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.argeo.cms.CmsException;
  15 import org.osgi.framework.BundleContext;
  16 import org.osgi.framework.FrameworkUtil;
  17 import org.osgi.service.useradmin.Authorization;
  18 import org.osgi.service.useradmin.UserAdmin;
  19
  20 /** Anonymous CMS user */
  21 public class AnonymousLoginModule implements LoginModule {
  22         private final static Log log = LogFactory.getLog(AnonymousLoginModule.class);
  23
  24         private Subject subject;
  25         private Map<String, Object> sharedState = null;
  26
  27         // private state
  28         private BundleContext bc;
  29
  30         @SuppressWarnings("unchecked")
  31         @Override
  32         public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState,
  33                         Map<String, ?> options) {
  34                 this.subject = subject;
  35                 this.sharedState = (Map<String, Object>) sharedState;
  36                 try {
  37                         bc = FrameworkUtil.getBundle(AnonymousLoginModule.class).getBundleContext();
  38                         assert bc != null;
  39                 } catch (Exception e) {
  40                         throw new CmsException("Cannot initialize login module", e);
  41                 }
  42         }
  43
  44         @Override
  45         public boolean login() throws LoginException {
  46                 return true;
  47         }
  48
  49         @Override
  50         public boolean commit() throws LoginException {
  51                 UserAdmin userAdmin = bc.getService(bc.getServiceReference(UserAdmin.class));
  52                 Authorization authorization = userAdmin.getAuthorization(null);
  53                 HttpServletRequest request = (HttpServletRequest) sharedState.get(CmsAuthUtils.SHARED_STATE_HTTP_REQUEST);
  54                 Locale locale = Locale.getDefault();
  55                 if (request != null)
  56                         locale = request.getLocale();
  57                 CmsAuthUtils.addAuthorization(subject, authorization, locale, request);
  58                 CmsAuthUtils.registerSessionAuthorization(request, subject, authorization, locale);
  59                 if (log.isTraceEnabled())
  60                         log.trace("Anonymous logged in to CMS: " + subject);
  61                 return true;
  62         }
  63
  64         @Override
  65         public boolean abort() throws LoginException {
  66                 // authorization = null;
  67                 return true;
  68         }
  69
  70         @Override
  71         public boolean logout() throws LoginException {
  72                 if (log.isTraceEnabled())
  73                         log.trace("Logging out anonymous from CMS... " + subject);
  74                 CmsAuthUtils.cleanUp(subject);
  75                 return true;
  76         }
  77 }