nextcloud/apps/user_ldap/lib/User_Proxy.php

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<?php
/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
*
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* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
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* @author Christopher Schäpers <kondou@ts.unde.re>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin McCorkell <robin@mccorkell.me.uk>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Roger Szabo <roger.szabo@web.de>
*
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* @license AGPL-3.0
*
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* 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.
*
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* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
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* 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/>
*
*/
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namespace OCA\User_LDAP;
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use OCA\User_LDAP\User\User;
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use OCP\IConfig;
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class User_Proxy extends Proxy implements \OCP\IUserBackend, \OCP\UserInterface, IUserLDAP {
private $backends = array();
private $refBackend = null;
/**
* Constructor
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* @param array $serverConfigPrefixes array containing the config Prefixes
*/
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public function __construct(array $serverConfigPrefixes, ILDAPWrapper $ldap, IConfig $ocConfig) {
parent::__construct($ldap);
foreach($serverConfigPrefixes as $configPrefix) {
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$this->backends[$configPrefix] =
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new User_LDAP($this->getAccess($configPrefix), $ocConfig);
if(is_null($this->refBackend)) {
$this->refBackend = &$this->backends[$configPrefix];
}
}
}
/**
* Tries the backends one after the other until a positive result is returned from the specified method
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* @param string $uid the uid connected to the request
* @param string $method the method of the user backend that shall be called
* @param array $parameters an array of parameters to be passed
* @return mixed the result of the method or false
*/
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protected function walkBackends($uid, $method, $parameters) {
$cacheKey = $this->getUserCacheKey($uid);
foreach($this->backends as $configPrefix => $backend) {
$instance = $backend;
if(!method_exists($instance, $method)
&& method_exists($this->getAccess($configPrefix), $method)) {
$instance = $this->getAccess($configPrefix);
}
if($result = call_user_func_array(array($instance, $method), $parameters)) {
$this->writeToCache($cacheKey, $configPrefix);
return $result;
}
}
return false;
}
/**
* Asks the backend connected to the server that supposely takes care of the uid from the request.
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* @param string $uid the uid connected to the request
* @param string $method the method of the user backend that shall be called
* @param array $parameters an array of parameters to be passed
* @param mixed $passOnWhen the result matches this variable
* @return mixed the result of the method or false
*/
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protected function callOnLastSeenOn($uid, $method, $parameters, $passOnWhen) {
$cacheKey = $this->getUserCacheKey($uid);
$prefix = $this->getFromCache($cacheKey);
//in case the uid has been found in the past, try this stored connection first
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if(!is_null($prefix)) {
if(isset($this->backends[$prefix])) {
$instance = $this->backends[$prefix];
if(!method_exists($instance, $method)
&& method_exists($this->getAccess($prefix), $method)) {
$instance = $this->getAccess($prefix);
}
$result = call_user_func_array(array($instance, $method), $parameters);
if($result === $passOnWhen) {
//not found here, reset cache to null if user vanished
//because sometimes methods return false with a reason
$userExists = call_user_func_array(
array($this->backends[$prefix], 'userExists'),
array($uid)
);
if(!$userExists) {
$this->writeToCache($cacheKey, null);
}
}
return $result;
}
}
return false;
}
/**
* Check if backend implements actions
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* @param int $actions bitwise-or'ed actions
* @return boolean
*
* Returns the supported actions as int to be
* compared with OC_USER_BACKEND_CREATE_USER etc.
*/
public function implementsActions($actions) {
//it's the same across all our user backends obviously
return $this->refBackend->implementsActions($actions);
}
/**
* Backend name to be shown in user management
* @return string the name of the backend to be shown
*/
public function getBackendName() {
return $this->refBackend->getBackendName();
}
/**
* Get a list of all users
*
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* @param string $search
* @param null|int $limit
* @param null|int $offset
* @return string[] an array of all uids
*/
public function getUsers($search = '', $limit = 10, $offset = 0) {
//we do it just as the /OC_User implementation: do not play around with limit and offset but ask all backends
$users = array();
foreach($this->backends as $backend) {
$backendUsers = $backend->getUsers($search, $limit, $offset);
if (is_array($backendUsers)) {
$users = array_merge($users, $backendUsers);
}
}
return $users;
}
/**
* check if a user exists
* @param string $uid the username
* @return boolean
*/
public function userExists($uid) {
return $this->handleRequest($uid, 'userExists', array($uid));
}
LDAP User Cleanup: Port from stable7 without further adjustements LDAP User Cleanup background job for user clean up adjust user backend for clean up register background job remove dead code dependency injection make Helper non-static for proper testing check whether it is OK to run clean up job. Do not forget to pass arguments. use correct method to get the config from server methods can be private, proper indirect testing is given no automatic user deletion make limit readable for test purposes make method less complex add first tests let preferences accept limit and offset for getUsersForValue DI via constructor does not work for background jobs after detecting, now we have retrieving deleted users and their details we need this method to be public for now finalize export method, add missing getter clean up namespaces and get rid of unnecessary files helper is not static anymore cleanup according to scrutinizer add cli tool to show deleted users uses are necessary after recent namespace change also remove user from mappings table on deletion add occ command to delete users fix use statement improve output big fixes / improvements PHP doc return true in userExists early for cleaning up deleted users bump version control state and interval with one config.php setting, now ldapUserCleanupInterval. 0 will disable it. enabled by default. improve doc rename cli method to be consistent with others introduce ldapUserCleanupInterval in sample config don't show last login as unix epoche start when no login happend less log output consistent namespace for OfflineUser rename GarbageCollector to DeletedUsersIndex and move it to user subdir fix unit tests add tests for deleteUser more test adjustements Conflicts: apps/user_ldap/ajax/clearMappings.php apps/user_ldap/appinfo/app.php apps/user_ldap/lib/access.php apps/user_ldap/lib/helper.php apps/user_ldap/tests/helper.php core/register_command.php lib/private/preferences.php lib/private/user.php add ldap:check-user to check user existance on the fly Conflicts: apps/user_ldap/lib/helper.php forgotten file PHPdoc fixes, no code change and don't forget to adjust tests
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/**
* check if a user exists on LDAP
* @param string|\OCA\User_LDAP\User\User $user either the Nextcloud user
LDAP User Cleanup: Port from stable7 without further adjustements LDAP User Cleanup background job for user clean up adjust user backend for clean up register background job remove dead code dependency injection make Helper non-static for proper testing check whether it is OK to run clean up job. Do not forget to pass arguments. use correct method to get the config from server methods can be private, proper indirect testing is given no automatic user deletion make limit readable for test purposes make method less complex add first tests let preferences accept limit and offset for getUsersForValue DI via constructor does not work for background jobs after detecting, now we have retrieving deleted users and their details we need this method to be public for now finalize export method, add missing getter clean up namespaces and get rid of unnecessary files helper is not static anymore cleanup according to scrutinizer add cli tool to show deleted users uses are necessary after recent namespace change also remove user from mappings table on deletion add occ command to delete users fix use statement improve output big fixes / improvements PHP doc return true in userExists early for cleaning up deleted users bump version control state and interval with one config.php setting, now ldapUserCleanupInterval. 0 will disable it. enabled by default. improve doc rename cli method to be consistent with others introduce ldapUserCleanupInterval in sample config don't show last login as unix epoche start when no login happend less log output consistent namespace for OfflineUser rename GarbageCollector to DeletedUsersIndex and move it to user subdir fix unit tests add tests for deleteUser more test adjustements Conflicts: apps/user_ldap/ajax/clearMappings.php apps/user_ldap/appinfo/app.php apps/user_ldap/lib/access.php apps/user_ldap/lib/helper.php apps/user_ldap/tests/helper.php core/register_command.php lib/private/preferences.php lib/private/user.php add ldap:check-user to check user existance on the fly Conflicts: apps/user_ldap/lib/helper.php forgotten file PHPdoc fixes, no code change and don't forget to adjust tests
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* name or an instance of that user
* @return boolean
*/
public function userExistsOnLDAP($user) {
$id = ($user instanceof User) ? $user->getUsername() : $user;
return $this->handleRequest($id, 'userExistsOnLDAP', array($user));
}
/**
* Check if the password is correct
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* @param string $uid The username
* @param string $password The password
* @return bool
*
* Check if the password is correct without logging in the user
*/
public function checkPassword($uid, $password) {
return $this->handleRequest($uid, 'checkPassword', array($uid, $password));
}
/**
* returns the username for the given login name, if available
*
* @param string $loginName
* @return string|false
*/
public function loginName2UserName($loginName) {
$id = 'LOGINNAME,' . $loginName;
return $this->handleRequest($id, 'loginName2UserName', array($loginName));
}
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/**
* returns the username for the given LDAP DN, if available
*
* @param string $dn
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* @return string|false with the username
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*/
public function dn2UserName($dn) {
$id = 'DN,' . $dn;
return $this->handleRequest($id, 'dn2UserName', array($dn));
}
/**
* get the user's home directory
* @param string $uid the username
* @return boolean
*/
public function getHome($uid) {
return $this->handleRequest($uid, 'getHome', array($uid));
}
/**
* get display name of the user
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* @param string $uid user ID of the user
* @return string display name
*/
public function getDisplayName($uid) {
return $this->handleRequest($uid, 'getDisplayName', array($uid));
}
/**
* checks whether the user is allowed to change his avatar in Nextcloud
* @param string $uid the Nextcloud user name
* @return boolean either the user can or cannot
*/
public function canChangeAvatar($uid) {
return $this->handleRequest($uid, 'canChangeAvatar', array($uid), true);
}
/**
* Get a list of all display names and user ids.
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* @param string $search
* @param string|null $limit
* @param string|null $offset
* @return array an array of all displayNames (value) and the corresponding uids (key)
*/
public function getDisplayNames($search = '', $limit = null, $offset = null) {
//we do it just as the /OC_User implementation: do not play around with limit and offset but ask all backends
$users = array();
foreach($this->backends as $backend) {
$backendUsers = $backend->getDisplayNames($search, $limit, $offset);
if (is_array($backendUsers)) {
$users = $users + $backendUsers;
}
}
return $users;
}
/**
* delete a user
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* @param string $uid The username of the user to delete
* @return bool
*
* Deletes a user
*/
public function deleteUser($uid) {
LDAP User Cleanup: Port from stable7 without further adjustements LDAP User Cleanup background job for user clean up adjust user backend for clean up register background job remove dead code dependency injection make Helper non-static for proper testing check whether it is OK to run clean up job. Do not forget to pass arguments. use correct method to get the config from server methods can be private, proper indirect testing is given no automatic user deletion make limit readable for test purposes make method less complex add first tests let preferences accept limit and offset for getUsersForValue DI via constructor does not work for background jobs after detecting, now we have retrieving deleted users and their details we need this method to be public for now finalize export method, add missing getter clean up namespaces and get rid of unnecessary files helper is not static anymore cleanup according to scrutinizer add cli tool to show deleted users uses are necessary after recent namespace change also remove user from mappings table on deletion add occ command to delete users fix use statement improve output big fixes / improvements PHP doc return true in userExists early for cleaning up deleted users bump version control state and interval with one config.php setting, now ldapUserCleanupInterval. 0 will disable it. enabled by default. improve doc rename cli method to be consistent with others introduce ldapUserCleanupInterval in sample config don't show last login as unix epoche start when no login happend less log output consistent namespace for OfflineUser rename GarbageCollector to DeletedUsersIndex and move it to user subdir fix unit tests add tests for deleteUser more test adjustements Conflicts: apps/user_ldap/ajax/clearMappings.php apps/user_ldap/appinfo/app.php apps/user_ldap/lib/access.php apps/user_ldap/lib/helper.php apps/user_ldap/tests/helper.php core/register_command.php lib/private/preferences.php lib/private/user.php add ldap:check-user to check user existance on the fly Conflicts: apps/user_ldap/lib/helper.php forgotten file PHPdoc fixes, no code change and don't forget to adjust tests
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return $this->handleRequest($uid, 'deleteUser', array($uid));
}
/**
* Set password
* @param string $uid The username
* @param string $password The new password
* @return bool
*
*/
public function setPassword($uid, $password) {
return $this->handleRequest($uid, 'setPassword', array($uid, $password));
}
/**
* @return bool
*/
public function hasUserListings() {
return $this->refBackend->hasUserListings();
}
/**
* Count the number of users
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* @return int|bool
*/
public function countUsers() {
$users = false;
foreach($this->backends as $backend) {
$backendUsers = $backend->countUsers();
if ($backendUsers !== false) {
$users += $backendUsers;
}
}
return $users;
}
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/**
* Return access for LDAP interaction.
* @param string $uid
* @return Access instance of Access for LDAP interaction
*/
public function getLDAPAccess($uid) {
return $this->handleRequest($uid, 'getLDAPAccess', array($uid));
}
/**
* Return a new LDAP connection for the specified user.
* The connection needs to be closed manually.
* @param string $uid
* @return resource of the LDAP connection
*/
public function getNewLDAPConnection($uid) {
return $this->handleRequest($uid, 'getNewLDAPConnection', array($uid));
}
}