public async Task <CodeGrant> GetCodeGrantAsync(string code)
{
var outbackCodeGrant = await _outbackDbContext.CodeGrants.Include(m => m.Client).SingleOrDefaultAsync(m => m.Code == code && m.Resolved == null);
if (outbackCodeGrant == default)
{
throw new Exception($"Code grant not found for code {code}");
}
outbackCodeGrant.Resolved = DateTimeOffset.Now;
await _outbackDbContext.SaveChangesAsync();
return(new CodeGrant
{
ClientId = outbackCodeGrant.Client.ClientId,
Code = outbackCodeGrant.Code,
CodeChallange = outbackCodeGrant.CodeChallange,
CodeChallangeMethod = outbackCodeGrant.CodeChallangeMethod,
Created = outbackCodeGrant.Created,
Expires = outbackCodeGrant.Expires,
Nonce = outbackCodeGrant.Nonce,
RedirectUri = outbackCodeGrant.RedirectUri,
Scope = outbackCodeGrant.Scope,
State = outbackCodeGrant.State,
SubjectId = outbackCodeGrant.SubjectId.ToString(),
});
}
public async Task DeleteClient(string clientId)
{
var client = await _outbackDbContext.Clients.SingleOrDefaultAsync(m => m.ClientId == clientId);
if (client == default)
{
throw new Exception($"Client with id {clientId} not found");
}
_outbackDbContext.Clients.Remove(client);
await _outbackDbContext.SaveChangesAsync();
}
private async Task CreateSigningKey()
{
if (await _outbackDbContext.Secrets.AnyAsync())
{
return;
}
var secret = ECDsa.Create(ECCurve.NamedCurves.nistP256);
var ecdSaKey = new ECDsaSecurityKey(secret)
{
KeyId = _randomStringGenerator.GetRandomString(20)
};
var publicKey = ecdSaKey.ECDsa.ExportParameters(true);
var cryptographyParameters = new CryptographyParameters
{
EncodedD = Base64UrlEncoder.Encode(publicKey.D),
EncodedX = Base64UrlEncoder.Encode(publicKey.Q.X),
EncodedY = Base64UrlEncoder.Encode(publicKey.Q.Y),
KeyId = ecdSaKey.KeyId
};
var outbackSecret = new OutbackSecret
{
ActiveSigningKey = true,
CryptographyData = JsonSerializer.Serialize(cryptographyParameters),
Expires = DateTime.UtcNow.AddYears(100),
PublicKeyCryptographyType = PublicKeyCryptographyType.EC_NistP256,
};
await _outbackDbContext.Secrets.AddAsync(outbackSecret);
await _outbackDbContext.SaveChangesAsync();
}
