$keepAspect = array_key_exists('a', $_GET) ? true : false;
$always = array_key_exists('forceIcon', $_GET) ? (bool) $_GET['forceIcon'] : true;
if ($file === '') {
//400 Bad Request
\OC_Response::setStatus(400);
\OC_Log::write('core-preview', 'No file parameter was passed', \OC_Log::DEBUG);
exit;
}
if ($maxX === 0 || $maxY === 0) {
//400 Bad Request
\OC_Response::setStatus(400);
\OC_Log::write('core-preview', 'x and/or y set to 0', \OC_Log::DEBUG);
exit;
}
try {
$preview = new \OC\Preview(\OC_User::getUser(), 'files');
$info = \OC\Files\Filesystem::getFileInfo($file);
if (!$always and !$preview->isAvailable($info)) {
\OC_Response::setStatus(404);
} else {
$preview->setFile($file);
$preview->setMaxX($maxX);
$preview->setMaxY($maxY);
$preview->setScalingUp($scalingUp);
$preview->setKeepAspect($keepAspect);
}
$preview->showPreview();
} catch (\Exception $e) {
\OC_Response::setStatus(500);
\OC_Log::write('core', $e->getmessage(), \OC_Log::DEBUG);
}
$maxY = array_key_exists('y', $_GET) ? (int) $_GET['y'] : '44';
$scalingUp = array_key_exists('scalingup', $_GET) ? (bool) $_GET['scalingup'] : true;
if ($file === '') {
\OC_Response::setStatus(400);
//400 Bad Request
\OCP\Util::writeLog('core-preview', 'No file parameter was passed', \OCP\Util::DEBUG);
exit;
}
if ($maxX === 0 || $maxY === 0) {
\OC_Response::setStatus(400);
//400 Bad Request
\OCP\Util::writeLog('core-preview', 'x and/or y set to 0', \OCP\Util::DEBUG);
exit;
}
try {
$preview = new \OC\Preview(\OC_User::getUser(), 'files_trashbin/files', $file);
$view = new \OC\Files\View('/' . \OC_User::getUser() . '/files_trashbin/files');
if ($view->is_dir($file)) {
$mimetype = 'httpd/unix-directory';
} else {
$pathInfo = pathinfo(ltrim($file, '/'));
$fileName = $pathInfo['basename'];
// if in root dir
if ($pathInfo['dirname'] === '.') {
// cut off the .d* suffix
$i = strrpos($fileName, '.');
if ($i !== false) {
$fileName = substr($fileName, 0, $i);
}
}
$mimetype = \OC::$server->getMimeTypeDetector()->detectPath($fileName);
/**
* return a preview of a file
*
* @param string $file The path to the file where you want a thumbnail from
* @param int $maxX The maximum X size of the thumbnail. It can be smaller depending on the shape of the image
* @param int $maxY The maximum Y size of the thumbnail. It can be smaller depending on the shape of the image
* @param boolean $scaleUp Scale smaller images up to the thumbnail size or not. Might look ugly
* @return \OCP\IImage
*/
public function createPreview($file, $maxX = 100, $maxY = 75, $scaleUp = false)
{
$preview = new \OC\Preview('', '/', $file, $maxX, $maxY, $scaleUp);
return $preview->getPreview();
}
OCP\Util::addStyle('files_sharing', 'public');
OCP\Util::addStyle('files_sharing', 'mobile');
OCP\Util::addScript('files_sharing', 'public');
OCP\Util::addScript('files', 'fileactions');
OCP\Util::addScript('files', 'jquery.iframe-transport');
OCP\Util::addScript('files', 'jquery.fileupload');
// JS required for folders
OCP\Util::addStyle('files', 'files');
OCP\Util::addStyle('files', 'upload');
OCP\Util::addScript('files', 'filesummary');
OCP\Util::addScript('files', 'breadcrumb');
OCP\Util::addScript('files', 'files');
OCP\Util::addScript('files', 'filelist');
OCP\Util::addscript('files', 'keyboardshortcuts');
$thumbSize = 1024;
$previewSupported = OC\Preview::isMimeSupported($_['mimetype']) ? 'true' : 'false';
?>
<?php
if (\OC\Preview::isMimeSupported($_['mimetype'])) {
/* This enables preview images for links (e.g. on Facebook, Google+, ...)*/
?>
<link rel="image_src" href="<?php
p(OCP\Util::linkToRoute('core_ajax_public_preview', array('x' => $thumbSize, 'y' => $thumbSize, 'file' => $_['directory_path'], 't' => $_['dirToken'])));
?>
" />
<?php
}
?>
<div id="notification-container">
$root = \OC\Files\Filesystem::getPath($linkItem['file_source']) . '/';
$images = array_map(function ($image) use($root) {
return $root . $image;
}, $images);
} else {
$root = '';
OCP\JSON::checkLoggedIn();
$user = OCP\User::getUser();
}
session_write_close();
$eventSource = new OC_EventSource();
foreach ($images as $image) {
$height = 200 * $scale;
if ($square) {
$width = 200 * $scale;
} else {
$width = 400 * $scale;
}
$userView = new \OC\Files\View('/' . $user);
$preview = new \OC\Preview($user, 'files', '/' . $image, $width, $height);
$preview->setKeepAspect(!$square);
$fileInfo = $userView->getFileInfo('/files/' . $image);
// if the thumbnails is already cached, get it directly from the filesystem to avoid decoding and re-encoding the image
$imageName = substr($image, strlen($root));
if ($path = $preview->isCached($fileInfo->getId())) {
$eventSource->send('preview', array('image' => $imageName, 'preview' => base64_encode($userView->file_get_contents('/' . $path))));
} else {
$eventSource->send('preview', array('image' => $imageName, 'preview' => (string) $preview->getPreview()));
}
}
$eventSource->close();
public function testCreationFromCached()
{
$sampleFile = '/' . $this->user . '/files/test.txt';
$this->rootView->file_put_contents($sampleFile, 'dummy file data');
// create base preview
$x = 150;
$y = 150;
$preview = new \OC\Preview($this->user, 'files/', 'test.txt', $x, $y);
$preview->getPreview();
$fileInfo = $this->rootView->getFileInfo($sampleFile);
$fileId = $fileInfo['fileid'];
$thumbCacheFile = '/' . $this->user . '/' . \OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/' . $x . '-' . $y . '.png';
$this->assertEquals($this->rootView->file_exists($thumbCacheFile), true);
// create smaller previews
$preview = new \OC\Preview($this->user, 'files/', 'test.txt', 50, 50);
$isCached = $preview->isCached($fileId);
$this->assertEquals($this->user . '/' . \OC\Preview::THUMBNAILS_FOLDER . '/' . $fileId . '/150-150.png', $isCached);
}
/**
* Initialises the preview
*
* @param int $width
* @param int $height
*
* @return \OC\Preview
*/
private function createPreview($width, $height)
{
$preview = new \OC\Preview(self::TEST_PREVIEW_USER1, 'files/', $this->sampleFilename, $width, $height);
$this->assertSame(true, $preview->isFileValid());
$preview->setKeepAspect($this->keepAspect);
$preview->setScalingup($this->scalingUp);
return $preview;
}
exit;
}
$sharedFile = \OC\Files\Filesystem::normalizePath($file);
}
if ($linkedItem['item_type'] === 'file') {
$parent = $pathInfo['parent'];
$path = $view->getPath($parent);
$sharedFile = $pathInfo['name'];
}
$path = \OC\Files\Filesystem::normalizePath($path, false);
if (substr($path, 0, 1) === '/') {
$path = substr($path, 1);
}
if ($maxX === 0 || $maxY === 0) {
\OC_Response::setStatus(400);
//400 Bad Request
\OC_Log::write('core-preview', 'x and/or y set to 0', \OC_Log::DEBUG);
exit;
}
$root = 'files/' . $path;
try {
$preview = new \OC\Preview($userId, $root);
$preview->setFile($sharedFile);
$preview->setMaxX($maxX);
$preview->setMaxY($maxY);
$preview->setScalingUp($scalingUp);
$preview->show();
} catch (\Exception $e) {
\OC_Response::setStatus(500);
\OC_Log::write('core', $e->getmessage(), \OC_Log::DEBUG);
}
public function testIsCached()
{
$sourceFile = __DIR__ . '/../data/testimage.png';
$userId = $this->getUniqueID();
$this->createUser($userId, 'pass');
$storage = new Temporary();
$storage->mkdir('files');
$this->registerMount($userId, $storage, '/' . $userId);
\OC_Util::tearDownFS();
\OC_Util::setupFS($userId);
$preview = new \OC\Preview($userId, 'files');
$view = new View('/' . $userId . '/files');
$view->file_put_contents('test.png', file_get_contents($sourceFile));
$info = $view->getFileInfo('test.png');
$preview->setFile('test.png', $info);
$preview->setMaxX(64);
$preview->setMaxY(64);
$this->assertFalse($preview->isCached($info->getId()));
$preview->getPreview();
$this->assertEquals('thumbnails/' . $info->getId() . '/64-64.png', $preview->isCached($info->getId()));
}
$maxX = array_key_exists('x', $_GET) ? (int) $_GET['x'] : '32';
$maxY = array_key_exists('y', $_GET) ? (int) $_GET['y'] : '32';
$scalingUp = array_key_exists('scalingup', $_GET) ? (bool) $_GET['scalingup'] : true;
$keepAspect = array_key_exists('a', $_GET) ? true : false;
$always = array_key_exists('forceIcon', $_GET) ? (bool) $_GET['forceIcon'] : true;
$mode = array_key_exists('mode', $_GET) ? $_GET['mode'] : 'fill';
if ($file === '') {
//400 Bad Request
\OC_Response::setStatus(400);
\OCP\Util::writeLog('core-preview', 'No file parameter was passed', \OCP\Util::DEBUG);
exit;
}
if ($maxX === 0 || $maxY === 0) {
//400 Bad Request
\OC_Response::setStatus(400);
\OCP\Util::writeLog('core-preview', 'x and/or y set to 0', \OCP\Util::DEBUG);
exit;
}
$info = \OC\Files\Filesystem::getFileInfo($file);
if (!$info instanceof OCP\Files\FileInfo || !$always && !\OC::$server->getPreviewManager()->isAvailable($info)) {
\OC_Response::setStatus(404);
} else {
$preview = new \OC\Preview(\OC_User::getUser(), 'files');
$preview->setFile($file, $info);
$preview->setMaxX($maxX);
$preview->setMaxY($maxY);
$preview->setScalingUp($scalingUp);
$preview->setMode($mode);
$preview->setKeepAspect($keepAspect);
$preview->showPreview();
}
$img = $_GET['file'];
if (!empty($_GET['token'])) {
$linkItem = \OCP\Share::getShareByToken($_GET['token']);
if (!(is_array($linkItem) && isset($linkItem['uid_owner']))) {
exit;
}
// seems to be a valid share
$rootLinkItem = \OCP\Share::resolveReShare($linkItem);
$user = $rootLinkItem['uid_owner'];
// Setup filesystem
OCP\JSON::checkUserExists($user);
OC_Util::tearDownFS();
OC_Util::setupFS($user);
$fullPath = \OC\Files\Filesystem::getPath($linkItem['file_source']);
if ($fullPath === null) {
exit;
}
$img = trim($fullPath . '/' . $img);
} else {
OCP\JSON::checkLoggedIn();
$user = OCP\User::getUser();
}
session_write_close();
$square = isset($_GET['square']) ? (bool) $_GET['square'] : false;
if ($square) {
$preview = new \OC\Preview($user, 'files', '/' . $img, 200 * $scale, 200 * $scale);
} else {
$preview = new \OC\Preview($user, 'files', '/' . $img, 400 * $scale, 200 * $scale);
$preview->setKeepAspect(true);
}
$preview->showPreview();
if ($file === '') {
//400 Bad Request
\OC_Response::setStatus(400);
\OC_Log::write('core-preview', 'No file parameter was passed', \OC_Log::DEBUG);
exit;
}
if ($maxX === 0 || $maxY === 0) {
//400 Bad Request
\OC_Response::setStatus(400);
\OC_Log::write('core-preview', 'x and/or y set to 0', \OC_Log::DEBUG);
exit;
}
try {
$preview = new \OC\Preview(\OC_User::getUser(), 'files');
if (!$always and !$preview->isMimeSupported(\OC\Files\Filesystem::getMimeType($file))) {
\OC_Response::setStatus(404);
} else {
$preview->setFile($file);
$preview->setMaxX($maxX);
$preview->setMaxY($maxY);
$preview->setScalingUp($scalingUp);
$preview->setKeepAspect($keepAspect);
}
$preview->showPreview();
} catch (\Exception $e) {
\OC_Response::setStatus(500);
\OC_Log::write('core', $e->getmessage(), \OC_Log::DEBUG);
}
\OC::$server->getSession()->close();
$file = array_key_exists('file', $_GET) ? (string) $_GET['file'] : '';
$maxX = array_key_exists('x', $_GET) ? (int) $_GET['x'] : '36';
$maxY = array_key_exists('y', $_GET) ? (int) $_GET['y'] : '36';
$scalingUp = array_key_exists('scalingup', $_GET) ? (bool) $_GET['scalingup'] : true;
$keepAspect = array_key_exists('a', $_GET) ? true : false;
$always = array_key_exists('forceIcon', $_GET) ? (bool) $_GET['forceIcon'] : true;
if ($file === '') {
//400 Bad Request
\OC_Response::setStatus(400);
\OC_Log::write('core-preview', 'No file parameter was passed', \OC_Log::DEBUG);
exit;
}
if ($maxX === 0 || $maxY === 0) {
//400 Bad Request
\OC_Response::setStatus(400);
\OC_Log::write('core-preview', 'x and/or y set to 0', \OC_Log::DEBUG);
exit;
}
$preview = new \OC\Preview(\OC_User::getUser(), 'files');
$info = \OC\Files\Filesystem::getFileInfo($file);
if (!$info instanceof OCP\Files\FileInfo || !$always && !$preview->isAvailable($info)) {
\OC_Response::setStatus(404);
} else {
$preview->setFile($file);
$preview->setMaxX($maxX);
$preview->setMaxY($maxY);
$preview->setScalingUp($scalingUp);
$preview->setKeepAspect($keepAspect);
$preview->showPreview();
}
exit;
}
$sharedFile = \OC\Files\Filesystem::normalizePath($file);
}
if ($linkedItem['item_type'] === 'file') {
$parent = $pathInfo['parent'];
$path = $view->getPath($parent);
$sharedFile = $pathInfo['name'];
}
$path = \OC\Files\Filesystem::normalizePath($path, false);
if (substr($path, 0, 1) === '/') {
$path = substr($path, 1);
}
if ($maxX === 0 || $maxY === 0) {
\OC_Response::setStatus(\OC_Response::STATUS_BAD_REQUEST);
\OCP\Util::writeLog('core-preview', 'x and/or y set to 0', \OCP\Util::DEBUG);
exit;
}
$root = 'files/' . $path;
try {
$preview = new \OC\Preview($userId, $root);
$preview->setFile($sharedFile);
$preview->setMaxX($maxX);
$preview->setMaxY($maxY);
$preview->setScalingUp($scalingUp);
$preview->setKeepAspect($keepAspect);
$preview->showPreview();
} catch (\Exception $e) {
\OC_Response::setStatus(\OC_Response::STATUS_INTERNAL_SERVER_ERROR);
\OCP\Util::writeLog('core', $e->getmessage(), \OCP\Util::DEBUG);
}
public function testKeepAspectRatioCover()
{
$originalWidth = 1680;
$originalHeight = 1050;
$originalAspectRation = $originalWidth / $originalHeight;
$preview = new \OC\Preview(self::TEST_PREVIEW_USER1, 'files/', 'testimage.jpg', 150, 150);
$preview->setKeepAspect(true);
$preview->setMode(\OC\Preview::MODE_COVER);
$image = $preview->getPreview();
$aspectRatio = $image->width() / $image->height();
$this->assertEquals(round($originalAspectRation, 2), round($aspectRatio, 2));
$this->assertGreaterThanOrEqual(150, $image->width());
$this->assertGreaterThanOrEqual(150, $image->height());
}
public static function prepare_delete($args, $prefix = '')
{
$path = $args['path'];
if (substr($path, 0, 1) === '/') {
$path = substr($path, 1);
}
$view = new \OC\Files\View('/' . \OC_User::getUser() . '/' . $prefix);
$info = $view->getFileInfo($path);
\OC\Preview::$deleteFileMapper = array_merge(\OC\Preview::$deleteFileMapper, array(Files\Filesystem::normalizePath($view->getAbsolutePath($path)) => $info));
}
/**
* @brief offer preview for download
*
* if no preview exists for this file, send icon instead
*
* @param string $path full path to file
* @param string type type of preview requested
*/
public static function servePreview($path, $type)
{
\OCP\User::checkLoggedIn();
\OC::$server->getSession()->close();
$i = \OC\Files\Filesystem::getFileInfo($path, false);
/* check for predefined cover, if found replace $path with that of cover file */
$meta = Meta::get($i['fileid']);
if ($meta['cover']) {
$path = pathinfo($path)['dirname'] . '/' . $meta['cover'];
$i = \OC\Files\Filesystem::getFileInfo($path, false);
}
if (\OC::$server->getPreviewManager()->isMimeSupported($i['mimetype'])) {
$preview = new \OC\Preview(\OC_User::getUser(), 'files');
$preview->setFile($path);
switch ($type) {
case 'cover':
$preview->setMaxX(Config::getApp('cover-x', '200'));
$preview->setMaxY(Config::getApp('cover-y', '200'));
break;
case 'thumbnail':
$preview->setMaxX(Config::getApp('thumb-x', '36'));
$preview->setMaxY(Config::getApp('thumb-y', '36'));
break;
}
$preview->showPreview();
} else {
// no preview, serve icon instead
$scheme = !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443 ? 'https' : 'http';
header("Location: " . $scheme . "://" . $_SERVER['HTTP_HOST'] . \OC_Helper::mimetypeIcon($i->getMimeType()));
/* Note: relative URL should be enough (RFC7231) but some OPDS clients
* (especially those in dedicated book readers) might not support them
*
* header("Location: " . \OC_Helper::mimetypeIcon($i->getMimeType()));
*/
}
}
