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| <?php
/**
* class Upload
* Version 1.0.0 (30/06/22)
* Author moimp
* Based on https://github.com/grunk/Pry/blob/fa3104194aeec40c416e53f742f1ad4575561f13/Pry/File/Upload.php#L206
* Documentation on https://github.com/grunk/Pry/tree/master/doc
namespace Upload;
require_once('FileTools.php');
require_once('StringTools.php');
use FileTools\FileTools;
use StringTools\StringTools;
/**
* Class to upload multiple files.
* Optional use of finfo or mimemagic (see https://rubygems.org/gems/mimemagic?locale=fr)
*/
class Upload
{
const MIME_CHECK_BROWSER = 1;
const MIME_CHECK_FINFO = 2;
const MIME_CHECK_MIMETYPE = 3;
const MIME_CHECK_NONE = 4;
const REQUIRE_ALL = 1;
const REQUIRE_YES = 2;
const REQUIRE_NO = 3;
const WMODE_OVERWRITE = 1;
const WMODE_COPY = 2;
const WMODE_CANCEL = 3;
/*
/**
* Max filesize in bytes
* @var int
*/
private $maxFileSize;
/**
* Targetpath for uploaded files
* @var string
*/
private $uploadDir;
/**
* Path to magicmime file
* @var string
*/
private $magicFile;
/**
* Mime: check type
* @var int
*/
private $mimetypeCheck;
/**
* Writemode for uploading files
* @var int
*/
private $writeMode;
/**
* Secure mode or not
* @var boolean
*/
private $secureMode;
/**
* File required or not
* @var int
*/
private $required;
/**
* Allowed extensions
* @var array
*/
private $extensions;
/**
* Allowed mimetypes
* @var array
*/
private $mimeTypes;
/**
* Fieldnames for files to upload
* @var string
*/
private $fieldName;
/**
* Filename
* @var string
*/
private $fileName;
/**
* Filename cleaned or not
* @var boolean
*/
private $cleanName;
/**
* Préfix for filename
* @var string
*/
private $prefix;
/**
* Suffix for filename
* @var <string
*/
private $suffix;
/**
* Uploaded files summaries
* @var array
*/
private $uploadedFileSummaries;
/**
* Found errors
* @var mixed
*/
private $errors;
/** Temporary name
* @var string
*/
private $fileNameTmp;
private $_taille = 0;
private $_nom = '';
private $_temp = '';
private $_mime = '';
private $_image = false;
private $_error = '';
private $_ext = '';
/**
* Constructor
* @param string $dir Target path for files
* @param string $fieldName Uploading fieldnames
* @param int [$mimetypeCheck] Mode to check type (browser)
*/
public function __construct(string $dir, string $fieldName, int $mimetypeCheck = 1)
{
$this->maxFileSize = str_replace('M', '', ini_get('upload_max_filesize')) * 1024 * 1024;
$this->uploadDir = $this->checkPath($dir);
$this->magicFile = '';
$this->mimetypeCheck= intval($mimetypeCheck);
$this->writeMode = self::WMODE_OVERWRITE;
$this->required = self::REQUIRE_NO;
$this->extensions = array('jpg', 'png', 'gif');
$this->mimeTypes = array('image/gif', 'image/jpeg', 'image/png', 'text/plain', 'application/pdf');
$this->fieldName = $fieldName;
$this->fileName = '';
$this->fileNameTmp = '';
$this->prefix = '';
$this->suffix = '';
$this->uploadedFileSummaries= array();
$this->secureMode = false;
$this->cleanName = false;
$this->errors = array();
}
/**
* Trigger fileuploads
* @return array
*/
public function upload()
{
if (!isset($_FILES[$this->fieldName]['tmp_name']))
throw new \UnexpectedValueException('Error: No filedata');
$nbFile = count($_FILES[$this->fieldName]['tmp_name']);
for ($i = 0; $i < $nbFile; $i++) {
$this->fileNameTmp = '';
$this->_taille = $_FILES[$this->fieldName]['size'][$i];
$this->_nom = $_FILES[$this->fieldName]['name'][$i];
$this->_temp = $_FILES[$this->fieldName]['tmp_name'][$i];
$this->_mime = $_FILES[$this->fieldName]['type'][$i];
$this->_image = false; // added by moimp
if (!empty($this->_nom))
$this->_ext = FileTools::getExtension($this->_nom);
$this->_error = $_FILES[$this->fieldName]['error'][$i];
if ($this->_error == UPLOAD_ERR_OK and is_uploaded_file($_FILES[$this->fieldName]['tmp_name'][$i]))
{
if ($this->mimetypeCheck == self::MIME_CHECK_FINFO)
{
$finfo = new \finfo(FILEINFO_MIME, $this->magicFile);
$this->_mime = $finfo->file(realpath($this->_temp));
// Can return mimetypes as "text/plain; charset=utf-8"
$posSemiCol = strpos($this->_mime, ';');
if ($posSemiCol !== false)
$this->_mime = substr($this->_mime, 0, $posSemiCol);
}
elseif ($this->mimetypeCheck == self::MIME_CHECK_MIMETYPE)
$this->_mime = mime_content_type(realpath($this->_temp));
elseif ($this->mimetypeCheck == self::MIME_CHECK_NONE)
$this->_mime = false;
if ($this->checkSize())
{
if ($this->checkExtension())
{
if ($this->checkMime())
{
// following code added by moimp
$this->getImgData();
if ($this->_image === 'err')
{
$this->errors[$i] = "The uploaded file is not an image.";
}
// end of added code
$this->buildName();
if ( ! $this->write() )
{
$this->errors[$i] = "Cannot write on harddisk. ";
}
}
else
{
$this->errors[$i] = "This filetype is not allowed. ";
}
}
else
{
$this->errors[$i] = "This file extension is not allowed. ";
}
}
else
{
$this->errors[$i] = "Filesize exceeds the allowed size. ";
}
}
else
{
if ($this->required == self::REQUIRE_ALL or $this->required == self::REQUIRE_YES and $i == 0)
$this->errors[$i] = "Error by uploading. Too big filesize or no required file? ";
}
}
return $this->getError();
}
/**
* Define max filesize.
* Allows (int) or string as 500K, 2M
* @param mixed $size
* @return Upload
*/
public function setMaxFileSize(string $size)
{
$this->maxFileSize = FileTools::getByteSize($size);
return $this;
}
/**
* Define path for magicmime files
* @param string $dir
* @return Upload
*/
/*
public function setMagicFile($path)
{
$this->magicFile = $path;
return $this;
}
*/
/**
* Define writemode
* @param int $mode (one of constants WMODE_OVERWRITE, WMODE_COPY, WMODE_CANCEL)
* @return Upload
*/
public function setWriteMode($mode)
{
$this->writeMode = intval($mode);
return $this;
}
/**
* Define if files are required or not
* @param int $mode
* @return Upload
*/
public function setRequired($mode)
{
$this->required = intval($mode);
return $this;
}
/**
* Define a (string) or multiple (array) of allowed extensions
* @param mixed $newExt
* @return Upload
*/
public function setAllowedExtensions($newExt)
{
if (is_array($newExt))
foreach ($newExt as $value)
$this->extensions[] = $value;
else
$this->extensions[] = $newExt;
return $this;
}
/**
* Return allowed extensions
* @return array
*/
public function getExtensions()
{
return $this->extensions;
}
/**
* Remove an extension
* @param string $extToRemove
* @return Upload
*/
public function removeExtension(string $extToRemove)
{
$key = array_search($extToRemove, $this->extensions);
if ($key)
unset($this->extensions[$key]);
return $this;
}
/**
* Remove all extensions
* @return Upload
*/
public function flushAllowedExtensions()
{
$this->extensions = array();
return $this;
}
/**
* Define a (string) or multiple (array) of allowed mimetypes
* @param mixed $newMime
* @return Upload
*/
public function setAllowedMime($newMime)
{
if (is_array($newMime))
foreach ($newMime as $value)
$this->mimeTypes[] = $value;
else
$this->mimeTypes[] = $newMime;
return $this;
}
/**
* Return allowed mimetypes
* @return array
*/
public function getMime()
{
return $this->mimeTypes;
}
/**
* Remove a mimetype
* @param string $mimeToRemove
* @return Upload
*/
public function removeMime(string $mimeToRemove)
{
$key = array_search($mimeToRemove, $this->mimeTypes);
if ($key)
unset($this->mimeTypes[$key]);
return $this;
}
/**
* Remove all mimetypes
* @return Upload
*/
public function flushAllowedMime()
{
$this->mimeTypes = array();
return $this;
}
/**
* Define filename after uploaded
* @param string $name
* @return Upload
*/
public function setFileName(string $name)
{
$this->fileName = trim($name);
return $this;
}
/**
* Define préfix of filename
* @param string $prefix
* @return Upload
*/
public function setPrefix(string $prefix)
{
$this->prefix = trim($prefix);
return $this;
}
/**
* Define suffix of filename
* @param string $suffix
* @return Upload
* Note: impact basename
*/
public function setSuffix(string $suffix)
{
$this->suffix = trim($suffix);
return $this;
}
/**
* Define securemode where application files or dangerous files are not allowed
* @param boolean $mode
* @return Upload
*/
public function setSecureMode(bool $mode)
{
$this->secureMode = $mode;
return $this;
}
/**
* Enable or disabled cleaning of filename
* @param boolean $bool
* @return Upload
*/
public function cleanName(bool $bool)
{
$this->cleanName = $bool;
return $this;
}
/**
* Return an array of all errors
* @return mixed
*/
public function getError()
{
if (!empty($this->errors))
return $this->errors;
else
return false;
}
/**
* Return an array of all sent files
* @return array
*/
public function getSummaries()
{
return $this->uploadedFileSummaries;
}
/**
* Get imagedata
* @return wether imagedata or boolean if uploaded file is not an image
* Function added by moimp
*/
private function getImgData()
{
if (strpos($this->_mime, 'image/') !== false)
{
$this->_image = getimagesize(realpath($this->_temp));
if ( !(
is_int($this->_image[0]) &&
is_int($this->_image[1]) &&
is_int($this->_image[2]) &&
is_int($this->_image['bits']) &&
strpos($this->_image['mime'], 'image/') !== false
)
)
{
$this->_image = 'err';
}
}
else
{
$this->_image = false;
}
}
/**
* Check if a path is correct
* @param string $path
* @return boolean
*/
private function checkPath(string $path)
{
$path = trim($path);
$path = rtrim($path, '/\\').'/'; // line added by moimp to allowed pathes ended wether with or whithout '/' or '\'
if (!is_dir($path))
throw new \InvalidArgumentException($path . ' is not a valid path');
if (!is_writable($path))
throw new \RuntimeException($path . ' is not open in write mode');
return $path;
}
/**
* Write file on harddisk on the wished place
* @return boolean
*/
private function write()
{
if ($this->writeMode == self::WMODE_OVERWRITE)
{
if ($this->exist())
unlink($this->uploadDir . $this->fileNameTmp);
$uploaded = move_uploaded_file($this->_temp, $this->uploadDir . $this->fileNameTmp);
}
elseif ($this->writeMode == self::WMODE_COPY)
{
if ($this->exist())
$this->fileName = 'Copy_' . $this->fileNameTmp;
$uploaded = move_uploaded_file($this->_temp, $this->uploadDir . $this->fileNameTmp);
}
else
{
if (!$this->exist())
$uploaded = move_uploaded_file($this->_temp, $this->uploadDir . $this->fileNameTmp);
else
$uploaded = false;
}
if ($uploaded)
{
$this->uploadedFileSummaries[] = array(
'nom' => $this->fileNameTmp,
'nom_base' => $this->_nom,
'ext' => $this->_ext,
'mime' => $this->_mime,
'path' => $this->uploadDir,
'octet' => $this->_taille,
'size' => number_format($this->_taille / 1024, 2, '.', ''),
'image' => $this->_image // added by moimp
);
return true;
}
return false;
}
/**
* Check filesize
* @return boolean
*/
private function checkSize()
{
if ($this->maxFileSize > $this->_taille)
return true;
return false;
}
/**
* Check the filename extension
* @return boolean
*/
private function checkExtension()
{
if (in_array($this->_ext, $this->extensions))
return true;
return false;
}
/**
* Check mimetype of the file
* @return boolean
*/
private function checkMime()
{
if ($this->mimetypeCheck != self::MIME_CHECK_NONE)
{
if ($this->secureMode) {
if (!in_array($this->_mime, $this->mimeTypes) || strpos($this->_mime, 'application') || preg_match("/.php$|.php3$|.php5$|.inc$|.js$|.exe$/i", $this->_ext))
return false;
} else {
if (!in_array($this->_mime, $this->mimeTypes))
return false;
}
}
return true;
}
/**
* Build filename
* @return void
*/
private function buildName()
{
if ($this->fileName == '')
$this->fileNameTmp = substr($this->_nom, 0, strrpos($this->_nom, '.'));
else
$this->fileNameTmp = $this->fileName;
if ($this->cleanName)
$this->fileNameTmp = StringTools::clean($this->fileNameTmp);
$this->fileNameTmp = $this->prefix . $this->fileNameTmp . $this->suffix . '.' . $this->_ext;
}
/**
* Check if file exists
* @access private
* @return boolean
*/
private function exist()
{
if (file_exists($this->uploadDir . $this->fileNameTmp))
return true;
return false;
}
} |
Combiner une classe Upload et une classe ImageResize
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