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.opensaml.util.URLBuilder;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
27
28 import edu.internet2.middleware.shibboleth.idp.util.HttpServletHelper;
29
30 /**
31 * Authenticate a username and password against a JAAS source.
32 *
33 * This login handler creates a {@link javax.security.auth.Subject} and binds it to the request as described in the
34 * {@link edu.internet2.middleware.shibboleth.idp.authn.LoginHandler} documentation. If the JAAS module does not create
35 * a principal for the user a {@link edu.internet2.middleware.shibboleth.idp.authn.UsernamePrincipal} is created, using the
36 * entered username. If the <code>storeCredentialsInSubject</code> init parameter of the authentication servlet is set
37 * to true a {@link UsernamePasswordCredential} is created, based on the entered username and password, and stored in
38 * the Subject's private credentials.
39 */
40 public class UsernamePasswordLoginHandler extends AbstractLoginHandler {
41
42 /** Class logger. */
43 private final Logger log = LoggerFactory.getLogger(UsernamePasswordLoginHandler.class);
44
45 /** The URL of the servlet used to perform authentication. */
46 private String authenticationServletURL;
47
48 /**
49 * Constructor.
50 *
51 * @param servletURL URL to the authentication servlet
52 */
53 public UsernamePasswordLoginHandler(String servletURL) {
54 super();
55 setSupportsPassive(false);
56 setSupportsForceAuthentication(true);
57 authenticationServletURL = servletURL;
58 }
59
60 /** {@inheritDoc} */
61 public void login(final HttpServletRequest httpRequest, final HttpServletResponse httpResponse) {
62 // forward control to the servlet.
63 try {
64 URLBuilder urlBuilder = HttpServletHelper.getServletContextUrl(httpRequest);
65
66 StringBuilder pathBuilder = new StringBuilder(urlBuilder.getPath());
67 if (!authenticationServletURL.startsWith("/")) {
68 pathBuilder.append("/");
69 }
70 pathBuilder.append(authenticationServletURL);
71 urlBuilder.setPath(pathBuilder.toString());
72
73 log.debug("Redirecting to {}", urlBuilder.buildURL());
74 httpResponse.sendRedirect(urlBuilder.buildURL());
75 return;
76 } catch (IOException ex) {
77 log.error("Unable to redirect to authentication servlet.", ex);
78 }
79
80 }
81 }