package org.jboss.resteasy.skeleton.key.as7;
import org.apache.catalina.Lifecycle;
import org.apache.catalina.LifecycleEvent;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.Session;
import org.apache.catalina.authenticator.Constants;
import org.apache.catalina.authenticator.FormAuthenticator;
import org.apache.catalina.connector.Request;
import org.apache.catalina.connector.Response;
import org.apache.catalina.core.StandardContext;
import org.apache.catalina.deploy.LoginConfig;
import org.apache.catalina.realm.GenericPrincipal;
import org.jboss.logging.Logger;
import org.jboss.resteasy.client.jaxrs.ResteasyClient;
import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder;
import org.jboss.resteasy.plugins.providers.RegisterBuiltin;
import org.jboss.resteasy.skeleton.key.RealmConfiguration;
import org.jboss.resteasy.skeleton.key.ResourceMetadata;
import org.jboss.resteasy.skeleton.key.SkeletonKeyPrincipal;
import org.jboss.resteasy.skeleton.key.SkeletonKeySession;
import org.jboss.resteasy.skeleton.key.as7.config.CatalinaManagedResourceConfigLoader;
import org.jboss.resteasy.skeleton.key.config.ManagedResourceConfig;
import org.jboss.resteasy.skeleton.key.config.ManagedResourceConfigLoader;
import org.jboss.resteasy.skeleton.key.representations.SkeletonKeyToken;
import org.jboss.resteasy.spi.ResteasyProviderFactory;
import javax.security.auth.login.LoginException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.core.UriBuilder;
import java.io.IOException;
import java.util.Map;
import java.util.Set;
/**
* Web deployment whose security is managed by a remote OAuth Skeleton Key authentication server
* <p/>
* Redirects browser to remote authentication server if not logged in. Also allows OAuth Bearer Token requests
* that contain a Skeleton Key bearer tokens.
*
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
public class OAuthManagedResourceValve extends FormAuthenticator implements LifecycleListener
{
protected RealmConfiguration realmConfiguration;
private static final Logger log = Logger.getLogger(OAuthManagedResourceValve.class);
protected UserSessionManagement userSessionManagement = new UserSessionManagement();
protected ManagedResourceConfig remoteSkeletonKeyConfig;
protected ResourceMetadata resourceMetadata;
@Override
public void start() throws LifecycleException
{
super.start();
StandardContext standardContext = (StandardContext) context;
standardContext.addLifecycleListener(this);
}
@Override
public void lifecycleEvent(LifecycleEvent event)
{
if (event.getType() == Lifecycle.AFTER_START_EVENT) init();
}
protected void init()
{
ManagedResourceConfigLoader managedResourceConfigLoader = new CatalinaManagedResourceConfigLoader(context);
resourceMetadata = managedResourceConfigLoader.getResourceMetadata();
remoteSkeletonKeyConfig = managedResourceConfigLoader.getRemoteSkeletonKeyConfig();
String client_id = remoteSkeletonKeyConfig.getClientId();
if (client_id == null)
{
throw new IllegalArgumentException("Must set client-id to use with auth server");
}
realmConfiguration = new RealmConfiguration();
String authUrl = remoteSkeletonKeyConfig.getAuthUrl();
if (authUrl == null)
{
throw new RuntimeException("You must specify auth-url");
}
String tokenUrl = remoteSkeletonKeyConfig.getCodeUrl();
if (tokenUrl == null)
{
throw new RuntimeException("You mut specify code-url");
}
realmConfiguration.setMetadata(resourceMetadata);
realmConfiguration.setClientId(client_id);
for (Map.Entry<String, String> entry : managedResourceConfigLoader.getRemoteSkeletonKeyConfig().getClientCredentials().entrySet())
{
realmConfiguration.getCredentials().param(entry.getKey(), entry.getValue());
}
int size = 10;
if (managedResourceConfigLoader.getRemoteSkeletonKeyConfig().getConnectionPoolSize() > 0)
size = managedResourceConfigLoader.getRemoteSkeletonKeyConfig().getConnectionPoolSize();
ResteasyClientBuilder.HostnameVerificationPolicy policy = ResteasyClientBuilder.HostnameVerificationPolicy.WILDCARD;
if (managedResourceConfigLoader.getRemoteSkeletonKeyConfig().isAllowAnyHostname())
policy = ResteasyClientBuilder.HostnameVerificationPolicy.ANY;
ResteasyProviderFactory providerFactory = new ResteasyProviderFactory();
ClassLoader old = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(OAuthManagedResourceValve.class.getClassLoader());
try
{
ResteasyProviderFactory.getInstance(); // initialize builtins
RegisterBuiltin.register(providerFactory);
}
finally
{
Thread.currentThread().setContextClassLoader(old);
}
ResteasyClient client = new ResteasyClientBuilder()
.providerFactory(providerFactory)
.connectionPoolSize(size)
.hostnameVerification(policy)
.trustStore(resourceMetadata.getTruststore())
.keyStore(resourceMetadata.getClientKeystore(), resourceMetadata.getClientKeyPassword())
.build();
realmConfiguration.setClient(client);
realmConfiguration.setAuthUrl(UriBuilder.fromUri(authUrl).queryParam("client_id", client_id));
realmConfiguration.setCodeUrl(client.target(tokenUrl));
}
@Override
public void invoke(Request request, Response response) throws IOException, ServletException
{
try
{
String requestURI = request.getDecodedRequestURI();
if (requestURI.endsWith("j_oauth_remote_logout"))
{
remoteLogout(request, response);
return;
}
super.invoke(request, response);
}
finally
{
ResteasyProviderFactory.clearContextData(); // to clear push of SkeletonKeySession
}
}
@Override
public boolean authenticate(Request request, HttpServletResponse response, LoginConfig config) throws IOException
{
try
{
if (bearer(false, request, response)) return true;
else if (checkLoggedIn(request, response))
{
if (request.getSessionInternal().getNote(Constants.FORM_REQUEST_NOTE) != null)
{
if (restoreRequest(request, request.getSessionInternal()))
{
log.debug("restoreRequest");
return (true);
}
else
{
log.debug("Restore of original request failed");
response.sendError(HttpServletResponse.SC_BAD_REQUEST);
return (false);
}
}
else
{
return true;
}
}
// initiate or continue oauth2 protocol
oauth(request, response);
}
catch (LoginException e)
{
}
return false;
}
protected void remoteLogout(Request request, HttpServletResponse response) throws IOException
{
try
{
log.debug("->> remoteLogout: ");
if (!bearer(true, request, response))
{
log.debug("remoteLogout: bearer auth failed");
return;
}
GenericPrincipal gp = (GenericPrincipal) request.getPrincipal();
if (!gp.hasRole(remoteSkeletonKeyConfig.getAdminRole()))
{
log.debug("remoteLogout: role failure");
response.sendError(403);
return;
}
String user = request.getParameter("user");
if (user != null)
{
userSessionManagement.logout(user);
}
else
{
userSessionManagement.logoutAll();
}
}
catch (Exception e)
{
log.error("failed to logout", e);
}
response.setStatus(204);
}
protected boolean bearer(boolean challenge, Request request, HttpServletResponse response) throws LoginException, IOException
{
CatalinaBearerTokenAuthenticator bearer = new CatalinaBearerTokenAuthenticator(realmConfiguration.getMetadata(), !remoteSkeletonKeyConfig.isCancelPropagation(), challenge);
if (bearer.login(request, response))
{
return true;
}
return false;
}
protected boolean checkLoggedIn(Request request, HttpServletResponse response)
{
if (request.getSessionInternal() == null || request.getSessionInternal().getPrincipal() == null)
return false;
log.debug("remote logged in already");
GenericPrincipal principal = (GenericPrincipal) request.getSessionInternal().getPrincipal();
request.setUserPrincipal(principal);
request.setAuthType("OAUTH");
Session session = request.getSessionInternal();
if (session != null && !remoteSkeletonKeyConfig.isCancelPropagation())
{
SkeletonKeySession skSession = (SkeletonKeySession) session.getNote(SkeletonKeySession.class.getName());
if (skSession != null)
{
request.setAttribute(SkeletonKeySession.class.getName(), skSession);
ResteasyProviderFactory.pushContext(SkeletonKeySession.class, skSession);
}
}
return true;
}
/**
* This method always set the HTTP response, so do not continue after invoking
*/
protected void oauth(Request request, HttpServletResponse response) throws IOException
{
ServletOAuthLogin oauth = new ServletOAuthLogin(realmConfiguration, request, response, request.getConnector().getRedirectPort());
String code = oauth.getCode();
if (code == null)
{
String error = oauth.getError();
if (error != null)
{
response.sendError(400, "OAuth " + error);
return;
}
else
{
saveRequest(request, request.getSessionInternal(true));
oauth.loginRedirect();
}
return;
}
else
{
if (!oauth.resolveCode(code)) return;
SkeletonKeyToken token = oauth.getToken();
Set<String> roles = null;
if (resourceMetadata.getResourceName() != null)
{
SkeletonKeyToken.Access access = token.getResourceAccess(resourceMetadata.getResourceName());
if (access != null) roles = access.getRoles();
}
else
{
SkeletonKeyToken.Access access = token.getRealmAccess();
if (access != null) roles = access.getRoles();
}
SkeletonKeyPrincipal skp = new SkeletonKeyPrincipal(token.getPrincipal(), null);
GenericPrincipal principal = new CatalinaSecurityContextHelper().createPrincipal(context.getRealm(), skp, roles);
Session session = request.getSessionInternal(true);
session.setPrincipal(principal);
session.setAuthType("OAUTH");
if (!remoteSkeletonKeyConfig.isCancelPropagation())
{
SkeletonKeySession skSession = new SkeletonKeySession(oauth.getTokenString(), realmConfiguration.getMetadata());
session.setNote(SkeletonKeySession.class.getName(), skSession);
}
String username = token.getPrincipal();
log.debug("userSessionManage.login: " + username);
userSessionManagement.login(session, username);
}
}
}