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<?php
/**
* @package Sven.Bluege
* @subpackage com_eventgallery
*
* @copyright Copyright (C) 2005 - 2019 Sven Bluege All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// Check to ensure this file is included in Joomla!
defined('_JEXEC') or die();
jimport('joomla.filesystem.folder');
jimport('joomla.filesystem.file');
require_once JPATH_ROOT.'/components/com_eventgallery/config.php';
class EventgalleryLibraryFolderS3 extends EventgalleryLibraryFolderLocal
{
const ID = 3;
protected static $_maindir = NULL;
public function __construct($object)
{
parent::__construct($object);
}
/**
* syncs a local folder
*
* @param string $foldername
* @return array
*/
public static function syncFolder($foldername, $use_htacces_to_protect_original_files) {
$db = JFactory::getDbo();
$user = self::helpToGetUser();
$s3 = EventgalleryLibraryCommonS3client::getInstance();
if (!$s3->isActive()) {
return ["status"=>EventgalleryLibraryManagerFolder::$SYNC_STATUS_NOSYNC];
}
$s3Files = $s3->getObjects($s3->getBucketForOriginalImages(), $foldername.'/');
$imageFileNames = array();
$quotedImageFileNames = array();
$etags = array();
foreach ($s3Files as $s3File) {
$key = $s3File->getKey();
$imageFileName = basename($key);
if ($imageFileName != $foldername && substr_count($key, '/')==1) {
array_push($imageFileNames, $imageFileName);
array_push($quotedImageFileNames, $db->q($imageFileName));
// the etag is something like "foobar".. strange....
$etags[$imageFileName] = $s3File->getCleanETag();
}
}
// delete the folder if it does not exist.
if (empty($imageFileNames)) {
self::deleteFolder($foldername);
return ['status' => EventgalleryLibraryManagerFolder::$SYNC_STATUS_DELTED];
}
// remove deleted files fromes from the database
$query = $db->getQuery(true);
$query->delete('#__eventgallery_file')
->where('folder='.$db->quote($foldername))
->where('file not in ('.implode(',',$quotedImageFileNames).')');
$db->setQuery($query);
$db->execute();
$query = $db->getQuery(true);
$query->select('id, file, s3_etag')
->from($db->quoteName('#__eventgallery_file'))
->where('folder='.$db->quote($foldername));
$db->setQuery($query);
$currentfiles = $db->loadObjectList();
$updatedFiles = array();
$fileToUpdate = array();
// update the files we already know.
foreach($currentfiles as $dbfile)
{
if ($dbfile->s3_etag != $etags[$dbfile->file]) {
array_push($fileToUpdate, $dbfile->file);
}
array_push($updatedFiles, $dbfile->file);
}
# add all new files of a directory to the database
foreach(array_diff($imageFileNames, $updatedFiles) as $filename)
{
if (EventgalleryLibraryCommonSecurity::isProtectionFile($filename)) {
continue;
}
$created = date('Y-m-d H:i:s');
$query = $db->getQuery(true);
$query->insert($db->quoteName('#__eventgallery_file'))
->columns(
'folder,file,published,'
.'userid,created,modified,ordering'
)
->values(implode(',',array(
$db->quote($foldername),
$db->quote($filename),
'1',
$db->quote($user==null?'':$user->id),
$db->quote($created),
'now()',
0
)));
$db->setQuery($query);
$db->execute();
array_push($fileToUpdate, $filename);
}
return ["status" => EventgalleryLibraryManagerFolder::$SYNC_STATUS_SYNC, "files" => $fileToUpdate];
}
public static function findNewFolders()
{
$addResults = Array();
$s3 = EventgalleryLibraryCommonS3client::getInstance();
if (!$s3->isActive()) {
return $addResults;
}
$s3Files = $s3->getObjects($s3->getBucketForOriginalImages(), '');
$folders = Array();
foreach ($s3Files as $s3File) {
$dirname = dirname($s3File->getKey());
if ($dirname != '.' && strpos($dirname, '/')==false) {
array_push($folders, dirname($s3File->getKey()));
}
}
$folders = array_unique($folders);
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->select('folder')
->from($db->quoteName('#__eventgallery_folder'));
$db->setQuery($query);
$currentfolders = $db->loadAssocList(null, 'folder');
# Füge Verzeichnisse in die DB ein
foreach(array_diff($folders, $currentfolders) as $folder)
{
$addResult = new EventgalleryLibraryFolderAddresult();
$addResult->setFolderName($folder);
$addResult->setFoldertype(self::ID);
array_push($addResults, $addResult);
if (strcmp($folder,JFolder::makeSafe($folder))!=0) {
$addResult->setError(JText::sprintf('COM_EVENTGALLERY_SYNC_DATABASE_SYNC_ERROR_FOLDERNAME',$folder, JFolder::makeSafe($folder)));
continue;
}
$break = false;
foreach($currentfolders as $currentfolder) {
if(strcasecmp($folder, $currentfolder) == 0 ) {
$addResult->setError(JText::sprintf('COM_EVENTGALLERY_SYNC_DATABASE_SYNC_ERROR_DUPLICATE_FOLDERNAME', $folder, $currentfolder));
$break = true;
}
}
if ($break) {
continue;
}
}
return $addResults;
}
/**
* adds new folder to the database and returns an array of EventgalleryLibraryFolderAddresult
* @return array
*/
public static function addNewFolder($foldername) {
$user = self::helpToGetUser();
$s3 = EventgalleryLibraryCommonS3client::getInstance();
if (!$s3->isActive()) {
return;
}
$date = "";
$temp = array();
$created = date('Y-m-d H:i:s');
if (preg_match("/[0-9]{4}-[0-9]{2}-[0-9]{2}/",$foldername, $temp))
{
$date = $temp[0];
$description = str_replace($temp[0],'',$foldername);
}
else {
$description = $foldername;
}
$db = JFactory::getDbo();
$db->setQuery('SELECT MAX(ordering) FROM #__eventgallery_folder');
$max = $db->loadResult();
$description = trim(str_replace("_", " ", $description));
/**
* @var EventgalleryTableFolder $table
*/
$table = JTable::getInstance('Folder', 'EventgalleryTable');
$table->folder = $foldername;
$table->published = 0;
$table->date = $date;
$table->description = $description;
$table->userid = $user==null?null:$user->id;
$table->created = $created;
$table->modified = date('Y-m-d H:i:s');
$table->ordering = $max + 1;
$table->foldertypeid = 3;
$table->store();
}
/**
* Calculates all Files which have missing thumbnails. To avoid calculating thumbnails
* twice we can take over the ETags of the thumbnails
*
* @param bool $saveETagOfThumbnailsToDatabase
* @return EventgalleryLibraryFile[]
*/
public function getFilesToSync($saveETagOfThumbnailsToDatabase = false) {
$db = JFactory::getDbo();
$s3client = EventgalleryLibraryCommonS3client::getInstance();
$bucket = $s3client->getBucketForThumbnails();
$s3Files = $s3client->getObjects($bucket, $this->getFolderName().'/');
$thumbnails = array();
$etags = array();
foreach ($s3Files as $s3File) {
$key = $s3File->getKey();
array_push($thumbnails, $key);
$etags[$key] = $s3File->getCleanETag();
}
if ($saveETagOfThumbnailsToDatabase) {
$this->updateETagsForThumbnails($etags);
}
$query = $db->getQuery(true);
$query->select('id, file, s3_etag, s3_etag_thumbnails')
->from($db->quoteName('#__eventgallery_file'))
->where('folder='.$db->quote($this->getFolderName()));
$db->setQuery($query);
$files = $db->loadObjectList();
$sizeSet = new EventgalleryHelpersSizeset();
$availableSizes = $sizeSet->availableSizes;
$result = array();
/**
* @var EventgalleryLibraryFactoryFile $fileFactory
* @var EventgalleryLibraryFileS3 $fileObject
*/
$fileFactory = EventgalleryLibraryFactoryFile::getInstance();
foreach($files as $dbfile) {
$fileObject = $fileFactory->getFile($this->getFolderName(), $dbfile->file);
$thumbnail_etags = $fileObject->getETagForThumbnails();
foreach($availableSizes as $size) {
$cachedfilename = $fileObject->calculateS3Key($size);
if (!in_array($cachedfilename, $thumbnails)) {
array_push($result, $fileObject);
}
if (!isset($thumbnail_etags[$cachedfilename]) || !isset($etags[$cachedfilename]) || $thumbnail_etags[$cachedfilename] != $etags[$cachedfilename] ) {
array_push($result, $fileObject);
}
}
}
return array_values(array_unique($result));
}
private function updateETagsForThumbnails($etags) {
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->select('id, file, s3_etag, s3_etag_thumbnails')
->from($db->quoteName('#__eventgallery_file'))
->where('folder='.$db->quote($this->getFolderName()));
$db->setQuery($query);
$files = $db->loadObjectList();
foreach($files as $file) {
$fileETags = array();
foreach($etags as $key=>$etag) {
if (basename($key) == $file->file) {
$fileETags[$key] = $etag;
}
}
$db = JFactory::getDbo();
// update the etag since it has changed.
$query = $db->getQuery(true);
$query->update('#__eventgallery_file')
->set('s3_etag_thumbnails=' . $db->quote(json_encode($fileETags)))
->where('id=' . $db->quote($file->id));
$db->setQuery($query);
$db->execute();
}
}
public static function getFileFactory() {
return EventgalleryLibraryFactoryFileS3::getInstance();
}
public function isSortable() {
return true;
}
public function supportsFileUpload() {
return true;
}
public function supportsFileDeletion() {
return true;
}
public function supportsImageDataEditing() {
return true;
}
public function uploadImageFile($tmpFilename, $usFilename, $user) {
$filename = basename($usFilename);
$filename=JFile::makeSafe($filename);
if (!in_array(strtolower( pathinfo ( $filename , PATHINFO_EXTENSION) ), COM_EVENTGALLERY_ALLOWED_FILE_EXTENSIONS) ) {
return null;
}
$mediaHelper = new EventgalleryLibraryCommonMediahelper();
$mime = $mediaHelper->getMimeType($tmpFilename, true);
if (empty($mime) || !\in_array($mime, COM_EVENTGALLERY_ALLOWED_MIME_TYPES)) {
return null;
}
$s3client = EventgalleryLibraryCommonS3client::getInstance();
$s3File = $s3client->putObjectFile($s3client->getBucketForOriginalImages(), $this->getFolderName().'/'.$filename, $tmpFilename, EventgalleryLibraryCommonS3client::ACL_PRIVATE);
if(!$s3File){
return null;
}
/**
* @var EventgalleryLibraryFactoryFile $fileFactory
*/
$fileFactory = EventgalleryLibraryFactoryFile::getInstance();
$fileFactory->createFile($user, $this->getFolderName(), $filename);
/**
* @var EventgalleryLibraryFileS3 $file
*/
$file = $fileFactory->getFile($this->_foldername, $filename);
if ($file === null) {
return null;
}
$file->syncFileData($s3File, $tmpFilename);
// reload the file since it was changed by the steps before.
$fileFactory->clearCache($this->getFolderName(), $filename);
$file = $fileFactory->getFile($this->_foldername, $filename);
$file->createThumbnails();
if (is_file($tmpFilename)) {
unlink($tmpFilename);
}
return $file;
}
}