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<?php
/**
* @copyright Copyright (c) 2018, Collabora Productivity.
*
* @author Tor Lillqvist <tml@collabora.com>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Richdocuments\Preview;
use OC\Preview\Provider;
use OCA\Richdocuments\Capabilities;
use OCP\Http\Client\IClientService;
use OCP\IConfig;
abstract class Office extends Provider {
/** @var IClientService */
private $clientService;
/** @var IConfig */
private $config;
/** @var array */
private $capabilitites;
public function __construct(IClientService $clientService, IConfig $config, Capabilities $capabilities) {
$this->clientService = $clientService;
$this->config = $config;
$this->capabilitites = $capabilities->getCapabilities()['richdocuments'];
}
private function getWopiURL() {
return $this->config->getAppValue('richdocuments', 'wopi_url');
}
public function isAvailable(\OCP\Files\FileInfo $file) {
if (isset($this->capabilitites['collabora']['convert-to'])) {
return $this->capabilitites['collabora']['convert-to'];
}
return false;
}
/**
* {@inheritDoc}
*/
public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
$stream = $fileview->fopen($path, 'r');
$client = $this->clientService->newClient();
$options = ['timeout' => 10];
if ($this->config->getAppValue('richdocuments', 'disable_certificate_verification') === 'yes') {
$options['verify'] = false;
}
$options['multipart'] = [['name' => $path, 'contents' => $stream]];
try {
$response = $client->post($this->getWopiURL(). '/lool/convert-to/png', $options);
} catch (\Exception $e) {
return false;
}
$image = new \OC_Image();
$image->loadFromData($response->getBody());
if ($image->valid()) {
$image->scaleDownToFit($maxX, $maxY);
return $image;
}
return false;
}
}
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