friendica-addons/dav/common/dav_carddav_backend_std.inc.php

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2012-06-03 20:19:28 +02:00
<?php
/**
* PDO CardDAV backend
*
* This CardDAV backend uses PDO to store addressbooks
*
* @package Sabre
* @subpackage CardDAV
* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
* @author Evert Pot (http://www.rooftopsolutions.nl/)
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
class Sabre_CardDAV_Backend_Std extends Sabre_CardDAV_Backend_Abstract
{
/**
* @var null|Sabre_CardDAV_Backend_Std
*/
private static $instance = null;
/**
* @static
* @return Sabre_CardDAV_Backend_Std
*/
public static function getInstance() {
if (self::$instance == null) {
self::$instance = new Sabre_CardDAV_Backend_Std();
}
return self::$instance;
}
2012-06-03 20:19:28 +02:00
/**
* Sets up the object
*/
public function __construct()
{
}
/**
* Returns the list of addressbooks for a specific user.
*
* @param string $principalUri
* @return array
*/
public function getAddressBooksForUser($principalUri)
{
$uid = dav_compat_principal2uid($principalUri);
$addressBooks = array();
$books = q("SELECT id, uri, displayname, principaluri, description, ctag FROM %s%saddressbooks_phone WHERE principaluri = '%s'", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, dbesc($principalUri));
if (count($books) == 0) {
q("INSERT INTO %s%saddressbooks_phone (uid, principaluri, displayname, uri, description, ctag) VALUES (%d, '%s', '%s', '%s', '%s', 1)",
CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $uid, dbesc($principalUri), 'Other', 'phone', 'Manually added contacts'
);
$books = q("SELECT id, uri, displayname, principaluri, description, ctag FROM %s%saddressbooks_phone WHERE principaluri = '%s'", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, dbesc($principalUri));
}
foreach ($books as $row) {
$addressBooks[] = array(
'id' => CARDDAV_NAMESPACE_PHONECONTACTS . "-" . $row['id'],
'uri' => $row['uri'],
'principaluri' => $row['principaluri'],
'{DAV:}displayname' => $row['displayname'],
'{' . Sabre_CardDAV_Plugin::NS_CARDDAV . '}addressbook-description' => $row['description'],
'{http://calendarserver.org/ns/}getctag' => $row['ctag'],
'{' . Sabre_CardDAV_Plugin::NS_CARDDAV . '}supported-address-data' =>
new Sabre_CardDAV_Property_SupportedAddressData(),
);
}
return $addressBooks;
}
/**
* Updates an addressbook's properties
*
* See Sabre_DAV_IProperties for a description of the mutations array, as
* well as the return value.
*
* @param mixed $addressBookId
* @param array $mutations
* @throws Sabre_DAV_Exception_Forbidden
* @see Sabre_DAV_IProperties::updateProperties
* @return bool|array
*/
public function updateAddressBook($addressBookId, array $mutations)
{
$x = explode("-", $addressBookId);
$updates = array();
foreach ($mutations as $property=> $newValue) {
switch ($property) {
case '{DAV:}displayname' :
$updates['displayname'] = $newValue;
break;
case '{' . Sabre_CardDAV_Plugin::NS_CARDDAV . '}addressbook-description' :
$updates['description'] = $newValue;
break;
default :
// If any unsupported values were being updated, we must
// let the entire request fail.
return false;
}
}
// No values are being updated?
if (!$updates) {
return false;
}
$query = 'UPDATE ' . CALDAV_SQL_DB . CALDAV_SQL_PREFIX . 'addressbooks_phone SET ctag = ctag + 1 ';
foreach ($updates as $key=> $value) {
$query .= ', `' . dbesc($key) . '` = ' . dbesc($key) . ' ';
}
$query .= ' WHERE id = ' . IntVal($x[1]);
q($query);
return true;
}
/**
* Creates a new address book
*
* @param string $principalUri
* @param string $url Just the 'basename' of the url.
* @param array $properties
* @throws Sabre_DAV_Exception_BadRequest
* @return void
*/
public function createAddressBook($principalUri, $url, array $properties)
{
$values = array(
'displayname' => null,
'description' => null,
'principaluri' => $principalUri,
'uri' => $url,
);
foreach ($properties as $property=> $newValue) {
switch ($property) {
case '{DAV:}displayname' :
$values['displayname'] = $newValue;
break;
case '{' . Sabre_CardDAV_Plugin::NS_CARDDAV . '}addressbook-description' :
$values['description'] = $newValue;
break;
default :
throw new Sabre_DAV_Exception_BadRequest('Unknown property: ' . $property);
}
}
q("INSERT INTO %s%saddressbooks_phone (uri, displayname, description, principaluri, ctag) VALUES ('%s', '%s', '%s', '%s', 1)",
CALDAV_SQL_DB, CALDAV_SQL_PREFIX, dbesc($values["uri"]), dbesc($values["displayname"]), dbesc($values["description"]), dbesc($values["principaluri"])
);
}
/**
* Deletes an entire addressbook and all its contents
*
* @param int $addressBookId
* @throws Sabre_DAV_Exception_Forbidden
* @return void
*/
public function deleteAddressBook($addressBookId)
{
$x = explode("-", $addressBookId);
q("DELETE FROM %s%scards WHERE namespace = %d AND namespace_id = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[0]), IntVal($x[1]));
q("DELETE FROM %s%saddressbooks_phone WHERE id = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[1]));
}
/**
* 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 string $addressbookId
* @return array
*/
public function getCards($addressbookId)
{
$x = explode("-", $addressbookId);
$r = q('SELECT id, carddata, uri, lastmodified, etag, size, contact FROM %s%scards WHERE namespace = %d AND namespace_id = %d AND manually_deleted = 0',
CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[0]), IntVal($x[1])
);
if ($r) return $r;
return array();
}
/**
* Returns a specfic card.
*
* The same set of properties must be returned as with getCards. The only
* exception is that 'carddata' is absolutely required.
*
* @param mixed $addressBookId
* @param string $cardUri
* @throws Sabre_DAV_Exception_NotFound
* @return array
*/
public function getCard($addressBookId, $cardUri)
{
$x = explode("-", $addressBookId);
$x = q("SELECT id, carddata, uri, lastmodified, etag, size FROM %s%scards WHERE namespace = %d AND namespace_id = %d AND uri = '%s'",
CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[0]), IntVal($x[1]), dbesc($cardUri));
if (count($x) == 0) throw new Sabre_DAV_Exception_NotFound();
return $x[0];
}
/**
* 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 string $addressBookId
* @param string $cardUri
* @param string $cardData
* @throws Sabre_DAV_Exception_Forbidden
* @return string
*/
public function createCard($addressBookId, $cardUri, $cardData)
{
$x = explode("-", $addressBookId);
$etag = md5($cardData);
q("INSERT INTO %s%scards (carddata, uri, lastmodified, namespace, namespace_id, etag, size) VALUES ('%s', '%s', %d, %d, '%s', %d)",
CALDAV_SQL_DB, CALDAV_SQL_PREFIX, dbesc($cardData), dbesc($cardUri), time(), IntVal($x[0]), IntVal($x[1]), $etag, strlen($cardData)
);
q('UPDATE %s%saddressbooks_phone SET ctag = ctag + 1 WHERE id = %d', CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[1]));
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 string $addressBookId
* @param string $cardUri
* @param string $cardData
* @throws Sabre_DAV_Exception_Forbidden
* @return string|null
*/
public function updateCard($addressBookId, $cardUri, $cardData)
{
$x = explode("-", $addressBookId);
$etag = md5($cardData);
q("UPDATE %s%scards SET carddata = '%s', lastmodified = %d, etag = '%s', size = %d, manually_edited = 1 WHERE uri = '%s' AND namespace = %d AND namespace_id =%d",
CALDAV_SQL_DB, CALDAV_SQL_PREFIX, dbesc($cardData), time(), $etag, strlen($cardData), dbesc($cardUri), IntVal($x[10]), IntVal($x[1])
);
q('UPDATE %s%saddressbooks_phone SET ctag = ctag + 1 WHERE id = %d', CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[1]));
return '"' . $etag . '"';
}
/**
* Deletes a card
*
* @param string $addressBookId
* @param string $cardUri
* @throws Sabre_DAV_Exception_Forbidden
* @return bool
*/
public function deleteCard($addressBookId, $cardUri)
{
$x = explode("-", $addressBookId);
q("DELETE FROM %s%scards WHERE namespace = %d AND namespace_id = %d AND uri = '%s'", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[0]), IntVal($x[1]), dbesc($cardUri));
q('UPDATE %s%saddressbooks_phone SET ctag = ctag + 1 WHERE id = %d', CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($x[1]));
return true;
}
}