paulgoughbooks_old
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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) 2019-2020 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 2019-2020 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 * * @return boolean */ public function uploaded(string $blank = null, string $name): bool { if (! ($files = $this->request->getFileMultiple($name))) { $files = [$this->request->getFile($name)]; } foreach ($files as $file) { if (is_null($file)) { 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. * * @param string|null $blank * @param string $params * * @return boolean */ public function max_size(string $blank = null, 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 $file) { if (is_null($file)) { return false; } if ($file->getError() === UPLOAD_ERR_NO_FILE) { return true; } if ($file->getError() === UPLOAD_ERR_INI_SIZE) { 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 * * @return boolean */ public function is_image(string $blank = null, 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 $file) { if (is_null($file)) { 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. $type = \Config\Mimes::guessTypeFromExtension($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 * * @return boolean */ public function mime_in(string $blank = null, 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 $file) { if (is_null($file)) { return false; } if ($file->getError() === UPLOAD_ERR_NO_FILE) { return true; } if (! in_array($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 * * @return boolean */ public function ext_in(string $blank = null, 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 $file) { if (is_null($file)) { return false; } if ($file->getError() === UPLOAD_ERR_NO_FILE) { return true; } if (! in_array($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 * * @return boolean */ public function max_dims(string $blank = null, 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 $file) { if (is_null($file)) { 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; } //-------------------------------------------------------------------- } |
Commits for paulgoughbooks_old/trunk/system/Validation/FileRules.php
Revision | Author | Commited | Message |
---|---|---|---|
2 | tporter | Tue 03 Nov, 2020 08:50:21 +0000 | Migration of Paul Goughs Books site to Codeignitor 4 |