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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 /id/server/idserverlib/src/main/java/at/gv/egovernment/moa
parentf51f447ed199dc1c3f5dc750d169462d42b2b6ad (diff)
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implement SAML2 assertion encryption
Diffstat (limited to 'id/server/idserverlib/src/main/java/at/gv/egovernment/moa')
-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
4 files changed, 107 insertions, 5 deletions
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(