138 lines
3.6 KiB
PHP
138 lines
3.6 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright 2020 Ad Aures
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* @license https://www.gnu.org/licenses/agpl-3.0.en.html AGPL3
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* @link https://castopod.org/
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*/
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namespace App\Validation;
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use CodeIgniter\Validation\FileRules as ValidationFileRules;
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class FileRules extends ValidationFileRules
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{
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/**
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* Checks an uploaded file to verify that the dimensions are within a specified allowable dimension.
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*/
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public function min_dims(string $blank = null, string $params = ''): bool
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{
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// Grab the file name off the top of the $params
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// after we split it.
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$params = explode(',', $params);
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$name = array_shift($params);
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if (! ($files = $this->request->getFileMultiple($name))) {
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$files = [$this->request->getFile($name)];
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}
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foreach ($files as $file) {
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if ($file === null) {
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return false;
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}
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if ($file->getError() === UPLOAD_ERR_NO_FILE) {
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return true;
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}
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// Get Parameter sizes
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$minWidth = $params[0] ?? 0;
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$minHeight = $params[1] ?? 0;
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// Get uploaded image size
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$info = getimagesize($file->getTempName());
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$fileWidth = $info[0];
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$fileHeight = $info[1];
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if ($fileWidth < $minWidth || $fileHeight < $minHeight) {
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return false;
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}
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}
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return true;
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}
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//--------------------------------------------------------------------
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/**
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* Checks an uploaded image to verify that the ratio corresponds to the params
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*/
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public function is_image_ratio(string $blank = null, string $params = ''): bool
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{
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// Grab the file name off the top of the $params
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// after we split it.
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$params = explode(',', $params);
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$name = array_shift($params);
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if (! ($files = $this->request->getFileMultiple($name))) {
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$files = [$this->request->getFile($name)];
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}
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foreach ($files as $file) {
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if ($file === null) {
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return false;
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}
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if ($file->getError() === UPLOAD_ERR_NO_FILE) {
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return true;
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}
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// Get Parameter sizes
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$x = $params[0] ?? 1;
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$y = $params[1] ?? 1;
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// Get uploaded image size
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[0 => $fileWidth, 1 => $fileHeight] = getimagesize($file->getTempName());
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if (($x / $y) !== ($fileWidth / $fileHeight)) {
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return false;
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}
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}
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return true;
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}
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//--------------------------------------------------------------------
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/**
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* Checks that an uploaded json file's content is valid
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*/
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public function is_json(string $blank = null, string $params = ''): bool
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{
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// Grab the file name off the top of the $params
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// after we split it.
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$params = explode(',', $params);
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$name = array_shift($params);
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if (! ($files = $this->request->getFileMultiple($name))) {
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$files = [$this->request->getFile($name)];
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}
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foreach ($files as $file) {
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if ($file === null) {
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return false;
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}
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if ($file->getError() === UPLOAD_ERR_NO_FILE) {
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return true;
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}
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$content = file_get_contents($file->getTempName());
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if ($content === false) {
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return false;
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}
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json_decode($content);
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if (json_last_error() !== JSON_ERROR_NONE) {
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return false;
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}
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}
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return true;
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}
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}
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