1 /*
2 * Copyright 2006 University Corporation for Advanced Internet Development, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package edu.internet2.middleware.shibboleth.idp.authn.provider;
18
19 import java.io.IOException;
20
21 import javax.servlet.http.HttpServletRequest;
22 import javax.servlet.http.HttpServletResponse;
23
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
26
27 import edu.internet2.middleware.shibboleth.idp.util.HttpServletHelper;
28
29 /**
30 * Authenticate a username and password against a JAAS source.
31 *
32 * This login handler creates a {@link javax.security.auth.Subject} and binds it to the request as described in the
33 * {@link edu.internet2.middleware.shibboleth.idp.authn.LoginHandler} documentation. If the JAAS module does not create
34 * a principal for the user a {@link edu.internet2.middleware.shibboleth.idp.authn.UsernamePrincipal} is created, using
35 * the entered username. If the <code>storeCredentialsInSubject</code> init parameter of the authentication servlet is
36 * set to true a {@link UsernamePasswordCredential} is created, based on the entered username and password, and stored
37 * in the Subject's private credentials.
38 */
39 public class UsernamePasswordLoginHandler extends AbstractLoginHandler {
40
41 /** Class logger. */
42 private final Logger log = LoggerFactory.getLogger(UsernamePasswordLoginHandler.class);
43
44 /** The context-relative path of the servlet used to perform authentication. */
45 private String authenticationServletPath;
46
47 /**
48 * Constructor.
49 *
50 * @param servletPath context-relative path to the authentication servlet, may start with "/"
51 */
52 public UsernamePasswordLoginHandler(String servletPath) {
53 super();
54 setSupportsPassive(false);
55 setSupportsForceAuthentication(true);
56 authenticationServletPath = servletPath;
57 }
58
59 /** {@inheritDoc} */
60 public void login(final HttpServletRequest httpRequest, final HttpServletResponse httpResponse) {
61 // forward control to the servlet.
62 try {
63 String authnServletUrl = HttpServletHelper.getContextRelativeUrl(httpRequest, authenticationServletPath)
64 .buildURL();
65 log.debug("Redirecting to {}", authnServletUrl);
66 httpResponse.sendRedirect(authnServletUrl);
67 return;
68 } catch (IOException ex) {
69 log.error("Unable to redirect to authentication servlet.", ex);
70 }
71
72 }
73 }