Вход по ПИН-коду

В Blitz Identity Provider предусмотрена возможность входа по ПИН-коду.

Пример процедуры, активирующей метод входа по ПИН-коду:

package com.identityblitz.idp.flow.dynamic;

import java.lang.*;
import java.util.*;
import java.text.*;
import java.time.*;
import java.math.*;
import java.security.*;
import javax.crypto.*;
import org.slf4j.LoggerFactory;
import org.slf4j.Logger;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.core.type.TypeReference;
import com.identityblitz.idp.login.authn.flow.*;
import com.identityblitz.idp.login.authn.flow.api.*;
import com.identityblitz.idp.login.authn.flow.ctx.*;
import com.identityblitz.idp.login.authn.flow.ctx.rights.*;
import com.identityblitz.idp.login.authn.flow.ctx.wak.*;
import com.identityblitz.idp.login.authn.flow.ctx.groups.*;
import com.identityblitz.idp.extensions.types.JsObject;
import com.identityblitz.idp.flow.common.api.*;
import com.identityblitz.idp.flow.common.model.*;
import com.identityblitz.idp.flow.dynamic.*;
import java.lang.invoke.LambdaMetafactory;
import java.util.function.Consumer;
import java.util.function.Predicate;
import java.util.stream.Stream;
import java.util.stream.Collectors;
import java.lang.invoke.LambdaMetafactory;
import static com.identityblitz.idp.login.authn.flow.StrategyState.*;

public class Pincode implements Strategy {

   private final Logger logger = LoggerFactory.getLogger("com.identityblitz.idp.flow.dynamic");

   @Override public StrategyBeginState begin(final Context ctx) {
      if ("login".equals(ctx.prompt())){
            List<String> methods = new ArrayList<String>(Arrays.asList(ctx.availableMethods()));
            methods.remove("cls");
            return StrategyState.MORE(methods.toArray(new String[0]), true);
      } else {
            if(ctx.claims("subjectId") != null)
               return StrategyState.ENOUGH();
            else
               return StrategyState.MORE(new String[]{});
      }
   }

   @Override public StrategyState next(final Context ctx) {
      Integer reqFactor = (ctx.user() == null) ? null : ctx.user().requiredFactor();
      if(reqFactor == null || reqFactor == ctx.justCompletedFactor())
            return StrategyState.ENOUGH();
      else
            return StrategyState.MORE(new String[]{});
   }
}