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richdocuments/lib/genesis.php

98 lines
2.4 KiB
PHP

<?php
/**
* ownCloud - Richdocuments App
*
* @author Victor Dubiniuk
* @copyright 2013 Victor Dubiniuk victor.dubiniuk@gmail.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Richdocuments;
use \OC\Files\View;
class Genesis {
const DOCUMENTS_DIRNAME='/documents';
protected $view;
protected $path;
protected $hash;
/**
* Create new genesis document
* @param File $file
* */
public function __construct(File $file){
$view = $file->getOwnerView();
$path = $file->getPath();
$owner = $file->getOwner();
$this->view = new View('/' . $owner);
if (!$this->view->file_exists(self::DOCUMENTS_DIRNAME)){
$this->view->mkdir(self::DOCUMENTS_DIRNAME );
}
$this->validate($view, $path);
$this->hash = $view->hash('sha1', $path, false);
$this->path = self::DOCUMENTS_DIRNAME . '/' . $this->hash . '.odt';
if (!$this->view->file_exists($this->path)){
//copy new genesis to /user/documents/{hash}.odt
// get decrypted content
$content = $view->file_get_contents($path);
$mimetype = $view->getMimeType($path);
$data = Filter::read($content, $mimetype);
$this->view->file_put_contents($this->path, $data['content']);
}
try {
$this->validate($this->view, $this->path);
} catch (\Exception $e){
throw new \Exception('Failed to copy genesis');
}
}
public function getPath(){
return $this->path;
}
public function getHash(){
return $this->hash;
}
/**
* Check if genesis is valid
* @param \OC\Files\View $view
* @param string $path relative to the view
* @throws \Exception
*/
protected function validate($view, $path){
if (!$view->file_exists($path)){
throw new \Exception('Document not found ' . $path);
}
if (!$view->is_file($path)){
throw new \Exception('Object ' . $path . ' is not a file.');
}
//TODO check if it is a valid odt
}
}