PersonNameProhibitedCharactersValidator.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.userprofile.validator;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
import org.keycloak.provider.ConfiguredProvider;
import org.keycloak.provider.ProviderConfigProperty;
import org.keycloak.validate.AbstractStringValidator;
import org.keycloak.validate.ValidationContext;
import org.keycloak.validate.ValidationError;
import org.keycloak.validate.ValidatorConfig;
/**
* This validator disallowing bunch of characters we really not to expect in names of persons (fist, middle, last names).
* <p>
* Validates against hardcoded RegEx pattern - accepts plain string and collection of strings, for basic behavior
* like null/blank values handling and collections support see {@link AbstractStringValidator}.
*/
public class PersonNameProhibitedCharactersValidator extends AbstractStringValidator implements ConfiguredProvider {
public static final String ID = "person-name-prohibited-characters";
public static final PersonNameProhibitedCharactersValidator INSTANCE = new PersonNameProhibitedCharactersValidator();
protected static final Pattern PATTERN = Pattern.compile("^[^<>&\"\\v$%!#?��;*~/\\\\|^=\\[\\]{}()\\p{Cntrl}]+$");
public static final String MESSAGE_NO_MATCH = "error-person-name-invalid-character";
public static final String CFG_ERROR_MESSAGE = "error-message";
private static final List<ProviderConfigProperty> configProperties = new ArrayList<>();
static {
ProviderConfigProperty property;
property = new ProviderConfigProperty();
property.setName(CFG_ERROR_MESSAGE);
property.setLabel("Error message key");
property.setHelpText("Key of the error message in i18n bundle. Dafault message key is " + MESSAGE_NO_MATCH);
property.setType(ProviderConfigProperty.STRING_TYPE);
configProperties.add(property);
}
@Override
public String getId() {
return ID;
}
@Override
protected void doValidate(String value, String inputHint, ValidationContext context, ValidatorConfig config) {
if (!PATTERN.matcher(value).matches()) {
context.addError(new ValidationError(ID, inputHint, config.getStringOrDefault(CFG_ERROR_MESSAGE, MESSAGE_NO_MATCH)));
}
}
@Override
public String getHelpText() {
return "Basic person name (First, Middle, Last name) validator disallowing bunch of characters we really do not expect in names.";
}
@Override
public List<ProviderConfigProperty> getConfigProperties() {
return configProperties;
}
}