private async Task InitializeAsync(string scheme)
{
if (string.IsNullOrEmpty(scheme))
{
var defaultScheme = await _authenticationSchemeProvider.GetDefaultAuthenticateSchemeAsync();
if (defaultScheme != null && defaultScheme.HandlerType == typeof(ApiTokenHandler))
{
_innerScheme = defaultScheme.Name;
}
else
{
throw new InvalidOperationException($"Default authenticate scheme type is not {typeof(ApiTokenHandler).FullName}, you must be to set scheme.");
}
}
_options = _optionsMonitor.Get(_innerScheme);
}
public virtual async Task <ClaimsPrincipal> ValidateTokenAsync(ApiTokenOptions options, [NotNull] string token, string schemeName)
{
TokenModel tokenModel = null;
//Get from cache
if (options.UseCache)
{
var tokenModelCache = await _cacheService.GetAsync(token, schemeName);
if (tokenModelCache != null)
{
if (tokenModelCache.Available)
{
tokenModel = tokenModelCache.Token;
}
else
{
throw new TokenInvalidException("matching token could not be found from cache");
}
}
}
//If cache return null, then get from db
if (tokenModel == null)
{
var queryTokenModel = await _store.GetAsync(token, schemeName);
if (queryTokenModel != null && queryTokenModel.IsValid)
{
tokenModel = queryTokenModel;
}
//set cache
if (tokenModel != null && options.UseCache)
{
await _cacheService.SetAsync(tokenModel);
}
}
if (tokenModel == null)
{
if (options.UseCache)
{
await _cacheService.SetNullAsync(token, schemeName);
}
throw new TokenInvalidException("matching token could not be found");
}
//Check expiration
if (!tokenModel.IsValid)
{
throw new TokenExpiredException("Token expired at " + tokenModel.Expiration, tokenModel.Expiration.DateTime);
}
//Generate ClaimsPrincipal
var claims = tokenModel.Claims;
var result = new ClaimsPrincipal();
result.AddIdentity(new ClaimsIdentity(claims, schemeName, options.NameClaimType, options.RoleClaimType));
return(result);
}