plugin installs

wp/wp-content/plugins/gravityformsrecaptcha/includes/class-recaptcha-api.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * API wrapper for the Recaptcha service.
+ *
+ * @since 1.0
+ * @package Gravity_Forms\Gravity_Forms_RECAPTCHA
+ */
+
+namespace Gravity_Forms\Gravity_Forms_RECAPTCHA;
+
+/**
+ * Class RECAPTCHA_API
+ *
+ * @package Gravity_Forms\Gravity_Forms_RECAPTCHA
+ */
+class RECAPTCHA_API {
+	/**
+	 * Google Recaptcha token verification URL.
+	 *
+	 * @since 1.0
+	 * @var string
+	 */
+	private $verification_url = 'https://www.google.com/recaptcha/api/siteverify';
+
+	/**
+	 * Get the result of token verification from the Recaptcha API.
+	 *
+	 * @param string $token  The token to verify.
+	 * @param string $secret The site's secret key.
+	 *
+	 * @return array|\WP_Error
+	 */
+	public function verify_token( $token, $secret ) {
+		return wp_remote_post(
+			$this->verification_url,
+			array(
+				'body' => array(
+					'secret'   => $secret,
+					'response' => $token,
+				),
+			)
+		);
+	}
+}