From f84d83e2702915ce845b4dd73bc3452739b36c4d Mon Sep 17 00:00:00 2001
From: Devaev Maxim <mdevaev@gmail.com>
Date: Fri, 21 Aug 2020 01:21:38 +0300
Subject: [PATCH] Fixed pikvm/pikvm#48

---
 web/share/js/login/main.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/web/share/js/login/main.js b/web/share/js/login/main.js
index a76456d0..9bad70dd 100644
--- a/web/share/js/login/main.js
+++ b/web/share/js/login/main.js
@@ -58,7 +58,15 @@ function __login() {
 				} else if (http.status === 403) {
 					wm.error("Invalid username or password").then(__tryAgain);
 				} else {
-					wm.error("Login error:<br>", http.responseText).then(__tryAgain);
+					let error = "";
+					if (http.status === 400) {
+						try { error = JSON.parse(http.responseText)["result"]["error"]; } catch (_) { /* Nah */ }
+					}
+					if (error === "ValidatorError") {
+						wm.error("Incorrect username characters").then(__tryAgain);
+					} else {
+						wm.error("Login error:<br>", http.responseText).then(__tryAgain);
+					}
 				}
 			}
 		}, body, "application/x-www-form-urlencoded");