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<?php
/**
* @copyright Copyright (c) 2019, 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 OCA\Richdocuments\Service;
use OCP\App\IAppManager;
use OCP\Http\Client\IClientService;
use OCP\ICache;
use OCP\ICacheFactory;
use OCP\IConfig;
class CapabilitiesService {
/** @var IConfig */
private $config;
/** @var IClientService */
private $clientService;
/** @var ICache */
private $cache;
/** @var IAppManager */
private $appManager;
/** @var array */
private $capabilities;
public function __construct(IConfig $config, IClientService $clientService, ICacheFactory $cacheFactory, IAppManager $appManager) {
$this->config = $config;
$this->clientService = $clientService;
$this->cache = $cacheFactory->createDistributed('richdocuments');
$this->appManager = $appManager;
}
public function getCapabilities() {
if (!$this->capabilities) {
$this->capabilities = $this->cache->get('capabilities');
}
$isARM64 = php_uname('m') === 'aarch64';
$CODEAppID = $isARM64 ? 'richdocumentscode_arm64' : 'richdocumentscode';
$isCODEInstalled = $this->appManager->isEnabledForUser($CODEAppID);
$isCODEEnabled = strpos($this->config->getAppValue('richdocuments', 'wopi_url'), 'proxy.php?req=') !== false;
$shouldRecheckCODECapabilities = $isCODEInstalled && $isCODEEnabled && ($this->capabilities === null || count($this->capabilities) === 0);
if($this->capabilities === null || $shouldRecheckCODECapabilities) {
$this->refetch();
}
if (!is_array($this->capabilities)) {
return [];
}
return $this->capabilities;
}
public function hasDrawSupport(): bool {
$productVersion = $this->getCapabilities()['productVersion'] ?? '0.0.0.0';
return version_compare($productVersion, '6.4.7', '>=');
}
public function hasTemplateSaveAs(): bool {
return $this->getCapabilities()['hasTemplateSaveAs'] ?? false;
}
public function hasTemplateSource(): bool {
return $this->getCapabilities()['hasTemplateSource'] ?? false;
}
public function clear(): void {
$this->cache->remove('capabilities');
}
public function refetch(): void {
$remoteHost = $this->config->getAppValue('richdocuments', 'wopi_url');
if ($remoteHost === '') {
return;
}
$capabilitiesEndpoint = rtrim($remoteHost, '/') . '/hosting/capabilities';
$client = $this->clientService->newClient();
$options = ['timeout' => 45, 'nextcloud' => ['allow_local_address' => true]];
if ($this->config->getAppValue('richdocuments', 'disable_certificate_verification') === 'yes') {
$options['verify'] = false;
}
try {
$response = $client->get($capabilitiesEndpoint, $options);
$responseBody = $response->getBody();
$capabilities = \json_decode($responseBody, true);
if (!is_array($capabilities)) {
$capabilities = [];
}
} catch (\Exception $e) {
$capabilities = [];
}
$this->capabilities = $capabilities;
$ttl = 3600;
if (count($capabilities) === 0)
$ttl = 60;
$this->cache->set('capabilities', $capabilities, $ttl);
}
}
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