/**
  * delete attachment
  *
  * @param  Object  $oMbqEtAtt
  */
 public function deleteAttachment($oMbqEtAtt = null)
 {
     //ref wcf\action\AJAXProxyAction::invoke(),wcf\data\attachment\AttachmentAction,wcf\data\AbstractDatabaseObjectAction
     $oAttachmentAction = new AttachmentAction(array($oMbqEtAtt->attId->oriValue), 'delete', array());
     $oAttachmentAction->delete();
     //todo:catch exception
 }
 /**
  * @see	\wcf\system\worker\IWorker::execute()
  */
 public function execute()
 {
     parent::execute();
     foreach ($this->objectList as $attachment) {
         try {
             $action = new AttachmentAction(array($attachment), 'generateThumbnails');
             $action->executeAction();
         } catch (SystemException $e) {
         }
     }
 }
 /**
  * Removes all attachments for given object ids by type.
  * 
  * @param	string		$objectType
  * @param	array<integer>	$objectIDs
  */
 public static function removeAttachments($objectType, array $objectIDs)
 {
     $attachmentList = new AttachmentList();
     $attachmentList->getConditionBuilder()->add("objectTypeID = ?", array(ObjectTypeCache::getInstance()->getObjectTypeByName('com.woltlab.wcf.attachment.objectType', $objectType)->objectTypeID));
     $attachmentList->getConditionBuilder()->add("objectID IN (?)", array($objectIDs));
     $attachmentList->readObjects();
     if (count($attachmentList)) {
         $attachmentAction = new AttachmentAction($attachmentList->getObjects(), 'delete');
         $attachmentAction->executeAction();
     }
 }
 /**
  * Handles uploaded attachments.
  */
 public function upload()
 {
     // get object type
     $objectType = ObjectTypeCache::getInstance()->getObjectTypeByName('com.woltlab.wcf.attachment.objectType', $this->parameters['objectType']);
     // save files
     $thumbnails = $attachments = $failedUploads = array();
     $files = $this->parameters['__files']->getFiles();
     foreach ($files as $file) {
         if ($file->getValidationErrorType()) {
             $failedUploads[] = $file;
             continue;
         }
         $data = array('objectTypeID' => $objectType->objectTypeID, 'objectID' => intval($this->parameters['objectID']), 'userID' => WCF::getUser()->userID ?: null, 'tmpHash' => !$this->parameters['objectID'] ? $this->parameters['tmpHash'] : '', 'filename' => $file->getFilename(), 'filesize' => $file->getFilesize(), 'fileType' => $file->getMimeType(), 'fileHash' => sha1_file($file->getLocation()), 'uploadTime' => TIME_NOW);
         // get image data
         if (($imageData = $file->getImageData()) !== null) {
             $data['width'] = $imageData['width'];
             $data['height'] = $imageData['height'];
             $data['fileType'] = $imageData['mimeType'];
             if (preg_match('~^image/(gif|jpe?g|png)$~i', $data['fileType'])) {
                 $data['isImage'] = 1;
             }
         }
         // create attachment
         $attachment = AttachmentEditor::create($data);
         // check attachment directory
         // and create subdirectory if necessary
         $dir = dirname($attachment->getLocation());
         if (!@file_exists($dir)) {
             FileUtil::makePath($dir, 0777);
         }
         // move uploaded file
         if (@move_uploaded_file($file->getLocation(), $attachment->getLocation())) {
             if ($attachment->isImage) {
                 $thumbnails[] = $attachment;
                 // rotate image based on the exif data
                 $neededMemory = $attachment->width * $attachment->height * ($attachment->fileType == 'image/png' ? 4 : 3) * 2.1;
                 if (FileUtil::getMemoryLimit() == -1 || FileUtil::getMemoryLimit() > memory_get_usage() + $neededMemory) {
                     $exifData = ExifUtil::getExifData($attachment->getLocation());
                     if (!empty($exifData)) {
                         $orientation = ExifUtil::getOrientation($exifData);
                         if ($orientation != ExifUtil::ORIENTATION_ORIGINAL) {
                             $adapter = ImageHandler::getInstance()->getAdapter();
                             $adapter->loadFile($attachment->getLocation());
                             $newImage = null;
                             switch ($orientation) {
                                 case ExifUtil::ORIENTATION_180_ROTATE:
                                     $newImage = $adapter->rotate(180);
                                     break;
                                 case ExifUtil::ORIENTATION_90_ROTATE:
                                     $newImage = $adapter->rotate(90);
                                     break;
                                 case ExifUtil::ORIENTATION_270_ROTATE:
                                     $newImage = $adapter->rotate(270);
                                     break;
                                 case ExifUtil::ORIENTATION_HORIZONTAL_FLIP:
                                 case ExifUtil::ORIENTATION_VERTICAL_FLIP:
                                 case ExifUtil::ORIENTATION_VERTICAL_FLIP_270_ROTATE:
                                 case ExifUtil::ORIENTATION_HORIZONTAL_FLIP_270_ROTATE:
                                     // unsupported
                                     break;
                             }
                             if ($newImage !== null) {
                                 $adapter->load($newImage, $adapter->getType());
                             }
                             $adapter->writeImage($attachment->getLocation());
                             if ($newImage !== null) {
                                 // update width, height and filesize of the attachment
                                 if ($orientation == ExifUtil::ORIENTATION_90_ROTATE || $orientation == ExifUtil::ORIENTATION_270_ROTATE) {
                                     $attachmentEditor = new AttachmentEditor($attachment);
                                     $attachmentEditor->update(array('height' => $attachment->width, 'width' => $attachment->height, 'filesize' => filesize($attachment->getLocation())));
                                 }
                             }
                         }
                     }
                 }
             } else {
                 // check whether we can create thumbnails for this file
                 $this->eventAttachment = $attachment;
                 $this->eventData = array('hasThumbnail' => false);
                 EventHandler::getInstance()->fireAction($this, 'checkThumbnail');
                 if ($this->eventData['hasThumbnail']) {
                     $thumbnails[] = $attachment;
                 }
             }
             $attachments[$file->getInternalFileID()] = $attachment;
         } else {
             // moving failed; delete attachment
             $editor = new AttachmentEditor($attachment);
             $editor->delete();
         }
     }
     // generate thumbnails
     if (ATTACHMENT_ENABLE_THUMBNAILS) {
         if (!empty($thumbnails)) {
             $action = new AttachmentAction($thumbnails, 'generateThumbnails');
             $action->executeAction();
         }
     }
     // return result
     $result = array('attachments' => array(), 'errors' => array());
     if (!empty($attachments)) {
         // get attachment ids
         $attachmentIDs = $attachmentToFileID = array();
         foreach ($attachments as $internalFileID => $attachment) {
             $attachmentIDs[] = $attachment->attachmentID;
             $attachmentToFileID[$attachment->attachmentID] = $internalFileID;
         }
         // get attachments from database (check thumbnail status)
         $attachmentList = new AttachmentList();
         $attachmentList->getConditionBuilder()->add('attachment.attachmentID IN (?)', array($attachmentIDs));
         $attachmentList->readObjects();
         foreach ($attachmentList as $attachment) {
             $result['attachments'][$attachmentToFileID[$attachment->attachmentID]] = array('filename' => $attachment->filename, 'filesize' => $attachment->filesize, 'formattedFilesize' => FileUtil::formatFilesize($attachment->filesize), 'isImage' => $attachment->isImage, 'attachmentID' => $attachment->attachmentID, 'tinyURL' => $attachment->tinyThumbnailType ? LinkHandler::getInstance()->getLink('Attachment', array('object' => $attachment), 'tiny=1') : '', 'thumbnailURL' => $attachment->thumbnailType ? LinkHandler::getInstance()->getLink('Attachment', array('object' => $attachment), 'thumbnail=1') : '', 'url' => LinkHandler::getInstance()->getLink('Attachment', array('object' => $attachment)), 'height' => $attachment->height, 'width' => $attachment->width);
         }
     }
     foreach ($failedUploads as $failedUpload) {
         $result['errors'][$failedUpload->getInternalFileID()] = array('filename' => $failedUpload->getFilename(), 'filesize' => $failedUpload->getFilesize(), 'errorType' => $failedUpload->getValidationErrorType());
     }
     return $result;
 }