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// Copyright 2021 Code Intelligence GmbH
//
// 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 com.example.el;
import static java.lang.String.format;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
public class InsecureEmailValidator implements ConstraintValidator<ValidEmailConstraint, String> {
@Override
public void initialize(ValidEmailConstraint email) {}
@Override
public boolean isValid(String email, ConstraintValidatorContext cxt) {
if (email == null || !email.matches(".+@.+\\..+")) {
// Insecure: do not call buildConstraintViolationWithTemplate with untrusted data!
cxt.buildConstraintViolationWithTemplate(format("Invalid email address: %s", email))
.addConstraintViolation();
return false;
}
return true;
}
}
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