139 lines
3.2 KiB
PHP
139 lines
3.2 KiB
PHP
<?php
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/**
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* Copyright (c) 2013 Georg Ehrke georg@ownCloud.com
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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namespace OC\Preview;
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// office preview is currently not supported on Windows
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if (!\OC_Util::runningOnWindows()) {
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//we need imagick to convert
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class Office extends Provider {
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private $cmd;
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public function getMimeType() {
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return null;
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}
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public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
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$this->initCmd();
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if(is_null($this->cmd)) {
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return false;
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}
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$absPath = $fileview->toTmpFile($path);
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$tmpDir = get_temp_dir();
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$defaultParameters = ' --headless --nologo --nofirststartwizard --invisible --norestore -convert-to pdf -outdir ';
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$clParameters = \OCP\Config::getSystemValue('preview_office_cl_parameters', $defaultParameters);
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$exec = $this->cmd . $clParameters . escapeshellarg($tmpDir) . ' ' . escapeshellarg($absPath);
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$export = 'export HOME=/' . $tmpDir;
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shell_exec($export . "\n" . $exec);
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//create imagick object from pdf
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try{
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$pdf = new \imagick($absPath . '.pdf' . '[0]');
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$pdf->setImageFormat('jpg');
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} catch (\Exception $e) {
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unlink($absPath);
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unlink($absPath . '.pdf');
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\OC_Log::write('core', $e->getmessage(), \OC_Log::ERROR);
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return false;
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}
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$image = new \OC_Image();
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$image->loadFromData($pdf);
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unlink($absPath);
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unlink($absPath . '.pdf');
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return $image->valid() ? $image : false;
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}
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private function initCmd() {
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$cmd = '';
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if(is_string(\OC_Config::getValue('preview_libreoffice_path', null))) {
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$cmd = \OC_Config::getValue('preview_libreoffice_path', null);
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}
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$whichLibreOffice = shell_exec('which libreoffice');
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if($cmd === '' && !empty($whichLibreOffice)) {
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$cmd = 'libreoffice';
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}
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$whichOpenOffice = shell_exec('which openoffice');
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if($cmd === '' && !empty($whichOpenOffice)) {
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$cmd = 'openoffice';
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}
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if($cmd === '') {
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$cmd = null;
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}
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$this->cmd = $cmd;
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}
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}
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//.doc, .dot
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class MSOfficeDoc extends Office {
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public function getMimeType() {
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return '/application\/msword/';
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}
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}
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\OC\Preview::registerProvider('OC\Preview\MSOfficeDoc');
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//.docm, .dotm, .xls(m), .xlt(m), .xla(m), .ppt(m), .pot(m), .pps(m), .ppa(m)
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class MSOffice2003 extends Office {
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public function getMimeType() {
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return '/application\/vnd.ms-.*/';
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}
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}
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\OC\Preview::registerProvider('OC\Preview\MSOffice2003');
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//.docx, .dotx, .xlsx, .xltx, .pptx, .potx, .ppsx
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class MSOffice2007 extends Office {
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public function getMimeType() {
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return '/application\/vnd.openxmlformats-officedocument.*/';
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}
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}
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\OC\Preview::registerProvider('OC\Preview\MSOffice2007');
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//.odt, .ott, .oth, .odm, .odg, .otg, .odp, .otp, .ods, .ots, .odc, .odf, .odb, .odi, .oxt
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class OpenDocument extends Office {
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public function getMimeType() {
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return '/application\/vnd.oasis.opendocument.*/';
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}
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}
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\OC\Preview::registerProvider('OC\Preview\OpenDocument');
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//.sxw, .stw, .sxc, .stc, .sxd, .std, .sxi, .sti, .sxg, .sxm
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class StarOffice extends Office {
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public function getMimeType() {
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return '/application\/vnd.sun.xml.*/';
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}
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}
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\OC\Preview::registerProvider('OC\Preview\StarOffice');
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}
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