207 lines
6.3 KiB
PHP
207 lines
6.3 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Uguu
|
|
*
|
|
* @copyright Copyright (c) 2022 Go Johansson (nokonoko) <neku@pomf.se>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
namespace Pomf\Uguu\Classes;
|
|
|
|
use Exception;
|
|
|
|
class Upload extends Response
|
|
{
|
|
public array $FILE_INFO;
|
|
public array $fingerPrintInfo;
|
|
private mixed $Connector;
|
|
|
|
|
|
/**
|
|
* @throws Exception
|
|
*/
|
|
public function reFiles($files): array
|
|
{
|
|
$this->Connector = new Connector();
|
|
$this->Connector->setDB($this->Connector->DB);
|
|
$result = [];
|
|
$files = $this->diverseArray($files);
|
|
foreach ($files as $file) {
|
|
$hash = sha1_file($file['tmp_name']);
|
|
$this->FILE_INFO = [
|
|
'TEMP_NAME' => $file['tmp_name'],
|
|
'NAME' => strip_tags($file['name']),
|
|
'SIZE' => $file['size'],
|
|
'SHA1' => $hash,
|
|
'EXTENSION' => $this->fileExtension($file),
|
|
'MIME' => $this->fileMIME($file),
|
|
'NEW_NAME' => $this->generateName($this->fileExtension($file), $hash)
|
|
];
|
|
$result[] = [
|
|
$this->FILE_INFO['TEMP_NAME'],
|
|
$this->FILE_INFO['NAME'],
|
|
$this->FILE_INFO['SIZE'],
|
|
$this->FILE_INFO['SHA1'],
|
|
$this->FILE_INFO['EXTENSION'],
|
|
$this->FILE_INFO['MIME']
|
|
];
|
|
}
|
|
return $result;
|
|
}
|
|
public function diverseArray($files): array
|
|
{
|
|
$result = [];
|
|
foreach ($files as $key1 => $value1) {
|
|
foreach ($value1 as $key2 => $value2) {
|
|
$result[$key2][$key1] = $value2;
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* @throws Exception
|
|
*/
|
|
public function uploadFile(): array
|
|
{
|
|
|
|
if ($this->Connector->CONFIG['RATE_LIMIT']) {
|
|
$this->Connector->checkRateLimit($this->fingerPrintInfo);
|
|
}
|
|
|
|
if ($this->Connector->CONFIG['BLACKLIST_DB']) {
|
|
$this->Connector->checkFileBlacklist($this->FILE_INFO);
|
|
}
|
|
|
|
if ($this->Connector->CONFIG['FILTER_MODE'] && empty($this->FILE_INFO['EXTENSION'])) {
|
|
$this->checkMimeBlacklist();
|
|
}
|
|
|
|
if ($this->Connector->CONFIG['FILTER_MODE'] && !empty($this->FILE_INFO['EXTENSION'])) {
|
|
$this->checkMimeBlacklist();
|
|
$this->checkExtensionBlacklist();
|
|
}
|
|
|
|
if (!is_dir($this->Connector->CONFIG['FILES_ROOT'])) {
|
|
throw new Exception('File storage path not accessible.', 500);
|
|
}
|
|
|
|
if (
|
|
!move_uploaded_file($this->FILE_INFO['TEMP_NAME'], $this->Connector->CONFIG['FILES_ROOT'] .
|
|
$this->FILE_INFO['NEW_NAME'])
|
|
) {
|
|
throw new Exception('Failed to move file to destination', 500);
|
|
}
|
|
|
|
if (!chmod($this->Connector->CONFIG['FILES_ROOT'] . $this->FILE_INFO['NEW_NAME'], 0644)) {
|
|
throw new Exception('Failed to change file permissions', 500);
|
|
}
|
|
|
|
if (!$this->Connector->CONFIG['LOG_IP']) {
|
|
$this->fingerPrintInfo['ip'] = null;
|
|
}
|
|
|
|
$this->Connector->newIntoDB($this->FILE_INFO, $this->fingerPrintInfo);
|
|
|
|
return [
|
|
'hash' => $this->FILE_INFO['SHA1'],
|
|
'name' => $this->FILE_INFO['NAME'],
|
|
'url' => $this->Connector->CONFIG['FILES_URL'] . '/' . $this->FILE_INFO['NEW_NAME'],
|
|
'size' => $this->FILE_INFO['SIZE']
|
|
];
|
|
}
|
|
|
|
public function fingerPrint($files_amount): void
|
|
{
|
|
$this->fingerPrintInfo = [
|
|
'timestamp' => time(),
|
|
'useragent' => $_SERVER['HTTP_USER_AGENT'],
|
|
'ip' => $_SERVER['REMOTE_ADDR'],
|
|
'ip_hash' => hash('sha1', $_SERVER['REMOTE_ADDR'] . $_SERVER['HTTP_USER_AGENT']),
|
|
'files_amount' => $files_amount
|
|
];
|
|
}
|
|
|
|
|
|
public function fileMIME($file): string
|
|
{
|
|
$finfo = finfo_open(FILEINFO_MIME_TYPE);
|
|
return finfo_file($finfo, $file['tmp_name']);
|
|
}
|
|
|
|
public function fileExtension($file): ?string
|
|
{
|
|
$extension = explode('.', $file['name']);
|
|
if (substr_count($file['name'], '.') > 0) {
|
|
return end($extension);
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* @throws Exception
|
|
*/
|
|
public function checkMimeBlacklist(): void
|
|
{
|
|
if (in_array($this->FILE_INFO['MIME'], $this->Connector->CONFIG['BLOCKED_MIME'])) {
|
|
throw new Exception('Filetype not allowed.', 415);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if file extension is blacklisted
|
|
* if it does throw an exception.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
public function checkExtensionBlacklist(): void
|
|
{
|
|
if (in_array($this->FILE_INFO['EXTENSION'], $this->Connector->CONFIG['BLOCKED_EXTENSIONS'])) {
|
|
throw new Exception('Filetype not allowed.', 415);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @throws Exception
|
|
*/
|
|
public function generateName($extension, $hash): string
|
|
{
|
|
$a = $this->Connector->antiDupe($hash);
|
|
if ($a === true) {
|
|
do {
|
|
if ($this->Connector->CONFIG['FILES_RETRIES'] === 0) {
|
|
throw new Exception('Gave up trying to find an unused name!', 500);
|
|
}
|
|
|
|
$NEW_NAME = '';
|
|
for ($i = 0; $i < $this->Connector->CONFIG['NAME_LENGTH']; ++$i) {
|
|
$NEW_NAME .= $this->Connector->CONFIG['ID_CHARSET']
|
|
[mt_rand(0, strlen($this->Connector->CONFIG['ID_CHARSET']))];
|
|
}
|
|
|
|
if (!is_null($extension)) {
|
|
$NEW_NAME .= '.' . $extension;
|
|
}
|
|
} while ($this->Connector->dbCheckNameExists($NEW_NAME) > 0);
|
|
return $NEW_NAME;
|
|
} else {
|
|
return $a;
|
|
}
|
|
}
|
|
}
|