Capabilities.php

<?php

declare(strict_types=1);
/**
 * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */


namespace OCA\EndToEndEncryption;

use OCP\Capabilities\ICapability;
use OCP\IUser;
use OCP\IUserSession;

class Capabilities implements ICapability {
	private Config $config;
	private IUserSession $userSession;
	private IKeyStorage $keyStorage;

	public function __construct(Config $config, IUserSession $userSession, IKeyStorage $keyStorage) {
		$this->config = $config;
		$this->userSession = $userSession;
		$this->keyStorage = $keyStorage;
	}

	public function getCapabilities(): array {
		$user = $this->userSession->getUser();
		if (!($user instanceof IUser) || $this->config->isDisabledForUser($user)) {
			return [];
		}

		$keysExist = $this->keyStorage->publicKeyExists($user->getUID()) &&
			$this->keyStorage->privateKeyExists($user->getUID());

		$capabilities = ['end-to-end-encryption' =>
			[
				'enabled' => true,
				'api-version' => '2.0',
				'keys-exist' => $keysExist,
			]
		];

		return $capabilities;
	}
}