Rename files to be PSR-4 compliant

4 files changed, 789 insertions, 0 deletions

diff --git a/core/Controller/AvatarController.php b/core/Controller/AvatarController.php
new file mode 100644
index 00000000000..adfe38ab2db
--- /dev/null
+++ b/core/Controller/AvatarController.php
@@ -0,0 +1,327 @@
+<?php
+/**
+ * @author Joas Schilling <nickvergessen@owncloud.com>
+ * @author Lukas Reschke <lukas@owncloud.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Robin Appelman <icewind@owncloud.com>
+ * @author Roeland Jago Douma <rullzer@owncloud.com>
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ * @author Vincent Petry <pvince81@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, 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\Core\Controller;
+
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\AppFramework\Http\DataDisplayResponse;
+use OCP\Files\NotFoundException;
+use OCP\IAvatarManager;
+use OCP\ILogger;
+use OCP\IL10N;
+use OCP\IRequest;
+use OCP\IUserManager;
+use OCP\IUserSession;
+use OCP\Files\Folder;
+
+/**
+ * Class AvatarController
+ *
+ * @package OC\Core\Controller
+ */
+class AvatarController extends Controller {
+
+	/** @var IAvatarManager */
+	protected $avatarManager;
+
+	/** @var \OC\Cache\File */
+	protected $cache;
+
+	/** @var IL10N */
+	protected $l;
+
+	/** @var IUserManager */
+	protected $userManager;
+
+	/** @var IUserSession */
+	protected $userSession;
+
+	/** @var Folder */
+	protected $userFolder;
+
+	/** @var ILogger */
+	protected $logger;
+
+	/**
+	 * @param string $appName
+	 * @param IRequest $request
+	 * @param IAvatarManager $avatarManager
+	 * @param \OC\Cache\File $cache
+	 * @param IL10N $l10n
+	 * @param IUserManager $userManager
+	 * @param IUserSession $userSession
+	 * @param Folder $userFolder
+	 * @param ILogger $logger
+	 */
+	public function __construct($appName,
+								IRequest $request,
+								IAvatarManager $avatarManager,
+								\OC\Cache\File $cache,
+								IL10N $l10n,
+								IUserManager $userManager,
+								IUserSession $userSession,
+								Folder $userFolder,
+								ILogger $logger) {
+		parent::__construct($appName, $request);
+
+		$this->avatarManager = $avatarManager;
+		$this->cache = $cache;
+		$this->l = $l10n;
+		$this->userManager = $userManager;
+		$this->userSession = $userSession;
+		$this->userFolder = $userFolder;
+		$this->logger = $logger;
+	}
+
+	/**
+	 * @NoAdminRequired
+	 * @NoCSRFRequired
+	 *
+	 * @param string $userId
+	 * @param int $size
+	 * @return DataResponse|DataDisplayResponse
+	 */
+	public function getAvatar($userId, $size) {
+		if ($size > 2048) {
+			$size = 2048;
+		} elseif ($size <= 0) {
+			$size = 64;
+		}
+
+		try {
+			$avatar = $this->avatarManager->getAvatar($userId)->getFile($size);
+			$resp = new DataDisplayResponse($avatar->getContent(),
+				Http::STATUS_OK,
+				['Content-Type' => $avatar->getMimeType()]);
+			$resp->setETag($avatar->getEtag());
+		} catch (NotFoundException $e) {
+			$user = $this->userManager->get($userId);
+			$resp = new DataResponse([
+				'data' => [
+					'displayname' => $user->getDisplayName(),
+				],
+			]);
+		} catch (\Exception $e) {
+			$resp = new DataResponse([
+				'data' => [
+					'displayname' => '',
+				],
+			]);
+		}
+
+		$resp->addHeader('Pragma', 'public');
+		$resp->cacheFor(0);
+		$resp->setLastModified(new \DateTime('now', new \DateTimeZone('GMT')));
+
+		return $resp;
+	}
+
+	/**
+	 * @NoAdminRequired
+	 *
+	 * @param string $path
+	 * @return DataResponse
+	 */
+	public function postAvatar($path) {
+		$userId = $this->userSession->getUser()->getUID();
+		$files = $this->request->getUploadedFile('files');
+
+		$headers = [];
+		if ($this->request->isUserAgent([\OC\AppFramework\Http\Request::USER_AGENT_IE_8])) {
+			// due to upload iframe workaround, need to set content-type to text/plain
+			$headers['Content-Type'] = 'text/plain';
+		}
+
+		if (isset($path)) {
+			$path = stripslashes($path);
+			$node = $this->userFolder->get($path);
+			if (!($node instanceof \OCP\Files\File)) {
+				return new DataResponse(['data' => ['message' => $this->l->t('Please select a file.')]], Http::STATUS_OK, $headers);
+			}
+			if ($node->getSize() > 20*1024*1024) {
+				return new DataResponse(
+					['data' => ['message' => $this->l->t('File is too big')]],
+					Http::STATUS_BAD_REQUEST,
+					$headers
+				);
+			}
+			$content = $node->getContent();
+		} elseif (!is_null($files)) {
+			if (
+				$files['error'][0] === 0 &&
+				 is_uploaded_file($files['tmp_name'][0]) &&
+				!\OC\Files\Filesystem::isFileBlacklisted($files['tmp_name'][0])
+			) {
+				if ($files['size'][0] > 20*1024*1024) {
+					return new DataResponse(
+						['data' => ['message' => $this->l->t('File is too big')]],
+						Http::STATUS_BAD_REQUEST,
+						$headers
+					);
+				}
+				$this->cache->set('avatar_upload', file_get_contents($files['tmp_name'][0]), 7200);
+				$content = $this->cache->get('avatar_upload');
+				unlink($files['tmp_name'][0]);
+			} else {
+				return new DataResponse(
+					['data' => ['message' => $this->l->t('Invalid file provided')]],
+					Http::STATUS_BAD_REQUEST,
+					$headers
+				);
+			}
+		} else {
+			//Add imgfile
+			return new DataResponse(
+				['data' => ['message' => $this->l->t('No image or file provided')]],
+				Http::STATUS_BAD_REQUEST,
+				$headers
+			);
+		}
+
+		try {
+			$image = new \OC_Image();
+			$image->loadFromData($content);
+			$image->fixOrientation();
+
+			if ($image->valid()) {
+				$mimeType = $image->mimeType();
+				if ($mimeType !== 'image/jpeg' && $mimeType !== 'image/png') {
+					return new DataResponse(
+						['data' => ['message' => $this->l->t('Unknown filetype')]],
+						Http::STATUS_OK,
+						$headers
+					);
+				}
+
+				$this->cache->set('tmpAvatar', $image->data(), 7200);
+				return new DataResponse(
+					['data' => 'notsquare'],
+					Http::STATUS_OK,
+					$headers
+				);
+			} else {
+				return new DataResponse(
+					['data' => ['message' => $this->l->t('Invalid image')]],
+					Http::STATUS_OK,
+					$headers
+				);
+			}
+		} catch (\Exception $e) {
+			$this->logger->logException($e, ['app' => 'core']);
+			return new DataResponse(['data' => ['message' => $this->l->t('An error occurred. Please contact your admin.')]], Http::STATUS_OK, $headers);
+		}
+	}
+
+	/**
+	 * @NoAdminRequired
+     *
+	 * @return DataResponse
+	 */
+	public function deleteAvatar() {
+		$userId = $this->userSession->getUser()->getUID();
+
+		try {
+			$avatar = $this->avatarManager->getAvatar($userId);
+			$avatar->remove();
+			return new DataResponse();
+		} catch (\Exception $e) {
+			$this->logger->logException($e, ['app' => 'core']);
+			return new DataResponse(['data' => ['message' => $this->l->t('An error occurred. Please contact your admin.')]], Http::STATUS_BAD_REQUEST);
+		}
+	}
+
+	/**
+	 * @NoAdminRequired
+	 *
+	 * @return DataResponse|DataDisplayResponse
+	 */
+	public function getTmpAvatar() {
+		$tmpAvatar = $this->cache->get('tmpAvatar');
+		if (is_null($tmpAvatar)) {
+			return new DataResponse(['data' => [
+										'message' => $this->l->t("No temporary profile picture available, try again")
+									]],
+									Http::STATUS_NOT_FOUND);
+		}
+
+		$image = new \OC_Image($tmpAvatar);
+
+		$resp = new DataDisplayResponse($image->data(),
+				Http::STATUS_OK,
+				['Content-Type' => $image->mimeType()]);
+
+		$resp->setETag(crc32($image->data()));
+		$resp->cacheFor(0);
+		$resp->setLastModified(new \DateTime('now', new \DateTimeZone('GMT')));
+		return $resp;
+	}
+
+	/**
+	 * @NoAdminRequired
+	 *
+	 * @param array $crop
+	 * @return DataResponse
+	 */
+	public function postCroppedAvatar($crop) {
+		$userId = $this->userSession->getUser()->getUID();
+
+		if (is_null($crop)) {
+			return new DataResponse(['data' => ['message' => $this->l->t("No crop data provided")]],
+									Http::STATUS_BAD_REQUEST);
+		}
+
+		if (!isset($crop['x'], $crop['y'], $crop['w'], $crop['h'])) {
+			return new DataResponse(['data' => ['message' => $this->l->t("No valid crop data provided")]],
+									Http::STATUS_BAD_REQUEST);
+		}
+
+		$tmpAvatar = $this->cache->get('tmpAvatar');
+		if (is_null($tmpAvatar)) {
+			return new DataResponse(['data' => [
+										'message' => $this->l->t("No temporary profile picture available, try again")
+									]],
+									Http::STATUS_BAD_REQUEST);
+		}
+
+		$image = new \OC_Image($tmpAvatar);
+		$image->crop($crop['x'], $crop['y'], round($crop['w']), round($crop['h']));
+		try {
+			$avatar = $this->avatarManager->getAvatar($userId);
+			$avatar->set($image);
+			// Clean up
+			$this->cache->remove('tmpAvatar');
+			return new DataResponse(['status' => 'success']);
+		} catch (\OC\NotSquareException $e) {
+			return new DataResponse(['data' => ['message' => $this->l->t('Crop is not square')]],
+									Http::STATUS_BAD_REQUEST);
+		} catch (\Exception $e) {
+			$this->logger->logException($e, ['app' => 'core']);
+			return new DataResponse(['data' => ['message' => $this->l->t('An error occurred. Please contact your admin.')]], Http::STATUS_BAD_REQUEST);
+		}
+	}
+}
diff --git a/core/Controller/LostController.php b/core/Controller/LostController.php
new file mode 100644
index 00000000000..0e0932b288b
--- /dev/null
+++ b/core/Controller/LostController.php
@@ -0,0 +1,257 @@
+<?php
+/**
+ * @author Bernhard Posselt <dev@bernhard-posselt.com>
+ * @author Björn Schießle <schiessle@owncloud.com>
+ * @author Lukas Reschke <lukas@owncloud.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Roeland Jago Douma <rullzer@owncloud.com>
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ * @author Victor Dubiniuk <dubiniuk@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, 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\Core\Controller;
+
+use \OCP\AppFramework\Controller;
+use \OCP\AppFramework\Http\TemplateResponse;
+use OCP\AppFramework\Utility\ITimeFactory;
+use \OCP\IURLGenerator;
+use \OCP\IRequest;
+use \OCP\IL10N;
+use \OCP\IConfig;
+use OCP\IUserManager;
+use OCP\Mail\IMailer;
+use OCP\Security\ISecureRandom;
+use \OC_Defaults;
+use OCP\Security\StringUtils;
+
+/**
+ * Class LostController
+ *
+ * Successfully changing a password will emit the post_passwordReset hook.
+ *
+ * @package OC\Core\Controller
+ */
+class LostController extends Controller {
+
+	/** @var IURLGenerator */
+	protected $urlGenerator;
+	/** @var IUserManager */
+	protected $userManager;
+	// FIXME: Inject a non-static factory of OC_Defaults for better unit-testing
+	/** @var OC_Defaults */
+	protected $defaults;
+	/** @var IL10N */
+	protected $l10n;
+	/** @var string */
+	protected $from;
+	/** @var bool */
+	protected $isDataEncrypted;
+	/** @var IConfig */
+	protected $config;
+	/** @var ISecureRandom */
+	protected $secureRandom;
+	/** @var IMailer */
+	protected $mailer;
+	/** @var ITimeFactory */
+	protected $timeFactory;
+
+	/**
+	 * @param string $appName
+	 * @param IRequest $request
+	 * @param IURLGenerator $urlGenerator
+	 * @param IUserManager $userManager
+	 * @param OC_Defaults $defaults
+	 * @param IL10N $l10n
+	 * @param IConfig $config
+	 * @param ISecureRandom $secureRandom
+	 * @param string $from
+	 * @param string $isDataEncrypted
+	 * @param IMailer $mailer
+	 * @param ITimeFactory $timeFactory
+	 */
+	public function __construct($appName,
+								IRequest $request,
+								IURLGenerator $urlGenerator,
+								IUserManager $userManager,
+								OC_Defaults $defaults,
+								IL10N $l10n,
+								IConfig $config,
+								ISecureRandom $secureRandom,
+								$from,
+								$isDataEncrypted,
+								IMailer $mailer,
+								ITimeFactory $timeFactory) {
+		parent::__construct($appName, $request);
+		$this->urlGenerator = $urlGenerator;
+		$this->userManager = $userManager;
+		$this->defaults = $defaults;
+		$this->l10n = $l10n;
+		$this->secureRandom = $secureRandom;
+		$this->from = $from;
+		$this->isDataEncrypted = $isDataEncrypted;
+		$this->config = $config;
+		$this->mailer = $mailer;
+		$this->timeFactory = $timeFactory;
+	}
+
+	/**
+	 * Someone wants to reset their password:
+	 *
+	 * @PublicPage
+	 * @NoCSRFRequired
+	 *
+	 * @param string $token
+	 * @param string $userId
+	 * @return TemplateResponse
+	 */
+	public function resetform($token, $userId) {
+		return new TemplateResponse(
+			'core',
+			'lostpassword/resetpassword',
+			array(
+				'link' => $this->urlGenerator->linkToRouteAbsolute('core.lost.setPassword', array('userId' => $userId, 'token' => $token)),
+			),
+			'guest'
+		);
+	}
+
+	/**
+	 * @param $message
+	 * @param array $additional
+	 * @return array
+	 */
+	private function error($message, array $additional=array()) {
+		return array_merge(array('status' => 'error', 'msg' => $message), $additional);
+	}
+
+	/**
+	 * @return array
+	 */
+	private function success() {
+		return array('status'=>'success');
+	}
+
+	/**
+	 * @PublicPage
+	 *
+	 * @param string $user
+	 * @return array
+	 */
+	public function email($user){
+		// FIXME: use HTTP error codes
+		try {
+			$this->sendEmail($user);
+		} catch (\Exception $e){
+			return $this->error($e->getMessage());
+		}
+
+		return $this->success();
+	}
+
+	/**
+	 * @PublicPage
+	 * @param string $token
+	 * @param string $userId
+	 * @param string $password
+	 * @param boolean $proceed
+	 * @return array
+	 */
+	public function setPassword($token, $userId, $password, $proceed) {
+		if ($this->isDataEncrypted && !$proceed) {
+			return $this->error('', array('encryption' => true));
+		}
+
+		try {
+			$user = $this->userManager->get($userId);
+
+			$splittedToken = explode(':', $this->config->getUserValue($userId, 'owncloud', 'lostpassword', null));
+			if(count($splittedToken) !== 2) {
+				throw new \Exception($this->l10n->t('Couldn\'t reset password because the token is invalid'));
+			}
+
+			if ($splittedToken[0] < ($this->timeFactory->getTime() - 60*60*12) ||
+				$user->getLastLogin() > $splittedToken[0]) {
+				throw new \Exception($this->l10n->t('Couldn\'t reset password because the token is expired'));
+			}
+
+			if (!StringUtils::equals($splittedToken[1], $token)) {
+				throw new \Exception($this->l10n->t('Couldn\'t reset password because the token is invalid'));
+			}
+
+			if (!$user->setPassword($password)) {
+				throw new \Exception();
+			}
+
+			\OC_Hook::emit('\OC\Core\LostPassword\Controller\LostController', 'post_passwordReset', array('uid' => $userId, 'password' => $password));
+
+			$this->config->deleteUserValue($userId, 'owncloud', 'lostpassword');
+			@\OC_User::unsetMagicInCookie();
+
+		} catch (\Exception $e){
+			return $this->error($e->getMessage());
+		}
+
+		return $this->success();
+	}
+
+	/**
+	 * @param string $user
+	 * @throws \Exception
+	 */
+	protected function sendEmail($user) {
+		if (!$this->userManager->userExists($user)) {
+			throw new \Exception($this->l10n->t('Couldn\'t send reset email. Please make sure your username is correct.'));
+		}
+
+		$userObject = $this->userManager->get($user);
+		$email = $userObject->getEMailAddress();
+
+		if (empty($email)) {
+			throw new \Exception(
+				$this->l10n->t('Could not send reset email because there is no email address for this username. Please contact your administrator.')
+			);
+		}
+
+		$token = $this->secureRandom->generate(21,
+			ISecureRandom::CHAR_DIGITS.
+			ISecureRandom::CHAR_LOWER.
+			ISecureRandom::CHAR_UPPER);
+		$this->config->setUserValue($user, 'owncloud', 'lostpassword', $this->timeFactory->getTime() .':'. $token);
+
+		$link = $this->urlGenerator->linkToRouteAbsolute('core.lost.resetform', array('userId' => $user, 'token' => $token));
+
+		$tmpl = new \OC_Template('core', 'lostpassword/email');
+		$tmpl->assign('link', $link);
+		$msg = $tmpl->fetchPage();
+
+		try {
+			$message = $this->mailer->createMessage();
+			$message->setTo([$email => $user]);
+			$message->setSubject($this->l10n->t('%s password reset', [$this->defaults->getName()]));
+			$message->setPlainBody($msg);
+			$message->setFrom([$this->from => $this->defaults->getName()]);
+			$this->mailer->send($message);
+		} catch (\Exception $e) {
+			throw new \Exception($this->l10n->t(
+				'Couldn\'t send reset email. Please contact your administrator.'
+			));
+		}
+	}
+
+}
diff --git a/core/Controller/SetupController.php b/core/Controller/SetupController.php
new file mode 100644
index 00000000000..f25c6f39a0b
--- /dev/null
+++ b/core/Controller/SetupController.php
@@ -0,0 +1,126 @@
+<?php
+/**
+ * @author Bart Visscher <bartv@thisnet.nl>
+ * @author ideaship <ideaship@users.noreply.github.com>
+ * @author Lukas Reschke <lukas@owncloud.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Robin Appelman <icewind@owncloud.com>
+ * @author Robin McCorkell <robin@mccorkell.me.uk>
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ *
+ * @copyright Copyright (c) 2016, 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\Core\Controller;
+
+use OC\Setup;
+
+class SetupController {
+	/** @var Setup */
+	protected $setupHelper;
+	/** @var string */
+	private $autoConfigFile;
+
+	/**
+	 * @param Setup $setupHelper
+	 */
+	function __construct(Setup $setupHelper) {
+		$this->autoConfigFile = \OC::$SERVERROOT.'/config/autoconfig.php';
+		$this->setupHelper = $setupHelper;
+	}
+
+	/**
+	 * @param $post
+	 */
+	public function run($post) {
+		// Check for autosetup:
+		$post = $this->loadAutoConfig($post);
+		$opts = $this->setupHelper->getSystemInfo();
+
+		// convert 'abcpassword' to 'abcpass'
+		if (isset($post['adminpassword'])) {
+			$post['adminpass'] = $post['adminpassword'];
+		}
+		if (isset($post['dbpassword'])) {
+			$post['dbpass'] = $post['dbpassword'];
+		}
+
+		if(isset($post['install']) AND $post['install']=='true') {
+			// We have to launch the installation process :
+			$e = $this->setupHelper->install($post);
+			$errors = array('errors' => $e);
+
+			if(count($e) > 0) {
+				$options = array_merge($opts, $post, $errors);
+				$this->display($options);
+			} else {
+				$this->finishSetup();
+			}
+		} else {
+			$options = array_merge($opts, $post);
+			$this->display($options);
+		}
+	}
+
+	public function display($post) {
+		$defaults = array(
+			'adminlogin' => '',
+			'adminpass' => '',
+			'dbuser' => '',
+			'dbpass' => '',
+			'dbname' => '',
+			'dbtablespace' => '',
+			'dbhost' => 'localhost',
+			'dbtype' => '',
+		);
+		$parameters = array_merge($defaults, $post);
+
+		\OC_Util::addVendorScript('strengthify/jquery.strengthify');
+		\OC_Util::addVendorStyle('strengthify/strengthify');
+		\OC_Util::addScript('setup');
+		\OC_Template::printGuestPage('', 'installation', $parameters);
+	}
+
+	public function finishSetup() {
+		if( file_exists( $this->autoConfigFile )) {
+			unlink($this->autoConfigFile);
+		}
+		\OC::$server->getIntegrityCodeChecker()->runInstanceVerification();
+		\OC_Util::redirectToDefaultPage();
+	}
+
+	public function loadAutoConfig($post) {
+		if( file_exists($this->autoConfigFile)) {
+			\OCP\Util::writeLog('core', 'Autoconfig file found, setting up ownCloud…', \OCP\Util::INFO);
+			$AUTOCONFIG = array();
+			include $this->autoConfigFile;
+			$post = array_merge ($post, $AUTOCONFIG);
+		}
+
+		$dbIsSet = isset($post['dbtype']);
+		$directoryIsSet = isset($post['directory']);
+		$adminAccountIsSet = isset($post['adminlogin']);
+
+		if ($dbIsSet AND $directoryIsSet AND $adminAccountIsSet) {
+			$post['install'] = 'true';
+		}
+		$post['dbIsSet'] = $dbIsSet;
+		$post['directoryIsSet'] = $directoryIsSet;
+
+		return $post;
+	}
+}
diff --git a/core/Controller/UserController.php b/core/Controller/UserController.php
new file mode 100644
index 00000000000..72193761022
--- /dev/null
+++ b/core/Controller/UserController.php
@@ -0,0 +1,79 @@
+<?php
+/**
+ * @author Lukas Reschke <lukas@owncloud.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ *
+ * @copyright Copyright (c) 2016, 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\Core\Controller;
+
+use \OCP\AppFramework\Controller;
+use \OCP\AppFramework\Http\JSONResponse;
+use \OCP\IRequest;
+
+class UserController extends Controller {
+	/**
+	 * @var \OCP\IUserManager
+	 */
+	protected $userManager;
+
+	/**
+	 * @var \OC_Defaults
+	 */
+	protected $defaults;
+
+	public function __construct($appName,
+								IRequest $request,
+								$userManager,
+								$defaults
+	) {
+		parent::__construct($appName, $request);
+		$this->userManager = $userManager;
+		$this->defaults = $defaults;
+	}
+
+	/**
+	 * Lookup user display names
+	 *
+	 * @NoAdminRequired
+	 *
+	 * @param array $users
+	 *
+	 * @return JSONResponse
+	 */
+	public function getDisplayNames($users) {
+		$result = array();
+
+		foreach ($users as $user) {
+			$userObject = $this->userManager->get($user);
+			if (is_object($userObject)) {
+				$result[$user] = $userObject->getDisplayName();
+			} else {
+				$result[$user] = $user;
+			}
+		}
+
+		$json = array(
+			'users' => $result,
+			'status' => 'success'
+		);
+
+		return new JSONResponse($json);
+
+	}
+}