1 files changed, 70 insertions, 0 deletions
diff --git a/lib/private/Preview/SVG.php b/lib/private/Preview/SVG.php
new file mode 100644
index 00000000000..6618c1fbf82
--- /dev/null
+++ b/lib/private/Preview/SVG.php
@@ -0,0 +1,70 @@
+<?php
+/**
+ * @author Georg Ehrke <georg@owncloud.com>
+ * @author Joas Schilling <nickvergessen@owncloud.com>
+ * @author Olivier Paroz <github@oparoz.com>
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @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 OC\Preview;
+
+class SVG extends Provider {
+	/**
+	 * {@inheritDoc}
+	 */
+	public function getMimeType() {
+		return '/image\/svg\+xml/';
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
+		try {
+			$svg = new \Imagick();
+			$svg->setBackgroundColor(new \ImagickPixel('transparent'));
+
+			$content = stream_get_contents($fileview->fopen($path, 'r'));
+			if (substr($content, 0, 5) !== '<?xml') {
+				$content = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>' . $content;
+			}
+
+			// Do not parse SVG files with references
+			if (stripos($content, 'xlink:href') !== false) {
+				return false;
+			}
+
+			$svg->readImageBlob($content);
+			$svg->setImageFormat('png32');
+		} catch (\Exception $e) {
+			\OCP\Util::writeLog('core', $e->getmessage(), \OCP\Util::ERROR);
+			return false;
+		}
+
+		//new image object
+		$image = new \OC_Image();
+		$image->loadFromData($svg);
+		//check if image object is valid
+		if ($image->valid()) {
+			$image->scaleDownToFit($maxX, $maxY);
+
+			return $image;
+		}
+		return false;
+	}
+}