/
HaveIBeenPwnedPasswordRule.java
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/
HaveIBeenPwnedPasswordRule.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.syncope.core.persistence.jpa.dao;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import org.apache.commons.collections4.IterableUtils;
import org.apache.commons.collections4.Predicate;
import org.apache.commons.lang3.StringUtils;
import org.apache.syncope.common.lib.policy.HaveIBeenPwnedPasswordRuleConf;
import org.apache.syncope.common.lib.policy.PasswordRuleConf;
import org.apache.syncope.common.lib.types.CipherAlgorithm;
import org.apache.syncope.core.persistence.api.dao.PasswordRule;
import org.apache.syncope.core.persistence.api.dao.PasswordRuleConfClass;
import org.apache.syncope.core.persistence.api.entity.user.User;
import org.apache.syncope.core.provisioning.api.utils.policy.PasswordPolicyException;
import org.apache.syncope.core.spring.security.Encryptor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.HttpStatusCodeException;
import org.springframework.web.client.RestTemplate;
@PasswordRuleConfClass(HaveIBeenPwnedPasswordRuleConf.class)
public class HaveIBeenPwnedPasswordRule implements PasswordRule {
protected static final Logger LOG = LoggerFactory.getLogger(HaveIBeenPwnedPasswordRule.class);
private static final Encryptor ENCRYPTOR = Encryptor.getInstance();
@Override
public void enforce(final PasswordRuleConf conf, final User user) {
String clearPassword = user.getClearPassword();
String password = user.getPassword();
if (password != null && clearPassword != null) {
try {
final String sha1 = ENCRYPTOR.encode(clearPassword, CipherAlgorithm.SHA1);
HttpHeaders headers = new HttpHeaders();
headers.set(HttpHeaders.USER_AGENT, "Apache Syncope");
ResponseEntity<String> response = new RestTemplate().exchange(
URI.create("https://api.pwnedpasswords.com/range/" + sha1.substring(0, 5)),
HttpMethod.GET,
new HttpEntity<>(null, headers),
String.class);
if (StringUtils.isNotBlank(response.getBody())) {
if (IterableUtils.matchesAny(
Arrays.asList(response.getBody().split("\\n")), new Predicate<String>() {
@Override
public boolean evaluate(final String line) {
return sha1.equals(sha1.substring(0, 5) + StringUtils.substringBefore(line, ":"));
}
})) {
throw new PasswordPolicyException("Password pwned");
}
}
} catch (UnsupportedEncodingException | InvalidKeyException | NoSuchAlgorithmException
| BadPaddingException | IllegalBlockSizeException | NoSuchPaddingException e) {
LOG.error("Could not encode the password value as SHA1", e);
} catch (HttpStatusCodeException e) {
LOG.error("Error while contacting the PwnedPasswords service", e);
}
}
}
}