Validation.java
/*
* Copyright 2016 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.services.validation;
import org.keycloak.models.utils.FormMessage;
import org.keycloak.userprofile.ValidationException;
import org.keycloak.utils.EmailValidationUtil;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
public class Validation {
public static final String FIELD_PASSWORD_CONFIRM = "password-confirm";
public static final String FIELD_EMAIL = "email";
public static final String FIELD_PASSWORD = "password";
public static final String FIELD_USERNAME = "username";
public static final String FIELD_OTP_CODE = "totp";
public static final String FIELD_OTP_LABEL = "userLabel";
private static final Pattern USERNAME_PATTERN = Pattern.compile("^[\\p{IsLatin}|\\p{IsCommon}]+$");
private static void addError(List<FormMessage> errors, String field, String message, Object... parameters){
errors.add(new FormMessage(field, message, parameters));
}
/**
* Check if string is empty (null or lenght is 0)
*
* @param s to check
* @return true if string is empty
*/
public static boolean isEmpty(String s) {
return s == null || s.length() == 0;
}
/**
* Check if string is blank (null or lenght is 0 or contains only white characters)
*
* @param s to check
* @return true if string is blank
*/
public static boolean isBlank(String s) {
return s == null || s.trim().length() == 0;
}
public static boolean isEmailValid(String email) {
return EmailValidationUtil.isValidEmail(email);
}
public static boolean isUsernameValid(String username) {
return USERNAME_PATTERN.matcher(username).matches();
}
public static List<FormMessage> getFormErrorsFromValidation(List<ValidationException.Error> errors) {
List<FormMessage> messages = new ArrayList<>();
for (ValidationException.Error error : errors) {
addError(messages, error.getAttribute(), error.getMessage(), error.getMessageParameters());
}
return messages;
}
}