Jake Slack | 03928ae | 2014-05-13 18:41:56 -0700 | [diff] [blame] | 1 | // |
| 2 | // ======================================================================== |
| 3 | // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
| 4 | // ------------------------------------------------------------------------ |
| 5 | // All rights reserved. This program and the accompanying materials |
| 6 | // are made available under the terms of the Eclipse Public License v1.0 |
| 7 | // and Apache License v2.0 which accompanies this distribution. |
| 8 | // |
| 9 | // The Eclipse Public License is available at |
| 10 | // http://www.eclipse.org/legal/epl-v10.html |
| 11 | // |
| 12 | // The Apache License v2.0 is available at |
| 13 | // http://www.opensource.org/licenses/apache2.0.php |
| 14 | // |
| 15 | // You may elect to redistribute this code under either of these licenses. |
| 16 | // ======================================================================== |
| 17 | // |
| 18 | |
| 19 | package org.eclipse.jetty.security; |
| 20 | |
| 21 | import java.util.Properties; |
| 22 | |
| 23 | import javax.security.auth.Subject; |
| 24 | |
| 25 | import org.eclipse.jetty.server.UserIdentity; |
| 26 | import org.eclipse.jetty.util.component.AbstractLifeCycle; |
| 27 | import org.eclipse.jetty.util.log.Log; |
| 28 | import org.eclipse.jetty.util.log.Logger; |
| 29 | import org.eclipse.jetty.util.resource.Resource; |
| 30 | import org.eclipse.jetty.util.security.B64Code; |
| 31 | import org.ietf.jgss.GSSContext; |
| 32 | import org.ietf.jgss.GSSCredential; |
| 33 | import org.ietf.jgss.GSSException; |
| 34 | import org.ietf.jgss.GSSManager; |
| 35 | import org.ietf.jgss.GSSName; |
| 36 | import org.ietf.jgss.Oid; |
| 37 | |
| 38 | public class SpnegoLoginService extends AbstractLifeCycle implements LoginService |
| 39 | { |
| 40 | private static final Logger LOG = Log.getLogger(SpnegoLoginService.class); |
| 41 | |
| 42 | protected IdentityService _identityService;// = new LdapIdentityService(); |
| 43 | protected String _name; |
| 44 | private String _config; |
| 45 | |
| 46 | private String _targetName; |
| 47 | |
| 48 | public SpnegoLoginService() |
| 49 | { |
| 50 | |
| 51 | } |
| 52 | |
| 53 | public SpnegoLoginService( String name ) |
| 54 | { |
| 55 | setName(name); |
| 56 | } |
| 57 | |
| 58 | public SpnegoLoginService( String name, String config ) |
| 59 | { |
| 60 | setName(name); |
| 61 | setConfig(config); |
| 62 | } |
| 63 | |
| 64 | public String getName() |
| 65 | { |
| 66 | return _name; |
| 67 | } |
| 68 | |
| 69 | public void setName(String name) |
| 70 | { |
| 71 | if (isRunning()) |
| 72 | { |
| 73 | throw new IllegalStateException("Running"); |
| 74 | } |
| 75 | |
| 76 | _name = name; |
| 77 | } |
| 78 | |
| 79 | public String getConfig() |
| 80 | { |
| 81 | return _config; |
| 82 | } |
| 83 | |
| 84 | public void setConfig( String config ) |
| 85 | { |
| 86 | if (isRunning()) |
| 87 | { |
| 88 | throw new IllegalStateException("Running"); |
| 89 | } |
| 90 | |
| 91 | _config = config; |
| 92 | } |
| 93 | |
| 94 | |
| 95 | |
| 96 | @Override |
| 97 | protected void doStart() throws Exception |
| 98 | { |
| 99 | Properties properties = new Properties(); |
| 100 | Resource resource = Resource.newResource(_config); |
| 101 | properties.load(resource.getInputStream()); |
| 102 | |
| 103 | _targetName = properties.getProperty("targetName"); |
| 104 | |
| 105 | LOG.debug("Target Name {}", _targetName); |
| 106 | |
| 107 | super.doStart(); |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * username will be null since the credentials will contain all the relevant info |
| 112 | */ |
| 113 | public UserIdentity login(String username, Object credentials) |
| 114 | { |
| 115 | String encodedAuthToken = (String)credentials; |
| 116 | |
| 117 | byte[] authToken = B64Code.decode(encodedAuthToken); |
| 118 | |
| 119 | GSSManager manager = GSSManager.getInstance(); |
| 120 | try |
| 121 | { |
| 122 | Oid krb5Oid = new Oid("1.3.6.1.5.5.2"); // http://java.sun.com/javase/6/docs/technotes/guides/security/jgss/jgss-features.html |
| 123 | GSSName gssName = manager.createName(_targetName,null); |
| 124 | GSSCredential serverCreds = manager.createCredential(gssName,GSSCredential.INDEFINITE_LIFETIME,krb5Oid,GSSCredential.ACCEPT_ONLY); |
| 125 | GSSContext gContext = manager.createContext(serverCreds); |
| 126 | |
| 127 | if (gContext == null) |
| 128 | { |
| 129 | LOG.debug("SpnegoUserRealm: failed to establish GSSContext"); |
| 130 | } |
| 131 | else |
| 132 | { |
| 133 | while (!gContext.isEstablished()) |
| 134 | { |
| 135 | authToken = gContext.acceptSecContext(authToken,0,authToken.length); |
| 136 | } |
| 137 | if (gContext.isEstablished()) |
| 138 | { |
| 139 | String clientName = gContext.getSrcName().toString(); |
| 140 | String role = clientName.substring(clientName.indexOf('@') + 1); |
| 141 | |
| 142 | LOG.debug("SpnegoUserRealm: established a security context"); |
| 143 | LOG.debug("Client Principal is: " + gContext.getSrcName()); |
| 144 | LOG.debug("Server Principal is: " + gContext.getTargName()); |
| 145 | LOG.debug("Client Default Role: " + role); |
| 146 | |
| 147 | SpnegoUserPrincipal user = new SpnegoUserPrincipal(clientName,authToken); |
| 148 | |
| 149 | Subject subject = new Subject(); |
| 150 | subject.getPrincipals().add(user); |
| 151 | |
| 152 | return _identityService.newUserIdentity(subject,user, new String[]{role}); |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | } |
| 157 | catch (GSSException gsse) |
| 158 | { |
| 159 | LOG.warn(gsse); |
| 160 | } |
| 161 | |
| 162 | return null; |
| 163 | } |
| 164 | |
| 165 | public boolean validate(UserIdentity user) |
| 166 | { |
| 167 | return false; |
| 168 | } |
| 169 | |
| 170 | public IdentityService getIdentityService() |
| 171 | { |
| 172 | return _identityService; |
| 173 | } |
| 174 | |
| 175 | public void setIdentityService(IdentityService service) |
| 176 | { |
| 177 | _identityService = service; |
| 178 | } |
| 179 | |
| 180 | public void logout(UserIdentity user) { |
| 181 | // TODO Auto-generated method stub |
| 182 | |
| 183 | } |
| 184 | |
| 185 | } |