UserAdminLoginModule.java

   1 package org.argeo.cms.auth;
   2
   3 import java.io.IOException;
   4 import java.util.Locale;
   5 import java.util.Map;
   6
   7 import javax.security.auth.Subject;
   8 import javax.security.auth.callback.Callback;
   9 import javax.security.auth.callback.CallbackHandler;
  10 import javax.security.auth.callback.LanguageCallback;
  11 import javax.security.auth.callback.NameCallback;
  12 import javax.security.auth.callback.PasswordCallback;
  13 import javax.security.auth.callback.UnsupportedCallbackException;
  14 import javax.security.auth.login.CredentialNotFoundException;
  15 import javax.security.auth.login.FailedLoginException;
  16 import javax.security.auth.login.LoginException;
  17 import javax.security.auth.spi.LoginModule;
  18
  19 import org.argeo.cms.CmsException;
  20 import org.argeo.eclipse.ui.specific.UiContext;
  21 import org.osgi.framework.BundleContext;
  22 import org.osgi.framework.FrameworkUtil;
  23 import org.osgi.service.useradmin.Authorization;
  24 import org.osgi.service.useradmin.User;
  25 import org.osgi.service.useradmin.UserAdmin;
  26
  27 public class UserAdminLoginModule implements LoginModule, AuthConstants {
  28         private Subject subject;
  29         private CallbackHandler callbackHandler;
  30         private Map<String, Object> sharedState = null;
  31
  32         private boolean isAnonymous = false;
  33
  34         // private state
  35         private BundleContext bc;
  36         private Authorization authorization;
  37
  38         @SuppressWarnings("unchecked")
  39         @Override
  40         public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState,
  41                         Map<String, ?> options) {
  42                 this.subject = subject;
  43                 try {
  44                         bc = FrameworkUtil.getBundle(UserAdminLoginModule.class).getBundleContext();
  45                         assert bc != null;
  46                         // this.subject = subject;
  47                         this.callbackHandler = callbackHandler;
  48                         this.sharedState = (Map<String, Object>) sharedState;
  49                         if (options.containsKey("anonymous"))
  50                                 isAnonymous = Boolean.parseBoolean(options.get("anonymous").toString());
  51                 } catch (Exception e) {
  52                         throw new CmsException("Cannot initialize login module", e);
  53                 }
  54         }
  55
  56         @Override
  57         public boolean login() throws LoginException {
  58                 UserAdmin userAdmin = bc.getService(bc.getServiceReference(UserAdmin.class));
  59                 if (isAnonymous) {
  60                         authorization = userAdmin.getAuthorization(null);
  61                 } else {
  62                         // ask for username and password
  63                         NameCallback nameCallback = new NameCallback("User");
  64                         PasswordCallback passwordCallback = new PasswordCallback("Password", false);
  65                         LanguageCallback langCallback = new LanguageCallback();
  66                         try {
  67                                 callbackHandler.handle(new Callback[] { nameCallback, passwordCallback, langCallback });
  68                         } catch (IOException e) {
  69                                 throw new LoginException("Cannot handle callback: " + e.getMessage());
  70                                 // } catch (ThreadDeath e) {
  71                                 // throw new ThreadDeathLoginException("Callbackhandler thread
  72                                 // died", e);
  73                         } catch (UnsupportedCallbackException e) {
  74                                 return false;
  75                         }
  76
  77                         // i18n
  78                         Locale locale = langCallback.getLocale();
  79                         if (locale == null)
  80                                 locale = Locale.getDefault();
  81                         UiContext.setLocale(locale);
  82
  83                         authorization = (Authorization) sharedState.get(SHARED_STATE_AUTHORIZATION);
  84
  85                         if (authorization == null) {
  86                                 // create credentials
  87                                 final String username = nameCallback.getName();
  88                                 if (username == null || username.trim().equals("")) {
  89                                         // authorization = userAdmin.getAuthorization(null);
  90                                         throw new CredentialNotFoundException("No credentials provided");
  91                                 } else {
  92                                         char[] password = {};
  93                                         if (passwordCallback.getPassword() != null)
  94                                                 password = passwordCallback.getPassword();
  95                                         else
  96                                                 throw new CredentialNotFoundException("No credentials provided");
  97
  98                                         User user = userAdmin.getUser(null, username);
  99                                         if (user == null)
 100                                                 throw new FailedLoginException("Invalid credentials");
 101                                         if (!user.hasCredential(null, password))
 102                                                 throw new FailedLoginException("Invalid credentials");
 103                                         // return false;
 104
 105                                         // Log and monitor new login
 106                                         // if (log.isDebugEnabled())
 107                                         // log.debug("Logged in to CMS with username [" + username +
 108                                         // "]");
 109
 110                                         authorization = userAdmin.getAuthorization(user);
 111                                 }
 112                         }
 113                 }
 114                 if (!sharedState.containsKey(SHARED_STATE_AUTHORIZATION))
 115                         sharedState.put(SHARED_STATE_AUTHORIZATION, authorization);
 116                 return authorization != null;
 117         }
 118
 119         @Override
 120         public boolean commit() throws LoginException {
 121                 // Set<KerberosPrincipal> kerberosPrincipals =
 122                 // subject.getPrincipals(KerberosPrincipal.class);
 123                 // if (kerberosPrincipals.size() != 0) {
 124                 // KerberosPrincipal kerberosPrincipal =
 125                 // kerberosPrincipals.iterator().next();
 126                 // System.out.println(kerberosPrincipal);
 127                 // UserAdmin userAdmin =
 128                 // bc.getService(bc.getServiceReference(UserAdmin.class));
 129                 // User user = userAdmin.getUser(null, kerberosPrincipal.getName());
 130                 // Authorization authorization = userAdmin.getAuthorization(user);
 131                 // sharedState.put(SHARED_STATE_AUTHORIZATION, authorization);
 132                 // }
 133                 if (authorization == null) {
 134                         return false;
 135                         // throw new LoginException("Authorization should not be null");
 136                 } else {
 137                         CmsAuthUtils.addAuthentication(subject, authorization);
 138                         return true;
 139                 }
 140         }
 141
 142         @Override
 143         public boolean abort() throws LoginException {
 144                 authorization = null;
 145                 return true;
 146         }
 147
 148         @Override
 149         public boolean logout() throws LoginException {
 150                 CmsAuthUtils.cleanUp(subject);
 151                 return true;
 152         }
 153 }