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-rw-r--r--lib/private/appframework/utility/simplecontainer.php27
1 files changed, 15 insertions, 12 deletions
diff --git a/lib/private/appframework/utility/simplecontainer.php b/lib/private/appframework/utility/simplecontainer.php
index c0c47cf4644..9e80f89e458 100644
--- a/lib/private/appframework/utility/simplecontainer.php
+++ b/lib/private/appframework/utility/simplecontainer.php
@@ -1,22 +1,25 @@
<?php
/**
- * ownCloud - App Framework
+ * @author Bernhard Posselt <dev@bernhard-posselt.com>
+ * @author Jörn Friedrich Dreyer <jfd@butonic.de>
+ * @author Lukas Reschke <lukas@owncloud.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
*
- * @author Bernhard Posselt
- * @copyright 2014 Bernhard Posselt <dev@bernhard-posselt.com>
+ * @copyright Copyright (c) 2015, ownCloud, Inc.
+ * @license AGPL-3.0
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
+ * 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 library is distributed in the hope that it will be useful,
+ * 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.
+ * 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 library. If not, see <http://www.gnu.org/licenses/>.
+ * 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/>
*
*/
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<?php
/**
 * Copyright (c) 2013 Georg Ehrke georg@ownCloud.com
 * This file is licensed under the Affero General Public License version 3 or
 * later.
 * See the COPYING-README file.
 */
namespace OC\Preview;

abstract class Office extends Provider {
	private $cmd;

	/**
	 * {@inheritDoc}
	 */
	public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
		$this->initCmd();
		if(is_null($this->cmd)) {
			return false;
		}

		$absPath = $fileview->toTmpFile($path);

		$tmpDir = get_temp_dir();

		$defaultParameters = ' -env:UserInstallation=file://' . escapeshellarg($tmpDir . '/owncloud-' . \OC_Util::getInstanceId().'/') . ' --headless --nologo --nofirststartwizard --invisible --norestore --convert-to pdf --outdir ';
		$clParameters = \OCP\Config::getSystemValue('preview_office_cl_parameters', $defaultParameters);

		$exec = $this->cmd . $clParameters . escapeshellarg($tmpDir) . ' ' . escapeshellarg($absPath);

		shell_exec($exec);

		//create imagick object from pdf
		try{
			$pdf = new \imagick($absPath . '.pdf' . '[0]');
			$pdf->setImageFormat('jpg');
		} catch (\Exception $e) {
			unlink($absPath);
			unlink($absPath . '.pdf');
			\OC_Log::write('core', $e->getmessage(), \OC_Log::ERROR);
			return false;
		}

		$image = new \OC_Image();
		$image->loadFromData($pdf);

		unlink($absPath);
		unlink($absPath . '.pdf');

		return $image->valid() ? $image : false;
	}

	private function initCmd() {
		$cmd = '';

		if(is_string(\OC_Config::getValue('preview_libreoffice_path', null))) {
			$cmd = \OC_Config::getValue('preview_libreoffice_path', null);
		}

		$whichLibreOffice = shell_exec('command -v libreoffice');
		if($cmd === '' && !empty($whichLibreOffice)) {
			$cmd = 'libreoffice';
		}

		$whichOpenOffice = shell_exec('command -v openoffice');
		if($cmd === '' && !empty($whichOpenOffice)) {
			$cmd = 'openoffice';
		}

		if($cmd === '') {
			$cmd = null;
		}

		$this->cmd = $cmd;
	}
}