nextcloud/apps/cloud_federation_api/lib/Controller/RequestHandlerController.php

301 lines
9.8 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2018 Bjoern Schiessle <bjoern@schiessle.org>
*
* @author Bjoern Schiessle <bjoern@schiessle.org>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\CloudFederationAPI\Controller;
use OCA\CloudFederationAPI\Config;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\JSONResponse;
use OCP\Federation\Exceptions\ActionNotSupportedException;
use OCP\Federation\Exceptions\AuthenticationFailedException;
use OCP\Federation\Exceptions\BadRequestException;
use OCP\Federation\Exceptions\ProviderCouldNotAddShareException;
use OCP\Federation\ICloudFederationFactory;
use OCP\Federation\ICloudFederationProviderManager;
use OCP\Federation\Exceptions\ProviderDoesNotExistsException;
use OCP\Federation\ICloudIdManager;
use OCP\IGroupManager;
use OCP\ILogger;
use OCP\IRequest;
use OCP\IURLGenerator;
use OCP\IUserManager;
use OCP\Share\Exceptions\ShareNotFound;
/**
* Class RequestHandlerController
*
* handle API between different Cloud instances
*
* @package OCA\CloudFederationAPI\Controller
*/
class RequestHandlerController extends Controller {
/** @var ILogger */
private $logger;
/** @var IUserManager */
private $userManager;
/** @var IGroupManager */
private $groupManager;
/** @var IURLGenerator */
private $urlGenerator;
/** @var ICloudFederationProviderManager */
private $cloudFederationProviderManager;
/** @var Config */
private $config;
/** @var ICloudFederationFactory */
private $factory;
/** @var ICloudIdManager */
private $cloudIdManager;
public function __construct($appName,
IRequest $request,
ILogger $logger,
IUserManager $userManager,
IGroupManager $groupManager,
IURLGenerator $urlGenerator,
ICloudFederationProviderManager $cloudFederationProviderManager,
Config $config,
ICloudFederationFactory $factory,
ICloudIdManager $cloudIdManager
) {
parent::__construct($appName, $request);
$this->logger = $logger;
$this->userManager = $userManager;
$this->groupManager = $groupManager;
$this->urlGenerator = $urlGenerator;
$this->cloudFederationProviderManager = $cloudFederationProviderManager;
$this->config = $config;
$this->factory = $factory;
$this->cloudIdManager = $cloudIdManager;
}
/**
* add share
*
* @NoCSRFRequired
* @PublicPage
* @BruteForceProtection(action=receiveFederatedShare)
*
* @param string $shareWith
* @param string $name resource name (e.g. document.odt)
* @param string $description share description (optional)
* @param string $providerId resource UID on the provider side
* @param string $owner provider specific UID of the user who owns the resource
* @param string $ownerDisplayName display name of the user who shared the item
* @param string $sharedBy provider specific UID of the user who shared the resource
* @param string $sharedByDisplayName display name of the user who shared the resource
* @param array $protocol (e,.g. ['name' => 'webdav', 'options' => ['username' => 'john', 'permissions' => 31]])
* @param string $shareType ('group' or 'user' share)
* @param $resourceType ('file', 'calendar',...)
* @return Http\DataResponse|JSONResponse
*
* Example: curl -H "Content-Type: application/json" -X POST -d '{"shareWith":"admin1@serve1","name":"welcome server2.txt","description":"desc","providerId":"2","owner":"admin2@http://localhost/server2","ownerDisplayName":"admin2 display","shareType":"user","resourceType":"file","protocol":{"name":"webdav","options":{"sharedSecret":"secret","permissions":"webdav-property"}}}' http://localhost/server/index.php/ocm/shares
*/
public function addShare($shareWith, $name, $description, $providerId, $owner, $ownerDisplayName, $sharedBy, $sharedByDisplayName, $protocol, $shareType, $resourceType) {
// check if all required parameters are set
if ($shareWith === null ||
$name === null ||
$providerId === null ||
$owner === null ||
$resourceType === null ||
$shareType === null ||
!is_array($protocol) ||
!isset($protocol['name']) ||
!isset ($protocol['options']) ||
!is_array($protocol['options']) ||
!isset($protocol['options']['sharedSecret'])
) {
return new JSONResponse(
['message' => 'Missing arguments'],
Http::STATUS_BAD_REQUEST
);
}
$supportedShareTypes = $this->config->getSupportedShareTypes($resourceType);
if (!in_array($shareType, $supportedShareTypes)) {
return new JSONResponse(
['message' => 'Share type "' . $shareType . '" not implemented'],
Http::STATUS_NOT_IMPLEMENTED
);
}
$cloudId = $this->cloudIdManager->resolveCloudId($shareWith);
$shareWith = $cloudId->getUser();
if ($shareType === 'user') {
$shareWith = $this->mapUid($shareWith);
if (!$this->userManager->userExists($shareWith)) {
return new JSONResponse(
['message' => 'User "' . $shareWith . '" does not exists at ' . $this->urlGenerator->getBaseUrl()],
Http::STATUS_BAD_REQUEST
);
}
}
if ($shareType === 'group') {
if(!$this->groupManager->groupExists($shareWith)) {
return new JSONResponse(
['message' => 'Group "' . $shareWith . '" does not exists at ' . $this->urlGenerator->getBaseUrl()],
Http::STATUS_BAD_REQUEST
);
}
}
// if no explicit display name is given, we use the uid as display name
$ownerDisplayName = $ownerDisplayName === null ? $owner : $ownerDisplayName;
$sharedByDisplayName = $sharedByDisplayName === null ? $sharedBy : $sharedByDisplayName;
// sharedBy* parameter is optional, if nothing is set we assume that it is the same user as the owner
if ($sharedBy === null) {
$sharedBy = $owner;
$sharedByDisplayName = $ownerDisplayName;
}
try {
$provider = $this->cloudFederationProviderManager->getCloudFederationProvider($resourceType);
$share = $this->factory->getCloudFederationShare($shareWith, $name, $description, $providerId, $owner, $ownerDisplayName, $sharedBy, $sharedByDisplayName, '', $shareType, $resourceType);
$share->setProtocol($protocol);
$provider->shareReceived($share);
} catch (ProviderDoesNotExistsException $e) {
return new JSONResponse(
['message' => $e->getMessage()],
Http::STATUS_NOT_IMPLEMENTED
);
} catch (ProviderCouldNotAddShareException $e) {
return new JSONResponse(
['message' => $e->getMessage()],
$e->getCode()
);
} catch (\Exception $e) {
return new JSONResponse(
['message' => 'Internal error at ' . $this->urlGenerator->getBaseUrl()],
Http::STATUS_BAD_REQUEST
);
}
$user = $this->userManager->get($shareWith);
$recipientDisplayName = '';
if($user) {
$recipientDisplayName = $user->getDisplayName();
}
return new JSONResponse(
['recipientDisplayName' => $recipientDisplayName],
Http::STATUS_CREATED);
}
/**
* receive notification about existing share
*
* @NoCSRFRequired
* @PublicPage
* @BruteForceProtection(action=receiveFederatedShareNotification)
*
* @param string $notificationType (notification type, e.g. SHARE_ACCEPTED)
* @param string $resourceType (calendar, file, contact,...)
* @param string $providerId id of the share
* @param array $notification the actual payload of the notification
* @return JSONResponse
*/
public function receiveNotification($notificationType, $resourceType, $providerId, array $notification) {
// check if all required parameters are set
if ($notificationType === null ||
$resourceType === null ||
$providerId === null ||
!is_array($notification)
) {
return new JSONResponse(
['message' => 'Missing arguments'],
Http::STATUS_BAD_REQUEST
);
}
try {
$provider = $this->cloudFederationProviderManager->getCloudFederationProvider($resourceType);
$result = $provider->notificationReceived($notificationType, $providerId, $notification);
} catch (ProviderDoesNotExistsException $e) {
return new JSONResponse(
['message' => $e->getMessage()],
Http::STATUS_BAD_REQUEST
);
} catch (ShareNotFound $e) {
return new JSONResponse(
['message' => $e->getMessage()],
Http::STATUS_BAD_REQUEST
);
} catch (ActionNotSupportedException $e) {
return new JSONResponse(
['message' => $e->getMessage()],
Http::STATUS_NOT_IMPLEMENTED
);
} catch (BadRequestException $e) {
return new JSONResponse($e->getReturnMessage(), Http::STATUS_BAD_REQUEST);
} catch (AuthenticationFailedException $e) {
return new JSONResponse(["message" => "RESOURCE_NOT_FOUND"], Http::STATUS_FORBIDDEN);
}
catch (\Exception $e) {
return new JSONResponse(
['message' => 'Internal error at ' . $this->urlGenerator->getBaseUrl()],
Http::STATUS_BAD_REQUEST
);
}
return new JSONResponse($result,Http::STATUS_CREATED);
}
/**
* map login name to internal LDAP UID if a LDAP backend is in use
*
* @param string $uid
* @return string mixed
*/
private function mapUid($uid) {
// FIXME this should be a method in the user management instead
$this->logger->debug('shareWith before, ' . $uid, ['app' => $this->appName]);
\OCP\Util::emitHook(
'\OCA\Files_Sharing\API\Server2Server',
'preLoginNameUsedAsUserName',
array('uid' => &$uid)
);
$this->logger->debug('shareWith after, ' . $uid, ['app' => $this->appName]);
return $uid;
}
}