/**
* Create an OpenID Auth Request, using the DiscoveryInformation object return by the openid4java
* library.
*
* <p>This method also uses the Simple Registration Extension to grant the Relying Party (RP).
*
* @param discoveryInformation The DiscoveryInformation that should have been previously obtained
* from a call to performDiscoveryOnUserSuppliedIdentifier().
* @param returnToUrl The URL to which the OP will redirect once the authentication call is
* complete.
* @return AuthRequest - A "good-to-go" AuthRequest object packed with all kinds of great OpenID
* goodies for the OpenID Provider (OP). The caller must take this object and forward it on to
* the OP. Or call processAuthRequest() - part of this Service Class.
*/
public static AuthRequest createOpenIdAuthRequest(
DiscoveryInformation discoveryInformation, String returnToUrl) {
AuthRequest ret = null;
//
try {
// Create the AuthRequest object
ret = getConsumerManager().authenticate(discoveryInformation, returnToUrl);
// Create the Simple Registration Request
SRegRequest sRegRequest = SRegRequest.createFetchRequest();
FetchRequest ax = FetchRequest.createFetchRequest();
// ax.addAttribute("http://www.w3.org/2006/vcard/ns#role",true);
ax.addAttribute("label", "http://www.w3.org/2006/vcard/ns#role", true, 0);
sRegRequest.addAttribute("email", false);
sRegRequest.addAttribute("fullname", false);
sRegRequest.addAttribute("dob", false);
sRegRequest.addAttribute("postcode", false);
ret.addExtension(sRegRequest);
ret.addExtension(ax);
} catch (Exception e) {
String message = "Exception occurred while building AuthRequest object!";
log.error(message, e);
throw new RuntimeException(message, e);
}
return ret;
}
@SuppressWarnings("unchecked")
private boolean prepareAndSendAuthRequest(
HttpServletRequest request, HttpServletResponse response) throws IOException {
// Figure out the service url
String authType = request.getParameter(AUTH_TYPE);
if (authType == null || authType.length() == 0) {
authType = (String) request.getSession().getAttribute(AUTH_TYPE);
}
determineServiceUrl(authType);
String openId = openIdServiceUrl;
HttpSession session = request.getSession(true);
if (openId != null) {
session.setAttribute("openid", openId);
List<DiscoveryInformation> discoveries;
try {
discoveries = openIdConsumerManager.discover(openId);
} catch (DiscoveryException e) {
throw new RuntimeException(e);
}
DiscoveryInformation discovered = openIdConsumerManager.associate(discoveries);
session.setAttribute("discovery", discovered);
try {
AuthRequest authReq = openIdConsumerManager.authenticate(discovered, returnURL);
// Add in required attributes
authReq.addExtension(fetchRequest);
String url = authReq.getDestinationUrl(true);
response.sendRedirect(url);
request.getSession().setAttribute("STATE", STATES.AUTH.name());
return false;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
return false;
}
@Override
public void sendRequest(
ThemeDisplay themeDisplay, ActionRequest actionRequest, ActionResponse actionResponse)
throws PortalException {
HttpServletRequest request = PortalUtil.getHttpServletRequest(actionRequest);
request = PortalUtil.getOriginalServletRequest(request);
HttpServletResponse response = PortalUtil.getHttpServletResponse(actionResponse);
HttpSession session = request.getSession();
LiferayPortletResponse liferayPortletResponse =
PortalUtil.getLiferayPortletResponse(actionResponse);
String openId = ParamUtil.getString(actionRequest, "openId");
PortletURL portletURL = liferayPortletResponse.createActionURL();
portletURL.setParameter(ActionRequest.ACTION_NAME, "/login/openid");
portletURL.setParameter("saveLastPath", Boolean.FALSE.toString());
portletURL.setParameter("mvcRenderCommandName", "/login/openid");
portletURL.setParameter(Constants.CMD, Constants.READ);
try {
List<DiscoveryInformation> discoveryInformationList = _consumerManager.discover(openId);
DiscoveryInformation discoveryInformation =
_consumerManager.associate(discoveryInformationList);
session.setAttribute(OpenIdWebKeys.OPEN_ID_DISCO, discoveryInformation);
AuthRequest authRequest =
_consumerManager.authenticate(
discoveryInformation, portletURL.toString(), themeDisplay.getPortalURL());
if (_userLocalService.fetchUserByOpenId(themeDisplay.getCompanyId(), openId) != null) {
response.sendRedirect(authRequest.getDestinationUrl(true));
return;
}
String screenName = getScreenName(openId);
User user = _userLocalService.fetchUserByScreenName(themeDisplay.getCompanyId(), screenName);
if (user != null) {
_userLocalService.updateOpenId(user.getUserId(), openId);
response.sendRedirect(authRequest.getDestinationUrl(true));
return;
}
FetchRequest fetchRequest = FetchRequest.createFetchRequest();
OpenIdProvider openIdProvider =
_openIdProviderRegistry.getOpenIdProvider(discoveryInformation.getOPEndpoint());
Map<String, String> openIdAXTypes = openIdProvider.getAxTypes();
for (String openIdAXType : openIdAXTypes.keySet()) {
fetchRequest.addAttribute(openIdAXType, openIdAXTypes.get(openIdAXType), true);
}
authRequest.addExtension(fetchRequest);
SRegRequest sRegRequest = SRegRequest.createFetchRequest();
sRegRequest.addAttribute(_OPEN_ID_SREG_ATTR_EMAIL, true);
sRegRequest.addAttribute(_OPEN_ID_SREG_ATTR_FULLNAME, true);
authRequest.addExtension(sRegRequest);
response.sendRedirect(authRequest.getDestinationUrl(true));
} catch (ConsumerException ce) {
throw new OpenIdServiceException.ConsumerException(ce.getMessage(), ce);
} catch (DiscoveryException de) {
throw new OpenIdServiceException.DiscoveryException(de.getMessage(), de);
} catch (MessageException me) {
throw new OpenIdServiceException.MessageException(me.getMessage(), me);
} catch (IOException ioe) {
throw new SystemException("Unable to communicate with OpenId provider", ioe);
}
}
/*
* This method is called by the application when the user clicks on 'Sign In
* with Intuit' button from the Login Page to get the OpenId.
*/
@RequestMapping(value = "/initialize.htm", method = RequestMethod.GET)
public void initialize(final HttpServletRequest request, final HttpServletResponse response)
throws IOException {
LOG.info("### OpenIdController -> initialize() - started ###");
final List<DiscoveryInformation> discoveries = new ArrayList<DiscoveryInformation>();
final ConsumerManager manager = new ConsumerManager();
manager.setAssociations(new InMemoryConsumerAssociationStore());
manager.setNonceVerifier(new InMemoryNonceVerifier(5000));
manager.setMinAssocSessEnc(AssociationSessionType.DH_SHA256);
DiscoveryInformation discovered = null;
try {
LOG.info("OpenID Provider URL = " + WebUtils.OPENID_PROVIDER_URL);
discovered = new DiscoveryInformation(new URL(WebUtils.OPENID_PROVIDER_URL));
} catch (DiscoveryException e) {
LOG.error(e.getLocalizedMessage());
} catch (MalformedURLException me) {
LOG.error(me.getLocalizedMessage());
}
discoveries.add(discovered);
final DiscoveryInformation discoveryInfo = manager.associate(discoveries);
request.getSession().setAttribute("openid-disc", discoveryInfo);
final FetchRequest fetch = FetchRequest.createFetchRequest();
try {
fetch.addAttribute("FirstName", "http://axschema.org/namePerson/first", true);
fetch.addAttribute("LastName", "http://axschema.org/namePerson/last", true);
fetch.addAttribute("Email", "http://axschema.org/contact/email", true);
fetch.addAttribute("RealmId", "http://axschema.org/intuit/realmId", true);
} catch (MessageException e) {
LOG.error(e.getLocalizedMessage());
}
fetch.setCount("Email", 3);
AuthRequest authReq = null;
LOG.info("openIdReturnUrl = " + WebUtils.OPENID_RETURN_URL);
try {
authReq = manager.authenticate(discoveryInfo, WebUtils.OPENID_RETURN_URL);
authReq.addExtension(fetch);
} catch (MessageException e) {
LOG.error(e.getLocalizedMessage());
} catch (ConsumerException e) {
LOG.error(e.getLocalizedMessage());
}
final HttpSession session = request.getSession();
LOG.info("Session Id : " + session.getId());
session.setAttribute("consumerManager", manager);
LOG.info("authReq.getDestinationUrl: " + authReq.getDestinationUrl(true));
LOG.info("### OpenIdController -> initialize() - completed ###");
response.sendRedirect(authReq.getDestinationUrl(true));
}
public void doStart(
StaplerRequest request, StaplerResponse response, @QueryParameter String openid)
throws IOException, ServletException {
try {
// determine a return_to URL where your application will receive
// the authentication responses from the OpenID provider
// YOU SHOULD CHANGE THIS TO GO TO THE
String url = request.getRequestURL().toString();
String returnToUrl = url.substring(0, url.length() - 5 /*start*/) + "return";
// perform discovery on the user-supplied identifier
List discoveries = manager.discover(openid);
// attempt to associate with an OpenID provider
// and retrieve one service endpoint for authentication
discovered = manager.associate(discoveries);
// store the discovery information in the user's session
// obtain a AuthRequest message to be sent to the OpenID provider
AuthRequest authReq = manager.authenticate(discovered, returnToUrl);
// Attribute Exchange example: fetching the 'email' attribute
FetchRequest fetch = FetchRequest.createFetchRequest();
fetch.addAttribute(
"email",
// attribute alias
"http://schema.openid.net/contact/email", // type URI
true); // required
// see http://code.google.com/apis/accounts/docs/OpenID.html
fetch.addAttribute("ff", "http://axschema.org/namePerson/first", true);
fetch.addAttribute("ll", "http://axschema.org/namePerson/last", true);
// attach the extension to the authentication request
authReq.addExtension(fetch);
SRegRequest sregReq = SRegRequest.createFetchRequest();
sregReq.addAttribute("fullname", true);
sregReq.addAttribute("nickname", true);
sregReq.addAttribute("email", true);
authReq.addExtension(sregReq);
if (!discovered.isVersion2()) {
// Option 1: GET HTTP-redirect to the OpenID Provider endpoint
// The only method supported in OpenID 1.x
// redirect-URL usually limited ~2048 bytes
response.sendRedirect(authReq.getDestinationUrl(true));
} else {
// Option 2: HTML FORM Redirection
// Allows payloads > 2048 bytes
// <FORM action="OpenID Provider's service endpoint">
// see samples/formredirection.jsp for a JSP example
// authReq.getOPEndpoint();
// build a HTML FORM with the message parameters
// authReq.getParameterMap();
RequestDispatcher d = request.getView(this, "formRedirect.jelly");
request.setAttribute("endpoint", authReq.getOPEndpoint());
request.setAttribute("parameters", authReq.getParameterMap());
d.forward(request, response);
}
} catch (OpenIDException e) {
// present error to the user
throw new Error(e);
}
}
/**
* Authenticate an user with the provider
*
* @param adapter protocol adapter
* @param providerInfo Information about a provider derived from discovery process
* @return
* @throws OpenIDDiscoveryException
* @throws OpenIDConsumerException
* @throws OpenIDMessageException
* @throws OpenIDProtocolException
*/
@SuppressWarnings("unchecked")
public boolean authenticate(OpenIDProtocolAdapter adapter, OpenIDProviderInformation providerInfo)
throws OpenIDDiscoveryException, OpenIDConsumerException, OpenIDMessageException,
OpenIDProtocolException {
DiscoveryInformation discovered = providerInfo.get();
// obtain a AuthRequest message to be sent to the OpenID provider
try {
AuthRequest authReq = consumerManager.authenticate(discovered, adapter.getReturnURL());
// Attribute Exchange example: fetching the 'email' attribute
FetchRequest fetch = FetchRequest.createFetchRequest();
SRegRequest sregReq = SRegRequest.createFetchRequest();
OpenIDAttributeMap amap = adapter.getAttributeMap();
if ("1".equals(amap.get("nickname"))) {
// fetch.addAttribute("nickname",
// "http://schema.openid.net/contact/nickname", false);
sregReq.addAttribute("nickname", false);
}
if ("1".equals(amap.get("email"))) {
fetch.addAttribute("email", OpenIDConstants.EMAIL.url(), false);
sregReq.addAttribute("email", false);
}
if ("1".equals(amap.get("fullname"))) {
fetch.addAttribute("fullname", OpenIDConstants.FULLNAME.url(), false);
sregReq.addAttribute("fullname", false);
}
if ("1".equals(amap.get("dob"))) {
fetch.addAttribute("dob", OpenIDConstants.DOB.url(), true);
sregReq.addAttribute("dob", false);
}
if ("1".equals(amap.get("gender"))) {
fetch.addAttribute("gender", OpenIDConstants.GENDER.url(), false);
sregReq.addAttribute("gender", false);
}
if ("1".equals(amap.get("postcode"))) {
fetch.addAttribute("postcode", OpenIDConstants.POSTCODE.url(), false);
sregReq.addAttribute("postcode", false);
}
if ("1".equals(amap.get("country"))) {
fetch.addAttribute("country", OpenIDConstants.COUNTRY.url(), false);
sregReq.addAttribute("country", false);
}
if ("1".equals(amap.get("language"))) {
fetch.addAttribute("language", OpenIDConstants.LANGUAGE.url(), false);
sregReq.addAttribute("language", false);
}
if ("1".equals(amap.get("timezone"))) {
fetch.addAttribute("timezone", OpenIDConstants.TIMEZONE.url(), false);
sregReq.addAttribute("timezone", false);
}
// attach the extension to the authentication request
if (!sregReq.getAttributes().isEmpty()) {
authReq.addExtension(sregReq);
}
if (!discovered.isVersion2()) {
// Option 1: GET HTTP-redirect to the OpenID Provider endpoint
// The only method supported in OpenID 1.x
// redirect-URL usually limited ~2048 bytes
adapter.sendToProvider(1, authReq.getDestinationUrl(true), null);
return true;
} else {
// Option 2: HTML FORM Redirection (Allows payloads >2048 bytes)
adapter.sendToProvider(2, authReq.getDestinationUrl(false), authReq.getParameterMap());
}
} catch (MessageException e) {
throw new OpenIDMessageException(e);
} catch (ConsumerException e) {
throw new OpenIDConsumerException(e);
}
return false;
}
// authentication request
public String authRequest(
String userSuppliedString, HttpServletRequest httpReq, HttpServletResponse httpResp)
throws IOException, ServletException {
if (OpenIDRealm.instance == null) {
ServletOutputStream out = httpResp.getOutputStream();
httpResp.setContentType("text/html; charset=\"UTF-8\"");
httpResp.addHeader("pragma", "no-cache");
httpResp.addHeader("Cache-Control", "no-cache");
httpResp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
out.print("<html><head>");
out.print("<title>OpenIDServlet Error</title>");
out.print("<link rel=\"stylesheet\" type=\"text/css\" href=\"error.css\"></link></head>");
out.print("<body><div id=\"container\"><h1>Error found</h1>");
out.print("<h2>Message:");
out.print("OpenID realm wasn't initialized.");
out.print("</h2>");
// out.print(HTTPUtils.printStackTraceHTML(t));
out.print("</div></body></html>");
return null;
}
try {
String returnAfterAuthentication = httpReq.getParameter("return_to");
// configure the return_to URL where your application will receive
// the authentication responses from the OpenID provider
String returnToUrl =
httpReq.getRequestURL().toString()
+ "?is_return=true&exist_return="
+ returnAfterAuthentication;
// perform discovery on the user-supplied identifier
List<?> discoveries = manager.discover(userSuppliedString);
// attempt to associate with the OpenID provider
// and retrieve one service endpoint for authentication
DiscoveryInformation discovered = manager.associate(discoveries);
// store the discovery information in the user's session
httpReq.getSession().setAttribute("openid-disc", discovered);
// obtain a AuthRequest message to be sent to the OpenID provider
AuthRequest authReq = manager.authenticate(discovered, returnToUrl);
if (authReq.getOPEndpoint().indexOf("myopenid.com") > 0) {
SRegRequest sregReq = SRegRequest.createFetchRequest();
sregReq.addAttribute(AXSchemaType.FULLNAME.name().toLowerCase(), true);
sregReq.addAttribute(AXSchemaType.EMAIL.name().toLowerCase(), true);
sregReq.addAttribute(AXSchemaType.COUNTRY.name().toLowerCase(), true);
sregReq.addAttribute(AXSchemaType.LANGUAGE.name().toLowerCase(), true);
authReq.addExtension(sregReq);
} else {
FetchRequest fetch = FetchRequest.createFetchRequest();
fetch.addAttribute(
AXSchemaType.FIRSTNAME.getAlias(), AXSchemaType.FIRSTNAME.getNamespace(), true);
fetch.addAttribute(
AXSchemaType.LASTNAME.getAlias(), AXSchemaType.LASTNAME.getNamespace(), true);
fetch.addAttribute(AXSchemaType.EMAIL.getAlias(), AXSchemaType.EMAIL.getNamespace(), true);
fetch.addAttribute(
AXSchemaType.COUNTRY.getAlias(), AXSchemaType.COUNTRY.getNamespace(), true);
fetch.addAttribute(
AXSchemaType.LANGUAGE.getAlias(), AXSchemaType.LANGUAGE.getNamespace(), true);
// wants up to three email addresses
fetch.setCount(AXSchemaType.EMAIL.getAlias(), 3);
authReq.addExtension(fetch);
}
if (!discovered.isVersion2()) {
// Option 1: GET HTTP-redirect to the OpenID Provider endpoint
// The only method supported in OpenID 1.x
// redirect-URL usually limited ~2048 bytes
httpResp.sendRedirect(authReq.getDestinationUrl(true));
return null;
} else {
// Option 2: HTML FORM Redirection (Allows payloads >2048 bytes)
Object OPEndpoint = authReq.getDestinationUrl(false);
ServletOutputStream out = httpResp.getOutputStream();
httpResp.setContentType("text/html; charset=UTF-8");
httpResp.addHeader("pragma", "no-cache");
httpResp.addHeader("Cache-Control", "no-cache");
out.println("<html xmlns=\"http://www.w3.org/1999/xhtml\">");
out.println("<head>");
out.println(" <title>OpenID HTML FORM Redirection</title>");
out.println("</head>");
out.println("<body onload=\"document.forms['openid-form-redirection'].submit();\">");
out.println(
" <form name=\"openid-form-redirection\" action=\""
+ OPEndpoint
+ "\" method=\"post\" accept-charset=\"utf-8\">");
Map<String, String> parameterMap = authReq.getParameterMap();
for (Entry<String, String> entry : parameterMap.entrySet()) {
out.println(
" <input type=\"hidden\" name=\""
+ entry.getKey()
+ "\" value=\""
+ entry.getValue()
+ "\"/>");
}
out.println(" <button type=\"submit\">Continue...</button>");
out.println(" </form>");
out.println("</body>");
out.println("</html>");
out.flush();
}
} catch (OpenIDException e) {
// present error to the user
LOG.debug("OpenIDException", e);
ServletOutputStream out = httpResp.getOutputStream();
httpResp.setContentType("text/html; charset=\"UTF-8\"");
httpResp.addHeader("pragma", "no-cache");
httpResp.addHeader("Cache-Control", "no-cache");
httpResp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
out.print("<html><head>");
out.print("<title>OpenIDServlet Error</title>");
out.print("<link rel=\"stylesheet\" type=\"text/css\" href=\"error.css\"></link></head>");
out.print("<body><div id=\"container\"><h1>Error found</h1>");
out.print("<h2>Message:");
out.print(e.getMessage());
out.print("</h2>");
Throwable t = e.getCause();
if (t != null) {
// t can be null
out.print(HTTPUtils.printStackTraceHTML(t));
}
out.print("</div></body></html>");
}
return null;
}
protected void sendOpenIdRequest(
ThemeDisplay themeDisplay, ActionRequest actionRequest, ActionResponse actionResponse)
throws Exception {
HttpServletRequest request = PortalUtil.getHttpServletRequest(actionRequest);
HttpServletResponse response = PortalUtil.getHttpServletResponse(actionResponse);
HttpSession session = request.getSession();
LiferayPortletResponse liferayPortletResponse =
PortalUtil.getLiferayPortletResponse(actionResponse);
String openId = ParamUtil.getString(actionRequest, "openId");
PortletURL portletURL = liferayPortletResponse.createActionURL();
portletURL.setParameter("saveLastPath", Boolean.FALSE.toString());
portletURL.setParameter(Constants.CMD, Constants.READ);
portletURL.setParameter("struts_action", "/login/open_id");
List<DiscoveryInformation> discoveryInformationList = _consumerManager.discover(openId);
DiscoveryInformation discoveryInformation =
_consumerManager.associate(discoveryInformationList);
session.setAttribute(OpenIdWebKeys.OPEN_ID_DISCO, discoveryInformation);
AuthRequest authRequest =
_consumerManager.authenticate(
discoveryInformation, portletURL.toString(), themeDisplay.getPortalURL());
if (_userLocalService.fetchUserByOpenId(themeDisplay.getCompanyId(), openId) != null) {
response.sendRedirect(authRequest.getDestinationUrl(true));
return;
}
String screenName = getScreenName(openId);
User user = _userLocalService.fetchUserByScreenName(themeDisplay.getCompanyId(), screenName);
if (user != null) {
_userLocalService.updateOpenId(user.getUserId(), openId);
response.sendRedirect(authRequest.getDestinationUrl(true));
return;
}
FetchRequest fetchRequest = FetchRequest.createFetchRequest();
OpenIdProvider openIdProvider =
_openIdProviderRegistry.getOpenIdProvider(discoveryInformation.getOPEndpoint());
Map<String, String> openIdAXTypes = openIdProvider.getAxTypes();
for (String openIdAXType : openIdAXTypes.keySet()) {
fetchRequest.addAttribute(openIdAXType, openIdAXTypes.get(openIdAXType), true);
}
authRequest.addExtension(fetchRequest);
SRegRequest sRegRequest = SRegRequest.createFetchRequest();
sRegRequest.addAttribute(_OPEN_ID_SREG_ATTR_EMAIL, true);
sRegRequest.addAttribute(_OPEN_ID_SREG_ATTR_FULLNAME, true);
authRequest.addExtension(sRegRequest);
response.sendRedirect(authRequest.getDestinationUrl(true));
}
@SuppressWarnings("rawtypes")
protected void processOpenID(
HttpServletRequest request,
HttpServletResponse response,
String provider,
String returnURL,
boolean isRegister) {
HttpSession session = request.getSession();
session.setAttribute(SA_REGISTRATION, isRegister);
session.setAttribute(SA_OPENID_PROVIDER, provider);
if (returnURL == null || returnURL.isEmpty()) {
returnURL = "/ui/admin";
}
session.setAttribute(SA_RETURN_URL, returnURL);
if (provider == null || provider.isEmpty()) {
provider = DEFAULT_PROVIDER;
}
log.info("Authentication request for " + provider + (isRegister ? " (registration)" : ""));
String responseURL = uriInfo.getBaseUri().toString() + "system/security/response";
try {
// perform discovery on the user-supplied identifier
List discoveries = manager.discover(provider);
// attempt to associate with the OpenID provider
// and retrieve one service endpoint for authentication
DiscoveryInformation discovered = manager.associate(discoveries);
// store the discovery information in the user's session
request.getSession().setAttribute(SA_OPENID_DISC, discovered);
// obtain a AuthRequest message to be sent to the OpenID provider
AuthRequest authReq = manager.authenticate(discovered, responseURL);
if (isRegister) {
// Attribute Exchange example: fetching the 'email' attribute
FetchRequest fetch = FetchRequest.createFetchRequest();
if (provider.contains("google.com")) {
// fetch.addAttribute(AP_EMAIL, "http://axschema.org/contact/email",
// false);
fetch.addAttribute(AP_FIRST_NAME, "http://axschema.org/namePerson/first", true);
fetch.addAttribute(AP_LAST_NAME, "http://axschema.org/namePerson/last", true);
} else if (provider.contains("yahoo.com")) {
// fetch.addAttribute(AP_EMAIL, "http://axschema.org/contact/email",
// false);
fetch.addAttribute(AP_FULL_NAME, "http://axschema.org/namePerson", true);
} else { // works for myOpenID
// fetch.addAttribute(AP_EMAIL,
// "http://schema.openid.net/contact/email", false);
fetch.addAttribute(AP_FULL_NAME, "http://schema.openid.net/namePerson", true);
}
// attach the extension to the authentication request
authReq.addExtension(fetch);
}
// For version2 endpoints can do a form-redirect but this is easier,
// Relies on payload being less ~ 2k, currently ~ 800 bytes
response.sendRedirect(authReq.getDestinationUrl(true));
} catch (Exception e) {
throw new WebApplicationException(e);
}
}