public static function checkExtBlackList($file, $black_list)
{
if (count($black_list) == 0) {
return -1;
}
$fileArr = explode(chr(46), $file["name"]);
$lastIndex = count($fileArr) - 1;
$fileExt = chr(46) . $fileArr[$lastIndex];
if (!in_array(strtolower($fileExt), $black_list)) {
return 1;
} else {
self::$error = "This file type is not allowed on this server.";
return -2;
}
}
/**
* adds a resource to the database. This method requires a FileUpload parameter and it
* will take care of processing the upload file and so on. If the file is already in disk and we'd
* like to add it, please check GalleryResources::addResourceFromDisk()
* This method will also take care of extracting the metadata from the file and generating the
* thumbnail in the required format, according to our configuration.
*
* @param ownerId
* @param albumId
* @param description
* @param upload A FileUpload object
* @see FileUpload
* @see GalleryResources::addResourceFromDisk()
* @return It will return one of the following constants:
* - GALLERY_ERROR_RESOURCE_TOO_BIG
* - GALLERY_ERROR_RESOURCE_FORBIDDEN_EXTENSION
* - GALLERY_ERROR_QUOTA_EXCEEDED
* - GALLERY_ERROR_ADDING_RESOURCE
* - GALLERY_ERROR_UPLOADS_NOT_ENABLED
* or the identifier of the resource that was just added if the operation succeeded.
*/
function addResource($ownerId, $albumId, $description, $upload)
{
// check if quotas are enabled, and if this file would make us go
// over the quota
if (GalleryResourceQuotas::isBlogOverResourceQuota($ownerId, $upload->getSize())) {
return GALLERY_ERROR_QUOTA_EXCEEDED;
}
// first of all, validate the file using the
// upload validator class. It can return
// UPLOAD_VALIDATOR_ERROR_UPLOAD_TOO_BIG (-1)
// or
// UPLOAD_VALIDATOR_ERROR_FORBIDDEN_EXTENSION (-2)
// in case the file is not valid.
$uploadValidator = new UploadValidator();
$error = $uploadValidator->validate($upload);
if ($error < 0) {
return $error;
}
// get the metadata
$getId3 = new GetID3();
$metadata = $getId3->analyze($upload->getTmpName());
// nifty helper method from the getid3 package
getid3_lib::CopyTagsToComments($metadata);
$resourceType = $this->_getResourceType($upload->getFileName(), $metadata);
// set the flags
$flags = 0;
if ($resourceType == GALLERY_RESOURCE_IMAGE) {
$flags = $flags | GALLERY_RESOURCE_PREVIEW_AVAILABLE;
}
$info = $this->_filterMetadata($metadata, $resourceType);
// add the record to the database
$fileName = $upload->getFileName();
$resourceId = $this->addResourceToDatabase($ownerId, $albumId, $description, $flags, $resourceType, $filePath, $fileName, $info);
if (!$resourceId) {
return false;
}
// and finally move the file to the right place in disk
// move the file to disk
$storage = new GalleryResourceStorage();
$resFile = $storage->storeUpload($resourceId, $ownerId, $upload);
// if the file cannot be read, we will also remove the record from the
// database so that we don't screw up
$fileReadable = File::isReadable($resFile);
if (!$resFile || $resFile < 0 || !$fileReadable) {
// if something went wrong, we should not keep the record in the db
$query = "DELETE FROM " . $this->getPrefix() . "gallery_resources WHERE id = {$resourceId}";
$this->Execute($query);
return $resFile;
}
// and finally, we can generate the thumbnail only if the file is an image, of course :)
if ($resourceType == GALLERY_RESOURCE_IMAGE) {
$this->generateResourceThumbnail($resFile, $resourceId, $ownerId);
$this->generateResourceMediumSizeThumbnail($resFile, $resourceId, $ownerId);
}
// return the id of the resource we just added
return $resourceId;
}
