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parse static data to get quest data

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This commit is contained in:
Mikhail Thompson
2024-06-29 20:57:44 +03:00
parent 846b72ce9d
commit 48ed961648
11 changed files with 344 additions and 62 deletions
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2
nksrv/LobbyServer/Msgs/Misc/GetResourceHosts2.cs
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@@ -16,7 +16,7 @@ namespace nksrv.LobbyServer.Msgs.Misc
var r = new ResourceHostResponse();
r.BaseUrl = "https://cloud.nikke-kr.com/prdenv/121-b0630db21d/{Platform}";
WriteData(r);
}
}

13
nksrv/LobbyServer/Msgs/Misc/GetStaticDataPack.cs
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@@ -1,4 +1,5 @@
using Google.Protobuf;
using nksrv.StaticInfo;
using nksrv.Utils;
namespace nksrv.LobbyServer.Msgs.Misc
@@ -11,14 +12,14 @@ namespace nksrv.LobbyServer.Msgs.Misc
var req = await ReadData<StaticDataPackRequest>();
var r = new StaticDataPackResponse();
r.Url = "https://cloud.nikke-kr.com/prdenv/121-c5e64b1a1b/staticdata/data/qa-240620-05b-p1/307748/StaticData.pack";
r.Version = "data/qa-240620-05b-p1/307748";
r.Size = 11575712;
r.Url = StaticDataParser.StaticDataUrl;
r.Version = StaticDataParser.Version;
r.Size = StaticDataParser.Size;
// TODO: Read the file and compute these values
r.Sha256Sum = ByteString.CopyFrom(Convert.FromBase64String("PBcDa3PoHR2MJQ+4Xc3/FUSgkqx2gY25MBJ0ih9FMsM="));
r.Salt1 = ByteString.CopyFrom(Convert.FromBase64String("WqyrQ8MGtzwHN3AGPkqVKyjdfWZjBJXw9K7nGblv/SA="));
r.Salt2 = ByteString.CopyFrom(Convert.FromBase64String("6Gf2jEvAX2mt5OWIxIU5uDdbjKtIc+VgTjKKSLuYnsI="));
r.Sha256Sum = ByteString.CopyFrom(StaticDataParser.Sha256Sum);
r.Salt1 = ByteString.CopyFrom(StaticDataParser.Salt1);
r.Salt2 = ByteString.CopyFrom(StaticDataParser.Salt2);
WriteData(r);
}

4
nksrv/LobbyServer/Msgs/Shop/GetProductList.cs
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@@ -1,4 +1,5 @@
using nksrv.Utils;
using Swan.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
@@ -23,8 +24,9 @@ namespace nksrv.LobbyServer.Msgs.Shop
}
WriteData(response);
}
catch
catch(Exception ex)
{
Logger.Error("Error while handling GetProductList request. Have you replaced sodium library?" + ex);
;
}
}

35
nksrv/LobbyServer/Msgs/Stage/ClearStage.cs
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@@ -87,19 +87,16 @@ namespace nksrv.LobbyServer.Msgs.Stage
private static void DoQuestSpecificUserOperations(Utils.User user, int clearedStageId)
{
if (clearedStageId == 6000001)
{
user.SetQuest(2, true);
}
else if (clearedStageId == 6000002)
{
user.SetQuest(3, true);
}
else if (clearedStageId == 6000003)
var quest = StaticDataParser.Instance.GetMainQuestForStageClearCondition(clearedStageId);
if (quest == null) throw new Exception("quest not found for stage: " + clearedStageId);
user.SetQuest(quest.id, true);
user.SetQuest(quest.next_main_quest_id, false);
if (clearedStageId == 6000003)
{
// TODO: Is this the right place to copy over default characters?
// TODO: What is CSN and TID? Also need to add names for these
// Note: CSN appears to be a character ID, still not sure what TID is
// Note: TID is table index, not sure what CSN is
user.Characters.Add(new Utils.Character() { Csn = 47263455, Tid = 201001 });
user.Characters.Add(new Utils.Character() { Csn = 47273456, Tid = 330501 });
user.Characters.Add(new Utils.Character() { Csn = 47263457, Tid = 130201 });
@@ -114,24 +111,6 @@ namespace nksrv.LobbyServer.Msgs.Stage
user.TeamData.Slots.Add(new NetWholeTeamSlot { Slot = 3, Csn = 47263457, Tid = 130201, Lvl = 1 });
user.TeamData.Slots.Add(new NetWholeTeamSlot { Slot = 4, Csn = 47263458, Tid = 230101, Lvl = 1 });
user.TeamData.Slots.Add(new NetWholeTeamSlot { Slot = 5, Csn = 47263459, Tid = 301201, Lvl = 1 });
user.SetQuest(4, true);
}
else if (clearedStageId == 6001001)
{
user.SetQuest(5, true);
}
else if (clearedStageId == 6001003)
{
user.SetQuest(6, true);
}
else if (clearedStageId == 6001004)
{
user.SetQuest(7, true);
}
else if (clearedStageId == 6002001)
{
user.SetQuest(13, true);
}
}
public static int GetChapterForStageId(int stageId)

20
nksrv/LobbyServer/Msgs/Stage/GetStage.cs
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@@ -28,26 +28,6 @@ namespace nksrv.LobbyServer.Msgs.Stage
WriteData(response);
}
public static NetFieldObjectData CreateFieldInfoWithAllStages(int chapter)
{
var f = new NetFieldObjectData();
switch(chapter)
{
case 1:
f.Stages.Add(new NetFieldStageData() { StageId = 6001001 });
f.Stages.Add(new NetFieldStageData() { StageId = 6001002 });
f.Stages.Add(new NetFieldStageData() { StageId = 6001003 });
f.Stages.Add(new NetFieldStageData() { StageId = 6001004 });
// Objects are collected i think
break;
default:
Logger.Error("ERROR: CreateFieldInfoWithAllStages: TODO chapter " + chapter);
break;
}
return f;
}
public static NetFieldObjectData CreateFieldInfo(Utils.User user, int chapter)
{
var f = new NetFieldObjectData();

12
nksrv/LobbyServer/Msgs/Trigger/FinishMainQuest.cs
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@@ -1,4 +1,5 @@
using nksrv.Utils;
using nksrv.StaticInfo;
using nksrv.Utils;
using System;
using System.Collections.Generic;
using System.Linq;
@@ -15,7 +16,14 @@ namespace nksrv.LobbyServer.Msgs.Trigger
var req = await ReadData<ReqFinMainQuest>();
var user = GetUser();
Console.WriteLine("Complete quest: " + req.Tid);
user.SetQuest(req.Tid, true); // todo is this right?
user.SetQuest(req.Tid, true);
var completedQuest = StaticDataParser.Instance.GetMainQuestByTableId(req.Tid);
if (completedQuest == null) throw new Exception("Quest not found");
// set next quest as available
user.SetQuest(completedQuest.next_main_quest_id, true);
JsonDb.Save();
var response = new ResFinMainQuest();
WriteData(response);

24
nksrv/Program.cs
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@@ -19,19 +19,31 @@ using System.Net.Sockets;
using Newtonsoft.Json.Linq;
using Swan;
using Google.Api;
using nksrv.StaticInfo;
namespace nksrv
{
internal class Program
{
private static readonly HttpClient AssetDownloader = new();
public static readonly HttpClient AssetDownloader = new();
static async Task Main()
{
Logger.UnregisterLogger<ConsoleLogger>();
Logger.RegisterLogger(new GreatLogger());
Logger.Info("Initializing database");
JsonDb.Save();
Logger.Info("Load static data");
await StaticDataParser.Load();
Logger.Info("Parse static data");
await StaticDataParser.Instance.Parse();
Logger.Info("Initialize handlers");
LobbyHandler.Init();
Logger.Info("Start server");
// Start Webserver
using var server = CreateWebServer();
await server.RunAsync();
@@ -55,7 +67,7 @@ namespace nksrv
.WithModule(new ActionModule("/$batch", HttpVerbs.Any, HandleBatchRequests));
// Listen for state changes.
server.StateChanged += (s, e) => $"WebServer New State - {e.NewState}".Info();
//server.StateChanged += (s, e) => $"WebServer New State - {e.NewState}".Info();
return server;
}
@@ -137,13 +149,17 @@ namespace nksrv
ctx.Response.StatusCode = 404;
}
}
public static string GetCachePathForPath(string path)
{
return AppDomain.CurrentDomain.BaseDirectory + "cache" + path;
}
private static async Task HandleAsset(IHttpContext ctx)
{
string targetFile = AppDomain.CurrentDomain.BaseDirectory + "cache" + ctx.RequestedPath;
string targetFile = GetCachePathForPath(ctx.Request.RawUrl);
var targetDir = Path.GetDirectoryName(targetFile);
if (targetDir == null)
{
Logger.Error($"ERROR: Directory name cannot be null for request " + ctx.RequestedPath + ", file path is " + targetFile);
Logger.Error($"ERROR: Directory name cannot be null for request " + ctx.Request.RawUrl + ", file path is " + targetFile);
return;
}
Directory.CreateDirectory(targetDir);

17
nksrv/Protos/allmsgs.proto
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@@ -1613,4 +1613,21 @@ message ReqFinMainQuest {
}
message ResFinMainQuest {
}
enum SimRoomStatus {
SimroomStatus_Ready = 0;
SimroomStatus_Progress = 1;
}
message ReqGetSimRoom {
}
message ResGetSimRoom {
SimRoomStatus status = 1;
int32 currentDifficulty = 2;
int64 nextRenewAt = 3;
//repeated NetSimRoomClearInfo clearInfos = 4;
//repeated NetSimRoomEvent events = 5;
}

19
nksrv/StaticInfo/JsonStaticData.cs Normal file
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@@ -0,0 +1,19 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace nksrv.StaticInfo
{
public class MainQuestCompletionData
{
public int id;
public int group_id;
public string category = "";
public int condition_id;
public int next_main_quest_id = 0;
public int reward_id = 0;
public int target_chapter_id;
}
}

259
nksrv/StaticInfo/StaticDataParser.cs Normal file
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@@ -0,0 +1,259 @@
using nksrv.Utils;
using Swan.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
using ICSharpCode.SharpZipLib.Core;
using ICSharpCode.SharpZipLib.Zip;
using Newtonsoft.Json.Linq;
using Swan.Parsers;
using Newtonsoft.Json;
namespace nksrv.StaticInfo
{
/// <summary>
/// "Static data" which is what the game calls it, contains data such as map info, characters, quests, rewards and a lot more.
/// </summary>
public class StaticDataParser
{
// Extracted from staticinfo api call
public const string StaticDataUrl = "https://cloud.nikke-kr.com/prdenv/121-c5e64b1a1b/staticdata/data/qa-240620-05b-p1/307748/StaticData.pack";
public const string Version = "data/qa-240620-05b-p1/307748";
public const int Size = 11575712;
public static byte[] Sha256Sum = Convert.FromBase64String("PBcDa3PoHR2MJQ+4Xc3/FUSgkqx2gY25MBJ0ih9FMsM=");
public static byte[] Salt1 = Convert.FromBase64String("WqyrQ8MGtzwHN3AGPkqVKyjdfWZjBJXw9K7nGblv/SA=");
public static byte[] Salt2 = Convert.FromBase64String("6Gf2jEvAX2mt5OWIxIU5uDdbjKtIc+VgTjKKSLuYnsI=");
// These fields were extracted from the game.
public static byte[] PresharedKey = [0xCB, 0xC2, 0x1C, 0x6F, 0xF3, 0xF5, 0x07, 0xF5, 0x05, 0xBA, 0xCA, 0xD4, 0x98, 0x28, 0x84, 0x1F, 0xF0, 0xD1, 0x38, 0xC7, 0x61, 0xDF, 0xD6, 0xE6, 0x64, 0x9A, 0x85, 0x13, 0x3E, 0x1A, 0x6A, 0x0C, 0x68, 0x0E, 0x2B, 0xC4, 0xDF, 0x72, 0xF8, 0xC6, 0x55, 0xE4, 0x7B, 0x14, 0x36, 0x18, 0x3B, 0xA7, 0xD1, 0x20, 0x81, 0x22, 0xD1, 0xA9, 0x18, 0x84, 0x65, 0x13, 0x0B, 0xED, 0xA3, 0x00, 0xE5, 0xD9];
public static RSAParameters RSAParameters = new RSAParameters()
{
Exponent = [0x01, 0x00, 0x01],
Modulus = [0x89, 0xD6, 0x66, 0x00, 0x7D, 0xFC, 0x7D, 0xCE, 0x83, 0xA6, 0x62, 0xE3, 0x1A, 0x5E, 0x9A, 0x53, 0xC7, 0x8A, 0x27, 0xF3, 0x67, 0xC1, 0xF3, 0xD4, 0x37, 0xFE, 0x50, 0x6D, 0x38, 0x45, 0xDF, 0x7E, 0x73, 0x5C, 0xF4, 0x9D, 0x40, 0x4C, 0x8C, 0x63, 0x21, 0x97, 0xDF, 0x46, 0xFF, 0xB2, 0x0D, 0x0E, 0xDB, 0xB2, 0x72, 0xB4, 0xA8, 0x42, 0xCD, 0xEE, 0x48, 0x06, 0x74, 0x4F, 0xE9, 0x56, 0x6E, 0x9A, 0xB1, 0x60, 0x18, 0xBC, 0x86, 0x0B, 0xB6, 0x32, 0xA7, 0x51, 0x00, 0x85, 0x7B, 0xC8, 0x72, 0xCE, 0x53, 0x71, 0x3F, 0x64, 0xC2, 0x25, 0x58, 0xEF, 0xB0, 0xC9, 0x1D, 0xE3, 0xB3, 0x8E, 0xFC, 0x55, 0xCF, 0x8B, 0x02, 0xA5, 0xC8, 0x1E, 0xA7, 0x0E, 0x26, 0x59, 0xA8, 0x33, 0xA5, 0xF1, 0x11, 0xDB, 0xCB, 0xD3, 0xA7, 0x1F, 0xB1, 0xC6, 0x10, 0x39, 0xC8, 0x31, 0x1D, 0x60, 0xDB, 0x0D, 0xA4, 0x13, 0x4B, 0x2B, 0x0E, 0xF3, 0x6F, 0x69, 0xCB, 0xA8, 0x62, 0x03, 0x69, 0xE6, 0x95, 0x6B, 0x8D, 0x11, 0xF6, 0xAF, 0xD9, 0xC2, 0x27, 0x3A, 0x32, 0x12, 0x05, 0xC3, 0xB1, 0xE2, 0x81, 0x4B, 0x40, 0xF8, 0x8B, 0x8D, 0xBA, 0x1F, 0x55, 0x60, 0x2C, 0x09, 0xC6, 0xED, 0x73, 0x96, 0x32, 0xAF, 0x5F, 0xEE, 0x8F, 0xEB, 0x5B, 0x93, 0xCF, 0x73, 0x13, 0x15, 0x6B, 0x92, 0x7B, 0x27, 0x0A, 0x13, 0xF0, 0x03, 0x4D, 0x6F, 0x5E, 0x40, 0x7B, 0x9B, 0xD5, 0xCE, 0xFC, 0x04, 0x97, 0x7E, 0xAA, 0xA3, 0x53, 0x2A, 0xCF, 0xD2, 0xD5, 0xCF, 0x52, 0xB2, 0x40, 0x61, 0x28, 0xB1, 0xA6, 0xF6, 0x78, 0xFB, 0x69, 0x9A, 0x85, 0xD6, 0xB9, 0x13, 0x14, 0x6D, 0xC4, 0x25, 0x36, 0x17, 0xDB, 0x54, 0x0C, 0xD8, 0x77, 0x80, 0x9A, 0x00, 0x62, 0x83, 0xDD, 0xB0, 0x06, 0x64, 0xD0, 0x81, 0x5B, 0x0D, 0x23, 0x9E, 0x88, 0xBD],
DP = null
};
// Fields
public static StaticDataParser Instance;
private ZipFile MainZip;
private MemoryStream ZipStream;
private JArray questDataRecords;
private JArray stageDataRecords;
public StaticDataParser(string filePath)
{
if (!File.Exists(filePath)) throw new ArgumentException("Static data file must exist", nameof(filePath));
DecryptStaticDataAndLoadZip(filePath);
if (MainZip == null) throw new Exception("failed to read zip file");
}
#region Decryption
private void DecryptStaticDataAndLoadZip(string file)
{
using var fileStream = File.Open(file, FileMode.Open, FileAccess.Read);
var keyDecryptor = new Rfc2898DeriveBytes(PresharedKey, Salt2, 10000, HashAlgorithmName.SHA256);
var key2 = keyDecryptor.GetBytes(32);
byte[] decryptionKey = key2[0..16];
byte[] iv = key2[16..32];
var aes = Aes.Create();
aes.KeySize = 128;
aes.BlockSize = 128;
aes.Mode = CipherMode.CBC;
aes.Key = decryptionKey;
aes.IV = iv;
var transform = aes.CreateDecryptor();
// Decryption layer 1
using CryptoStream stream = new CryptoStream(fileStream, transform, CryptoStreamMode.Read);
using MemoryStream ms = new MemoryStream();
stream.CopyTo(ms);
var bytes = ms.ToArray();
// Decryption of layer 2
var zip = new ZipFile(ms, false);
var signEntry = zip.GetEntry("sign");
if (signEntry == null) throw new Exception("Sign entry not found in decrypted static data pack");
var dataEntry = zip.GetEntry("data");
if (dataEntry == null) throw new Exception("Data entry not found in decrypted static data pack");
var signStream = zip.GetInputStream(signEntry);
var dataStream = zip.GetInputStream(dataEntry);
using MemoryStream signMs = new MemoryStream();
signStream.CopyTo(signMs);
using MemoryStream dataMs = new MemoryStream();
dataStream.CopyTo(dataMs);
dataMs.Position = 0;
var rsa = RSA.Create(RSAParameters);
if (!rsa.VerifyData(dataMs, signMs.ToArray(), HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1))
throw new Exception("failed to decrypt static data (round 2)");
dataMs.Position = 0;
// Decryption of layer 3
var keyDecryptor2 = new Rfc2898DeriveBytes(PresharedKey, Salt1, 10000, HashAlgorithmName.SHA256);
var key3 = keyDecryptor2.GetBytes(32);
byte[] decryptionKey2 = key3[0..16];
byte[] iv2 = key3[16..32];
ZipStream = new MemoryStream();
AesCtrTransform(decryptionKey2, iv2, dataMs, ZipStream);
MainZip = new ZipFile(ZipStream, false);
}
public static void AesCtrTransform(
byte[] key, byte[] salt, Stream inputStream, Stream outputStream)
{
SymmetricAlgorithm aes = Aes.Create();
aes.Mode = CipherMode.ECB;
aes.Padding = PaddingMode.None;
int blockSize = aes.BlockSize / 8;
if (salt.Length != blockSize)
{
throw new ArgumentException(
"Salt size must be same as block size " +
$"(actual: {salt.Length}, expected: {blockSize})");
}
var counter = (byte[])salt.Clone();
var xorMask = new Queue<byte>();
var zeroIv = new byte[blockSize];
ICryptoTransform counterEncryptor = aes.CreateEncryptor(key, zeroIv);
int b;
while ((b = inputStream.ReadByte()) != -1)
{
if (xorMask.Count == 0)
{
var counterModeBlock = new byte[blockSize];
counterEncryptor.TransformBlock(
counter, 0, counter.Length, counterModeBlock, 0);
for (var i2 = counter.Length - 1; i2 >= 0; i2--)
{
if (++counter[i2] != 0)
{
break;
}
}
foreach (var b2 in counterModeBlock)
{
xorMask.Enqueue(b2);
}
}
var mask = xorMask.Dequeue();
outputStream.WriteByte((byte)(((byte)b) ^ mask));
}
}
public static async Task Load()
{
string targetFile = Program.GetCachePathForPath(StaticDataUrl.Replace("https://cloud.nikke-kr.com", ""));
var targetDir = Path.GetDirectoryName(targetFile);
Directory.CreateDirectory(targetDir);
if (!File.Exists(targetFile))
{
// TODO: Ip might change
var requestUri = new Uri("https://43.132.66.200/" + StaticDataUrl.Replace("https://cloud.nikke-kr.com", ""));
using var request = new HttpRequestMessage(HttpMethod.Get, requestUri);
request.Headers.TryAddWithoutValidation("host", "cloud.nikke-kr.com");
Logger.Info("Downloading static game data from server. Please wait.");
using var response = await Program.AssetDownloader.SendAsync(request);
if (response.StatusCode == HttpStatusCode.OK)
{
using var fss = new FileStream(targetFile, FileMode.CreateNew);
await response.Content.CopyToAsync(fss);
fss.Close();
}
else
{
throw new Exception("Failed to download static game data");
}
}
Instance = new(targetFile);
}
#endregion
public async Task Parse()
{
var mainQuestData = MainZip.GetEntry("MainQuestTable.json");
var campaignStageData = MainZip.GetEntry("CampaignStageTable.json");
if (mainQuestData == null) throw new Exception("MainQuestTable.json does not exist in static data");
if (campaignStageData == null) throw new Exception("CampaignStageTable.json does not exist in static data");
using StreamReader mainQuestReader = new StreamReader(MainZip.GetInputStream(mainQuestData));
var mainQuestDataString = await mainQuestReader.ReadToEndAsync();
using StreamReader campaignStageDataReader = new StreamReader(MainZip.GetInputStream(mainQuestData));
var campaignStageDataString = await campaignStageDataReader.ReadToEndAsync();
var questdata = JObject.Parse(mainQuestDataString);
var stagedata = JObject.Parse(campaignStageDataString);
questDataRecords = (JArray?)questdata["records"];
stageDataRecords = (JArray?)stagedata["records"];
if (questDataRecords == null) throw new Exception("MainQuestTable.json does not contain records array");
if (stageDataRecords == null) throw new Exception("CampaignStageTable.json does not contain records array");
}
public MainQuestCompletionData? GetMainQuestForStageClearCondition(int stage)
{
foreach (JObject item in questDataRecords)
{
var id = item["condition_id"];
if (id == null) throw new Exception("expected condition_id field in quest data");
int value = id.ToObject<int>();
if (value == stage)
{
MainQuestCompletionData? data = JsonConvert.DeserializeObject<MainQuestCompletionData>(item.ToString());
if (data == null) throw new Exception("failed to deserialize main quest data item");
return data;
}
}
return null;
}
public MainQuestCompletionData? GetMainQuestByTableId(int tid)
{
foreach (JObject item in questDataRecords)
{
var id = item["id"];
if (id == null) throw new Exception("expected condition_id field in quest data");
int value = id.ToObject<int>();
if (value == tid)
{
MainQuestCompletionData? data = JsonConvert.DeserializeObject<MainQuestCompletionData>(item.ToString());
if (data == null) throw new Exception("failed to deserialize main quest data item");
return data;
}
}
return null;
}
}
}

1
nksrv/nksrv.csproj
View File

@@ -16,6 +16,7 @@
<PackageReference Include="Grpc.AspNetCore" Version="2.63.0" />
<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
<PackageReference Include="PeterO.Cbor" Version="5.0.0-alpha1" />
<PackageReference Include="SharpZipLib" Version="1.4.2" />
<PackageReference Include="Sodium.Core" Version="1.4.0-preview.1" />
<PackageReference Include="System.Net.Http.Formatting.Extension" Version="5.2.3" />
</ItemGroup>