CWebDavDiskDispatcher::processActionUpload

public function processActionUpload(array $params)
{
	$storage = $this->getStorageObject();

	if($this->getDesktopDiskVersion() > 0)
	{
		$this->checkRequiredParams($params, array('name'));
		$filename = $params['name'];
	}

	if(
		$storage::compareVersion(
			$_SERVER['CONTENT_LENGTH'],
			(string)min(CUtil::unformat(ini_get('upload_max_filesize')), CUtil::unformat(ini_get('post_max_size')))) > 0
	)
	{
		return $this->sendResponse(array('status' => static::STATUS_TOO_BIG));
	}
	if(empty($_FILES['file']) || !is_array($_FILES['file']))
	{
		throw new Exception('Please load file!');
	}

	list($startRange, $endRange, $fileSize) = $this->getContentRange();
	if($startRange !== null)
	{
		if( ($endRange - $startRange + 1) != $_FILES['file']['size'] )
		{
			return $this->sendResponse(array(
				'status' => static::STATUS_CHUNK_ERROR,
				'message'=> 'Size of file: ' . $_FILES['file']['size'] . ' not equals size of chunk: ' . ($endRange - $startRange + 1) . '',
			));
		}

		if($startRange == 0)
		{
			//attempt to decide: cloud? not cloud?
			$bucket = $this->findBucketForFile(array(
				'name' => $filename,
				'fileSize' => $fileSize,
			));
			if($bucket !== false)
			{
				$tmpFile = CWebDavTmpFile::buildFromDownloaded($_FILES['file']);
				list($tmpFile->width, $tmpFile->height) = CFile::getImageSize($tmpFile->getAbsolutePath());

				$newFile = clone $tmpFile;
				$newFile->filename = $filename;
				$newFile->isCloud = true;
				$newFile->bucketId = $bucket->ID;
				$newFile->append($tmpFile, compact(
					'startRange', 'endRange', 'fileSize'
				));
				if(!$newFile->save())
				{
					throw new Exception('Error in DB');
				}
			}
			else
			{
				//simple upload
				$newFile = $this->createNewFile();
			}
			return $this->sendSuccess(array(
				'token' => $newFile->name,
			));
		}
		else
		{
			//if run resumable upload we needed token.
			$this->checkRequiredParams($params, array('token'));
			if(!($tmpResumableFile = CWebDavTmpFile::buildByName($params['token'])))
			{
				return $this->sendResponse(array(
					'status' => static::STATUS_CHUNK_ERROR,
					'message'=> 'Not found file by token',
				));
			}
			$success = $tmpResumableFile->append(CWebDavTmpFile::buildFromDownloaded($_FILES['file']), compact(
				'startRange', 'endRange', 'fileSize'
			));
			if($success)
			{
				return $this->sendSuccess(array(
					'token' => $tmpResumableFile->name,
				));
			}
		}
	}
	else
	{
		//simple upload
		$newFile = $this->createNewFile();

		return $this->sendSuccess(array(
			'token' => $newFile->name,
		));
	}
}