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org.wildfly.security.auth.realm.jdbc.JdbcSecurityRealm Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* 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.wildfly.security.auth.realm.jdbc;
import static org.wildfly.security.auth.realm.jdbc._private.ElytronMessages.log;
import java.nio.charset.Charset;
import java.security.Principal;
import java.security.Provider;
import java.security.spec.AlgorithmParameterSpec;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
import java.util.function.Consumer;
import java.util.function.Supplier;
import javax.sql.DataSource;
import org.wildfly.common.Assert;
import org.wildfly.security.auth.SupportLevel;
import org.wildfly.security.auth.principal.NamePrincipal;
import org.wildfly.security.auth.realm.CacheableSecurityRealm;
import org.wildfly.security.auth.realm.jdbc.mapper.AttributeMapper;
import org.wildfly.security.auth.server.IdentityCredentials;
import org.wildfly.security.auth.server.RealmIdentity;
import org.wildfly.security.auth.server.RealmUnavailableException;
import org.wildfly.security.authz.Attributes;
import org.wildfly.security.authz.AuthorizationIdentity;
import org.wildfly.security.authz.MapAttributes;
import org.wildfly.security.credential.Credential;
import org.wildfly.security.evidence.Evidence;
/**
* Security realm implementation backed by a database.
*
* @author Pedro Igor
*/
public class JdbcSecurityRealm implements CacheableSecurityRealm {
private final Supplier providers;
private final List queryConfiguration;
private final Charset hashCharset;
public static JdbcSecurityRealmBuilder builder() {
return new JdbcSecurityRealmBuilder();
}
JdbcSecurityRealm(List queryConfiguration, Supplier providers, Charset hashCharset) {
this.queryConfiguration = queryConfiguration;
this.providers = providers;
this.hashCharset = hashCharset;
}
@Override
public RealmIdentity getRealmIdentity(final Principal principal) {
if (! (principal instanceof NamePrincipal)) {
return RealmIdentity.NON_EXISTENT;
}
return new JdbcRealmIdentity(principal.getName(), hashCharset);
}
@Override
public SupportLevel getCredentialAcquireSupport(final Class credentialType, final String algorithmName, final AlgorithmParameterSpec parameterSpec) throws RealmUnavailableException {
Assert.checkNotNullParam("credentialType", credentialType);
SupportLevel support = SupportLevel.UNSUPPORTED;
for (QueryConfiguration configuration : queryConfiguration) {
for (KeyMapper keyMapper : configuration.getColumnMappers(KeyMapper.class)) {
final SupportLevel mapperSupport = keyMapper.getCredentialAcquireSupport(credentialType, algorithmName, parameterSpec);
if (support.compareTo(mapperSupport) < 0) {
support = mapperSupport;
}
}
}
return support;
}
@Override
public SupportLevel getEvidenceVerifySupport(final Class evidenceType, final String algorithmName) throws RealmUnavailableException {
Assert.checkNotNullParam("evidenceType", evidenceType);
SupportLevel support = SupportLevel.UNSUPPORTED;
for (QueryConfiguration configuration : queryConfiguration) {
for (KeyMapper keyMapper : configuration.getColumnMappers(KeyMapper.class)) {
final SupportLevel mapperSupport = keyMapper.getEvidenceVerifySupport(evidenceType, algorithmName);
if (support.compareTo(mapperSupport) < 0) {
support = mapperSupport;
}
}
}
return support;
}
@Override
public void registerIdentityChangeListener(Consumer listener) {
// no notifications from this realm about changes on the underlying storage
}
private class JdbcRealmIdentity implements RealmIdentity {
private final String name;
private boolean loaded = false;
private JdbcIdentity identity;
private final Charset hashCharset;
public JdbcRealmIdentity(String name, Charset hashCharset) {
this.name = name;
this.hashCharset = hashCharset;
}
public Principal getRealmIdentityPrincipal() {
return new NamePrincipal(name);
}
@Override
public SupportLevel getCredentialAcquireSupport(final Class credentialType, final String algorithmName, final AlgorithmParameterSpec parameterSpec) throws RealmUnavailableException {
Assert.checkNotNullParam("credentialType", credentialType);
JdbcIdentity identity = getIdentity();
if (identity != null) {
return identity.identityCredentials.getCredentialAcquireSupport(credentialType, algorithmName, parameterSpec);
}
return SupportLevel.UNSUPPORTED;
}
@Override
public C getCredential(final Class credentialType) throws RealmUnavailableException {
return getCredential(credentialType, null);
}
@Override
public C getCredential(final Class credentialType, final String algorithmName) throws RealmUnavailableException {
return getCredential(credentialType, algorithmName, null);
}
@Override
public C getCredential(final Class credentialType, final String algorithmName, final AlgorithmParameterSpec parameterSpec) throws RealmUnavailableException {
Assert.checkNotNullParam("credentialType", credentialType);
JdbcIdentity identity = getIdentity();
if (identity != null) {
return identity.identityCredentials.getCredential(credentialType, algorithmName);
}
return null;
}
@Override
public SupportLevel getEvidenceVerifySupport(final Class evidenceType, final String algorithmName) throws RealmUnavailableException {
Assert.checkNotNullParam("evidenceType", evidenceType);
JdbcIdentity identity = getIdentity();
if (identity != null) {
return identity.identityCredentials.canVerify(evidenceType, algorithmName) ? SupportLevel.SUPPORTED : SupportLevel.UNSUPPORTED;
}
return SupportLevel.UNSUPPORTED;
}
@Override
public boolean verifyEvidence(final Evidence evidence) throws RealmUnavailableException {
Assert.checkNotNullParam("evidence", evidence);
JdbcIdentity identity = getIdentity();
if (identity != null) {
return identity.identityCredentials.verify(evidence, hashCharset);
}
return false;
}
public boolean exists() throws RealmUnavailableException {
return getIdentity() != null;
}
@Override
public AuthorizationIdentity getAuthorizationIdentity() throws RealmUnavailableException {
if (!exists()) {
return AuthorizationIdentity.EMPTY;
}
return AuthorizationIdentity.basicIdentity(this.identity.attributes);
}
private JdbcIdentity getIdentity() throws RealmUnavailableException {
if (!loaded && this.identity == null) {
MapAttributes attributes = new MapAttributes();
IdentityCredentials credentials = IdentityCredentials.NONE;
boolean found = false;
for (QueryConfiguration configuration : queryConfiguration) {
String sql = configuration.getSql();
log.tracef("Executing principalQuery %s with value %s", sql, name);
try (Connection connection = getConnection(configuration);
PreparedStatement preparedStatement = connection.prepareStatement(sql)) {
preparedStatement.setString(1, name);
try (ResultSet resultSet = preparedStatement.executeQuery()) {
List attributeMappers = configuration.getColumnMappers(AttributeMapper.class);
List keyMappers = configuration.getColumnMappers(KeyMapper.class);
while (resultSet.next()) {
found = true;
for (AttributeMapper attributeMapper : attributeMappers) {
Object value = attributeMapper.map(resultSet, providers);
if (value != null) {
if (attributes.containsKey(attributeMapper.getName())) {
attributes.get(attributeMapper.getName()).add(value.toString());
} else {
attributes.addFirst(attributeMapper.getName(), value.toString());
}
}
}
for (KeyMapper keyMapper : keyMappers) {
Credential credential = keyMapper.map(resultSet, providers);
if (credential != null) {
credentials = credentials.withCredential(credential);
}
}
}
}
} catch (SQLException e) {
throw log.couldNotExecuteQuery(sql, e);
} catch (Exception e) {
throw log.unexpectedErrorWhenProcessingAuthenticationQuery(sql, e);
}
}
this.identity = found ? new JdbcIdentity(attributes, credentials) : null;
loaded = true;
}
return this.identity;
}
private Connection getConnection(QueryConfiguration configuration) throws RealmUnavailableException {
try {
DataSource dataSource = configuration.getDataSource();
return dataSource.getConnection();
} catch (Exception e) {
throw log.couldNotOpenConnection(e);
}
}
private class JdbcIdentity {
private final Attributes attributes;
private final IdentityCredentials identityCredentials;
JdbcIdentity(Attributes attributes, IdentityCredentials identityCredentials) {
this.attributes = attributes;
this.identityCredentials = identityCredentials;
}
}
}
}
