@Override
public Response frontchannelLogout(
UserSessionModel userSession, ClientSessionModel clientSession) {
ClientModel client = clientSession.getClient();
SamlClient samlClient = new SamlClient(client);
if (!(client instanceof ClientModel)) return null;
try {
if (isLogoutPostBindingForClient(clientSession)) {
String bindingUri = getLogoutServiceUrl(uriInfo, client, SAML_POST_BINDING);
SAML2LogoutRequestBuilder logoutBuilder =
createLogoutRequest(bindingUri, clientSession, client);
JaxrsSAML2BindingBuilder binding = createBindingBuilder(samlClient);
return binding.postBinding(logoutBuilder.buildDocument()).request(bindingUri);
} else {
logger.debug("frontchannel redirect binding");
String bindingUri = getLogoutServiceUrl(uriInfo, client, SAML_REDIRECT_BINDING);
SAML2LogoutRequestBuilder logoutBuilder =
createLogoutRequest(bindingUri, clientSession, client);
JaxrsSAML2BindingBuilder binding = createBindingBuilder(samlClient);
return binding.redirectBinding(logoutBuilder.buildDocument()).request(bindingUri);
}
} catch (ConfigurationException e) {
throw new RuntimeException(e);
} catch (ProcessingException e) {
throw new RuntimeException(e);
} catch (IOException e) {
throw new RuntimeException(e);
} catch (ParsingException e) {
throw new RuntimeException(e);
}
}
@Override
public void backchannelLogout(UserSessionModel userSession, ClientSessionModel clientSession) {
ClientModel client = clientSession.getClient();
SamlClient samlClient = new SamlClient(client);
String logoutUrl = getLogoutServiceUrl(uriInfo, client, SAML_POST_BINDING);
if (logoutUrl == null) {
logger.warnv(
"Can't do backchannel logout. No SingleLogoutService POST Binding registered for client: {1}",
client.getClientId());
return;
}
SAML2LogoutRequestBuilder logoutBuilder = createLogoutRequest(logoutUrl, clientSession, client);
String logoutRequestString = null;
try {
JaxrsSAML2BindingBuilder binding = createBindingBuilder(samlClient);
logoutRequestString = binding.postBinding(logoutBuilder.buildDocument()).encoded();
} catch (Exception e) {
logger.warn("failed to send saml logout", e);
return;
}
HttpClient httpClient = session.getProvider(HttpClientProvider.class).getHttpClient();
for (int i = 0; i < 2; i++) { // follow redirects once
try {
List<NameValuePair> formparams = new ArrayList<NameValuePair>();
formparams.add(
new BasicNameValuePair(GeneralConstants.SAML_REQUEST_KEY, logoutRequestString));
formparams.add(
new BasicNameValuePair("BACK_CHANNEL_LOGOUT", "BACK_CHANNEL_LOGOUT")); // for Picketlink
// todo remove
// this
UrlEncodedFormEntity form = new UrlEncodedFormEntity(formparams, "UTF-8");
HttpPost post = new HttpPost(logoutUrl);
post.setEntity(form);
HttpResponse response = httpClient.execute(post);
try {
int status = response.getStatusLine().getStatusCode();
if (status == 302 && !logoutUrl.endsWith("/")) {
String redirect = response.getFirstHeader(HttpHeaders.LOCATION).getValue();
String withSlash = logoutUrl + "/";
if (withSlash.equals(redirect)) {
logoutUrl = withSlash;
continue;
}
}
} finally {
HttpEntity entity = response.getEntity();
if (entity != null) {
InputStream is = entity.getContent();
if (is != null) is.close();
}
}
} catch (IOException e) {
logger.warn("failed to send saml logout", e);
}
break;
}
}