Mirror/EpinelPS
1
0
Fork 0
mirror of https://github.com/EpinelPS/EpinelPS.git synced 2025-12-15 00:14:48 +01:00
Code Issues Packages Projects Releases Wiki Activity

Update static data, and don't hard code it

Browse Source
This commit is contained in:
Mikhail
2024-07-12 14:01:38 -04:00
parent 618619e36d
commit 3865b403b4
13 changed files with 115 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
nksrv/StaticInfo/StaticDataParser.cs
View File

@@ -12,6 +12,7 @@ using ICSharpCode.SharpZipLib.Zip;
using Newtonsoft.Json.Linq;
using Swan.Parsers;
using Newtonsoft.Json;
using System.Drawing;
namespace nksrv.StaticInfo
{
@@ -20,14 +21,6 @@ namespace nksrv.StaticInfo
/// </summary>
public class StaticDataParser
{
// Extracted from staticinfo api call
public const string StaticDataUrl = "https://cloud.nikke-kr.com/prdenv/122-c8cee37754/staticdata/data/qa-240704-07b/312528/StaticData.pack";
public const string Version = "data/qa-240704-07b/312528";
public const int Size = 11799792;
public static byte[] Sha256Sum = Convert.FromBase64String("Wzy+AcGutLR6z1yM7lp+UpFkNuErf56Aj6e9taGH8j4=");
public static byte[] Salt1 = Convert.FromBase64String("vZ3Nv6JwfaZJpHwmUc0kyV7Q3Yzm8ysPhyVE0R0GVTc=");
public static byte[] Salt2 = Convert.FromBase64String("L29mjnvnlktQ1vLq+E56FkRECojiaHx9UmWzsurBfIU=");
// 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()
@@ -62,6 +55,9 @@ namespace nksrv.StaticInfo
private JArray characterTable;
private JArray tutorialTable;
public byte[] Sha256Hash;
public int Size;
static async Task<StaticDataParser> BuildAsync()
{
Logger.Info("Loading static data");
@@ -69,6 +65,7 @@ namespace nksrv.StaticInfo
Logger.Info("Parsing static data");
await Instance.Parse();
return Instance;
}
@@ -87,6 +84,11 @@ namespace nksrv.StaticInfo
ZipStream = new();
tutorialTable = new();
var rawBytes = File.ReadAllBytes(filePath);
Sha256Hash = SHA256.HashData(rawBytes);
Size = rawBytes.Length;
DecryptStaticDataAndLoadZip(filePath);
if (MainZip == null) throw new Exception("failed to read zip file");
}
@@ -95,7 +97,7 @@ namespace nksrv.StaticInfo
{
using var fileStream = File.Open(file, FileMode.Open, FileAccess.Read);
var keyDecryptor = new Rfc2898DeriveBytes(PresharedKey, Salt2, 10000, HashAlgorithmName.SHA256);
var keyDecryptor = new Rfc2898DeriveBytes(PresharedKey, GameConfig.Root.StaticData.GetSalt2Bytes(), 10000, HashAlgorithmName.SHA256);
var key2 = keyDecryptor.GetBytes(32);
byte[] decryptionKey = key2[0..16];
@@ -141,7 +143,7 @@ namespace nksrv.StaticInfo
dataMs.Position = 0;
// Decryption of layer 3
var keyDecryptor2 = new Rfc2898DeriveBytes(PresharedKey, Salt1, 10000, HashAlgorithmName.SHA256);
var keyDecryptor2 = new Rfc2898DeriveBytes(PresharedKey, GameConfig.Root.StaticData.GetSalt1Bytes(), 10000, HashAlgorithmName.SHA256);
var key3 = keyDecryptor2.GetBytes(32);
byte[] decryptionKey2 = key3[0..16];
@@ -208,7 +210,7 @@ namespace nksrv.StaticInfo
}
public static async Task Load()
{
var targetFile = await AssetDownloadUtil.DownloadOrGetFileAsync(StaticDataUrl, CancellationToken.None);
var targetFile = await AssetDownloadUtil.DownloadOrGetFileAsync(GameConfig.Root.StaticData.Url, CancellationToken.None);
if (targetFile == null) throw new Exception("static data download fail");
_instance = new(targetFile);