Gfb 46 gravity forms braintree payments error 500 on adding credit card field

.gitignore

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+# Created by .ignore support plugin (hsz.mobi)
+.idea

README.md

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 # Integrate Gravity Forms with Braintree
 
-Braintree Payments is a payment gateway provider owned by eBAY Inc, which allows you to proces credit card payments without the need for a bank merchant account and full PCI-compliance. No sensitive data such as credit card numbers are stored on your server, Braintree takes care of everything.
-
-#### If you have found this plugin useful, consider taking a moment to rate it, or perhaps even a small donation.
+Braintree Payments is a payment gateway provider owned by PayPal which allows you to process credit card payments without the need for a bank merchant account and full PCI-compliance. No sensitive data such as credit card numbers are stored on your server, Braintree takes care of everything.
 
 ## Installation
 
-1. Upload the `gravity-forms-braintree` folder to the `/wp-content/plugins/` directory.
-2. Activate the plugin through the 'Plugins' menu in WordPress.
-3. Navigate to the Form you wish to setup with a Braintree feed.
-4. Under Form Settings, choose the Braintree option.
+### Automatic installation
 
-## Features
+Automatic installation is the easiest option as WordPress handles the file transfers itself and you don't need to leave your web browser. To do an automatic install of Gravity Forms Braintree Payments, log in to your WordPress dashboard, navigate to the Plugins menu and click Add New.
+
+In the search field type Gravity Forms Braintree Payments and click Search Plugins. Once you've found our plugin (make sure it says "by Angell EYE") you can view details about it such as the the rating and description. Most importantly, of course, you can install it by simply clicking Install Now.
+
+### Manual Installation
 
-* Seamlessly integrates your Gravity Forms credit card forms with Braintree Payments
-* Supports both production and sandbox environments, enabling you to test payments before going live
-* Form entries will only be created when payment is successful
-* Quick and easy setup
+1. Unzip the files and upload the folder into your plugins folder (/wp-content/plugins/) overwriting older versions if they exist
+2. Activate the plugin in your WordPress admin area.
 
-## Subscriptions
-The plugin does not currently support Braintree Subscriptions. Keep a look out for it in a future version
+### Usage
+
+1. Navigate to the Form you wish to setup with a Braintree feed.
+2. Under Form Settings, choose the Braintree option.
+
+## Features
 
-## Upgrade Notice
-If you are updating from a version previous to 1.0, your existing feeds will not work. Please make sure you check all your feeds and ensure they function correctly.
+* Seamlessly integrates your Gravity Forms credit card forms with Braintree Payments.
+* Supports both production and sandbox environments, enabling you to test payments before going live.
+* Form entries will only be created when payment is successful.
+* Quick and easy setup.

angelleye-gravity-forms-braintree.php

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+<?php
+/**
+ * Plugin Name: Gravity Forms Braintree Payments
+ * Plugin URI: https://angelleye.com/products/gravity-forms-braintree-payments
+ * Description: Allow your customers to purchase goods and services through Gravity Forms via Braintree Payments.
+ * Author: Angell EYE
+ * Version: 4.0.6
+ * Author URI: https://angelleye.com
+ * Text Domain: angelleye-gravity-forms-braintree
+
+ *************
+ * Attribution
+ *************
+ * This plugin is a derivative work of the code from Plugify,
+ * which is licensed with GPLv2.
+ */
+
+// Ensure WordPress has been bootstrapped
+if( !defined( 'ABSPATH' ) ) {
+    exit;
+}
+
+if (!defined('AEU_ZIP_URL')) {
+    define('AEU_ZIP_URL', 'https://updates.angelleye.com/ae-updater/angelleye-updater/angelleye-updater.zip');
+}
+
+if (!defined('GRAVITY_FORMS_BRAINTREE_ASSET_URL')) {
+    define('GRAVITY_FORMS_BRAINTREE_ASSET_URL', plugin_dir_url(__FILE__));
+}
+
+if (!defined('PAYPAL_FOR_WOOCOMMERCE_PUSH_NOTIFICATION_WEB_URL')) {
+    define('PAYPAL_FOR_WOOCOMMERCE_PUSH_NOTIFICATION_WEB_URL', 'https://www.angelleye.com/');
+}
+
+require_once dirname(__FILE__) . '/includes/angelleye-gravity-braintree-activator.php';
+require_once dirname(__FILE__) . '/includes/angelleye-plugin-requirement-checker.php';
+
+class AngelleyeGravityFormsBraintree{
+
+    protected static $instance = null;
+    public static $plugin_base_file;
+    public static $version = '4.0.6';
+
+    public static function getInstance()
+    {
+        self::$plugin_base_file = plugin_basename(__FILE__);
+        if(self::$instance==null)
+            self::$instance = new AngelleyeGravityFormsBraintree();
+
+        return self::$instance;
+    }
+
+    public function __construct()
+    {
+        register_activation_hook( __FILE__, array(AngelleyeGravityBraintreeActivator::class,"InstallDb") );
+        register_deactivation_hook( __FILE__, array(AngelleyeGravityBraintreeActivator::class,"DeactivatePlugin") );
+        register_uninstall_hook( __FILE__, array(AngelleyeGravityBraintreeActivator::class,'Uninstall'));
+
+        add_action('plugins_loaded', [$this, 'requirementCheck']);
+	    add_action( 'wp_enqueue_scripts', [$this, 'enqueue_scripts']);
+    }
+
+
+    public function enqueue_scripts() {
+	    wp_register_script('braintreegateway-dropin', "https://js.braintreegateway.com/web/dropin/1.26.0/js/dropin.min.js");
+	    wp_enqueue_script('braintreegateway-dropin');
+    }
+
+	public function requirementCheck() {
+		$checker = new Angelleye_Plugin_Requirement_Checker('Gravity Forms Braintree Payments', self::$version, self::$plugin_base_file);
+		$checker->setPHP('7.2');
+		$checker->setRequiredClasses(['GFForms' => 'The Gravity Forms plugin is required in order to run Gravity Forms Braintree Payments.']);
+		$checker->setRequiredExtensions(['xmlwriter', 'openssl', 'dom', 'hash', 'curl']);
+		$checker->setRequiredPlugins(['gravityforms/gravityforms.php'=>['min_version'=>'2.4', 'install_link'=>'https://rocketgenius.pxf.io/c/1331556/445235/7938', 'name'=>'Gravity Forms']]);
+		//$checker->setDeactivatePlugins([self::$plugin_base_file]);
+		if($checker->check()===true) {
+			$this->init();
+		}
+    }
+
+    public function init()
+    {
+        $path = trailingslashit( dirname( __FILE__ ) );
+
+        // Ensure Gravity Forms (payment addon framework) is installed and good to go
+        if( is_callable( array( 'GFForms', 'include_payment_addon_framework' ) ) ) {
+
+            // Bootstrap payment addon framework
+            GFForms::include_payment_addon_framework();
+	        GFForms::include_addon_framework();
+
+            // Require Braintree Payments core
+	        if(!class_exists('Braintree')) {
+		        require_once $path . 'lib/Braintree.php';
+	        }
+
+            // Require plugin entry point
+	        require_once $path . 'includes/angelleye-gravity-braintree-helper.php';
+            require_once $path . 'lib/class.plugify-gform-braintree.php';
+	        require_once $path . 'includes/class-angelleye-gravity-braintree-ach-field.php';
+	        require_once $path . 'includes/class-angelleye-gravity-braintree-ach-toggle-field.php';
+	        require_once $path . 'lib/angelleye-gravity-forms-payment-logger.php';
+            require_once $path . 'includes/angelleye-gravity-braintree-field-mapping.php';
+            require_once $path . 'includes/class-angelleye-gravity-braintree-creditcard.php';
+
+            /**
+             * Required functions
+             */
+            if (!function_exists('angelleye_queue_update')) {
+                require_once( 'includes/angelleye-functions.php' );
+            }
+
+            // Fire off entry point
+            new Plugify_GForm_Braintree();
+            new AngelleyeGravityBraintreeFieldMapping();
+
+	        /**
+	         * Register the ACH form field and Payment Method toggle field
+	         */
+	        GF_Fields::register( new Angelleye_Gravity_Braintree_ACH_Field() );
+	        GF_Fields::register( new Angelleye_Gravity_Braintree_ACH_Toggle_Field() );
+	        GF_Fields::register( new Angelleye_Gravity_Braintree_CreditCard_Field() );
+            AngellEYE_GForm_Braintree_Payment_Logger::instance();
+
+        }
+    }
+
+    public static function isBraintreeFeedActive()
+    {
+        global $wpdb;
+        $addon_feed_table_name = $wpdb->prefix . 'gf_addon_feed';
+        $is_active = $wpdb->get_var("select is_active from ".$addon_feed_table_name." where addon_slug='gravity-forms-braintree' and is_active=1");
+
+        return $is_active=='1';
+    }
+}
+
+AngelleyeGravityFormsBraintree::getInstance();

assets/css/gravity-forms-braintree-admin.css

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+.notice.notice-success.angelleye-notice {
+    padding: 0 !important;
+    margin: 5px 0 10px;
+    background: #FFF;
+    overflow: hidden;
+    -webkit-border-radius: 6px;
+    border-radius: 6px;
+    -webkit-box-shadow: 0 1px 1px 0 rgba(0, 0, 0, 0.05);
+    box-shadow: 0 1px 1px 0 rgba(0, 0, 0, 0.05);
+    position: relative;
+    z-index: 1;
+    min-height: 80px;
+    display: table; /* The magic ingredient! */
+    font: 13px "Open Sans", sans-serif;
+}
+.angelleye-notice > div {
+    display: table-cell;
+    vertical-align: middle;
+    cursor: default;
+    line-height: 1.5;
+}
+.angelleye-notice-logo-push {
+    background-repeat: no-repeat;
+    background-position: 50% 50%;
+}
+.angelleye-notice-logo-push span {
+    display: block;
+    margin: 0px 10px 0px 10px;
+}
+.notice.notice-success.angelleye-notice {
+    font: 13px "Open Sans", sans-serif;
+        line-height: normal;
+}
+.angelleye-notice-message {
+    color: #23282D;
+    font-size: 13px;
+    font-weight: normal;
+    line-height: 20px;
+    padding: 3px 5px;
+    -webkit-font-smoothing: antialiased;
+    width: 100%;
+}
+.angelleye-notice-message h3 {
+    margin: 4px 0px !important;
+}
+.angelleye-notice-message-inner {
+    margin-bottom: 10px;
+}
+.angelleye-notice-message p {
+    margin: 3px 0px !important;
+    padding: 0px;
+}
+.angelleye-notice-action {
+    padding-top: 5px;
+}
+.angelleye-notice-cta {
+    border-left: 1px solid #E5E5E5;
+    background: #F8F8F8;
+    padding: 0 30px;
+    position: relative;
+    white-space: nowrap;
+}
+.wp-core-ui .angelleye-notice-cta button,
+.wp-core-ui .angelleye-notice-cta .button-primary:active {
+    vertical-align: middle;
+}
+.angelleye-notice-dismiss {
+    background: transparent;
+    border: 0;
+    cursor: pointer;
+    color: #C5C5C5;
+    -webkit-font-smoothing: antialiased;
+}
+.updater-dismissible {
+    padding-right: 38px;
+    position: relative;
+}
+
+.alert-notification-custom-fields:after,.alert-notification-custom-fields:before {
+    content:"";display:table;clear:both;
+}
+.alert-notification-custom-fields{
+    padding:0.01em 16px;color:#000!important;background-color:#ffffcc!important;margin-top:16px;
+}
+
+#gform_braintree_mapping table{
+    width: 800px;
+}

assets/css/styles.css

@@ -14,3 +14,77 @@ table.feeds th#id {
 body {
   display: none;
 }
+
+.notice.notice-success.angelleye-notice {
+    padding: 0 !important;
+    margin: 5px 0 10px;
+    background: #FFF;
+    overflow: hidden;
+    -webkit-border-radius: 6px;
+    border-radius: 6px;
+    -webkit-box-shadow: 0 1px 1px 0 rgba(0, 0, 0, 0.05);
+    box-shadow: 0 1px 1px 0 rgba(0, 0, 0, 0.05);
+    position: relative;
+    z-index: 1;
+    min-height: 80px;
+    display: table; /* The magic ingredient! */
+    font: 13px "Open Sans", sans-serif;
+}
+.angelleye-notice > div {
+    display: table-cell;
+    vertical-align: middle;
+    cursor: default;
+    line-height: 1.5;
+}
+.angelleye-notice-logo-push {
+    background-repeat: no-repeat;
+    background-position: 50% 50%;
+}
+.angelleye-notice-logo-push span {
+    display: block;
+    margin: 0px 10px 0px 10px;
+}
+.notice.notice-success.angelleye-notice {
+    font: 13px "Open Sans", sans-serif;
+        line-height: normal;
+}
+.angelleye-notice-message {
+    color: #23282D;
+    font-size: 13px;
+    font-weight: normal;
+    line-height: 20px;
+    padding: 3px 5px;
+    -webkit-font-smoothing: antialiased;
+    width: 100%;
+}
+.angelleye-notice-message h3 {
+    margin: 4px 0px !important;
+}
+.angelleye-notice-message-inner {
+    margin-bottom: 10px;
+}
+.angelleye-notice-message p {
+    margin: 3px 0px !important;
+    padding: 0px;
+}
+.angelleye-notice-action {
+    padding-top: 5px;
+}
+.angelleye-notice-cta {
+    border-left: 1px solid #E5E5E5;
+    background: #F8F8F8;
+    padding: 0 30px;
+    position: relative;
+    white-space: nowrap;
+}
+.wp-core-ui .angelleye-notice-cta button,
+.wp-core-ui .angelleye-notice-cta .button-primary:active {
+    vertical-align: middle;
+}
+.angelleye-notice-dismiss {
+    background: transparent;
+    border: 0;
+    cursor: pointer;
+    color: #C5C5C5;
+    -webkit-font-smoothing: antialiased;
+}