001/*
002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the Eclipse Public License v1.0
006 * which accompanies this distribution, and is available at
007 * http://www.eclipse.org/legal/epl-v10.html
008 *
009 * Contributors:
010 *     Florent Guillaume
011 */
012package org.nuxeo.ecm.core.opencmis.bindings;
013
014import java.util.Map;
015
016import javax.security.auth.login.LoginContext;
017import javax.security.auth.login.LoginException;
018import javax.servlet.http.HttpServletRequest;
019import javax.xml.ws.handler.MessageContext;
020import javax.xml.ws.handler.MessageContext.Scope;
021import javax.xml.ws.handler.soap.SOAPMessageContext;
022
023import org.apache.chemistry.opencmis.commons.enums.CmisVersion;
024import org.apache.chemistry.opencmis.commons.server.CallContext;
025import org.apache.chemistry.opencmis.server.impl.webservices.AbstractService;
026import org.apache.chemistry.opencmis.server.impl.webservices.CmisWebServicesServlet;
027import org.apache.commons.logging.Log;
028import org.apache.commons.logging.LogFactory;
029import org.nuxeo.runtime.api.Framework;
030import org.nuxeo.runtime.api.login.Authenticator;
031
032/**
033 * SOAP handler that extracts authentication information from the SOAP headers and propagates it to Nuxeo for login.
034 */
035public class NuxeoCmisAuthHandler extends CXFAuthHandler implements LoginProvider {
036
037    public static final String NUXEO_LOGIN_CONTEXT = "nuxeo.opencmis.LoginContext";
038
039    private static final Log log = LogFactory.getLog(NuxeoCmisAuthHandler.class);
040
041    protected LoginProvider loginProvider;
042
043    @Override
044    public boolean handleMessage(SOAPMessageContext context) {
045        boolean res = super.handleMessage(context);
046
047        HttpServletRequest request = (HttpServletRequest) context.get(MessageContext.SERVLET_REQUEST);
048        request.setAttribute(CmisWebServicesServlet.CMIS_VERSION, CmisVersion.CMIS_1_1);
049
050        @SuppressWarnings("unchecked")
051        Map<String, String> callContextMap = (Map<String, String>) context.get(AbstractService.CALL_CONTEXT_MAP);
052        if (callContextMap != null) {
053            // login to Nuxeo
054            String username = callContextMap.get(CallContext.USERNAME);
055            String password = callContextMap.get(CallContext.PASSWORD);
056            try {
057                LoginContext loginContext = getLoginProvider().login(username, password);
058                // store in message context, for later logout
059                context.put(NUXEO_LOGIN_CONTEXT, loginContext);
060                context.setScope(NUXEO_LOGIN_CONTEXT, Scope.APPLICATION);
061            } catch (LoginException e) {
062                throw new RuntimeException("Login failed for user '" + username + "'", e);
063            }
064        }
065        return res;
066    }
067
068    @Override
069    public void close(MessageContext context) {
070        LoginContext loginContext = (LoginContext) context.get(NUXEO_LOGIN_CONTEXT);
071        if (loginContext != null) {
072            try {
073                loginContext.logout();
074            } catch (LoginException e) {
075                log.error("Cannot logout", e);
076            }
077        }
078        super.close(context);
079    }
080
081    protected LoginProvider getLoginProvider() {
082        if (loginProvider == null) {
083            loginProvider = this;
084            String className = Framework.getProperty(LoginProvider.class.getName());
085            if (className != null) {
086                try {
087                    Object instance = Class.forName(className).newInstance();
088                    if (instance instanceof LoginProvider) {
089                        loginProvider = (LoginProvider) instance;
090                    } else {
091                        log.error(className + " is not an instance of " + LoginProvider.class.getName());
092                    }
093                } catch (ReflectiveOperationException e) {
094                    log.error(e);
095                }
096            }
097        }
098        return loginProvider;
099    }
100
101    // LoginProvider
102    @Override
103    public LoginContext login(String username, String password) {
104        try {
105            // check identity against UserManager
106            if (!getAuthenticator().checkUsernamePassword(username, password)) {
107                throw new RuntimeException("Authentication failed for user '" + username + "'");
108            }
109            // login to Nuxeo framework
110            return Framework.login(username, password);
111        } catch (LoginException e) {
112            throw new RuntimeException("Login failed for user '" + username + "'", e);
113        }
114    }
115
116    protected static Authenticator getAuthenticator() {
117        return Framework.getService(Authenticator.class);
118    }
119
120}