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unit wmusers;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, HTTPDefs, websession, fpHTTP, fpWeb,
IBConnection, sqldb, fpwebdata, fpjson, extjsjson, extjsxml, sqldbwebdata;
type
{ TCombinedModule }
TCombinedModule = class(TFPWebProviderDataModule)
ProviderFormatter: TExtJSJSONDataFormatter;
ProviderInputAdaptor: TExtJSJSonWebdataInputAdaptor;
IBConnection1: TIBConnection;
Users: TSQLDBWebDataProvider;
QGetID: TSQLQuery;
SQLTransaction1: TSQLTransaction;
procedure DataModuleNewSession(Sender: TObject);
procedure ProviderFormatterBeforeDataToJSON(Sender: TObject;
AObject: TJSONObject);
procedure ProviderFormatterBeforeDelete(Sender: TObject);
procedure ProviderFormatterBeforeInsert(Sender: TObject);
procedure ProviderFormatterBeforeUpdate(Sender: TObject);
procedure UsersGetNewID(Sender: TObject; out AID: String);
procedure DataModuleCreate(Sender: TObject);
procedure DataModuleGetContentProducer(Sender: TObject;
var AContentProducer: TCustomHTTPDataContentProducer);
procedure DataModuleGetInputAdaptor(Sender: TObject;
var AInputAdaptor: TCustomWebdataInputAdaptor);
private
procedure CheckLoggedIn;
{ private declarations }
public
{ public declarations }
end;
var
CombinedModule: TCombinedModule;
implementation
{$R *.lfm}
uses inifiles;
{ TCombinedModule }
procedure TCombinedModule.DataModuleGetContentProducer(
Sender: TObject; var AContentProducer: TCustomHTTPDataContentProducer);
begin
end;
procedure TCombinedModule.DataModuleCreate(Sender: TObject);
Var
FN : String;
Ini : TMemIniFile;
begin
// Not yet published.
CreateSession:=True;
FN:=ChangeFileExt(Paramstr(0),'.ini');
If FileExists(FN) then
begin
Ini:=TMemIniFile.Create(FN);
try
With IBConnection1 do
begin
DatabaseName:=Ini.ReadString('Database','Path',DatabaseName);
UserName:=Ini.ReadString('Database','UserName',UserName);
Password:=Ini.ReadString('Database','Password',Password);
end;
finally
Ini.Free;
end;
end;
IBConnection1.Connected:=True;
end;
procedure TCombinedModule.UsersGetNewID(Sender: TObject; out
AID: String);
begin
With QGetID Do
begin
Close;
Open;
try
if (EOF and BOF) then
Raise Exception.Create('No ID generated');
AID:=Fields[0].AsString;
finally
Close;
end;
end;
end;
procedure TCombinedModule.CheckLoggedIn;
begin
If StrToIntDef(Session.Variables['UserID'],-1)=-1 then
Raise Exception.Create('You must be logged in to see or modify data');
end;
procedure TCombinedModule.ProviderFormatterBeforeDataToJSON(
Sender: TObject; AObject: TJSONObject);
begin
CheckLoggedIn;
end;
procedure TCombinedModule.DataModuleNewSession(Sender: TObject);
begin
// The cookies must all originate from the same path, otherwise the 2 datamodules will use a different session.
(Sender as TFPWebSession).SessionCookiePath:='/';
end;
procedure TCombinedModule.ProviderFormatterBeforeDelete(
Sender: TObject);
begin
CheckLoggedIn;
end;
procedure TCombinedModule.ProviderFormatterBeforeInsert(
Sender: TObject);
begin
CheckLoggedIn;
end;
procedure TCombinedModule.ProviderFormatterBeforeUpdate(
Sender: TObject);
begin
CheckLoggedIn;
end;
procedure TCombinedModule.DataModuleGetInputAdaptor(Sender: TObject;
var AInputAdaptor: TCustomWebdataInputAdaptor);
begin
end;
initialization
RegisterHTTPModule('Provider', TCombinedModule);
end.
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