/*
* JBoss, a division of Red Hat
* Copyright 2013, Red Hat Middleware, LLC, and individual
* contributors as indicated by the @authors tag. See the
* copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.gatein.security.oauth.jaas;
import java.lang.reflect.Method;
import javax.security.auth.login.LoginException;
import javax.servlet.http.HttpServletRequest;
import org.exoplatform.container.ExoContainer;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.exoplatform.services.organization.User;
import org.exoplatform.services.security.Authenticator;
import org.exoplatform.services.security.Identity;
import org.exoplatform.services.security.UsernameCredential;
import org.exoplatform.services.security.jaas.AbstractLoginModule;
import org.exoplatform.web.security.AuthenticationRegistry;
import org.gatein.security.oauth.common.OAuthConstants;
import org.gatein.security.oauth.spi.OAuthProviderTypeRegistry;
/**
* JAAS login module to finish Authentication after successfully finished OAuth workflow
*
* @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
*/
public class OAuthLoginModule extends AbstractLoginModule {
private static final Log log = ExoLogger.getLogger(OAuthLoginModule.class);
/** JACC get context method. */
private static Method getContextMethod;
static {
try {
Class<?> policyContextClass = Thread.currentThread().getContextClassLoader().loadClass("javax.security.jacc.PolicyContext");
getContextMethod = policyContextClass.getDeclaredMethod("getContext", String.class);
} catch (ClassNotFoundException ignore) {
log.debug("JACC not found ignoring it", ignore);
} catch (Exception e) {
log.error("Could not obtain JACC get context method", e);
}
}
@Override
protected Log getLogger() {
return log;
}
@Override
public boolean login() throws LoginException {
try {
ExoContainer container = getContainer();
OAuthProviderTypeRegistry oauthRegistry = (OAuthProviderTypeRegistry)container.getComponentInstanceOfType(OAuthProviderTypeRegistry.class);
if (!oauthRegistry.isOAuthEnabled()) {
if (log.isTraceEnabled()) {
log.trace("OAuth is disabled. Ignoring this login module");
}
return false;
}
HttpServletRequest servletRequest = getCurrentHttpServletRequest();
if (servletRequest == null) {
log.debug("HttpServletRequest is null. OAuthLoginModule will be ignored.");
return false;
}
AuthenticationRegistry authRegistry = (AuthenticationRegistry)container.getComponentInstanceOfType(AuthenticationRegistry.class);
User portalUser = (User)authRegistry.getAttributeOfClient(servletRequest, OAuthConstants.ATTRIBUTE_AUTHENTICATED_PORTAL_USER_FOR_JAAS);
if (portalUser == null) {
// PortalUser could not be found
log.debug("OAuthLogin Failed. Credential Not Found!!");
return false;
}
String username = portalUser.getUserName();
establishSecurityContext(container, username);
if (log.isTraceEnabled()) {
log.trace("Successfully established security context for user " + username);
}
return true;
} catch (Exception e) {
if (log.isTraceEnabled()) {
log.trace("Exception in login module", e);
}
throw new LoginException("OAuth login failed due to exception: " + e.getClass() + ": " + e.getMessage());
}
}
@Override
public boolean commit() throws LoginException {
return true;
}
@Override
public boolean abort() throws LoginException {
return true;
}
@Override
public boolean logout() throws LoginException {
return true;
}
protected void establishSecurityContext(ExoContainer container, String username) throws Exception {
Authenticator authenticator = (Authenticator) container.getComponentInstanceOfType(Authenticator.class);
if (authenticator == null) {
throw new LoginException("No Authenticator component found, check your configuration");
}
Identity identity = authenticator.createIdentity(username);
sharedState.put("exo.security.identity", identity);
sharedState.put("javax.security.auth.login.name", username);
subject.getPublicCredentials().add(new UsernameCredential(username));
}
// Forked from SSOLoginModule
protected HttpServletRequest getCurrentHttpServletRequest() {
HttpServletRequest request = null;
// JBoss way
if (getContextMethod != null) {
try {
request = (HttpServletRequest)getContextMethod.invoke(null, "javax.servlet.http.HttpServletRequest");
} catch(Throwable e) {
log.error("LoginModule error. Turn off session credentials checking with proper configuration option of " +
"LoginModule set to false");
log.error(this, e);
}
} else {
// Tomcat way (Assumed that ServletAccessValve has been configured in context.xml)
try {
// TODO: improve this
Class<?> clazz = Thread.currentThread().getContextClassLoader().loadClass("org.gatein.sso.agent.tomcat.ServletAccess");
Method getRequestMethod = clazz.getDeclaredMethod("getRequest");
request = (HttpServletRequest)getRequestMethod.invoke(null);
} catch (Exception e) {
log.error("Unexpected exception when trying to obtain HttpServletRequest from ServletAccess thread-local", e);
}
}
if (log.isTraceEnabled()) {
log.trace("Returning HttpServletRequest " + request);
}
return request;
}
}