1 files changed, 134 insertions, 0 deletions
diff --git a/lib/private/preview/office-cl.php b/lib/private/preview/office-cl.php
new file mode 100644
index 00000000000..112909d6523
--- /dev/null
+++ b/lib/private/preview/office-cl.php
@@ -0,0 +1,134 @@
+<?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;
+
+//we need imagick to convert
+class Office extends Provider {
+
+	private $cmd;
+
+	public function getMimeType() {
+		return null;
+	}
+
+	public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
+		$this->initCmd();
+		if(is_null($this->cmd)) {
+			return false;
+		}
+
+		$absPath = $fileview->toTmpFile($path);
+
+		$tmpDir = get_temp_dir();
+
+		$defaultParameters = ' --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);
+		$export = 'export HOME=/' . $tmpDir;
+
+		shell_exec($export . "\n" . $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;
+		}
+
+		$image = new \OC_Image($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);
+		}
+
+		$whichLibreOffice = shell_exec('which libreoffice');
+		if($cmd === '' && !empty($whichLibreOffice)) {
+			$cmd = 'libreoffice';
+		}
+
+		$whichOpenOffice = shell_exec('which openoffice');
+		if($cmd === '' && !empty($whichOpenOffice)) {
+			$cmd = 'openoffice';
+		}
+
+		if($cmd === '') {
+			$cmd = null;
+		}
+
+		$this->cmd = $cmd;
+	}
+}
+
+//.doc, .dot
+class MSOfficeDoc extends Office {
+
+	public function getMimeType() {
+		return '/application\/msword/';
+	}
+
+}
+
+\OC\Preview::registerProvider('OC\Preview\MSOfficeDoc');
+
+//.docm, .dotm, .xls(m), .xlt(m), .xla(m), .ppt(m), .pot(m), .pps(m), .ppa(m)
+class MSOffice2003 extends Office {
+
+	public function getMimeType() {
+		return '/application\/vnd.ms-.*/';
+	}
+
+}
+
+\OC\Preview::registerProvider('OC\Preview\MSOffice2003');
+
+//.docx, .dotx, .xlsx, .xltx, .pptx, .potx, .ppsx
+class MSOffice2007 extends Office {
+
+	public function getMimeType() {
+		return '/application\/vnd.openxmlformats-officedocument.*/';
+	}
+
+}
+
+\OC\Preview::registerProvider('OC\Preview\MSOffice2007');
+
+//.odt, .ott, .oth, .odm, .odg, .otg, .odp, .otp, .ods, .ots, .odc, .odf, .odb, .odi, .oxt
+class OpenDocument extends Office {
+
+	public function getMimeType() {
+		return '/application\/vnd.oasis.opendocument.*/';
+	}
+
+}
+
+\OC\Preview::registerProvider('OC\Preview\OpenDocument');
+
+//.sxw, .stw, .sxc, .stc, .sxd, .std, .sxi, .sti, .sxg, .sxm
+class StarOffice extends Office {
+
+	public function getMimeType() {
+		return '/application\/vnd.sun.xml.*/';
+	}
+
+}
+
+\OC\Preview::registerProvider('OC\Preview\StarOffice');
+\ No newline at end of file