apps/dav/lib/CardDAV/CardDavBackend.php
<?php
/**
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Björn Schießle <bjoern@schiessle.org>
* @author Georg Ehrke <georg@owncloud.com>
* @author Joas Schilling <coding@schilljs.com>
* @author Stefan Weil <sw@weilnetz.de>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @copyright Copyright (c) 2018, ownCloud GmbH
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\DAV\CardDAV;
use OC\Cache\CappedMemoryCache;
use OCA\DAV\Connector\Sabre\Principal;
use OCA\DAV\DAV\GroupPrincipalBackend;
use OCA\DAV\DAV\Sharing\Backend;
use OCA\DAV\DAV\Sharing\IShareable;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
use PDO;
use Sabre\CardDAV\Backend\BackendInterface;
use Sabre\CardDAV\Backend\SyncSupport;
use Sabre\CardDAV\Plugin;
use Sabre\DAV\Exception\BadRequest;
use Sabre\VObject\Component\VCard;
use Sabre\VObject\Reader;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\GenericEvent;
class CardDavBackend implements BackendInterface, SyncSupport {
/** @var Principal */
private $principalBackend;
/** @var string */
private $dbCardsTable = 'cards';
/** @var string */
private $dbCardsPropertiesTable = 'cards_properties';
/** @var IDBConnection */
private $db;
/** @var Backend */
private $sharingBackend;
/** @var CappedMemoryCache Cache of card URI to db row ids */
private $idCache;
/** @var array properties to index */
public static $indexProperties = [
'BDAY', 'UID', 'N', 'FN', 'TITLE', 'ROLE', 'NOTE', 'NICKNAME',
'ORG', 'CATEGORIES', 'EMAIL', 'TEL', 'IMPP', 'ADR', 'URL', 'GEO', 'CLOUD'];
/** @var EventDispatcherInterface */
private $dispatcher;
/** @var bool */
private $legacyMode;
/**
* CardDavBackend constructor.
*
* @param IDBConnection $db
* @param Principal $principalBackend
* @param GroupPrincipalBackend $groupPrincipalBackend
* @param EventDispatcherInterface $dispatcher
* @param bool $legacyMode
*/
public function __construct(
IDBConnection $db,
Principal $principalBackend,
GroupPrincipalBackend $groupPrincipalBackend,
EventDispatcherInterface $dispatcher = null,
$legacyMode = false
) {
$this->db = $db;
$this->principalBackend = $principalBackend;
$this->dispatcher = $dispatcher;
$this->sharingBackend = new Backend($this->db, $principalBackend, $groupPrincipalBackend, 'addressbook');
$this->legacyMode = $legacyMode;
$this->idCache = new CappedMemoryCache();
}
/**
* 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 $principalUri
* @return array
*/
public function getUsersOwnAddressBooks($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']),
'{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'] ?: '0',
];
}
$result->closeCursor();
return \array_values($addressBooks);
}
/**
* Returns the list of address books for a specific user, including shared by other users.
*
* 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 $principalUri
* @return array
* @throws \Sabre\DAV\Exception
*/
public function getAddressBooksForUser($principalUri) {
$addressBooks = $this->getUsersOwnAddressBooks($principalUri);
// query for shared calendars
$principals = $this->principalBackend->getGroupMembership($principalUri, true);
$principals[]= $principalUri;
$addressBooksIds[] = -1;
foreach ($addressBooks as $book) {
$addressBooksIds[] = $book['id'];
}
$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()->notIn('a.id', $query->createParameter('ownaddressbookids')))
->andWhere($query->expr()->eq('s.type', $query->createParameter('type')))
->setParameter('type', 'addressbook')
->setParameter('ownaddressbookids', $addressBooksIds, IQueryBuilder::PARAM_INT_ARRAY)
->setParameter('principaluri', $principals, IQueryBuilder::PARAM_STR_ARRAY)
->execute();
while ($row = $result->fetch()) {
list(, $name) = \Sabre\Uri\split($row['principaluri']);
$uri = $row['uri'] . '_shared_by_' . $name;
$displayName = $row['displayname'] . " ($name)";
if (!isset($addressBooks[$row['id']])) {
$addressBooks[$row['id']] = [
'id' => $row['id'],
'uri' => $uri,
'principaluri' => $principalUri,
'{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']?:'0',
'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $row['principaluri'],
'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only' => (int)$row['access'] === Backend::ACCESS_READ,
];
}
}
$result->closeCursor();
return \array_values($addressBooks);
}
/**
* @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;
}
return [
'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']?:'0',
];
}
/**
* @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;
}
return [
'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']?:'0',
];
}
/**
* 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 $propPatch
* @return void
*/
public function updateAddressBook($addressBookId, \Sabre\DAV\PropPatch $propPatch) {
$supportedProperties = [
'{DAV:}displayname',
'{' . Plugin::NS_CARDDAV . '}addressbook-description',
];
$propPatch->handle($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 $properties
* @return int
* @throws \BadMethodCallException
* @throws BadRequest
*/
public function createAddressBook($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: ' . $property);
}
}
// Fallback to make sure the displayname is set. Some clients may refuse
// to work with addressbooks not having a displayname.
if ($values['displayname'] === null) {
$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 $addressBookId
* @return void
*/
public function deleteAddressBook($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 omit carddata.
* This may speed up certain requests, especially with large cards.
*
* @param mixed $addressBookId
* @return array
*/
public function getCards($addressBookId) {
$query = $this->db->getQueryBuilder();
$query->select(['id', 'uri', 'lastmodified', 'etag', 'size', 'carddata'])
->from('cards')
->where($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 $cardUri
* @return array|false
*/
public function getCard($addressBookId, $cardUri) {
$query = $this->db->getQueryBuilder();
$query->select(['id', 'uri', 'lastmodified', 'etag', 'size', 'carddata'])
->from('cards')
->where($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[] $uris
* @return array
*/
public function getMultipleCards($addressBookId, array $uris) {
$chunkSize = 998;
if (\count($uris) <= $chunkSize) {
$query = $this->db->getQueryBuilder();
$query->select(['id', 'uri', 'lastmodified', 'etag', 'size', 'carddata'])
->from('cards')
->where($query->expr()->eq('addressbookid', $query->createNamedParameter($addressBookId)))
->andWhere($query->expr()->in('uri', $query->createParameter('uri')))
->setParameter('uri', $uris, IQueryBuilder::PARAM_STR_ARRAY);
$cards = [];
$result = $query->execute();
while ($row = $result->fetch()) {
$row['etag'] = '"' . $row['etag'] . '"';
$row['carddata'] = $this->readBlob($row['carddata']);
$cards[] = $row;
}
$result->closeCursor();
return $cards;
}
$chunks = \array_chunk($uris, $chunkSize);
$results = \array_map(function ($chunk) use ($addressBookId) {
return $this->getMultipleCards($addressBookId, $chunk);
}, $chunks);
return \array_merge(...$results);
}
/**
* 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 $cardData
* @return string
* @throws \BadMethodCallException
*/
public function createCard($addressBookId, $cardUri, $cardData) {
$etag = \md5($cardData);
$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),
])
->execute();
// Cache the ID so that it can be used for the updateProperties method
$this->idCache->set($addressBookId.$cardUri, $query->getLastInsertId());
$this->addChange($addressBookId, $cardUri, 1);
$this->updateProperties($addressBookId, $cardUri, $cardData);
if ($this->dispatcher !== null) {
$this->dispatcher->dispatch(
new GenericEvent(null, [
'addressBookId' => $addressBookId,
'cardUri' => $cardUri,
'cardData' => $cardData]),
'\OCA\DAV\CardDAV\CardDavBackend::createCard',
);
}
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 $cardData
* @return string
*/
public function updateCard($addressBookId, $cardUri, $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))
->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, $cardData);
if ($this->dispatcher !== null) {
$this->dispatcher->dispatch(
new GenericEvent(null, [
'addressBookId' => $addressBookId,
'cardUri' => $cardUri,
'cardData' => $cardData]),
'\OCA\DAV\CardDAV\CardDavBackend::updateCard'
);
}
return '"' . $etag . '"';
}
/**
* Deletes a card
*
* @param mixed $addressBookId
* @param string $cardUri
* @return bool
*/
public function deleteCard($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, $cardUri, 3);
if ($this->dispatcher !== null) {
$this->dispatcher->dispatch(
new GenericEvent(null, [
'addressBookId' => $addressBookId,
'cardUri' => $cardUri]),
'\OCA\DAV\CardDAV\CardDavBackend::deleteCard'
);
}
if ($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 $limit
* @return array
*/
public function getChangesForAddressBook($addressBookId, $syncToken, $syncLevel, $limit = null) {
// Current synctoken
$stmt = $this->db->prepare('SELECT `synctoken` FROM `*PREFIX*addressbooks` WHERE `id` = ?');
$stmt->execute([ $addressBookId ]);
$currentToken = $stmt->fetchColumn();
if ($currentToken === null) {
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`';
// Fetching all changes
$stmt = $this->db->prepare($query, $limit ?: null, $limit ? 0 : null);
$stmt->execute([$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 int $limit
* @param int $offset
* @return array an array of contacts which are arrays of key-value-pairs
*/
public function search($addressBookId, $pattern, $searchProperties, $limit = 100, $offset = 0) {
return $this->searchEx($addressBookId, $pattern, $searchProperties, [], $limit, $offset);
}
/**
* search contact with options
*
* @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
* available options:
* 'matchMode'
* - 'ANY' (default) - pattern can be anywhere in property value
* - 'START' - property value should start with pattern
* - 'END' - property value should end with pattern
* - 'EXACT' - property value should match the pattern exactly
* @param int $limit
* @param int $offset
* @return array an array of contacts which are arrays of key-value-pairs
*/
public function searchEx($addressBookId, $pattern, $searchProperties, $options, $limit = 100, $offset = 0) {
$query = $this->db->getQueryBuilder();
$cardIdSelect = $this->db->getQueryBuilder();
$cardIdSelect->selectDistinct('cp.cardid')->from($this->dbCardsPropertiesTable, 'cp');
$matchMode = $options['matchMode'] ?? 'any';
switch ($matchMode) {
case 'START':
$searchPattern = $this->db->escapeLikeParameter($pattern) . '%';
break;
case 'END':
$searchPattern = '%' . $this->db->escapeLikeParameter($pattern);
break;
case 'EXACT':
$searchPattern = $this->db->escapeLikeParameter($pattern);
break;
case 'ANY':
default:
$searchPattern = '%' . $this->db->escapeLikeParameter($pattern) . '%';
}
foreach ($searchProperties as $property) {
$cardIdSelect->orWhere(
$cardIdSelect->expr()->andX(
$cardIdSelect->expr()->eq('cp.name', $query->createNamedParameter($property)),
$cardIdSelect->expr()->iLike('cp.value', $query->createNamedParameter($searchPattern))
)
);
}
$cardIdSelect->andWhere($cardIdSelect->expr()->eq('cp.addressbookid', $query->createNamedParameter($addressBookId)));
$query->select('c.carddata', 'c.uri')->from($this->dbCardsTable, 'c')
->where($query->expr()->in('c.id', $query->createFunction($cardIdSelect->getSQL())))
->andWhere($query->expr()->eq('c.addressbookid', $query->createNamedParameter($addressBookId)));
$query->setFirstResult($offset)->setMaxResults($limit);
$query->orderBy('c.uri');
$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 $id
* @return string
* @throws \InvalidArgumentException
*/
public function getCardUri($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 exist: ' . $id);
}
return $uri['uri'];
}
/**
* return contact with the given URI
*
* @param int $addressBookId
* @param string $uri
* @return array
*/
public function getContact($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 $uri
* @return int
* @throws \InvalidArgumentException
*/
protected function getCardId($addressBookId, $uri) {
// Try to find cardId from own cache to avoid issue with db cluster
if ($this->idCache->hasKey($addressBookId.$uri)) {
return $this->idCache->get($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 exist: ' . $uri);
}
return (int)$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, $toV2 = null) {
if ($this->principalBackend->getPrincipalPrefix() === 'principals') {
list(, $name) = \Sabre\Uri\split($principalUri);
$toV2 = $toV2 === null ? !$this->legacyMode : $toV2;
if ($toV2) {
return "principals/users/$name";
}
return "principals/$name";
}
return $principalUri;
}
}