nextcloud/settings/controller/userscontroller.php

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<?php
/**
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* @author Clark Tomlinson <fallen013@gmail.com>
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* @author Lukas Reschke <lukas@owncloud.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <icewind@owncloud.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* 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.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Settings\Controller;
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use OC\AppFramework\Http;
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use OC\Settings\Factory\SubAdminFactory;
use OC\User\User;
use OCP\App\IAppManager;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\Http\TemplateResponse;
use OCP\IConfig;
use OCP\IGroupManager;
use OCP\IL10N;
use OCP\ILogger;
use OCP\IRequest;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\IUserManager;
use OCP\IUserSession;
use OCP\Mail\IMailer;
/**
* @package OC\Settings\Controller
*/
class UsersController extends Controller {
/** @var IL10N */
private $l10n;
/** @var IUserSession */
private $userSession;
/** @var bool */
private $isAdmin;
/** @var IUserManager */
private $userManager;
/** @var IGroupManager */
private $groupManager;
/** @var IConfig */
private $config;
/** @var ILogger */
private $log;
/** @var \OC_Defaults */
private $defaults;
/** @var IMailer */
private $mailer;
/** @var string */
private $fromMailAddress;
/** @var IURLGenerator */
private $urlGenerator;
/** @var bool contains the state of the encryption app */
private $isEncryptionAppEnabled;
/** @var bool contains the state of the admin recovery setting */
private $isRestoreEnabled = false;
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/** @var SubAdminFactory */
private $subAdminFactory;
/**
* @param string $appName
* @param IRequest $request
* @param IUserManager $userManager
* @param IGroupManager $groupManager
* @param IUserSession $userSession
* @param IConfig $config
* @param bool $isAdmin
* @param IL10N $l10n
* @param ILogger $log
* @param \OC_Defaults $defaults
* @param IMailer $mailer
* @param string $fromMailAddress
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* @param IURLGenerator $urlGenerator
* @param IAppManager $appManager
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* @param SubAdminFactory $subAdminFactory
*/
public function __construct($appName,
IRequest $request,
IUserManager $userManager,
IGroupManager $groupManager,
IUserSession $userSession,
IConfig $config,
$isAdmin,
IL10N $l10n,
ILogger $log,
\OC_Defaults $defaults,
IMailer $mailer,
$fromMailAddress,
IURLGenerator $urlGenerator,
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IAppManager $appManager,
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SubAdminFactory $subAdminFactory) {
parent::__construct($appName, $request);
$this->userManager = $userManager;
$this->groupManager = $groupManager;
$this->userSession = $userSession;
$this->config = $config;
$this->isAdmin = $isAdmin;
$this->l10n = $l10n;
$this->log = $log;
$this->defaults = $defaults;
$this->mailer = $mailer;
$this->fromMailAddress = $fromMailAddress;
$this->urlGenerator = $urlGenerator;
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$this->subAdminFactory = $subAdminFactory;
// check for encryption state - TODO see formatUserForIndex
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$this->isEncryptionAppEnabled = $appManager->isEnabledForUser('encryption');
if($this->isEncryptionAppEnabled) {
// putting this directly in empty is possible in PHP 5.5+
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$result = $config->getAppValue('encryption', 'recoveryAdminEnabled', 0);
$this->isRestoreEnabled = !empty($result);
}
}
/**
* @param IUser $user
* @param array $userGroups
* @return array
*/
private function formatUserForIndex(IUser $user, array $userGroups = null) {
// TODO: eliminate this encryption specific code below and somehow
// hook in additional user info from other apps
// recovery isn't possible if admin or user has it disabled and encryption
// is enabled - so we eliminate the else paths in the conditional tree
// below
$restorePossible = false;
if ($this->isEncryptionAppEnabled) {
if ($this->isRestoreEnabled) {
// check for the users recovery setting
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$recoveryMode = $this->config->getUserValue($user->getUID(), 'encryption', 'recoveryEnabled', '0');
// method call inside empty is possible with PHP 5.5+
$recoveryModeEnabled = !empty($recoveryMode);
if ($recoveryModeEnabled) {
// user also has recovery mode enabled
$restorePossible = true;
}
}
} else {
// recovery is possible if encryption is disabled (plain files are
// available)
$restorePossible = true;
}
return [
'name' => $user->getUID(),
'displayname' => $user->getDisplayName(),
'groups' => (empty($userGroups)) ? $this->groupManager->getUserGroupIds($user) : $userGroups,
'subadmin' => \OC_SubAdmin::getSubAdminsGroups($user->getUID()),
'quota' => $this->config->getUserValue($user->getUID(), 'files', 'quota', 'default'),
'storageLocation' => $user->getHome(),
'lastLogin' => $user->getLastLogin() * 1000,
'backend' => $user->getBackendClassName(),
'email' => $this->config->getUserValue($user->getUID(), 'settings', 'email', ''),
'isRestoreDisabled' => !$restorePossible,
];
}
/**
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* @param array $userIDs Array with schema [$uid => $displayName]
* @return IUser[]
*/
private function getUsersForUID(array $userIDs) {
$users = [];
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foreach ($userIDs as $uid => $displayName) {
$users[$uid] = $this->userManager->get($uid);
}
return $users;
}
/**
* @NoAdminRequired
*
* @param int $offset
* @param int $limit
* @param string $gid GID to filter for
* @param string $pattern Pattern to search for in the username
* @param string $backend Backend to filter for (class-name)
* @return DataResponse
*
* TODO: Tidy up and write unit tests - code is mainly static method calls
*/
public function index($offset = 0, $limit = 10, $gid = '', $pattern = '', $backend = '') {
// FIXME: The JS sends the group '_everyone' instead of no GID for the "all users" group.
if($gid === '_everyone') {
$gid = '';
}
// Remove backends
if(!empty($backend)) {
$activeBackends = $this->userManager->getBackends();
$this->userManager->clearBackends();
foreach($activeBackends as $singleActiveBackend) {
if($backend === get_class($singleActiveBackend)) {
$this->userManager->registerBackend($singleActiveBackend);
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break;
}
}
}
$users = [];
if ($this->isAdmin) {
if($gid !== '') {
$batch = $this->getUsersForUID($this->groupManager->displayNamesInGroup($gid, $pattern, $limit, $offset));
} else {
$batch = $this->userManager->search($pattern, $limit, $offset);
}
foreach ($batch as $user) {
$users[] = $this->formatUserForIndex($user);
}
} else {
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$subAdminOfGroups = $this->subAdminFactory->getSubAdminsOfGroups(
$this->userSession->getUser()->getUID()
);
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// Set the $gid parameter to an empty value if the subadmin has no rights to access a specific group
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if($gid !== '' && !in_array($gid, $subAdminOfGroups)) {
$gid = '';
}
// Batch all groups the user is subadmin of when a group is specified
$batch = [];
if($gid === '') {
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foreach($subAdminOfGroups as $group) {
$groupUsers = $this->groupManager->displayNamesInGroup($group, $pattern, $limit, $offset);
foreach($groupUsers as $uid => $displayName) {
$batch[$uid] = $displayName;
}
}
} else {
$batch = $this->groupManager->displayNamesInGroup($gid, $pattern, $limit, $offset);
}
$batch = $this->getUsersForUID($batch);
foreach ($batch as $user) {
// Only add the groups, this user is a subadmin of
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$userGroups = array_values(array_intersect(
$this->groupManager->getUserGroupIds($user),
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$subAdminOfGroups
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));
$users[] = $this->formatUserForIndex($user, $userGroups);
}
}
return new DataResponse($users);
}
/**
* @NoAdminRequired
*
* @param string $username
* @param string $password
* @param array $groups
* @param string $email
* @return DataResponse
*/
public function create($username, $password, array $groups=array(), $email='') {
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if($email !== '' && !$this->mailer->validateMailAddress($email)) {
return new DataResponse(
array(
'message' => (string)$this->l10n->t('Invalid mail address')
),
Http::STATUS_UNPROCESSABLE_ENTITY
);
}
if (!$this->isAdmin) {
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$userId = $this->userSession->getUser()->getUID();
if (!empty($groups)) {
foreach ($groups as $key => $group) {
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if (!$this->subAdminFactory->isGroupAccessible($userId, $group)) {
unset($groups[$key]);
}
}
}
if (empty($groups)) {
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$groups = $this->subAdminFactory->getSubAdminsOfGroups($userId);
}
}
if ($this->userManager->userExists($username)) {
return new DataResponse(
array(
'message' => (string)$this->l10n->t('A user with that name already exists.')
),
Http::STATUS_CONFLICT
);
}
try {
$user = $this->userManager->createUser($username, $password);
} catch (\Exception $exception) {
return new DataResponse(
array(
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'message' => (string)$this->l10n->t('Unable to create user.')
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),
Http::STATUS_FORBIDDEN
);
}
if($user instanceof User) {
if($groups !== null) {
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foreach($groups as $groupName) {
$group = $this->groupManager->get($groupName);
if(empty($group)) {
$group = $this->groupManager->createGroup($groupName);
}
$group->addUser($user);
}
}
/**
* Send new user mail only if a mail is set
*/
if($email !== '') {
$this->config->setUserValue($username, 'settings', 'email', $email);
// data for the mail template
$mailData = array(
'username' => $username,
'url' => $this->urlGenerator->getAbsoluteURL('/')
);
$mail = new TemplateResponse('settings', 'email.new_user', $mailData, 'blank');
$mailContent = $mail->render();
$mail = new TemplateResponse('settings', 'email.new_user_plain_text', $mailData, 'blank');
$plainTextMailContent = $mail->render();
$subject = $this->l10n->t('Your %s account was created', [$this->defaults->getName()]);
try {
$message = $this->mailer->createMessage();
$message->setTo([$email => $username]);
$message->setSubject($subject);
$message->setHtmlBody($mailContent);
$message->setPlainBody($plainTextMailContent);
$message->setFrom([$this->fromMailAddress => $this->defaults->getName()]);
$this->mailer->send($message);
} catch(\Exception $e) {
$this->log->error("Can't send new user mail to $email: " . $e->getMessage(), array('app' => 'settings'));
}
}
// fetch users groups
$userGroups = $this->groupManager->getUserGroupIds($user);
return new DataResponse(
$this->formatUserForIndex($user, $userGroups),
Http::STATUS_CREATED
);
}
return new DataResponse(
array(
'message' => (string)$this->l10n->t('Unable to create user.')
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),
Http::STATUS_FORBIDDEN
);
}
/**
* @NoAdminRequired
*
* @param string $id
* @return DataResponse
*/
public function destroy($id) {
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$userId = $this->userSession->getUser()->getUID();
if($userId === $id) {
return new DataResponse(
array(
'status' => 'error',
'data' => array(
'message' => (string)$this->l10n->t('Unable to delete user.')
)
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),
Http::STATUS_FORBIDDEN
);
}
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if(!$this->isAdmin && !$this->subAdminFactory->isUserAccessible($userId, $id)) {
return new DataResponse(
array(
'status' => 'error',
'data' => array(
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'message' => (string)$this->l10n->t('Authentication error')
)
),
Http::STATUS_FORBIDDEN
);
}
$user = $this->userManager->get($id);
if($user) {
if($user->delete()) {
return new DataResponse(
array(
'status' => 'success',
'data' => array(
'username' => $id
)
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),
Http::STATUS_NO_CONTENT
);
}
}
return new DataResponse(
array(
'status' => 'error',
'data' => array(
'message' => (string)$this->l10n->t('Unable to delete user.')
)
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),
Http::STATUS_FORBIDDEN
);
}
/**
* Set the mail address of a user
*
* @NoAdminRequired
* @NoSubadminRequired
*
* @param string $id
* @param string $mailAddress
* @return DataResponse
*/
public function setMailAddress($id, $mailAddress) {
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$userId = $this->userSession->getUser()->getUID();
if($userId !== $id
&& !$this->isAdmin
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&& !$this->subAdminFactory->isUserAccessible($userId, $id)) {
return new DataResponse(
array(
'status' => 'error',
'data' => array(
'message' => (string)$this->l10n->t('Forbidden')
)
),
Http::STATUS_FORBIDDEN
);
}
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if($mailAddress !== '' && !$this->mailer->validateMailAddress($mailAddress)) {
return new DataResponse(
array(
'status' => 'error',
'data' => array(
'message' => (string)$this->l10n->t('Invalid mail address')
)
),
Http::STATUS_UNPROCESSABLE_ENTITY
);
}
$user = $this->userManager->get($id);
if(!$user){
return new DataResponse(
array(
'status' => 'error',
'data' => array(
'message' => (string)$this->l10n->t('Invalid user')
)
),
Http::STATUS_UNPROCESSABLE_ENTITY
);
}
// this is the only permission a backend provides and is also used
// for the permission of setting a email address
if(!$user->canChangeDisplayName()){
return new DataResponse(
array(
'status' => 'error',
'data' => array(
'message' => (string)$this->l10n->t('Unable to change mail address')
)
),
Http::STATUS_FORBIDDEN
);
}
// delete user value if email address is empty
if($mailAddress === '') {
$this->config->deleteUserValue($id, 'settings', 'email');
} else {
$this->config->setUserValue($id, 'settings', 'email', $mailAddress);
}
return new DataResponse(
array(
'status' => 'success',
'data' => array(
'username' => $id,
'mailAddress' => $mailAddress,
'message' => (string)$this->l10n->t('Email saved')
)
),
Http::STATUS_OK
);
}
}