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114 lines
2.9 KiB
PHP
114 lines
2.9 KiB
PHP
<?php
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/**
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* ownCloud - Documents App
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*
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* @author Victor Dubiniuk
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* @copyright 2013 Victor Dubiniuk victor.dubiniuk@gmail.com
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library 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
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\Documents;
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class Genesis {
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const DOCUMENTS_DIRNAME='/documents';
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protected $view;
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protected $path;
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protected $hash;
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/**
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* Create new genesis document
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* @param OCA\Documents\File $file
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* */
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public function __construct(\OCA\Documents\File $file){
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list($view, $path) = $file->getOwnerViewAndPath();
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$owner = $file->getOwner();
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$this->view = new View('/' . $owner);
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if (!$this->view->file_exists(self::DOCUMENTS_DIRNAME)){
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$this->view->mkdir(self::DOCUMENTS_DIRNAME );
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}
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$this->hash = $this->getDocumentHash($view, $path);
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$this->path = self::DOCUMENTS_DIRNAME . '/' . $this->hash . '.odt';
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if (!$this->view->file_exists($this->path)){
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//copy new genesis to /user/documents/{hash}.odt
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// get decrypted content
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$content = $view->file_get_contents($path);
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$mimetype = $view->getMimeType($path);
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$data = Filter::read($content, $mimetype);
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$proxyStatus = \OC_FileProxy::$enabled;
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\OC_FileProxy::$enabled = false;
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$this->view->file_put_contents($this->path, $data['content']);
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\OC_FileProxy::$enabled = $proxyStatus;
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}
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try {
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$this->validate($this->view, $this->path);
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} catch (\Exception $e){
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throw new \Exception('Failed to copy genesis');
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}
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}
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public function getPath(){
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return $this->path;
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}
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public function getHash(){
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return $this->hash;
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}
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public static function getHashByPath($path){
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return preg_replace('|([a-zA-Z0-9])*\..*$|', '\1', $path);
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}
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protected function getDocumentHash($view, $path){
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$this->validate($view, $path);
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$proxyStatus = \OC_FileProxy::$enabled;
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\OC_FileProxy::$enabled = false;
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$hash = sha1($view->file_get_contents($path));
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\OC_FileProxy::$enabled = $proxyStatus;
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return $hash;
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}
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/**
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* Check if genesis is valid
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* @param OCA\Documents\View $view
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* @param string $path relative to the view
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* @throws \Exception
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*/
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protected function validate($view, $path){
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if (!$view->file_exists($path)){
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throw new \Exception('Document not found ' . $path);
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}
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if (!$view->is_file($path)){
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throw new \Exception('Object ' . $path . ' is not a file.');
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}
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//TODO check if it is a valid odt
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}
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}
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