@Override
protected ModelAndView handleRequestInternal(
final HttpServletRequest request, final HttpServletResponse response) throws Exception {
String accessToken = request.getParameter(OAuthConstants.ACCESS_TOKEN);
if (StringUtils.isBlank(accessToken)) {
final String authHeader = request.getHeader("Authorization");
if (StringUtils.isNotBlank(authHeader)
&& authHeader.toLowerCase().startsWith(OAuthConstants.BEARER_TOKEN.toLowerCase() + ' ')) {
accessToken = authHeader.substring(OAuthConstants.BEARER_TOKEN.length() + 1);
}
}
LOGGER.debug("{} : {}", OAuthConstants.ACCESS_TOKEN, accessToken);
try (final JsonGenerator jsonGenerator =
this.jsonFactory.createJsonGenerator(response.getWriter())) {
response.setContentType("application/json");
// accessToken is required
if (StringUtils.isBlank(accessToken)) {
LOGGER.error("Missing {}", OAuthConstants.ACCESS_TOKEN);
jsonGenerator.writeStartObject();
jsonGenerator.writeStringField("error", OAuthConstants.MISSING_ACCESS_TOKEN);
jsonGenerator.writeEndObject();
return null;
}
// get ticket granting ticket
final TicketGrantingTicket ticketGrantingTicket =
(TicketGrantingTicket) this.ticketRegistry.getTicket(accessToken);
if (ticketGrantingTicket == null || ticketGrantingTicket.isExpired()) {
LOGGER.error("expired accessToken : {}", accessToken);
jsonGenerator.writeStartObject();
jsonGenerator.writeStringField("error", OAuthConstants.EXPIRED_ACCESS_TOKEN);
jsonGenerator.writeEndObject();
return null;
}
// generate profile : identifier + attributes
final Principal principal = ticketGrantingTicket.getAuthentication().getPrincipal();
jsonGenerator.writeStartObject();
jsonGenerator.writeStringField(ID, principal.getId());
jsonGenerator.writeObjectFieldStart(ATTRIBUTES);
final Map<String, Object> attributes = principal.getAttributes();
for (final Map.Entry<String, Object> entry : attributes.entrySet()) {
// jsonGenerator.writeStartObject();
jsonGenerator.writeObjectField(entry.getKey(), entry.getValue());
// jsonGenerator.writeEndObject();
}
// jsonGenerator.writeEndArray();
jsonGenerator.writeEndObject();
return null;
} finally {
response.flushBuffer();
}
}
@Audit(
action = "SERVICE_TICKET",
actionResolverName = "GRANT_SERVICE_TICKET_RESOLVER",
resourceResolverName = "GRANT_SERVICE_TICKET_RESOURCE_RESOLVER")
@Profiled(tag = "GRANT_SERVICE_TICKET", logFailuresSeparately = false)
@Transactional(readOnly = false)
@Override
public String grantServiceTicket(
final String ticketGrantingTicketId, final Service service, final Credential... credentials)
throws AuthenticationException, TicketException {
Assert.notNull(ticketGrantingTicketId, "ticketGrantingticketId cannot be null");
Assert.notNull(service, "service cannot be null");
final TicketGrantingTicket ticketGrantingTicket =
this.ticketRegistry.getTicket(ticketGrantingTicketId, TicketGrantingTicket.class);
if (ticketGrantingTicket == null) {
logger.debug(
"TicketGrantingTicket [{}] cannot be found in the ticket registry.",
ticketGrantingTicketId);
throw new InvalidTicketException(ticketGrantingTicketId);
}
synchronized (ticketGrantingTicket) {
if (ticketGrantingTicket.isExpired()) {
this.ticketRegistry.deleteTicket(ticketGrantingTicketId);
logger.debug(
"TicketGrantingTicket[{}] has expired and is now deleted from the ticket registry.",
ticketGrantingTicketId);
throw new InvalidTicketException(ticketGrantingTicketId);
}
}
final RegisteredService registeredService = this.servicesManager.findServiceBy(service);
verifyRegisteredServiceProperties(registeredService, service);
if (!registeredService.isSsoEnabled()
&& credentials == null
&& ticketGrantingTicket.getCountOfUses() > 0) {
logger.warn("ServiceManagement: Service [{}] is not allowed to use SSO.", service.getId());
throw new UnauthorizedSsoServiceException();
}
// CAS-1019
final List<Authentication> authns = ticketGrantingTicket.getChainedAuthentications();
if (authns.size() > 1) {
if (!registeredService.isAllowedToProxy()) {
final String message =
String.format(
"ServiceManagement: Proxy attempt by service [%s] (registered service [%s]) is not allowed.",
service.getId(), registeredService.toString());
logger.warn(message);
throw new UnauthorizedProxyingException(message);
}
}
if (credentials != null) {
final Authentication current = this.authenticationManager.authenticate(credentials);
final Authentication original = ticketGrantingTicket.getAuthentication();
if (!current.getPrincipal().equals(original.getPrincipal())) {
throw new MixedPrincipalException(current, current.getPrincipal(), original.getPrincipal());
}
ticketGrantingTicket.getSupplementalAuthentications().add(current);
}
// Perform security policy check by getting the authentication that satisfies the configured
// policy
// This throws if no suitable policy is found
getAuthenticationSatisfiedByPolicy(
ticketGrantingTicket, new ServiceContext(service, registeredService));
final String uniqueTicketIdGenKey = service.getClass().getName();
if (!this.uniqueTicketIdGeneratorsForService.containsKey(uniqueTicketIdGenKey)) {
logger.warn(
"Cannot create service ticket because the key [{}] for service [{}] is not linked to a ticket id generator",
uniqueTicketIdGenKey,
service.getId());
throw new UnauthorizedSsoServiceException();
}
final UniqueTicketIdGenerator serviceTicketUniqueTicketIdGenerator =
this.uniqueTicketIdGeneratorsForService.get(uniqueTicketIdGenKey);
final String generatedServiceTicketId =
serviceTicketUniqueTicketIdGenerator.getNewTicketId(ServiceTicket.PREFIX);
logger.debug(
"Generated service ticket id [{}] for ticket granting ticket [{}]",
generatedServiceTicketId,
ticketGrantingTicket.getId());
final ServiceTicket serviceTicket =
ticketGrantingTicket.grantServiceTicket(
generatedServiceTicketId,
service,
this.serviceTicketExpirationPolicy,
credentials != null);
this.serviceTicketRegistry.addTicket(serviceTicket);
if (logger.isInfoEnabled()) {
final List<Authentication> authentications =
serviceTicket.getGrantingTicket().getChainedAuthentications();
final String formatString = "Granted %s ticket [%s] for service [%s] for user [%s]";
final String type;
final String principalId =
authentications.get(authentications.size() - 1).getPrincipal().getId();
if (authentications.size() == 1) {
type = "service";
} else {
type = "proxy";
}
logger.info(
String.format(formatString, type, serviceTicket.getId(), service.getId(), principalId));
}
return serviceTicket.getId();
}
@Override
protected ModelAndView handleRequestInternal(
final HttpServletRequest request, final HttpServletResponse response) throws Exception {
final HttpSession session = request.getSession();
// get cas login service ticket
final String serviceTicketId = request.getParameter(OAuthConstants.TICKET);
LOGGER.debug("{} : {}", OAuthConstants.TICKET, serviceTicketId);
// first time this url is requested the login ticket will be a query parameter
if (serviceTicketId != null) {
// create the login ticket granting ticket
final ServiceTicket serviceTicket = (ServiceTicket) ticketRegistry.getTicket(serviceTicketId);
// login service ticket should be valid
if (serviceTicket == null || serviceTicket.isExpired()) {
LOGGER.error("Service Ticket expired : {}", serviceTicketId);
return OAuthUtils.writeTextError(
response, OAuthConstants.INVALID_GRANT, HttpStatus.SC_BAD_REQUEST);
}
final TicketGrantingTicket ticketGrantingTicket = serviceTicket.getGrantingTicket();
// remove login service ticket
ticketRegistry.deleteTicket(serviceTicket.getId());
// store the login tgt id in the user's session, used to create service tickets for validation
// and
// oauth credentials later in the flow.
session.setAttribute(OAuthConstants.OAUTH20_LOGIN_TICKET_ID, ticketGrantingTicket.getId());
// redirect back to self, clears the service ticket from the url, allows the url to be
// requested multiple
// times w/o error
return OAuthUtils.redirectTo(request.getRequestURL().toString());
}
// get cas login service ticket from the session
String ticketGrantingTicketId =
(String) session.getAttribute(OAuthConstants.OAUTH20_LOGIN_TICKET_ID);
LOGGER.debug("{} : {}", OAuthConstants.TICKET, ticketGrantingTicketId);
if (StringUtils.isBlank(ticketGrantingTicketId)) {
LOGGER.error("Missing Ticket Granting Ticket");
return OAuthUtils.writeTextError(
response, OAuthConstants.INVALID_GRANT, HttpStatus.SC_BAD_REQUEST);
}
// verify the login ticket granting ticket is still valid
TicketGrantingTicket ticketGrantingTicket =
(TicketGrantingTicket) ticketRegistry.getTicket(ticketGrantingTicketId);
if (ticketGrantingTicket == null || ticketGrantingTicket.isExpired()) {
LOGGER.error("Ticket Granting Ticket expired : {}", ticketGrantingTicketId);
return OAuthUtils.writeTextError(
response, OAuthConstants.INVALID_GRANT, HttpStatus.SC_BAD_REQUEST);
}
String callbackUrl =
request
.getRequestURL()
.toString()
.replace(
"/" + OAuthConstants.CALLBACK_AUTHORIZE_URL,
"/" + OAuthConstants.CALLBACK_AUTHORIZE_ACTION_URL);
LOGGER.debug("{} : {}", OAuthConstants.CALLBACK_AUTHORIZE_ACTION_URL, callbackUrl);
String allowCallbackUrl =
OAuthUtils.addParameter(
callbackUrl,
OAuthConstants.OAUTH20_APPROVAL_PROMPT_ACTION,
OAuthConstants.OAUTH20_APPROVAL_PROMPT_ACTION_ALLOW);
final Map<String, Object> model = new HashMap<>();
model.put("callbackUrl", callbackUrl);
final Boolean bypassApprovalPrompt =
(Boolean) session.getAttribute(OAuthConstants.BYPASS_APPROVAL_PROMPT);
LOGGER.debug("bypassApprovalPrompt : {}", bypassApprovalPrompt);
if (bypassApprovalPrompt != null && bypassApprovalPrompt) {
return OAuthUtils.redirectTo(allowCallbackUrl);
}
final String clientId = (String) session.getAttribute(OAuthConstants.OAUTH20_CLIENT_ID);
LOGGER.debug("{} : {}", OAuthConstants.CLIENT_ID, clientId);
final Principal loginPrincipal = ticketGrantingTicket.getAuthentication().getPrincipal();
final String approvalPrompt =
(String) session.getAttribute(OAuthConstants.OAUTH20_APPROVAL_PROMPT);
LOGGER.debug("approvalPrompt : {}", approvalPrompt);
if (StringUtils.isBlank(approvalPrompt)
|| !approvalPrompt.equalsIgnoreCase(OAuthConstants.APPROVAL_PROMPT_FORCE)) {
final TicketGrantingTicket refreshToken =
OAuthTokenUtils.getRefreshToken(centralAuthenticationService, clientId, loginPrincipal);
if (refreshToken != null) {
return OAuthUtils.redirectTo(allowCallbackUrl);
}
}
// retrieve service name from session
final String serviceName = (String) session.getAttribute(OAuthConstants.OAUTH20_SERVICE_NAME);
LOGGER.debug("serviceName : {}", serviceName);
model.put("serviceName", serviceName);
return new ModelAndView(OAuthConstants.CONFIRM_VIEW, model);
}