {
-			throw new NotFound('Tag with id ' . $tagId . ' not found', 0, $e);
-		}
-	}
-
-	function getChildren() {
-		$tagIds = current($this->tagMapper->getTagIdsForObjects([$this->objectId], $this->objectType));
-		if (empty($tagIds)) {
-			return [];
-		}
-		$tags = $this->tagManager->getTagsByIds($tagIds);
-
-		// filter out non-visible tags
-		$tags = array_filter($tags, function($tag) {
-			return $this->tagManager->canUserSeeTag($tag, $this->user);
-		});
-
-		return array_values(array_map(function($tag) {
-			return $this->makeNode($tag);
-		}, $tags));
-	}
-
-	function childExists($tagId) {
-		try {
-			$result = $this->tagMapper->haveTag([$this->objectId], $this->objectType, $tagId, true);
-
-			if ($result) {
-				$tags = $this->tagManager->getTagsByIds([$tagId]);
-				$tag = current($tags);
-				if (!$this->tagManager->canUserSeeTag($tag, $this->user)) {
-					return false;
-				}
-			}
-
-			return $result;
-		} catch (\InvalidArgumentException $e) {
-			throw new BadRequest('Invalid tag id', 0, $e);
-		} catch (TagNotFoundException $e) {
-			return false;
-		}
-	}
-
-	function delete() {
-		throw new Forbidden('Permission denied to delete this collection');
-	}
-
-	function getName() {
-		return $this->objectId;
-	}
-
-	function setName($name) {
-		throw new Forbidden('Permission denied to rename this collection');
-	}
-
-	/**
-	 * Returns the last modification time, as a unix timestamp
-	 *
-	 * @return int
-	 */
-	function getLastModified() {
-		return null;
-	}
-
-	/**
-	 * Create a sabre node for the mapping of the 
-	 * given system tag to the collection's object
-	 *
-	 * @param ISystemTag $tag
-	 *
-	 * @return SystemTagMappingNode
-	 */
-	private function makeNode(ISystemTag $tag) {
-		return new SystemTagMappingNode(
-			$tag,
-			$this->objectId,
-			$this->objectType,
-			$this->user,
-			$this->tagManager,
-			$this->tagMapper
-		);
-	}
+    /**
+     * @var string
+     */
+    private $objectId;
+
+    /**
+     * @var string
+     */
+    private $objectType;
+
+    /**
+     * @var ISystemTagManager
+     */
+    private $tagManager;
+
+    /**
+     * @var ISystemTagObjectMapper
+     */
+    private $tagMapper;
+
+    /**
+     * User
+     *
+     * @var IUser
+     */
+    private $user;
+
+
+    /**
+     * Constructor
+     *
+     * @param string $objectId object id
+     * @param string $objectType object type
+     * @param IUser $user user
+     * @param ISystemTagManager $tagManager tag manager
+     * @param ISystemTagObjectMapper $tagMapper tag mapper
+     */
+    public function __construct(
+        $objectId,
+        $objectType,
+        IUser $user,
+        ISystemTagManager $tagManager,
+        ISystemTagObjectMapper $tagMapper
+    ) {
+        $this->tagManager = $tagManager;
+        $this->tagMapper = $tagMapper;
+        $this->objectId = $objectId;
+        $this->objectType = $objectType;
+        $this->user = $user;
+    }
+
+    function createFile($tagId, $data = null) {
+        try {
+            $tags = $this->tagManager->getTagsByIds([$tagId]);
+            $tag = current($tags);
+            if (!$this->tagManager->canUserSeeTag($tag, $this->user)) {
+                throw new PreconditionFailed('Tag with id ' . $tagId . ' does not exist, cannot assign');
+            }
+            if (!$this->tagManager->canUserAssignTag($tag, $this->user)) {
+                throw new Forbidden('No permission to assign tag ' . $tagId);
+            }
+
+            $this->tagMapper->assignTags($this->objectId, $this->objectType, $tagId);
+        } catch (TagNotFoundException $e) {
+            throw new PreconditionFailed('Tag with id ' . $tagId . ' does not exist, cannot assign');
+        }
+    }
+
+    function createDirectory($name) {
+        throw new Forbidden('Permission denied to create collections');
+    }
+
+    function getChild($tagId) {
+        try {
+            if ($this->tagMapper->haveTag([$this->objectId], $this->objectType, $tagId, true)) {
+                $tag = $this->tagManager->getTagsByIds([$tagId]);
+                $tag = current($tag);
+                if ($this->tagManager->canUserSeeTag($tag, $this->user)) {
+                    return $this->makeNode($tag);
+                }
+            }
+            throw new NotFound('Tag with id ' . $tagId . ' not present for object ' . $this->objectId);
+        } catch (\InvalidArgumentException $e) {
+            throw new BadRequest('Invalid tag id', 0, $e);
+        } catch (TagNotFoundException $e) {
+            throw new NotFound('Tag with id ' . $tagId . ' not found', 0, $e);
+        }
+    }
+
+    function getChildren() {
+        $tagIds = current($this->tagMapper->getTagIdsForObjects([$this->objectId], $this->objectType));
+        if (empty($tagIds)) {
+            return [];
+        }
+        $tags = $this->tagManager->getTagsByIds($tagIds);
+
+        // filter out non-visible tags
+        $tags = array_filter($tags, function($tag) {
+            return $this->tagManager->canUserSeeTag($tag, $this->user);
+        });
+
+        return array_values(array_map(function($tag) {
+            return $this->makeNode($tag);
+        }, $tags));
+    }
+
+    function childExists($tagId) {
+        try {
+            $result = $this->tagMapper->haveTag([$this->objectId], $this->objectType, $tagId, true);
+
+            if ($result) {
+                $tags = $this->tagManager->getTagsByIds([$tagId]);
+                $tag = current($tags);
+                if (!$this->tagManager->canUserSeeTag($tag, $this->user)) {
+                    return false;
+                }
+            }
+
+            return $result;
+        } catch (\InvalidArgumentException $e) {
+            throw new BadRequest('Invalid tag id', 0, $e);
+        } catch (TagNotFoundException $e) {
+            return false;
+        }
+    }
+
+    function delete() {
+        throw new Forbidden('Permission denied to delete this collection');
+    }
+
+    function getName() {
+        return $this->objectId;
+    }
+
+    function setName($name) {
+        throw new Forbidden('Permission denied to rename this collection');
+    }
+
+    /**
+     * Returns the last modification time, as a unix timestamp
+     *
+     * @return int
+     */
+    function getLastModified() {
+        return null;
+    }
+
+    /**
+     * Create a sabre node for the mapping of the 
+     * given system tag to the collection's object
+     *
+     * @param ISystemTag $tag
+     *
+     * @return SystemTagMappingNode
+     */
+    private function makeNode(ISystemTag $tag) {
+        return new SystemTagMappingNode(
+            $tag,
+            $this->objectId,
+            $this->objectType,
+            $this->user,
+            $this->tagManager,
+            $this->tagMapper
+        );
+    }
 }