LocalDateValidator.java
/*
* Copyright 2021 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.validate.validators;
import java.text.DateFormat;
import java.text.ParseException;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import org.keycloak.models.KeycloakContext;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.UserModel;
import org.keycloak.provider.ConfiguredProvider;
import org.keycloak.provider.ProviderConfigProperty;
import org.keycloak.utils.StringUtil;
import org.keycloak.validate.AbstractStringValidator;
import org.keycloak.validate.ValidationContext;
import org.keycloak.validate.ValidationError;
import org.keycloak.validate.ValidationResult;
import org.keycloak.validate.ValidatorConfig;
/**
* A date validator that only takes into account the format associated with the current locale.
*/
public class LocalDateValidator extends AbstractStringValidator implements ConfiguredProvider {
public static final LocalDateValidator INSTANCE = new LocalDateValidator();
public static final String ID = "local-date";
public static final String MESSAGE_INVALID_DATE = "error-invalid-date";
@Override
public String getId() {
return ID;
}
@Override
protected void doValidate(String value, String inputHint, ValidationContext context, ValidatorConfig config) {
UserModel user = (UserModel) context.getAttributes().get(UserModel.class.getName());
KeycloakSession session = context.getSession();
KeycloakContext keycloakContext = session.getContext();
Locale locale = keycloakContext.resolveLocale(user);
DateFormat formatter = DateFormat.getDateInstance(DateFormat.SHORT, locale);
formatter.setLenient(false);
try {
formatter.parse(value);
} catch (ParseException e) {
context.addError(new ValidationError(ID, inputHint, MESSAGE_INVALID_DATE));
}
}
@Override
public ValidationResult validateConfig(KeycloakSession session, ValidatorConfig config) {
return ValidationResult.OK;
}
@Override
public String getHelpText() {
return "Validates date formats based on the realm or user locale.";
}
@Override
public List<ProviderConfigProperty> getConfigProperties() {
return Collections.emptyList();
}
@Override
protected boolean isIgnoreEmptyValuesConfigured(ValidatorConfig config) {
return true;
}
}