Add Internal OpenSAML API
This will be useful for exposing OpenSAML functionality at a higher level. Each OpenSAML major version release should provide a new implementation. Issue gh-11658
This commit is contained in:
Josh Cummings
parent
54a4792b7a
commit
94431d1650
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@ -0,0 +1,617 @@
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/*
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* Copyright 2002-2024 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.security.saml2.internal;
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import java.io.ByteArrayInputStream;
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import java.io.InputStream;
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import java.nio.charset.StandardCharsets;
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import java.security.PrivateKey;
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import java.security.cert.X509Certificate;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import javax.xml.namespace.QName;
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import net.shibboleth.utilities.java.support.resolver.CriteriaSet;
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import net.shibboleth.utilities.java.support.xml.SerializeSupport;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.opensaml.core.criterion.EntityIdCriterion;
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import org.opensaml.core.xml.XMLObject;
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import org.opensaml.core.xml.XMLObjectBuilder;
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import org.opensaml.core.xml.config.XMLObjectProviderRegistrySupport;
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import org.opensaml.core.xml.io.Marshaller;
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import org.opensaml.core.xml.io.MarshallingException;
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import org.opensaml.core.xml.io.Unmarshaller;
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import org.opensaml.core.xml.io.UnmarshallerFactory;
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import org.opensaml.core.xml.util.XMLObjectSupport;
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import org.opensaml.saml.common.xml.SAMLConstants;
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import org.opensaml.saml.criterion.ProtocolCriterion;
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import org.opensaml.saml.ext.saml2delrestrict.Delegate;
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import org.opensaml.saml.ext.saml2delrestrict.DelegationRestrictionType;
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import org.opensaml.saml.metadata.criteria.role.impl.EvaluableProtocolRoleDescriptorCriterion;
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import org.opensaml.saml.saml2.core.Assertion;
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import org.opensaml.saml.saml2.core.Attribute;
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import org.opensaml.saml.saml2.core.AttributeStatement;
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import org.opensaml.saml.saml2.core.Condition;
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import org.opensaml.saml.saml2.core.EncryptedAssertion;
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import org.opensaml.saml.saml2.core.EncryptedAttribute;
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import org.opensaml.saml.saml2.core.Issuer;
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import org.opensaml.saml.saml2.core.LogoutRequest;
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import org.opensaml.saml.saml2.core.NameID;
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import org.opensaml.saml.saml2.core.RequestAbstractType;
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import org.opensaml.saml.saml2.core.Response;
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import org.opensaml.saml.saml2.core.StatusResponseType;
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import org.opensaml.saml.saml2.core.Subject;
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import org.opensaml.saml.saml2.core.SubjectConfirmation;
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import org.opensaml.saml.saml2.encryption.Decrypter;
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import org.opensaml.saml.saml2.encryption.EncryptedElementTypeEncryptedKeyResolver;
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import org.opensaml.saml.security.impl.SAMLMetadataSignatureSigningParametersResolver;
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import org.opensaml.saml.security.impl.SAMLSignatureProfileValidator;
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import org.opensaml.security.SecurityException;
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import org.opensaml.security.credential.BasicCredential;
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import org.opensaml.security.credential.Credential;
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import org.opensaml.security.credential.CredentialResolver;
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import org.opensaml.security.credential.CredentialSupport;
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import org.opensaml.security.credential.UsageType;
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import org.opensaml.security.credential.criteria.impl.EvaluableEntityIDCredentialCriterion;
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import org.opensaml.security.credential.criteria.impl.EvaluableUsageCredentialCriterion;
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import org.opensaml.security.credential.impl.CollectionCredentialResolver;
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import org.opensaml.security.criteria.UsageCriterion;
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import org.opensaml.security.x509.BasicX509Credential;
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import org.opensaml.xmlsec.SignatureSigningParameters;
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import org.opensaml.xmlsec.SignatureSigningParametersResolver;
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import org.opensaml.xmlsec.config.impl.DefaultSecurityConfigurationBootstrap;
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import org.opensaml.xmlsec.criterion.SignatureSigningConfigurationCriterion;
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import org.opensaml.xmlsec.crypto.XMLSigningUtil;
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import org.opensaml.xmlsec.encryption.support.ChainingEncryptedKeyResolver;
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import org.opensaml.xmlsec.encryption.support.DecryptionException;
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import org.opensaml.xmlsec.encryption.support.EncryptedKeyResolver;
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import org.opensaml.xmlsec.encryption.support.InlineEncryptedKeyResolver;
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import org.opensaml.xmlsec.encryption.support.SimpleRetrievalMethodEncryptedKeyResolver;
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import org.opensaml.xmlsec.impl.BasicSignatureSigningConfiguration;
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import org.opensaml.xmlsec.keyinfo.KeyInfoCredentialResolver;
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import org.opensaml.xmlsec.keyinfo.KeyInfoGeneratorManager;
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import org.opensaml.xmlsec.keyinfo.NamedKeyInfoGeneratorManager;
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import org.opensaml.xmlsec.keyinfo.impl.CollectionKeyInfoCredentialResolver;
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import org.opensaml.xmlsec.keyinfo.impl.X509KeyInfoGeneratorFactory;
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import org.opensaml.xmlsec.signature.SignableXMLObject;
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import org.opensaml.xmlsec.signature.Signature;
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import org.opensaml.xmlsec.signature.support.SignatureConstants;
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import org.opensaml.xmlsec.signature.support.SignatureSupport;
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import org.opensaml.xmlsec.signature.support.SignatureTrustEngine;
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import org.opensaml.xmlsec.signature.support.impl.ExplicitKeySignatureTrustEngine;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.springframework.security.saml2.Saml2Exception;
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import org.springframework.security.saml2.core.Saml2Error;
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import org.springframework.security.saml2.core.Saml2ErrorCodes;
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import org.springframework.security.saml2.core.Saml2ParameterNames;
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import org.springframework.security.saml2.core.Saml2X509Credential;
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import org.springframework.util.Assert;
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import org.springframework.web.util.UriComponentsBuilder;
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import org.springframework.web.util.UriUtils;
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/**
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* For internal use only. Subject to breaking changes at any time.
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*/
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final class OpenSaml4Template implements OpenSamlOperations {
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private static final Log logger = LogFactory.getLog(OpenSaml4Template.class);
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@Override
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public <T extends XMLObject> T build(QName elementName) {
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XMLObjectBuilder<?> builder = XMLObjectProviderRegistrySupport.getBuilderFactory().getBuilder(elementName);
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if (builder == null) {
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throw new Saml2Exception("Unable to resolve Builder for " + elementName);
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}
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return (T) builder.buildObject(elementName);
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}
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@Override
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public <T extends XMLObject> T deserialize(String serialized) {
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return deserialize(new ByteArrayInputStream(serialized.getBytes(StandardCharsets.UTF_8)));
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}
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@Override
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public <T extends XMLObject> T deserialize(InputStream serialized) {
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try {
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Document document = XMLObjectProviderRegistrySupport.getParserPool().parse(serialized);
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Element element = document.getDocumentElement();
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UnmarshallerFactory factory = XMLObjectProviderRegistrySupport.getUnmarshallerFactory();
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Unmarshaller unmarshaller = factory.getUnmarshaller(element);
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if (unmarshaller == null) {
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throw new Saml2Exception("Unsupported element of type " + element.getTagName());
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}
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return (T) unmarshaller.unmarshall(element);
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}
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catch (Saml2Exception ex) {
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throw ex;
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}
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catch (Exception ex) {
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throw new Saml2Exception("Failed to deserialize payload", ex);
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}
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}
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@Override
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public OpenSaml4SerializationConfigurer serialize(XMLObject object) {
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Marshaller marshaller = XMLObjectProviderRegistrySupport.getMarshallerFactory().getMarshaller(object);
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try {
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return serialize(marshaller.marshall(object));
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}
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catch (MarshallingException ex) {
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throw new Saml2Exception(ex);
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}
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}
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@Override
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public OpenSaml4SerializationConfigurer serialize(Element element) {
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return new OpenSaml4SerializationConfigurer(element);
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}
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@Override
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public OpenSaml4SignatureConfigurer withSigningKeys(Collection<Saml2X509Credential> credentials) {
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return new OpenSaml4SignatureConfigurer(credentials);
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}
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@Override
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public OpenSaml4VerificationConfigurer withVerificationKeys(Collection<Saml2X509Credential> credentials) {
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return new OpenSaml4VerificationConfigurer(credentials);
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}
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@Override
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public OpenSaml4DecryptionConfigurer withDecryptionKeys(Collection<Saml2X509Credential> credentials) {
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return new OpenSaml4DecryptionConfigurer(credentials);
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}
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OpenSaml4Template() {
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}
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static final class OpenSaml4SerializationConfigurer
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implements SerializationConfigurer<OpenSaml4SerializationConfigurer> {
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private final Element element;
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boolean pretty;
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OpenSaml4SerializationConfigurer(Element element) {
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this.element = element;
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}
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@Override
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public OpenSaml4SerializationConfigurer prettyPrint(boolean pretty) {
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this.pretty = pretty;
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return this;
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}
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@Override
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public String serialize() {
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if (this.pretty) {
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return SerializeSupport.prettyPrintXML(this.element);
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}
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return SerializeSupport.nodeToString(this.element);
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}
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}
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static final class OpenSaml4SignatureConfigurer implements SignatureConfigurer<OpenSaml4SignatureConfigurer> {
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private final Collection<Saml2X509Credential> credentials;
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private final Map<String, String> components = new LinkedHashMap<>();
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private List<String> algs = List.of(SignatureConstants.ALGO_ID_SIGNATURE_RSA_SHA256);
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OpenSaml4SignatureConfigurer(Collection<Saml2X509Credential> credentials) {
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this.credentials = credentials;
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}
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@Override
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public OpenSaml4SignatureConfigurer algorithms(List<String> algs) {
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this.algs = algs;
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return this;
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}
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@Override
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public <O extends SignableXMLObject> O sign(O object) {
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SignatureSigningParameters parameters = resolveSigningParameters();
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try {
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SignatureSupport.signObject(object, parameters);
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}
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catch (Exception ex) {
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throw new Saml2Exception(ex);
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}
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return object;
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}
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@Override
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public Map<String, String> sign(Map<String, String> params) {
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SignatureSigningParameters parameters = resolveSigningParameters();
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this.components.putAll(params);
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Credential credential = parameters.getSigningCredential();
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String algorithmUri = parameters.getSignatureAlgorithm();
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this.components.put(Saml2ParameterNames.SIG_ALG, algorithmUri);
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UriComponentsBuilder builder = UriComponentsBuilder.newInstance();
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for (Map.Entry<String, String> component : this.components.entrySet()) {
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builder.queryParam(component.getKey(),
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UriUtils.encode(component.getValue(), StandardCharsets.ISO_8859_1));
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}
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String queryString = builder.build(true).toString().substring(1);
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try {
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byte[] rawSignature = XMLSigningUtil.signWithURI(credential, algorithmUri,
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queryString.getBytes(StandardCharsets.UTF_8));
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String b64Signature = Saml2Utils.samlEncode(rawSignature);
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this.components.put(Saml2ParameterNames.SIGNATURE, b64Signature);
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}
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catch (SecurityException ex) {
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throw new Saml2Exception(ex);
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}
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return this.components;
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}
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private SignatureSigningParameters resolveSigningParameters() {
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List<Credential> credentials = resolveSigningCredentials();
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List<String> digests = Collections.singletonList(SignatureConstants.ALGO_ID_DIGEST_SHA256);
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String canonicalization = SignatureConstants.ALGO_ID_C14N_EXCL_OMIT_COMMENTS;
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SignatureSigningParametersResolver resolver = new SAMLMetadataSignatureSigningParametersResolver();
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BasicSignatureSigningConfiguration signingConfiguration = new BasicSignatureSigningConfiguration();
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signingConfiguration.setSigningCredentials(credentials);
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signingConfiguration.setSignatureAlgorithms(this.algs);
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signingConfiguration.setSignatureReferenceDigestMethods(digests);
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signingConfiguration.setSignatureCanonicalizationAlgorithm(canonicalization);
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signingConfiguration.setKeyInfoGeneratorManager(buildSignatureKeyInfoGeneratorManager());
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CriteriaSet criteria = new CriteriaSet(new SignatureSigningConfigurationCriterion(signingConfiguration));
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try {
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SignatureSigningParameters parameters = resolver.resolveSingle(criteria);
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Assert.notNull(parameters, "Failed to resolve any signing credential");
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return parameters;
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}
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catch (Exception ex) {
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throw new Saml2Exception(ex);
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}
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}
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private NamedKeyInfoGeneratorManager buildSignatureKeyInfoGeneratorManager() {
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final NamedKeyInfoGeneratorManager namedManager = new NamedKeyInfoGeneratorManager();
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namedManager.setUseDefaultManager(true);
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final KeyInfoGeneratorManager defaultManager = namedManager.getDefaultManager();
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// Generator for X509Credentials
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final X509KeyInfoGeneratorFactory x509Factory = new X509KeyInfoGeneratorFactory();
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x509Factory.setEmitEntityCertificate(true);
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x509Factory.setEmitEntityCertificateChain(true);
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defaultManager.registerFactory(x509Factory);
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return namedManager;
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}
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private List<Credential> resolveSigningCredentials() {
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List<Credential> credentials = new ArrayList<>();
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for (Saml2X509Credential x509Credential : this.credentials) {
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X509Certificate certificate = x509Credential.getCertificate();
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PrivateKey privateKey = x509Credential.getPrivateKey();
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BasicCredential credential = CredentialSupport.getSimpleCredential(certificate, privateKey);
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credential.setUsageType(UsageType.SIGNING);
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credentials.add(credential);
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}
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return credentials;
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}
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}
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static final class OpenSaml4VerificationConfigurer implements VerificationConfigurer {
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private final Collection<Saml2X509Credential> credentials;
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private String entityId;
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OpenSaml4VerificationConfigurer(Collection<Saml2X509Credential> credentials) {
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this.credentials = credentials;
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}
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@Override
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public VerificationConfigurer entityId(String entityId) {
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this.entityId = entityId;
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return this;
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}
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private SignatureTrustEngine trustEngine(Collection<Saml2X509Credential> keys) {
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Set<Credential> credentials = new HashSet<>();
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for (Saml2X509Credential key : keys) {
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BasicX509Credential cred = new BasicX509Credential(key.getCertificate());
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cred.setUsageType(UsageType.SIGNING);
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cred.setEntityId(this.entityId);
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credentials.add(cred);
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}
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CredentialResolver credentialsResolver = new CollectionCredentialResolver(credentials);
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return new ExplicitKeySignatureTrustEngine(credentialsResolver,
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DefaultSecurityConfigurationBootstrap.buildBasicInlineKeyInfoCredentialResolver());
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}
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private CriteriaSet verificationCriteria(Issuer issuer) {
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return new CriteriaSet(new EvaluableEntityIDCredentialCriterion(new EntityIdCriterion(issuer.getValue())),
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new EvaluableProtocolRoleDescriptorCriterion(new ProtocolCriterion(SAMLConstants.SAML20P_NS)),
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new EvaluableUsageCredentialCriterion(new UsageCriterion(UsageType.SIGNING)));
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}
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@Override
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public Collection<Saml2Error> verify(SignableXMLObject signable) {
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if (signable instanceof StatusResponseType response) {
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return verifySignature(response.getID(), response.getIssuer(), response.getSignature());
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}
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if (signable instanceof RequestAbstractType request) {
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return verifySignature(request.getID(), request.getIssuer(), request.getSignature());
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}
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if (signable instanceof Assertion assertion) {
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return verifySignature(assertion.getID(), assertion.getIssuer(), assertion.getSignature());
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}
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throw new Saml2Exception("Unsupported object of type: " + signable.getClass().getName());
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}
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private Collection<Saml2Error> verifySignature(String id, Issuer issuer, Signature signature) {
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SignatureTrustEngine trustEngine = trustEngine(this.credentials);
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CriteriaSet criteria = verificationCriteria(issuer);
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Collection<Saml2Error> errors = new ArrayList<>();
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SAMLSignatureProfileValidator profileValidator = new SAMLSignatureProfileValidator();
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try {
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profileValidator.validate(signature);
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}
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catch (Exception ex) {
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errors.add(new Saml2Error(Saml2ErrorCodes.INVALID_SIGNATURE,
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"Invalid signature for object [" + id + "]: "));
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}
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try {
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if (!trustEngine.validate(signature, criteria)) {
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errors.add(new Saml2Error(Saml2ErrorCodes.INVALID_SIGNATURE,
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"Invalid signature for object [" + id + "]"));
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}
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}
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catch (Exception ex) {
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errors.add(new Saml2Error(Saml2ErrorCodes.INVALID_SIGNATURE,
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"Invalid signature for object [" + id + "]: "));
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}
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return errors;
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}
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@Override
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public Collection<Saml2Error> verify(RedirectParameters parameters) {
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SignatureTrustEngine trustEngine = trustEngine(this.credentials);
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CriteriaSet criteria = verificationCriteria(parameters.getIssuer());
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if (parameters.getAlgorithm() == null) {
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return Collections.singletonList(new Saml2Error(Saml2ErrorCodes.INVALID_SIGNATURE,
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"Missing signature algorithm for object [" + parameters.getId() + "]"));
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}
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if (!parameters.hasSignature()) {
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return Collections.singletonList(new Saml2Error(Saml2ErrorCodes.INVALID_SIGNATURE,
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"Missing signature for object [" + parameters.getId() + "]"));
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}
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Collection<Saml2Error> errors = new ArrayList<>();
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String algorithmUri = parameters.getAlgorithm();
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try {
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if (!trustEngine.validate(parameters.getSignature(), parameters.getContent(), algorithmUri, criteria,
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null)) {
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errors.add(new Saml2Error(Saml2ErrorCodes.INVALID_SIGNATURE,
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"Invalid signature for object [" + parameters.getId() + "]"));
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}
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}
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catch (Exception ex) {
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errors.add(new Saml2Error(Saml2ErrorCodes.INVALID_SIGNATURE,
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"Invalid signature for object [" + parameters.getId() + "]: "));
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}
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return errors;
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}
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}
|
||||
|
||||
static final class OpenSaml4DecryptionConfigurer implements DecryptionConfigurer {
|
||||
|
||||
private static final EncryptedKeyResolver encryptedKeyResolver = new ChainingEncryptedKeyResolver(
|
||||
Arrays.asList(new InlineEncryptedKeyResolver(), new EncryptedElementTypeEncryptedKeyResolver(),
|
||||
new SimpleRetrievalMethodEncryptedKeyResolver()));
|
||||
|
||||
private final Decrypter decrypter;
|
||||
|
||||
OpenSaml4DecryptionConfigurer(Collection<Saml2X509Credential> decryptionCredentials) {
|
||||
this.decrypter = decrypter(decryptionCredentials);
|
||||
}
|
||||
|
||||
private static Decrypter decrypter(Collection<Saml2X509Credential> decryptionCredentials) {
|
||||
Collection<Credential> credentials = new ArrayList<>();
|
||||
for (Saml2X509Credential key : decryptionCredentials) {
|
||||
Credential cred = CredentialSupport.getSimpleCredential(key.getCertificate(), key.getPrivateKey());
|
||||
credentials.add(cred);
|
||||
}
|
||||
KeyInfoCredentialResolver resolver = new CollectionKeyInfoCredentialResolver(credentials);
|
||||
Decrypter decrypter = new Decrypter(null, resolver, encryptedKeyResolver);
|
||||
decrypter.setRootInNewDocument(true);
|
||||
return decrypter;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void decrypt(XMLObject object) {
|
||||
if (object instanceof Response response) {
|
||||
decryptResponse(response);
|
||||
return;
|
||||
}
|
||||
if (object instanceof Assertion assertion) {
|
||||
decryptAssertion(assertion);
|
||||
}
|
||||
if (object instanceof LogoutRequest request) {
|
||||
decryptLogoutRequest(request);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* The methods that follow are adapted from OpenSAML's {@link DecryptAssertions},
|
||||
* {@link DecryptNameIDs}, and {@link DecryptAttributes}.
|
||||
*
|
||||
* <p>The reason that these OpenSAML classes are not used directly is because they
|
||||
* reference {@link javax.servlet.http.HttpServletRequest} which is a lower
|
||||
* Servlet API version than what Spring Security SAML uses.
|
||||
*
|
||||
* If OpenSAML 5 updates to {@link jakarta.servlet.http.HttpServletRequest}, then
|
||||
* this arrangement can be revisited.
|
||||
*/
|
||||
|
||||
private void decryptResponse(Response response) {
|
||||
Collection<Assertion> decrypteds = new ArrayList<>();
|
||||
Collection<EncryptedAssertion> encrypteds = new ArrayList<>();
|
||||
|
||||
int count = 0;
|
||||
int size = response.getEncryptedAssertions().size();
|
||||
for (EncryptedAssertion encrypted : response.getEncryptedAssertions()) {
|
||||
logger.trace(String.format("Decrypting EncryptedAssertion (%d/%d) in Response [%s]", count, size,
|
||||
response.getID()));
|
||||
try {
|
||||
Assertion decrypted = this.decrypter.decrypt(encrypted);
|
||||
if (decrypted != null) {
|
||||
encrypteds.add(encrypted);
|
||||
decrypteds.add(decrypted);
|
||||
}
|
||||
count++;
|
||||
}
|
||||
catch (DecryptionException ex) {
|
||||
throw new Saml2Exception(ex);
|
||||
}
|
||||
}
|
||||
|
||||
response.getEncryptedAssertions().removeAll(encrypteds);
|
||||
response.getAssertions().addAll(decrypteds);
|
||||
|
||||
// Re-marshall the response so that any ID attributes within the decrypted
|
||||
// Assertions
|
||||
// will have their ID-ness re-established at the DOM level.
|
||||
if (!decrypteds.isEmpty()) {
|
||||
try {
|
||||
XMLObjectSupport.marshall(response);
|
||||
}
|
||||
catch (final MarshallingException ex) {
|
||||
throw new Saml2Exception(ex);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void decryptAssertion(Assertion assertion) {
|
||||
for (AttributeStatement statement : assertion.getAttributeStatements()) {
|
||||
decryptAttributes(statement);
|
||||
}
|
||||
decryptSubject(assertion.getSubject());
|
||||
if (assertion.getConditions() != null) {
|
||||
for (Condition c : assertion.getConditions().getConditions()) {
|
||||
if (!(c instanceof DelegationRestrictionType delegation)) {
|
||||
continue;
|
||||
}
|
||||
for (Delegate d : delegation.getDelegates()) {
|
||||
if (d.getEncryptedID() != null) {
|
||||
try {
|
||||
NameID decrypted = (NameID) this.decrypter.decrypt(d.getEncryptedID());
|
||||
if (decrypted != null) {
|
||||
d.setNameID(decrypted);
|
||||
d.setEncryptedID(null);
|
||||
}
|
||||
}
|
||||
catch (DecryptionException ex) {
|
||||
throw new Saml2Exception(ex);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void decryptAttributes(AttributeStatement statement) {
|
||||
Collection<Attribute> decrypteds = new ArrayList<>();
|
||||
Collection<EncryptedAttribute> encrypteds = new ArrayList<>();
|
||||
for (EncryptedAttribute encrypted : statement.getEncryptedAttributes()) {
|
||||
try {
|
||||
Attribute decrypted = this.decrypter.decrypt(encrypted);
|
||||
if (decrypted != null) {
|
||||
encrypteds.add(encrypted);
|
||||
decrypteds.add(decrypted);
|
||||
}
|
||||
}
|
||||
catch (Exception ex) {
|
||||
throw new Saml2Exception(ex);
|
||||
}
|
||||
}
|
||||
statement.getEncryptedAttributes().removeAll(encrypteds);
|
||||
statement.getAttributes().addAll(decrypteds);
|
||||
}
|
||||
|
||||
private void decryptSubject(Subject subject) {
|
||||
if (subject != null) {
|
||||
if (subject.getEncryptedID() != null) {
|
||||
try {
|
||||
NameID decrypted = (NameID) this.decrypter.decrypt(subject.getEncryptedID());
|
||||
if (decrypted != null) {
|
||||
subject.setNameID(decrypted);
|
||||
subject.setEncryptedID(null);
|
||||
}
|
||||
}
|
||||
catch (final DecryptionException ex) {
|
||||
throw new Saml2Exception(ex);
|
||||
}
|
||||
}
|
||||
|
||||
for (final SubjectConfirmation sc : subject.getSubjectConfirmations()) {
|
||||
if (sc.getEncryptedID() != null) {
|
||||
try {
|
||||
NameID decrypted = (NameID) this.decrypter.decrypt(sc.getEncryptedID());
|
||||
if (decrypted != null) {
|
||||
sc.setNameID(decrypted);
|
||||
sc.setEncryptedID(null);
|
||||
}
|
||||
}
|
||||
catch (final DecryptionException ex) {
|
||||
throw new Saml2Exception(ex);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void decryptLogoutRequest(LogoutRequest request) {
|
||||
if (request.getEncryptedID() != null) {
|
||||
try {
|
||||
NameID decrypted = (NameID) this.decrypter.decrypt(request.getEncryptedID());
|
||||
if (decrypted != null) {
|
||||
request.setNameID(decrypted);
|
||||
request.setEncryptedID(null);
|
||||
}
|
||||
}
|
||||
catch (DecryptionException ex) {
|
||||
throw new Saml2Exception(ex);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,184 @@
|
|||
/*
|
||||
* Copyright 2002-2024 the original author or authors.
|
||||
*
|
||||
* 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
|
||||
*
|
||||
* https://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.springframework.security.saml2.internal;
|
||||
|
||||
import java.io.InputStream;
|
||||
import java.nio.charset.StandardCharsets;
|
||||
import java.util.Collection;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Objects;
|
||||
|
||||
import javax.xml.namespace.QName;
|
||||
|
||||
import org.opensaml.core.xml.XMLObject;
|
||||
import org.opensaml.saml.saml2.core.Issuer;
|
||||
import org.opensaml.saml.saml2.core.RequestAbstractType;
|
||||
import org.opensaml.saml.saml2.core.StatusResponseType;
|
||||
import org.opensaml.xmlsec.signature.SignableXMLObject;
|
||||
import org.w3c.dom.Element;
|
||||
|
||||
import org.springframework.security.saml2.core.Saml2Error;
|
||||
import org.springframework.security.saml2.core.Saml2ParameterNames;
|
||||
import org.springframework.security.saml2.core.Saml2X509Credential;
|
||||
import org.springframework.web.util.UriComponentsBuilder;
|
||||
|
||||
interface OpenSamlOperations {
|
||||
|
||||
<T extends XMLObject> T build(QName elementName);
|
||||
|
||||
<T extends XMLObject> T deserialize(String serialized);
|
||||
|
||||
<T extends XMLObject> T deserialize(InputStream serialized);
|
||||
|
||||
SerializationConfigurer<?> serialize(XMLObject object);
|
||||
|
||||
SerializationConfigurer<?> serialize(Element element);
|
||||
|
||||
SignatureConfigurer<?> withSigningKeys(Collection<Saml2X509Credential> credentials);
|
||||
|
||||
VerificationConfigurer withVerificationKeys(Collection<Saml2X509Credential> credentials);
|
||||
|
||||
DecryptionConfigurer withDecryptionKeys(Collection<Saml2X509Credential> credentials);
|
||||
|
||||
interface SerializationConfigurer<B extends SerializationConfigurer<B>> {
|
||||
|
||||
B prettyPrint(boolean pretty);
|
||||
|
||||
String serialize();
|
||||
|
||||
}
|
||||
|
||||
interface SignatureConfigurer<B extends SignatureConfigurer<B>> {
|
||||
|
||||
B algorithms(List<String> algs);
|
||||
|
||||
<O extends SignableXMLObject> O sign(O object);
|
||||
|
||||
Map<String, String> sign(Map<String, String> params);
|
||||
|
||||
}
|
||||
|
||||
interface VerificationConfigurer {
|
||||
|
||||
VerificationConfigurer entityId(String entityId);
|
||||
|
||||
Collection<Saml2Error> verify(SignableXMLObject signable);
|
||||
|
||||
Collection<Saml2Error> verify(VerificationConfigurer.RedirectParameters parameters);
|
||||
|
||||
final class RedirectParameters {
|
||||
|
||||
private final String id;
|
||||
|
||||
private final Issuer issuer;
|
||||
|
||||
private final String algorithm;
|
||||
|
||||
private final byte[] signature;
|
||||
|
||||
private final byte[] content;
|
||||
|
||||
RedirectParameters(Map<String, String> parameters, String parametersQuery, RequestAbstractType request) {
|
||||
this.id = request.getID();
|
||||
this.issuer = request.getIssuer();
|
||||
this.algorithm = parameters.get(Saml2ParameterNames.SIG_ALG);
|
||||
if (parameters.get(Saml2ParameterNames.SIGNATURE) != null) {
|
||||
this.signature = Saml2Utils.samlDecode(parameters.get(Saml2ParameterNames.SIGNATURE));
|
||||
}
|
||||
else {
|
||||
this.signature = null;
|
||||
}
|
||||
Map<String, String> queryParams = UriComponentsBuilder.newInstance()
|
||||
.query(parametersQuery)
|
||||
.build(true)
|
||||
.getQueryParams()
|
||||
.toSingleValueMap();
|
||||
String relayState = parameters.get(Saml2ParameterNames.RELAY_STATE);
|
||||
this.content = getContent(Saml2ParameterNames.SAML_REQUEST, relayState, queryParams);
|
||||
}
|
||||
|
||||
RedirectParameters(Map<String, String> parameters, String parametersQuery, StatusResponseType response) {
|
||||
this.id = response.getID();
|
||||
this.issuer = response.getIssuer();
|
||||
this.algorithm = parameters.get(Saml2ParameterNames.SIG_ALG);
|
||||
if (parameters.get(Saml2ParameterNames.SIGNATURE) != null) {
|
||||
this.signature = Saml2Utils.samlDecode(parameters.get(Saml2ParameterNames.SIGNATURE));
|
||||
}
|
||||
else {
|
||||
this.signature = null;
|
||||
}
|
||||
Map<String, String> queryParams = UriComponentsBuilder.newInstance()
|
||||
.query(parametersQuery)
|
||||
.build(true)
|
||||
.getQueryParams()
|
||||
.toSingleValueMap();
|
||||
String relayState = parameters.get(Saml2ParameterNames.RELAY_STATE);
|
||||
this.content = getContent(Saml2ParameterNames.SAML_RESPONSE, relayState, queryParams);
|
||||
}
|
||||
|
||||
static byte[] getContent(String samlObject, String relayState, final Map<String, String> queryParams) {
|
||||
if (Objects.nonNull(relayState)) {
|
||||
return String
|
||||
.format("%s=%s&%s=%s&%s=%s", samlObject, queryParams.get(samlObject),
|
||||
Saml2ParameterNames.RELAY_STATE, queryParams.get(Saml2ParameterNames.RELAY_STATE),
|
||||
Saml2ParameterNames.SIG_ALG, queryParams.get(Saml2ParameterNames.SIG_ALG))
|
||||
.getBytes(StandardCharsets.UTF_8);
|
||||
}
|
||||
else {
|
||||
return String
|
||||
.format("%s=%s&%s=%s", samlObject, queryParams.get(samlObject), Saml2ParameterNames.SIG_ALG,
|
||||
queryParams.get(Saml2ParameterNames.SIG_ALG))
|
||||
.getBytes(StandardCharsets.UTF_8);
|
||||
}
|
||||
}
|
||||
|
||||
String getId() {
|
||||
return this.id;
|
||||
}
|
||||
|
||||
Issuer getIssuer() {
|
||||
return this.issuer;
|
||||
}
|
||||
|
||||
byte[] getContent() {
|
||||
return this.content;
|
||||
}
|
||||
|
||||
String getAlgorithm() {
|
||||
return this.algorithm;
|
||||
}
|
||||
|
||||
byte[] getSignature() {
|
||||
return this.signature;
|
||||
}
|
||||
|
||||
boolean hasSignature() {
|
||||
return this.signature != null;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
interface DecryptionConfigurer {
|
||||
|
||||
void decrypt(XMLObject object);
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,196 @@
|
|||
/*
|
||||
* Copyright 2002-2024 the original author or authors.
|
||||
*
|
||||
* 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
|
||||
*
|
||||
* https://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.springframework.security.saml2.internal;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.nio.charset.StandardCharsets;
|
||||
import java.util.Arrays;
|
||||
import java.util.Base64;
|
||||
import java.util.zip.Deflater;
|
||||
import java.util.zip.DeflaterOutputStream;
|
||||
import java.util.zip.Inflater;
|
||||
import java.util.zip.InflaterOutputStream;
|
||||
|
||||
import org.springframework.security.saml2.Saml2Exception;
|
||||
|
||||
/**
|
||||
* Utility methods for working with serialized SAML messages.
|
||||
*
|
||||
* For internal use only.
|
||||
*
|
||||
* @author Josh Cummings
|
||||
*/
|
||||
final class Saml2Utils {
|
||||
|
||||
private Saml2Utils() {
|
||||
}
|
||||
|
||||
static String samlEncode(byte[] b) {
|
||||
return Base64.getEncoder().encodeToString(b);
|
||||
}
|
||||
|
||||
static byte[] samlDecode(String s) {
|
||||
return Base64.getMimeDecoder().decode(s);
|
||||
}
|
||||
|
||||
static byte[] samlDeflate(String s) {
|
||||
try {
|
||||
ByteArrayOutputStream b = new ByteArrayOutputStream();
|
||||
DeflaterOutputStream deflater = new DeflaterOutputStream(b, new Deflater(Deflater.DEFLATED, true));
|
||||
deflater.write(s.getBytes(StandardCharsets.UTF_8));
|
||||
deflater.finish();
|
||||
return b.toByteArray();
|
||||
}
|
||||
catch (IOException ex) {
|
||||
throw new Saml2Exception("Unable to deflate string", ex);
|
||||
}
|
||||
}
|
||||
|
||||
static String samlInflate(byte[] b) {
|
||||
try {
|
||||
ByteArrayOutputStream out = new ByteArrayOutputStream();
|
||||
InflaterOutputStream iout = new InflaterOutputStream(out, new Inflater(true));
|
||||
iout.write(b);
|
||||
iout.finish();
|
||||
return new String(out.toByteArray(), StandardCharsets.UTF_8);
|
||||
}
|
||||
catch (IOException ex) {
|
||||
throw new Saml2Exception("Unable to inflate string", ex);
|
||||
}
|
||||
}
|
||||
|
||||
static EncodingConfigurer withDecoded(String decoded) {
|
||||
return new EncodingConfigurer(decoded);
|
||||
}
|
||||
|
||||
static DecodingConfigurer withEncoded(String encoded) {
|
||||
return new DecodingConfigurer(encoded);
|
||||
}
|
||||
|
||||
static final class EncodingConfigurer {
|
||||
|
||||
private final String decoded;
|
||||
|
||||
private boolean deflate;
|
||||
|
||||
private EncodingConfigurer(String decoded) {
|
||||
this.decoded = decoded;
|
||||
}
|
||||
|
||||
EncodingConfigurer deflate(boolean deflate) {
|
||||
this.deflate = deflate;
|
||||
return this;
|
||||
}
|
||||
|
||||
String encode() {
|
||||
byte[] bytes = (this.deflate) ? Saml2Utils.samlDeflate(this.decoded)
|
||||
: this.decoded.getBytes(StandardCharsets.UTF_8);
|
||||
return Saml2Utils.samlEncode(bytes);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
static final class DecodingConfigurer {
|
||||
|
||||
private static final Base64Checker BASE_64_CHECKER = new Base64Checker();
|
||||
|
||||
private final String encoded;
|
||||
|
||||
private boolean inflate;
|
||||
|
||||
private boolean requireBase64;
|
||||
|
||||
private DecodingConfigurer(String encoded) {
|
||||
this.encoded = encoded;
|
||||
}
|
||||
|
||||
DecodingConfigurer inflate(boolean inflate) {
|
||||
this.inflate = inflate;
|
||||
return this;
|
||||
}
|
||||
|
||||
DecodingConfigurer requireBase64(boolean requireBase64) {
|
||||
this.requireBase64 = requireBase64;
|
||||
return this;
|
||||
}
|
||||
|
||||
String decode() {
|
||||
if (this.requireBase64) {
|
||||
BASE_64_CHECKER.checkAcceptable(this.encoded);
|
||||
}
|
||||
byte[] bytes = Saml2Utils.samlDecode(this.encoded);
|
||||
return (this.inflate) ? Saml2Utils.samlInflate(bytes) : new String(bytes, StandardCharsets.UTF_8);
|
||||
}
|
||||
|
||||
static class Base64Checker {
|
||||
|
||||
private static final int[] values = genValueMapping();
|
||||
|
||||
Base64Checker() {
|
||||
|
||||
}
|
||||
|
||||
private static int[] genValueMapping() {
|
||||
byte[] alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
|
||||
.getBytes(StandardCharsets.ISO_8859_1);
|
||||
|
||||
int[] values = new int[256];
|
||||
Arrays.fill(values, -1);
|
||||
for (int i = 0; i < alphabet.length; i++) {
|
||||
values[alphabet[i] & 0xff] = i;
|
||||
}
|
||||
return values;
|
||||
}
|
||||
|
||||
boolean isAcceptable(String s) {
|
||||
int goodChars = 0;
|
||||
int lastGoodCharVal = -1;
|
||||
|
||||
// count number of characters from Base64 alphabet
|
||||
for (int i = 0; i < s.length(); i++) {
|
||||
int val = values[0xff & s.charAt(i)];
|
||||
if (val != -1) {
|
||||
lastGoodCharVal = val;
|
||||
goodChars++;
|
||||
}
|
||||
}
|
||||
|
||||
// in cases of an incomplete final chunk, ensure the unused bits are zero
|
||||
switch (goodChars % 4) {
|
||||
case 0:
|
||||
return true;
|
||||
case 2:
|
||||
return (lastGoodCharVal & 0b1111) == 0;
|
||||
case 3:
|
||||
return (lastGoodCharVal & 0b11) == 0;
|
||||
default:
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
void checkAcceptable(String ins) {
|
||||
if (!isAcceptable(ins)) {
|
||||
throw new IllegalArgumentException("Failed to decode SAMLResponse");
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,184 @@
|
|||
/*
|
||||
* Copyright 2002-2024 the original author or authors.
|
||||
*
|
||||
* 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
|
||||
*
|
||||
* https://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.springframework.security.saml2.provider.service.authentication.logout;
|
||||
|
||||
import java.io.InputStream;
|
||||
import java.nio.charset.StandardCharsets;
|
||||
import java.util.Collection;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Objects;
|
||||
|
||||
import javax.xml.namespace.QName;
|
||||
|
||||
import org.opensaml.core.xml.XMLObject;
|
||||
import org.opensaml.saml.saml2.core.Issuer;
|
||||
import org.opensaml.saml.saml2.core.RequestAbstractType;
|
||||
import org.opensaml.saml.saml2.core.StatusResponseType;
|
||||
import org.opensaml.xmlsec.signature.SignableXMLObject;
|
||||
import org.w3c.dom.Element;
|
||||
|
||||
import org.springframework.security.saml2.core.Saml2Error;
|
||||
import org.springframework.security.saml2.core.Saml2ParameterNames;
|
||||
import org.springframework.security.saml2.core.Saml2X509Credential;
|
||||
import org.springframework.web.util.UriComponentsBuilder;
|
||||
|
||||
interface OpenSamlOperations {
|
||||
|
||||
<T extends XMLObject> T build(QName elementName);
|
||||
|
||||
<T extends XMLObject> T deserialize(String serialized);
|
||||
|
||||
<T extends XMLObject> T deserialize(InputStream serialized);
|
||||
|
||||
SerializationConfigurer<?> serialize(XMLObject object);
|
||||
|
||||
SerializationConfigurer<?> serialize(Element element);
|
||||
|
||||
SignatureConfigurer<?> withSigningKeys(Collection<Saml2X509Credential> credentials);
|
||||
|
||||
VerificationConfigurer withVerificationKeys(Collection<Saml2X509Credential> credentials);
|
||||
|
||||
DecryptionConfigurer withDecryptionKeys(Collection<Saml2X509Credential> credentials);
|
||||
|
||||
interface SerializationConfigurer<B extends SerializationConfigurer<B>> {
|
||||
|
||||
B prettyPrint(boolean pretty);
|
||||
|
||||
String serialize();
|
||||
|
||||
}
|
||||
|
||||
interface SignatureConfigurer<B extends SignatureConfigurer<B>> {
|
||||
|
||||
B algorithms(List<String> algs);
|
||||
|
||||
<O extends SignableXMLObject> O sign(O object);
|
||||
|
||||
Map<String, String> sign(Map<String, String> params);
|
||||
|
||||
}
|
||||
|
||||
interface VerificationConfigurer {
|
||||
|
||||
VerificationConfigurer entityId(String entityId);
|
||||
|
||||
Collection<Saml2Error> verify(SignableXMLObject signable);
|
||||
|
||||
Collection<Saml2Error> verify(RedirectParameters parameters);
|
||||
|
||||
final class RedirectParameters {
|
||||
|
||||
private final String id;
|
||||
|
||||
private final Issuer issuer;
|
||||
|
||||
private final String algorithm;
|
||||
|
||||
private final byte[] signature;
|
||||
|
||||
private final byte[] content;
|
||||
|
||||
RedirectParameters(Map<String, String> parameters, String parametersQuery, RequestAbstractType request) {
|
||||
this.id = request.getID();
|
||||
this.issuer = request.getIssuer();
|
||||
this.algorithm = parameters.get(Saml2ParameterNames.SIG_ALG);
|
||||
if (parameters.get(Saml2ParameterNames.SIGNATURE) != null) {
|
||||
this.signature = org.springframework.security.saml2.internal.Saml2Utils.samlDecode(parameters.get(Saml2ParameterNames.SIGNATURE));
|
||||
}
|
||||
else {
|
||||
this.signature = null;
|
||||
}
|
||||
Map<String, String> queryParams = UriComponentsBuilder.newInstance()
|
||||
.query(parametersQuery)
|
||||
.build(true)
|
||||
.getQueryParams()
|
||||
.toSingleValueMap();
|
||||
String relayState = parameters.get(Saml2ParameterNames.RELAY_STATE);
|
||||
this.content = getContent(Saml2ParameterNames.SAML_REQUEST, relayState, queryParams);
|
||||
}
|
||||
|
||||
RedirectParameters(Map<String, String> parameters, String parametersQuery, StatusResponseType response) {
|
||||
this.id = response.getID();
|
||||
this.issuer = response.getIssuer();
|
||||
this.algorithm = parameters.get(Saml2ParameterNames.SIG_ALG);
|
||||
if (parameters.get(Saml2ParameterNames.SIGNATURE) != null) {
|
||||
this.signature = org.springframework.security.saml2.internal.Saml2Utils.samlDecode(parameters.get(Saml2ParameterNames.SIGNATURE));
|
||||
}
|
||||
else {
|
||||
this.signature = null;
|
||||
}
|
||||
Map<String, String> queryParams = UriComponentsBuilder.newInstance()
|
||||
.query(parametersQuery)
|
||||
.build(true)
|
||||
.getQueryParams()
|
||||
.toSingleValueMap();
|
||||
String relayState = parameters.get(Saml2ParameterNames.RELAY_STATE);
|
||||
this.content = getContent(Saml2ParameterNames.SAML_RESPONSE, relayState, queryParams);
|
||||
}
|
||||
|
||||
static byte[] getContent(String samlObject, String relayState, final Map<String, String> queryParams) {
|
||||
if (Objects.nonNull(relayState)) {
|
||||
return String
|
||||
.format("%s=%s&%s=%s&%s=%s", samlObject, queryParams.get(samlObject),
|
||||
Saml2ParameterNames.RELAY_STATE, queryParams.get(Saml2ParameterNames.RELAY_STATE),
|
||||
Saml2ParameterNames.SIG_ALG, queryParams.get(Saml2ParameterNames.SIG_ALG))
|
||||
.getBytes(StandardCharsets.UTF_8);
|
||||
}
|
||||
else {
|
||||
return String
|
||||
.format("%s=%s&%s=%s", samlObject, queryParams.get(samlObject), Saml2ParameterNames.SIG_ALG,
|
||||
queryParams.get(Saml2ParameterNames.SIG_ALG))
|
||||
.getBytes(StandardCharsets.UTF_8);
|
||||
}
|
||||
}
|
||||
|
||||
String getId() {
|
||||
return this.id;
|
||||
}
|
||||
|
||||
Issuer getIssuer() {
|
||||
return this.issuer;
|
||||
}
|
||||
|
||||
byte[] getContent() {
|
||||
return this.content;
|
||||
}
|
||||
|
||||
String getAlgorithm() {
|
||||
return this.algorithm;
|
||||
}
|
||||
|
||||
byte[] getSignature() {
|
||||
return this.signature;
|
||||
}
|
||||
|
||||
boolean hasSignature() {
|
||||
return this.signature != null;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
interface DecryptionConfigurer {
|
||||
|
||||
void decrypt(XMLObject object);
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue