Uploader::checkPost

public function checkPost($checkPost = true)
{
	if ($checkPost === false && !is_array($this->request->getQuery(self::INFO_NAME)) ||
		$checkPost !== false && !is_array($this->request->getPost(self::INFO_NAME)))
		return false;

	if ($checkPost === false)
		$this->setRequestMethodToCheck(array("get"));

	try
	{
		$this->fillRequireData();
		$cid = FileInputUtility::instance()->registerControl($this->getRequest("CID"), $this->controlId);

		if ($this->mode == "upload")
		{
			$package = new Package(
				$this->path,
				$cid,
				$this->getRequest("packageIndex")
			);
			$package
				->setStorage($this->params["storage"])
				->setCopies($this->params["copies"]);

			$response = $package->checkPost($this->params);

			if ($this->version <= 1)
			{
				$response2 = array();
				foreach ($response as $k => $r)
				{
					$response2[$k] = array(
						"hash" => $r["hash"],
						"status" => $r["status"],
						"file" => $r
					);
					if (isset($r["error"]))
						$response2[$k]["error"] = $r["error"];
				}
				$result = array(
					"status" => $package->getLog("uploadStatus") == "uploaded" ? "done" : "inprogress",
					"package" => array(
						$package->getIndex() => array_merge(
							$package->getLog(),
							array(
								"executed" => $package->getLog("executeStatus") == "executed",
								"filesCount" => $package->getLog("filesCount")
							)
						)
					),
					"report" => array(
						"uploading" => array(
							$package->getCid() => $package->getCidLog()
						)
					),
					"files" => self::prepareData($response2)
				);
				$this->showJsonAnswer($result);
			}
		}
		else if ($this->mode == "delete")
		{
			$cid = FileInputUtility::instance()->registerControl($this->getRequest("CID"), $this->controlId);
			File::deleteFile($cid, $this->getRequest("hash"), $this->path);
		}
		else
		{
			File::viewFile($cid, $this->getRequest("hash"), $this->path);
		}
		return true;
	}
	catch (MainIOIoException $e)
	{
		$this->showJsonAnswer(array(
			"status" => "error",
			"error" => "Something went wrong with the temporary file."
		));
	}
	catch (Exception $e)
	{
		$this->showJsonAnswer(array(
			"status" => "error",
			"error" => $e->getMessage()
		));
	}
	return false;
}