544 lines
15 KiB
PHP
544 lines
15 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Frank Karlitschek
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* @copyright 2012 Frank Karlitschek frank@owncloud.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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/**
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* This class provides wrapper methods for user management. Multiple backends are
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* supported. User management operations are delegated to the configured backend for
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* execution.
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*
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* Hooks provided:
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* pre_createUser(&run, uid, password)
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* post_createUser(uid, password)
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* pre_deleteUser(&run, uid)
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* post_deleteUser(uid)
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* pre_setPassword(&run, uid, password, recoveryPassword)
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* post_setPassword(uid, password, recoveryPassword)
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* pre_login(&run, uid, password)
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* post_login(uid)
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* logout()
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*/
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class OC_User {
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public static $userSession = null;
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private static function getUserSession() {
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if (!self::$userSession) {
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$manager = new \OC\User\Manager();
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self::$userSession = new \OC\User\Session($manager, \OC::$session);
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self::$userSession->listen('\OC\User', 'preCreateUser', function ($uid, $password) {
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\OC_Hook::emit('OC_User', 'pre_createUser', array('run' => true, 'uid' => $uid, 'password' => $password));
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});
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self::$userSession->listen('\OC\User', 'postCreateUser', function ($user, $password) {
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/** @var $user \OC\User\User */
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\OC_Hook::emit('OC_User', 'post_createUser', array('uid' => $user->getUID(), 'password' => $password));
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});
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self::$userSession->listen('\OC\User', 'preDelete', function ($user) {
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/** @var $user \OC\User\User */
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\OC_Hook::emit('OC_User', 'pre_deleteUser', array('run' => true, 'uid' => $user->getUID()));
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});
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self::$userSession->listen('\OC\User', 'postDelete', function ($user) {
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/** @var $user \OC\User\User */
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\OC_Hook::emit('OC_User', 'post_deleteUser', array('uid' => $user->getUID()));
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});
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self::$userSession->listen('\OC\User', 'preSetPassword', function ($user, $password, $recoveryPassword) {
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/** @var $user \OC\User\User */
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OC_Hook::emit('OC_User', 'pre_setPassword', array('run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword));
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});
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self::$userSession->listen('\OC\User', 'postSetPassword', function ($user, $password, $recoveryPassword) {
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/** @var $user \OC\User\User */
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OC_Hook::emit('OC_User', 'post_setPassword', array('run' => true, 'uid' => $user->getUID(), 'password' => $password, 'recoveryPassword' => $recoveryPassword));
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});
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self::$userSession->listen('\OC\User', 'preLogin', function ($uid, $password) {
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\OC_Hook::emit('OC_User', 'pre_login', array('run' => true, 'uid' => $uid, 'password' => $password));
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});
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self::$userSession->listen('\OC\User', 'postLogin', function ($user, $password) {
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/** @var $user \OC\User\User */
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\OC_Hook::emit('OC_User', 'post_login', array('run' => true, 'uid' => $user->getUID(), 'password' => $password));
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});
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self::$userSession->listen('\OC\User', 'logout', function () {
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\OC_Hook::emit('OC_User', 'logout', array());
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});
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}
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return self::$userSession;
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}
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/**
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* @return \OC\User\Manager
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*/
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private static function getManager() {
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return self::getUserSession()->getManager();
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}
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private static $_backends = array();
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private static $_usedBackends = array();
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private static $_setupedBackends = array();
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/**
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* @brief registers backend
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* @param string $backend name of the backend
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* @deprecated Add classes by calling useBackend with a class instance instead
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* @return bool
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*
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* Makes a list of backends that can be used by other modules
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*/
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public static function registerBackend($backend) {
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self::$_backends[] = $backend;
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return true;
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}
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/**
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* @brief gets available backends
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* @deprecated
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* @returns array of backends
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*
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* Returns the names of all backends.
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*/
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public static function getBackends() {
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return self::$_backends;
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}
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/**
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* @brief gets used backends
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* @deprecated
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* @returns array of backends
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*
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* Returns the names of all used backends.
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*/
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public static function getUsedBackends() {
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return array_keys(self::$_usedBackends);
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}
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/**
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* @brief Adds the backend to the list of used backends
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* @param string | OC_User_Backend $backend default: database The backend to use for user management
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* @return bool
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*
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* Set the User Authentication Module
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*/
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public static function useBackend($backend = 'database') {
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if ($backend instanceof OC_User_Interface) {
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OC_Log::write('core', 'Adding user backend instance of ' . get_class($backend) . '.', OC_Log::DEBUG);
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self::$_usedBackends[get_class($backend)] = $backend;
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self::getManager()->registerBackend($backend);
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} else {
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// You'll never know what happens
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if (null === $backend OR !is_string($backend)) {
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$backend = 'database';
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}
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// Load backend
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switch ($backend) {
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case 'database':
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case 'mysql':
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case 'sqlite':
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OC_Log::write('core', 'Adding user backend ' . $backend . '.', OC_Log::DEBUG);
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self::$_usedBackends[$backend] = new OC_User_Database();
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self::getManager()->registerBackend(self::$_usedBackends[$backend]);
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break;
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default:
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OC_Log::write('core', 'Adding default user backend ' . $backend . '.', OC_Log::DEBUG);
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$className = 'OC_USER_' . strToUpper($backend);
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self::$_usedBackends[$backend] = new $className();
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self::getManager()->registerBackend(self::$_usedBackends[$backend]);
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break;
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}
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}
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return true;
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}
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/**
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* remove all used backends
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*/
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public static function clearBackends() {
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self::$_usedBackends = array();
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self::getManager()->clearBackends();
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}
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/**
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* setup the configured backends in config.php
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*/
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public static function setupBackends() {
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$backends = OC_Config::getValue('user_backends', array());
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foreach ($backends as $i => $config) {
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$class = $config['class'];
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$arguments = $config['arguments'];
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if (class_exists($class)) {
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if (array_search($i, self::$_setupedBackends) === false) {
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// make a reflection object
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$reflectionObj = new ReflectionClass($class);
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// use Reflection to create a new instance, using the $args
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$backend = $reflectionObj->newInstanceArgs($arguments);
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self::useBackend($backend);
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$_setupedBackends[] = $i;
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} else {
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OC_Log::write('core', 'User backend ' . $class . ' already initialized.', OC_Log::DEBUG);
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}
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} else {
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OC_Log::write('core', 'User backend ' . $class . ' not found.', OC_Log::ERROR);
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}
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}
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}
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/**
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* @brief Create a new user
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* @param string $uid The username of the user to create
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* @param string $password The password of the new user
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* @throws Exception
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* @return bool true/false
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*
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* Creates a new user. Basic checking of username is done in OC_User
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* itself, not in its subclasses.
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*
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* Allowed characters in the username are: "a-z", "A-Z", "0-9" and "_.@-"
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*/
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public static function createUser($uid, $password) {
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self::getManager()->createUser($uid, $password);
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}
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/**
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* @brief delete a user
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* @param string $uid The username of the user to delete
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* @return bool
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*
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* Deletes a user
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*/
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public static function deleteUser($uid) {
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$user = self::getManager()->get($uid);
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if ($user) {
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$user->delete();
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// We have to delete the user from all groups
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foreach (OC_Group::getUserGroups($uid) as $i) {
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OC_Group::removeFromGroup($uid, $i);
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}
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// Delete the user's keys in preferences
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OC_Preferences::deleteUser($uid);
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// Delete user files in /data/
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OC_Helper::rmdirr(OC_Config::getValue('datadirectory', OC::$SERVERROOT . '/data') . '/' . $uid . '/');
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}
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}
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/**
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* @brief Try to login a user
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* @param $uid The username of the user to log in
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* @param $password The password of the user
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* @return bool
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*
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* Log in a user and regenerate a new session - if the password is ok
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*/
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public static function login($uid, $password) {
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return self::getUserSession()->login($uid, $password);
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}
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/**
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* @brief Sets user id for session and triggers emit
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*/
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public static function setUserId($uid) {
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OC::$session->set('user_id', $uid);
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}
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/**
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* @brief Sets user display name for session
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*/
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public static function setDisplayName($uid, $displayName = null) {
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if (is_null($displayName)) {
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$displayName = $uid;
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}
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$user = self::getManager()->get($uid);
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if ($user) {
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return $user->setDisplayName($displayName);
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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 Logs the current user out and kills all the session data
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*
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* Logout, destroys session
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*/
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public static function logout() {
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self::getUserSession()->logout();
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}
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/**
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* @brief Check if the user is logged in
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* @returns bool
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*
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* Checks if the user is logged in
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*/
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public static function isLoggedIn() {
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if (\OC::$session->get('user_id')) {
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OC_App::loadApps(array('authentication'));
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self::setupBackends();
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return self::userExists(\OC::$session->get('user_id'));
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}
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return false;
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}
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/**
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* @brief Check if the user is an admin user
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* @param string $uid uid of the admin
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* @return bool
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*/
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public static function isAdminUser($uid) {
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if (OC_Group::inGroup($uid, 'admin')) {
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return true;
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}
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return false;
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}
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/**
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* @brief get the user id of the user currently logged in.
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* @return string uid or false
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*/
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public static function getUser() {
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$uid = OC::$session->get('user_id');
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if (!is_null($uid)) {
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return $uid;
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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 get the display name of the user currently logged in.
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* @param string $uid
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* @return string uid or false
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*/
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public static function getDisplayName($uid = null) {
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if ($uid) {
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$user = self::getManager()->get($uid);
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if ($user) {
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return $user->getDisplayName();
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} else {
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return $uid;
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}
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} else {
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$user = self::getUserSession()->getUser();
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if ($user) {
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return $user->getDisplayName();
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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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/**
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* @brief Autogenerate a password
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* @return string
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*
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* generates a password
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*/
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public static function generatePassword() {
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return OC_Util::generate_random_bytes(30);
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}
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/**
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* @brief Set password
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* @param string $uid The username
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* @param string $password The new password
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* @param string $recoveryPassword for the encryption app to reset encryption keys
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* @return bool
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*
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* Change the password of a user
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*/
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public static function setPassword($uid, $password, $recoveryPassword = null) {
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$user = self::getManager()->get($uid);
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if ($user) {
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return $user->setPassword($password, $recoveryPassword);
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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 Check whether user can change his password
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* @param string $uid The username
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* @return bool
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*
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* Check whether a specified user can change his password
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*/
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public static function canUserChangePassword($uid) {
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$user = self::getManager()->get($uid);
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if ($user) {
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return $user->canChangePassword();
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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 Check whether user can change his display name
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* @param string $uid The username
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* @return bool
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*
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* Check whether a specified user can change his display name
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*/
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public static function canUserChangeDisplayName($uid) {
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$user = self::getManager()->get($uid);
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if ($user) {
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return $user->canChangeDisplayName();
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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 Check if the password is correct
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* @param string $uid The username
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* @param string $password The password
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* @return bool
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*
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* Check if the password is correct without logging in the user
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* returns the user id or false
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*/
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public static function checkPassword($uid, $password) {
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$user = self::getManager()->get($uid);
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if ($user) {
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if ($user->checkPassword($password)) {
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return $user->getUID();
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} else {
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return false;
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}
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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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* @param string $uid The username
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* @return string
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*
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* returns the path to the users home directory
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*/
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public static function getHome($uid) {
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$user = self::getManager()->get($uid);
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if ($user) {
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return $user->getHome();
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} else {
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return OC_Config::getValue('datadirectory', OC::$SERVERROOT . '/data') . '/' . $uid;
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}
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}
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/**
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* @brief Get a list of all users
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* @returns array with all uids
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*
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* Get a list of all users.
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*/
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public static function getUsers($search = '', $limit = null, $offset = null) {
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$users = self::getManager()->search($search, $limit, $offset);
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$uids = array();
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foreach ($users as $user) {
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$uids[] = $user->getUID();
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}
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return $uids;
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}
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/**
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* @brief Get a list of all users display name
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* @param string $search
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* @param int $limit
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* @param int $offset
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* @return array associative array with all display names (value) and corresponding uids (key)
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*
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* Get a list of all display names and user ids.
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*/
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public static function getDisplayNames($search = '', $limit = null, $offset = null) {
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$displayNames = array();
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$users = self::getManager()->searchDisplayName($search, $limit, $offset);
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foreach ($users as $user) {
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$displayNames[$user->getUID()] = $user->getDisplayName();
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}
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return $displayNames;
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}
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/**
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* @brief check if a user exists
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* @param string $uid the username
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* @return boolean
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*/
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public static function userExists($uid) {
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return self::getManager()->userExists($uid);
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}
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/**
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* disables a user
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*
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* @param string $uid the user to disable
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*/
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public static function disableUser($uid) {
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$user = self::getManager()->get($uid);
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if ($user) {
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$user->setEnabled(false);
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}
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}
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/**
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* enable a user
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*
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* @param string $uid
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*/
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public static function enableUser($uid) {
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$user = self::getManager()->get($uid);
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if ($user) {
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$user->setEnabled(true);
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}
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}
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/**
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* checks if a user is enabled
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*
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* @param string $uid
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* @return bool
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*/
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public static function isEnabled($uid) {
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$user = self::getManager()->get($uid);
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if ($user) {
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return $user->isEnabled();
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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 Set cookie value to use in next page load
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* @param string $username username to be set
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* @param string $token
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*/
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public static function setMagicInCookie($username, $token) {
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self::getUserSession()->setMagicInCookie($username, $token);
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}
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/**
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* @brief Remove cookie for "remember username"
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*/
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public static function unsetMagicInCookie() {
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self::getUserSession()->unsetMagicInCookie();
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}
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}
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