dialog loading, validation, more logic in forms, IP address banning

database/validate.go

@@ -0,0 +1,27 @@
+/*
+ * Amsterdam Web Communities System
+ * Copyright (c) 2025 Erbosoft Metaverse Design Solutions, All Rights Reserved
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+// The database package contains database management and storage logic.
+package database
+
+import "strings"
+
+const AMS_ID_CHARS = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-_~*'$"
+
+// AmIsValidAmsterdamID returns true if the given string is a valid Amsterdam ID.
+func AmIsValidAmsterdamID(test string) bool {
+	if len(test) < 1 {
+		return false
+	}
+	for _, r := range test {
+		if !strings.ContainsRune(AMS_ID_CHARS, r) {
+			return false
+		}
+	}
+	return true
+}