/// <summary>
/// Finds the user by subject identifier.
/// </summary>
/// <param name="subjectId">The subject identifier.</param>
/// <returns></returns>
public IAppUser FindBySubjectId(string subjectId)
{
// /IdentityServer/OpenId/providers/[Provider]/userId/[userId] <== Key with data
// /IdentityServer/OpenId/users/[username] <== Key forwarding to the provider+subjectId
const string keyFormat = "IdentityServer/OpenId/subjectId/{0}";
var rdb = _redis.GetDatabase();
var result = rdb.StringGet(string.Format(keyFormat, subjectId));
if (result.HasValue)
{
// IMPORTANT! This line might throw an exception if we change the format/version
IAppUser foundSubjectId = JsonConvert.DeserializeObject <TUser>(result.ToString(), _jsonSerializerSettings);
return(foundSubjectId);
}
// Search in the LDAP
if (subjectId.Contains("ldap_"))
{
var found = _authenticationService.FindUser(subjectId.Replace("ldap_", "")); // As of now, subjectId is the same as the username
if (found != null)
{
SetRedisData(found);
return(found);
}
}
// Not found at all
return(null);
}
/// <summary>
/// Finds the user by subject identifier, but does not add the user to the cache
/// since he's not logged in, in the current context.
/// </summary>
/// <param name="subjectId">The subject identifier.</param>
/// <returns>The application user.</returns>
public IAppUser FindBySubjectId(string subjectId)
{
// Search in external provider first
var foundAnything = _users.Select(f => f.Value.FirstOrDefault(g => g.Value.SubjectId == subjectId)).FirstOrDefault();
if (foundAnything.Value != null)
{
return(foundAnything.Value);
}
// Search in the LDAP
return(_authenticationService.FindUser(subjectId.Replace("ldap_", "")));
}