protected NameID getNameID(SAMLMessageContext context, LogoutRequest request)
throws DecryptionException {
NameID id;
if (request.getEncryptedID() != null) {
Assert.notNull(
context.getLocalDecrypter(), "Can't decrypt NameID, no decrypter is set in the context");
id = (NameID) context.getLocalDecrypter().decrypt(request.getEncryptedID());
} else {
id = request.getNameID();
}
return id;
}
public void sendLogoutRequest(SAMLMessageContext context, SAMLCredential credential)
throws SAMLException, MetadataProviderException, MessageEncodingException {
// If no user is logged in we do not initialize the protocol.
if (credential == null) {
return;
}
IDPSSODescriptor idpDescriptor = (IDPSSODescriptor) context.getPeerEntityRoleMetadata();
SPSSODescriptor spDescriptor = (SPSSODescriptor) context.getLocalEntityRoleMetadata();
String binding = SAMLUtil.getLogoutBinding(idpDescriptor, spDescriptor);
SingleLogoutService logoutServiceIDP =
SAMLUtil.getLogoutServiceForBinding(idpDescriptor, binding);
LogoutRequest logoutRequest = getLogoutRequest(context, credential, logoutServiceIDP);
context.setCommunicationProfileId(getProfileIdentifier());
context.setOutboundMessage(logoutRequest);
context.setOutboundSAMLMessage(logoutRequest);
context.setPeerEntityEndpoint(logoutServiceIDP);
boolean signMessage = context.getPeerExtendedMetadata().isRequireLogoutRequestSigned();
sendMessage(context, signMessage);
SAMLMessageStorage messageStorage = context.getMessageStorage();
if (messageStorage != null) {
messageStorage.storeMessage(logoutRequest.getID(), logoutRequest);
}
}
/**
* Returns logout request message ready to be sent to the IDP.
*
* @param context message context
* @param credential information about assertions used to log current user in
* @param bindingService service used to deliver the request
* @return logoutRequest to be sent to IDP
* @throws SAMLException error creating the message
* @throws MetadataProviderException error retrieving metadata
*/
protected LogoutRequest getLogoutRequest(
SAMLMessageContext context, SAMLCredential credential, Endpoint bindingService)
throws SAMLException, MetadataProviderException {
SAMLObjectBuilder<LogoutRequest> builder =
(SAMLObjectBuilder<LogoutRequest>)
builderFactory.getBuilder(LogoutRequest.DEFAULT_ELEMENT_NAME);
LogoutRequest request = builder.buildObject();
buildCommonAttributes(context.getLocalEntityId(), request, bindingService);
// Add session indexes
SAMLObjectBuilder<SessionIndex> sessionIndexBuilder =
(SAMLObjectBuilder<SessionIndex>)
builderFactory.getBuilder(SessionIndex.DEFAULT_ELEMENT_NAME);
for (AuthnStatement statement : credential.getAuthenticationAssertion().getAuthnStatements()) {
SessionIndex index = sessionIndexBuilder.buildObject();
index.setSessionIndex(statement.getSessionIndex());
request.getSessionIndexes().add(index);
}
if (request.getSessionIndexes().size() == 0) {
throw new SAMLException("No session indexes to logout user for were found");
}
SAMLObjectBuilder<NameID> nameIDBuilder =
(SAMLObjectBuilder<NameID>) builderFactory.getBuilder(NameID.DEFAULT_ELEMENT_NAME);
NameID nameID = nameIDBuilder.buildObject();
nameID.setFormat(credential.getNameID().getFormat());
nameID.setNameQualifier(credential.getNameID().getNameQualifier());
nameID.setSPNameQualifier(credential.getNameID().getSPNameQualifier());
nameID.setSPProvidedID(credential.getNameID().getSPProvidedID());
nameID.setValue(credential.getNameID().getValue());
request.setNameID(nameID);
return request;
}
public void processLogoutResponse(SAMLMessageContext context)
throws SAMLException, org.opensaml.xml.security.SecurityException, ValidationException {
SAMLObject message = context.getInboundSAMLMessage();
// Verify type
if (!(message instanceof LogoutResponse)) {
log.debug("Received response is not of a Response object type");
throw new SAMLException("Error validating SAML response");
}
LogoutResponse response = (LogoutResponse) message;
// Make sure request was authenticated if required, authentication is done as part of the
// binding processing
if (!context.isInboundSAMLMessageAuthenticated()
&& context.getLocalExtendedMetadata().isRequireLogoutResponseSigned()) {
log.debug(
"Logout Response object is required to be signed by the entity policy: "
+ context.getInboundSAMLMessageId());
throw new SAMLException("Logout Response object is required to be signed");
}
// Verify issue time
DateTime time = response.getIssueInstant();
if (!isDateTimeSkewValid(getResponseSkew(), time)) {
log.debug("Response issue time is either too old or with date in the future");
throw new SAMLException("Error validating SAML response");
}
// Verify response to field if present, set request if correct
// The inResponseTo field is optional, SAML 2.0 Core, 1542
SAMLMessageStorage messageStorage = context.getMessageStorage();
if (messageStorage != null && response.getInResponseTo() != null) {
XMLObject xmlObject = messageStorage.retrieveMessage(response.getInResponseTo());
if (xmlObject == null) {
log.debug(
"InResponseToField doesn't correspond to sent message", response.getInResponseTo());
throw new SAMLException("Error validating SAML response");
} else if (xmlObject instanceof LogoutRequest) {
// Expected
} else {
log.debug(
"Sent request was of different type then received response",
response.getInResponseTo());
throw new SAMLException("Error validating SAML response");
}
}
// Verify destination
if (response.getDestination() != null) {
SPSSODescriptor localDescriptor = (SPSSODescriptor) context.getLocalEntityRoleMetadata();
// Check if destination is correct on this SP
List<SingleLogoutService> services = localDescriptor.getSingleLogoutServices();
boolean found = false;
for (SingleLogoutService service : services) {
if (response.getDestination().equals(service.getLocation())
&& context.getInboundSAMLBinding().equals(service.getBinding())) {
found = true;
break;
}
}
if (!found) {
log.debug(
"Destination of the response was not the expected value", response.getDestination());
throw new SAMLException("Error validating SAML response");
}
}
// Verify issuer
if (response.getIssuer() != null) {
Issuer issuer = response.getIssuer();
verifyIssuer(issuer, context);
}
// Verify status
String statusCode = response.getStatus().getStatusCode().getValue();
if (StatusCode.SUCCESS_URI.equals(statusCode)) {
log.trace("Single Logout was successful");
} else if (StatusCode.PARTIAL_LOGOUT_URI.equals(statusCode)) {
log.trace("Single Logout was partially successful");
} else {
String[] logMessage = new String[2];
logMessage[0] = response.getStatus().getStatusCode().getValue();
StatusMessage message1 = response.getStatus().getStatusMessage();
if (message1 != null) {
logMessage[1] = message1.getMessage();
}
log.warn("Received LogoutResponse has invalid status code", logMessage);
}
}
protected void sendLogoutResponse(Status status, SAMLMessageContext context)
throws MetadataProviderException, SAMLException, MessageEncodingException {
SAMLObjectBuilder<LogoutResponse> responseBuilder =
(SAMLObjectBuilder<LogoutResponse>)
builderFactory.getBuilder(LogoutResponse.DEFAULT_ELEMENT_NAME);
LogoutResponse logoutResponse = responseBuilder.buildObject();
IDPSSODescriptor idpDescriptor = SAMLUtil.getIDPDescriptor(metadata, context.getPeerEntityId());
SPSSODescriptor spDescriptor = (SPSSODescriptor) context.getLocalEntityRoleMetadata();
String binding = SAMLUtil.getLogoutBinding(idpDescriptor, spDescriptor);
SingleLogoutService logoutService = SAMLUtil.getLogoutServiceForBinding(idpDescriptor, binding);
logoutResponse.setID(generateID());
logoutResponse.setIssuer(getIssuer(context.getLocalEntityId()));
logoutResponse.setVersion(SAMLVersion.VERSION_20);
logoutResponse.setIssueInstant(new DateTime());
logoutResponse.setInResponseTo(context.getInboundSAMLMessageId());
logoutResponse.setDestination(logoutService.getLocation());
logoutResponse.setStatus(status);
context.setCommunicationProfileId(getProfileIdentifier());
context.setOutboundMessage(logoutResponse);
context.setOutboundSAMLMessage(logoutResponse);
context.setPeerEntityEndpoint(logoutService);
context.setPeerEntityId(idpDescriptor.getID());
context.setPeerEntityRoleMetadata(idpDescriptor);
boolean signMessage = context.getPeerExtendedMetadata().isRequireLogoutResponseSigned();
sendMessage(context, signMessage);
}
public boolean processLogoutRequest(SAMLMessageContext context, SAMLCredential credential)
throws SAMLException, MetadataProviderException, MessageEncodingException {
SAMLObject message = context.getInboundSAMLMessage();
// Verify type
if (message == null || !(message instanceof LogoutRequest)) {
log.warn("Received request is not of a LogoutRequest object type");
throw new SAMLException("Error validating SAML request");
}
LogoutRequest logoutRequest = (LogoutRequest) message;
// Make sure request was authenticated if required, authentication is done as part of the
// binding processing
if (!context.isInboundSAMLMessageAuthenticated()
&& context.getLocalExtendedMetadata().isRequireLogoutRequestSigned()) {
log.warn(
"Logout Request object is required to be signed by the entity policy: "
+ context.getInboundSAMLMessageId());
Status status = getStatus(StatusCode.REQUEST_DENIED_URI, "Message signature is required");
sendLogoutResponse(status, context);
return false;
}
try {
// Verify destination
verifyEndpoint(context.getLocalEntityEndpoint(), logoutRequest.getDestination());
} catch (SAMLException e) {
log.warn(
"Destination of the request {} does not match any singleLogout endpoint",
logoutRequest.getDestination());
Status status =
getStatus(StatusCode.REQUEST_DENIED_URI, "Destination URL of the request is invalid");
sendLogoutResponse(status, context);
return false;
}
// Verify issuer
if (logoutRequest.getIssuer() != null) {
try {
Issuer issuer = logoutRequest.getIssuer();
verifyIssuer(issuer, context);
} catch (SAMLException e) {
log.warn(
"Response issue time is either too old or with date in the future, id {}",
context.getInboundSAMLMessageId());
Status status =
getStatus(StatusCode.REQUEST_DENIED_URI, "Issuer of the message is unknown");
sendLogoutResponse(status, context);
return false;
}
}
// Verify issue time
DateTime time = logoutRequest.getIssueInstant();
if (!isDateTimeSkewValid(getResponseSkew(), time)) {
log.warn(
"Response issue time is either too old or with date in the future, id {}.",
context.getInboundSAMLMessageId());
Status status =
getStatus(StatusCode.REQUESTER_URI, "Message has been issued too long time ago");
sendLogoutResponse(status, context);
return false;
}
// Check whether any user is logged in
if (credential == null) {
Status status = getStatus(StatusCode.UNKNOWN_PRINCIPAL_URI, "No user is logged in");
sendLogoutResponse(status, context);
return false;
}
// Find index for which the logout is requested
boolean indexFound = false;
if (logoutRequest.getSessionIndexes() != null && logoutRequest.getSessionIndexes().size() > 0) {
for (AuthnStatement statement :
credential.getAuthenticationAssertion().getAuthnStatements()) {
String statementIndex = statement.getSessionIndex();
if (statementIndex != null) {
for (SessionIndex index : logoutRequest.getSessionIndexes()) {
if (statementIndex.equals(index.getSessionIndex())) {
indexFound = true;
}
}
}
}
} else {
indexFound = true;
}
// Fail if sessionIndex is not found in any assertion
if (!indexFound) {
// Check logout request still valid and store request
if (logoutRequest.getNotOnOrAfter() != null) {
// TODO store request for assertions possibly arriving later
}
Status status =
getStatus(StatusCode.REQUESTER_URI, "The requested SessionIndex was not found");
sendLogoutResponse(status, context);
return false;
}
try {
// Fail if NameId doesn't correspond to the currently logged user
NameID nameID = getNameID(context, logoutRequest);
if (nameID == null || !equalsNameID(credential.getNameID(), nameID)) {
Status status =
getStatus(StatusCode.UNKNOWN_PRINCIPAL_URI, "The requested NameID is invalid");
sendLogoutResponse(status, context);
return false;
}
} catch (DecryptionException e) {
Status status = getStatus(StatusCode.RESPONDER_URI, "The NameID can't be decrypted");
sendLogoutResponse(status, context);
return false;
}
// Message is valid, let's logout
Status status = getStatus(StatusCode.SUCCESS_URI, null);
sendLogoutResponse(status, context);
return true;
}
/**
* Initializes SSO by creating AuthnRequest assertion and sending it to the IDP using the default
* binding. Default IDP is used to send the request.
*
* @param options values specified by caller to customize format of sent request
* @throws SAMLException error initializing SSO
* @throws SAMLRuntimeException in case context doesn't contain required entities or contains
* invalid data
* @throws MetadataProviderException error retrieving needed metadata
* @throws MessageEncodingException error forming SAML message
*/
public void sendAuthenticationRequest(SAMLMessageContext context, WebSSOProfileOptions options)
throws SAMLException, MetadataProviderException, MessageEncodingException {
// Verify we deal with a local SP
if (!SPSSODescriptor.DEFAULT_ELEMENT_NAME.equals(context.getLocalEntityRole())) {
throw new SAMLException(
"WebSSO can only be initialized for local SP, but localEntityRole is: "
+ context.getLocalEntityRole());
}
// Load the entities from the context
SPSSODescriptor spDescriptor = (SPSSODescriptor) context.getLocalEntityRoleMetadata();
IDPSSODescriptor idpssoDescriptor = (IDPSSODescriptor) context.getPeerEntityRoleMetadata();
ExtendedMetadata idpExtendedMetadata = context.getPeerExtendedMetadata();
if (spDescriptor == null || idpssoDescriptor == null || idpExtendedMetadata == null) {
throw new SAMLException(
"SPSSODescriptor, IDPSSODescriptor or IDPExtendedMetadata are not present in the SAMLContext");
}
log.debug(
"idpExtendedMetadata.getSigningAlgorithm=" + idpExtendedMetadata.getSigningAlgorithm());
idpExtendedMetadata.setSigningAlgorithm("http://www.w3.org/2001/04/xmldsig-more#rsa-sha512");
SingleSignOnService ssoService =
getSingleSignOnService(options, idpssoDescriptor, spDescriptor);
AssertionConsumerService consumerService =
getAssertionConsumerService(options, idpssoDescriptor, spDescriptor);
AuthnRequest authRequest = getAuthnRequest(context, options, consumerService, ssoService);
if (authRequest == null) {
throw new SAMLException("Erreur dans getAuthnRequest null");
}
// authRequest.setForceAuthn(Boolean.TRUE);
log.debug("getAuthnRequest.providerName=" + authRequest.getProviderName());
// TODO optionally implement support for conditions, subject
context.setCommunicationProfileId(getProfileIdentifier());
context.setOutboundMessage(authRequest);
context.setOutboundSAMLMessage(authRequest);
context.setPeerEntityEndpoint(ssoService);
context.setPeerEntityRoleMetadata(idpssoDescriptor);
context.setPeerExtendedMetadata(idpExtendedMetadata);
if (options.getRelayState() != null) {
context.setRelayState(options.getRelayState());
}
boolean sign =
spDescriptor.isAuthnRequestsSigned() || idpssoDescriptor.getWantAuthnRequestsSigned();
log.debug("signature?" + sign + " avec http://www.w3.org/2001/04/xmldsig-more#rsa-sha512");
context
.getLocalExtendedMetadata()
.setSigningAlgorithm("http://www.w3.org/2001/04/xmldsig-more#rsa-sha512");
sendMessage(context, sign);
SAMLMessageStorage messageStorage = context.getMessageStorage();
if (messageStorage != null) {
messageStorage.storeMessage(authRequest.getID(), authRequest);
}
}
/**
* Returns AuthnRequest SAML message to be used to demand authentication from an IDP described
* using idpEntityDescriptor, with an expected response to the assertionConsumer address.
*
* @param context message context
* @param options preferences of message creation
* @param assertionConsumer assertion consumer where the IDP should respond
* @param bindingService service used to deliver the request
* @return authnRequest ready to be sent to IDP
* @throws SAMLException error creating the message
* @throws MetadataProviderException error retreiving metadata
*/
protected AuthnRequest getAuthnRequest(
SAMLMessageContext context,
WebSSOProfileOptions options,
AssertionConsumerService assertionConsumer,
SingleSignOnService bindingService)
throws SAMLException, MetadataProviderException {
SAMLObjectBuilder<AuthnRequest> builder =
(SAMLObjectBuilder<AuthnRequest>)
builderFactory.getBuilder(AuthnRequest.DEFAULT_ELEMENT_NAME);
AuthnRequest request = builder.buildObject();
request.setIsPassive(options.getPassive());
request.setForceAuthn(options.getForceAuthN());
request.setProviderName(options.getProviderName());
request.setVersion(SAMLVersion.VERSION_20);
if (options.getIncludeEidas()) {
// ne sert à rien
// request.setAssertionConsumerServiceURL(options.getIssuer());
// IssuerBuilder issuerBuilder = new IssuerBuilder();
// Issuer issuer = issuerBuilder.buildObject();
// issuer.setFormat(NAME_ISSUER_FORMAT_EIDAS);
// log.debug("issuer="+options.getIssuer());
// issuer.setValue(options.getIssuer());
// request.setIssuer(issuer);
NameIDPolicy nameIDPolicy = new NameIDPolicyBuilder().buildObject();
nameIDPolicy.setFormat(NAME_POLICY_FORMAT_EIDAS);
nameIDPolicy.setAllowCreate(true);
request.setNameIDPolicy(nameIDPolicy);
QName eidas = new QName("xmlns:eidas", "http://eidas.europa.eu/saml-extensions");
request.getNamespaceManager().registerAttributeName(eidas);
Extensions extEidas =
new ExtensionsBuilder()
.buildObject("urn:oasis:names:tc:SAML:2.0:protocol", "Extensions", "saml2p");
// Extensions extEidas = new EidasExtensions();
Collection<String> colAttr = options.getEidasAttributes();
// XSAnyBuilder raBuild = new XSAnyBuilder();
// <eidas:SPType>public</eidas:SPType>
SPType pub =
new SPTypeBuilder()
.buildObject("http://eidas.europa.eu/saml-extensions", "SPType", "eidas");
// pub.setTextContent(EIDAS_PUBLIC);
pub.setSPType(EIDAS_PUBLIC);
// XSAny attrs = new XSAnyBuilder().buildObject("http://eidas.europa.eu/saml-extensions",
// "RequestedAttributes", "eidas");
extEidas.getUnknownXMLObjects().add(pub);
// XSAnyBuilder anyBuilder = (XSAnyBuilder)
// Configuration.getBuilderFactory().getBuilder(XSAny.TYPE_NAME);
String resAttrs =
"<eidas:RequestedAttributes xmlns:eidas=\"http://eidas.europa.eu/saml-extensions\">";
for (String attr : colAttr) {
resAttrs += oneAttribute(attr);
}
resAttrs += "</eidas:RequestedAttributes>";
log.debug("resAttrs=" + resAttrs);
EidasExtensionConfiguration eidasExt = new EidasExtensionConfiguration();
eidasExt.configureExtension();
SAMLSchemaBuilder.addExtensionSchema("/schema/saml_eidas_extension.xsd");
BasicParserPool ppMgr = new BasicParserPool();
ppMgr.setNamespaceAware(true);
try {
ppMgr.setSchema(SAMLSchemaBuilder.getSAML11Schema());
} catch (SAXException ex) {
log.error("Erreur schema=" + ex);
return null;
}
InputStream is = new ByteArrayInputStream(resAttrs.getBytes());
Document domAttrsRaq = null;
try {
domAttrsRaq = ppMgr.parse(is);
} catch (XMLParserException e) {
log.error("Erreur dom=" + e);
return null;
}
if (domAttrsRaq == null) {
log.error("Erreur dom vide");
return null;
}
RequestedAttributesUnmarshaller unMars = new RequestedAttributesUnmarshaller();
XMLObject attrs = null;
try {
attrs = unMars.unmarshall(domAttrsRaq.getDocumentElement());
} catch (UnmarshallingException e) {
System.err.println("Erreur unMarsh error=" + e);
}
extEidas.getUnknownXMLObjects().add(attrs);
request.setExtensions(extEidas);
}
buildCommonAttributes(context.getLocalEntityId(), request, bindingService);
buildScoping(request, bindingService, options);
builNameIDPolicy(request, options);
buildAuthnContext(request, options);
buildReturnAddress(request, assertionConsumer);
return request;
}