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<?php
/**
* @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
*
* @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\Db\Wopi;
use OCA\Richdocuments\WOPI\Parser;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\JSONResponse;
use OCP\Files\File;
use OCP\Files\IRootFolder;
use OCP\IRequest;
use OCP\IUserManager;
use OCP\AppFramework\Http\StreamResponse;
class WopiController extends Controller {
/** @var IRootFolder */
private $rootFolder;
/** @var string */
private $userId;
/** @var IUserManager */
private $userManager;
/** @var Parser */
private $wopiParser;
/**
* @param string $appName
* @param IRequest $request
* @param IRootFolder $rootFolder
* @param string $UserId
* @param IUserManager $userManager
* @param Parser $wopiParser
*/
public function __construct($appName,
$UserId,
IRequest $request,
IRootFolder $rootFolder,
IUserManager $userManager,
Parser $wopiParser) {
parent::__construct($appName, $request);
$this->rootFolder = $rootFolder;
$this->userId = $UserId;
$this->userManager = $userManager;
$this->wopiParser = $wopiParser;
}
/**
* Returns general info about a file.
*
* @NoAdminRequired
* @NoCSRFRequired
* @PublicPage
*
* @param string $fileId
* @return JSONResponse
*/
public function checkFileInfo($fileId) {
$token = $this->request->getParam('access_token');
$arr = explode('_', $fileId, 2);
$version = '0';
if (count($arr) === 2) {
list($fileId, $version) = $arr;
}
$row = new Wopi();
$row->loadBy('token', $token);
$res = $row->getPathForToken($fileId, $version, $token);
if ($res === false) {
return new JSONResponse([], Http::STATUS_FORBIDDEN);
}
// Login the user to see his mount locations
try {
/** @var File $file */
$userFolder = $this->rootFolder->getUserFolder($res['owner']);
$file = $userFolder->getById($fileId)[0];
} catch (\Exception $e) {
return new JSONResponse([], Http::STATUS_FORBIDDEN);
}
if(!($file instanceof File)) {
return new JSONResponse([], Http::STATUS_FORBIDDEN);
}
return new JSONResponse(
[
'BaseFileName' => $file->getName(),
'Size' => $file->getSize(),
'Version' => $version,
'UserId' => $res['editor'] !== '' ? $res['editor'] : 'Guest user',
'UserFriendlyName' => $res['editor'] !== '' ? $res['editor'] : 'Guest user',
'UserCanWrite' => $res['canwrite'] ? true : false,
'PostMessageOrigin' => $res['server_host'],
]
);
}
/**
* Given an access token and a fileId, returns the contents of the file.
* Expects a valid token in access_token parameter.
*
* @PublicPage
* @NoCSRFRequired
*
* @param string $fileId
* @param string $access_token
* @return Http\Response
*/
public function getFile($fileId,
$access_token) {
$arr = explode('_', $fileId, 2);
$version = '0';
if (count($arr) === 2) {
list($fileId, $version) = $arr;
}
$row = new Wopi();
$row->loadBy('token', $access_token);
$res = $row->getPathForToken($fileId, $version, $access_token);
try {
/** @var File $file */
$userFolder = $this->rootFolder->getUserFolder($res['owner']);
$file = $userFolder->getById($fileId)[0];
$response = new StreamResponse($file->fopen('rb'));
$response->addHeader('Content-Disposition', 'attachment');
$response->addHeader('Content-Type', 'application/octet-stream');
return $response;
} catch (\Exception $e) {
return new JSONResponse([], Http::STATUS_FORBIDDEN);
}
}
/**
* Given an access token and a fileId, replaces the files with the request body.
* Expects a valid token in access_token parameter.
*
* @PublicPage
* @NoCSRFRequired
*
* @param string $fileId
* @param string $access_token
* @return JSONResponse
*/
public function putFile($fileId, $access_token) {
$arr = explode('_', $fileId, 2);
$version = '0';
if (count($arr) === 2) {
list($fileId, $version) = $arr;
}
$row = new Wopi();
$row->loadBy('token', $access_token);
$res = $row->getPathForToken($fileId, $version, $access_token);
if (!$res['canwrite']) {
return new JSONResponse([], Http::STATUS_FORBIDDEN);
}
try {
/** @var File $file */
$userFolder = $this->rootFolder->getUserFolder($res['owner']);
$file = $userFolder->getById($fileId)[0];
$content = fopen('php://input', 'rb');
$file->putContent($content);
return new JSONResponse();
} catch (\Exception $e) {
return new JSONResponse([], Http::STATUS_INTERNAL_SERVER_ERROR);
}
}
}
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