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authorThomas Lenz <tlenz@iaik.tugraz.at>2014-01-21 13:00:34 +0100
committerThomas Lenz <tlenz@iaik.tugraz.at>2014-01-21 13:00:34 +0100
commit51c45b375485399d36e33f1ab4cf76e9273222e3 (patch)
treeeef62835cd91d99cb3a942d66c89dc8d4c822329
parentf51f447ed199dc1c3f5dc750d169462d42b2b6ad (diff)
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implement SAML2 assertion encryption
-rw-r--r--id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/auth/pvp2/Authenticate.java2
-rw-r--r--id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/auth/pvp2/BuildMetadata.java29
-rw-r--r--id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/config/ConfigurationProvider.java8
-rw-r--r--id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/struts/action/IndexAction.java53
-rw-r--r--id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/binding/PostBinding.java2
-rw-r--r--id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/builder/assertion/PVP2AssertionBuilder.java2
-rw-r--r--id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/exceptions/InvalidAssertionEncryptionException.java14
-rw-r--r--id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/requestHandler/AuthnRequestHandler.java94
-rw-r--r--id/server/idserverlib/src/main/resources/resources/properties/id_messages_de.properties3
9 files changed, 192 insertions, 15 deletions
diff --git a/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/auth/pvp2/Authenticate.java b/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/auth/pvp2/Authenticate.java
index 8684b8cc1..7e00b8084 100644
--- a/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/auth/pvp2/Authenticate.java
+++ b/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/auth/pvp2/Authenticate.java
@@ -150,7 +150,7 @@ public class Authenticate extends HttpServlet {
redirectEndpoint = sss;
}
}
-
+
authReq.setDestination(redirectEndpoint.getLocation());
RequestedAuthnContext reqAuthContext =
diff --git a/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/auth/pvp2/BuildMetadata.java b/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/auth/pvp2/BuildMetadata.java
index fa02443dc..cdb28922c 100644
--- a/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/auth/pvp2/BuildMetadata.java
+++ b/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/auth/pvp2/BuildMetadata.java
@@ -142,21 +142,38 @@ public class BuildMetadata extends HttpServlet {
entitiesSignKeyDescriptor.setUse(UsageType.SIGNING);
entitiesSignKeyDescriptor.setKeyInfo(keyInfoGenerator.generate(signingcredential));
Signature entitiesSignature = getSignature(signingcredential);
-
+ spEntitiesDescriptor.setSignature(entitiesSignature);
+
+ //Set AuthRequest Signing certificate
X509Credential authcredential = new KeyStoreX509CredentialAdapter(
keyStore,
config.getPVP2KeystoreAuthRequestKeyAlias(),
- config.getPVP2KeystoreAuthRequestKeyPassword().toCharArray());
-
-
- //Set AuthRequest Signing certificate
+ config.getPVP2KeystoreAuthRequestKeyPassword().toCharArray());
KeyDescriptor signKeyDescriptor = SAML2Utils
.createSAMLObject(KeyDescriptor.class);
signKeyDescriptor.setUse(UsageType.SIGNING);
signKeyDescriptor.setKeyInfo(keyInfoGenerator.generate(authcredential));
- spEntitiesDescriptor.setSignature(entitiesSignature);
spSSODescriptor.getKeyDescriptors().add(signKeyDescriptor);
+
+ //set AuthRequest encryption certificate
+ if (MiscUtil.isNotEmpty(config.getPVP2KeystoreAuthRequestEncryptionKeyAlias())) {
+ X509Credential authEncCredential = new KeyStoreX509CredentialAdapter(
+ keyStore,
+ config.getPVP2KeystoreAuthRequestEncryptionKeyAlias(),
+ config.getPVP2KeystoreAuthRequestEncryptionKeyPassword().toCharArray());
+ KeyDescriptor encryKeyDescriptor = SAML2Utils
+ .createSAMLObject(KeyDescriptor.class);
+ encryKeyDescriptor.setUse(UsageType.ENCRYPTION);
+ encryKeyDescriptor.setKeyInfo(keyInfoGenerator.generate(authEncCredential));
+ spSSODescriptor.getKeyDescriptors().add(encryKeyDescriptor);
+
+ } else {
+ log.warn("No Assertion Encryption-Key defined. This setting is not recommended!");
+
+ }
+
+
NameIDFormat persistentnameIDFormat = SAML2Utils.createSAMLObject(NameIDFormat.class);
persistentnameIDFormat.setFormat(NameIDType.PERSISTENT);
diff --git a/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/config/ConfigurationProvider.java b/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/config/ConfigurationProvider.java
index fb468967c..6b30c0cfa 100644
--- a/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/config/ConfigurationProvider.java
+++ b/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/config/ConfigurationProvider.java
@@ -258,6 +258,14 @@ public class ConfigurationProvider {
return props.getProperty("general.login.pvp2.keystore.authrequest.key.password");
}
+ public String getPVP2KeystoreAuthRequestEncryptionKeyAlias() {
+ return props.getProperty("general.login.pvp2.keystore.authrequest.encryption.key.alias");
+ }
+
+ public String getPVP2KeystoreAuthRequestEncryptionKeyPassword() {
+ return props.getProperty("general.login.pvp2.keystore.authrequest.encryption.key.password");
+ }
+
public String getPVP2IDPMetadataURL() {
return props.getProperty("general.login.pvp2.idp.metadata.url");
}
diff --git a/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/struts/action/IndexAction.java b/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/struts/action/IndexAction.java
index c82746dbc..b5896aecf 100644
--- a/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/struts/action/IndexAction.java
+++ b/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/struts/action/IndexAction.java
@@ -1,5 +1,6 @@
package at.gv.egovernment.moa.id.configuration.struts.action;
+import java.security.KeyStore;
import java.util.ArrayList;
import java.util.Date;
import java.util.Enumeration;
@@ -23,18 +24,24 @@ import org.opensaml.saml2.binding.decoding.HTTPPostDecoder;
import org.opensaml.saml2.core.Attribute;
import org.opensaml.saml2.core.AttributeStatement;
import org.opensaml.saml2.core.Conditions;
+import org.opensaml.saml2.core.EncryptedAssertion;
import org.opensaml.saml2.core.NameID;
import org.opensaml.saml2.core.Response;
import org.opensaml.saml2.core.StatusCode;
import org.opensaml.saml2.core.Subject;
import org.opensaml.saml2.core.SubjectConfirmation;
import org.opensaml.saml2.core.SubjectConfirmationData;
+import org.opensaml.saml2.encryption.Decrypter;
+import org.opensaml.saml2.encryption.EncryptedElementTypeEncryptedKeyResolver;
import org.opensaml.saml2.metadata.IDPSSODescriptor;
import org.opensaml.security.MetadataCredentialResolver;
import org.opensaml.security.MetadataCredentialResolverFactory;
import org.opensaml.security.MetadataCriteria;
import org.opensaml.security.SAMLSignatureProfileValidator;
import org.opensaml.ws.transport.http.HttpServletRequestAdapter;
+import org.opensaml.xml.encryption.ChainingEncryptedKeyResolver;
+import org.opensaml.xml.encryption.InlineEncryptedKeyResolver;
+import org.opensaml.xml.encryption.SimpleRetrievalMethodEncryptedKeyResolver;
import org.opensaml.xml.parse.BasicParserPool;
import org.opensaml.xml.security.CriteriaSet;
import org.opensaml.xml.security.credential.UsageType;
@@ -43,9 +50,12 @@ import org.opensaml.xml.security.criteria.UsageCriteria;
import org.opensaml.xml.security.keyinfo.BasicProviderKeyInfoCredentialResolver;
import org.opensaml.xml.security.keyinfo.KeyInfoCredentialResolver;
import org.opensaml.xml.security.keyinfo.KeyInfoProvider;
+import org.opensaml.xml.security.keyinfo.StaticKeyInfoCredentialResolver;
import org.opensaml.xml.security.keyinfo.provider.DSAKeyValueProvider;
import org.opensaml.xml.security.keyinfo.provider.InlineX509DataProvider;
import org.opensaml.xml.security.keyinfo.provider.RSAKeyValueProvider;
+import org.opensaml.xml.security.x509.KeyStoreX509CredentialAdapter;
+import org.opensaml.xml.security.x509.X509Credential;
import org.opensaml.xml.signature.Signature;
import org.opensaml.xml.signature.impl.ExplicitKeySignatureTrustEngine;
@@ -261,8 +271,47 @@ public class IndexAction extends ActionSupport implements ServletRequestAware,
if (samlResponse.getStatus().getStatusCode().getValue().equals(StatusCode.SUCCESS_URI)) {
- List<org.opensaml.saml2.core.Assertion> saml2assertions = samlResponse.getAssertions();
-
+ List<org.opensaml.saml2.core.Assertion> saml2assertions = new ArrayList<org.opensaml.saml2.core.Assertion>();
+
+ //check encrypted Assertion
+ List<EncryptedAssertion> encryAssertionList = samlResponse.getEncryptedAssertions();
+ if (encryAssertionList != null && encryAssertionList.size() > 0) {
+ //decrypt assertions
+
+ log.debug("Found encryped assertion. Start decryption ...");
+
+ KeyStore keyStore = config.getPVP2KeyStore();
+
+ X509Credential authDecCredential = new KeyStoreX509CredentialAdapter(
+ keyStore,
+ config.getPVP2KeystoreAuthRequestEncryptionKeyAlias(),
+ config.getPVP2KeystoreAuthRequestEncryptionKeyPassword().toCharArray());
+
+
+ StaticKeyInfoCredentialResolver skicr =
+ new StaticKeyInfoCredentialResolver(authDecCredential);
+
+ ChainingEncryptedKeyResolver encryptedKeyResolver = new ChainingEncryptedKeyResolver();
+ encryptedKeyResolver.getResolverChain().add( new InlineEncryptedKeyResolver() );
+ encryptedKeyResolver.getResolverChain().add( new EncryptedElementTypeEncryptedKeyResolver() );
+ encryptedKeyResolver.getResolverChain().add( new SimpleRetrievalMethodEncryptedKeyResolver() );
+
+ Decrypter samlDecrypter =
+ new Decrypter(null, skicr, encryptedKeyResolver);
+
+ for (EncryptedAssertion encAssertion : encryAssertionList) {
+ saml2assertions.add(samlDecrypter.decrypt(encAssertion));
+
+ }
+
+ log.debug("Assertion decryption finished. ");
+
+ } else {
+ saml2assertions = samlResponse.getAssertions();
+
+ }
+
+
if (MiscUtil.isEmpty(authID)) {
log.info("NO AuthRequestID");
return Constants.STRUTS_ERROR;
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/binding/PostBinding.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/binding/PostBinding.java
index 232ad315f..2fe52d032 100644
--- a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/binding/PostBinding.java
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/binding/PostBinding.java
@@ -67,7 +67,7 @@ public class PostBinding implements IDecoder, IEncoder {
.buildObject();
service.setBinding(SAMLConstants.SAML2_POST_BINDING_URI);
service.setLocation(targetLocation);
- context.setOutboundSAMLMessageSigningCredential(credentials);
+ context.setOutboundSAMLMessageSigningCredential(credentials);
context.setPeerEntityEndpoint(service);
// context.setOutboundMessage(authReq);
context.setOutboundSAMLMessage(response);
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/builder/assertion/PVP2AssertionBuilder.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/builder/assertion/PVP2AssertionBuilder.java
index f21567245..eaa570ab1 100644
--- a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/builder/assertion/PVP2AssertionBuilder.java
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/builder/assertion/PVP2AssertionBuilder.java
@@ -144,7 +144,7 @@ public class PVP2AssertionBuilder implements PVPConstants {
SPSSODescriptor spSSODescriptor = peerEntity
.getSPSSODescriptor(SAMLConstants.SAML20P_NS);
-
+
Integer aIdx = authnRequest.getAttributeConsumingServiceIndex();
int idx = 0;
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/exceptions/InvalidAssertionEncryptionException.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/exceptions/InvalidAssertionEncryptionException.java
new file mode 100644
index 000000000..142227a59
--- /dev/null
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/exceptions/InvalidAssertionEncryptionException.java
@@ -0,0 +1,14 @@
+package at.gv.egovernment.moa.id.protocols.pvp2x.exceptions;
+
+import org.opensaml.saml2.core.StatusCode;
+
+public class InvalidAssertionEncryptionException extends PVP2Exception {
+
+ private static final long serialVersionUID = 6513388841485355549L;
+
+ public InvalidAssertionEncryptionException() {
+ super("pvp2.16", new Object[]{});
+ this.statusCodeValue = StatusCode.REQUESTER_URI;
+ }
+
+}
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/requestHandler/AuthnRequestHandler.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/requestHandler/AuthnRequestHandler.java
index fec21df9e..c3884f9d8 100644
--- a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/requestHandler/AuthnRequestHandler.java
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/requestHandler/AuthnRequestHandler.java
@@ -1,22 +1,45 @@
package at.gv.egovernment.moa.id.protocols.pvp2x.requestHandler;
+import java.util.ArrayList;
import java.util.Date;
+import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.joda.time.DateTime;
+import org.opensaml.Configuration;
import org.opensaml.common.xml.SAMLConstants;
import org.opensaml.saml2.core.Assertion;
import org.opensaml.saml2.core.AuthnRequest;
+import org.opensaml.saml2.core.EncryptedAssertion;
import org.opensaml.saml2.core.Issuer;
import org.opensaml.saml2.core.NameID;
import org.opensaml.saml2.core.Response;
+import org.opensaml.saml2.core.impl.EncryptedAssertionBuilder;
+import org.opensaml.saml2.encryption.Encrypter;
+import org.opensaml.saml2.encryption.Encrypter.KeyPlacement;
import org.opensaml.saml2.metadata.AssertionConsumerService;
import org.opensaml.saml2.metadata.EntityDescriptor;
+import org.opensaml.saml2.metadata.KeyDescriptor;
import org.opensaml.saml2.metadata.SPSSODescriptor;
+import org.opensaml.security.MetadataCredentialResolver;
+import org.opensaml.security.MetadataCriteria;
import org.opensaml.ws.message.encoder.MessageEncodingException;
+import org.opensaml.xml.encryption.EncryptionConstants;
+import org.opensaml.xml.encryption.EncryptionException;
+import org.opensaml.xml.encryption.EncryptionParameters;
+import org.opensaml.xml.encryption.KeyEncryptionParameters;
+import org.opensaml.xml.security.CriteriaSet;
import org.opensaml.xml.security.SecurityException;
+import org.opensaml.xml.security.credential.Credential;
+import org.opensaml.xml.security.credential.UsageType;
+import org.opensaml.xml.security.criteria.EntityIDCriteria;
+import org.opensaml.xml.security.criteria.UsageCriteria;
+import org.opensaml.xml.security.keyinfo.KeyInfoGeneratorFactory;
+import org.opensaml.xml.security.x509.BasicX509Credential;
+import org.opensaml.xml.security.x509.X509Credential;
+import org.opensaml.xml.signature.KeyInfo;
import at.gv.egovernment.moa.id.auth.data.AuthenticationSession;
import at.gv.egovernment.moa.id.auth.exception.MOAIDException;
@@ -30,6 +53,8 @@ import at.gv.egovernment.moa.id.protocols.pvp2x.builder.assertion.PVP2AssertionB
import at.gv.egovernment.moa.id.protocols.pvp2x.config.PVPConfiguration;
import at.gv.egovernment.moa.id.protocols.pvp2x.exceptions.BindingNotSupportedException;
import at.gv.egovernment.moa.id.protocols.pvp2x.exceptions.InvalidAssertionConsumerServiceException;
+import at.gv.egovernment.moa.id.protocols.pvp2x.exceptions.InvalidAssertionEncryptionException;
+import at.gv.egovernment.moa.id.protocols.pvp2x.metadata.MOAMetadataProvider;
import at.gv.egovernment.moa.id.protocols.pvp2x.utils.SAML2Utils;
import at.gv.egovernment.moa.logging.Logger;
@@ -49,10 +74,9 @@ public class AuthnRequestHandler implements IRequestHandler, PVPConstants {
EntityDescriptor peerEntity = obj.getEntityMetadata();
Assertion assertion = PVP2AssertionBuilder.buildAssertion(authnRequest, authSession, peerEntity);
-
+
Response authResponse = SAML2Utils.createSAMLObject(Response.class);
-
Issuer nissuer = SAML2Utils.createSAMLObject(Issuer.class);
//TODO: check!
@@ -67,7 +91,6 @@ public class AuthnRequestHandler implements IRequestHandler, PVPConstants {
//SAML2 response required IssueInstant
authResponse.setIssueInstant(new DateTime());
- authResponse.getAssertions().add(assertion);
authResponse.setStatus(SAML2Utils.getSuccessStatus());
Integer aIdx = authnRequest.getAssertionConsumerServiceIndex();
@@ -84,10 +107,75 @@ public class AuthnRequestHandler implements IRequestHandler, PVPConstants {
.getAssertionConsumerServices().get(idx);
if (consumerService == null) {
+ //TODO: maybe use default ConsumerService
+
throw new InvalidAssertionConsumerServiceException(idx);
+
}
String oaURL = consumerService.getLocation();
+ //check, if metadata includes an encryption key
+ MetadataCredentialResolver mdCredResolver =
+ new MetadataCredentialResolver(MOAMetadataProvider.getInstance());
+
+ CriteriaSet criteriaSet = new CriteriaSet();
+ criteriaSet.add( new EntityIDCriteria(obj.getSamlRequest().getIssuer().getValue()) );
+ criteriaSet.add( new MetadataCriteria(SPSSODescriptor.DEFAULT_ELEMENT_NAME, SAMLConstants.SAML20P_NS) );
+ criteriaSet.add( new UsageCriteria(UsageType.ENCRYPTION) );
+
+ X509Credential encryptionCredentials = null;
+ try {
+ encryptionCredentials = (X509Credential) mdCredResolver.resolveSingle(criteriaSet);
+
+ } catch (SecurityException e2) {
+ Logger.warn("Can not extract the Assertion Encryption-Key from metadata", e2);
+ throw new InvalidAssertionEncryptionException();
+
+ }
+
+ if (encryptionCredentials != null) {
+ //encrypt SAML2 assertion
+
+ try {
+
+ EncryptionParameters dataEncParams = new EncryptionParameters();
+ dataEncParams.setAlgorithm(EncryptionConstants.ALGO_ID_BLOCKCIPHER_AES128);
+
+ List<KeyEncryptionParameters> keyEncParamList = new ArrayList<KeyEncryptionParameters>();
+ KeyEncryptionParameters keyEncParam = new KeyEncryptionParameters();
+
+ keyEncParam.setEncryptionCredential(encryptionCredentials);
+ keyEncParam.setAlgorithm(EncryptionConstants.ALGO_ID_KEYTRANSPORT_RSAOAEP);
+ KeyInfoGeneratorFactory kigf = Configuration.getGlobalSecurityConfiguration()
+ .getKeyInfoGeneratorManager().getDefaultManager()
+ .getFactory(encryptionCredentials);
+ keyEncParam.setKeyInfoGenerator(kigf.newInstance());
+ keyEncParamList.add(keyEncParam);
+
+ Encrypter samlEncrypter = new Encrypter(dataEncParams, keyEncParamList);
+ //samlEncrypter.setKeyPlacement(KeyPlacement.INLINE);
+ samlEncrypter.setKeyPlacement(KeyPlacement.PEER);
+
+ EncryptedAssertion encryptAssertion = null;
+
+ encryptAssertion = samlEncrypter.encrypt(assertion);
+
+ authResponse.getEncryptedAssertions().add(encryptAssertion);
+
+ } catch (EncryptionException e1) {
+ Logger.warn("Can not encrypt the PVP2 assertion", e1);
+ throw new InvalidAssertionEncryptionException();
+
+ }
+
+ } else {
+ authResponse.getAssertions().add(assertion);
+
+ }
+
+
+
+
IEncoder binding = null;
if (consumerService.getBinding().equals(
diff --git a/id/server/idserverlib/src/main/resources/resources/properties/id_messages_de.properties b/id/server/idserverlib/src/main/resources/resources/properties/id_messages_de.properties
index afe14daee..7e8f679b4 100644
--- a/id/server/idserverlib/src/main/resources/resources/properties/id_messages_de.properties
+++ b/id/server/idserverlib/src/main/resources/resources/properties/id_messages_de.properties
@@ -218,4 +218,5 @@ pvp2.11=Binding {0} wird nicht unterstuetzt
pvp2.12=NameID Format {0} wird nicht unterstuetzt
pvp2.13=Interner Server Fehler
pvp2.14=SAML Anfrage verweigert
-pvp2.15=Keine Metadateninformation gefunden
+pvp2.15=Keine Metadateninformation gefunden
+pvp2.16=Fehler beim verschl\u00FCsseln der PVP2 Assertion