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204 lines (171 loc) · 5.46 KB
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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\files\types;
use bantu\IniGetWrapper\IniGetWrapper;
use phpbb\config\config;
use phpbb\files\factory;
use phpbb\files\filespec;
use phpbb\filesystem\temp;
use phpbb\language\language;
use phpbb\request\request_interface;
class remote_storage extends base
{
/** @var config phpBB config */
protected $config;
/** @var factory Files factory */
protected $factory;
/** @var temp Filesystem temp */
protected $temp;
/** @var language */
protected $language;
/** @var IniGetWrapper */
protected $php_ini;
/** @var request_interface */
protected $request;
/**
* Construct a form upload type
*
* @param config $config phpBB config
* @param factory $factory Files factory
* @param temp $temp Filesystem temp
* @param language $language Language class
* @param IniGetWrapper $php_ini ini_get() wrapper
* @param request_interface $request Request object
*/
public function __construct(config $config, factory $factory, temp $temp, language $language, IniGetWrapper $php_ini, request_interface $request)
{
$this->config = $config;
$this->factory = $factory;
$this->temp = $temp;
$this->language = $language;
$this->php_ini = $php_ini;
$this->request = $request;
}
/**
* {@inheritdoc}
*/
public function upload()
{
$args = func_get_args();
return $this->remote_upload($args[0]);
}
/**
* Remote upload method
* Uploads file from given url
*
* @param string $upload_url URL pointing to file to upload, for example http://www.foobar.com/example.gif
* @return filespec $file Object "filespec" is returned, all further operations can be done with this object
*/
protected function remote_upload($upload_url)
{
$upload_ary = array();
$upload_ary['local_mode'] = true;
if (!preg_match('#^(https?://).*?\.(' . implode('|', $this->upload->allowed_extensions) . ')$#i', $upload_url, $match))
{
return $this->factory->get('filespec')->set_error($this->language->lang($this->upload->error_prefix . 'URL_INVALID'));
}
$url = parse_url($upload_url);
$upload_ary['type'] = 'application/octet-stream';
$url['path'] = explode('.', $url['path']);
$ext = array_pop($url['path']);
$url['path'] = implode('', $url['path']);
$upload_ary['name'] = utf8_basename($url['path']) . (($ext) ? '.' . $ext : '');
$remote_max_filesize = $this->get_max_file_size();
$guzzle_options = [
'timeout' => $this->upload->upload_timeout,
'connect_timeout' => $this->upload->upload_timeout,
'verify' => !empty($this->config['remote_upload_verify']) ? (bool) $this->config['remote_upload_verify'] : false,
];
$client = new \GuzzleHttp\Client($guzzle_options);
try
{
$response = $client->get($upload_url, $guzzle_options);
}
catch (\GuzzleHttp\Exception\ClientException $clientException)
{
return $this->factory->get('filespec')->set_error($this->upload->error_prefix . 'URL_NOT_FOUND');
}
catch (\GuzzleHttp\Exception\RequestException $requestException)
{
if (strpos($requestException->getMessage(), 'cURL error 28') !== false || preg_match('/408|504/', $requestException->getCode()))
{
return $this->factory->get('filespec')->set_error($this->upload->error_prefix . 'REMOTE_UPLOAD_TIMEOUT');
}
else
{
return $this->factory->get('filespec')->set_error($this->language->lang($this->upload->error_prefix . 'NOT_UPLOADED'));
}
}
catch (\Exception $e)
{
return $this->factory->get('filespec')->set_error($this->language->lang($this->upload->error_prefix . 'NOT_UPLOADED'));
}
$content_length = $response->getBody()->getSize();
if ($remote_max_filesize && $content_length > $remote_max_filesize)
{
$max_filesize = get_formatted_filesize($remote_max_filesize, false);
return $this->factory->get('filespec')->set_error($this->language->lang($this->upload->error_prefix . 'WRONG_FILESIZE', $max_filesize['value'], $max_filesize['unit']));
}
if ($content_length === 0)
{
return $this->factory->get('filespec')->set_error($this->upload->error_prefix . 'EMPTY_REMOTE_DATA');
}
$data = $response->getBody();
$filename = tempnam($this->temp->get_dir(), unique_id() . '-');
if (!($fp = @fopen($filename, 'wb')))
{
return $this->factory->get('filespec')->set_error($this->upload->error_prefix . 'NOT_UPLOADED');
}
$upload_ary['size'] = fwrite($fp, $data);
fclose($fp);
unset($data);
$upload_ary['tmp_name'] = $filename;
/** @var filespec $file */
$file = $this->factory->get('filespec_storage')
->set_upload_ary($upload_ary)
->set_upload_namespace($this->upload);
$this->upload->common_checks($file);
return $file;
}
/**
* Get maximum file size for remote uploads
*
* @return int Maximum file size
*/
protected function get_max_file_size()
{
$max_file_size = $this->upload->max_filesize;
if (!$max_file_size)
{
$max_file_size = $this->php_ini->getString('upload_max_filesize');
if (!empty($max_file_size))
{
$unit = strtolower(substr($max_file_size, -1, 1));
$max_file_size = (int) $max_file_size;
switch ($unit)
{
case 'g':
$max_file_size *= 1024;
// no break
case 'm':
$max_file_size *= 1024;
// no break
case 'k':
$max_file_size *= 1024;
// no break
}
}
}
return $max_file_size;
}
}