@Override
public HttpHandler createHttpHandler(Predicate predicate, final HttpHandler next) {
// this is a bit of a hack at the moment. Basically we only want to create a single mod_cluster
// instance
// not matter how many filter refs use it, also mod_cluster at this point has no way
// to specify the next handler. To get around this we invoke the mod_proxy handler
// and then if it has not dispatched or handled the request then we know that we can
// just pass it on to the next handler
final HttpHandler mcmp =
managementAccessPredicate != null
? Handlers.predicate(managementAccessPredicate, config.create(modCluster, next), next)
: config.create(modCluster, next);
final HttpHandler proxyHandler = modCluster.getProxyHandler();
HttpHandler theHandler =
new HttpHandler() {
@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
proxyHandler.handleRequest(exchange);
if (!exchange.isDispatched() && !exchange.isComplete()) {
exchange.setResponseCode(200);
mcmp.handleRequest(exchange);
}
}
};
UndertowLogger.ROOT_LOGGER.debug("HttpHandler for mod_cluster MCMP created.");
if (predicate != null) {
return new PredicateHandler(predicate, theHandler, next);
} else {
return theHandler;
}
}
private HttpHandler setupSecurityHandlers(HttpHandler initialHandler) {
final DeploymentInfo deploymentInfo = super.getDeployment().getDeploymentInfo();
final LoginConfig loginConfig = deploymentInfo.getLoginConfig();
final Map<String, AuthenticationMechanismFactory> factoryMap =
new HashMap<>(deploymentInfo.getAuthenticationMechanisms());
if (!factoryMap.containsKey(BASIC_AUTH)) {
factoryMap.put(BASIC_AUTH, BasicAuthenticationMechanism.FACTORY);
}
if (!factoryMap.containsKey(FORM_AUTH)) {
factoryMap.put(FORM_AUTH, ServletFormAuthenticationMechanism.FACTORY);
}
if (!factoryMap.containsKey(DIGEST_AUTH)) {
factoryMap.put(DIGEST_AUTH, DigestAuthenticationMechanism.FACTORY);
}
if (!factoryMap.containsKey(CLIENT_CERT_AUTH)) {
factoryMap.put(CLIENT_CERT_AUTH, ClientCertAuthenticationMechanism.FACTORY);
}
if (!factoryMap.containsKey(ExternalAuthenticationMechanism.NAME)) {
factoryMap.put(ExternalAuthenticationMechanism.NAME, ExternalAuthenticationMechanism.FACTORY);
}
HttpHandler current = initialHandler;
current = new SSLInformationAssociationHandler(current);
final SecurityPathMatches securityPathMatches = buildSecurityConstraints();
current = new ServletAuthenticationCallHandler(current);
if (deploymentInfo.isDisableCachingForSecuredPages()) {
current =
Handlers.predicate(Predicates.authRequired(), Handlers.disableCache(current), current);
}
if (!securityPathMatches.isEmpty()) {
current = new ServletAuthenticationConstraintHandler(current);
}
current =
new ServletConfidentialityConstraintHandler(
deploymentInfo.getConfidentialPortManager(), current);
if (!securityPathMatches.isEmpty()) {
current = new ServletSecurityConstraintHandler(securityPathMatches, current);
}
List<AuthenticationMechanism> authenticationMechanisms = new LinkedList<>();
authenticationMechanisms.add(
new CachedAuthenticatedSessionMechanism()); // TODO: does this really need to be hard coded?
String mechName = null;
if (loginConfig != null || deploymentInfo.getJaspiAuthenticationMechanism() != null) {
// we don't allow multipart requests, and always use the default encoding
FormParserFactory parser =
FormParserFactory.builder(false)
.addParser(
new FormEncodedDataDefinition()
.setDefaultEncoding(deploymentInfo.getDefaultEncoding()))
.build();
List<AuthMethodConfig> authMethods = Collections.<AuthMethodConfig>emptyList();
if (loginConfig != null) {
authMethods = loginConfig.getAuthMethods();
}
for (AuthMethodConfig method : authMethods) {
AuthenticationMechanismFactory factory = factoryMap.get(method.getName());
if (factory == null) {
throw UndertowServletMessages.MESSAGES.unknownAuthenticationMechanism(method.getName());
}
if (mechName == null) {
mechName = method.getName();
}
final Map<String, String> properties = new HashMap<>();
properties.put(
AuthenticationMechanismFactory.CONTEXT_PATH, deploymentInfo.getContextPath());
properties.put(AuthenticationMechanismFactory.REALM, loginConfig.getRealmName());
properties.put(AuthenticationMechanismFactory.ERROR_PAGE, loginConfig.getErrorPage());
properties.put(AuthenticationMechanismFactory.LOGIN_PAGE, loginConfig.getLoginPage());
properties.putAll(method.getProperties());
String name = method.getName().toUpperCase(Locale.US);
// The mechanism name is passed in from the HttpServletRequest interface as the name
// reported needs to be
// comparable using '=='
name = name.equals(FORM_AUTH) ? FORM_AUTH : name;
name = name.equals(BASIC_AUTH) ? BASIC_AUTH : name;
name = name.equals(DIGEST_AUTH) ? DIGEST_AUTH : name;
name = name.equals(CLIENT_CERT_AUTH) ? CLIENT_CERT_AUTH : name;
authenticationMechanisms.add(factory.create(name, parser, properties));
}
}
((DeploymentImpl) super.getDeployment()).setAuthenticationMechanisms(authenticationMechanisms);
// if the JASPI auth mechanism is set then it takes over
if (deploymentInfo.getJaspiAuthenticationMechanism() == null) {
current = new AuthenticationMechanismsHandler(current, authenticationMechanisms);
} else {
current =
new AuthenticationMechanismsHandler(
current,
Collections.<AuthenticationMechanism>singletonList(
deploymentInfo.getJaspiAuthenticationMechanism()));
}
current =
new CachedAuthenticatedSessionHandler(current, super.getDeployment().getServletContext());
List<NotificationReceiver> notificationReceivers = deploymentInfo.getNotificationReceivers();
if (!notificationReceivers.isEmpty()) {
current = new NotificationReceiverHandler(current, notificationReceivers);
}
// TODO - A switch to constraint driven could be configurable, however before we can support
// that with servlets we would
// need additional tracking within sessions if a servlet has specifically requested that
// authentication occurs.
SecurityContextFactory contextFactory = deploymentInfo.getSecurityContextFactory();
if (contextFactory == null) {
contextFactory = SecurityContextFactoryImpl.INSTANCE;
}
current =
new SecurityInitialHandler(
AuthenticationMode.PRO_ACTIVE,
deploymentInfo.getIdentityManager(),
mechName,
contextFactory,
current);
return current;
}