image.php
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<?php
/**
* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
OCP\JSON::checkLoggedIn();
OCP\JSON::checkAppEnabled('gallery');
session_write_close();
list($owner, $img) = explode('/', $_GET['file'], 2);
$ownerView = new \OC\Files\View('/' . $owner . '/files');
if ($owner !== OC_User::getUser()) {
\OC\Files\Filesystem::initMountPoints($owner);
list($shareId, , $img) = explode('/', $img, 3);
if (OCP\Share::getItemSharedWith('gallery', $shareId)) {
$sharedGallery = $ownerView->getPath($shareId);
if ($img) {
$img = $sharedGallery . '/' . $img;
} else {
$img = $sharedGallery;
}
} else {
OC_JSON::error('no such file');
die();
}
}
$mime = $ownerView->getMimeType($img);
list($mimePart,) = explode('/', $mime);
if ($mimePart === 'image') {
$local = $ownerView->getLocalFile($img);
$rotate = false;
if (is_callable('exif_read_data')) { //don't use OC_Image here, using OC_Image will always cause parsing the image file
$exif = @exif_read_data($local, 'IFD0');
if (isset($exif['Orientation'])) {
$rotate = ($exif['Orientation'] > 1);
}
}
if ($rotate) {
$image = new OC_Image($local);
$image->fixOrientation();
$image->show();
} else { //use the original file if we dont need to rotate, saves having to re-encode the image
header('Content-Type: ' . $mime);
$ownerView->readfile($img);
}
}