recca0120 / laravel-elfinder

lib/plugins/AutoResize/plugin.php

<?php
/**
 * elFinder Plugin AutoResize.
 *
 * Auto resize on file upload.
 *
 * ex. binding, configure on connector options
 *	$opts = array(
 *		'bind' => array(
 *			'upload.presave' => array(
 *				'Plugin.AutoResize.onUpLoadPreSave'
 *			)
 *		),
 *		// global configure (optional)
 *		'plugin' => array(
 *			'AutoResize' => array(
 *				'enable'         => true,       // For control by volume driver
 *				'maxWidth'       => 1024,       // Path to Water mark image
 *				'maxHeight'      => 1024,       // Margin right pixel
 *				'quality'        => 95,         // JPEG image save quality
 *				'preserveExif'   => false,      // Preserve EXIF data (Imagick only)
 *				'forceEffect'    => false,      // For change quality of small images
 *				'targetType'     => IMG_GIF|IMG_JPG|IMG_PNG|IMG_WBMP, // Target image formats ( bit-field )
 *				'offDropWith'    => null        // To disable it if it is dropped with pressing the meta key
 *				                                // Alt: 8, Ctrl: 4, Meta: 2, Shift: 1 - sum of each value
 *				                                // In case of using any key, specify it as an array
 *			)
 *		),
 *		// each volume configure (optional)
 *		'roots' => array(
 *			array(
 *				'driver' => 'LocalFileSystem',
 *				'path'   => '/path/to/files/',
 *				'URL'    => 'http://localhost/to/files/'
 *				'plugin' => array(
 *					'AutoResize' => array(
 *						'enable'         => true,       // For control by volume driver
 *						'maxWidth'       => 1024,       // Path to Water mark image
 *						'maxHeight'      => 1024,       // Margin right pixel
 *						'quality'        => 95,         // JPEG image save quality
 *						'preserveExif'   => false,      // Preserve EXIF data (Imagick only)
 *						'forceEffect'    => false,      // For change quality of small images
 *						'targetType'     => IMG_GIF|IMG_JPG|IMG_PNG|IMG_WBMP, // Target image formats ( bit-field )
 *						'offDropWith'    => null        // To disable it if it is dropped with pressing the meta key
 *						                                // Alt: 8, Ctrl: 4, Meta: 2, Shift: 1 - sum of each value
 *						                                // In case of using any key, specify it as an array
 *					)
 *				)
 *			)
 *		)
 *	);
 *
 * @author Naoki Sawada
 * @license New BSD
 */
class elFinderPluginAutoResize extends elFinderPlugin

PSR1 recommends that each class must be in a namespace of at least one level to avoid collisions.

{
    public function __construct($opts)
    {
        $defaults = [
            'enable' => true,       // For control by volume driver
            'maxWidth' => 1024,       // Path to Water mark image
            'maxHeight' => 1024,       // Margin right pixel
            'quality' => 95,         // JPEG image save quality
            'preserveExif' => false,      // Preserve EXIF data (Imagick only)
            'forceEffect' => false,      // For change quality of small images
            'targetType' => IMG_GIF | IMG_JPG | IMG_PNG | IMG_WBMP, // Target image formats ( bit-field )
            'offDropWith' => null,        // To disable it if it is dropped with pressing the meta key
                                            // Alt: 8, Ctrl: 4, Meta: 2, Shift: 1 - sum of each value
                                            // In case of using any key, specify it as an array
        ];

        $this->opts = array_merge($defaults, $opts);
    }

    public function onUpLoadPreSave(&$thash, &$name, $src, $elfinder, $volume)

The parameter $thash is not used and could be removed.

The parameter $name is not used and could be removed.

The parameter $elfinder is not used and could be removed.

    {
        $opts = $this->getCurrentOpts($volume);

        if (! $this->iaEnabled($opts)) {
            return false;
        }

        $mime = mime_content_type($src);
        if (substr($mime, 0, 5) !== 'image') {
            return false;
        }

        $srcImgInfo = getimagesize($src);
        if ($srcImgInfo === false) {
            return false;
        }

        // check target image type
        $imgTypes = [
            IMAGETYPE_GIF => IMG_GIF,
            IMAGETYPE_JPEG => IMG_JPEG,
            IMAGETYPE_PNG => IMG_PNG,
            IMAGETYPE_BMP => IMG_WBMP,
            IMAGETYPE_WBMP => IMG_WBMP,
        ];
        if (! isset($imgTypes[$srcImgInfo[2]]) || ! ($opts['targetType'] & $imgTypes[$srcImgInfo[2]])) {

This code seems to be duplicated across your project.

            return false;
        }

        if ($opts['forceEffect'] || $srcImgInfo[0] > $opts['maxWidth'] || $srcImgInfo[1] > $opts['maxHeight']) {
            return $this->resize($volume, $src, $srcImgInfo, $opts['maxWidth'], $opts['maxHeight'], $opts['quality'], $opts['preserveExif']);
        }

        return false;
    }

    private function resize($volume, $src, $srcImgInfo, $maxWidth, $maxHeight, $jpgQuality, $preserveExif)
    {
        $zoom = min(($maxWidth / $srcImgInfo[0]), ($maxHeight / $srcImgInfo[1]));
        $width = round($srcImgInfo[0] * $zoom);
        $height = round($srcImgInfo[1] * $zoom);
        $unenlarge = true;

        return $volume->imageUtil('resize', $src, compact('width', 'height', 'jpgQuality', 'preserveExif', 'unenlarge'));
    }
}