Added the action graphql_jwt_auth_before_authenticate and the filter …

…graphql_jwt_auth_after_authenticate to hook before and after the authentication process

src/Auth.php

@@ -47,6 +47,14 @@ public static function login_and_get_token( $username, $password ) {
 			throw new UserError( __( 'JWT Auth is not configured correctly. Please contact a site administrator.', 'wp-graphql-jwt-authentication' ) );
 		}
 
+		/**
+		 * Do whatever you need before authenticating the user.
+		 *
+		 * @param string $username Username as sent by the user
+		 * @param string $password Password as sent by the user
+		 */
+		do_action( 'graphql_jwt_auth_before_authenticate', $username, $password );
+
 		/**
 		 * Authenticate the user and get the Authenticated user object in response
 		 */
@@ -76,7 +84,12 @@ public static function login_and_get_token( $username, $password ) {
 
 		/**
 		 * Let the user modify the data before send it back
+		 *
+		 * @param \WP_User $user   		The authenticated user
+		 * @param array    $response 	The default response
 		 */
+		$response = apply_filters( 'graphql_jwt_auth_after_authenticate', $user, $response );
+
 		return ! empty( $response ) ? $response : [];
 	}