This commit is contained in:
Dennis Eichhorn 2018-08-01 19:41:34 +02:00
parent be2b4fe17c
commit d8bc472fa6

View File

@ -15,6 +15,7 @@ declare(strict_types=1);
namespace Modules\Media\Models;
use phpOMS\System\File\Local\Directory;
use phpOMS\System\File\FileUtils;
/**
* Upload.
@ -32,10 +33,10 @@ class UploadFile
/**
* Image interlaced.
*
* @var int
* @var bool
* @since 1.0.0
*/
private $interlaced = true;
private $isInterlaced = true;
/**
* Upload max size.
@ -80,7 +81,8 @@ class UploadFile
/**
* Upload file to server.
*
* @param array $files File data ($_FILE)
* @param array $files File data ($_FILE)
* @param string $encoding Encoding used for uploaded file. Empty string will not convert file content.
*
* @return array
*
@ -88,7 +90,7 @@ class UploadFile
*
* @since 1.0.0
*/
public function upload(array $files) : array
public function upload(array $files, string $encoding = 'UTF-8') : array
{
$result = [];
@ -96,7 +98,10 @@ class UploadFile
$files = [$files];
}
$this->findOutputDir($files);
if (count($files) > 1) {
$this->outputDir = $this->findOutputDir($files);
}
$path = $this->outputDir;
foreach ($files as $key => $f) {
@ -117,7 +122,6 @@ class UploadFile
$result[$key]['size'] = $f['size'];
if ($f['size'] > $this->maxSize) {
// too large2
$result[$key]['status'] = UploadStatus::CONFIG_SIZE;
return $result;
@ -125,96 +129,135 @@ class UploadFile
// TODO: do I need pecl fileinfo?
if (!empty($this->allowedTypes) && ($ext = array_search($f['type'], $this->allowedTypes, true)) === false) {
// wrong file format
$result[$key]['status'] = UploadStatus::WRONG_EXTENSION;
return $result;
}
if ($this->preserveFileName) {
$this->fileName = $f['name'];
}
$split = \explode('.', $f['name']);
$result[$key]['name'] = $split[0];
$extension = count($split) > 1 ? $split[count($split) - 1] : '';
$result[$key]['extension'] = $extension;
// ! and empty same?!
$result[$key]['filename'] = $this->fileName;
if (!$this->fileName || empty($this->fileName) || \file_exists($path . '/' . $this->fileName)) {
$rnd = '';
if ($this->preserveFileName) {
$this->fileName = $f['name'];
}
$limit = 0;
do {
$sha = sha1_file($f['tmp_name'] . $rnd);
if (empty($this->fileName) || \file_exists($path . '/' . $this->fileName)) {
try {
$this->fileName = $this->createFileName($path, $f['tmp_name'], $extension);
$result[$key]['filename'] = $this->fileName;
} catch (\Exception $e) {
$result[$key]['filename'] = $f['name'];
$result[$key]['status'] = UploadStatus::FAILED_HASHING;
if ($sha === false) {
$result[$key]['status'] = UploadStatus::FAILED_HASHING;
return $result;
}
$sha .= '.' . $extension;
$this->fileName = $sha;
$rnd = mt_rand();
$limit++;
} while (file_exists($path . '/' . $this->fileName) && $limit < self::PATH_GENERATION_LIMIT);
if ($limit >= self::PATH_GENERATION_LIMIT) {
throw new \Exception('No file path could be found. Potential attack!');
return $result;
}
}
if (!is_dir($path)) {
if (!\is_dir($path)) {
Directory::create($path, 0655, true);
}
if (!is_uploaded_file($f['tmp_name'])) {
if (!\is_uploaded_file($f['tmp_name'])) {
$result[$key]['status'] = UploadStatus::NOT_UPLOADED;
return $result;
}
if (!move_uploaded_file($f['tmp_name'], $dest = $path . '/' . $this->fileName)) {
if (!\move_uploaded_file($f['tmp_name'], $dest = $path . '/' . $this->fileName)) {
$result[$key]['status'] = UploadStatus::NOT_MOVABLE;
return $result;
}
if ($this->interlaced && \in_array($extension, ['png', 'jpg', 'jpeg', 'gif'])) {
if ($this->isInterlaced && \in_array($extension, FileUtils::IMAGE_EXTENSION)) {
$this->interlace($extension, $dest);
}
$result[$key]['path'] = realpath($this->outputDir);
if ($encoding !== '') {
FileUtils::changeFileEncoding($dest, $encoding);
}
$result[$key]['path'] = \realpath($this->outputDir);
}
return $result;
}
/**
* Create file name if file already exists or if file name should be random.
*
* @param string $path Path where file should be saved
* @param string $tempName Temp. file name generated during upload
* @param string $extension Extension name
*
* @return string
*
* @throws \Exception
*
* @since 1.0.0
*/
private function createFileName(string $path, string $tempName, string $extension) : string
{
$rnd = '';
$limit = 0;
do {
$sha = \sha1_file($tempName . $rnd);
if ($sha === false) {
throw new \Exception('No file path could be found. Potential attack!');
}
$sha .= '.' . $extension;
$fileName = $sha;
$rnd = \mt_rand();
$limit++;
} while (\file_exists($path . '/' . $fileName) && $limit < self::PATH_GENERATION_LIMIT);
if ($limit >= self::PATH_GENERATION_LIMIT) {
throw new \Exception('No file path could be found. Potential attack!');
}
return $fileName;
}
/**
* Make image interlace
*
* @param string $extension Image extension
* @param string $path File path
*
* @return void
*
* @since 1.0.0
*/
private function interlace(string $extension, string $path) : void
{
if ($extension === 'png') {
$img = \imagecreatefrompng($path);
} elseif ($extension === 'jpg' || $extension === 'jpeg') {
$img = \imagecreatefromjpeg($path);
} else {
$img = \imagecreatefromgif($path);
}
if ($extension === 'png') {
$img = imagecreatefrompng($path);
} elseif ($extension === 'jpg' || $extension === 'jpeg') {
$img = imagecreatefromjpeg($path);
} else {
$img = imagecreatefromgif($path);
}
if ($img === false) {
return;
}
imageinterlace($img, (int) $this->interlaced);
\imageinterlace($img, (int) $this->isInterlaced);
if ($extension === 'png') {
imagepng($img, $path);
} elseif ($extension === 'jpg' || $extension === 'jpeg') {
imagejpeg($img, $path);
} else {
imagegif($img, $path);
}
if ($extension === 'png') {
\imagepng($img, $path);
} elseif ($extension === 'jpg' || $extension === 'jpeg') {
\imagejpeg($img, $path);
} else {
\imagegif($img, $path);
}
imagedestroy($img);
\imagedestroy($img);
}
/**
@ -222,19 +265,17 @@ class UploadFile
*
* @param array $files Array of files
*
* @return void
* @return string
*
* @since 1.0.0
*/
private function findOutputDir(array $files)
private function findOutputDir(array $files) : string
{
if (count($files) > 1) {
do {
$rndPath = str_pad(dechex(rand(0, 65535)), 4, '0', STR_PAD_LEFT);
} while (file_exists($this->outputDir . '/' . $rndPath));
do {
$rndPath = \str_pad(\dechex(rand(0, 65535)), 4, '0', STR_PAD_LEFT);
} while (\file_exists($this->outputDir . '/' . $rndPath));
$this->outputDir = $this->outputDir . '/' . $rndPath;
}
return $this->outputDir . '/' . $rndPath;
}
/**
@ -270,9 +311,16 @@ class UploadFile
return $this->maxSize;
}
public function setInterlaced(bool $interlaced) : void
/**
* @param bool $isInterlaced Is interlaced
*
* @return void
*
* @since 1.0.0
*/
public function setInterlaced(bool $isInterlaced) : void
{
$this->interlaced = $interlaced;
$this->isInterlaced = $isInterlaced;
}
/**
@ -282,7 +330,7 @@ class UploadFile
*
* @since 1.0.0
*/
public function setMaxSize(int $maxSize)
public function setMaxSize(int $maxSize) : void
{
$this->maxSize = $maxSize;
}
@ -310,13 +358,13 @@ class UploadFile
}
/**
* @param string[] $allowedTypes Allowed file types
* @param string $allowedTypes Allowed file types
*
* @return void
*
* @since 1.0.0
*/
public function addAllowedTypes($allowedTypes)
public function addAllowedTypes(string $allowedTypes) : void
{
$this->allowedTypes[] = $allowedTypes;
}
@ -333,14 +381,14 @@ class UploadFile
/**
* Define output directory of the upload
*
*
* @param string $outputDir Output directory of the uploaded file
*
* @return void
*
* @since 1.0.0
*/
public function setOutputDir(string $outputDir)
public function setOutputDir(string $outputDir) : void
{
$this->outputDir = $outputDir;
}
@ -357,28 +405,28 @@ class UploadFile
/**
* Set the file name of the uploaded file
*
*
* @param string $fileName File name of the uploaded file
*
* @return void
*
* @since 1.0.0
*/
public function setFileName(string $fileName)
public function setFileName(string $fileName) : void
{
$this->fileName = $fileName;
}
/**
* Define if the uploaded file name should be the same file name as the original file
*
*
* @param bool $preserveFileName Keep file name of the original file
*
* @return void
*
* @since 1.0.0
*/
public function setPreserveFileName(bool $preserveFileName)
public function setPreserveFileName(bool $preserveFileName) : void
{
$this->preserveFileName = $preserveFileName;
}