/// <summary>
/// Preprocess the head of request with statistic ip accessing
/// it's used in situation of inserting user operation log into database
/// </summary>
/// <param name="request"></param>
/// <param name="flag">true, do ip statisticing</param>
/// <param name="login">true -> check if uid info in the token is null or empty</param>
/// <returns>key error or token error in left value, or else request head in right value</returns>
public static Either <Response, Request_Head> Preprocess2Either(this Request request, bool flag = false, bool login = false)
{
Util.Set_Context();
var head_Mb = request.GetHead();
if (!head_Mb.HasValue)
{
return(Constructor.Create_KeyErr_Response().ToLeft <Response, Request_Head>());
}
//if (Token.VerifyBlack(head_Mb.Value.Token))
// return Constructor.Create_BlackErr_Response().ToLeft<Response, Request_Head>();
// validate the token
var validation_Mb = head_Mb.Select <bool, Response>(
h => Token.Verify(h.Token, h.Cookie, login),
// check verify result: true -> no significant return value; false -> token error response for return value
(h, boolean) => boolean ? null : Constructor.Create_TokErr_Response());
// statistic ip accessing
head_Mb.Where(_ => !validation_Mb.HasValue && flag) // filter to make sure the token verification is passed, if not passed, ip statisticing will not be processed
.DoWhen(_ => !VisitorStatisticHandler.AuthorizeIp() && new Random().Next(0, 4) % 3 == 0,
_ => Thread.Sleep(new Random().Next(2000, 6000)))
.DoWhen(h => h.Cookie != null && h.Cookie.Length > 0,
h => VisitorStatisticHandler.counter.AddCookie(h.Cookie, Util.Get_RemoteIp()));
return(validation_Mb.HasValue ? validation_Mb.Value.ToLeft <Response, Request_Head>() : head_Mb.Value.ToRight <Response, Request_Head>());
}
/// <summary>
/// Preprocess the head of request with statistic ip accessing
/// </summary>
/// <param name="request"></param>
/// <param name="flag">true, do ip statisticing</param>
/// <returns>Encryption key error or token error response, or else null response</returns>
public static Maybe <Response> Preprocess2Maybe(this Request request, bool flag = false, bool login = false)
{
Util.Set_Context(); // switch content type of response. It is maybe required by ios client
var head_Mb = request.GetHead();
if (!head_Mb.HasValue)
{
return(Constructor.Create_KeyErr_Response().ToMaybe());
}
//if (Token.VerifyBlack(head_Mb.Value.Token))
// return Constructor.Create_BlackErr_Response().ToMaybe();
// validate the token
var validation_Mb = head_Mb.Select <bool, Response>(
h => Token.Verify(h.Token, h.Cookie, login),
// check verify result: true -> no significant return value; false -> token error response for return value
(h, boolean) => boolean ? null : Constructor.Create_TokErr_Response());
// statistic ip accessing
head_Mb.Where(_ => !validation_Mb.HasValue && flag) // filter to make sure the token verification is passed
//.Where(_ => flag) // this flag marks whether do ip statisticing
.DoWhen(_ => !VisitorStatisticHandler.AuthorizeIp() && new Random().Next(0, 4) % 3 == 0,
_ => Thread.Sleep(new Random().Next(2000, 6000)))
.DoWhen(h => h.Cookie != null && h.Cookie.Length > 0,
h => VisitorStatisticHandler.counter.AddCookie(h.Cookie, Util.Get_RemoteIp()));
return(validation_Mb.HasValue ? validation_Mb.Value : null);
}
public static Maybe <Resp_Company_List> CompanyList_Query(this Company company) =>
company.ToMaybe()
.DoWhen(_ => !VisitorStatisticHandler.AuthorizeIp(), // ip checking to provent from catching info illegelly
q => q.Pg_Index(1).Pg_Size(10).Input_Cutoff())
.DoWhen(q => !string.IsNullOrEmpty(q.oc_name),
q => q.Input(Regex.Replace(q.oc_name, @"[\\%#.]", "", RegexOptions.Compiled)))
.Do(q => DataAccess.SearchHistory_Insert(q, q.u_id.ToInt() > 0)) // Insert Search history table /* Using Do Operation if it can do */
.Where(q => q.pg_index < ConfigurationManager.AppSettings["query_pg_limit"].ToInt())
.ShiftWhenOrElse(q => q.v == 1,
q => NextGen_Company_Search(q),
q => Req_Ext.PrevGen_Company_Search(q))
.Do(q => q.oc_list.ForEach(u => u.oc_reg_capital = Util.InvestMoneyHandle(u.oc_reg_capital)));
