initial commit

.gitignore

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+vendor
+phpstan.neon

README.md

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+# Thumbnail Processor Addon for Shopware 6 to use secure ImgProxy
+
+[![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE.md)
+
+This plugins allows you to use your self-hosted secured ImgProxy. You will need Plugin `Thumbnail Processor`.
+
+## Install
+
+Download the plugin from the release page and enable it in shopware.
+
+## Usage
+Adjust the config. [See docs of ImgProxy.](https://docs.imgproxy.net/#/configuration?id=url-signature)
+
+## License
+
+The MIT License (MIT). Please see [License File](LICENSE) for more information.

bin/fix-cs.sh

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+#!/usr/bin/env bash
+echo "Fix php files"
+php ../../../dev-ops/analyze/vendor/bin/php-cs-fixer fix --config=../../../vendor/shopware/platform/.php_cs.dist -vv .

bin/static-analyze.sh

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+#!/usr/bin/env bash
+
+php "`dirname \"$0\"`"/phpstan-config-generator.php
+composer dump-autoload
+php ../../../dev-ops/analyze/vendor/bin/phpstan analyze --configuration phpstan.neon --autoload-file=../../../vendor/autoload.php src
+php ../../../dev-ops/analyze/vendor/bin/psalm --config=psalm.xml --show-info=false

composer.json

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+{
+    "name": "frosh/platform-thumbnail-processor-secure-imgproxy",
+    "keywords": [
+        "shopware",
+        "backend",
+        "admin",
+        "media",
+        "media manager",
+        "cdn",
+        "storage",
+        "thumbnail"
+    ],
+    "description": "This plugins allows you to use secured imgproxy in thumbnail processor",
+    "version": "v1.0.0",
+    "type": "shopware-platform-plugin",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "FriendsOfShopware",
+            "homepage": "https://friendsofshopware.de"
+        }
+    ],
+    "require": {
+        "shopware/core": "*",
+        "frosh/platform-thumbnail-processor": "*"
+    },
+    "extra": {
+        "shopware-plugin-class": "Frosh\\ThumbnailProcessorImgProxy\\FroshPlatformThumbnailProcessorImgProxy",
+        "label": {
+            "de-DE": "ThumbnailProcessorImgProxy Addon",
+            "en-GB": "ThumbnailProcessorImgProxy Addon"
+        },
+        "description": {
+            "de-DE": "Deutsche Beschreibung des Plugins",
+            "en-GB": "English description of the plugin"
+        }
+    },
+    "autoload": {
+        "psr-4": {
+            "Frosh\\ThumbnailProcessorImgProxy\\": "src/"
+        }
+    }
+}

src/FroshPlatformThumbnailProcessorImgProxy.php

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+<?php declare(strict_types=1);
+
+namespace Frosh\ThumbnailProcessorImgProxy;
+
+use Shopware\Core\Framework\Plugin;
+
+class FroshPlatformThumbnailProcessorImgProxy extends Plugin
+{
+}

src/Resources/config/config.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/shopware/platform/master/src/Core/System/SystemConfig/Schema/config.xsd">
+
+    <card>
+        <title>Configuration</title>
+
+        <input-field>
+            <name>Domain</name>
+            <label>Domain</label>
+            <placeholder>https://imgproxy.example.com/</placeholder>
+        </input-field>
+
+        <input-field>
+            <name>imgproxykey</name>
+            <label>KEY</label>
+        </input-field>
+
+        <input-field>
+            <name>imgproxysalt</name>
+            <label>SALT</label>
+        </input-field>
+
+        <input-field>
+            <name>resizingType</name>
+            <label>resizing_type</label>
+            <defaultValue>fit</defaultValue>
+            <placeholder>fit</placeholder>
+        </input-field>
+
+        <input-field>
+            <name>gravity</name>
+            <label>gravity</label>
+            <defaultValue>sm</defaultValue>
+            <placeholder>sm</placeholder>
+        </input-field>
+
+        <input-field type="bool">
+            <name>enlarge</name>
+            <label>enlarge</label>
+            <defaultValue>0</defaultValue>
+            <placeholder>0</placeholder>
+        </input-field>
+
+        <input-field type="int">
+            <name>signatureSize</name>
+            <label>signature size</label>
+            <defaultValue>32</defaultValue>
+            <placeholder>32</placeholder>
+        </input-field>
+
+    </card>
+</config>

src/Resources/config/services.xml

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+<?xml version="1.0" ?>
+
+<container xmlns="http://symfony.com/schema/dic/services"
+           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+           xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
+    <services>
+        <service id="Frosh\ThumbnailProcessorImgProxy\Service\ThumbnailUrlTemplate" decorates="Frosh\ThumbnailProcessor\Service\ThumbnailUrlTemplateInterface">
+            <argument type="service" id="Shopware\Core\System\SystemConfig\SystemConfigService"/>
+            <argument type="service" id="Frosh\ThumbnailProcessorImgProxy\Service\ThumbnailUrlTemplate.inner"/>
+        </service>
+    </services>
+</container>

src/Service/ThumbnailUrlTemplate.php

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+<?php declare(strict_types=1);
+
+namespace Frosh\ThumbnailProcessorImgProxy\Service;
+
+use Frosh\ThumbnailProcessor\Service\ThumbnailUrlTemplateInterface;
+use Shopware\Core\System\SystemConfig\SystemConfigService;
+
+class ThumbnailUrlTemplate implements ThumbnailUrlTemplateInterface
+{
+    /** @var string */
+    private $domain;
+
+    /** @var string */
+    private $key;
+
+    /** @var string */
+    private $salt;
+
+    /** @var string */
+    private $resizingType;
+
+    /** @var string */
+    private $gravity;
+
+    /** @var int */
+    private $enlarge;
+
+    /** @var int */
+    private $signatureSize;
+
+    /**
+     * @var ThumbnailUrlTemplateInterface
+     */
+    private $parent;
+
+    public function __construct(SystemConfigService $systemConfigService, ThumbnailUrlTemplateInterface $parent)
+    {
+        $this->domain = $systemConfigService->get('FroshPlatformThumbnailProcessorImgProxy.config.Domain');
+        $this->key = $systemConfigService->get('FroshPlatformThumbnailProcessorImgProxy.config.imgproxykey');
+        $this->salt = $systemConfigService->get('FroshPlatformThumbnailProcessorImgProxy.config.imgproxysalt');
+        $this->resizingType = $systemConfigService->get('FroshPlatformThumbnailProcessorImgProxy.config.resizingType') ?: 'fit';
+        $this->gravity = $systemConfigService->get('FroshPlatformThumbnailProcessorImgProxy.config.gravity') ?: 'sm';
+        $this->enlarge = $systemConfigService->get('FroshPlatformThumbnailProcessorImgProxy.config.enlarge') ?: 0;
+        $this->signatureSize = $systemConfigService->get('FroshPlatformThumbnailProcessorImgProxy.config.signatureSize') ?: 32;
+        $this->parent = $parent;
+    }
+
+    /**
+     * @param string $mediaUrl
+     * @param string $mediaPath
+     * @param string $width
+     * @param string $height
+     */
+    public function getUrl($mediaUrl, $mediaPath, $width, $height): string
+    {
+        $keyBin = pack('H*', $this->key);
+        $saltBin = pack('H*', $this->salt);
+
+        if (empty($keyBin) || empty($saltBin)) {
+            return $this->parent->getUrl($mediaUrl, $mediaPath, $width, $height);
+        }
+
+        $extension = pathinfo($mediaPath, PATHINFO_EXTENSION);
+        $encodedUrl = rtrim(strtr(base64_encode($mediaUrl . '/' . $mediaPath), '+/', '-_'), '=');
+
+        $path = "/{$this->resizingType}/{$width}/{$height}/{$this->gravity}/{$this->enlarge}/{$encodedUrl}.{$extension}";
+        $signature = hash_hmac('sha256', $saltBin . $path, $keyBin, true);
+
+        if ($this->signatureSize !== 32) {
+            $signature = pack('A' . $this->signatureSize, $signature);
+        }
+
+        $signature = rtrim(strtr(base64_encode($signature), '+/', '-_'), '=');
+
+        return $this->domain . '/' . $signature . $path;
+    }
+}