public static RomModel FindRom(RomData Data)
{
using (var db = new LiteDatabase(dbName))
{
var col = db.GetCollection <RomModel>();
return(col.FindOne(r => r.PRGSHA == Data.PRGSHA && r.CHRSHA == Data.CHRSHA));
}
}
public static async Task <RomInfo> GetRomInfo(RomData Data)
{
try
{
HttpClient client = new HttpClient();
client.BaseAddress = new Uri(baseAddress);
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
HttpResponseMessage response = await client.GetAsync($"Roms/{Data.PRGSHA}/{Data.CHRSHA}");
string responseBody = await response.Content.ReadAsStringAsync();
return(JsonConvert.DeserializeObject <RomInfo>(responseBody));
}
catch { return(null); }
}
public static RomData GetRomInfo(string Path)
{
try
{
SHA1 sha = new SHA1CryptoServiceProvider();
using (var file = File.OpenRead(Path))
{
byte[] headData = new byte[Marshal.SizeOf(typeof(NESHeader))];
file.Read(headData, 0, headData.Length);
GCHandle handle = GCHandle.Alloc(headData, GCHandleType.Pinned);
NESHeader header = (NESHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(NESHeader));
handle.Free();
int trainerSize = (header.Flags6 & (byte)Flags6.Trainer) > 0 ? 512 : 0;
byte[] prgData = new byte[16384 * header.PRGSize];
byte[] chrData = new byte[8192 * header.CHRSize];
bool pal = (header.Flags9 & 1) == 1;
file.Seek(16 + trainerSize, SeekOrigin.Begin);
file.Read(prgData, 0, prgData.Length);
file.Read(chrData, 0, chrData.Length);
var hash = string.Concat(sha.ComputeHash(file).Select(b => b.ToString("X2")));
var prgHash = string.Concat(sha.ComputeHash(prgData).Select(b => b.ToString("X2")));
var chrHash = string.Concat(sha.ComputeHash(chrData).Select(b => b.ToString("X2")));
RomData data = new RomData {
PRGSHA = prgHash, CHRSHA = chrHash
};
return(data);
}
}
catch { return(null); }
}
