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<?php |
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/** |
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* @copyright Copyright (c) 2018, Collabora Productivity. |
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* |
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* @author Tor Lillqvist <[email protected]> |
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* |
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* @license AGPL-3.0 |
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* |
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* This code 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, version 3, |
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* as published by the Free Software Foundation. |
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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, version 3, |
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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\Preview; |
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use OC\Preview\Provider; |
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use OCA\Richdocuments\Capabilities; |
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use OCP\Http\Client\IClientService; |
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use OCP\IConfig; |
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use OCP\ILogger; |
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abstract class Office extends Provider { |
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/** @var IClientService */ |
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private $clientService; |
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/** @var IConfig */ |
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private $config; |
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/** @var array */ |
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private $capabilitites; |
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/** @var ILogger */ |
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private $logger; |
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public function __construct(IClientService $clientService, IConfig $config, Capabilities $capabilities, ILogger $logger) { |
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$this->clientService = $clientService; |
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$this->config = $config; |
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$this->capabilitites = $capabilities->getCapabilities()['richdocuments']; |
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$this->logger = $logger; |
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} |
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private function getWopiURL() { |
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return $this->config->getAppValue('richdocuments', 'wopi_url'); |
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} |
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public function isAvailable(\OCP\Files\FileInfo $file) { |
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if (isset($this->capabilitites['collabora']['convert-to'])) { |
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return $this->capabilitites['collabora']['convert-to']; |
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} |
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return false; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) { |
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$fileInfo = $fileview->getFileInfo($path); |
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if (!$fileInfo || $fileInfo->getSize() === 0) { |
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return false; |
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} |
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$useTempFile = $fileInfo->isEncrypted() || !$fileInfo->getStorage()->isLocal(); |
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if ($useTempFile) { |
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$fileName = $fileview->toTmpFile($path); |
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$stream = fopen($fileName, 'r'); |
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} else { |
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$stream = $fileview->fopen($path, 'r'); |
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} |
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$client = $this->clientService->newClient(); |
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$options = ['timeout' => 10]; |
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if ($this->config->getAppValue('richdocuments', 'disable_certificate_verification') === 'yes') { |
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$options['verify'] = false; |
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} |
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$options['multipart'] = [['name' => $path, 'contents' => $stream]]; |
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try { |
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$response = $client->post($this->getWopiURL(). '/lool/convert-to/png', $options); |
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} catch (\Exception $e) { |
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$this->logger->logException($e, [ |
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'message' => 'Failed to convert file to preview', |
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'level' => ILogger::INFO, |
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'app' => 'richdocuments', |
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]); |
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return false; |
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} |
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$image = new \OC_Image(); |
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$image->loadFromData($response->getBody()); |
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if ($image->valid()) { |
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$image->scaleDownToFit($maxX, $maxY); |
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return $image; |
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} |
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return false; |
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} |
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} |
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nextcloud /
richdocuments
