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<?php |
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/** |
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* @author Viktar Dubiniuk <[email protected]> |
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* |
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* @copyright Copyright (c) 2018, ownCloud GmbH |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OCA\FederatedFileSharing\Controller; |
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use OCA\FederatedFileSharing\Address; |
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use OCA\FederatedFileSharing\AddressHandler; |
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use OCA\FederatedFileSharing\Middleware\OcmMiddleware; |
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use OCA\FederatedFileSharing\Ocm\Exception\BadRequestException; |
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use OCA\FederatedFileSharing\Ocm\Exception\NotImplementedException; |
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use OCA\FederatedFileSharing\Ocm\Notification\FileNotification; |
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use OCP\AppFramework\Http\JSONResponse; |
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use OCA\FederatedFileSharing\FedShareManager; |
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use OCA\FederatedFileSharing\Ocm\Exception\OcmException; |
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use OCP\AppFramework\Controller; |
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use OCP\AppFramework\Http; |
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use OCP\ILogger; |
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use OCP\IRequest; |
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use OCP\IURLGenerator; |
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use OCP\IUserManager; |
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/** |
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* Class OcmController |
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* |
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* @package OCA\FederatedFileSharing\Controller |
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*/ |
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class OcmController extends Controller { |
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const API_VERSION = '1.0-proposal1'; |
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/** |
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* @var OcmMiddleware |
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*/ |
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private $ocmMiddleware; |
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/** |
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* @var IURLGenerator |
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*/ |
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protected $urlGenerator; |
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/** |
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* @var IUserManager |
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*/ |
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protected $userManager; |
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/** |
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* @var AddressHandler |
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*/ |
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protected $addressHandler; |
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/** |
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* @var FedShareManager |
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*/ |
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protected $fedShareManager; |
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/** |
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* @var ILogger |
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*/ |
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protected $logger; |
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/** |
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* OcmController constructor. |
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* |
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* @param string $appName |
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* @param IRequest $request |
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* @param OcmMiddleware $ocmMiddleware |
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* @param IURLGenerator $urlGenerator |
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* @param IUserManager $userManager |
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* @param AddressHandler $addressHandler |
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* @param FedShareManager $fedShareManager |
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* @param ILogger $logger |
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*/ |
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public function __construct($appName, |
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IRequest $request, |
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OcmMiddleware $ocmMiddleware, |
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IURLGenerator $urlGenerator, |
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IUserManager $userManager, |
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AddressHandler $addressHandler, |
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FedShareManager $fedShareManager, |
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ILogger $logger |
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) { |
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parent::__construct($appName, $request); |
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$this->ocmMiddleware = $ocmMiddleware; |
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$this->urlGenerator = $urlGenerator; |
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$this->userManager = $userManager; |
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$this->addressHandler = $addressHandler; |
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$this->fedShareManager = $fedShareManager; |
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$this->logger = $logger; |
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} |
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/** |
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* @NoCSRFRequired |
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* @PublicPage |
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* |
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* EndPoint discovery |
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* Responds to /ocm-provider/ requests |
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* |
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* @return array |
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*/ |
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public function discovery() { |
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$endPoint = $this->urlGenerator->linkToRouteAbsolute( |
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"{$this->appName}.ocm.index" |
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); |
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return [ |
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'enabled' => true, |
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'apiVersion' => self::API_VERSION, |
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'endPoint' => \rtrim($endPoint, '/'), |
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'shareTypes' => [ |
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[ |
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'name' => FileNotification::RESOURCE_TYPE_FILE, |
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'protocols' => $this->getProtocols() |
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] |
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] |
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]; |
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} |
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/** |
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* @NoCSRFRequired |
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* @PublicPage |
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* |
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* @param string $shareWith identifier of the user or group |
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* to share the resource with |
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* @param string $name name of the shared resource |
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* @param string $description share description (optional) |
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* @param string $providerId Identifier of the resource at the provider side |
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* @param string $owner identifier of the user that owns the resource |
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* @param string $ownerDisplayName display name of the owner |
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* @param string $sender Provider specific identifier of the user that wants |
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* to share the resource |
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* @param string $senderDisplayName Display name of the user that wants |
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* to share the resource |
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* @param string $shareType Share type ('user' is supported atm) |
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* @param string $resourceType only 'file' is supported atm |
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* @param array $protocol |
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* [ |
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* 'name' => (string) protocol name. Only 'webdav' is supported atm, |
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* 'options' => [ |
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* protocol specific options |
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* only `webdav` options are supported atm |
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* e.g. `uri`, `access_token`, `password`, `permissions` etc. |
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* |
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* For backward compatibility the webdav protocol will use |
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* the 'sharedSecret" as username and password |
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* ] |
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* |
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* @return JSONResponse |
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*/ |
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public function createShare($shareWith, |
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$name, |
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$description, |
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$providerId, |
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$owner, |
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$ownerDisplayName, |
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$sender, |
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$senderDisplayName, |
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$shareType, |
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$resourceType, |
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$protocol |
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) { |
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try { |
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$this->ocmMiddleware->assertIncomingSharingEnabled(); |
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$this->ocmMiddleware->assertNotNull( |
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[ |
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'shareWith' => $shareWith, |
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'name' => $name, |
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'providerId' => $providerId, |
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'owner' => $owner, |
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'shareType' => $shareType, |
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'resourceType' => $resourceType |
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] |
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); |
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if (!\is_array($protocol) |
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|| !isset($protocol['name']) |
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|| !isset($protocol['options']) |
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|| !\is_array($protocol['options']) |
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|| !isset($protocol['options']['sharedSecret']) |
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) { |
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throw new BadRequestException( |
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'server can not add remote share, missing parameter' |
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); |
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} |
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if (!\OCP\Util::isValidFileName($name)) { |
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throw new BadRequestException( |
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'The mountpoint name contains invalid characters.' |
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); |
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} |
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if ($this->isSupportedProtocol($protocol['name']) === false) { |
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throw new NotImplementedException( |
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"Protocol {$protocol['name']} is not supported" |
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); |
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} |
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if ($this->isSupportedShareType($shareType) === false) { |
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throw new NotImplementedException( |
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"ShareType {$shareType} is not supported" |
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); |
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} |
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if ($this->isSupportedResourceType($resourceType) === false) { |
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throw new NotImplementedException( |
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"ResourceType {$resourceType} is not supported" |
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); |
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} |
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$shareWithAddress = new Address($shareWith); |
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$localShareWith = $shareWithAddress->toLocalUid(); |
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if (!$this->userManager->userExists($localShareWith)) { |
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throw new BadRequestException("User $localShareWith does not exist"); |
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} |
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$ownerAddress = new Address($owner, $ownerDisplayName); |
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$sharedByAddress = new Address($sender, $senderDisplayName); |
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$this->fedShareManager->createShare( |
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$ownerAddress, |
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$sharedByAddress, |
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$localShareWith, |
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$providerId, |
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$name, |
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$protocol['options']['sharedSecret'] |
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); |
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} catch (OcmException $e) { |
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return new JSONResponse( |
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['message' => $e->getMessage()], |
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$e->getHttpStatusCode() |
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); |
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} catch (\Exception $e) { |
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$this->logger->error( |
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"server can not add remote share, {$e->getMessage()}", |
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['app' => 'federatefilesharing'] |
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); |
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return new JSONResponse( |
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[ |
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'message' => "internal server error, was not able to add share from {$owner}" |
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], |
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Http::STATUS_INTERNAL_SERVER_ERROR |
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); |
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} |
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return new JSONResponse( |
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[], |
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Http::STATUS_CREATED |
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); |
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} |
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/** |
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* @NoCSRFRequired |
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* @PublicPage |
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* |
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* @param string $notificationType notification type (SHARE_REMOVED, etc) |
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* @param string $resourceType only 'file' is supported atm |
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* @param string $providerId Identifier of the resource at the provider side |
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* @param array $notification |
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* [ |
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* optional additional parameters, depending on the notification |
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* and the resource type |
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* ] |
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* |
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* @return JSONResponse |
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*/ |
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public function processNotification($notificationType, |
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$resourceType, |
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$providerId, |
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$notification |
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) { |
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try { |
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if (!\is_array($notification)) { |
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throw new BadRequestException( |
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'server can not add remote share, missing parameter' |
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); |
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} |
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$notification = \array_merge( |
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['sharedSecret' => null], |
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$notification |
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); |
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$this->ocmMiddleware->assertNotNull( |
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[ |
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'notificationType' => $notificationType, |
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'resourceType' => $resourceType, |
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'providerId' => $providerId, |
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'sharedSecret' => $notification['sharedSecret'] |
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] |
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); |
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if ($this->isSupportedResourceType($resourceType) === false) { |
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throw new NotImplementedException( |
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"ResourceType {$resourceType} is not supported" |
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); |
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} |
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switch ($notificationType) { |
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View Code Duplication |
case FileNotification::NOTIFICATION_TYPE_SHARE_ACCEPTED: |
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$this->ocmMiddleware->assertOutgoingSharingEnabled(); |
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$share = $this->ocmMiddleware->getValidShare( |
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$providerId, $notification['sharedSecret'] |
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); |
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$this->fedShareManager->acceptShare($share); |
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break; |
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View Code Duplication |
case FileNotification::NOTIFICATION_TYPE_SHARE_DECLINED: |
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$this->ocmMiddleware->assertOutgoingSharingEnabled(); |
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$share = $this->ocmMiddleware->getValidShare( |
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$providerId, $notification['sharedSecret'] |
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); |
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$this->fedShareManager->declineShare($share); |
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break; |
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case FileNotification::NOTIFICATION_TYPE_REQUEST_RESHARE: |
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$this->ocmMiddleware->assertOutgoingSharingEnabled(); |
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$this->ocmMiddleware->assertNotNull( |
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[ |
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'shareWith' => $notification['shareWith'], |
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'senderId' => $notification['senderId'], |
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] |
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); |
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$share = $this->ocmMiddleware->getValidShare( |
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$providerId, $notification['sharedSecret'] |
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); |
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// don't allow to share a file back to the owner |
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$owner = $share->getShareOwner(); |
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$ownerAddress = $this->addressHandler->getLocalUserFederatedAddress($owner); |
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$shareWithAddress = new Address($notification['shareWith']); |
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$this->ocmMiddleware->assertNotSameUser($ownerAddress, $shareWithAddress); |
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$this->ocmMiddleware->assertSharingPermissionSet($share); |
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$reShare = $this->fedShareManager->reShare( |
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$share, $notification['senderId'], |
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$notification['shareWith'] |
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); |
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return new JSONResponse( |
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[ |
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'sharedSecret' => $reShare->getToken(), |
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'providerId' => $reShare->getId() |
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], |
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Http::STATUS_CREATED |
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); |
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break; |
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|
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case FileNotification::NOTIFICATION_TYPE_RESHARE_CHANGE_PERMISSION: |
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$this->ocmMiddleware->assertNotNull( |
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[ |
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'permission' => $notification['permission'] |
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] |
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); |
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$share = $this->ocmMiddleware->getValidShare( |
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$providerId, $notification['sharedSecret'] |
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); |
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$this->fedShareManager->updateOcmPermissions( |
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$share, |
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$notification['permission'] |
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); |
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break; |
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case FileNotification::NOTIFICATION_TYPE_SHARE_UNSHARED: |
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$this->fedShareManager->unshare( |
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$providerId, $notification['sharedSecret'] |
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); |
376
|
|
|
break; |
377
|
|
|
case FileNotification::NOTIFICATION_TYPE_RESHARE_UNDO: |
378
|
|
|
// Stub. Let it fallback to the prev endpoint for now |
379
|
|
|
return new JSONResponse( |
380
|
|
|
['message' => "Notification of type {$notificationType} is not supported"], |
381
|
|
|
Http::STATUS_NOT_IMPLEMENTED |
382
|
|
|
); |
383
|
|
|
|
384
|
|
|
// owner or sender unshared a resource |
385
|
|
|
$share = $this->ocmMiddleware->getValidShare( |
|
|
|
|
386
|
|
|
$providerId, $notification['sharedSecret'] |
387
|
|
|
); |
388
|
|
|
$this->fedShareManager->undoReshare($share); |
389
|
|
|
break; |
390
|
|
|
default: |
391
|
|
|
return new JSONResponse( |
392
|
|
|
['message' => "Notification of type {$notificationType} is not supported"], |
393
|
|
|
Http::STATUS_NOT_IMPLEMENTED |
394
|
|
|
); |
395
|
|
|
} |
396
|
|
|
} catch (OcmException $e) { |
397
|
|
|
return new JSONResponse( |
398
|
|
|
['message' => $e->getMessage()], |
399
|
|
|
$e->getHttpStatusCode() |
400
|
|
|
); |
401
|
|
|
} catch (\Exception $e) { |
402
|
|
|
$this->logger->error( |
403
|
|
|
"server can not process notification, {$e->getMessage()}", |
404
|
|
|
['app' => 'federatefilesharing'] |
405
|
|
|
); |
406
|
|
|
return new JSONResponse( |
407
|
|
|
[ |
408
|
|
|
'message' => "internal server error, was not able to process notification" |
409
|
|
|
], |
410
|
|
|
Http::STATUS_INTERNAL_SERVER_ERROR |
411
|
|
|
); |
412
|
|
|
} |
413
|
|
|
return new JSONResponse( |
414
|
|
|
[], |
415
|
|
|
Http::STATUS_CREATED |
416
|
|
|
); |
417
|
|
|
} |
418
|
|
|
|
419
|
|
|
/** |
420
|
|
|
* Get list of supported protocols |
421
|
|
|
* |
422
|
|
|
* @return array |
423
|
|
|
*/ |
424
|
|
|
protected function getProtocols() { |
425
|
|
|
return [ |
426
|
|
|
'webdav' => '/public.php/webdav/' |
427
|
|
|
]; |
428
|
|
|
} |
429
|
|
|
|
430
|
|
|
/** |
431
|
|
|
* @param string $resourceType |
432
|
|
|
* |
433
|
|
|
* @return bool |
434
|
|
|
*/ |
435
|
|
|
protected function isSupportedResourceType($resourceType) { |
436
|
|
|
return $resourceType === FileNotification::RESOURCE_TYPE_FILE; |
437
|
|
|
} |
438
|
|
|
|
439
|
|
|
/** |
440
|
|
|
* @param string $shareType |
441
|
|
|
* @return bool |
442
|
|
|
*/ |
443
|
|
|
protected function isSupportedShareType($shareType) { |
444
|
|
|
// TODO: make it a constant |
445
|
|
|
return $shareType === 'user'; |
446
|
|
|
} |
447
|
|
|
|
448
|
|
|
/** |
449
|
|
|
* @param string $protocolName |
450
|
|
|
* @return bool |
451
|
|
|
*/ |
452
|
|
|
protected function isSupportedProtocol($protocolName) { |
453
|
|
|
$supportedProtocols = $this->getProtocols(); |
454
|
|
|
$supportedProtocolNames = \array_keys($supportedProtocols); |
455
|
|
|
return \in_array($protocolName, $supportedProtocolNames); |
456
|
|
|
} |
457
|
|
|
} |
458
|
|
|
|
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.