<?php
/**
* Simple wrapper for transient file uploads carrying PO data.
*/
class Loco_data_Upload extends Loco_fs_File {
/**
* @var array
*/
private $data;
/**
* Pass through temporary file data
* @param string $key in $_FILES known to exist
* @return string
* @throws Loco_error_UploadException
*/
public static function src($key){
$upload = new Loco_data_Upload($_FILES[$key]);
return $upload->getContents();
}
/**
* @param array $data member of $_FILE
* @throws Loco_error_UploadException
*/
public function __construct( array $data ){
// https://www.php.net/manual/en/features.file-upload.errors.php
$code = (int) $data['error'];
switch( $code ){
case UPLOAD_ERR_OK:
break;
case UPLOAD_ERR_INI_SIZE:
throw new Loco_error_UploadException('The uploaded file exceeds the upload_max_filesize directive in php.ini',$code);
case UPLOAD_ERR_FORM_SIZE:
throw new Loco_error_UploadException('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form',$code);
case UPLOAD_ERR_PARTIAL:
throw new Loco_error_UploadException('The uploaded file was only partially uploaded',$code);
case UPLOAD_ERR_NO_FILE:
throw new Loco_error_UploadException('No file was uploaded, or data is empty',$code);
case UPLOAD_ERR_NO_TMP_DIR:
throw new Loco_error_UploadException('Missing temporary folder for uploaded file',$code);
case UPLOAD_ERR_CANT_WRITE:
throw new Loco_error_UploadException('Failed to save uploaded file to disk',$code);
case UPLOAD_ERR_EXTENSION:
throw new Loco_error_UploadException('Your server blocked the file upload',$code);
default:
throw new Loco_error_UploadException('Unknown file upload error',$code);
}
// Upload is OK according to PHP, but may need moving (if upload_tmp_dir is not in open_basedir)
$path = $data['tmp_name'];
if( ! Loco_fs_File::is_readable($path) ){
$safe = get_temp_dir().basename($path);
if( $safe !== $path ){
Loco_error_AdminNotices::debug( sprintf('Moving uploaded file: %s -> %s',$path,$safe) );
if( move_uploaded_file( $path, $safe ) ){
register_shutdown_function('unlink',$safe);
$data['tmp_name'] = $safe;
$path = $safe;
}
}
}
if( ! is_file($path) ){
throw new Loco_error_UploadException('Uploaded file is not readable',UPLOAD_ERR_NO_FILE);
}
// upload ok, but check it's not empty
if( 0 === filesize($path) ){
throw new Loco_error_UploadException('Uploaded file contains no data',UPLOAD_ERR_NO_FILE);
}
$this->data = $data;
parent::__construct($path);
}
/**
* Get name of original file
* @return string
*/
public function getOriginalName(){
return $this->data['name'];
}
}