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wp-content/plugins/ewww-image-optimizer/classes/class-async-key-verify.php

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+<?php
+/**
+ * Class for Background of Media Library images.
+ *
+ * @link https://ewww.io
+ * @package EWWW_Image_Optimizer
+ */
+
+namespace EWWW;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Handles an async request for validating API keys.
+ *
+ * Allows periodic verification of an API key without slowing down normal operations.
+ *
+ * @see EWWW\Async_Request
+ */
+class Async_Key_Verify extends Async_Request {
+
+	/**
+	 * The action name used to trigger this class extension.
+	 *
+	 * @access protected
+	 * @var string $action
+	 */
+	protected $action = 'ewwwio_async_key_verify';
+
+	/**
+	 * Handles the async key verification request.
+	 *
+	 * Called via a POST request to verify an API key asynchronously.
+	 */
+	protected function handle() {
+		session_write_close();
+		ewwwio_debug_message( '<b>' . __METHOD__ . '()</b>' );
+		check_ajax_referer( $this->identifier, 'nonce' );
+		ewww_image_optimizer_cloud_verify( ewww_image_optimizer_get_option( 'ewww_image_optimizer_cloud_key' ), false );
+	}
+}