01: /**********************************************************************************
02: * $URL: https://source.sakaiproject.org/svn/sections/tags/sakai_2-4-1/sections-impl/standalone/src/java/org/sakaiproject/component/section/facade/impl/standalone/AuthnStandaloneImpl.java $
03: * $Id: AuthnStandaloneImpl.java 18134 2006-11-14 18:59:25Z jholtzman@berkeley.edu $
04: ***********************************************************************************
05: *
06: * Copyright (c) 2005, 2006 The Regents of the University of California and The Regents of the University of Michigan
07: *
08: * Licensed under the Educational Community License, Version 1.0 (the "License");
09: * you may not use this file except in compliance with the License.
10: * You may obtain a copy of the License at
11: *
12: * http://www.opensource.org/licenses/ecl1.php
13: *
14: * Unless required by applicable law or agreed to in writing, software
15: * distributed under the License is distributed on an "AS IS" BASIS,
16: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17: * See the License for the specific language governing permissions and
18: * limitations under the License.
19: *
20: **********************************************************************************/package org.sakaiproject.component.section.facade.impl.standalone;
21:
22: import javax.faces.context.FacesContext;
23: import javax.servlet.http.HttpServletRequest;
24: import javax.servlet.http.HttpSession;
25:
26: import org.sakaiproject.section.api.facade.manager.Authn;
27:
28: /**
29: * Standalone implementation of Authn, using the HttpSession to store current
30: * authentication credentials.
31: *
32: * @author <a href="jholtzman@berkeley.edu">Josh Holtzman</a>
33: */
34: public class AuthnStandaloneImpl implements Authn {
35: public static final String USER_NAME = "username";
36:
37: /**
38: * @see org.sakaiproject.section.api.facade.managers.Authn#getUserUid()
39: */
40: public String getUserUid(Object request) {
41: HttpSession session = null;
42: if (request == null) {
43: session = (HttpSession) FacesContext.getCurrentInstance()
44: .getExternalContext().getSession(true);
45: } else {
46: session = ((HttpServletRequest) request).getSession();
47: }
48: return (String) session.getAttribute(USER_NAME);
49: }
50:
51: }
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