Core/Auth: Refactor client auth key storage to support more future client variants and preserve more information about client version

1 files changed, 110 insertions, 0 deletions

diff --git a/src/server/shared/Realm/ClientBuildInfo.h b/src/server/shared/Realm/ClientBuildInfo.h
new file mode 100644
index 00000000000..e52b585b5b0
--- /dev/null
+++ b/src/server/shared/Realm/ClientBuildInfo.h
@@ -0,0 +1,110 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TRINITYCORE_CLIENT_BUILD_INFO_H
+#define TRINITYCORE_CLIENT_BUILD_INFO_H
+
+#include "Define.h"
+#include <array>
+#include <string_view>
+#include <vector>
+
+namespace ClientBuild
+{
+consteval uint32 operator""_fourcc(char const* chars, std::size_t length)
+{
+    if (length > sizeof(uint32))
+        throw "Text can only be max 4 characters long";
+
+    uint32 uintValue = 0;
+    for (uint8 c : std::string_view(chars, length))
+    {
+        uintValue <<= 8;
+        uintValue |= c;
+    }
+
+    return uintValue;
+}
+
+TC_SHARED_API std::array<char, 5> ToCharArray(uint32 value);
+
+namespace Platform
+{
+    inline constexpr uint32 Win_x86     = "Win"_fourcc;
+    inline constexpr uint32 Win_x64     = "Wn64"_fourcc;
+    inline constexpr uint32 Win_arm64   = "WinA"_fourcc;
+    inline constexpr uint32 Mac_x86     = "Mac"_fourcc;
+    inline constexpr uint32 Mac_x64     = "Mc64"_fourcc;
+    inline constexpr uint32 Mac_arm64   = "MacA"_fourcc;
+
+    TC_SHARED_API bool IsValid(std::string_view platform);
+}
+
+namespace PlatformType
+{
+    inline constexpr uint32 Windows     = "Win"_fourcc;
+    inline constexpr uint32 macOS       = "Mac"_fourcc;
+}
+
+namespace Arch
+{
+    inline constexpr uint32 x86         = "x86"_fourcc;
+    inline constexpr uint32 x64         = "x64"_fourcc;
+    inline constexpr uint32 Arm32       = "A32"_fourcc;
+    inline constexpr uint32 Arm64       = "A64"_fourcc;
+    inline constexpr uint32 WA32        = "WA32"_fourcc;
+}
+
+namespace Type
+{
+    inline constexpr uint32 Retail      = "WoW"_fourcc;
+    inline constexpr uint32 RetailChina = "WoWC"_fourcc;
+    inline constexpr uint32 Beta        = "WoWB"_fourcc;
+    inline constexpr uint32 BetaRelease = "WoWE"_fourcc;
+    inline constexpr uint32 Ptr         = "WoWT"_fourcc;
+    inline constexpr uint32 PtrRelease  = "WoWR"_fourcc;
+}
+
+struct VariantId
+{
+    uint32 Platform;
+    uint32 Arch;
+    uint32 Type;
+
+    friend bool operator==(VariantId const& left, VariantId const& right) = default;
+};
+
+struct AuthKey
+{
+    static constexpr std::size_t Size = 16;
+
+    VariantId Variant;
+    std::array<uint8, Size> Key;
+};
+
+struct Info
+{
+    uint32 Build;
+    uint32 MajorVersion;
+    uint32 MinorVersion;
+    uint32 BugfixVersion;
+    std::array<char, 4> HotfixVersion;
+    std::vector<AuthKey> AuthKeys;
+};
+}
+
+#endif // TRINITYCORE_CLIENT_BUILD_INFO_H