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);
}
$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);
}
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();
}
/**
* @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()));
*/
}
}