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<?php
/**
* @copyright Copyright (c) 2017 EITA Cooperative (eita.org.br)
*
* @author Vinicius Cubas Brand <vinicius@eita.org.br>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\User_LDAP;
use OC\User\Backend;
class UserPluginManager {
public $test = false;
private $respondToActions = 0;
private $which = array(
Backend::CREATE_USER => null,
Backend::SET_PASSWORD => null,
Backend::GET_HOME => null,
Backend::GET_DISPLAYNAME => null,
Backend::SET_DISPLAYNAME => null,
Backend::PROVIDE_AVATAR => null,
Backend::COUNT_USERS => null,
'deleteUser' => null
);
/**
* @return int All implemented actions, except for 'deleteUser'
*/
public function getImplementedActions() {
return $this->respondToActions;
}
/**
* Registers a group plugin that may implement some actions, overriding User_LDAP's user actions.
*
* @param ILDAPUserPlugin $plugin
*/
public function register(ILDAPUserPlugin $plugin) {
$respondToActions = $plugin->respondToActions();
$this->respondToActions |= $respondToActions;
foreach($this->which as $action => $v) {
if (is_int($action) && (bool)($respondToActions & $action)) {
$this->which[$action] = $plugin;
\OC::$server->getLogger()->debug("Registered action ".$action." to plugin ".get_class($plugin), ['app' => 'user_ldap']);
}
}
if (method_exists($plugin,'deleteUser')) {
$this->which['deleteUser'] = $plugin;
\OC::$server->getLogger()->debug("Registered action deleteUser to plugin ".get_class($plugin), ['app' => 'user_ldap']);
}
}
/**
* Signal if there is a registered plugin that implements some given actions
* @param int $actions Actions defined in \OC\User\Backend, like Backend::CREATE_USER
* @return bool
*/
public function implementsActions($actions) {
return ($actions & $this->respondToActions) == $actions;
}
/**
* Create a new user in LDAP Backend
*
* @param string $username The username of the user to create
* @param string $password The password of the new user
* @return bool
* @throws \Exception
*/
public function createUser($username, $password) {
$plugin = $this->which[Backend::CREATE_USER];
if ($plugin) {
return $plugin->createUser($username,$password);
}
throw new \Exception('No plugin implements createUser in this LDAP Backend.');
}
/**
* Change the password of a user*
* @param string $uid The username
* @param string $password The new password
* @return bool
* @throws \Exception
*/
public function setPassword($uid, $password) {
$plugin = $this->which[Backend::SET_PASSWORD];
if ($plugin) {
return $plugin->setPassword($uid,$password);
}
throw new \Exception('No plugin implements setPassword in this LDAP Backend.');
}
/**
* checks whether the user is allowed to change his avatar in Nextcloud
* @param string $uid the Nextcloud user name
* @return boolean either the user can or cannot
* @throws \Exception
*/
public function canChangeAvatar($uid) {
$plugin = $this->which[Backend::PROVIDE_AVATAR];
if ($plugin) {
return $plugin->canChangeAvatar($uid);
}
throw new \Exception('No plugin implements canChangeAvatar in this LDAP Backend.');
}
/**
* Get the user's home directory
* @param string $uid the username
* @return boolean
* @throws \Exception
*/
public function getHome($uid) {
$plugin = $this->which[Backend::GET_HOME];
if ($plugin) {
return $plugin->getHome($uid);
}
throw new \Exception('No plugin implements getHome in this LDAP Backend.');
}
/**
* Get display name of the user
* @param string $uid user ID of the user
* @return string display name
* @throws \Exception
*/
public function getDisplayName($uid) {
$plugin = $this->which[Backend::GET_DISPLAYNAME];
if ($plugin) {
return $plugin->getDisplayName($uid);
}
throw new \Exception('No plugin implements getDisplayName in this LDAP Backend.');
}
/**
* Set display name of the user
* @param string $uid user ID of the user
* @param string $displayName new user's display name
* @return string display name
* @throws \Exception
*/
public function setDisplayName($uid, $displayName) {
$plugin = $this->which[Backend::SET_DISPLAYNAME];
if ($plugin) {
return $plugin->setDisplayName($uid, $displayName);
}
throw new \Exception('No plugin implements setDisplayName in this LDAP Backend.');
}
/**
* Count the number of users
* @return int|bool
* @throws \Exception
*/
public function countUsers() {
$plugin = $this->which[Backend::COUNT_USERS];
if ($plugin) {
return $plugin->countUsers();
}
throw new \Exception('No plugin implements countUsers in this LDAP Backend.');
}
/**
* @return bool
*/
public function canDeleteUser() {
return $this->which['deleteUser'] !== null;
}
/**
* @param $uid
* @return bool
* @throws \Exception
*/
public function deleteUser($uid) {
$plugin = $this->which['deleteUser'];
if ($plugin) {
return $plugin->deleteUser($uid);
}
throw new \Exception('No plugin implements deleteUser in this LDAP Backend.');
}
}
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