delphimvcframework/samples/middleware_jwtblacklist/WebModuleUnit1.pas

unit WebModuleUnit1;

interface

uses
  System.SysUtils,
  System.Classes,
  Web.HTTPApp,
  MVCFramework,
  MVCFramework.Commons,
  MVCFramework.Cache;

type
  TWebModule1 = class(TWebModule)
    procedure WebModuleCreate(Sender: TObject);

  private
    MVC: TMVCEngine;

  public
    { Public declarations }
  end;

var
  WebModuleClass: TComponentClass = TWebModule1;

implementation

{$R *.dfm}


uses
  AppControllerU,
  System.Generics.Collections,
  AuthenticationU,
  MVCFramework.Middleware.JWT,
  MVCFramework.Middleware.StaticFiles,
  MVCFramework.JWT,
  System.DateUtils, System.Rtti;

procedure TWebModule1.WebModuleCreate(Sender: TObject);
var
  lClaimsSetup: TJWTClaimsSetup;
  lOnAcceptToken: TMVCOnAcceptTokenProc;
  lOnNewJWTToBlackList: TMVCOnNewJWTToBlackList;
begin
  lClaimsSetup := procedure(const JWT: TJWT)
    begin
      JWT.Claims.Issuer := 'Delphi MVC Framework JWT Middleware Sample';
      if TMVCWebRequest(JWT.Data).QueryStringParamExists('rememberme') then
      begin
        JWT.Claims.ExpirationTime := Now + (OneHour * 10); // valid for 10 hour
      end
      else
      begin
        JWT.Claims.ExpirationTime := Now + OneHour; // valid for 1 hour
      end;
      JWT.Claims.NotBefore := Now - OneMinute * 5; // valid since 5 minutes ago
      JWT.Claims.IssuedAt := Now;
      JWT.CustomClaims['mycustomvalue'] := 'hello there';
    end;

  lOnAcceptToken := procedure(AContext: TWebContext; AJWTToken: String; var AAccepted: Boolean)
    var
      lDummyValue: TValue;
    begin
      AAccepted := not TMVCCacheSingleton.Instance.Contains(AJWTToken, lDummyValue);
    end;

  lOnNewJWTToBlackList := procedure(AContext: TWebContext; AJWTToken: String)
    begin
      TMVCCacheSingleton.Instance.SetValue(AJWTToken, 1);
    end;

  MVC := TMVCEngine.Create(Self,
    procedure(Config: TMVCConfig)
    begin
      Config[TMVCConfigKey.SessionTimeout] := '30';
    end);
  MVC
    .AddController(TApp1MainController)
    .AddController(TAdminController)
    .AddMiddleware(
    TMVCJWTAuthenticationMiddleware.Create(
    TAuthenticationSample.Create,
    'mys3cr37',
    '/login',
    lClaimsSetup,
    [
    TJWTCheckableClaim.ExpirationTime,
    TJWTCheckableClaim.NotBefore,
    TJWTCheckableClaim.IssuedAt
    ], 300))
    .AddMiddleware(TMVCJWTBlackListMiddleware.Create(lOnAcceptToken, lOnNewJWTToBlackList));
end;

end.