Initial plugin release

README.md

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+## Auto Activate Freemius Licenses
+
+A WordPress plugin that automatically activates Freemius licenses defined in the wp-config.php file.
+
+## Installation
+
+This tool can be installed as any other WordPress plugin:
+1. Copy/Upload the **auto-activate-freemius-licenses** folder to the **/wp-content/plugins/** directory.
+2. Activate the plugin through the **Plugins** menu in WordPress.
+
+To install this tool as a must-use plugin, copy/upload the **auto-activate-freemius-licenses.php** file to the **/wp-content/mu-plugins/** directory.
+
+## Configuration
+
+To configure the license keys, add the following global variable to your **wp-config.php** file anywhere before the line `/* That's all, stop editing! Happy publishing. */`:
+
+```php
+/* Define Freemius licenses in the format: 'plugin_id' => 'license key' */
+$fs_auto_activate_licenses = array(
+    '4466' => 'sk_xxxxxxxxxxxxxxxxxxxxxxxxxxxxx', // Oxygen Attributes
+    '5819' => 'sk_xxxxxxxxxxxxxxxxxxxxxxxxxxxxx', // Hydrogen Pack
+    '6334' => 'sk_xxxxxxxxxxxxxxxxxxxxxxxxxxxxx', // Advanced Scripts
+);
+```
+Make sure to remove the placeholder line of the other plugins you are not using.
+
+## Usage
+
+Once the plugin is activated and configured, your Freemius licenses will be automatically activated when the plugins are loaded.

auto-activate-freemius-licenses.php

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+<?php
+
+/**
+ * Plugin Name: Auto Activate Freemius Licenses
+ * Plugin URI: https://github.com/cleanplugins/auto-activate-freemius-licenses
+ * Description: This plugin allows you to automatically activate your Freemius licenses.
+ * Version: 1.0
+ * Requires PHP: 7.0
+ * Requires at least: 5.0
+ * Author: Clean Plugins
+ * Author URI: https://www.cleanplugins.com/
+ **/
+
+// Don't load directly
+if (!defined('ABSPATH')) {
+    header('HTTP/1.0 403 Forbidden');
+    exit;
+}
+
+// Require the minimum PHP version
+if (version_compare(PHP_VERSION, '7.0', '<')) {
+    add_action('admin_notices', function () {
+        echo '<div class="error notice"><p><b>Auto Activate Freemius Licenses</b> requires at least PHP 7.0.</p></div>';
+    });
+
+    return;
+}
+
+/**
+ * Auto activate licenses defined in wp-config.php file.
+ */
+add_action('admin_init', function () {
+    global $fs_auto_activate_licenses;
+
+    // Check if the licenses are correctly defined in wp-config.php
+    if (empty($fs_auto_activate_licenses) || !is_array($fs_auto_activate_licenses)) return;
+
+    // Check if the Freemius SDK is loaded
+    if (!class_exists('Freemius')) return;
+
+    // Check if the license activation is not runing already
+    if (get_option('fs_auto_activating_licenses')) return;
+
+    // Set the option to avoid the activation to run again in the same/other requests
+    update_option('fs_auto_activating_licenses', true);
+
+    foreach ($fs_auto_activate_licenses as $id => $license) {
+        // Check if the license is not empty and it's valid
+        if (empty($license) || strlen($license) !== 32) continue;
+
+        // Get the Freemius SDK instance for the plugin id
+        $fs = Freemius::get_instance_by_id($id);
+
+        // Check if the license is not already activated
+        if (is_object($fs) && $fs->has_api_connectivity() && !$fs->is_registered()) {
+            // Activate the license
+            $result = $fs->activate_migrated_license($license);
+
+            $name = $fs->get_plugin_name();
+            $error = $result['error'] ?? '';
+
+            // Check the license activation result
+            if ($error) {
+                add_action('admin_notices', function () use ($name, $error) {
+                    echo '<div class="notice notice-warning is-dismissible">
+                        <p><b>' . $name . '</b>: ' . $error . '</p>
+                    </div>';
+                });
+            } else {
+                $next_page = $result['next_page'] ?? '';
+                add_action('admin_notices', function () use ($name, $next_page) {
+                    $next_link = $next_page ? '<a href="' . $next_page . '">Get Started</a>.' : '';
+
+                    echo '<div class="notice notice-success is-dismissible">
+                        <p><b>' . $name . '</b>: The defined license key has been activated successfully. ' . $next_link . '</p>
+                    </div>';
+                });
+            }
+        }
+    }
+}, 0);
+
+/**
+ * Remove the option to allow the activation to run again in the other requests
+ */
+add_action('shutdown', function () {
+    if (get_option('fs_auto_activating_licenses')) {
+        update_option('fs_auto_activating_licenses', false);
+    }
+}, 0);