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First Local Commit - After Clean up.

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Signed-off-by: Rick Hays <rhays@haysgang.com>
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Rick Hays
2019-12-02 14:54:38 -06:00
commit 10412ab7f6
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system/Validation/FileRules.php Normal file
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014-2019 British Columbia Institute of Technology
* Copyright (c) 2019 CodeIgniter Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author CodeIgniter Dev Team
* @copyright 2019 CodeIgniter Foundation
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 4.0.0
* @filesource
*/
namespace CodeIgniter\Validation;
use CodeIgniter\HTTP\RequestInterface;
use Config\Services;
/**
* File validation rules
*/
class FileRules
{
/**
* Request instance. So we can get access to the files.
*
* @var \CodeIgniter\HTTP\RequestInterface
*/
protected $request;
//--------------------------------------------------------------------
/**
* Constructor.
*
* @param RequestInterface $request
*/
public function __construct(RequestInterface $request = null)
{
if (is_null($request))
{
$request = Services::request();
}
$this->request = $request;
}
//--------------------------------------------------------------------
/**
* Verifies that $name is the name of a valid uploaded file.
*
* @param string $blank
* @param string $name
* @param array $data
*
* @return boolean
*/
public function uploaded(string $blank = null, string $name, array $data): bool
{
$file = $this->request->getFile($name);
if (is_null($file))
{
return false;
}
if (ENVIRONMENT === 'testing')
{
return $file->getError() === 0;
}
// Note: cannot unit test this; no way to over-ride ENVIRONMENT?
// @codeCoverageIgnoreStart
return $file->isValid();
// @codeCoverageIgnoreEnd
}
//--------------------------------------------------------------------
/**
* Verifies if the file's size in Kilobytes is no larger than the parameter.
*
* @param string|null $blank
* @param string $params
* @param array $data
*
* @return boolean
*/
public function max_size(string $blank = null, string $params, array $data): bool
{
// Grab the file name off the top of the $params
// after we split it.
$params = explode(',', $params);
$name = array_shift($params);
if (! ($files = $this->request->getFileMultiple($name)))
{
$files = [$this->request->getFile($name)];
}
foreach ($files as $file)
{
if (is_null($file))
{
return false;
}
if ($file->getSize() / 1024 > $params[0])
{
return false;
}
}
return true;
}
//--------------------------------------------------------------------
/**
* Uses the mime config file to determine if a file is considered an "image",
* which for our purposes basically means that it's a raster image or svg.
*
* @param string|null $blank
* @param string $params
* @param array $data
*
* @return boolean
*/
public function is_image(string $blank = null, string $params, array $data): bool
{
// Grab the file name off the top of the $params
// after we split it.
$params = explode(',', $params);
$name = array_shift($params);
if (! ($files = $this->request->getFileMultiple($name)))
{
$files = [$this->request->getFile($name)];
}
foreach ($files as $file)
{
if (is_null($file))
{
return false;
}
// We know that our mimes list always has the first mime
// start with `image` even when then are multiple accepted types.
$type = \Config\Mimes::guessTypeFromExtension($file->getExtension());
if (mb_strpos($type, 'image') !== 0)
{
return false;
}
}
return true;
}
//--------------------------------------------------------------------
/**
* Checks to see if an uploaded file's mime type matches one in the parameter.
*
* @param string|null $blank
* @param string $params
* @param array $data
*
* @return boolean
*/
public function mime_in(string $blank = null, string $params, array $data): bool
{
// Grab the file name off the top of the $params
// after we split it.
$params = explode(',', $params);
$name = array_shift($params);
if (! ($files = $this->request->getFileMultiple($name)))
{
$files = [$this->request->getFile($name)];
}
foreach ($files as $file)
{
if (is_null($file))
{
return false;
}
if (! in_array($file->getMimeType(), $params))
{
return false;
}
}
return true;
}
//--------------------------------------------------------------------
/**
* Checks to see if an uploaded file's extension matches one in the parameter.
*
* @param string|null $blank
* @param string $params
* @param array $data
*
* @return boolean
*/
public function ext_in(string $blank = null, string $params, array $data): bool
{
// Grab the file name off the top of the $params
// after we split it.
$params = explode(',', $params);
$name = array_shift($params);
if (! ($files = $this->request->getFileMultiple($name)))
{
$files = [$this->request->getFile($name)];
}
foreach ($files as $file)
{
if (is_null($file))
{
return false;
}
if (! in_array($file->getExtension(), $params))
{
return false;
}
}
return true;
}
//--------------------------------------------------------------------
/**
* Checks an uploaded file to verify that the dimensions are within
* a specified allowable dimension.
*
* @param string|null $blank
* @param string $params
* @param array $data
*
* @return boolean
*/
public function max_dims(string $blank = null, string $params, array $data): bool
{
// Grab the file name off the top of the $params
// after we split it.
$params = explode(',', $params);
$name = array_shift($params);
if (! ($files = $this->request->getFileMultiple($name)))
{
$files = [$this->request->getFile($name)];
}
foreach ($files as $file)
{
if (is_null($file))
{
return false;
}
// Get Parameter sizes
$allowedWidth = $params[0] ?? 0;
$allowedHeight = $params[1] ?? 0;
// Get uploaded image size
$info = getimagesize($file->getTempName());
$fileWidth = $info[0];
$fileHeight = $info[1];
if ($fileWidth > $allowedWidth || $fileHeight > $allowedHeight)
{
return false;
}
}
return true;
}
//--------------------------------------------------------------------
}