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<?php
/**
* @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @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\Richdocuments\Controller;
use OCA\Richdocuments\AppConfig;
use OCA\Richdocuments\Db\Direct;
use OCA\Richdocuments\Db\DirectMapper;
use OCA\Richdocuments\Service\FederationService;
use OCA\Richdocuments\TemplateManager;
use OCA\Richdocuments\TokenManager;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\ContentSecurityPolicy;
use OCP\AppFramework\Http\JSONResponse;
use OCP\AppFramework\Http\RedirectResponse;
use OCP\AppFramework\Http\TemplateResponse;
use OCP\Files\Folder;
use OCP\Files\IRootFolder;
use OCP\Files\Node;
use OCP\Files\NotFoundException;
use OCP\IConfig;
use OCP\ILogger;
use OCP\IRequest;
class DirectViewController extends Controller {
/** @var IRootFolder */
private $rootFolder;
/** @var TokenManager */
private $tokenManager;
/** @var DirectMapper */
private $directMapper;
/** @var IConfig */
private $config;
/** @var AppConfig */
private $appConfig;
/** @var TemplateManager */
private $templateManager;
/** @var FederationService */
private $federationService;
/** @var ILogger */
private $logger;
public function __construct(
$appName,
IRequest $request,
IRootFolder $rootFolder,
TokenManager $tokenManager,
DirectMapper $directMapper,
IConfig $config,
AppConfig $appConfig,
TemplateManager $templateManager,
FederationService $federationService,
ILogger $logger
) {
parent::__construct($appName, $request);
$this->rootFolder = $rootFolder;
$this->tokenManager = $tokenManager;
$this->directMapper = $directMapper;
$this->config = $config;
$this->appConfig = $appConfig;
$this->templateManager = $templateManager;
$this->federationService = $federationService;
$this->logger = $logger;
}
/**
* @NoAdminRequired
* @NoCSRFRequired
* @PublicPage
*
* @param string $token
* @return JSONResponse|RedirectResponse|TemplateResponse
* @throws NotFoundException
*/
public function show($token) {
try {
$direct = $this->directMapper->getByToken($token);
} catch (DoesNotExistException $e) {
$params = [
'errors' => [['error' => $e->getMessage()]]
];
$response = new TemplateResponse('core', 'error', $params, 'guest');
$response->setStatus(Http::STATUS_FORBIDDEN);
return $response;
}
// Delete the token. They are for 1 time use only
$this->directMapper->delete($direct);
// Direct token for share link
if (!empty($direct->getShare())) {
return $this->showPublicShare($direct);
}
$folder = $this->rootFolder->getUserFolder($direct->getUid());
if ($this->templateManager->isTemplate($direct->getFileid())) {
$item = $this->templateManager->get($direct->getFileid());
if ($direct->getTemplateDestination() === 0 || $direct->getTemplateDestination() === null) {
return new JSONResponse([], Http::STATUS_BAD_REQUEST);
}
try {
list($urlSrc, $wopi) = $this->tokenManager->getTokenForTemplate($item, $direct->getUid(), $direct->getTemplateDestination(), true);
} catch (\Exception $e) {
return new JSONResponse([], Http::STATUS_BAD_REQUEST);
}
$relativePath = '/new.odt';
} else {
try {
$item = $folder->getById($direct->getFileid())[0];
if(!($item instanceof Node)) {
throw new \Exception();
}
/** Open file from remote collabora */
$federatedUrl = $this->federationService->getRemoteRedirectURL($item, $direct);
if ($federatedUrl !== null) {
$response = new RedirectResponse($federatedUrl);
$response->addHeader('X-Frame-Options', 'ALLOW');
return $response;
}
list($urlSrc, $token, $wopi) = $this->tokenManager->getToken($item->getId(), null, $direct->getUid(), true);
} catch (\Exception $e) {
$params = [
'errors' => [['error' => $e->getMessage()]]
];
return new TemplateResponse('core', 'error', $params, 'guest');
}
$relativePath = $folder->getRelativePath($item->getPath());
}
try {
$params = [
'permissions' => $item->getPermissions(),
'title' => $item->getName(),
'fileId' => $wopi->getFileid() . '_' . $this->config->getSystemValue('instanceid'),
'token' => $wopi->getToken(),
'urlsrc' => $urlSrc,
'path' => $relativePath,
'instanceId' => $this->config->getSystemValue('instanceid'),
'canonical_webroot' => $this->appConfig->getAppValue('canonical_webroot'),
'direct' => true,
];
$response = new TemplateResponse('richdocuments', 'documents', $params, 'base');
$policy = new ContentSecurityPolicy();
$policy->allowInlineScript(true);
$policy->addAllowedFrameDomain($this->appConfig->getAppValue('public_wopi_url'));
$response->setContentSecurityPolicy($policy);
return $response;
} catch (\Exception $e) {
$params = [
'errors' => [['error' => $e->getMessage()]]
];
return new TemplateResponse('core', 'error', $params, 'guest');
}
}
public function showPublicShare(Direct $direct) {
try {
$share = \OC::$server->getShareManager()->getShareByToken($direct->getShare());
$node = $share->getNode();
if ($node instanceof Folder) {
$nodes = $node->getById($direct->getFileid());
$node = array_shift($nodes);
if ($node === null) {
throw new NotFoundException();
}
}
// Handle opening a share link that originates from a remote instance
$federatedUrl = $this->federationService->getRemoteRedirectURL($node, $direct, $share);
if ($federatedUrl !== null) {
$response = new RedirectResponse($federatedUrl);
$response->addHeader('X-Frame-Options', 'ALLOW');
return $response;
}
$this->settings = \OC::$server->getConfig();
if ($node instanceof Node) {
$params = [
'permissions' => $share->getPermissions(),
'title' => $node->getName(),
'fileId' => $node->getId() . '_' . $this->settings->getSystemValue('instanceid'),
'path' => '/',
'instanceId' => $this->settings->getSystemValue('instanceid'),
'canonical_webroot' => $this->appConfig->getAppValue('canonical_webroot'),
'userId' => null,
'direct' => true
];
list($urlSrc, $token, $wopi) = $this->tokenManager->getToken($node->getId(), $direct->getShare(), $direct->getUid(), true);
if (!empty($direct->getInitiatorHost())) {
$this->tokenManager->upgradeFromDirectInitiator($direct, $wopi);
}
$params['token'] = $token;
$params['urlsrc'] = $urlSrc;
$response = new TemplateResponse('richdocuments', 'documents', $params, 'base');
$policy = new ContentSecurityPolicy();
$policy->allowInlineScript(true);
$policy->addAllowedFrameDomain($this->appConfig->getAppValue('public_wopi_url'));
$response->setContentSecurityPolicy($policy);
return $response;
}
} catch (\Exception $e) {
$this->logger->logException($e, ['app'=>'richdocuments']);
$params = [
'errors' => [['error' => $e->getMessage()]]
];
return new TemplateResponse('core', 'error', $params, 'guest');
}
return new TemplateResponse('core', '403', [], 'guest');
}
}
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