org.argeo.cms/src/org/argeo/cms/auth/AnonymousLoginModule.java

   1 package org.argeo.cms.auth;
   2
   3 import java.util.Locale;
   4 import java.util.Map;
   5
   6 import javax.security.auth.Subject;
   7 import javax.security.auth.callback.CallbackHandler;
   8 import javax.security.auth.login.LoginException;
   9 import javax.security.auth.spi.LoginModule;
  10
  11 import org.argeo.api.cms.CmsLog;
  12 import org.osgi.framework.BundleContext;
  13 import org.osgi.framework.FrameworkUtil;
  14 import org.osgi.service.useradmin.Authorization;
  15 import org.osgi.service.useradmin.UserAdmin;
  16
  17 /** Anonymous CMS user */
  18 public class AnonymousLoginModule implements LoginModule {
  19         private final static CmsLog log = CmsLog.getLog(AnonymousLoginModule.class);
  20
  21         private Subject subject;
  22         private Map<String, Object> sharedState = null;
  23
  24         // private state
  25         private BundleContext bc;
  26
  27         @SuppressWarnings("unchecked")
  28         @Override
  29         public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState,
  30                         Map<String, ?> options) {
  31                 this.subject = subject;
  32                 this.sharedState = (Map<String, Object>) sharedState;
  33                 try {
  34                         bc = FrameworkUtil.getBundle(AnonymousLoginModule.class).getBundleContext();
  35                         assert bc != null;
  36                 } catch (Exception e) {
  37                         throw new IllegalStateException("Cannot initialize login module", e);
  38                 }
  39         }
  40
  41         @Override
  42         public boolean login() throws LoginException {
  43                 return true;
  44         }
  45
  46         @Override
  47         public boolean commit() throws LoginException {
  48                 UserAdmin userAdmin = bc.getService(bc.getServiceReference(UserAdmin.class));
  49                 Authorization authorization = userAdmin.getAuthorization(null);
  50                 RemoteAuthRequest request = (RemoteAuthRequest) sharedState.get(CmsAuthUtils.SHARED_STATE_HTTP_REQUEST);
  51                 Locale locale = Locale.getDefault();
  52                 if (request != null)
  53                         locale = request.getLocale();
  54                 CmsAuthUtils.addAuthorization(subject, authorization);
  55                 CmsAuthUtils.registerSessionAuthorization(request, subject, authorization, locale);
  56                 if (log.isTraceEnabled())
  57                         log.trace("Anonymous logged in to CMS: " + subject);
  58                 return true;
  59         }
  60
  61         @Override
  62         public boolean abort() throws LoginException {
  63                 return true;
  64         }
  65
  66         @Override
  67         public boolean logout() throws LoginException {
  68                 if (log.isTraceEnabled())
  69                         log.trace("Logging out anonymous from CMS... " + subject);
  70                 CmsAuthUtils.cleanUp(subject);
  71                 return true;
  72         }
  73 }