first commit

wp-content/plugins/wpml-translation-management/classes/AJAX/class-wpml-tm-ajax.php

@@ -0,0 +1,33 @@
+<?php
+
+/**
+ * @author OnTheGo Systems
+ */
+class WPML_TM_AJAX {
+	/**
+	 * @param string $action
+	 *
+	 * @return bool
+	 */
+	protected function is_valid_request( $action = '' ) {
+		if ( ! $action ) {
+			$action = array_key_exists( 'action', $_POST ) ? $_POST['action'] : '';
+		}
+
+		if ( ! array_key_exists( 'nonce', $_POST ) || ! $action
+			 || ! wp_verify_nonce( sanitize_key( $_POST['nonce'] ), $action ) ) {
+
+			wp_send_json_error(
+				__(
+					'You have attempted to submit data in a not legit way.',
+					'wpml-translation-management'
+				)
+			);
+
+			return false;
+		}
+
+		return true;
+	}
+
+}