Added region validation

doofinder-for-woocommerce/doofinder-for-woocommerce.php

@@ -3,7 +3,7 @@
  * Plugin Name: DOOFINDER Search and Discovery for WP & WooCommerce
  * License: GPLv2 or later
  * License URI: http://www.gnu.org/licenses/gpl-2.0.html
- * Version: 2.6.0
+ * Version: 2.6.1
  * Requires at least: 5.6
  * Requires PHP: 7.0
  * Author: Doofinder
@@ -40,7 +40,7 @@ class Doofinder_For_WordPress {
 		 * @var string
 		 */
 
-		public static $version = '2.5.20';
+		public static $version = '2.6.1';
 
 		/**
 		 * The only instance of Doofinder_For_WordPress

doofinder-for-woocommerce/includes/class-settings.php

@@ -73,6 +73,13 @@ class Settings {
 		'stock_status',
 	);
 
+	/**
+	 * List of valid regions
+	 *
+	 * @var array
+	 */
+	const VALID_REGIONS = array( 'eu1', 'us1' );
+
 	/**
 	 * Array of tab settings, indexed by the id of the tag (the GET variable
 	 * representing given tab). Values contain:

doofinder-for-woocommerce/includes/settings/class-register-settings.php

@@ -148,7 +148,7 @@ function () use ( $region_option_name ) {
 			)
 		);
 
-		register_setting( self::$top_level_menu, $region_option_name );
+		register_setting( self::$top_level_menu, $region_option_name, array( 'sanitize_callback' => array( $this, 'validate_region' ) ) );
 
 		// Search engine hash.
 		$search_engine_hash_option_name =
@@ -439,6 +439,24 @@ public function validate_update_on_save( $input ) {
 		return $input;
 	}
 
+	/**
+	 * Validate region
+	 *
+	 * @param string $region_input region value.
+	 *
+	 * @return string|null
+	 */
+	public function validate_region( $region_input ) {
+		if ( ! in_array( $region_input, Settings::VALID_REGIONS, true ) ) {
+			add_settings_error(
+				'doofinder_for_wp_messages',
+				'doofinder_for_wp_message',
+				__( 'Selecting a region is mandatory.', 'wordpress-doofinder' )
+			);
+			return '';
+		}
+		return $region_input;
+	}
 
 	/**
 	 * Process additional attributes sent from the frontend

doofinder-for-woocommerce/readme.txt

@@ -1,11 +1,11 @@
 === DOOFINDER Search and Discovery for WP & WooCommerce ===
 Contributors: Doofinder
 Tags: search, autocomplete
-Version: 2.6.0
+Version: 2.6.1
 Requires at least: 5.6
 Tested up to: 6.7.1
 Requires PHP: 7.0
-Stable tag: 2.6.0
+Stable tag: 2.6.1
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -126,6 +126,9 @@ You can report security bugs through the Patchstack Vulnerability Disclosure Pro
 
 == Changelog ==
 
+= 2.6.1 =
+- Added region validation.
+
 = 2.6.0 =
 - Remove old config URL.
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "doofinder-woocommerce",
-  "version": "2.6.0",
+  "version": "2.6.1",
   "description": "Integrate Doofinder in your WooCommerce site with (almost) no effort.",
   "main": "index.js",
   "scripts": {