diff options
Diffstat (limited to 'lib/preview')
| -rw-r--r-- | lib/preview/image.php | 36 | ||||
| -rw-r--r-- | lib/preview/movies.php | 47 | ||||
| -rw-r--r-- | lib/preview/mp3.php | 48 | ||||
| -rw-r--r-- | lib/preview/office-cl.php | 134 | ||||
| -rw-r--r-- | lib/preview/office-fallback.php | 142 | ||||
| -rw-r--r-- | lib/preview/office.php | 22 | ||||
| -rw-r--r-- | lib/preview/pdf.php | 40 | ||||
| -rw-r--r-- | lib/preview/provider.php | 19 | ||||
| -rw-r--r-- | lib/preview/svg.php | 46 | ||||
| -rw-r--r-- | lib/preview/txt.php | 73 | ||||
| -rw-r--r-- | lib/preview/unknown.php | 27 |
11 files changed, 634 insertions, 0 deletions
diff --git a/lib/preview/image.php b/lib/preview/image.php new file mode 100644 index 00000000000..9aec967282d --- /dev/null +++ b/lib/preview/image.php @@ -0,0 +1,36 @@ +<?php +/** + * Copyright (c) 2013 Frank Karlitschek frank@owncloud.org + * 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; + +class Image extends Provider { + + public function getMimeType() { + return '/image\/.*/'; + } + + public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) { + //get fileinfo + $fileInfo = $fileview->getFileInfo($path); + if(!$fileInfo) { + return false; + } + + //check if file is encrypted + if($fileInfo['encrypted'] === true) { + $image = new \OC_Image(stream_get_contents($fileview->fopen($path, 'r'))); + }else{ + $image = new \OC_Image(); + $image->loadFromFile($fileview->getLocalFile($path)); + } + + return $image->valid() ? $image : false; + } +} + +\OC\Preview::registerProvider('OC\Preview\Image');
\ No newline at end of file diff --git a/lib/preview/movies.php b/lib/preview/movies.php new file mode 100644 index 00000000000..e2a1b8edddc --- /dev/null +++ b/lib/preview/movies.php @@ -0,0 +1,47 @@ +<?php +/** + * Copyright (c) 2013 Frank Karlitschek frank@owncloud.org + * Copyright (c) 2013 Georg Ehrke georg@ownCloud.com + * This file is licensed under the Affero General Public License version 3 or + * later. + * See the COPYING-README file. + */ +namespace OC\Preview; + +$isShellExecEnabled = !in_array('shell_exec', explode(', ', ini_get('disable_functions'))); +$whichFFMPEG = shell_exec('which ffmpeg'); +$isFFMPEGAvailable = !empty($whichFFMPEG); + +if($isShellExecEnabled && $isFFMPEGAvailable) { + + class Movie extends Provider { + + public function getMimeType() { + return '/video\/.*/'; + } + + public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) { + $absPath = \OC_Helper::tmpFile(); + $tmpPath = \OC_Helper::tmpFile(); + + $handle = $fileview->fopen($path, 'rb'); + + $firstmb = stream_get_contents($handle, 1048576); //1024 * 1024 = 1048576 + file_put_contents($absPath, $firstmb); + + //$cmd = 'ffmpeg -y -i ' . escapeshellarg($absPath) . ' -f mjpeg -vframes 1 -ss 1 -s ' . escapeshellarg($maxX) . 'x' . escapeshellarg($maxY) . ' ' . $tmpPath; + $cmd = 'ffmpeg -an -y -i ' . escapeshellarg($absPath) . ' -f mjpeg -vframes 1 -ss 1 ' . escapeshellarg($tmpPath); + + shell_exec($cmd); + + $image = new \OC_Image($tmpPath); + + unlink($absPath); + unlink($tmpPath); + + return $image->valid() ? $image : false; + } + } + + \OC\Preview::registerProvider('OC\Preview\Movie'); +}
\ No newline at end of file diff --git a/lib/preview/mp3.php b/lib/preview/mp3.php new file mode 100644 index 00000000000..1eed566315c --- /dev/null +++ b/lib/preview/mp3.php @@ -0,0 +1,48 @@ +<?php +/** + * Copyright (c) 2013 Georg Ehrke georg@ownCloud.com + * This file is licensed under the Affero General Public License version 3 or + * later. + * See the COPYING-README file. + */ +namespace OC\Preview; + +class MP3 extends Provider { + + public function getMimeType() { + return '/audio\/mpeg/'; + } + + public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) { + require_once('getid3/getid3.php'); + + $getID3 = new \getID3(); + + $tmpPath = $fileview->toTmpFile($path); + + $tags = $getID3->analyze($tmpPath); + \getid3_lib::CopyTagsToComments($tags); + if(isset($tags['id3v2']['APIC'][0]['data'])) { + $picture = @$tags['id3v2']['APIC'][0]['data']; + unlink($tmpPath); + $image = new \OC_Image($picture); + return $image->valid() ? $image : $this->getNoCoverThumbnail(); + } + + return $this->getNoCoverThumbnail(); + } + + private function getNoCoverThumbnail() { + $icon = \OC::$SERVERROOT . '/core/img/filetypes/audio.png'; + + if(!file_exists($icon)) { + return false; + } + + $image = new \OC_Image($icon); + return $image->valid() ? $image : false; + } + +} + +\OC\Preview::registerProvider('OC\Preview\MP3');
\ No newline at end of file diff --git a/lib/preview/office-cl.php b/lib/preview/office-cl.php new file mode 100644 index 00000000000..112909d6523 --- /dev/null +++ b/lib/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 = $cmd; + } +} + +//.doc, .dot +class MSOfficeDoc extends Office { + + public function getMimeType() { + return '/application\/msword/'; + } + +} + +\OC\Preview::registerProvider('OC\Preview\MSOfficeDoc'); + +//.docm, .dotm, .xls(m), .xlt(m), .xla(m), .ppt(m), .pot(m), .pps(m), .ppa(m) +class MSOffice2003 extends Office { + + public function getMimeType() { + return '/application\/vnd.ms-.*/'; + } + +} + +\OC\Preview::registerProvider('OC\Preview\MSOffice2003'); + +//.docx, .dotx, .xlsx, .xltx, .pptx, .potx, .ppsx +class MSOffice2007 extends Office { + + public function getMimeType() { + return '/application\/vnd.openxmlformats-officedocument.*/'; + } + +} + +\OC\Preview::registerProvider('OC\Preview\MSOffice2007'); + +//.odt, .ott, .oth, .odm, .odg, .otg, .odp, .otp, .ods, .ots, .odc, .odf, .odb, .odi, .oxt +class OpenDocument extends Office { + + public function getMimeType() { + return '/application\/vnd.oasis.opendocument.*/'; + } + +} + +\OC\Preview::registerProvider('OC\Preview\OpenDocument'); + +//.sxw, .stw, .sxc, .stc, .sxd, .std, .sxi, .sti, .sxg, .sxm +class StarOffice extends Office { + + public function getMimeType() { + return '/application\/vnd.sun.xml.*/'; + } + +} + +\OC\Preview::registerProvider('OC\Preview\StarOffice');
\ No newline at end of file diff --git a/lib/preview/office-fallback.php b/lib/preview/office-fallback.php new file mode 100644 index 00000000000..e69ab0ab8cb --- /dev/null +++ b/lib/preview/office-fallback.php @@ -0,0 +1,142 @@ +<?php +/** + * Copyright (c) 2013 Georg Ehrke georg@ownCloud.com + * This file is licensed under the Affero General Public License version 3 or + * later. + * See the COPYING-README file. + */ +namespace OC\Preview; + +/* //There is no (good) php-only solution for converting 2003 word documents to pdfs / pngs ... +class DOC extends Provider { + + public function getMimeType() { + return '/application\/msword/'; + } + + public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) { + require_once(''); + } + +} + +\OC\Preview::registerProvider('OC\Preview\DOC'); +*/ + +class DOCX extends Provider { + + public function getMimeType() { + return '/application\/vnd.openxmlformats-officedocument.wordprocessingml.document/'; + } + + public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) { + require_once('phpdocx/classes/TransformDoc.inc'); + + $tmpDoc = $fileview->toTmpFile($path); + + $transformdoc = new \TransformDoc(); + $transformdoc->setStrFile($tmpDoc); + $transformdoc->generatePDF($tmpDoc); + + $pdf = new \imagick($tmpDoc . '[0]'); + $pdf->setImageFormat('jpg'); + + unlink($tmpDoc); + + $image = new \OC_Image($pdf); + + return $image->valid() ? $image : false; + } + +} + +\OC\Preview::registerProvider('OC\Preview\DOCX'); + +class MSOfficeExcel extends Provider { + + public function getMimeType() { + return null; + } + + public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) { + require_once('PHPExcel/Classes/PHPExcel.php'); + require_once('PHPExcel/Classes/PHPExcel/IOFactory.php'); + + $absPath = $fileview->toTmpFile($path); + $tmpPath = \OC_Helper::tmpFile(); + + $rendererName = \PHPExcel_Settings::PDF_RENDERER_DOMPDF; + $rendererLibraryPath = \OC::$THIRDPARTYROOT . '/3rdparty/dompdf'; + + \PHPExcel_Settings::setPdfRenderer($rendererName, $rendererLibraryPath); + + $phpexcel = new \PHPExcel($absPath); + $excel = \PHPExcel_IOFactory::createWriter($phpexcel, 'PDF'); + $excel->save($tmpPath); + + $pdf = new \imagick($tmpPath . '[0]'); + $pdf->setImageFormat('jpg'); + + unlink($absPath); + unlink($tmpPath); + + $image = new \OC_Image($pdf); + + return $image->valid() ? $image : false; + } + +} + +class XLS extends MSOfficeExcel { + + public function getMimeType() { + return '/application\/vnd.ms-excel/'; + } + +} + +\OC\Preview::registerProvider('OC\Preview\XLS'); + +class XLSX extends MSOfficeExcel { + + public function getMimeType() { + return '/application\/vnd.openxmlformats-officedocument.spreadsheetml.sheet/'; + } + +} + +\OC\Preview::registerProvider('OC\Preview\XLSX'); + +/* //There is no (good) php-only solution for converting powerpoint documents to pdfs / pngs ... +class MSOfficePowerPoint extends Provider { + + public function getMimeType() { + return null; + } + + public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) { + return false; + } + +} + +class PPT extends MSOfficePowerPoint { + + public function getMimeType() { + return '/application\/vnd.ms-powerpoint/'; + } + +} + +\OC\Preview::registerProvider('OC\Preview\PPT'); + +class PPTX extends MSOfficePowerPoint { + + public function getMimeType() { + return '/application\/vnd.openxmlformats-officedocument.presentationml.presentation/'; + } + +} + +\OC\Preview::registerProvider('OC\Preview\PPTX'); +*/
\ No newline at end of file diff --git a/lib/preview/office.php b/lib/preview/office.php new file mode 100644 index 00000000000..5287bbd6ac1 --- /dev/null +++ b/lib/preview/office.php @@ -0,0 +1,22 @@ +<?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. + */ +//both, libreoffice backend and php fallback, need imagick +if (extension_loaded('imagick')) { + $isShellExecEnabled = !in_array('shell_exec', explode(', ', ini_get('disable_functions'))); + $whichLibreOffice = shell_exec('which libreoffice'); + $isLibreOfficeAvailable = !empty($whichLibreOffice); + $whichOpenOffice = shell_exec('which libreoffice'); + $isOpenOfficeAvailable = !empty($whichOpenOffice); + //let's see if there is libreoffice or openoffice on this machine + if($isShellExecEnabled && ($isLibreOfficeAvailable || $isOpenOfficeAvailable || is_string(\OC_Config::getValue('preview_libreoffice_path', null)))) { + require_once('office-cl.php'); + }else{ + //in case there isn't, use our fallback + require_once('office-fallback.php'); + } +}
\ No newline at end of file diff --git a/lib/preview/pdf.php b/lib/preview/pdf.php new file mode 100644 index 00000000000..cc974b68818 --- /dev/null +++ b/lib/preview/pdf.php @@ -0,0 +1,40 @@ +<?php +/** + * Copyright (c) 2013 Georg Ehrke georg@ownCloud.com + * This file is licensed under the Affero General Public License version 3 or + * later. + * See the COPYING-README file. + */ +namespace OC\Preview; + +if (extension_loaded('imagick')) { + + class PDF extends Provider { + + public function getMimeType() { + return '/application\/pdf/'; + } + + public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) { + $tmpPath = $fileview->toTmpFile($path); + + //create imagick object from pdf + try{ + $pdf = new \imagick($tmpPath . '[0]'); + $pdf->setImageFormat('jpg'); + } catch (\Exception $e) { + \OC_Log::write('core', $e->getmessage(), \OC_Log::ERROR); + return false; + } + + unlink($tmpPath); + + //new image object + $image = new \OC_Image($pdf); + //check if image object is valid + return $image->valid() ? $image : false; + } + } + + \OC\Preview::registerProvider('OC\Preview\PDF'); +} diff --git a/lib/preview/provider.php b/lib/preview/provider.php new file mode 100644 index 00000000000..e4a730bafc8 --- /dev/null +++ b/lib/preview/provider.php @@ -0,0 +1,19 @@ +<?php +namespace OC\Preview; + +abstract class Provider { + private $options; + + public function __construct($options) { + $this->options=$options; + } + + abstract public function getMimeType(); + + /** + * search for $query + * @param string $query + * @return + */ + abstract public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview); +} diff --git a/lib/preview/svg.php b/lib/preview/svg.php new file mode 100644 index 00000000000..b49e51720fa --- /dev/null +++ b/lib/preview/svg.php @@ -0,0 +1,46 @@ +<?php +/** + * Copyright (c) 2013 Georg Ehrke georg@ownCloud.com + * This file is licensed under the Affero General Public License version 3 or + * later. + * See the COPYING-README file. + */ +namespace OC\Preview; + +if (extension_loaded('imagick')) { + + class SVG extends Provider { + + public function getMimeType() { + return '/image\/svg\+xml/'; + } + + public function getThumbnail($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; + } + + $svg->readImageBlob($content); + $svg->setImageFormat('png32'); + } catch (\Exception $e) { + \OC_Log::write('core', $e->getmessage(), \OC_Log::ERROR); + return false; + } + + + //new image object + $image = new \OC_Image(); + $image->loadFromData($svg); + //check if image object is valid + return $image->valid() ? $image : false; + } + } + + \OC\Preview::registerProvider('OC\Preview\SVG'); + +}
\ No newline at end of file diff --git a/lib/preview/txt.php b/lib/preview/txt.php new file mode 100644 index 00000000000..a487330691e --- /dev/null +++ b/lib/preview/txt.php @@ -0,0 +1,73 @@ +<?php +/** + * Copyright (c) 2013 Georg Ehrke georg@ownCloud.com + * This file is licensed under the Affero General Public License version 3 or + * later. + * See the COPYING-README file. + */ +namespace OC\Preview; + +class TXT extends Provider { + + public function getMimeType() { + return '/text\/.*/'; + } + + public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) { + $content = $fileview->fopen($path, 'r'); + $content = stream_get_contents($content); + + //don't create previews of empty text files + if(trim($content) === '') { + return false; + } + + $lines = preg_split("/\r\n|\n|\r/", $content); + + $fontSize = 5; //5px + $lineSize = ceil($fontSize * 1.25); + + $image = imagecreate($maxX, $maxY); + imagecolorallocate($image, 255, 255, 255); + $textColor = imagecolorallocate($image, 0, 0, 0); + + foreach($lines as $index => $line) { + $index = $index + 1; + + $x = (int) 1; + $y = (int) ($index * $lineSize) - $fontSize; + + imagestring($image, 1, $x, $y, $line, $textColor); + + if(($index * $lineSize) >= $maxY) { + break; + } + } + + $image = new \OC_Image($image); + + return $image->valid() ? $image : false; + } +} + +\OC\Preview::registerProvider('OC\Preview\TXT'); + +class PHP extends TXT { + + public function getMimeType() { + return '/application\/x-php/'; + } + +} + +\OC\Preview::registerProvider('OC\Preview\PHP'); + +class JavaScript extends TXT { + + public function getMimeType() { + return '/application\/javascript/'; + } + +} + +\OC\Preview::registerProvider('OC\Preview\JavaScript');
\ No newline at end of file diff --git a/lib/preview/unknown.php b/lib/preview/unknown.php new file mode 100644 index 00000000000..9e6cd68d401 --- /dev/null +++ b/lib/preview/unknown.php @@ -0,0 +1,27 @@ +<?php +/** + * Copyright (c) 2013 Frank Karlitschek frank@owncloud.org + * Copyright (c) 2013 Georg Ehrke georg@ownCloud.com + * This file is licensed under the Affero General Public License version 3 or + * later. + * See the COPYING-README file. + */ +namespace OC\Preview; + +class Unknown extends Provider { + + public function getMimeType() { + return '/.*/'; + } + + public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) { + $mimetype = $fileview->getMimeType($path); + + $path = \OC_Helper::mimetypeIcon($mimetype); + $path = \OC::$SERVERROOT . substr($path, strlen(\OC::$WEBROOT)); + + return new \OC_Image($path); + } +} + +\OC\Preview::registerProvider('OC\Preview\Unknown');
\ No newline at end of file |