first commit

system/src/Grav/Common/GPM/Licenses.php

@@ -0,0 +1,126 @@
+<?php
+/**
+ * @package    Grav.Common.GPM
+ *
+ * @copyright  Copyright (C) 2015 - 2018 Trilby Media, LLC. All rights reserved.
+ * @license    MIT License; see LICENSE file for details.
+ */
+
+namespace Grav\Common\GPM;
+
+use Grav\Common\File\CompiledYamlFile;
+use Grav\Common\Grav;
+
+/**
+ * Class Licenses
+ *
+ * @package Grav\Common\GPM
+ */
+class Licenses
+{
+
+    /**
+     * Regex to validate the format of a License
+     *
+     * @var string
+     */
+    protected static $regex = '^(?:[A-F0-9]{8}-){3}(?:[A-F0-9]{8}){1}$';
+
+    protected static $file;
+
+
+    /**
+     * Returns the license for a Premium package
+     *
+     * @param $slug
+     * @param $license
+     *
+     * @return boolean
+     */
+    public static function set($slug, $license)
+    {
+        $licenses = self::getLicenseFile();
+        $data = $licenses->content();
+        $slug = strtolower($slug);
+
+        if ($license && !self::validate($license)) {
+            return false;
+        }
+
+        if (!is_string($license)) {
+            if (isset($data['licenses'][$slug])) {
+                unset($data['licenses'][$slug]);
+            } else {
+                return false;
+            }
+        } else {
+            $data['licenses'][$slug] = $license;
+        }
+
+        $licenses->save($data);
+        $licenses->free();
+
+        return true;
+    }
+
+    /**
+     * Returns the license for a Premium package
+     *
+     * @param $slug
+     *
+     * @return string
+     */
+    public static function get($slug = null)
+    {
+        $licenses = self::getLicenseFile();
+        $data = $licenses->content();
+        $licenses->free();
+        $slug = strtolower($slug);
+
+        if (!$slug) {
+            return isset($data['licenses']) ? $data['licenses'] : [];
+        }
+
+        if (!isset($data['licenses']) || !isset($data['licenses'][$slug])) {
+            return '';
+        }
+
+        return $data['licenses'][$slug];
+    }
+
+
+    /**
+     * Validates the License format
+     *
+     * @param $license
+     *
+     * @return bool
+     */
+    public static function validate($license = null)
+    {
+        if (!is_string($license)) {
+            return false;
+        }
+
+        return preg_match('#' . self::$regex. '#', $license);
+    }
+
+    /**
+     * Get's the License File object
+     *
+     * @return \RocketTheme\Toolbox\File\FileInterface
+     */
+    public static function getLicenseFile()
+
+    {
+        if (!isset(self::$file)) {
+            $path = Grav::instance()['locator']->findResource('user://data') . '/licenses.yaml';
+            if (!file_exists($path)) {
+                touch($path);
+            }
+            self::$file = CompiledYamlFile::instance($path);
+        }
+
+        return self::$file;
+    }
+}