Initial commit

.gitignore

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+# CRAFT ENVIRONMENT
+.env.php
+.env.sh
+.env
+
+# COMPOSER
+/vendor
+
+# BUILD FILES
+/bower_components/*
+/node_modules/*
+/build/*
+/yarn-error.log
+
+# MISC FILES
+.cache
+.DS_Store
+.idea
+.project
+.settings
+*.esproj
+*.sublime-workspace
+*.sublime-project
+*.tmproj
+*.tmproject
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+config.codekit3
+prepros-6.config

CHANGELOG.md

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+# ForceDownload Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](http://semver.org/).
+
+## 1.0.0 - 2017-08-02
+- Initial release

LICENSE.md

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+The MIT License (MIT)
+
+Copyright (c) 2017 MDXDave
+
+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.

README.md

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+# ForceDownload plugin for Craft CMS 3.x
+
+Simple Downloader for Craft CMS 3.0.
+
+## Requirements
+
+This plugin requires Craft CMS 3.0.0-beta.23 or later.
+
+## Installation
+
+To install the plugin, follow these instructions.
+
+1. Open your terminal and go to your Craft project:
+
+        cd /path/to/project
+
+2. Then tell Composer to load the plugin:
+
+        composer require mdxdave/force-download
+
+3. In the Control Panel, go to Settings → Plugins and click the “Install” button for ForceDownload.
+
+## Using ForceDownload
+
+Just use the following code in your Twig template file (whereas __filename__ is an asset field):
+
+        {{ entry.filename[0]|forceDownload }}
+
+To use a rudimental download counter, use the fieldname as 2nd param (the __downloadCounter__ field will be inceremented by 1):
+
+        {{ entry.filename[0]|forceDownload("downloadCounter") }}
+
+
+
+Brought to you by [MDXDave](https://mdxdave.de)

composer.json

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+{
+    "name": "mdxdave/force-download",
+    "description": "Force download of assets",
+    "type": "craft-plugin",
+    "version": "1.0.0",
+    "keywords": [
+        "craft",
+        "cms",
+        "craftcms",
+        "craft-plugin",
+        "timeago"
+    ],
+    "support": {
+        "docs": "https://github.com/mdxdave/force-download/blob/master/README.md",
+        "issues": "https://github.com/mdxdave/force-download/issues"
+    },
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "MDXDave",
+            "homepage": "https://mdxdave.de"
+        }
+    ],
+    "require": {
+        "craftcms/cms": "~3.0.0-beta.23"
+    },
+    "config": {
+        "optimize-autoloader": true
+    },
+    "repositories": [
+        {
+            "type": "composer",
+            "url": "https://asset-packagist.org"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+          "mdxdave\\forcedownload\\": "src/"
+        }
+    },
+    "extra": {
+        "name": "ForceDownload",
+        "handle": "force-download",
+        "schemaVersion": "1.0.0",
+        "hasCpSettings": false,
+        "hasCpSection": false,
+        "changelogUrl": "https://raw.githubusercontent.com/mdxdave/force-download/master/CHANGELOG.md",
+        "class": "mdxdave\\forcedownload\\ForceDownload"
+    }
+}

src/ForceDownload.php

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+<?php
+/**
+ * ForceDownload Plugin for Craft CMS 3.x
+ *
+ * @link      https://mdxdave.de
+ * @copyright Copyright (c) 2017 MDXDave
+ */
+
+namespace mdxdave\forcedownload;
+
+use Craft;
+use craft\base\Plugin;
+use craft\services\Plugins;
+use craft\events\PluginEvent;
+use craft\web\UrlManager;
+use craft\events\RegisterUrlRulesEvent;
+
+use yii\base\Event;
+
+class ForceDownload extends Plugin
+{
+
+    public static $plugin;
+
+    public function init()
+    {
+        parent::init();
+        self::$plugin = $this;
+
+        Craft::$app->view->twig->addExtension(new twigextensions\ForceDownloadTwigExtension());
+
+        Craft::info(
+            Craft::t(
+                'force-download',
+                '{name} plugin loaded',
+                ['name' => $this->name]
+            ),
+            __METHOD__
+        );
+    }
+}

src/twigextensions/ForceDownloadTwigExtension.php

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+<?php
+/**
+ * ForceDownload Plugin for Craft CMS 3.x
+ *
+ * @link      https://mdxdave.de
+ * @copyright Copyright (c) 2017 MDXDave
+ */
+
+namespace mdxdave\forcedownload\twigextensions;
+
+use mdxdave\forcedownload\ForceDownload;
+use Craft;
+
+class ForceDownloadTwigExtension extends \Twig_Extension
+{
+    public function getName()
+    {
+        return 'ForceDownload';
+    }
+
+    public function getFilters()
+    {
+        return [
+            new \Twig_SimpleFilter('forceDownload', [$this, 'forceDownload']),
+        ];
+    }
+
+    function forceDownload($asset, $downloadCounter=null) {
+        if($downloadCounter){
+          $download = Craft::$app->urlManager->getMatchedElement();
+          $download->setFieldValue($downloadCounter, $download->getFieldValue($downloadCounter)+1);
+          Craft::$app->elements->saveElement($download);
+        }
+        $path = $this->_getFullDirectoryPath($asset);
+        $filename = $asset->filename;
+        $filepath = $path . '/' . $filename;
+        header('Content-type: '.$asset->getMimeType());
+        header('Content-Disposition: attachment; filename="' . $filename . '"');
+        header('Content-Transfer-Encoding: binary');
+        header('Content-Length: ' . $asset->size);
+        header('Accept-Ranges: bytes');
+        readfile($filepath);
+        exit();
+    }
+
+    private function _getFullDirectoryPath($file)
+    {
+        $volumeId = $file->volumeId;
+        $volume = Craft::$app->getVolumes()->getVolumeById($volumeId);
+        return $volume->path;
+    }
+}