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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 \GuzzleHttp\Client;
use \GuzzleHttp\Post\PostFile;
use OCP\Http\Client\IClient;
use OCP\Http\Client\IClientService;
use OCP\IConfig;
abstract class Office extends Provider {
/** @var IClientService */
private $clientService;
/** @var IConfig */
private $config;
public function __construct(IClientService $clientService, IConfig $config) {
$this->clientService = $clientService;
$this->config = $config;
}
private function getWopiURL() {
return $this->config->getAppValue('richdocuments', 'wopi_url');
}
/**
* {@inheritDoc}
*/
public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
$stream = $fileview->fopen($path, 'r');
$client = $this->clientService->newClient();
try {
// Since we upgraded guzzle in NC14 we have to do some dark magic here
if (version_compare($this->config->getSystemValue('version'), '14.0.0.0', '<')) {
$response = $client->post($this->getWopiURL() . '/lool/convert-to/png', [
'timeout' => 10.0,
'body' => [
new PostFile($path, $stream),
],
]);
} else {
$response = $client->post($this->getWopiURL() . '/lool/convert-to/png', [
'timeout' => 10.0,
'multipart' => [
[
'name' => $path,
'contents' => $stream,
]
],
]);
}
} 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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