nextcloud/lib/private/AppFramework/OCS/BaseResponse.php

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<?php
/**
* @copyright 2016 Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\AppFramework\OCS;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\Http\EmptyContentSecurityPolicy;
use OCP\AppFramework\Http\Response;
abstract class BaseResponse extends Response {
/** @var array */
protected $data;
/** @var string */
protected $format;
/** @var string */
protected $statusMessage;
/** @var int */
protected $itemsCount;
/** @var int */
protected $itemsPerPage;
/**
* BaseResponse constructor.
*
* @param DataResponse|null $dataResponse
* @param string $format
* @param string|null $statusMessage
* @param int|null $itemsCount
* @param int|null $itemsPerPage
*/
public function __construct(DataResponse $dataResponse,
$format = 'xml',
$statusMessage = null,
$itemsCount = null,
$itemsPerPage = null) {
$this->format = $format;
$this->statusMessage = $statusMessage;
$this->itemsCount = $itemsCount;
$this->itemsPerPage = $itemsPerPage;
$this->data = $dataResponse->getData();
$this->setHeaders($dataResponse->getHeaders());
$this->setStatus($dataResponse->getStatus());
$this->setETag($dataResponse->getETag());
$this->setLastModified($dataResponse->getLastModified());
$this->setCookies($dataResponse->getCookies());
$this->setContentSecurityPolicy(new EmptyContentSecurityPolicy());
if ($format === 'json') {
$this->addHeader(
'Content-Type', 'application/json; charset=utf-8'
);
} else {
$this->addHeader(
'Content-Type', 'application/xml; charset=utf-8'
);
}
}
/**
* @param string[] $meta
* @return string
*/
protected function renderResult(array $meta): string {
$status = $this->getStatus();
if ($status === Http::STATUS_NO_CONTENT ||
$status === Http::STATUS_NOT_MODIFIED ||
($status >= 100 && $status <= 199)) {
// Those status codes are not supposed to have a body:
// https://stackoverflow.com/q/8628725
return '';
}
$response = [
'ocs' => [
'meta' => $meta,
'data' => $this->data,
],
];
if ($this->format === 'json') {
return json_encode($response, JSON_HEX_TAG);
}
$writer = new \XMLWriter();
$writer->openMemory();
$writer->setIndent(true);
$writer->startDocument();
$this->toXML($response, $writer);
$writer->endDocument();
return $writer->outputMemory(true);
}
/**
* @param array $array
* @param \XMLWriter $writer
*/
protected function toXML(array $array, \XMLWriter $writer) {
foreach ($array as $k => $v) {
if ($k[0] === '@') {
$writer->writeAttribute(substr($k, 1), $v);
continue;
}
if (\is_numeric($k)) {
$k = 'element';
}
if (\is_array($v)) {
$writer->startElement($k);
$this->toXML($v, $writer);
$writer->endElement();
} else {
$writer->writeElement($k, $v);
}
}
}
public function getOCSStatus() {
return parent::getStatus();
}
}