protected override async Task <AuthenticateResult> HandleAuthenticateAsync()
{
if (!Request.Headers.TryGetValue(API_KEY_HEADER_NAME, out var apiKeyHeaderValues))
{
return(AuthenticateResult.NoResult());
}
var providedApiKey = apiKeyHeaderValues.FirstOrDefault();
if (apiKeyHeaderValues.Count == 0 || string.IsNullOrWhiteSpace(providedApiKey))
{
return(AuthenticateResult.NoResult());
}
string creds = Encoding.UTF8.GetString(Convert.FromBase64String(providedApiKey));
ApiKey apiKey = JsonConvert.DeserializeObject <ApiKey>(creds);
ApiKeyDB validApiKey = await _authService.IsValidApiKey(apiKey);
if (validApiKey == null)
{
return(AuthenticateResult.Fail("Invalid api key"));
}
List <Claim> claims = new List <Claim>()
{
new Claim($"app.claims.{apiKey.ResourceId}", apiKey.Actions),
new Claim(ClaimTypes.Name, validApiKey.Name),
new Claim("Id", apiKey.Id.ToString())
};
ClaimsIdentity identity = new ClaimsIdentity(claims, Scheme.Name);
ClaimsPrincipal principal = new ClaimsPrincipal(identity);
AuthenticationTicket ticket = new AuthenticationTicket(principal, Scheme.Name);
return(AuthenticateResult.Success(ticket));
}
public async Task <ApiKeyDB> IsValidApiKey(ApiKey apiKey)
{
if (DateTime.UtcNow > new DateTime(apiKey.ExpirationDate) || apiKey.Version != API_KEY_VERSION)
{
return(null);
}
ApiKeyDB keyDBInfo = await _repo.GetApiKeyInfoAsync(apiKey);
PasswordVerificationResult res = _hasher.VerifyHashedPassword(null, keyDBInfo.Hash, apiKey.Secret);
if (res == PasswordVerificationResult.Failed)
{
_logger.LogError($"Secret hash verification failed. Object: {JsonConvert.SerializeObject(keyDBInfo)}");
return(null);
}
if (res == PasswordVerificationResult.SuccessRehashNeeded)
{
string hash = _hasher.HashPassword(null, apiKey.Secret);
await _repo.UpdateApiKeyHashAsync(apiKey.Id, hash);
}
if (keyDBInfo.State == ApiKeyState.Inactive)
{
_logger.LogError($"Api key validation failed. Object: {JsonConvert.SerializeObject(keyDBInfo)}");
return(null);
}
return(keyDBInfo);
}