1 files changed, 67 insertions, 0 deletions
diff --git a/src/citron/multiplayer/validation.h b/src/citron/multiplayer/validation.h
new file mode 100644
index 000000000..cbbe6757b
--- /dev/null
+++ b/src/citron/multiplayer/validation.h
@@ -0,0 +1,67 @@
+// SPDX-FileCopyrightText: Copyright 2017 Citra Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QRegularExpression>
+#include <QString>
+#include <QValidator>
+
+class Validation {
+public:
+    Validation()
+        : room_name(room_name_regex), nickname(nickname_regex), ip(ip_regex), port(0, UINT16_MAX) {}
+
+    ~Validation() = default;
+
+    const QValidator* GetRoomName() const {
+        return &room_name;
+    }
+    const QValidator* GetNickname() const {
+        return &nickname;
+    }
+    const QValidator* GetIP() const {
+        return &ip;
+    }
+    const QValidator* GetPort() const {
+        return &port;
+    }
+
+private:
+    /// room name can be alphanumeric and " " "_" "." and "-" and must have a size of 4-20
+    QRegularExpression room_name_regex =
+        QRegularExpression(QStringLiteral("^[a-zA-Z0-9._ -]{4,20}"));
+    QRegularExpressionValidator room_name;
+
+    /// nickname can be alphanumeric and " " "_" "." and "-" and must have a size of 4-20
+    const QRegularExpression nickname_regex =
+        QRegularExpression(QStringLiteral("^[a-zA-Z0-9._ -]{4,20}"));
+    QRegularExpressionValidator nickname;
+
+    /// ipv4 / ipv6 / hostnames
+    QRegularExpression ip_regex = QRegularExpression(QStringLiteral(
+        // IPv4 regex
+        "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$|"
+        // IPv6 regex
+        "^((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|"
+        "(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-"
+        "5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|"
+        "(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)"
+        "(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|"
+        "(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]"
+        "\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|"
+        "(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2["
+        "0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|"
+        "(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2["
+        "0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|"
+        "(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2["
+        "0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|"
+        "(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?"
+        "\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:)))(%.+)?$|"
+        // Hostname regex
+        "^([a-zA-Z0-9]+(-[a-zA-Z0-9]+)*\\.)+[a-zA-Z]{2,}$"));
+    QRegularExpressionValidator ip;
+
+    /// port must be between 0 and 65535
+    QIntValidator port;
+};