nextcloud / server

apps/files_sharing/lib/Controller/ShareController.php

Indentation +643 added lines, -644 removed lines

@@ -80,652 +80,651 @@
  */
 class ShareController extends AuthPublicShareController {
 
-	/** @var IConfig */
-	protected $config;
-	/** @var IUserManager */
-	protected $userManager;
-	/** @var ILogger */
-	protected $logger;
-	/** @var \OCP\Activity\IManager */
-	protected $activityManager;
-	/** @var IPreview */
-	protected $previewManager;
-	/** @var IRootFolder */
-	protected $rootFolder;
-	/** @var FederatedShareProvider */
-	protected $federatedShareProvider;
-	/** @var EventDispatcherInterface */
-	protected $eventDispatcher;
-	/** @var IL10N */
-	protected $l10n;
-	/** @var Defaults */
-	protected $defaults;
-	/** @var ShareManager */
-	protected $shareManager;
-
-	/** @var Share\IShare */
-	protected $share;
-
-	/**
-	 * @param string $appName
-	 * @param IRequest $request
-	 * @param IConfig $config
-	 * @param IURLGenerator $urlGenerator
-	 * @param IUserManager $userManager
-	 * @param ILogger $logger
-	 * @param \OCP\Activity\IManager $activityManager
-	 * @param \OCP\Share\IManager $shareManager
-	 * @param ISession $session
-	 * @param IPreview $previewManager
-	 * @param IRootFolder $rootFolder
-	 * @param FederatedShareProvider $federatedShareProvider
-	 * @param EventDispatcherInterface $eventDispatcher
-	 * @param IL10N $l10n
-	 * @param Defaults $defaults
-	 */
-	public function __construct(string $appName,
-								IRequest $request,
-								IConfig $config,
-								IURLGenerator $urlGenerator,
-								IUserManager $userManager,
-								ILogger $logger,
-								\OCP\Activity\IManager $activityManager,
-								ShareManager $shareManager,
-								ISession $session,
-								IPreview $previewManager,
-								IRootFolder $rootFolder,
-								FederatedShareProvider $federatedShareProvider,
-								EventDispatcherInterface $eventDispatcher,
-								IL10N $l10n,
-								Defaults $defaults) {
-		parent::__construct($appName, $request, $session, $urlGenerator);
-
-		$this->config = $config;
-		$this->userManager = $userManager;
-		$this->logger = $logger;
-		$this->activityManager = $activityManager;
-		$this->previewManager = $previewManager;
-		$this->rootFolder = $rootFolder;
-		$this->federatedShareProvider = $federatedShareProvider;
-		$this->eventDispatcher = $eventDispatcher;
-		$this->l10n = $l10n;
-		$this->defaults = $defaults;
-		$this->shareManager = $shareManager;
-	}
-
-	/**
-	 * @PublicPage
-	 * @NoCSRFRequired
-	 *
-	 * Show the authentication page
-	 * The form has to submit to the authenticate method route
-	 */
-	public function showAuthenticate(): TemplateResponse {
-		$templateParameters = ['share' => $this->share];
-
-		$event = new GenericEvent(null, $templateParameters);
-		$this->eventDispatcher->dispatch('OCA\Files_Sharing::loadAdditionalScripts::publicShareAuth', $event);
-
-		$response = new TemplateResponse('core', 'publicshareauth', $templateParameters, 'guest');
-		if ($this->share->getSendPasswordByTalk()) {
-			$csp = new ContentSecurityPolicy();
-			$csp->addAllowedConnectDomain('*');
-			$csp->addAllowedMediaDomain('blob:');
-			$response->setContentSecurityPolicy($csp);
-		}
-
-		return $response;
-	}
-
-	/**
-	 * The template to show when authentication failed
-	 */
-	protected function showAuthFailed(): TemplateResponse {
-		$templateParameters = ['share' => $this->share, 'wrongpw' => true];
-
-		$event = new GenericEvent(null, $templateParameters);
-		$this->eventDispatcher->dispatch('OCA\Files_Sharing::loadAdditionalScripts::publicShareAuth', $event);
-
-		$response = new TemplateResponse('core', 'publicshareauth', $templateParameters, 'guest');
-		if ($this->share->getSendPasswordByTalk()) {
-			$csp = new ContentSecurityPolicy();
-			$csp->addAllowedConnectDomain('*');
-			$csp->addAllowedMediaDomain('blob:');
-			$response->setContentSecurityPolicy($csp);
-		}
-
-		return $response;
-	}
-
-	protected function verifyPassword(string $password): bool {
-		return $this->shareManager->checkPassword($this->share, $password);
-	}
-
-	protected function getPasswordHash(): string {
-		return $this->share->getPassword();
-	}
-
-	public function isValidToken(): bool {
-		try {
-			$this->share = $this->shareManager->getShareByToken($this->getToken());
-		} catch (ShareNotFound $e) {
-			return false;
-		}
-
-		return true;
-	}
-
-	protected function isPasswordProtected(): bool {
-		return $this->share->getPassword() !== null;
-	}
-
-	protected function authSucceeded() {
-		// For share this was always set so it is still used in other apps
-		$this->session->set('public_link_authenticated', (string)$this->share->getId());
-	}
-
-	protected function authFailed() {
-		$this->emitAccessShareHook($this->share, 403, 'Wrong password');
-	}
-
-	/**
-	 * throws hooks when a share is attempted to be accessed
-	 *
-	 * @param \OCP\Share\IShare|string $share the Share instance if available,
-	 * otherwise token
-	 * @param int $errorCode
-	 * @param string $errorMessage
-	 * @throws \OC\HintException
-	 * @throws \OC\ServerNotAvailableException
-	 */
-	protected function emitAccessShareHook($share, $errorCode = 200, $errorMessage = '') {
-		$itemType = $itemSource = $uidOwner = '';
-		$token = $share;
-		$exception = null;
-		if($share instanceof \OCP\Share\IShare) {
-			try {
-				$token = $share->getToken();
-				$uidOwner = $share->getSharedBy();
-				$itemType = $share->getNodeType();
-				$itemSource = $share->getNodeId();
-			} catch (\Exception $e) {
-				// we log what we know and pass on the exception afterwards
-				$exception = $e;
-			}
-		}
-		\OC_Hook::emit(Share::class, 'share_link_access', [
-			'itemType' => $itemType,
-			'itemSource' => $itemSource,
-			'uidOwner' => $uidOwner,
-			'token' => $token,
-			'errorCode' => $errorCode,
-			'errorMessage' => $errorMessage,
-		]);
-		if(!is_null($exception)) {
-			throw $exception;
-		}
-	}
-
-	/**
-	 * Validate the permissions of the share
-	 *
-	 * @param Share\IShare $share
-	 * @return bool
-	 */
-	private function validateShare(\OCP\Share\IShare $share) {
-		// If the owner is disabled no access to the linke is granted
-		$owner = $this->userManager->get($share->getShareOwner());
-		if ($owner === null || !$owner->isEnabled()) {
-			return false;
-		}
-
-		// If the initiator of the share is disabled no access is granted
-		$initiator = $this->userManager->get($share->getSharedBy());
-		if ($initiator === null || !$initiator->isEnabled()) {
-			return false;
-		}
-
-		return $share->getNode()->isReadable() && $share->getNode()->isShareable();
-	}
-
-	/**
-	 * @PublicPage
-	 * @NoCSRFRequired
-	 *
-
-	 * @param string $path
-	 * @return TemplateResponse
-	 * @throws NotFoundException
-	 * @throws \Exception
-	 */
-	public function showShare($path = ''): TemplateResponse {
-		\OC_User::setIncognitoMode(true);
-
-		// Check whether share exists
-		try {
-			$share = $this->shareManager->getShareByToken($this->getToken());
-		} catch (ShareNotFound $e) {
-			$this->emitAccessShareHook($this->getToken(), 404, 'Share not found');
-			throw new NotFoundException();
-		}
-
-		if (!$this->validateShare($share)) {
-			throw new NotFoundException();
-		}
-
-		$shareNode = $share->getNode();
-
-		// We can't get the path of a file share
-		try {
-			if ($shareNode instanceof \OCP\Files\File && $path !== '') {
-				$this->emitAccessShareHook($share, 404, 'Share not found');
-				throw new NotFoundException();
-			}
-		} catch (\Exception $e) {
-			$this->emitAccessShareHook($share, 404, 'Share not found');
-			throw $e;
-		}
-
-		$shareTmpl = [];
-		$shareTmpl['displayName'] = $this->userManager->get($share->getShareOwner())->getDisplayName();
-		$shareTmpl['owner'] = $share->getShareOwner();
-		$shareTmpl['filename'] = $shareNode->getName();
-		$shareTmpl['directory_path'] = $share->getTarget();
-		$shareTmpl['note'] = $share->getNote();
-		$shareTmpl['mimetype'] = $shareNode->getMimetype();
-		$shareTmpl['previewSupported'] = $this->previewManager->isMimeSupported($shareNode->getMimetype());
-		$shareTmpl['dirToken'] = $this->getToken();
-		$shareTmpl['sharingToken'] = $this->getToken();
-		$shareTmpl['server2serversharing'] = $this->federatedShareProvider->isOutgoingServer2serverShareEnabled();
-		$shareTmpl['protected'] = $share->getPassword() !== null ? 'true' : 'false';
-		$shareTmpl['dir'] = '';
-		$shareTmpl['nonHumanFileSize'] = $shareNode->getSize();
-		$shareTmpl['fileSize'] = \OCP\Util::humanFileSize($shareNode->getSize());
-		$shareTmpl['hideDownload'] = $share->getHideDownload();
-
-		$hideFileList = false;
-
-		if ($shareNode instanceof \OCP\Files\Folder) {
-
-			$shareIsFolder = true;
-
-			try {
-				$folderNode = $shareNode->get($path);
-			} catch (\OCP\Files\NotFoundException $e) {
-				$this->emitAccessShareHook($share, 404, 'Share not found');
-				throw new NotFoundException();
-			}
-
-			$shareTmpl['dir'] = $shareNode->getRelativePath($folderNode->getPath());
-
-			/*
+    /** @var IConfig */
+    protected $config;
+    /** @var IUserManager */
+    protected $userManager;
+    /** @var ILogger */
+    protected $logger;
+    /** @var \OCP\Activity\IManager */
+    protected $activityManager;
+    /** @var IPreview */
+    protected $previewManager;
+    /** @var IRootFolder */
+    protected $rootFolder;
+    /** @var FederatedShareProvider */
+    protected $federatedShareProvider;
+    /** @var EventDispatcherInterface */
+    protected $eventDispatcher;
+    /** @var IL10N */
+    protected $l10n;
+    /** @var Defaults */
+    protected $defaults;
+    /** @var ShareManager */
+    protected $shareManager;
+
+    /** @var Share\IShare */
+    protected $share;
+
+    /**
+     * @param string $appName
+     * @param IRequest $request
+     * @param IConfig $config
+     * @param IURLGenerator $urlGenerator
+     * @param IUserManager $userManager
+     * @param ILogger $logger
+     * @param \OCP\Activity\IManager $activityManager
+     * @param \OCP\Share\IManager $shareManager
+     * @param ISession $session
+     * @param IPreview $previewManager
+     * @param IRootFolder $rootFolder
+     * @param FederatedShareProvider $federatedShareProvider
+     * @param EventDispatcherInterface $eventDispatcher
+     * @param IL10N $l10n
+     * @param Defaults $defaults
+     */
+    public function __construct(string $appName,
+                                IRequest $request,
+                                IConfig $config,
+                                IURLGenerator $urlGenerator,
+                                IUserManager $userManager,
+                                ILogger $logger,
+                                \OCP\Activity\IManager $activityManager,
+                                ShareManager $shareManager,
+                                ISession $session,
+                                IPreview $previewManager,
+                                IRootFolder $rootFolder,
+                                FederatedShareProvider $federatedShareProvider,
+                                EventDispatcherInterface $eventDispatcher,
+                                IL10N $l10n,
+                                Defaults $defaults) {
+        parent::__construct($appName, $request, $session, $urlGenerator);
+
+        $this->config = $config;
+        $this->userManager = $userManager;
+        $this->logger = $logger;
+        $this->activityManager = $activityManager;
+        $this->previewManager = $previewManager;
+        $this->rootFolder = $rootFolder;
+        $this->federatedShareProvider = $federatedShareProvider;
+        $this->eventDispatcher = $eventDispatcher;
+        $this->l10n = $l10n;
+        $this->defaults = $defaults;
+        $this->shareManager = $shareManager;
+    }
+
+    /**
+     * @PublicPage
+     * @NoCSRFRequired
+     *
+     * Show the authentication page
+     * The form has to submit to the authenticate method route
+     */
+    public function showAuthenticate(): TemplateResponse {
+        $templateParameters = ['share' => $this->share];
+
+        $event = new GenericEvent(null, $templateParameters);
+        $this->eventDispatcher->dispatch('OCA\Files_Sharing::loadAdditionalScripts::publicShareAuth', $event);
+
+        $response = new TemplateResponse('core', 'publicshareauth', $templateParameters, 'guest');
+        if ($this->share->getSendPasswordByTalk()) {
+            $csp = new ContentSecurityPolicy();
+            $csp->addAllowedConnectDomain('*');
+            $csp->addAllowedMediaDomain('blob:');
+            $response->setContentSecurityPolicy($csp);
+        }
+
+        return $response;
+    }
+
+    /**
+     * The template to show when authentication failed
+     */
+    protected function showAuthFailed(): TemplateResponse {
+        $templateParameters = ['share' => $this->share, 'wrongpw' => true];
+
+        $event = new GenericEvent(null, $templateParameters);
+        $this->eventDispatcher->dispatch('OCA\Files_Sharing::loadAdditionalScripts::publicShareAuth', $event);
+
+        $response = new TemplateResponse('core', 'publicshareauth', $templateParameters, 'guest');
+        if ($this->share->getSendPasswordByTalk()) {
+            $csp = new ContentSecurityPolicy();
+            $csp->addAllowedConnectDomain('*');
+            $csp->addAllowedMediaDomain('blob:');
+            $response->setContentSecurityPolicy($csp);
+        }
+
+        return $response;
+    }
+
+    protected function verifyPassword(string $password): bool {
+        return $this->shareManager->checkPassword($this->share, $password);
+    }
+
+    protected function getPasswordHash(): string {
+        return $this->share->getPassword();
+    }
+
+    public function isValidToken(): bool {
+        try {
+            $this->share = $this->shareManager->getShareByToken($this->getToken());
+        } catch (ShareNotFound $e) {
+            return false;
+        }
+
+        return true;
+    }
+
+    protected function isPasswordProtected(): bool {
+        return $this->share->getPassword() !== null;
+    }
+
+    protected function authSucceeded() {
+        // For share this was always set so it is still used in other apps
+        $this->session->set('public_link_authenticated', (string)$this->share->getId());
+    }
+
+    protected function authFailed() {
+        $this->emitAccessShareHook($this->share, 403, 'Wrong password');
+    }
+
+    /**
+     * throws hooks when a share is attempted to be accessed
+     *
+     * @param \OCP\Share\IShare|string $share the Share instance if available,
+     * otherwise token
+     * @param int $errorCode
+     * @param string $errorMessage
+     * @throws \OC\HintException
+     * @throws \OC\ServerNotAvailableException
+     */
+    protected function emitAccessShareHook($share, $errorCode = 200, $errorMessage = '') {
+        $itemType = $itemSource = $uidOwner = '';
+        $token = $share;
+        $exception = null;
+        if($share instanceof \OCP\Share\IShare) {
+            try {
+                $token = $share->getToken();
+                $uidOwner = $share->getSharedBy();
+                $itemType = $share->getNodeType();
+                $itemSource = $share->getNodeId();
+            } catch (\Exception $e) {
+                // we log what we know and pass on the exception afterwards
+                $exception = $e;
+            }
+        }
+        \OC_Hook::emit(Share::class, 'share_link_access', [
+            'itemType' => $itemType,
+            'itemSource' => $itemSource,
+            'uidOwner' => $uidOwner,
+            'token' => $token,
+            'errorCode' => $errorCode,
+            'errorMessage' => $errorMessage,
+        ]);
+        if(!is_null($exception)) {
+            throw $exception;
+        }
+    }
+
+    /**
+     * Validate the permissions of the share
+     *
+     * @param Share\IShare $share
+     * @return bool
+     */
+    private function validateShare(\OCP\Share\IShare $share) {
+        // If the owner is disabled no access to the linke is granted
+        $owner = $this->userManager->get($share->getShareOwner());
+        if ($owner === null || !$owner->isEnabled()) {
+            return false;
+        }
+
+        // If the initiator of the share is disabled no access is granted
+        $initiator = $this->userManager->get($share->getSharedBy());
+        if ($initiator === null || !$initiator->isEnabled()) {
+            return false;
+        }
+
+        return $share->getNode()->isReadable() && $share->getNode()->isShareable();
+    }
+
+    /**
+     * @PublicPage
+     * @NoCSRFRequired
+     *
+     * @param string $path
+     * @return TemplateResponse
+     * @throws NotFoundException
+     * @throws \Exception
+     */
+    public function showShare($path = ''): TemplateResponse {
+        \OC_User::setIncognitoMode(true);
+
+        // Check whether share exists
+        try {
+            $share = $this->shareManager->getShareByToken($this->getToken());
+        } catch (ShareNotFound $e) {
+            $this->emitAccessShareHook($this->getToken(), 404, 'Share not found');
+            throw new NotFoundException();
+        }
+
+        if (!$this->validateShare($share)) {
+            throw new NotFoundException();
+        }
+
+        $shareNode = $share->getNode();
+
+        // We can't get the path of a file share
+        try {
+            if ($shareNode instanceof \OCP\Files\File && $path !== '') {
+                $this->emitAccessShareHook($share, 404, 'Share not found');
+                throw new NotFoundException();
+            }
+        } catch (\Exception $e) {
+            $this->emitAccessShareHook($share, 404, 'Share not found');
+            throw $e;
+        }
+
+        $shareTmpl = [];
+        $shareTmpl['displayName'] = $this->userManager->get($share->getShareOwner())->getDisplayName();
+        $shareTmpl['owner'] = $share->getShareOwner();
+        $shareTmpl['filename'] = $shareNode->getName();
+        $shareTmpl['directory_path'] = $share->getTarget();
+        $shareTmpl['note'] = $share->getNote();
+        $shareTmpl['mimetype'] = $shareNode->getMimetype();
+        $shareTmpl['previewSupported'] = $this->previewManager->isMimeSupported($shareNode->getMimetype());
+        $shareTmpl['dirToken'] = $this->getToken();
+        $shareTmpl['sharingToken'] = $this->getToken();
+        $shareTmpl['server2serversharing'] = $this->federatedShareProvider->isOutgoingServer2serverShareEnabled();
+        $shareTmpl['protected'] = $share->getPassword() !== null ? 'true' : 'false';
+        $shareTmpl['dir'] = '';
+        $shareTmpl['nonHumanFileSize'] = $shareNode->getSize();
+        $shareTmpl['fileSize'] = \OCP\Util::humanFileSize($shareNode->getSize());
+        $shareTmpl['hideDownload'] = $share->getHideDownload();
+
+        $hideFileList = false;
+
+        if ($shareNode instanceof \OCP\Files\Folder) {
+
+            $shareIsFolder = true;
+
+            try {
+                $folderNode = $shareNode->get($path);
+            } catch (\OCP\Files\NotFoundException $e) {
+                $this->emitAccessShareHook($share, 404, 'Share not found');
+                throw new NotFoundException();
+            }
+
+            $shareTmpl['dir'] = $shareNode->getRelativePath($folderNode->getPath());
+
+            /*
 			 * The OC_Util methods require a view. This just uses the node API
 			 */
-			$freeSpace = $share->getNode()->getStorage()->free_space($share->getNode()->getInternalPath());
-			if ($freeSpace < \OCP\Files\FileInfo::SPACE_UNLIMITED) {
-				$freeSpace = max($freeSpace, 0);
-			} else {
-				$freeSpace = (INF > 0) ? INF: PHP_INT_MAX; // work around https://bugs.php.net/bug.php?id=69188
-			}
-
-			$hideFileList = !($share->getPermissions() & \OCP\Constants::PERMISSION_READ);
-			$maxUploadFilesize = $freeSpace;
-
-			$folder = new Template('files', 'list', '');
-
-			$folder->assign('dir', $shareNode->getRelativePath($folderNode->getPath()));
-			$folder->assign('dirToken', $this->getToken());
-			$folder->assign('permissions', \OCP\Constants::PERMISSION_READ);
-			$folder->assign('isPublic', true);
-			$folder->assign('hideFileList', $hideFileList);
-			$folder->assign('publicUploadEnabled', 'no');
-			// default to list view
-			$folder->assign('showgridview', false);
-			$folder->assign('uploadMaxFilesize', $maxUploadFilesize);
-			$folder->assign('uploadMaxHumanFilesize', \OCP\Util::humanFileSize($maxUploadFilesize));
-			$folder->assign('freeSpace', $freeSpace);
-			$folder->assign('usedSpacePercent', 0);
-			$folder->assign('trash', false);
-			$shareTmpl['folder'] = $folder->fetchPage();
-		} else {
-			$shareIsFolder = false;
-		}
-
-		// default to list view
-		$shareTmpl['showgridview'] = false;
-
-		$shareTmpl['hideFileList'] = $hideFileList;
-		$shareTmpl['shareOwner'] = $this->userManager->get($share->getShareOwner())->getDisplayName();
-		$shareTmpl['downloadURL'] = $this->urlGenerator->linkToRouteAbsolute('files_sharing.sharecontroller.downloadShare', ['token' => $this->getToken()]);
-		$shareTmpl['shareUrl'] = $this->urlGenerator->linkToRouteAbsolute('files_sharing.sharecontroller.showShare', ['token' => $this->getToken()]);
-		$shareTmpl['maxSizeAnimateGif'] = $this->config->getSystemValue('max_filesize_animated_gifs_public_sharing', 10);
-		$shareTmpl['previewEnabled'] = $this->config->getSystemValue('enable_previews', true);
-		$shareTmpl['previewMaxX'] = $this->config->getSystemValue('preview_max_x', 1024);
-		$shareTmpl['previewMaxY'] = $this->config->getSystemValue('preview_max_y', 1024);
-		$shareTmpl['disclaimer'] = $this->config->getAppValue('core', 'shareapi_public_link_disclaimertext', null);
-		$shareTmpl['previewURL'] = $shareTmpl['downloadURL'];
-
-		if ($shareTmpl['previewSupported']) {
-			$shareTmpl['previewImage'] = $this->urlGenerator->linkToRouteAbsolute( 'files_sharing.PublicPreview.getPreview',
-				['x' => 200, 'y' => 200, 'file' => $shareTmpl['directory_path'], 'token' => $shareTmpl['dirToken']]);
-			$ogPreview = $shareTmpl['previewImage'];
-
-			// We just have direct previews for image files
-			if ($shareNode->getMimePart() === 'image') {
-				$shareTmpl['previewURL'] = $this->urlGenerator->linkToRouteAbsolute('files_sharing.publicpreview.directLink', ['token' => $this->getToken()]);
-
-				$ogPreview = $shareTmpl['previewURL'];
-
-				//Whatapp is kind of picky about their size requirements
-				if ($this->request->isUserAgent(['/^WhatsApp/'])) {
-					$ogPreview = $this->urlGenerator->linkToRouteAbsolute('files_sharing.PublicPreview.getPreview', [
-						'token' => $this->getToken(),
-						'x' => 256,
-						'y' => 256,
-						'a' => true,
-					]);
-				}
-			}
-		} else {
-			$shareTmpl['previewImage'] = $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'favicon-fb.png'));
-			$ogPreview = $shareTmpl['previewImage'];
-		}
-
-		// Load files we need
-		\OCP\Util::addScript('files', 'semaphore');
-		\OCP\Util::addScript('files', 'file-upload');
-		\OCP\Util::addStyle('files_sharing', 'publicView');
-		\OCP\Util::addScript('files_sharing', 'public');
-		\OCP\Util::addScript('files_sharing', 'templates');
-		\OCP\Util::addScript('files', 'fileactions');
-		\OCP\Util::addScript('files', 'fileactionsmenu');
-		\OCP\Util::addScript('files', 'jquery.fileupload');
-		\OCP\Util::addScript('files_sharing', 'files_drop');
-
-		if (isset($shareTmpl['folder'])) {
-			// JS required for folders
-			\OCP\Util::addStyle('files', 'merged');
-			\OCP\Util::addScript('files', 'filesummary');
-			\OCP\Util::addScript('files', 'templates');
-			\OCP\Util::addScript('files', 'breadcrumb');
-			\OCP\Util::addScript('files', 'fileinfomodel');
-			\OCP\Util::addScript('files', 'newfilemenu');
-			\OCP\Util::addScript('files', 'files');
-			\OCP\Util::addScript('files', 'filemultiselectmenu');
-			\OCP\Util::addScript('files', 'filelist');
-			\OCP\Util::addScript('files', 'keyboardshortcuts');
-			\OCP\Util::addScript('files', 'operationprogressbar');
-
-			// Load Viewer scripts
-			if (class_exists(LoadViewer::class)) {
-				$this->eventDispatcher->dispatch(LoadViewer::class, new LoadViewer());
-			}
-		}
-
-		// OpenGraph Support: http://ogp.me/
-		\OCP\Util::addHeader('meta', ['property' => "og:title", 'content' => $shareTmpl['filename']]);
-		\OCP\Util::addHeader('meta', ['property' => "og:description", 'content' => $this->defaults->getName() . ($this->defaults->getSlogan() !== '' ? ' - ' . $this->defaults->getSlogan() : '')]);
-		\OCP\Util::addHeader('meta', ['property' => "og:site_name", 'content' => $this->defaults->getName()]);
-		\OCP\Util::addHeader('meta', ['property' => "og:url", 'content' => $shareTmpl['shareUrl']]);
-		\OCP\Util::addHeader('meta', ['property' => "og:type", 'content' => "object"]);
-		\OCP\Util::addHeader('meta', ['property' => "og:image", 'content' => $ogPreview]);
-
-		$event = new GenericEvent(null, ['share' => $share]);
-		$this->eventDispatcher->dispatch('OCA\Files_Sharing::loadAdditionalScripts', $event);
-
-		$csp = new \OCP\AppFramework\Http\ContentSecurityPolicy();
-		$csp->addAllowedFrameDomain('\'self\'');
-
-		$response = new PublicTemplateResponse($this->appName, 'public', $shareTmpl);
-		$response->setHeaderTitle($shareTmpl['filename']);
-		$response->setHeaderDetails($this->l10n->t('shared by %s', [$shareTmpl['displayName']]));
-
-		$isNoneFileDropFolder = $shareIsFolder === false || $share->getPermissions() !== \OCP\Constants::PERMISSION_CREATE;
-
-		if ($isNoneFileDropFolder && !$share->getHideDownload()) {
-			\OCP\Util::addScript('files_sharing', 'public_note');
-
-			$downloadWhite = new SimpleMenuAction('download', $this->l10n->t('Download'), 'icon-download-white', $shareTmpl['downloadURL'], 0);
-			$downloadAllWhite = new SimpleMenuAction('download', $this->l10n->t('Download all files'), 'icon-download-white', $shareTmpl['downloadURL'], 0);
-			$download = new SimpleMenuAction('download', $this->l10n->t('Download'), 'icon-download', $shareTmpl['downloadURL'], 10, $shareTmpl['fileSize']);
-			$downloadAll = new SimpleMenuAction('download', $this->l10n->t('Download all files'), 'icon-download', $shareTmpl['downloadURL'], 10, $shareTmpl['fileSize']);
-			$directLink = new LinkMenuAction($this->l10n->t('Direct link'), 'icon-public', $shareTmpl['previewURL']);
-			$externalShare = new ExternalShareMenuAction($this->l10n->t('Add to your Nextcloud'), 'icon-external', $shareTmpl['owner'], $shareTmpl['displayName'], $shareTmpl['filename']);
-
-			$responseComposer = [];
-
-			if ($shareIsFolder) {
-				$responseComposer[] = $downloadAllWhite;
-				$responseComposer[] = $downloadAll;
-			} else {
-				$responseComposer[] = $downloadWhite;
-				$responseComposer[] = $download;
-			}
-			$responseComposer[] = $directLink;
-			if ($this->federatedShareProvider->isOutgoingServer2serverShareEnabled()) {
-				$responseComposer[] = $externalShare;
-			}
-
-			$response->setHeaderActions($responseComposer);
-		}
-
-		$response->setContentSecurityPolicy($csp);
-
-		$this->emitAccessShareHook($share);
-
-		return $response;
-	}
-
-	/**
-	 * @PublicPage
-	 * @NoCSRFRequired
-	 *
-	 * @param string $token
-	 * @param string $files
-	 * @param string $path
-	 * @param string $downloadStartSecret
-	 * @return void|\OCP\AppFramework\Http\Response
-	 * @throws NotFoundException
-	 */
-	public function downloadShare($token, $files = null, $path = '', $downloadStartSecret = '') {
-		\OC_User::setIncognitoMode(true);
-
-		$share = $this->shareManager->getShareByToken($token);
-
-		if(!($share->getPermissions() & \OCP\Constants::PERMISSION_READ)) {
-			return new \OCP\AppFramework\Http\DataResponse('Share is read-only');
-		}
-
-		$files_list = null;
-		if (!is_null($files)) { // download selected files
-			$files_list = json_decode($files);
-			// in case we get only a single file
-			if ($files_list === null) {
-				$files_list = [$files];
-			}
-			// Just in case $files is a single int like '1234'
-			if (!is_array($files_list)) {
-				$files_list = [$files_list];
-			}
-		}
-
-		if (!$this->validateShare($share)) {
-			throw new NotFoundException();
-		}
-
-		$userFolder = $this->rootFolder->getUserFolder($share->getShareOwner());
-		$originalSharePath = $userFolder->getRelativePath($share->getNode()->getPath());
-
-
-		// Single file share
-		if ($share->getNode() instanceof \OCP\Files\File) {
-			// Single file download
-			$this->singleFileDownloaded($share, $share->getNode());
-		}
-		// Directory share
-		else {
-			/** @var \OCP\Files\Folder $node */
-			$node = $share->getNode();
-
-			// Try to get the path
-			if ($path !== '') {
-				try {
-					$node = $node->get($path);
-				} catch (NotFoundException $e) {
-					$this->emitAccessShareHook($share, 404, 'Share not found');
-					return new NotFoundResponse();
-				}
-			}
-
-			$originalSharePath = $userFolder->getRelativePath($node->getPath());
-
-			if ($node instanceof \OCP\Files\File) {
-				// Single file download
-				$this->singleFileDownloaded($share, $share->getNode());
-			} else {
-				try {
-					if (!empty($files_list)) {
-						$this->fileListDownloaded($share, $files_list, $node);
-					} else {
-						// The folder is downloaded
-						$this->singleFileDownloaded($share, $share->getNode());
-					}
-				} catch (NotFoundException $e) {
-					return new NotFoundResponse();
-				}
-			}
-		}
-
-		/* FIXME: We should do this all nicely in OCP */
-		OC_Util::tearDownFS();
-		OC_Util::setupFS($share->getShareOwner());
-
-		/**
-		 * this sets a cookie to be able to recognize the start of the download
-		 * the content must not be longer than 32 characters and must only contain
-		 * alphanumeric characters
-		 */
-		if (!empty($downloadStartSecret)
-			&& !isset($downloadStartSecret[32])
-			&& preg_match('!^[a-zA-Z0-9]+$!', $downloadStartSecret) === 1) {
-
-			// FIXME: set on the response once we use an actual app framework response
-			setcookie('ocDownloadStarted', $downloadStartSecret, time() + 20, '/');
-		}
-
-		$this->emitAccessShareHook($share);
-
-		$server_params = [ 'head' => $this->request->getMethod() === 'HEAD' ];
-
-		/**
-		 * Http range requests support
-		 */
-		if (isset($_SERVER['HTTP_RANGE'])) {
-			$server_params['range'] = $this->request->getHeader('Range');
-		}
-
-		// download selected files
-		if (!is_null($files) && $files !== '') {
-			// FIXME: The exit is required here because otherwise the AppFramework is trying to add headers as well
-			// after dispatching the request which results in a "Cannot modify header information" notice.
-			OC_Files::get($originalSharePath, $files_list, $server_params);
-			exit();
-		} else {
-			// FIXME: The exit is required here because otherwise the AppFramework is trying to add headers as well
-			// after dispatching the request which results in a "Cannot modify header information" notice.
-			OC_Files::get(dirname($originalSharePath), basename($originalSharePath), $server_params);
-			exit();
-		}
-	}
-
-	/**
-	 * create activity for every downloaded file
-	 *
-	 * @param Share\IShare $share
-	 * @param array $files_list
-	 * @param \OCP\Files\Folder $node
-	 * @throws NotFoundException when trying to download a folder or multiple files of a "hide download" share
-	 */
-	protected function fileListDownloaded(Share\IShare $share, array $files_list, \OCP\Files\Folder $node) {
-		if ($share->getHideDownload() && count($files_list) > 1) {
-			throw new NotFoundException('Downloading more than 1 file');
-		}
-
-		foreach ($files_list as $file) {
-			$subNode = $node->get($file);
-			$this->singleFileDownloaded($share, $subNode);
-		}
-
-	}
-
-	/**
-	 * create activity if a single file was downloaded from a link share
-	 *
-	 * @param Share\IShare $share
-	 * @throws NotFoundException when trying to download a folder of a "hide download" share
-	 */
-	protected function singleFileDownloaded(Share\IShare $share, \OCP\Files\Node $node) {
-		if ($share->getHideDownload() && $node instanceof Folder) {
-			throw new NotFoundException('Downloading a folder');
-		}
-
-		$fileId = $node->getId();
-
-		$userFolder = $this->rootFolder->getUserFolder($share->getSharedBy());
-		$userNodeList = $userFolder->getById($fileId);
-		$userNode = $userNodeList[0];
-		$ownerFolder = $this->rootFolder->getUserFolder($share->getShareOwner());
-		$userPath = $userFolder->getRelativePath($userNode->getPath());
-		$ownerPath = $ownerFolder->getRelativePath($node->getPath());
-
-		$parameters = [$userPath];
-
-		if ($share->getShareType() === \OCP\Share::SHARE_TYPE_EMAIL) {
-			if ($node instanceof \OCP\Files\File) {
-				$subject = Downloads::SUBJECT_SHARED_FILE_BY_EMAIL_DOWNLOADED;
-			} else {
-				$subject = Downloads::SUBJECT_SHARED_FOLDER_BY_EMAIL_DOWNLOADED;
-			}
-			$parameters[] = $share->getSharedWith();
-		} else {
-			if ($node instanceof \OCP\Files\File) {
-				$subject = Downloads::SUBJECT_PUBLIC_SHARED_FILE_DOWNLOADED;
-			} else {
-				$subject = Downloads::SUBJECT_PUBLIC_SHARED_FOLDER_DOWNLOADED;
-			}
-		}
-
-		$this->publishActivity($subject, $parameters, $share->getSharedBy(), $fileId, $userPath);
-
-		if ($share->getShareOwner() !== $share->getSharedBy()) {
-			$parameters[0] = $ownerPath;
-			$this->publishActivity($subject, $parameters, $share->getShareOwner(), $fileId, $ownerPath);
-		}
-	}
-
-	/**
-	 * publish activity
-	 *
-	 * @param string $subject
-	 * @param array $parameters
-	 * @param string $affectedUser
-	 * @param int $fileId
-	 * @param string $filePath
-	 */
-	protected function publishActivity($subject,
-										array $parameters,
-										$affectedUser,
-										$fileId,
-										$filePath) {
-
-		$event = $this->activityManager->generateEvent();
-		$event->setApp('files_sharing')
-			->setType('public_links')
-			->setSubject($subject, $parameters)
-			->setAffectedUser($affectedUser)
-			->setObject('files', $fileId, $filePath);
-		$this->activityManager->publish($event);
-	}
+            $freeSpace = $share->getNode()->getStorage()->free_space($share->getNode()->getInternalPath());
+            if ($freeSpace < \OCP\Files\FileInfo::SPACE_UNLIMITED) {
+                $freeSpace = max($freeSpace, 0);
+            } else {
+                $freeSpace = (INF > 0) ? INF: PHP_INT_MAX; // work around https://bugs.php.net/bug.php?id=69188
+            }
+
+            $hideFileList = !($share->getPermissions() & \OCP\Constants::PERMISSION_READ);
+            $maxUploadFilesize = $freeSpace;
+
+            $folder = new Template('files', 'list', '');
+
+            $folder->assign('dir', $shareNode->getRelativePath($folderNode->getPath()));
+            $folder->assign('dirToken', $this->getToken());
+            $folder->assign('permissions', \OCP\Constants::PERMISSION_READ);
+            $folder->assign('isPublic', true);
+            $folder->assign('hideFileList', $hideFileList);
+            $folder->assign('publicUploadEnabled', 'no');
+            // default to list view
+            $folder->assign('showgridview', false);
+            $folder->assign('uploadMaxFilesize', $maxUploadFilesize);
+            $folder->assign('uploadMaxHumanFilesize', \OCP\Util::humanFileSize($maxUploadFilesize));
+            $folder->assign('freeSpace', $freeSpace);
+            $folder->assign('usedSpacePercent', 0);
+            $folder->assign('trash', false);
+            $shareTmpl['folder'] = $folder->fetchPage();
+        } else {
+            $shareIsFolder = false;
+        }
+
+        // default to list view
+        $shareTmpl['showgridview'] = false;
+
+        $shareTmpl['hideFileList'] = $hideFileList;
+        $shareTmpl['shareOwner'] = $this->userManager->get($share->getShareOwner())->getDisplayName();
+        $shareTmpl['downloadURL'] = $this->urlGenerator->linkToRouteAbsolute('files_sharing.sharecontroller.downloadShare', ['token' => $this->getToken()]);
+        $shareTmpl['shareUrl'] = $this->urlGenerator->linkToRouteAbsolute('files_sharing.sharecontroller.showShare', ['token' => $this->getToken()]);
+        $shareTmpl['maxSizeAnimateGif'] = $this->config->getSystemValue('max_filesize_animated_gifs_public_sharing', 10);
+        $shareTmpl['previewEnabled'] = $this->config->getSystemValue('enable_previews', true);
+        $shareTmpl['previewMaxX'] = $this->config->getSystemValue('preview_max_x', 1024);
+        $shareTmpl['previewMaxY'] = $this->config->getSystemValue('preview_max_y', 1024);
+        $shareTmpl['disclaimer'] = $this->config->getAppValue('core', 'shareapi_public_link_disclaimertext', null);
+        $shareTmpl['previewURL'] = $shareTmpl['downloadURL'];
+
+        if ($shareTmpl['previewSupported']) {
+            $shareTmpl['previewImage'] = $this->urlGenerator->linkToRouteAbsolute( 'files_sharing.PublicPreview.getPreview',
+                ['x' => 200, 'y' => 200, 'file' => $shareTmpl['directory_path'], 'token' => $shareTmpl['dirToken']]);
+            $ogPreview = $shareTmpl['previewImage'];
+
+            // We just have direct previews for image files
+            if ($shareNode->getMimePart() === 'image') {
+                $shareTmpl['previewURL'] = $this->urlGenerator->linkToRouteAbsolute('files_sharing.publicpreview.directLink', ['token' => $this->getToken()]);
+
+                $ogPreview = $shareTmpl['previewURL'];
+
+                //Whatapp is kind of picky about their size requirements
+                if ($this->request->isUserAgent(['/^WhatsApp/'])) {
+                    $ogPreview = $this->urlGenerator->linkToRouteAbsolute('files_sharing.PublicPreview.getPreview', [
+                        'token' => $this->getToken(),
+                        'x' => 256,
+                        'y' => 256,
+                        'a' => true,
+                    ]);
+                }
+            }
+        } else {
+            $shareTmpl['previewImage'] = $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'favicon-fb.png'));
+            $ogPreview = $shareTmpl['previewImage'];
+        }
+
+        // Load files we need
+        \OCP\Util::addScript('files', 'semaphore');
+        \OCP\Util::addScript('files', 'file-upload');
+        \OCP\Util::addStyle('files_sharing', 'publicView');
+        \OCP\Util::addScript('files_sharing', 'public');
+        \OCP\Util::addScript('files_sharing', 'templates');
+        \OCP\Util::addScript('files', 'fileactions');
+        \OCP\Util::addScript('files', 'fileactionsmenu');
+        \OCP\Util::addScript('files', 'jquery.fileupload');
+        \OCP\Util::addScript('files_sharing', 'files_drop');
+
+        if (isset($shareTmpl['folder'])) {
+            // JS required for folders
+            \OCP\Util::addStyle('files', 'merged');
+            \OCP\Util::addScript('files', 'filesummary');
+            \OCP\Util::addScript('files', 'templates');
+            \OCP\Util::addScript('files', 'breadcrumb');
+            \OCP\Util::addScript('files', 'fileinfomodel');
+            \OCP\Util::addScript('files', 'newfilemenu');
+            \OCP\Util::addScript('files', 'files');
+            \OCP\Util::addScript('files', 'filemultiselectmenu');
+            \OCP\Util::addScript('files', 'filelist');
+            \OCP\Util::addScript('files', 'keyboardshortcuts');
+            \OCP\Util::addScript('files', 'operationprogressbar');
+
+            // Load Viewer scripts
+            if (class_exists(LoadViewer::class)) {
+                $this->eventDispatcher->dispatch(LoadViewer::class, new LoadViewer());
+            }
+        }
+
+        // OpenGraph Support: http://ogp.me/
+        \OCP\Util::addHeader('meta', ['property' => "og:title", 'content' => $shareTmpl['filename']]);
+        \OCP\Util::addHeader('meta', ['property' => "og:description", 'content' => $this->defaults->getName() . ($this->defaults->getSlogan() !== '' ? ' - ' . $this->defaults->getSlogan() : '')]);
+        \OCP\Util::addHeader('meta', ['property' => "og:site_name", 'content' => $this->defaults->getName()]);
+        \OCP\Util::addHeader('meta', ['property' => "og:url", 'content' => $shareTmpl['shareUrl']]);
+        \OCP\Util::addHeader('meta', ['property' => "og:type", 'content' => "object"]);
+        \OCP\Util::addHeader('meta', ['property' => "og:image", 'content' => $ogPreview]);
+
+        $event = new GenericEvent(null, ['share' => $share]);
+        $this->eventDispatcher->dispatch('OCA\Files_Sharing::loadAdditionalScripts', $event);
+
+        $csp = new \OCP\AppFramework\Http\ContentSecurityPolicy();
+        $csp->addAllowedFrameDomain('\'self\'');
+
+        $response = new PublicTemplateResponse($this->appName, 'public', $shareTmpl);
+        $response->setHeaderTitle($shareTmpl['filename']);
+        $response->setHeaderDetails($this->l10n->t('shared by %s', [$shareTmpl['displayName']]));
+
+        $isNoneFileDropFolder = $shareIsFolder === false || $share->getPermissions() !== \OCP\Constants::PERMISSION_CREATE;
+
+        if ($isNoneFileDropFolder && !$share->getHideDownload()) {
+            \OCP\Util::addScript('files_sharing', 'public_note');
+
+            $downloadWhite = new SimpleMenuAction('download', $this->l10n->t('Download'), 'icon-download-white', $shareTmpl['downloadURL'], 0);
+            $downloadAllWhite = new SimpleMenuAction('download', $this->l10n->t('Download all files'), 'icon-download-white', $shareTmpl['downloadURL'], 0);
+            $download = new SimpleMenuAction('download', $this->l10n->t('Download'), 'icon-download', $shareTmpl['downloadURL'], 10, $shareTmpl['fileSize']);
+            $downloadAll = new SimpleMenuAction('download', $this->l10n->t('Download all files'), 'icon-download', $shareTmpl['downloadURL'], 10, $shareTmpl['fileSize']);
+            $directLink = new LinkMenuAction($this->l10n->t('Direct link'), 'icon-public', $shareTmpl['previewURL']);
+            $externalShare = new ExternalShareMenuAction($this->l10n->t('Add to your Nextcloud'), 'icon-external', $shareTmpl['owner'], $shareTmpl['displayName'], $shareTmpl['filename']);
+
+            $responseComposer = [];
+
+            if ($shareIsFolder) {
+                $responseComposer[] = $downloadAllWhite;
+                $responseComposer[] = $downloadAll;
+            } else {
+                $responseComposer[] = $downloadWhite;
+                $responseComposer[] = $download;
+            }
+            $responseComposer[] = $directLink;
+            if ($this->federatedShareProvider->isOutgoingServer2serverShareEnabled()) {
+                $responseComposer[] = $externalShare;
+            }
+
+            $response->setHeaderActions($responseComposer);
+        }
+
+        $response->setContentSecurityPolicy($csp);
+
+        $this->emitAccessShareHook($share);
+
+        return $response;
+    }
+
+    /**
+     * @PublicPage
+     * @NoCSRFRequired
+     *
+     * @param string $token
+     * @param string $files
+     * @param string $path
+     * @param string $downloadStartSecret
+     * @return void|\OCP\AppFramework\Http\Response
+     * @throws NotFoundException
+     */
+    public function downloadShare($token, $files = null, $path = '', $downloadStartSecret = '') {
+        \OC_User::setIncognitoMode(true);
+
+        $share = $this->shareManager->getShareByToken($token);
+
+        if(!($share->getPermissions() & \OCP\Constants::PERMISSION_READ)) {
+            return new \OCP\AppFramework\Http\DataResponse('Share is read-only');
+        }
+
+        $files_list = null;
+        if (!is_null($files)) { // download selected files
+            $files_list = json_decode($files);
+            // in case we get only a single file
+            if ($files_list === null) {
+                $files_list = [$files];
+            }
+            // Just in case $files is a single int like '1234'
+            if (!is_array($files_list)) {
+                $files_list = [$files_list];
+            }
+        }
+
+        if (!$this->validateShare($share)) {
+            throw new NotFoundException();
+        }
+
+        $userFolder = $this->rootFolder->getUserFolder($share->getShareOwner());
+        $originalSharePath = $userFolder->getRelativePath($share->getNode()->getPath());
+
+
+        // Single file share
+        if ($share->getNode() instanceof \OCP\Files\File) {
+            // Single file download
+            $this->singleFileDownloaded($share, $share->getNode());
+        }
+        // Directory share
+        else {
+            /** @var \OCP\Files\Folder $node */
+            $node = $share->getNode();
+
+            // Try to get the path
+            if ($path !== '') {
+                try {
+                    $node = $node->get($path);
+                } catch (NotFoundException $e) {
+                    $this->emitAccessShareHook($share, 404, 'Share not found');
+                    return new NotFoundResponse();
+                }
+            }
+
+            $originalSharePath = $userFolder->getRelativePath($node->getPath());
+
+            if ($node instanceof \OCP\Files\File) {
+                // Single file download
+                $this->singleFileDownloaded($share, $share->getNode());
+            } else {
+                try {
+                    if (!empty($files_list)) {
+                        $this->fileListDownloaded($share, $files_list, $node);
+                    } else {
+                        // The folder is downloaded
+                        $this->singleFileDownloaded($share, $share->getNode());
+                    }
+                } catch (NotFoundException $e) {
+                    return new NotFoundResponse();
+                }
+            }
+        }
+
+        /* FIXME: We should do this all nicely in OCP */
+        OC_Util::tearDownFS();
+        OC_Util::setupFS($share->getShareOwner());
+
+        /**
+         * this sets a cookie to be able to recognize the start of the download
+         * the content must not be longer than 32 characters and must only contain
+         * alphanumeric characters
+         */
+        if (!empty($downloadStartSecret)
+            && !isset($downloadStartSecret[32])
+            && preg_match('!^[a-zA-Z0-9]+$!', $downloadStartSecret) === 1) {
+
+            // FIXME: set on the response once we use an actual app framework response
+            setcookie('ocDownloadStarted', $downloadStartSecret, time() + 20, '/');
+        }
+
+        $this->emitAccessShareHook($share);
+
+        $server_params = [ 'head' => $this->request->getMethod() === 'HEAD' ];
+
+        /**
+         * Http range requests support
+         */
+        if (isset($_SERVER['HTTP_RANGE'])) {
+            $server_params['range'] = $this->request->getHeader('Range');
+        }
+
+        // download selected files
+        if (!is_null($files) && $files !== '') {
+            // FIXME: The exit is required here because otherwise the AppFramework is trying to add headers as well
+            // after dispatching the request which results in a "Cannot modify header information" notice.
+            OC_Files::get($originalSharePath, $files_list, $server_params);
+            exit();
+        } else {
+            // FIXME: The exit is required here because otherwise the AppFramework is trying to add headers as well
+            // after dispatching the request which results in a "Cannot modify header information" notice.
+            OC_Files::get(dirname($originalSharePath), basename($originalSharePath), $server_params);
+            exit();
+        }
+    }
+
+    /**
+     * create activity for every downloaded file
+     *
+     * @param Share\IShare $share
+     * @param array $files_list
+     * @param \OCP\Files\Folder $node
+     * @throws NotFoundException when trying to download a folder or multiple files of a "hide download" share
+     */
+    protected function fileListDownloaded(Share\IShare $share, array $files_list, \OCP\Files\Folder $node) {
+        if ($share->getHideDownload() && count($files_list) > 1) {
+            throw new NotFoundException('Downloading more than 1 file');
+        }
+
+        foreach ($files_list as $file) {
+            $subNode = $node->get($file);
+            $this->singleFileDownloaded($share, $subNode);
+        }
+
+    }
+
+    /**
+     * create activity if a single file was downloaded from a link share
+     *
+     * @param Share\IShare $share
+     * @throws NotFoundException when trying to download a folder of a "hide download" share
+     */
+    protected function singleFileDownloaded(Share\IShare $share, \OCP\Files\Node $node) {
+        if ($share->getHideDownload() && $node instanceof Folder) {
+            throw new NotFoundException('Downloading a folder');
+        }
+
+        $fileId = $node->getId();
+
+        $userFolder = $this->rootFolder->getUserFolder($share->getSharedBy());
+        $userNodeList = $userFolder->getById($fileId);
+        $userNode = $userNodeList[0];
+        $ownerFolder = $this->rootFolder->getUserFolder($share->getShareOwner());
+        $userPath = $userFolder->getRelativePath($userNode->getPath());
+        $ownerPath = $ownerFolder->getRelativePath($node->getPath());
+
+        $parameters = [$userPath];
+
+        if ($share->getShareType() === \OCP\Share::SHARE_TYPE_EMAIL) {
+            if ($node instanceof \OCP\Files\File) {
+                $subject = Downloads::SUBJECT_SHARED_FILE_BY_EMAIL_DOWNLOADED;
+            } else {
+                $subject = Downloads::SUBJECT_SHARED_FOLDER_BY_EMAIL_DOWNLOADED;
+            }
+            $parameters[] = $share->getSharedWith();
+        } else {
+            if ($node instanceof \OCP\Files\File) {
+                $subject = Downloads::SUBJECT_PUBLIC_SHARED_FILE_DOWNLOADED;
+            } else {
+                $subject = Downloads::SUBJECT_PUBLIC_SHARED_FOLDER_DOWNLOADED;
+            }
+        }
+
+        $this->publishActivity($subject, $parameters, $share->getSharedBy(), $fileId, $userPath);
+
+        if ($share->getShareOwner() !== $share->getSharedBy()) {
+            $parameters[0] = $ownerPath;
+            $this->publishActivity($subject, $parameters, $share->getShareOwner(), $fileId, $ownerPath);
+        }
+    }
+
+    /**
+     * publish activity
+     *
+     * @param string $subject
+     * @param array $parameters
+     * @param string $affectedUser
+     * @param int $fileId
+     * @param string $filePath
+     */
+    protected function publishActivity($subject,
+                                        array $parameters,
+                                        $affectedUser,
+                                        $fileId,
+                                        $filePath) {
+
+        $event = $this->activityManager->generateEvent();
+        $event->setApp('files_sharing')
+            ->setType('public_links')
+            ->setSubject($subject, $parameters)
+            ->setAffectedUser($affectedUser)
+            ->setObject('files', $fileId, $filePath);
+        $this->activityManager->publish($event);
+    }
 
 
 }

apps/user_ldap/ajax/deleteConfiguration.php

Indentation +3 added lines, -3 removed lines

@@ -33,8 +33,8 @@
 $prefix = (string)$_POST['ldap_serverconfig_chooser'];
 $helper = new \OCA\User_LDAP\Helper(\OC::$server->getConfig());
 if($helper->deleteServerConfiguration($prefix)) {
-	\OC_JSON::success();
+    \OC_JSON::success();
 } else {
-	$l = \OC::$server->getL10N('user_ldap');
-	\OC_JSON::error(['message' => $l->t('Failed to delete the server configuration')]);
+    $l = \OC::$server->getL10N('user_ldap');
+    \OC_JSON::error(['message' => $l->t('Failed to delete the server configuration')]);
 }

apps/user_ldap/ajax/wizard.php

Indentation +85 added lines, -85 removed lines

@@ -36,13 +36,13 @@ 
 $l = \OC::$server->getL10N('user_ldap');
 
 if(!isset($_POST['action'])) {
-	\OC_JSON::error(['message' => $l->t('No action specified')]);
+    \OC_JSON::error(['message' => $l->t('No action specified')]);
 }
 $action = (string)$_POST['action'];
 
 
 if(!isset($_POST['ldap_serverconfig_chooser'])) {
-	\OC_JSON::error(['message' => $l->t('No configuration specified')]);
+    \OC_JSON::error(['message' => $l->t('No configuration specified')]);
 }
 $prefix = (string)$_POST['ldap_serverconfig_chooser'];
 
@@ -55,96 +55,96 @@ 
 $con->setIgnoreValidation(true);
 
 $userManager = new \OCA\User_LDAP\User\Manager(
-	\OC::$server->getConfig(),
-	new \OCA\User_LDAP\FilesystemHelper(),
-	new \OCA\User_LDAP\LogWrapper(),
-	\OC::$server->getAvatarManager(),
-	new \OCP\Image(),
-	\OC::$server->getDatabaseConnection(),
-	\OC::$server->getUserManager(),
-	\OC::$server->getNotificationManager());
+    \OC::$server->getConfig(),
+    new \OCA\User_LDAP\FilesystemHelper(),
+    new \OCA\User_LDAP\LogWrapper(),
+    \OC::$server->getAvatarManager(),
+    new \OCP\Image(),
+    \OC::$server->getDatabaseConnection(),
+    \OC::$server->getUserManager(),
+    \OC::$server->getNotificationManager());
 
 $access = new \OCA\User_LDAP\Access(
-	$con,
-	$ldapWrapper,
-	$userManager,
-	new \OCA\User_LDAP\Helper(\OC::$server->getConfig()),
-	\OC::$server->getConfig(),
-	\OC::$server->getUserManager()
+    $con,
+    $ldapWrapper,
+    $userManager,
+    new \OCA\User_LDAP\Helper(\OC::$server->getConfig()),
+    \OC::$server->getConfig(),
+    \OC::$server->getUserManager()
 );
 
 $wizard = new \OCA\User_LDAP\Wizard($configuration, $ldapWrapper, $access);
 
 switch($action) {
-	case 'guessPortAndTLS':
-	case 'guessBaseDN':
-	case 'detectEmailAttribute':
-	case 'detectUserDisplayNameAttribute':
-	case 'determineGroupMemberAssoc':
-	case 'determineUserObjectClasses':
-	case 'determineGroupObjectClasses':
-	case 'determineGroupsForUsers':
-	case 'determineGroupsForGroups':
-	case 'determineAttributes':
-	case 'getUserListFilter':
-	case 'getUserLoginFilter':
-	case 'getGroupFilter':
-	case 'countUsers':
-	case 'countGroups':
-	case 'countInBaseDN':
-		try {
-			$result = $wizard->$action();
-			if($result !== false) {
-				\OC_JSON::success($result->getResultArray());
-				exit;
-			}
-		} catch (\Exception $e) {
-			\OC_JSON::error(['message' => $e->getMessage(), 'code' => $e->getCode()]);
-			exit;
-		}
-		\OC_JSON::error();
-		exit;
-		break;
+    case 'guessPortAndTLS':
+    case 'guessBaseDN':
+    case 'detectEmailAttribute':
+    case 'detectUserDisplayNameAttribute':
+    case 'determineGroupMemberAssoc':
+    case 'determineUserObjectClasses':
+    case 'determineGroupObjectClasses':
+    case 'determineGroupsForUsers':
+    case 'determineGroupsForGroups':
+    case 'determineAttributes':
+    case 'getUserListFilter':
+    case 'getUserLoginFilter':
+    case 'getGroupFilter':
+    case 'countUsers':
+    case 'countGroups':
+    case 'countInBaseDN':
+        try {
+            $result = $wizard->$action();
+            if($result !== false) {
+                \OC_JSON::success($result->getResultArray());
+                exit;
+            }
+        } catch (\Exception $e) {
+            \OC_JSON::error(['message' => $e->getMessage(), 'code' => $e->getCode()]);
+            exit;
+        }
+        \OC_JSON::error();
+        exit;
+        break;
 
-	case 'testLoginName': {
-		try {
-			$loginName = $_POST['ldap_test_loginname'];
-			$result = $wizard->$action($loginName);
-			if($result !== false) {
-				\OC_JSON::success($result->getResultArray());
-				exit;
-			}
-		} catch (\Exception $e) {
-			\OC_JSON::error(['message' => $e->getMessage()]);
-			exit;
-		}
-		\OC_JSON::error();
-		exit;
-		break;
-	}
+    case 'testLoginName': {
+        try {
+            $loginName = $_POST['ldap_test_loginname'];
+            $result = $wizard->$action($loginName);
+            if($result !== false) {
+                \OC_JSON::success($result->getResultArray());
+                exit;
+            }
+        } catch (\Exception $e) {
+            \OC_JSON::error(['message' => $e->getMessage()]);
+            exit;
+        }
+        \OC_JSON::error();
+        exit;
+        break;
+    }
 
-	case 'save':
-		$key = isset($_POST['cfgkey']) ? $_POST['cfgkey'] : false;
-		$val = isset($_POST['cfgval']) ? $_POST['cfgval'] : null;
-		if($key === false || is_null($val)) {
-			\OC_JSON::error(['message' => $l->t('No data specified')]);
-			exit;
-		}
-		$cfg = [$key => $val];
-		$setParameters = [];
-		$configuration->setConfiguration($cfg, $setParameters);
-		if(!in_array($key, $setParameters)) {
-			\OC_JSON::error(['message' => $l->t($key.
-				' Could not set configuration %s', $setParameters[0])]);
-			exit;
-		}
-		$configuration->saveConfiguration();
-		//clear the cache on save
-		$connection = new \OCA\User_LDAP\Connection($ldapWrapper, $prefix);
-		$connection->clearCache();
-		\OC_JSON::success();
-		break;
-	default:
-		\OC_JSON::error(['message' => $l->t('Action does not exist')]);
-		break;
+    case 'save':
+        $key = isset($_POST['cfgkey']) ? $_POST['cfgkey'] : false;
+        $val = isset($_POST['cfgval']) ? $_POST['cfgval'] : null;
+        if($key === false || is_null($val)) {
+            \OC_JSON::error(['message' => $l->t('No data specified')]);
+            exit;
+        }
+        $cfg = [$key => $val];
+        $setParameters = [];
+        $configuration->setConfiguration($cfg, $setParameters);
+        if(!in_array($key, $setParameters)) {
+            \OC_JSON::error(['message' => $l->t($key.
+                ' Could not set configuration %s', $setParameters[0])]);
+            exit;
+        }
+        $configuration->saveConfiguration();
+        //clear the cache on save
+        $connection = new \OCA\User_LDAP\Connection($ldapWrapper, $prefix);
+        $connection->clearCache();
+        \OC_JSON::success();
+        break;
+    default:
+        \OC_JSON::error(['message' => $l->t('Action does not exist')]);
+        break;
 }

apps/user_ldap/ajax/getConfiguration.php

Indentation +2 added lines, -2 removed lines

@@ -35,7 +35,7 @@
 $connection = new \OCA\User_LDAP\Connection($ldapWrapper, $prefix);
 $configuration = $connection->getConfiguration();
 if (isset($configuration['ldap_agent_password']) && $configuration['ldap_agent_password'] !== '') {
-	// hide password
-	$configuration['ldap_agent_password'] = '**PASSWORD SET**';
+    // hide password
+    $configuration['ldap_agent_password'] = '**PASSWORD SET**';
 }
 \OC_JSON::success(['configuration' => $configuration]);

apps/user_ldap/ajax/testConfiguration.php

Indentation +32 added lines, -32 removed lines

@@ -39,24 +39,24 @@ 
 
 
 try {
-	$configurationOk = true;
-	$conf = $connection->getConfiguration();
-	if ($conf['ldap_configuration_active'] === '0') {
-		//needs to be true, otherwise it will also fail with an irritating message
-		$conf['ldap_configuration_active'] = '1';
-		$configurationOk = $connection->setConfiguration($conf);
-	}
-	if ($configurationOk) {
-		//Configuration is okay
-		/*
+    $configurationOk = true;
+    $conf = $connection->getConfiguration();
+    if ($conf['ldap_configuration_active'] === '0') {
+        //needs to be true, otherwise it will also fail with an irritating message
+        $conf['ldap_configuration_active'] = '1';
+        $configurationOk = $connection->setConfiguration($conf);
+    }
+    if ($configurationOk) {
+        //Configuration is okay
+        /*
 		 * Clossing the session since it won't be used from this point on. There might be a potential
 		 * race condition if a second request is made: either this request or the other might not
 		 * contact the LDAP backup server the first time when it should, but there shouldn't be any
 		 * problem with that other than the extra connection.
 		 */
-		\OC::$server->getSession()->close();
-		if ($connection->bind()) {
-			/*
+        \OC::$server->getSession()->close();
+        if ($connection->bind()) {
+            /*
 			 * This shiny if block is an ugly hack to find out whether anonymous
 			 * bind is possible on AD or not. Because AD happily and constantly
 			 * replies with success to any anonymous bind request, we need to
@@ -65,24 +65,24 @@ 
 			 * exception by the LDAP wrapper. We catch this. Other cases may
 			 * pass (like e.g. expected syntax error).
 			 */
-			try {
-				$ldapWrapper->read($connection->getConnectionResource(), '', 'objectClass=*', ['dn']);
-			} catch (\Exception $e) {
-				if($e->getCode() === 1) {
-					\OC_JSON::error(['message' => $l->t('Invalid configuration: Anonymous binding is not allowed.')]);
-					exit;
-				}
-			}
-			\OC_JSON::success(['message'
-			=> $l->t('Valid configuration, connection established!')]);
-		} else {
-			\OC_JSON::error(['message'
-			=> $l->t('Valid configuration, but binding failed. Please check the server settings and credentials.')]);
-		}
-	} else {
-		\OC_JSON::error(['message'
-		=> $l->t('Invalid configuration. Please have a look at the logs for further details.')]);
-	}
+            try {
+                $ldapWrapper->read($connection->getConnectionResource(), '', 'objectClass=*', ['dn']);
+            } catch (\Exception $e) {
+                if($e->getCode() === 1) {
+                    \OC_JSON::error(['message' => $l->t('Invalid configuration: Anonymous binding is not allowed.')]);
+                    exit;
+                }
+            }
+            \OC_JSON::success(['message'
+            => $l->t('Valid configuration, connection established!')]);
+        } else {
+            \OC_JSON::error(['message'
+            => $l->t('Valid configuration, but binding failed. Please check the server settings and credentials.')]);
+        }
+    } else {
+        \OC_JSON::error(['message'
+        => $l->t('Invalid configuration. Please have a look at the logs for further details.')]);
+    }
 } catch (\Exception $e) {
-	\OC_JSON::error(['message' => $e->getMessage()]);
+    \OC_JSON::error(['message' => $e->getMessage()]);
 }

apps/user_ldap/ajax/setConfiguration.php

Indentation +4 added lines, -4 removed lines

@@ -36,11 +36,11 @@
 // only legacy checkboxes (Advanced and Expert tab) need to be handled here,
 // the Wizard-like tabs handle it on their own
 $chkboxes = ['ldap_configuration_active', 'ldap_override_main_server',
-				  'ldap_turn_off_cert_check'];
+                    'ldap_turn_off_cert_check'];
 foreach($chkboxes as $boxid) {
-	if(!isset($_POST[$boxid])) {
-		$_POST[$boxid] = 0;
-	}
+    if(!isset($_POST[$boxid])) {
+        $_POST[$boxid] = 0;
+    }
 }
 
 $ldapWrapper = new OCA\User_LDAP\LDAP();

apps/user_ldap/ajax/clearMappings.php

Indentation +20 added lines, -20 removed lines

@@ -35,26 +35,26 @@
 $subject = (string)$_POST['ldap_clear_mapping'];
 $mapping = null;
 try {
-	if($subject === 'user') {
-		$mapping = new UserMapping(\OC::$server->getDatabaseConnection());
-		$result = $mapping->clearCb(
-			function ($uid) {
-				\OC::$server->getUserManager()->emit('\OC\User', 'preUnassignedUserId', [$uid]);
-			},
-			function ($uid) {
-				\OC::$server->getUserManager()->emit('\OC\User', 'postUnassignedUserId', [$uid]);
-			}
-		);
-	} else if($subject === 'group') {
-		$mapping = new GroupMapping(\OC::$server->getDatabaseConnection());
-		$result = $mapping->clear();
-	}
+    if($subject === 'user') {
+        $mapping = new UserMapping(\OC::$server->getDatabaseConnection());
+        $result = $mapping->clearCb(
+            function ($uid) {
+                \OC::$server->getUserManager()->emit('\OC\User', 'preUnassignedUserId', [$uid]);
+            },
+            function ($uid) {
+                \OC::$server->getUserManager()->emit('\OC\User', 'postUnassignedUserId', [$uid]);
+            }
+        );
+    } else if($subject === 'group') {
+        $mapping = new GroupMapping(\OC::$server->getDatabaseConnection());
+        $result = $mapping->clear();
+    }
 
-	if($mapping === null || !$result) {
-		$l = \OC::$server->getL10N('user_ldap');
-		throw new \Exception($l->t('Failed to clear the mappings.'));
-	}
-	\OC_JSON::success();
+    if($mapping === null || !$result) {
+        $l = \OC::$server->getL10N('user_ldap');
+        throw new \Exception($l->t('Failed to clear the mappings.'));
+    }
+    \OC_JSON::success();
 } catch (\Exception $e) {
-	\OC_JSON::error(['message' => $e->getMessage()]);
+    \OC_JSON::error(['message' => $e->getMessage()]);
 }

apps/user_ldap/templates/part.wizard-server.php

Indentation +6 added lines, -6 removed lines

@@ -2,14 +2,14 @@
 		<p>
 		<select id="ldap_serverconfig_chooser" name="ldap_serverconfig_chooser">
 		<?php
-		$i = 1;
-		$sel = ' selected';
-		foreach($_['serverConfigurationPrefixes'] as $prefix) {
-			?>
+        $i = 1;
+        $sel = ' selected';
+        foreach($_['serverConfigurationPrefixes'] as $prefix) {
+            ?>
 			<option value="<?php p($prefix); ?>"<?php p($sel); $sel = ''; ?>><?php p($l->t('%s. Server:', [$i++]));?> <?php p(' '.$_['serverConfigurationHosts'][$prefix]); ?></option>
 			<?php
-		}
-		?>
+        }
+        ?>
 		</select>
 		<button type="button" id="ldap_action_add_configuration"
 			name="ldap_action_add_configuration" class="icon-add icon-default-style"

apps/user_ldap/lib/Group_Proxy.php

Indentation +223 added lines, -223 removed lines

@@ -30,251 +30,251 @@
 use OCP\Group\Backend\IGetDisplayNameBackend;
 
 class Group_Proxy extends Proxy implements \OCP\GroupInterface, IGroupLDAP, IGetDisplayNameBackend {
-	private $backends = [];
-	private $refBackend = null;
+    private $backends = [];
+    private $refBackend = null;
 
-	/**
-	 * Constructor
-	 * @param string[] $serverConfigPrefixes array containing the config Prefixes
-	 */
-	public function __construct($serverConfigPrefixes, ILDAPWrapper $ldap, GroupPluginManager $groupPluginManager) {
-		parent::__construct($ldap);
-		foreach($serverConfigPrefixes as $configPrefix) {
-			$this->backends[$configPrefix] =
-				new \OCA\User_LDAP\Group_LDAP($this->getAccess($configPrefix), $groupPluginManager);
-			if(is_null($this->refBackend)) {
-				$this->refBackend = &$this->backends[$configPrefix];
-			}
-		}
-	}
+    /**
+     * Constructor
+     * @param string[] $serverConfigPrefixes array containing the config Prefixes
+     */
+    public function __construct($serverConfigPrefixes, ILDAPWrapper $ldap, GroupPluginManager $groupPluginManager) {
+        parent::__construct($ldap);
+        foreach($serverConfigPrefixes as $configPrefix) {
+            $this->backends[$configPrefix] =
+                new \OCA\User_LDAP\Group_LDAP($this->getAccess($configPrefix), $groupPluginManager);
+            if(is_null($this->refBackend)) {
+                $this->refBackend = &$this->backends[$configPrefix];
+            }
+        }
+    }
 
-	/**
-	 * Tries the backends one after the other until a positive result is returned from the specified method
-	 * @param string $gid the gid connected to the request
-	 * @param string $method the method of the group backend that shall be called
-	 * @param array $parameters an array of parameters to be passed
-	 * @return mixed, the result of the method or false
-	 */
-	protected function walkBackends($gid, $method, $parameters) {
-		$cacheKey = $this->getGroupCacheKey($gid);
-		foreach($this->backends as $configPrefix => $backend) {
-			if($result = call_user_func_array([$backend, $method], $parameters)) {
-				$this->writeToCache($cacheKey, $configPrefix);
-				return $result;
-			}
-		}
-		return false;
-	}
+    /**
+     * Tries the backends one after the other until a positive result is returned from the specified method
+     * @param string $gid the gid connected to the request
+     * @param string $method the method of the group backend that shall be called
+     * @param array $parameters an array of parameters to be passed
+     * @return mixed, the result of the method or false
+     */
+    protected function walkBackends($gid, $method, $parameters) {
+        $cacheKey = $this->getGroupCacheKey($gid);
+        foreach($this->backends as $configPrefix => $backend) {
+            if($result = call_user_func_array([$backend, $method], $parameters)) {
+                $this->writeToCache($cacheKey, $configPrefix);
+                return $result;
+            }
+        }
+        return false;
+    }
 
-	/**
-	 * Asks the backend connected to the server that supposely takes care of the gid from the request.
-	 * @param string $gid the gid connected to the request
-	 * @param string $method the method of the group backend that shall be called
-	 * @param array $parameters an array of parameters to be passed
-	 * @param mixed $passOnWhen the result matches this variable
-	 * @return mixed, the result of the method or false
-	 */
-	protected function callOnLastSeenOn($gid, $method, $parameters, $passOnWhen) {
-		$cacheKey = $this->getGroupCacheKey($gid);
-		$prefix = $this->getFromCache($cacheKey);
-		//in case the uid has been found in the past, try this stored connection first
-		if(!is_null($prefix)) {
-			if(isset($this->backends[$prefix])) {
-				$result = call_user_func_array([$this->backends[$prefix], $method], $parameters);
-				if($result === $passOnWhen) {
-					//not found here, reset cache to null if group vanished
-					//because sometimes methods return false with a reason
-					$groupExists = call_user_func_array(
-						[$this->backends[$prefix], 'groupExists'],
-						[$gid]
-					);
-					if(!$groupExists) {
-						$this->writeToCache($cacheKey, null);
-					}
-				}
-				return $result;
-			}
-		}
-		return false;
-	}
+    /**
+     * Asks the backend connected to the server that supposely takes care of the gid from the request.
+     * @param string $gid the gid connected to the request
+     * @param string $method the method of the group backend that shall be called
+     * @param array $parameters an array of parameters to be passed
+     * @param mixed $passOnWhen the result matches this variable
+     * @return mixed, the result of the method or false
+     */
+    protected function callOnLastSeenOn($gid, $method, $parameters, $passOnWhen) {
+        $cacheKey = $this->getGroupCacheKey($gid);
+        $prefix = $this->getFromCache($cacheKey);
+        //in case the uid has been found in the past, try this stored connection first
+        if(!is_null($prefix)) {
+            if(isset($this->backends[$prefix])) {
+                $result = call_user_func_array([$this->backends[$prefix], $method], $parameters);
+                if($result === $passOnWhen) {
+                    //not found here, reset cache to null if group vanished
+                    //because sometimes methods return false with a reason
+                    $groupExists = call_user_func_array(
+                        [$this->backends[$prefix], 'groupExists'],
+                        [$gid]
+                    );
+                    if(!$groupExists) {
+                        $this->writeToCache($cacheKey, null);
+                    }
+                }
+                return $result;
+            }
+        }
+        return false;
+    }
 
-	/**
-	 * is user in group?
-	 * @param string $uid uid of the user
-	 * @param string $gid gid of the group
-	 * @return bool
-	 *
-	 * Checks whether the user is member of a group or not.
-	 */
-	public function inGroup($uid, $gid) {
-		return $this->handleRequest($gid, 'inGroup', [$uid, $gid]);
-	}
+    /**
+     * is user in group?
+     * @param string $uid uid of the user
+     * @param string $gid gid of the group
+     * @return bool
+     *
+     * Checks whether the user is member of a group or not.
+     */
+    public function inGroup($uid, $gid) {
+        return $this->handleRequest($gid, 'inGroup', [$uid, $gid]);
+    }
 
-	/**
-	 * Get all groups a user belongs to
-	 * @param string $uid Name of the user
-	 * @return string[] with group names
-	 *
-	 * This function fetches all groups a user belongs to. It does not check
-	 * if the user exists at all.
-	 */
-	public function getUserGroups($uid) {
-		$groups = [];
+    /**
+     * Get all groups a user belongs to
+     * @param string $uid Name of the user
+     * @return string[] with group names
+     *
+     * This function fetches all groups a user belongs to. It does not check
+     * if the user exists at all.
+     */
+    public function getUserGroups($uid) {
+        $groups = [];
 
-		foreach($this->backends as $backend) {
-			$backendGroups = $backend->getUserGroups($uid);
-			if (is_array($backendGroups)) {
-				$groups = array_merge($groups, $backendGroups);
-			}
-		}
+        foreach($this->backends as $backend) {
+            $backendGroups = $backend->getUserGroups($uid);
+            if (is_array($backendGroups)) {
+                $groups = array_merge($groups, $backendGroups);
+            }
+        }
 
-		return $groups;
-	}
+        return $groups;
+    }
 
-	/**
-	 * get a list of all users in a group
-	 * @return string[] with user ids
-	 */
-	public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) {
-		$users = [];
+    /**
+     * get a list of all users in a group
+     * @return string[] with user ids
+     */
+    public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0) {
+        $users = [];
 
-		foreach($this->backends as $backend) {
-			$backendUsers = $backend->usersInGroup($gid, $search, $limit, $offset);
-			if (is_array($backendUsers)) {
-				$users = array_merge($users, $backendUsers);
-			}
-		}
+        foreach($this->backends as $backend) {
+            $backendUsers = $backend->usersInGroup($gid, $search, $limit, $offset);
+            if (is_array($backendUsers)) {
+                $users = array_merge($users, $backendUsers);
+            }
+        }
 
-		return $users;
-	}
+        return $users;
+    }
 
-	/**
-	 * @param string $gid
-	 * @return bool
-	 */
-	public function createGroup($gid) {
-		return $this->handleRequest(
-			$gid, 'createGroup', [$gid]);
-	}
+    /**
+     * @param string $gid
+     * @return bool
+     */
+    public function createGroup($gid) {
+        return $this->handleRequest(
+            $gid, 'createGroup', [$gid]);
+    }
 
-	/**
-	 * delete a group
-	 * @param string $gid gid of the group to delete
-	 * @return bool
-	 */
-	public function deleteGroup($gid) {
-		return $this->handleRequest(
-			$gid, 'deleteGroup', [$gid]);
-	}
+    /**
+     * delete a group
+     * @param string $gid gid of the group to delete
+     * @return bool
+     */
+    public function deleteGroup($gid) {
+        return $this->handleRequest(
+            $gid, 'deleteGroup', [$gid]);
+    }
 
-	/**
-	 * Add a user to a group
-	 * @param string $uid Name of the user to add to group
-	 * @param string $gid Name of the group in which add the user
-	 * @return bool
-	 *
-	 * Adds a user to a group.
-	 */
-	public function addToGroup($uid, $gid) {
-		return $this->handleRequest(
-			$gid, 'addToGroup', [$uid, $gid]);
-	}
+    /**
+     * Add a user to a group
+     * @param string $uid Name of the user to add to group
+     * @param string $gid Name of the group in which add the user
+     * @return bool
+     *
+     * Adds a user to a group.
+     */
+    public function addToGroup($uid, $gid) {
+        return $this->handleRequest(
+            $gid, 'addToGroup', [$uid, $gid]);
+    }
 
-	/**
-	 * Removes a user from a group
-	 * @param string $uid Name of the user to remove from group
-	 * @param string $gid Name of the group from which remove the user
-	 * @return bool
-	 *
-	 * removes the user from a group.
-	 */
-	public function removeFromGroup($uid, $gid) {
-		return $this->handleRequest(
-			$gid, 'removeFromGroup', [$uid, $gid]);
-	}
+    /**
+     * Removes a user from a group
+     * @param string $uid Name of the user to remove from group
+     * @param string $gid Name of the group from which remove the user
+     * @return bool
+     *
+     * removes the user from a group.
+     */
+    public function removeFromGroup($uid, $gid) {
+        return $this->handleRequest(
+            $gid, 'removeFromGroup', [$uid, $gid]);
+    }
 
-	/**
-	 * returns the number of users in a group, who match the search term
-	 * @param string $gid the internal group name
-	 * @param string $search optional, a search string
-	 * @return int|bool
-	 */
-	public function countUsersInGroup($gid, $search = '') {
-		return $this->handleRequest(
-			$gid, 'countUsersInGroup', [$gid, $search]);
-	}
+    /**
+     * returns the number of users in a group, who match the search term
+     * @param string $gid the internal group name
+     * @param string $search optional, a search string
+     * @return int|bool
+     */
+    public function countUsersInGroup($gid, $search = '') {
+        return $this->handleRequest(
+            $gid, 'countUsersInGroup', [$gid, $search]);
+    }
 
-	/**
-	 * get an array with group details
-	 * @param string $gid
-	 * @return array|false
-	 */
-	public function getGroupDetails($gid) {
-		return $this->handleRequest(
-			$gid, 'getGroupDetails', [$gid]);
-	}
+    /**
+     * get an array with group details
+     * @param string $gid
+     * @return array|false
+     */
+    public function getGroupDetails($gid) {
+        return $this->handleRequest(
+            $gid, 'getGroupDetails', [$gid]);
+    }
 
-	/**
-	 * get a list of all groups
-	 * @return string[] with group names
-	 *
-	 * Returns a list with all groups
-	 */
-	public function getGroups($search = '', $limit = -1, $offset = 0) {
-		$groups = [];
+    /**
+     * get a list of all groups
+     * @return string[] with group names
+     *
+     * Returns a list with all groups
+     */
+    public function getGroups($search = '', $limit = -1, $offset = 0) {
+        $groups = [];
 
-		foreach($this->backends as $backend) {
-			$backendGroups = $backend->getGroups($search, $limit, $offset);
-			if (is_array($backendGroups)) {
-				$groups = array_merge($groups, $backendGroups);
-			}
-		}
+        foreach($this->backends as $backend) {
+            $backendGroups = $backend->getGroups($search, $limit, $offset);
+            if (is_array($backendGroups)) {
+                $groups = array_merge($groups, $backendGroups);
+            }
+        }
 
-		return $groups;
-	}
+        return $groups;
+    }
 
-	/**
-	 * check if a group exists
-	 * @param string $gid
-	 * @return bool
-	 */
-	public function groupExists($gid) {
-		return $this->handleRequest($gid, 'groupExists', [$gid]);
-	}
+    /**
+     * check if a group exists
+     * @param string $gid
+     * @return bool
+     */
+    public function groupExists($gid) {
+        return $this->handleRequest($gid, 'groupExists', [$gid]);
+    }
 
-	/**
-	 * Check if backend implements actions
-	 * @param int $actions bitwise-or'ed actions
-	 * @return boolean
-	 *
-	 * Returns the supported actions as int to be
-	 * compared with \OCP\GroupInterface::CREATE_GROUP etc.
-	 */
-	public function implementsActions($actions) {
-		//it's the same across all our user backends obviously
-		return $this->refBackend->implementsActions($actions);
-	}
+    /**
+     * Check if backend implements actions
+     * @param int $actions bitwise-or'ed actions
+     * @return boolean
+     *
+     * Returns the supported actions as int to be
+     * compared with \OCP\GroupInterface::CREATE_GROUP etc.
+     */
+    public function implementsActions($actions) {
+        //it's the same across all our user backends obviously
+        return $this->refBackend->implementsActions($actions);
+    }
 
-	/**
-	 * Return access for LDAP interaction.
-	 * @param string $gid
-	 * @return Access instance of Access for LDAP interaction
-	 */
-	public function getLDAPAccess($gid) {
-		return $this->handleRequest($gid, 'getLDAPAccess', [$gid]);
-	}
+    /**
+     * Return access for LDAP interaction.
+     * @param string $gid
+     * @return Access instance of Access for LDAP interaction
+     */
+    public function getLDAPAccess($gid) {
+        return $this->handleRequest($gid, 'getLDAPAccess', [$gid]);
+    }
 
-	/**
-	 * Return a new LDAP connection for the specified group.
-	 * The connection needs to be closed manually.
-	 * @param string $gid
-	 * @return resource of the LDAP connection
-	 */
-	public function getNewLDAPConnection($gid) {
-		return $this->handleRequest($gid, 'getNewLDAPConnection', [$gid]);
-	}
+    /**
+     * Return a new LDAP connection for the specified group.
+     * The connection needs to be closed manually.
+     * @param string $gid
+     * @return resource of the LDAP connection
+     */
+    public function getNewLDAPConnection($gid) {
+        return $this->handleRequest($gid, 'getNewLDAPConnection', [$gid]);
+    }
 
-	public function getDisplayName(string $gid): string {
-		return $this->handleRequest($gid, 'getDisplayName', [$gid]);
-	}
+    public function getDisplayName(string $gid): string {
+        return $this->handleRequest($gid, 'getDisplayName', [$gid]);
+    }
 }