114 lines
2.6 KiB
PHP
114 lines
2.6 KiB
PHP
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<?php
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/**
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* @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program 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 License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\WorkflowEngine\Check;
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use OCP\Files\Storage\IStorage;
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use OCP\IRequest;
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use OCP\Util;
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use OCP\WorkflowEngine\ICheck;
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class FileSize implements ICheck {
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/** @var int */
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protected $size;
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/** @var IRequest */
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protected $request;
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/**
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* @param IRequest $request
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*/
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public function __construct(IRequest $request) {
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$this->request = $request;
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}
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/**
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* @param IStorage $storage
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* @param string $path
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*/
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public function setFileInfo(IStorage $storage, $path) {
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}
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/**
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* @param string $operator
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* @param string $value
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* @return bool
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*/
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public function executeCheck($operator, $value) {
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$size = $this->getFileSizeFromHeader();
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$value = Util::computerFileSize($value);
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if ($size !== false) {
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switch ($operator) {
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case 'less':
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return $size < $value;
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case '!less':
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return $size >= $value;
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case 'greater':
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return $size > $value;
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case '!greater':
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return $size <= $value;
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}
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}
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return false;
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}
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/**
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* @param string $operator
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* @param string $value
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* @throws \UnexpectedValueException
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*/
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public function validateCheck($operator, $value) {
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if (!in_array($operator, ['less', '!less', 'greater', '!greater'])) {
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throw new \UnexpectedValueException('Invalid operator', 1);
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}
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if (!preg_match('/^[0-9]+[ ]?[kmgt]?b$/i', $value)) {
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throw new \UnexpectedValueException('Invalid file size', 2);
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}
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}
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/**
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* @return string
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*/
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protected function getFileSizeFromHeader() {
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if ($this->size !== null) {
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return $this->size;
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}
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$size = $this->request->getHeader('OC-Total-Length');
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if ($size === null) {
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if (in_array($this->request->getMethod(), ['POST', 'PUT'])) {
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$size = $this->request->getHeader('Content-Length');
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}
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}
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if ($size === null) {
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$size = false;
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}
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$this->size = $size;
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return $this->size;
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}
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}
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