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 import javax.servlet.http.HttpServletRequest;
  11
  12 import org.apache.commons.logging.Log;
  13 import org.apache.commons.logging.LogFactory;
  14 import org.osgi.framework.BundleContext;
  15 import org.osgi.framework.FrameworkUtil;
  16 import org.osgi.service.useradmin.Authorization;
  17 import org.osgi.service.useradmin.UserAdmin;
  18
  19 /** Anonymous CMS user */
  20 public class AnonymousLoginModule implements LoginModule {
  21         private final static Log log = LogFactory.getLog(AnonymousLoginModule.class);
  22
  23         private Subject subject;
  24         private Map<String, Object> sharedState = null;
  25
  26         // private state
  27         private BundleContext bc;
  28
  29         @SuppressWarnings("unchecked")
  30         @Override
  31         public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState,
  32                         Map<String, ?> options) {
  33                 this.subject = subject;
  34                 this.sharedState = (Map<String, Object>) sharedState;
  35                 try {
  36                         bc = FrameworkUtil.getBundle(AnonymousLoginModule.class).getBundleContext();
  37                         assert bc != null;
  38                 } catch (Exception e) {
  39                         throw new IllegalStateException("Cannot initialize login module", e);
  40                 }
  41         }
  42
  43         @Override
  44         public boolean login() throws LoginException {
  45                 return true;
  46         }
  47
  48         @Override
  49         public boolean commit() throws LoginException {
  50                 UserAdmin userAdmin = bc.getService(bc.getServiceReference(UserAdmin.class));
  51                 Authorization authorization = userAdmin.getAuthorization(null);
  52                 HttpServletRequest request = (HttpServletRequest) sharedState.get(CmsAuthUtils.SHARED_STATE_HTTP_REQUEST);
  53                 Locale locale = Locale.getDefault();
  54                 if (request != null)
  55                         locale = request.getLocale();
  56                 CmsAuthUtils.addAuthorization(subject, authorization);
  57                 CmsAuthUtils.registerSessionAuthorization(request, subject, authorization, locale);
  58                 if (log.isTraceEnabled())
  59                         log.trace("Anonymous logged in to CMS: " + subject);
  60                 return true;
  61         }
  62
  63         @Override
  64         public boolean abort() throws LoginException {
  65                 return true;
  66         }
  67
  68         @Override
  69         public boolean logout() throws LoginException {
  70                 if (log.isTraceEnabled())
  71                         log.trace("Logging out anonymous from CMS... " + subject);
  72                 CmsAuthUtils.cleanUp(subject);
  73                 return true;
  74         }
  75 }