mirror of
https://github.com/owncloudarchive/contacts.git
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653 lines
19 KiB
PHP
653 lines
19 KiB
PHP
<?php
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/**
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* ownCloud - Base class for Contacts backends
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*
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* @author Nicolas Mora
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* @copyright 2013 Nicolas Mora (mail@babelouest.org)
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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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use OCA\Contacts\VObject\VCard;
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use Sabre\VObject\Reader;
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use OCA\Contacts\Connector\LdapConnector;
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/**
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* Subclass this class for Cantacts backends
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*/
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class Ldap extends AbstractBackend {
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/**
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* The name of the backend.
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* @var string
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*/
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public $name='ldap';
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static private $preparedQueries = array();
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private $ldapConnection = null;
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private $connector = null;
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/**
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* @brief validates and sets the ldap parameters
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* @param $ldapParams array containing the parameters
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* return boolean
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*/
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public function setLdapParams($aid) {
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$tmp = $this->getPreferences($aid);
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if ($tmp != false) {
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$this->ldapParams = $tmp;
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$this->connector = new LdapConnector($this->ldapParams['ldap_vcard_connector']);
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return true;
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} else {
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return false;
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}
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}
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/**
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* @brief creates the ldap connection, then binds it according to the parameters previously given
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* @return boolean connexion status
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*/
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public function ldapCreateAndBindConnection() {
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if (!self::ldapIsConnected() && $this->ldapParams != null) {
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// ldap connect
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$this->ldapConnection = ldap_connect($this->ldapParams['ldapurl']);
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ldap_set_option($this->ldapConnection, LDAP_OPT_REFERRALS, 0);
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ldap_set_option($this->ldapConnection, LDAP_OPT_PROTOCOL_VERSION, 3);
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if ($this->ldapConnection) {
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// ldap bind
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if ($this->ldapParams['ldapanonymous'] == 1) {
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$ldapbind = ldap_bind($this->ldapConnection);
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} else {
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$ldapbind = ldap_bind($this->ldapConnection, $this->ldapParams['ldapuser'], base64_decode($this->ldapParams['ldappass']));
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}
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return $ldapbind;
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}
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return false;
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}
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return self::ldapIsConnected();
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}
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/**
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* @brief close the current connection
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* @return boolean closing success
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*/
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public function ldapCloseConnection() {
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if (self::ldapIsConnected()) {
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ldap_unbind($this->ldapConnection);
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$this->ldapConnection = null;
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return true;
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}
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}
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/**
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*
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*/
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public function ldapIsConnected() {
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return ($this->ldapConnection != null);
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}
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/**
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* @brief search a list in ldap server
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* @param $ldapbasedn the base dn
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* @param $bindsearch the search filter
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* @param $entries the ldap entries to reach
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* @param $start the starting point
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* @param $num the number of entries to return
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* @return array|false
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*/
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public function ldapFindMultiple($ldapbasedn, $bindsearch, $entriesName, $start=null, $num=null) {
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if (($entriesName != null) && self::ldapCreateAndBindConnection() && $ldapbasedn != null && $bindsearch != null) {
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if ($start==null) {
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$start=0;
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}
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if ($num==null) {
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$num=PHP_INT_MAX;
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}
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$pageSize = isset($this->ldapParams['ldappagesize'])?$this->ldapParams['ldappagesize']:"20";
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$cookie = '';
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$entries = array();
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$cpt=0;
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\OC_Log::write('contacts_ldap', __METHOD__." - search what $ldapbasedn, $bindsearch $pageSize", \OC_Log::DEBUG);
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do {
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ldap_control_paged_result($this->ldapConnection, $pageSize, true, $cookie);
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$ldap_results = ldap_search ($this->ldapConnection, $ldapbasedn, $bindsearch, $entriesName);
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$LdapEntries = ldap_get_entries ($this->ldapConnection, $ldap_results);
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for ($i=0; $i<$LdapEntries['count']; $i++) {
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$entries[] = $LdapEntries[$i];
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}
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ldap_control_paged_result_response($this->ldapConnection, $ldap_results, $cookie);
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$cpt++;
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} while($cookie !== null && $cookie != '' && $cpt < 10);
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$entries['count'] = count($entries);
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return $entries;
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self::ldapCloseConnection();
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}
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return false;
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}
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/**
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* @brief search one contact in ldap server
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* @param $ldapbasedn the base dn
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* @param $bindsearch the search filter
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* @param $entries the ldap entries to reach
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* @param $start the starting point
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* @param $num the number of entries to return
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* @return array|false
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*/
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public function ldapFindOne($ldapbasedn, $bindsearch, $entries, $start=null, $num=null) {
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if (($entries != null) && self::ldapCreateAndBindConnection() && $ldapbasedn != null && $bindsearch != null) {
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if ($start==null) {
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$start=0;
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}
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if ($num==null) {
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$num=PHP_INT_MAX;
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}
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\OC_Log::write('contacts_ldap', __METHOD__." - search what $ldapbasedn, $bindsearch ", \OC_Log::DEBUG);
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$ldap_results = @ldap_search ($this->ldapConnection, $ldapbasedn, $bindsearch, $entries);
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if ($ldap_results) {
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$entries = ldap_get_entries ($this->ldapConnection, $ldap_results);
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if ($entries['count'] > 0) {
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return $entries[0];
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} else {
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return false;
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}
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}
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self::ldapCloseConnection();
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}
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return false;
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}
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/**
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* @brief adds a new ldap entry
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* @param $ldapDN the new DN (must be unique)
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* @param $ldapValues the ldif values
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* @return boolean insert status
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*/
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public function ldapAdd($ldapDN, $ldapValues) {
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if (self::ldapIsConnected()) {
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return @ldap_add($this->ldapConnection, $ldapDN, $ldapValues);
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}
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return false;
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}
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/**
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* @brief modify a ldap entry
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* @param $ldapDN the DN (must exists)
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* @param $ldapValues the ldif values
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* @return boolean modify status
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*/
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public function ldapUpdate($ldapDN, $ldapValues) {
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if (self::ldapIsConnected()) {
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$result = @ldap_modify($this->ldapConnection, $ldapDN, $ldapValues);
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if (!$result) {
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self::ldapDelete($ldapDN);
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return self::ldapAdd($ldapDN, $ldapValues);
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}
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return true;
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}
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return false;
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}
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/**
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* @brief delete a ldap entry
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* @param $ldapDN the DN (must exists)
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* @return boolean delete status
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*/
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public function ldapDelete($ldapDN) {
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if (self::ldapIsConnected()) {
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ldap_delete($this->ldapConnection, $ldapDN);
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return true;
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}
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return false;
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}
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/**
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* Sets up the backend
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*
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* @param string $cardsTableName
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*/
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public function __construct(
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$userid = null,
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$addressBooksTableName = '*PREFIX*contacts_ldap_addressbooks'
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) {
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$this->userid = $userid ? $userid : \OCP\User::getUser();
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$this->addressbooks = array();
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}
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/**
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* Returns the list of active addressbooks for a specific user.
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*
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* @param string $userid
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* @return array
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*/
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public function getAddressBooksForUser(array $options = array()) {
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try {
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if(!isset(self::$preparedQueries['addressbooksforuser'])) {
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$sql = 'SELECT `configkey` from *PREFIX*preferences where `configkey` like ?';
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$configkeyPrefix = $this->name . "_%_uri";
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self::$preparedQueries['addressbooksforuser'] = \OCP\DB::prepare($sql);
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$result = self::$preparedQueries['addressbooksforuser']->execute(array($configkeyPrefix));
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if (\OC_DB::isError($result)) {
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\OCP\Util::write('contacts', __METHOD__. 'DB error: ' . \OC_DB::getErrorMessage($result), \OCP\Util::ERROR);
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return $this->addressbooks;
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}
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$this->addressbooks = array();
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while($row = $result->fetchRow()) {
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$id = str_replace("_uri", "", str_replace($this->name."_", "", $row['configkey']));
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$this->addressbooks[] = self::getAddressBook($id);
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}
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return $this->addressbooks;
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}
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} catch(\Exception $e) {
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\OC_Log::write('contacts', __METHOD__.' exception: ' . $e->getMessage(), \OCP\Util::ERROR);
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return $this->addressbooks;
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}
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}
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/**
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* Get an addressbook's properties
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*
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* The returned array MUST contain 'displayname' and an integer 'permissions'
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* value using there ownCloud CRUDS constants (which MUST be at least
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* \OCP\PERMISSION_READ).
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* Currently the only ones supported are 'displayname' and
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* 'description', but backends can implement additional.
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*
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* @param string $addressbookid
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* @return array $properties
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*/
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public function getAddressBook($addressbookid, array $options = array()) {
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//\OC_Log::write('contacts', __METHOD__.' id: '
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// . $addressbookid, \OC_Log::DEBUG);
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if($this->addressbooks && isset($this->addressbooks[$addressbookid])) {
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//print(__METHOD__ . ' ' . __LINE__ .' addressBookInfo: ' . print_r($this->addressbooks[$addressbookid], true));
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return $this->addressbooks[$addressbookid];
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}
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// Hmm, not found. Lets query the db.
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$preferences = self::getPreferences($addressbookid);
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if ($preferences != false) {
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$current = array();
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$current['id'] = $addressbookid;
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$current['displayname'] = $preferences['displayname'];
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$current['description'] = $preferences['description'];
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$current['owner'] = $this->userid;
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$current['uri'] = $preferences['uri'];
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$current['permissions'] = \OCP\PERMISSION_ALL;
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$current['lastmodified'] = self::lastModifiedAddressBook($addressbookid);
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return $current;
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} else {
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return array();
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}
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}
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/**
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* Test if the address book exists
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* @return bool
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*/
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public function hasAddressBook($addressbookid) {
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if($this->addressbooks && isset($this->addressbooks[$addressbookid])) {
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return true;
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}
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return count($this->getAddressBook($addressbookid)) > 0;
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}
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/**
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* Updates an addressbook's properties
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*
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* The $properties array contains the changes to be made.
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*
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* Currently the only ones supported are 'displayname' and
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* 'description', but backends can implement additional.
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*
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* @param string $addressbookid
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* @param array $properties
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* @return bool
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*/
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public function updateAddressBook($addressbookid, array $properties, array $options = array()) {
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// TODO: use backend settings
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return true;
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}
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/**
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* Creates a new address book
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*
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* Currently the only ones supported are 'displayname' and
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* 'description', but backends can implement additional.
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* 'displayname' MUST be present.
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*
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* @param array $properties
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* @return string|false The ID if the newly created AddressBook or false on error.
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*/
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public function createAddressBook(array $properties, array $options = array()) {
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// TODO: use backend settings
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}
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/**
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* Deletes an entire addressbook and all its contents
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*
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* @param string $addressbookid
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* @return bool
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*/
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public function deleteAddressBook($addressbookid, array $options = array()) {
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$addressbook = self::getAddressBook($addressbookid);
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// TODO: use backend settings
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return true;
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}
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/**
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* @brief Get the last modification time for an address book.
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*
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* Must return a UNIX time stamp or null if the backend
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* doesn't support it.
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*
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* TODO: Implement default methods get/set for backends that
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* don't support.
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* @param string $addressbookid
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* @returns int | null
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*/
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public function lastModifiedAddressBook($addressbookid, array $options = array()) {
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return null;
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}
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/**
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* Returns all contacts for a specific addressbook id.
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*
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* The returned array MUST contain the unique ID of the contact mapped to 'id', a
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* displayname mapped to 'displayname' and an integer 'permissions' value using there
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* ownCloud CRUDS constants (which MUST be at least \OCP\PERMISSION_READ), and SHOULD
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* contain the properties of the contact formatted as a vCard 3.0
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* https://tools.ietf.org/html/rfc2426 mapped to 'carddata' or as an
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* \OCA\Contacts\VObject\VCard object mapped to 'vcard'.
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*
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* Example:
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*
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* array(
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* 0 => array('id' => '4e111fef5df', 'permissions' => 1, 'displayname' => 'John Q. Public', 'vcard' => $object),
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* 1 => array('id' => 'bbcca2d1535', 'permissions' => 32, 'displayname' => 'Jane Doe', 'carddata' => $data)
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* );
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*
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* For contacts that contain loads of data, the 'carddata' or 'vcard' MAY be omitted
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* as it can be fetched later.
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*
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* TODO: Some sort of ETag?
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*
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* @param string $addressbookid
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* @param bool $omitdata Don't fetch the entire carddata or vcard.
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* @return array
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*/
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public function getContacts($addressbookid, array $options = array()) {
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$cards = array();
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$vcards = array();
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if(is_array($addressbookid) && count($addressbookid)) {
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$id_array = $addressbookid;
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} elseif(is_int($addressbookid) || is_string($addressbookid)) {
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$id_array = array($addressbookid);
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} else {
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\OC_Log::write('contacts_ldap', __METHOD__.'. Addressbook id(s) argument is empty: '. print_r($id, true), \OC_Log::DEBUG);
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return false;
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}
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foreach ($id_array as $one_id) {
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if (self::setLdapParams($one_id)) {
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//OCP\Util::writeLog('contacts_ldap', __METHOD__.' Connector OK', \OC_Log::DEBUG);
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$info = self::ldapFindMultiple(
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$this->ldapParams['ldapbasednsearch'],
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'(objectclass=person)',
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$this->connector->getLdapEntries(),
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isset($options['offset']) ? $options['offset'] : null,
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isset($options['limit']) ? $options['limit'] : null
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);
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for ($i=0; $i<$info["count"]; $i++) {
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$a_card = $this->connector->ldapToVCard($info[$i]);
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$cards[] = self::getSabreFormatCard($addressbookid, $a_card);
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}
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//OCP\Util::writeLog('contacts_ldap', __METHOD__.' counts '.count($cards), \OC_Log::DEBUG);
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}
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}
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return $cards;
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}
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/**
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* Returns a specfic contact.
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*
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* Same as getContacts except that either 'carddata' or 'vcard' is mandatory.
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*
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* @param string $addressbookid
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* @param mixed $id
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* @return array|bool
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*/
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public function getContact($addressbookid, $ids, array $options = array()) {
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if (!is_array($ids)) {
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$a_ids = array($ids);
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} else {
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$a_ids = $ids;
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}
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$cards = array();
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$toReturn = false;
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self::setLdapParams($addressbookid);
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if (self::setLdapParams($addressbookid)) {
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foreach ($a_ids as $id) {
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$cid = str_replace(".vcf", "", $id);
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if (ldap_explode_dn(base64_decode($cid),0) == false) {
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$ldifEntry = $this->connector->getLdifEntry("X-URI", null);
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$filter = "";
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if (isset($ldifEntry[0]['unassigned'])) {
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$filter = $this->connector->getUnassignedVCardProperty() . "=X-URI:" . $cid ."*";
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} else {
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$filter = $ldifEntry[0]['name'] . "=" . $cid ."*";
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}
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$card = self::ldapFindOne($this->ldapParams['ldapbasednsearch'],
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$filter,
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$this->connector->getLdapEntries());
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} else {
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$card = self::ldapFindOne(base64_decode($cid),
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'objectClass=*',
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$this->connector->getLdapEntries());
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}
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}
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if ($card != null) {
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return self::getSabreFormatCard($addressbookid, $this->connector->ldapToVCard($card));
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}
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}
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return false;
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}
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/**
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* @brief construct a vcard in Sabre format
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* @param integer $aid Addressbook Id
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* @param OC_VObject $card VCard
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* @return array
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*/
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public static function getSabreFormatCard($aid, $vcard) {
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/*
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* array return format :
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* array( 'id' => 'bbcca2d1535',
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* 'permissions' => 32,
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* 'displayname' => 'Jane Doe',
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* 'carddata' => $data)
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*/
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$FN = (string)$vcard->FN;
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$UID = (string)$vcard->UID;
|
|
$REV = (string)$vcard->REV;
|
|
if (isset($vcard->{'X-URI'})) {
|
|
$URI = (string)$vcard->{'X-URI'};
|
|
} else if (isset($vcard->UID)) {
|
|
$URI = (string)$vcard->UID.'.vcf';
|
|
} else {
|
|
$URI = (string)$vcard->{'X-LDAP-DN'};
|
|
}
|
|
return array('id' => $UID,
|
|
'permissions' => \OCP\PERMISSION_READ,
|
|
'displayname' => $FN,
|
|
'carddata' => $vcard->serialize(),
|
|
'uri' => $URI,
|
|
'lastmodified' => $REV);
|
|
}
|
|
|
|
/**
|
|
* Creates a new contact
|
|
*
|
|
* @param string $addressbookid
|
|
* @param VCard|string $carddata
|
|
* @return string|bool The identifier for the new contact or false on error.
|
|
*/
|
|
public function createContact($addressbookid, $contact, array $options = array()) {
|
|
|
|
$uri = isset($options['uri']) ? $options['uri'] : null;
|
|
|
|
if(!$contact instanceof VCard) {
|
|
try {
|
|
$contact = Reader::read($contact);
|
|
} catch(\Exception $e) {
|
|
\OCP\Util::writeLog('contacts', __METHOD__.', exception: '.$e->getMessage(), \OCP\Util::ERROR);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
try {
|
|
$contact->validate(VCard::REPAIR|VCard::UPGRADE);
|
|
} catch (\Exception $e) {
|
|
OCP\Util::writeLog('contacts', __METHOD__ . ' ' .
|
|
'Error validating vcard: ' . $e->getMessage(), \OCP\Util::ERROR);
|
|
return false;
|
|
}
|
|
|
|
self::setLdapParams($addressbookid);
|
|
|
|
self::ldapCreateAndBindConnection();
|
|
$newDN = $this->connector->getLdapId() . "=" . $contact->FN . "," . $this->ldapParams['ldapbasednmodify'];
|
|
$contact->{'X-LDAP-DN'} = base64_encode($newDN);
|
|
if ($uri!=null) {
|
|
$contact->{'X-URI'} = $uri;
|
|
}
|
|
|
|
$ldifEntries = $this->connector->VCardToLdap($contact);
|
|
|
|
// Inserts the new card
|
|
$cardId = self::ldapAdd($newDN, $ldifEntries);
|
|
if ($cardId) {
|
|
self::ldapCloseConnection();
|
|
return $contact->UID;
|
|
} else {
|
|
self::ldapCloseConnection();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Updates a contact
|
|
*
|
|
* @param string $addressbookid
|
|
* @param mixed $id
|
|
* @param string $carddata
|
|
* @return bool
|
|
*/
|
|
public function updateContact($addressbookid, $id, $carddata, array $options = array()) {
|
|
$vcard = \Sabre\VObject\Reader::read($carddata);
|
|
|
|
if (!is_array($id)) {
|
|
$a_ids = array($id);
|
|
} else {
|
|
$a_ids = $id;
|
|
}
|
|
|
|
self::setLdapParams($addressbookid);
|
|
self::ldapCreateAndBindConnection();
|
|
$ldifEntries = $this->connector->VCardToLdap($vcard);
|
|
foreach ($a_ids as $cid) {
|
|
// Never EVER modify an Ldap:dn nor a VCard:UID
|
|
if (isset($vcard->{'X-LDAP-DN'})) {
|
|
$dn = base64_decode($vcard->{'X-LDAP-DN'});
|
|
} else {
|
|
// A little bit complicated but hopefully, we won't often go into this
|
|
$tmpCard = self::getContact($addressbookid, array($cid));
|
|
$tmpVCard = \Sabre\VObject\Reader::read($tmpCard['carddata']);
|
|
$dn = base64_decode($tmpVCard->{'X-LDAP-DN'});
|
|
}
|
|
// Updates the existing card
|
|
$result = self::ldapUpdate($dn, $ldifEntries);
|
|
}
|
|
self::ldapCloseConnection();
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Deletes a contact
|
|
*
|
|
* @param string $addressbookid
|
|
* @param mixed $id
|
|
* @return bool
|
|
*/
|
|
public function deleteContact($addressbookid, $id, array $options = array()) {
|
|
self::setLdapParams($addressbookid);
|
|
self::ldapCreateAndBindConnection();
|
|
$card = self::getContact($addressbookid, array($id));
|
|
$vcard = \Sabre\VObject\Reader::read($card['carddata']);
|
|
$decodedId = base64_decode($vcard->{'X-LDAP-DN'});
|
|
// Deletes the existing card
|
|
$result = self::ldapDelete($decodedId);
|
|
self::ldapCloseConnection();
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* @brief Get the last modification time for a contact.
|
|
*
|
|
* Must return a UNIX time stamp or null if the backend
|
|
* doesn't support it.
|
|
*
|
|
* @param string $addressbookid
|
|
* @param mixed $id
|
|
* @returns int | null
|
|
*/
|
|
public function lastModifiedContact($addressbookid, $id) {
|
|
$contact = getContact($addressbookid, $id);
|
|
if ($contact != null) {
|
|
return $contact['lastmodified'];
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
}
|