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Merge pull request #3749 from nextcloud/fix/remote-request-lazy
fix: Avoid requesting remote endpoints during bootstrap
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| <?php | ||
|
|
||
| declare(strict_types=1); | ||
| /** | ||
| * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors | ||
| * SPDX-License-Identifier: AGPL-3.0-or-later | ||
| */ | ||
|
|
||
| namespace OCA\Richdocuments\Service; | ||
|
|
||
| use OCA\Richdocuments\AppInfo\Application; | ||
| use OCP\Files\AppData\IAppDataFactory; | ||
| use OCP\Files\NotFoundException; | ||
| use OCP\Files\SimpleFS\ISimpleFolder; | ||
| use OCP\Http\Client\IClient; | ||
| use OCP\Http\Client\IClientService; | ||
| use OCP\IAppConfig; | ||
| use OCP\ICacheFactory; | ||
| use Psr\Log\LoggerInterface; | ||
|
|
||
| abstract class CachedRequestService { | ||
|
|
||
| public function __construct( | ||
| private IClientService $clientService, | ||
| private ICacheFactory $cacheFactory, | ||
| private IAppDataFactory $appDataFactory, | ||
| private IAppConfig $appConfig, | ||
| private LoggerInterface $logger, | ||
| private string $cacheKey, | ||
| ) { | ||
| } | ||
|
|
||
| /** | ||
| * Method to implement sending a request and returning the result as a string | ||
| * @throw \Exception in case the request fails | ||
| */ | ||
| abstract protected function sendRequest(IClient $client): string; | ||
|
|
||
| public function get(): ?string { | ||
| $cache = $this->cacheFactory->createDistributed('richdocuments'); | ||
|
|
||
| if ($cached = $cache->get($this->cacheKey)) { | ||
| return $cached; | ||
| } | ||
|
|
||
| $folder = $this->getAppDataFolder(); | ||
| if ($folder->fileExists($this->cacheKey)) { | ||
| $value = $folder->getFile($this->cacheKey)->getContent(); | ||
| $cache->set($this->cacheKey, $value, 3600); | ||
| return $value; | ||
| } | ||
|
|
||
| return null; | ||
| } | ||
|
|
||
| public function getLastUpdate(): ?int { | ||
| $folder = $this->getAppDataFolder(); | ||
| if (!$folder->fileExists($this->cacheKey)) { | ||
| return null; | ||
| } | ||
| return $folder->getFile($this->cacheKey)->getMTime(); | ||
| } | ||
|
|
||
| /** | ||
| * Cached value will be kept if the request fails | ||
| * | ||
| * @return string | ||
| * @throws \Exception | ||
| */ | ||
| final public function fetch(): string { | ||
| $cache = $this->cacheFactory->createDistributed('richdocuments'); | ||
| $client = $this->clientService->newClient(); | ||
|
|
||
| $startTime = microtime(true); | ||
| $response = $this->sendRequest($client); | ||
| $duration = round(((microtime(true) - $startTime)), 3); | ||
| $this->logger->info('Fetched remote endpoint from ' . $this->cacheKey . ' in ' . $duration . ' seconds'); | ||
|
|
||
| $this->getAppDataFolder()->newFile($this->cacheKey, $response); | ||
| $cache->set($this->cacheKey, $response); | ||
| return $response; | ||
| } | ||
|
|
||
| public function resetCache(): void { | ||
| $cache = $this->cacheFactory->createDistributed('richdocuments'); | ||
| $cache->remove($this->cacheKey); | ||
| $folder = $this->getAppDataFolder(); | ||
| if ($folder->fileExists($this->cacheKey)) { | ||
| $folder->getFile($this->cacheKey)->delete(); | ||
| } | ||
| } | ||
|
|
||
| protected function getDefaultRequestOptions(): array { | ||
| $options = [ | ||
| 'timeout' => 5, | ||
| 'nextcloud' => [ | ||
| 'allow_local_address' => true | ||
| ] | ||
| ]; | ||
|
|
||
| if ($this->appConfig->getValueString('richdocuments', 'disable_certificate_verification') === 'yes') { | ||
| $options['verify'] = false; | ||
| } | ||
|
|
||
| if ($this->isProxyStarting()) { | ||
| $options['timeout'] = 180; | ||
| } | ||
|
|
||
| return $options; | ||
| } | ||
|
|
||
| private function getAppDataFolder(): ISimpleFolder { | ||
| $appData = $this->appDataFactory->get(Application::APPNAME); | ||
| try { | ||
| $folder = $appData->getFolder('remoteData'); | ||
| } catch (NotFoundException $e) { | ||
| $folder = $appData->newFolder('remoteData'); | ||
| } | ||
| return $folder; | ||
| } | ||
|
|
||
| /** | ||
| * @return boolean indicating if proxy.php is in initialize or false otherwise | ||
| */ | ||
| private function isProxyStarting(): bool { | ||
| $url = $this->appConfig->getValueString('richdocuments', 'wopi_url', ''); | ||
| $usesProxy = false; | ||
| $proxyPos = strrpos($url, 'proxy.php'); | ||
| if ($proxyPos !== false) { | ||
| $usesProxy = true; | ||
| } | ||
|
|
||
| if ($usesProxy === true) { | ||
| $statusUrl = substr($url, 0, $proxyPos); | ||
| $statusUrl = $statusUrl . 'proxy.php?status'; | ||
|
|
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| $client = $this->clientService->newClient(); | ||
| $options = ['timeout' => 5, 'nextcloud' => ['allow_local_address' => true]]; | ||
|
|
||
| if ($this->appConfig->getValueString('richdocuments', 'disable_certificate_verification') === 'yes') { | ||
| $options['verify'] = false; | ||
| } | ||
|
|
||
| try { | ||
| $response = $client->get($statusUrl, $options); | ||
|
|
||
| if ($response->getStatusCode() === 200) { | ||
| $body = json_decode($response->getBody(), true); | ||
|
|
||
| if ($body['status'] === 'starting' | ||
| || $body['status'] === 'stopped' | ||
| || $body['status'] === 'restarting') { | ||
| return true; | ||
| } | ||
| } | ||
| } catch (\Exception $e) { | ||
| // ignore | ||
| } | ||
| } | ||
|
|
||
| return false; | ||
| } | ||
| } |
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