protected async Task<TokenCacheInfo> RefreshToken(CustomTokenCache tokenCache, TokenCacheInfo cacheInfo)
{
if (!String.IsNullOrEmpty(cacheInfo.RefreshToken))
{
try
{
return await GetAuthorizationResultByRefreshToken(tokenCache, cacheInfo);
}
catch (AdalServiceException ex)
{
if (ex.Message.IndexOf("The provided access grant is expired or revoked") > 0)
{
AcquireTokens().Wait();
cacheInfo = GetToken(cacheInfo.TenantId).Result;
tokenCache.Clone(this.TokenStorage.GetCache());
return cacheInfo;
}
throw;
}
}
else if (!String.IsNullOrEmpty(cacheInfo.AppId) && cacheInfo.AppKey == "_certificate_")
{
throw new InvalidOperationException("Unable to refresh expired token! Try login with certificate again.");
}
else if (!String.IsNullOrEmpty(cacheInfo.AppId) && !String.IsNullOrEmpty(cacheInfo.AppKey))
{
return GetAuthorizationResultBySpn(tokenCache, cacheInfo.TenantId, cacheInfo.AppId, cacheInfo.AppKey, cacheInfo.Resource);
}
throw new NotImplementedException();
}
