mirror of
https://github.com/owncloudarchive/contacts.git
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412 lines
12 KiB
PHP
412 lines
12 KiB
PHP
<?php
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/**
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* ownCloud - ownCloud users backend for Contacts
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*
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* @author Tobia De Koninck
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* @copyright 2014 Tobia De Koninck (tobia@ledfan.be)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\Contacts\Backend;
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use OCA\Contacts\Contact,
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OCA\Contacts\VObject\VCard,
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OCA\Contacts\Utils\Properties,
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Sabre\VObject\Reader,
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OCA\Contacts\Addressbook,
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OCA\Contacts\LocalUsersAddressbookProvider;
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/**
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* Contact backend for storing all the ownCloud users in this installation.
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* Every user has *1* personal addressbook. The id of this addresbook is the
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* userid of the owner.
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*/
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class LocalUsers extends AbstractBackend {
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public $name = 'localusers';
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/**
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* The table that holds the address books.
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* For every user there is *1* addressbook.
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* @var string
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*/
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private $addressBooksTableName = '*PREFIX*contacts_ocu_addressbooks';
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/**
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* The table that holds the contacts.
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* @var string
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*/
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private $cardsTableName = '*PREFIX*contacts_ocu_cards';
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/**
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* The table that holds the properties of the contacts.
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* This is used to provice a search function.
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* @var string
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*/
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private $indexTableName = '*PREFIX*contacts_ocu_cards_properties';
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/**
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* All possible properties which can be stored in the $indexTableName.
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* @var string
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*/
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private $indexProperties = array(
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'BDAY', 'UID', 'N', 'FN', 'TITLE', 'ROLE', 'NOTE', 'NICKNAME',
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'ORG', 'CATEGORIES', 'EMAIL', 'TEL', 'IMPP', 'ADR', 'URL', 'GEO');
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/**
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* language object
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* @var OC_L10N
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*/
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public static $l10n;
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/**
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* Defaults object
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* @var OC_Defaults
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*/
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public static $defaults;
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public function __construct($userid){
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self::$l10n = \OCP\Util::getL10N('contacts');
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self::$defaults = new \OCP\Defaults();
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$this->userid = $userid ? $userid : \OCP\User::getUser();
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}
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/**
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* {@inheritdoc}
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*/
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public function getAddressBooksForUser(array $options = array()) {
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return array($this->getAddressBook($this->userid));
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}
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/**
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* {@inheritdoc}
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* Only 1 addressbook for every user
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*/
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public function getAddressBook($addressBookId, array $options = array()) {
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$addressbook = array(
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"id" => $addressBookId,
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"displayname" => self::$l10n->t('On this') . self::$defaults->getName(),
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"description" => self::$l10n->t('On this') . self::$defaults->getName(),
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"ctag" => time(),
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"permissions" => \OCP\PERMISSION_READ,
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"backend" => $this->name,
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"active" => 1
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);
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return $addressbook;
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}
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/**
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* {@inheritdoc}
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* There are as many contacts in this addressbook as in this ownCloud installation
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*/
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public function getContacts($addressbookid, array $options = array()){
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$this->updateDatabase();
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$contacts = array();
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try{
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$sql = 'SELECT * FROM ' . $this->cardsTableName . ' WHERE addressbookid = ?';
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$query = \OCP\DB::prepare($sql);
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$result = $query->execute(array($this->userid));
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if (\OCP\DB::isError($result)) {
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\OCP\Util::writeLog('contacts', __METHOD__. 'DB error: '
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. \OC_DB::getErrorMessage($result), \OCP\Util::ERROR);
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return true;
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} else {
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while($row = $result->fetchRow()){
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$row['permissions'] = \OCP\PERMISSION_READ | \OCP\PERMISSION_UPDATE;
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$contacts[] = $row;
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}
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}
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return $contacts;
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} catch(\Exception $e) {
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\OCP\Util::writeLog('contacts', __METHOD__.' exception: '
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. $e->getMessage(), \OCP\Util::ERROR);
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return array();
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}
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}
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/**
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* {@inheritdoc}
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* If your username is "admin" and you want to retrieve your own contact
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* the params would be: $addressbookid = 'admin'; $id = 'admin';
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* If your username is 'foo' and you want to retrieve the contact with
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* ownCloud username 'bar' the params would be: $addressbookid = 'foo'; $id = 'bar';
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*/
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public function getContact($addressbookid, $id, array $options = array()){
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try{
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$sql = 'SELECT * FROM ' . $this->cardsTableName . ' WHERE addressbookid = ? AND id = ?';
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$query = \OCP\DB::prepare($sql);
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$result = $query->execute(array($this->userid, $id));
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if (\OCP\DB::isError($result)) {
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\OCP\Util::writeLog('contacts', __METHOD__. 'DB error: '
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. \OC_DB::getErrorMessage($result), \OCP\Util::ERROR);
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return array();
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} else {
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$row = $result->fetchRow();
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$row['permissions'] = \OCP\PERMISSION_READ | \OCP\PERMISSION_UPDATE;
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return $row;
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}
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} catch(\Exception $e) {
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\OCP\Util::writeLog('contacts', __METHOD__.' exception: '
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. $e->getMessage(), \OCP\Util::ERROR);
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return array();
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}
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}
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/**
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* Help function to add contacts to an addressbook.
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* This only happens when an admin creates new users
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* @param array $contacts array with userid of ownCloud users
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* @param string $addressBookId
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* @return bool
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*/
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private function addContacts($contacts, $addressbookid){
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foreach($contacts as $user){
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try{
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$sql = 'INSERT INTO ' . $this->cardsTableName . ' ('
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. 'id, '
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. 'addressbookid, '
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. 'fullname, '
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. 'carddata, '
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. 'lastmodified'
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. ') VALUES ('
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. '?,'
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. '?,'
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. '?,'
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. '?,'
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. '?'
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. ')';
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$query = \OCP\DB::prepare($sql);
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$vcard = \Sabre\VObject\Component::create('VCARD');
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$vcard->FN = \OCP\User::getDisplayName($user);
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$now = new \DateTime('now');
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$vcard->REV = $now->format(\DateTime::W3C);
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$appinfo = \OCP\App::getAppInfo('contacts');
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$appversion = \OCP\App::getAppVersion('contacts');
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$prodid = '-//ownCloud//NONSGML ' . $appinfo['name'] . ' ' . $appversion.'//EN';
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$vcard->PRODID = $prodid;
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$vcard->add('IMPP', 'x-owncloud-handle:' . $user, array("X-SERVICE-TYPE" => array("owncloud-handle")));
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$result = $query->execute(array($user, $this->userid, \OCP\User::getDisplayName($user), $vcard->serialize(), time()));
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if (\OCP\DB::isError($result)) {
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\OCP\Util::writeLog('contacts', __METHOD__. 'DB error: '
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. \OC_DB::getErrorMessage($result), \OCP\Util::ERROR);
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return false;
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} else {
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// All done
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// now update the index table with all the properties
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$this->updateIndex($user, $vcard);
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return true;
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}
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} catch(\Exception $e) {
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\OCP\Util::writeLog('contacts', __METHOD__.' exception: '
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. $e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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}
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}
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/**
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* Help function to remove contacts from an addressbook.
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* This only happens when an admin remove an ownCloud user
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* @param array $contacts array with userid of ownCloud users
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* @param string $addressBookId
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* @return bool
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*/
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private function removeContacts($contacts, $addressbookid){
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foreach($contacts as $user){
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try{
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$sql = 'DELETE FROM ' . $this->cardsTableName . ' WHERE addressbookid = ? AND id = ?';
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$query = \OCP\DB::prepare($sql);
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$result = $query->execute(array($this->userid, $user));
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if (\OCP\DB::isError($result)) {
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\OCP\Util::writeLog('contacts', __METHOD__. 'DB error: '
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. \OC_DB::getErrorMessage($result), \OCP\Util::ERROR);
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return false;
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} else {
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return true;
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}
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} catch(\Exception $e) {
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\OCP\Util::writeLog('contacts', __METHOD__.' exception: '
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. $e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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}
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}
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/**
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* @inheritdoc
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*/
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public function updateContact($addressBookId, $id, $contact, array $options = array()) {
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$updateRevision = true;
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$isCardDAV = false;
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if (!$contact instanceof VCard) {
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try {
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$contact = Reader::read($contact);
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} catch(\Exception $e) {
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\OCP\Util::writeLog('contacts', __METHOD__.', exception: '.$e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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}
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if ($updateRevision || !isset($contact->REV)) {
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$now = new \DateTime;
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$contact->REV = $now->format(\DateTime::W3C);
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}
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try{
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$sql = 'UPDATE ' . $this->cardsTableName
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. ' SET '
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. '`fullname` = ?, '
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. '`carddata` = ?, '
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. '`lastmodified` = ? '
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. ' WHERE '
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. '`id` = ? '
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. 'AND `addressbookid` = ? ';
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$query = \OCP\DB::prepare($sql);
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$result = $query->execute(array($contact->FN, $contact->serialize(), time(), $id, $this->userid));
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if (\OCP\DB::isError($result)) {
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\OCP\Util::writeLog('contacts', __METHOD__. 'DB error: '
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. \OC_DB::getErrorMessage($result), \OCP\Util::ERROR);
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return false;
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} else {
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// All done
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// now update the indexes in the DB
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$this->updateIndex($id, $contact);
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return true;
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}
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} catch(\Exception $e) {
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\OCP\Util::writeLog('contacts', __METHOD__.' exception: '
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. $e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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}
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/**
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* This is a hack so backends can have different search functions.
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* @return \OCA\Contacts\LocalUsersAddressbookProvider
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*/
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public function getSearchProvider(){
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return new LocalUsersAddressbookProvider($this);
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}
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/**
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* Updates the index table. All properties of a contact are stored in it.
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* Needed for the search function.
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* @param type $contactId
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* @param type $vcard
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* @return boolean
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*/
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private function updateIndex($contactId, $vcard){
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// Utils\Properties::updateIndex($parameters['id'], $contact);
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$this->purgeIndex($contactId);
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$updatestmt = \OCP\DB::prepare('INSERT INTO `' . $this->indexTableName . '` '
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. '(`addressbookid`, `contactid`,`name`,`value`,`preferred`) VALUES(?,?,?,?,?)');
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// Insert all properties in the table
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foreach($vcard->children as $property) {
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if(!in_array($property->name, $this->indexProperties)) {
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continue;
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}
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$preferred = 0;
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foreach($property->parameters as $parameter) {
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if($parameter->name == 'TYPE' && strtoupper($parameter->value) == 'PREF') {
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$preferred = 1;
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break;
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}
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}
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try {
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$result = $updatestmt->execute(
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array(
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\OCP\User::getUser(),
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$contactId,
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$property->name,
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substr($property->value, 0, 254),
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$preferred,
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)
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);
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if (\OCP\DB::isError($result)) {
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\OCP\Util::writeLog('contacts', __METHOD__. 'DB error: '
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. \OC_DB::getErrorMessage($result), \OCP\Util::ERROR);
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return false;
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}
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} catch(\Exception $e) {
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\OCP\Util::writeLog('contacts', __METHOD__.', exception: '.$e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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}
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}
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/**
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* Remove all indexes from the table.
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* This is always called before adding new properties.
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* @param type $contactId
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* @param type $vcard
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* @return boolean
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*/
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private function purgeIndex($id){
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// Remove all indexes from the table
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try {
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$query = \OCP\DB::prepare('DELETE FROM `' . $this->indexTableName . '`'
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. ' WHERE `contactid` = ?');
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$query->execute(array($id));
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} catch(\Exception $e) {
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return false;
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}
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}
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public function updateDatabase(){
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$sql = 'SELECT * FROM ' . $this->cardsTableName . ' WHERE addressbookid = ?';
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$query = \OCP\DB::prepare($sql);
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$result = $query->execute(array($this->userid));
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if (\OCP\DB::isError($result)) {
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\OCP\Util::writeLog('contacts', __METHOD__. 'DB error: '
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. \OC_DB::getErrorMessage($result), \OCP\Util::ERROR);
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return true;
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} else {
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$contactsId = array();
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while($row = $result->fetchRow()){
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$contactsId[] = $row['id'];
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}
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$users = \OCP\User::getUsers();
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$add = array_diff($users, $contactsId);
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$remove = array_diff($contactsId, $users);
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if(count($add) > 0){
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$this->addContacts($add, $addressbookid);
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$recall = true;
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}
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if(count($remove) > 0){
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$this->removeContacts($remove, $addressbookid);
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$recall = true;
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}
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return true;
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}
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}
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}
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