File Manager - BorneoXploit

Editing: SmimeCertificatesController.php

<?php

declare(strict_types=1);

/**
 * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

namespace OCA\Mail\Controller;

use OCA\Mail\Db\SmimeCertificate;
use OCA\Mail\Exception\ServiceException;
use OCA\Mail\Exception\SmimeCertificateParserException;
use OCA\Mail\Http\JsonResponse;
use OCA\Mail\Http\TrapError;
use OCA\Mail\Service\Attachment\UploadedFile;
use OCA\Mail\Service\SmimeService;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\Attribute\OpenAPI;
use OCP\IRequest;

#[OpenAPI(scope: OpenAPI::SCOPE_IGNORE)]
class SmimeCertificatesController extends Controller {
	private ?string $userId;
	private SmimeService $certificateService;

public function __construct(string $appName,
		IRequest $request,
		?string $userId,
		SmimeService $certificateService) {
		parent::__construct($appName, $request);
		$this->userId = $userId;
		$this->certificateService = $certificateService;
	}

/**
	 * @NoAdminRequired
	 *
	 * @throws ServiceException
	 * @throws SmimeCertificateParserException
	 */
	#[TrapError]
	public function index(): JsonResponse {
		if ($this->userId === null) {
			return JsonResponse::fail([], Http::STATUS_UNAUTHORIZED);
		}

$certificates = $this->certificateService->findAllCertificates($this->userId);
		$certificates = array_map(fn (SmimeCertificate $certificate) => $this->certificateService->enrichCertificate($certificate), $certificates);
		return JsonResponse::success($certificates);
	}

/**
	 * @NoAdminRequired
	 *
	 * @param int $id
	 * @return JsonResponse
	 *
	 * @throws DoesNotExistException
	 */
	#[TrapError]
	public function destroy(int $id): JsonResponse {
		if ($this->userId === null) {
			return JsonResponse::fail([], Http::STATUS_UNAUTHORIZED);
		}

$this->certificateService->deleteCertificate($id, $this->userId);
		return JsonResponse::success();
	}

/**
	 * @NoAdminRequired
	 *
	 * @return JsonResponse
	 *
	 * @throws ServiceException
	 * @throws SmimeCertificateParserException
	 */
	#[TrapError]
	public function create(): JsonResponse {
		if ($this->userId === null) {
			return JsonResponse::fail([], Http::STATUS_UNAUTHORIZED);
		}

// TODO: What about PKCS12 certificates?
		// They need to be decrypted by the client because they are protected by a password.
		// We could use
		//  - https://w3c.github.io/FileAPI/#reading-data-section
		//  - https://github.com/digitalbazaar/forge#pkcs12
		// to read and decrypt a PKCS12 certificate in the browser.
		// The decrypted data could be attached to hidden file inputs and then sent to this endpoint
		// as well.

$attachedCertificate = $this->request->getUploadedFile('certificate');
		$attachedPrivateKey = $this->request->getUploadedFile('privateKey');

if ($attachedCertificate === null) {
			return JsonResponse::fail(
				'No certificate attached',
				Http::STATUS_UNPROCESSABLE_ENTITY,
			);
		}

$certificateFile = new UploadedFile($attachedCertificate);
		$certificateData = file_get_contents($certificateFile->getTempPath() ?? '');
		if ($certificateData === false) {
			return JsonResponse::fail(
				'Could not read certificate file',
				Http::STATUS_UNPROCESSABLE_ENTITY,
			);
		}

$privateKeyData = null;
		if ($attachedPrivateKey !== null) {
			$privateKeyFile = new UploadedFile($attachedPrivateKey);
			$privateKeyData = file_get_contents($privateKeyFile->getTempPath() ?? '');
			if ($privateKeyData === false) {
				return JsonResponse::fail(
					'Could not read private key file',
					Http::STATUS_UNPROCESSABLE_ENTITY,
				);
			}
		}

$certificate = $this->certificateService->createCertificate(
			$this->userId,
			$certificateData,
			$privateKeyData,
		);
		$enrichedCertificate = $this->certificateService->enrichCertificate($certificate);
		return JsonResponse::success($enrichedCertificate);
	}
}

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