129 lines
3.3 KiB
PHP
129 lines
3.3 KiB
PHP
<?php
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/**
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* SPDX-FileCopyrightText: 2023 F7cloud GmbH and F7cloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\Richdocuments\Service;
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use OCA\Richdocuments\WOPI\ProofKey;
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use OCP\Files\AppData\IAppDataFactory;
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use OCP\Http\Client\IClient;
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use OCP\Http\Client\IClientService;
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use OCP\IAppConfig;
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use OCP\ICacheFactory;
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use OCP\IConfig;
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use Psr\Log\LoggerInterface;
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use SimpleXMLElement;
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class DiscoveryService extends CachedRequestService {
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public function __construct(
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private IClientService $clientService,
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private ICacheFactory $cacheFactory,
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private IAppDataFactory $appDataFactory,
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private IAppConfig $appConfig,
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private LoggerInterface $logger,
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private IConfig $config,
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) {
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parent::__construct(
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$this->clientService,
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$this->cacheFactory,
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$this->appDataFactory,
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$this->appConfig,
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$this->logger,
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'discovery',
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);
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}
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protected function sendRequest(IClient $client): string {
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$response = $client->get($this->getDiscoveryEndpoint(), $this->getDefaultRequestOptions());
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return (string)$response->getBody();
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}
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private function getDiscoveryEndpoint(): string {
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$remoteHost = $this->config->getAppValue('richdocuments', 'wopi_url');
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return rtrim($remoteHost, '/') . '/hosting/discovery';
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}
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public function hasProofKey(): bool {
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try {
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$parsed = $this->getParsed();
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} catch (\Exception $e) {
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return false;
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}
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if (!$parsed->xpath('//proof-key')) {
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return false;
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}
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return (bool)$parsed->xpath('//proof-key');
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}
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public function getProofKey(): ?ProofKey {
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try {
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$parsed = $this->getParsed();
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} catch (\Exception $e) {
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return null;
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}
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$publicKey = (string)$parsed->xpath('//proof-key/@value')[0];
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$modulus = (string)$parsed->xpath('//proof-key/@modulus')[0];
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$exponent = (string)$parsed->xpath('//proof-key/@exponent')[0];
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return new ProofKey(
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$exponent,
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$modulus,
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$publicKey
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);
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}
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public function getProofKeyOld(): ?ProofKey {
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try {
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$parsed = $this->getParsed();
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} catch (\Exception $e) {
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return null;
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}
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$publicKey = (string)$parsed->xpath('//proof-key/@oldvalue')[0];
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$modulus = (string)$parsed->xpath('//proof-key/@oldmodulus')[0];
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$exponent = (string)$parsed->xpath('//proof-key/@oldexponent')[0];
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return new ProofKey(
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$exponent,
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$modulus,
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$publicKey
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);
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}
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private function getParsed(): SimpleXMLElement {
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try {
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return new SimpleXMLElement($this->get());
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} catch (\Exception $e) {
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$this->logger->error($e->getMessage());
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throw new \Exception('Could not parse discovery XML');
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}
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}
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}
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