FurinaImpact/FurinaImpact.SDK/Handlers/RegionHandler.cs
2023-12-09 06:45:08 +03:00

69 lines
2.4 KiB
C#

using System.Text.Json;
using FurinaImpact.Common.Security;
using FurinaImpact.Protocol;
using Google.Protobuf;
namespace FurinaImpact.SDK.Handlers;
public static class RegionHandler
{
private const string CLIENT_CUSTOM_CONFIG = "{\"sdkenv\":\"2\",\"checkdevice\":\"false\",\"loadPatch\":\"false\",\"showexception\":\"false\",\"regionConfig\":\"pm|fk|add\",\"downloadMode\":\"0\"}";
private static readonly string s_queryRegionListRsp;
private static readonly string s_queryCurRegionRsp;
static RegionHandler()
{
s_queryRegionListRsp = BuildQueryRegionListResponse();
s_queryCurRegionRsp = BuildQueryCurrentRegionResponse();
}
public static IResult OnQueryRegionList() => TypedResults.Text(s_queryRegionListRsp, "text/plain");
public static IResult OnQueryCurRegion() => TypedResults.Text(s_queryCurRegionRsp, "application/json");
private static string BuildQueryCurrentRegionResponse()
{
QueryCurrRegionHttpRsp rsp = new()
{
ClientSecretKey = ByteString.CopyFrom(MhySecurity.InitialKeyEc2b),
RegionInfo = new()
{
GateserverIp = "127.0.0.1",
GateserverPort = 22101
}
};
byte[] encryptedResponse = MhySecurity.EncryptWithRSA(rsp.ToByteArray());
byte[] signature = Array.Empty<byte>(); // signature verification bypassed with EncryptionPatch
return JsonSerializer.Serialize(new
{
content = Convert.ToBase64String(encryptedResponse),
sign = Convert.ToBase64String(signature)
});
}
private static string BuildQueryRegionListResponse()
{
byte[] clientCustomConfigEncrypted = MhySecurity.Xor(CLIENT_CUSTOM_CONFIG, MhySecurity.InitialKey);
QueryRegionListHttpRsp rsp = new()
{
ClientCustomConfigEncrypted = ByteString.CopyFrom(clientCustomConfigEncrypted),
ClientSecretKey = ByteString.CopyFrom(MhySecurity.InitialKeyEc2b),
EnableLoginPc = true,
RegionList =
{
new RegionSimpleInfo
{
Type = "DEV_PUBLIC",
DispatchUrl = "http://127.0.0.1:8888/query_cur_region",
Name = "os_russia",
Title = "FurinaImpact"
}
},
Retcode = Retcode.RET_SUCC
};
return Convert.ToBase64String(rsp.ToByteArray());
}
}