OCA\Files_Antivirus\RequestHelper

Complexity

Total Complexity

12

Size/Duplication

Total Lines	55
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
D	getUploadSize()	0	32	10
A	isScriptName()	0	4	1

<?php
/**
 * Copyright (c) 2017 Viktar Dubiniuk <dubiniuk@owncloud.com>
 * This file is licensed under the Affero General Public License version 3 or
 * later.
 * See the COPYING-README file.
 */

namespace OCA\Files_Antivirus;

use \OCP\IRequest;

class RequestHelper {

	/** @var  IRequest */
	private $request;

	public function __construct(IRequest $request) {
		$this->request = $request;
	}

	/**
	 * @return int|null
	 */
	public function getUploadSize() {
		// Chunks are not scanned anyway. Skip chunks dav v1 due to performance
		if (\OC_FileChunking::isWebdavChunk()) {
			return null;
		}

		try {
			$pathInfo = $this->request->getPathInfo();
		} catch (\Exception $e) {
			// CLI?
			return null;
		}

		$requestMethod = $this->request->getMethod();

		$isRemoteScript = $this->isScriptName('remote.php');
		$isDavPathV1 = $pathInfo === '/webdav' || strpos($pathInfo, '/webdav/') === 0;
		$isDavPathV2 = $pathInfo === '/dav/files'
			|| strpos($pathInfo, '/dav/files/') === 0
			|| strpos($pathInfo, '/dav/uploads/') === 0
		;
		$isDavRequest = $isRemoteScript	&& ($isDavPathV1 || $isDavPathV2);

		// No upload in progress
		if (!$isDavRequest || !in_array($requestMethod, ['MOVE', 'PUT'])){
			return null;
		}

		$uploadSize = (int) $this->request->getHeader('CONTENT_LENGTH');

		return $uploadSize;
	}

	/**
	 *
	 * @param $string
	 * @return bool
	 */
	public function isScriptName($string) {
		$pattern = sprintf('|/%s|', preg_quote($string));
		return preg_match($pattern, $this->request->getScriptName()) === 1;
	}
}