Version 1.2.0

OAuth enforced as per Zoom requirements

composer.json

@@ -1,7 +1,7 @@
 {
   "name": "michaelbourne/gravity-forms-zoom-webinar-registration",
   "description": "Register attendees in your Zoom Webinar through a Gravity Form",
-  "version": "0.0.1",
+  "version": "1.2.0",
   "license": "GPL-3.0-or-later",
   "authors": [{
       "name": "Michael Bourne",
@@ -12,14 +12,17 @@
     "issues": "https://github.com/michaelbourne/gravity-forms-zoom-webinar-registration/issues"
   },
   "require-dev": {
-    "squizlabs/php_codesniffer": "^3.2.3",
-    "wp-coding-standards/wpcs": "^0.14.1",
-    "dealerdirect/phpcodesniffer-composer-installer": "^0.4.3"
-  },
-  "require": {
-    "firebase/php-jwt": "^5.2.0"
+    "squizlabs/php_codesniffer": "^3.7.1",
+    "wp-coding-standards/wpcs": "^2.3.0",
+    "dealerdirect/phpcodesniffer-composer-installer": "^1.0.0",
+    "phpcompatibility/php-compatibility": "*"
   },
   "archive": {
     "exclude": ["/vendor/wp-coding-standards", "/vendor/bin", "/vendor/squizlabs", "/vendor/dealerdirect"]
+  },
+  "config": {
+    "allow-plugins": {
+      "dealerdirect/phpcodesniffer-composer-installer": true
+    }
   }
 }

gravity-forms-zoom-webinar-registration.php

@@ -11,13 +11,13 @@
  * @wordpress-plugin
  * Plugin Name: Gravity Forms Zoom Webinar Registration
  * Description: Register attendees in your Zoom Webinar through a Gravity Form
- * Version: 1.0.1
+ * Version: 1.2.0
  * Author: Michael Bourne
  * Author URI: https://5forests.com
- * Requires at least: 5.3
- * Tested up to: 5.3
- * Stable tag: 1.0.1
- * Requires PHP: 7.1
+ * Requires at least: 5.4
+ * Tested up to: 6.1.1
+ * Stable tag: 1.2.0
+ * Requires PHP: 8.0
  * License: GPL3
  * License URI: https://www.gnu.org/licenses/gpl-3.0.en.html
  * Text Domain: gravity-zwr
@@ -26,10 +26,10 @@
  * Created Date: Friday March 25th 2020
  * Author: Michael Bourne
  * -----
- * Last Modified: Monday, March 30th 2020, 2:03:15 pm
+ * Last Modified: Friday, February 17th 2023, 3:52:08 pm
  * Modified By: Michael Bourne
  * -----
- * Copyright (C) 2020 Michael Bourne
+ * Copyright (C) 2020-2023 Michael Bourne
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -51,7 +51,7 @@
 
 defined( 'GRAVITYZWR_ROOT' ) || define( 'GRAVITYZWR_ROOT', plugin_dir_path( __FILE__ ) );
 defined( 'GRAVITYZWR_URI' ) || define( 'GRAVITYZWR_URI', plugin_dir_url( __FILE__ ) );
-defined( 'GRAVITYZWR_VERSION' ) || define( 'GRAVITYZWR_VERSION', '1.0.1' );
+defined( 'GRAVITYZWR_VERSION' ) || define( 'GRAVITYZWR_VERSION', '1.2.0' );
 defined( 'GRAVITYZWR_ZOOMAPIURL' ) || define( 'GRAVITYZWR_ZOOMAPIURL', 'https://api.zoom.us/v2' );
 
 add_action( 'gform_loaded', array( 'GravityZWR_Bootstrap', 'load' ), 5 );
@@ -67,9 +67,6 @@ public static function load() {
             return;
         }
 
-        // load vendor files.
-        require_once GRAVITYZWR_ROOT . 'vendor/autoload.php';
-
         // Load API Helper classes.
         require_once GRAVITYZWR_ROOT . 'includes/class-gravityzwr-wordpressremote.php';
         require_once GRAVITYZWR_ROOT . 'includes/class-gravityzwr-zoomapi.php';

includes/class-gravityzwr-wordpressremote.php

@@ -13,7 +13,7 @@
  * Created Date: Friday March 25th 2020
  * Author: Michael Bourne
  * -----
- * Last Modified: Monday, March 30th 2020, 2:07:50 pm
+ * Last Modified: Friday, February 17th 2023, 7:02:39 pm
  * Modified By: Michael Bourne
  * -----
  * Copyright (C) 2020 Michael Bourne
@@ -53,35 +53,35 @@ class GravityZWR_WordPressRemote {
 	/**
 	 * Request response
 	 *
-	 * @var [type]
+	 * @var array|WP_Error
 	 */
 	protected $response;
 
 	/**
 	 * Body of the response
 	 *
-	 * @var [type]
+	 * @var string
 	 */
 	protected $body;
 
 	/**
 	 * Headers of the response
 	 *
-	 * @var [type]
+	 * @var array
 	 */
 	protected $headers;
 
 	/**
 	 * Response Code from the Request
 	 *
-	 * @var [type]
+	 * @var int|string
 	 */
 	protected $response_code;
 
 	/**
 	 * Response Message from the Request
 	 *
-	 * @var [type]
+	 * @var string
 	 */
 	protected $response_message;
 
@@ -92,7 +92,7 @@ class GravityZWR_WordPressRemote {
 	 * @param array  $arguments Request Arguements.
 	 * @param string $method Request Method.
 	 */
-	public function __construct( $url, $arguments = array(), $method = 'get' ) {
+	public function __construct( string $url, array $arguments = array(), string $method = 'get' ) {
 		$this->method              = strtoupper( $method );
 		$this->url                 = $url;
 		$this->arguments           = $arguments;
@@ -115,43 +115,43 @@ public function run() {
 	/**
 	 * Get the body
 	 *
-	 * @return mixed
+	 * @return string
 	 */
-	public function get_body() {
+	public function get_body(): string {
 		return $this->body;
 	}
 
 	/**
 	 * Get the headers
 	 *
-	 * @return mixed
+	 * @return array
 	 */
-	public function get_headers() {
-		return $this->headers;
+	public function get_headers(): array {
+		return (array) $this->headers;
 	}
 
 	/**
 	 * Response Code
 	 *
 	 * @return string
 	 */
-	public function get_response_code() {
-		return $this->response_code;
+	public function get_response_code(): int {
+		return (int) $this->response_code;
 	}
 
 	/**
 	 * Get the response message
 	 *
 	 * @return string
 	 */
-	public function get_response_message() {
+	public function get_response_message(): string {
 		return $this->response_message;
 	}
 
 	/**
 	 * Get the whole response
 	 *
-	 * @return mixed
+	 * @return array|WP_Error
 	 */
 	public function get_response() {
 		return $this->response;
@@ -160,9 +160,9 @@ public function get_response() {
 	/**
 	 * If the request was a success
 	 *
-	 * @return mixed
+	 * @return bool
 	 */
-	public function is_success() {
+	public function is_success(): bool {
 		// phpcs:ignore
 		if ( '200' == (string) $this->response_code ) {
 			return true;

includes/class-gravityzwr-zoomapi.php

@@ -13,14 +13,12 @@
  * Created Date: Friday March 25th 2020
  * Author: Michael Bourne
  * -----
- * Last Modified: Monday, March 30th 2020, 2:07:45 pm
+ * Last Modified: Friday, February 17th 2023, 7:56:22 pm
  * Modified By: Michael Bourne
  * -----
  * Copyright (C) 2020 Michael Bourne
  */
 
-use \Firebase\JWT\JWT;
-
 if ( ! defined( 'ABSPATH' ) ) {
 	return;
 }
@@ -30,18 +28,56 @@
  */
 class GravityZWR_ZOOMAPI extends GravityZWR_WordPressRemote {
 	/**
-	 * Prepare the headers for JSON request and generate a JWT.
+	 * Prepare the headers for JSON request.
 	 */
 	public function run() {
-		$options = GravityZWR::get_zoom_settings_keys();
-		$key     = $options['zoomapikey'];
-        $secret  = $options['zoomapisecret'];
-        $token   = array(
-            'iss' => $key,
-            'exp' => time() + 60,
-        );
-
-		$this->arguments['headers']['Authorization'] = 'Bearer ' . JWT::encode( $token, $secret );
+
+		// Get bearer token from transients.
+		$token = get_transient( 'gravityzwr_zoom_token' );
+
+		// If transient not set or expired, send a POST request to the Zoom API to get a new token.
+		if ( false === $token ) {
+
+			$options = GravityZWR::get_zoom_settings_keys();
+
+			// Set variables from contants if set, or efault to options array if not.
+			$account = defined( 'GRAVITYZWR_ACCOUNT_ID' ) ? GRAVITYZWR_ACCOUNT_ID : $options['zoomaccountid'];
+			$client  = defined( 'GRAVITYZWR_CLIENT_ID' ) ? GRAVITYZWR_CLIENT_ID : $options['zoomclientid'];
+			$secret  = defined( 'GRAVITYZWR_CLIENT_SECRET' ) ? GRAVITYZWR_CLIENT_SECRET : $options['zoomclientsecret'];
+
+			$token = wp_remote_post(
+				'https://zoom.us/oauth/token?grant_type=account_credentials&account_id=' . $account,
+				array(
+					'headers' => array(
+						'Host'          => 'zoom.us',
+						'Authorization' => 'Basic ' . base64_encode( $client . ':' . $secret ), // phpcs:ignore
+						'Content-type'  => 'application/x-www-form-urlencoded',
+					),
+				)
+			);
+
+			// If we get a WP Error, log it and return.
+			if ( is_wp_error( $token ) ) {
+				$gfaddon = new GravityZWR();
+				$gfaddon->log_error( 'WP Error getting Zoom OAuth token: ' . $token->get_error_message() );
+				return;
+			}
+
+			// If we get a 200 response, set the transient and get the token.
+			if ( 200 === wp_remote_retrieve_response_code( $token ) ) {
+				$token   = json_decode( wp_remote_retrieve_body( $token ) );
+				$expires = (int) $token->expires_in ?? HOUR_IN_SECONDS;
+				set_transient( 'gravityzwr_zoom_token', $token->access_token, $expires );
+				$token = $token->access_token;
+			} else {
+				// If we don't get a 200 response, log the error and return.
+				$gfaddon = new GravityZWR();
+				$gfaddon->log_error( 'Zoom API Error getting Zoom token: ' . wp_remote_retrieve_response_message( $token ) );
+				return;
+			}
+		}
+
+		$this->arguments['headers']['Authorization'] = 'Bearer ' . $token;
 		$this->arguments['headers']['Content-type']  = 'application/json';
 		parent::run();
 	}