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File Name : FileRules.php

<?php

/**
 * This file is part of CodeIgniter 4 framework.
 *
 * (c) CodeIgniter Foundation <admin@codeigniter.com>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace CodeIgniter\Validation;

use CodeIgniter\HTTP\CLIRequest;
use CodeIgniter\HTTP\IncomingRequest;
use CodeIgniter\HTTP\RequestInterface;
use Config\Mimes;
use Config\Services;
use InvalidArgumentException;

/**
 * File validation rules
 *
 * @see \CodeIgniter\Validation\FileRulesTest
 */
class FileRules
{
    /**
     * Request instance. So we can get access to the files.
     *
     * @var IncomingRequest
     */
    protected $request;

/**
     * Constructor.
     */
    public function __construct(?RequestInterface $request = null)
    {
        if ($request === null) {
            $request = Services::request();
        }

assert($request instanceof IncomingRequest || $request instanceof CLIRequest);

$this->request = $request;
    }

/**
     * Verifies that $name is the name of a valid uploaded file.
     */
    public function uploaded(?string $blank, string $name): bool
    {
        if (! ($files = $this->request->getFileMultiple($name))) {
            $files = [$this->request->getFile($name)];
        }

foreach ($files as $file) {
            if ($file === null) {
                return false;
            }

if (ENVIRONMENT === 'testing') {
                if ($file->getError() !== 0) {
                    return false;
                }
            } else {
                // Note: cannot unit test this; no way to over-ride ENVIRONMENT?
                // @codeCoverageIgnoreStart
                if (! $file->isValid()) {
                    return false;
                }
                // @codeCoverageIgnoreEnd
            }
        }

return true;
    }

/**
     * Verifies if the file's size in Kilobytes is no larger than the parameter.
     */
    public function max_size(?string $blank, string $params): bool
    {
        // Grab the file name off the top of the $params
        // after we split it.
        $paramArray = explode(',', $params);
        if (count($paramArray) !== 2) {
            throw new InvalidArgumentException('Invalid max_size parameter: "' . $params . '"');
        }
        $name = array_shift($paramArray);

if (! ($files = $this->request->getFileMultiple($name))) {
            $files = [$this->request->getFile($name)];
        }

foreach ($files as $file) {
            if ($file === null) {
                return false;
            }

if ($file->getError() === UPLOAD_ERR_NO_FILE) {
                return true;
            }

if ($file->getError() === UPLOAD_ERR_INI_SIZE) {
                return false;
            }

if ($file->getSize() / 1024 > $paramArray[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.
     */
    public function is_image(?string $blank, string $params): 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 $file) {
            if ($file === null) {
                return false;
            }

if ($file->getError() === UPLOAD_ERR_NO_FILE) {
                return true;
            }

// We know that our mimes list always has the first mime
            // start with `image` even when then are multiple accepted types.
            $type = Mimes::guessTypeFromExtension($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.
     */
    public function mime_in(?string $blank, string $params): 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 $file) {
            if ($file === null) {
                return false;
            }

if ($file->getError() === UPLOAD_ERR_NO_FILE) {
                return true;
            }

if (! in_array($file->getMimeType(), $params, true)) {
                return false;
            }
        }

return true;
    }

/**
     * Checks to see if an uploaded file's extension matches one in the parameter.
     */
    public function ext_in(?string $blank, string $params): 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 $file) {
            if ($file === null) {
                return false;
            }

if ($file->getError() === UPLOAD_ERR_NO_FILE) {
                return true;
            }

if (! in_array($file->guessExtension(), $params, true)) {
                return false;
            }
        }

return true;
    }

/**
     * Checks an uploaded file to verify that the dimensions are within
     * a specified allowable dimension.
     */
    public function max_dims(?string $blank, string $params): 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 $file) {
            if ($file === null) {
                return false;
            }

if ($file->getError() === UPLOAD_ERR_NO_FILE) {
                return true;
            }

// 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;
    }
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	linkwbay/linkwbay	0755	2024-09-27 07:33:40
..	dir	-	linkwbay/linkwbay	0755	2024-09-27 07:33:40
Exceptions	dir	-	linkwbay/linkwbay	0755	2024-09-27 07:33:40
StrictRules	dir	-	linkwbay/linkwbay	0755	2024-09-27 07:33:40
Views	dir	-	linkwbay/linkwbay	0755	2024-09-27 07:33:40
CreditCardRules.php	text/x-php	7.91 KB	linkwbay/linkwbay	0644	2024-09-27 07:33:40
DotArrayFilter.php	text/x-php	2.99 KB	linkwbay/linkwbay	0644	2024-09-27 07:33:40
FileRules.php	text/x-php	6.84 KB	linkwbay/linkwbay	0644	2024-09-27 07:33:40
FormatRules.php	text/x-php	8.74 KB	linkwbay/linkwbay	0644	2024-09-27 07:33:40
Rules.php	text/x-php	9.98 KB	linkwbay/linkwbay	0644	2024-09-27 07:33:40
Validation.php	text/x-php	29.08 KB	linkwbay/linkwbay	0644	2024-09-27 07:33:40
ValidationInterface.php	text/x-php	4.62 KB	linkwbay/linkwbay	0644	2024-09-27 07:33:40

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